bookloupe-testing: bookloupe/bookloupe.c@6b786cc05b3c

     1 /*************************************************************************/

     2 /* bookloupe--check for assorted weirdnesses in a PG candidate text file */

     3 /*                                                                       */

     4 /* Copyright 2000-2005 Jim Tinsley <jtinsley@pobox.com>                  */

     5 /* Copyright 2012- J. Ali Harlow <ali@juiblex.co.uk>                     */

     6 /*                                                                       */

     7 /* This program is free software; you can redistribute it and/or modify  */

     8 /* it under the terms of the GNU General Public License as published by  */

     9 /* the Free Software Foundation; either version 2 of the License, or     */

    10 /* (at your option) any later version.                                   */

    11 /*                                                                       */

    12 /* This program is distributed in the hope that it will be useful,       */

    13 /* but WITHOUT ANY WARRANTY; without even the implied warranty of        */

    14 /* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the          */

    15 /* GNU General Public License for more details.                          */

    16 /*                                                                       */

    17 /* You should have received a copy of the GNU General Public License     */

    18 /* along with this program. If not, see <http://www.gnu.org/licenses/>.  */

    19 /*************************************************************************/

    21 #include <stdio.h>

    22 #include <stdlib.h>

    23 #include <string.h>

    24 #include <ctype.h>

    26 #define MAXWORDLEN    80    /* max length of one word             */

    27 #define LINEBUFSIZE 2048    /* buffer size for an input line      */

    29 #define MAX_USER_TYPOS 1000

    30 #define USERTYPO_FILE "gutcheck.typ"

    32 #ifndef MAX_PATH

    33 #define MAX_PATH 16384

    34 #endif

    36 char aline[LINEBUFSIZE];

    37 char prevline[LINEBUFSIZE];

    39 /* Common typos. */

    40 char *typo[] = {

    41     "teh", "th", "og", "fi", "ro", "adn", "yuo", "ot", "fo", "thet", "ane",

    42     "nad", "te", "ig", "acn",  "ahve", "alot", "anbd", "andt", "awya", "aywa",

    43     "bakc", "om", "btu", "byt", "cna", "cxan", "coudl", "dont", "didnt",

    44     "couldnt", "wouldnt", "doesnt", "shouldnt", "doign", "ehr", "hmi", "hse",

    45     "esle", "eyt", "fitrs", "firts", "foudn", "frmo", "fromt", "fwe", "gaurd",

    46     "gerat", "goign", "gruop", "haev", "hda", "hearign", "seeign", "sayign",

    47     "herat", "hge", "hsa", "hsi", "hte", "htere", "htese", "htey", "htis",

    48     "hvae", "hwich", "idae", "ihs", "iits", "int", "iwll", "iwth", "jsut",

    49     "loev", "sefl", "myu", "nkow", "nver", "nwe", "nwo", "ocur", "ohter",

    50     "omre", "onyl", "otehr", "otu", "owrk", "owuld", "peice", "peices",

    51     "peolpe", "peopel", "perhasp", "perhpas", "pleasent", "poeple", "porblem",

    52     "porblems", "rwite", "saidt", "saidh", "saids", "seh", "smae", "smoe",

    53     "sohw", "stnad", "stopry", "stoyr", "stpo", "tahn", "taht", "tath",

    54     "tehy", "tghe", "tghis", "theri", "theyll", "thgat", "thge", "thier",

    55     "thna", "thne", "thnig", "thnigs", "thsi", "thsoe", "thta", "timne",

    56     "tirne", "tkae", "tthe", "tyhat", "tyhe", "veyr", "vou", "vour", "vrey",

    57     "waht", "wasnt", "awtn", "watn", "wehn", "whic", "whcih", "whihc", "whta",

    58     "wihch", "wief", "wiht", "witha", "wiull", "wnat", "wnated", "wnats",

    59     "woh", "wohle", "wokr", "woudl", "wriet", "wrod", "wroet", "wroking",

    60     "wtih", "wuould", "wya", "yera", "yeras", "yersa", "yoiu", "youve",

    61     "ytou", "yuor", "abead", "ahle", "ahout", "ahove", "altbough", "balf",

    62     "bardly", "bas", "bave", "baving", "bebind", "beld", "belp", "belped",

    63     "ber", "bere", "bim", "bis", "bome", "bouse", "bowever", "buge",

    64     "dehates", "deht", "han", "hecause", "hecome", "heen", "hefore", "hegan",

    65     "hegin", "heing", "helieve", "henefit", "hetter", "hetween", "heyond",

    66     "hig", "higber", "huild", "huy", "hy", "jobn", "joh", "meanwbile",

    67     "memher", "memhers", "numher", "numhers", "perbaps", "prohlem", "puhlic",

    68     "witbout", "arn", "hin", "hirn", "wrok", "wroked", "amd", "aud",

    69     "prornise", "prornised", "modem", "bo", "heside", "chapteb", "chaptee",

    70     "se", ""

    71 };

    73 char *usertypo[MAX_USER_TYPOS];

    75 /* Common abbreviations and other OK words not to query as typos. */

    76 char *okword[] = {

    77     "mr", "mrs", "mss", "mssrs", "ft", "pm", "st", "dr", "hmm", "h'm", "hmmm",

    78     "rd", "sh", "br", "pp", "hm", "cf", "jr", "sr", "vs", "lb", "lbs", "ltd",

    79     "pompeii","hawaii","hawaiian", "hotbed", "heartbeat", "heartbeats",

    80     "outbid", "outbids", "frostbite", "frostbitten", ""

    81 };

    83 /* Common abbreviations that cause otherwise unexplained periods. */

    84 char *abbrev[] = {

    85     "cent", "cents", "viz", "vol", "vols", "vid", "ed", "al", "etc", "op",

    86     "cit", "deg", "min", "chap", "oz", "mme", "mlle", "mssrs", ""

    87 };

    89 /*

    90  * Two-Letter combinations that rarely if ever start words,

    91  * but are common scannos or otherwise common letter combinations.

    92  */

    93 char *nostart[] = {

    94     "hr", "hl", "cb", "sb", "tb", "wb", "tl", "tn", "rn", "lt", "tj", ""

    95 };

    97 /*

    98  * Two-Letter combinations that rarely if ever end words,

    99  * but are common scannos or otherwise common letter combinations.

   100  */

   101 char *noend[] = {

   102     "cb", "gb", "pb", "sb", "tb", "wh", "fr", "br", "qu", "tw", "gl", "fl",

   103     "sw", "gr", "sl", "cl", "iy", ""

   104 };

   106 char *markup[] = {

   107     "a", "b", "big", "blockquote", "body", "br", "center", "col", "div", "em",

   108     "font", "h1", "h2", "h3", "h4", "h5", "h6", "head", "hr", "html", "i",

   109     "img", "li", "meta", "ol", "p", "pre", "small", "span", "strong", "sub",

   110     "sup", "table", "td", "tfoot", "thead", "title", "tr", "tt", "u", "ul", ""

   111 };

   113 char *DPmarkup[] = {

   114     "<sc>", "</sc>", "/*", "*/", "/#", "#/", "/$", "$/", "<tb>", ""

   115 };

   117 char *nocomma[] = {

   118     "the", "it's", "their", "an", "mrs", "a", "our", "that's", "its", "whose",

   119     "every", "i'll", "your", "my", "mr", "mrs", "mss", "mssrs", "ft", "pm",

   120     "st", "dr", "rd", "pp", "cf", "jr", "sr", "vs", "lb", "lbs", "ltd", "i'm",

   121     "during", "let", "toward", "among", ""

   122 };

   124 char *noperiod[] = {

   125     "every", "i'm", "during", "that's", "their", "your", "our", "my", "or",

   126     "and", "but", "as", "if", "the", "its", "it's", "until", "than", "whether",

   127     "i'll", "whose", "who", "because", "when", "let", "till", "very", "an",

   128     "among", "those", "into", "whom", "having", "thence", ""

   129 };

   131 char vowels[] = "aeiouàáâãäæèéêëìíîïòóôõöùúûü";

   133 struct {

   134     char *htmlent;

   135     char *htmlnum;

   136     char *textent;

   137 } entities[] = {

   138     "&amp;",	"&#38;",     "&",

   139     "&lt;",	"&#60;",     "<",

   140     "&gt;",	"&#62;",     ">",

   141     "&deg;",	"&#176;",    " degrees",

   142     "&pound;",	"&#163;",    "L",

   143     "&quot;",	"&#34;",     "\"", /* quotation mark = APL quote */

   144     "&OElig;",	"&#338;",    "OE", /* latin capital ligature OE */

   145     "&oelig;",	"&#339;",    "oe", /* latin small ligature oe */

   146     "&Scaron;",	"&#352;",    "S", /* latin capital letter S with caron */

   147     "&scaron;",	"&#353;",    "s", /* latin small letter s with caron */

   148     "&Yuml;",	"&#376;",    "Y", /* latin capital letter Y with diaeresis */

   149     "&circ;",	"&#710;",    "",  /* modifier letter circumflex accent */

   150     "&tilde;",	"&#732;",    "~", /* small tilde, U+02DC ISOdia */

   151     "&ensp;",	"&#8194;",   " ", /* en space, U+2002 ISOpub */

   152     "&emsp;",	"&#8195;",   " ", /* em space, U+2003 ISOpub */

   153     "&thinsp;",	"&#8201;",   " ", /* thin space, U+2009 ISOpub */

   154     "&ndash;",	"&#8211;",   "-", /* en dash, U+2013 ISOpub */

   155     "&mdash;",	"&#8212;",   "--", /* em dash, U+2014 ISOpub */

   156     "&rsquo;",	"&#8217;",   "'", /* right single quotation mark */

   157     "&sbquo;",	"&#8218;",   "'", /* single low-9 quotation mark */

   158     "&ldquo;",	"&#8220;",   "\"", /* left double quotation mark */

   159     "&rdquo;",	"&#8221;",   "\"", /* right double quotation mark */

   160     "&bdquo;",	"&#8222;",   "\"", /* double low-9 quotation mark */

   161     "&lsaquo;",	"&#8249;",   "\"", /* single left-pointing angle quotation mark */

   162     "&rsaquo;",	"&#8250;",   "\"", /* single right-pointing angle quotation mark */

   163     "&nbsp;",	"&#160;",    " ", /* no-break space = non-breaking space, */

   164     "&iexcl;",	"&#161;",    "!", /* inverted exclamation mark */

   165     "&cent;",	"&#162;",    "c", /* cent sign */

   166     "&pound;",	"&#163;",    "L", /* pound sign */

   167     "&curren;",	"&#164;",    "$", /* currency sign */

   168     "&yen;",	"&#165;",    "Y", /* yen sign = yuan sign */

   169     "&sect;",	"&#167;",    "--", /* section sign */

   170     "&uml;",	"&#168;",    " ", /* diaeresis = spacing diaeresis */

   171     "&copy;",	"&#169;",    "(C) ", /* copyright sign */

   172     "&ordf;",	"&#170;",    " ", /* feminine ordinal indicator */

   173     "&laquo;",	"&#171;",    "\"", /* left-pointing double angle quotation mark */

   174     "&shy;",	"&#173;",    "-", /* soft hyphen = discretionary hyphen */

   175     "&reg;",	"&#174;",    "(R) ", /* registered sign = registered trade mark sign */

   176     "&macr;",	"&#175;",    " ", /* macron = spacing macron = overline */

   177     "&deg;",	"&#176;",    " degrees", /* degree sign */

   178     "&plusmn;",	"&#177;",    "+-", /* plus-minus sign = plus-or-minus sign */

   179     "&sup2;",	"&#178;",    "2", /* superscript two = superscript digit two */

   180     "&sup3;",	"&#179;",    "3", /* superscript three = superscript digit three */

   181     "&acute;",	"&#180;",    " ", /* acute accent = spacing acute */

   182     "&micro;",	"&#181;",    "m", /* micro sign */

   183     "&para;",	"&#182;",    "--", /* pilcrow sign = paragraph sign */

   184     "&cedil;",	"&#184;",    " ", /* cedilla = spacing cedilla */

   185     "&sup1;",	"&#185;",    "1", /* superscript one = superscript digit one */

   186     "&ordm;",	"&#186;",    " ", /* masculine ordinal indicator */

   187     "&raquo;",	"&#187;",    "\"", /* right-pointing double angle quotation mark */

   188     "&frac14;",	"&#188;",    "1/4", /* vulgar fraction one quarter */

   189     "&frac12;",	"&#189;",    "1/2", /* vulgar fraction one half */

   190     "&frac34;",	"&#190;",    "3/4", /* vulgar fraction three quarters */

   191     "&iquest;",	"&#191;",    "?", /* inverted question mark */

   192     "&Agrave;",	"&#192;",    "A", /* latin capital letter A with grave */

   193     "&Aacute;",	"&#193;",    "A", /* latin capital letter A with acute */

   194     "&Acirc;",	"&#194;",    "A", /* latin capital letter A with circumflex */

   195     "&Atilde;",	"&#195;",    "A", /* latin capital letter A with tilde */

   196     "&Auml;",	"&#196;",    "A", /* latin capital letter A with diaeresis */

   197     "&Aring;",	"&#197;",    "A", /* latin capital letter A with ring above */

   198     "&AElig;",	"&#198;",    "AE", /* latin capital letter AE */

   199     "&Ccedil;",	"&#199;",    "C", /* latin capital letter C with cedilla */

   200     "&Egrave;",	"&#200;",    "E", /* latin capital letter E with grave */

   201     "&Eacute;",	"&#201;",    "E", /* latin capital letter E with acute */

   202     "&Ecirc;",	"&#202;",    "E", /* latin capital letter E with circumflex */

   203     "&Euml;",	"&#203;",    "E", /* latin capital letter E with diaeresis */

   204     "&Igrave;",	"&#204;",    "I", /* latin capital letter I with grave */

   205     "&Iacute;",	"&#205;",    "I", /* latin capital letter I with acute */

   206     "&Icirc;",	"&#206;",    "I", /* latin capital letter I with circumflex */

   207     "&Iuml;",	"&#207;",    "I", /* latin capital letter I with diaeresis */

   208     "&ETH;",	"&#208;",    "E", /* latin capital letter ETH */

   209     "&Ntilde;",	"&#209;",    "N", /* latin capital letter N with tilde */

   210     "&Ograve;",	"&#210;",    "O", /* latin capital letter O with grave */

   211     "&Oacute;",	"&#211;",    "O", /* latin capital letter O with acute */

   212     "&Ocirc;",	"&#212;",    "O", /* latin capital letter O with circumflex */

   213     "&Otilde;",	"&#213;",    "O", /* latin capital letter O with tilde */

   214     "&Ouml;",	"&#214;",    "O", /* latin capital letter O with diaeresis */

   215     "&times;",	"&#215;",    "*", /* multiplication sign */

   216     "&Oslash;",	"&#216;",    "O", /* latin capital letter O with stroke */

   217     "&Ugrave;",	"&#217;",    "U", /* latin capital letter U with grave */

   218     "&Uacute;",	"&#218;",    "U", /* latin capital letter U with acute */

   219     "&Ucirc;",	"&#219;",    "U", /* latin capital letter U with circumflex */

   220     "&Uuml;",	"&#220;",    "U", /* latin capital letter U with diaeresis */

   221     "&Yacute;",	"&#221;",    "Y", /* latin capital letter Y with acute */

   222     "&THORN;",	"&#222;",    "TH", /* latin capital letter THORN */

   223     "&szlig;",	"&#223;",    "sz", /* latin small letter sharp s = ess-zed */

   224     "&agrave;",	"&#224;",    "a", /* latin small letter a with grave */

   225     "&aacute;",	"&#225;",    "a", /* latin small letter a with acute */

   226     "&acirc;",	"&#226;",    "a", /* latin small letter a with circumflex */

   227     "&atilde;",	"&#227;",    "a", /* latin small letter a with tilde */

   228     "&auml;",	"&#228;",    "a", /* latin small letter a with diaeresis */

   229     "&aring;",	"&#229;",    "a", /* latin small letter a with ring above */

   230     "&aelig;",	"&#230;",    "ae", /* latin small letter ae */

   231     "&ccedil;",	"&#231;",    "c", /* latin small letter c with cedilla */

   232     "&egrave;",	"&#232;",    "e", /* latin small letter e with grave */

   233     "&eacute;",	"&#233;",    "e", /* latin small letter e with acute */

   234     "&ecirc;",	"&#234;",    "e", /* latin small letter e with circumflex */

   235     "&euml;",	"&#235;",    "e", /* latin small letter e with diaeresis */

   236     "&igrave;",	"&#236;",    "i", /* latin small letter i with grave */

   237     "&iacute;",	"&#237;",    "i", /* latin small letter i with acute */

   238     "&icirc;",	"&#238;",    "i", /* latin small letter i with circumflex */

   239     "&iuml;",	"&#239;",    "i", /* latin small letter i with diaeresis */

   240     "&eth;",	"&#240;",    "eth", /* latin small letter eth */

   241     "&ntilde;",	"&#241;",    "n", /* latin small letter n with tilde */

   242     "&ograve;",	"&#242;",    "o", /* latin small letter o with grave */

   243     "&oacute;",	"&#243;",    "o", /* latin small letter o with acute */

   244     "&ocirc;",	"&#244;",    "o", /* latin small letter o with circumflex */

   245     "&otilde;",	"&#245;",    "o", /* latin small letter o with tilde */

   246     "&ouml;",	"&#246;",    "o", /* latin small letter o with diaeresis */

   247     "&divide;",	"&#247;",    "/", /* division sign */

   248     "&oslash;",	"&#248;",    "o", /* latin small letter o with stroke */

   249     "&ugrave;",	"&#249;",    "u", /* latin small letter u with grave */

   250     "&uacute;",	"&#250;",    "u", /* latin small letter u with acute */

   251     "&ucirc;",	"&#251;",    "u", /* latin small letter u with circumflex */

   252     "&uuml;",	"&#252;",    "u", /* latin small letter u with diaeresis */

   253     "&yacute;",	"&#253;",    "y", /* latin small letter y with acute */

   254     "&thorn;",	"&#254;",    "th", /* latin small letter thorn */

   255     "&yuml;",	"&#255;",    "y", /* latin small letter y with diaeresis */

   256     "", ""

   257 };

   259 /* special characters */

   260 #define CHAR_SPACE        32

   261 #define CHAR_TAB           9

   262 #define CHAR_LF           10

   263 #define CHAR_CR           13

   264 #define CHAR_DQUOTE       34

   265 #define CHAR_SQUOTE       39

   266 #define CHAR_OPEN_SQUOTE  96

   267 #define CHAR_TILDE       126

   268 #define CHAR_ASTERISK     42

   269 #define CHAR_FORESLASH    47

   270 #define CHAR_CARAT        94

   272 #define CHAR_UNDERSCORE    '_'

   273 #define CHAR_OPEN_CBRACK   '{'

   274 #define CHAR_CLOSE_CBRACK  '}'

   275 #define CHAR_OPEN_RBRACK   '('

   276 #define CHAR_CLOSE_RBRACK  ')'

   277 #define CHAR_OPEN_SBRACK   '['

   278 #define CHAR_CLOSE_SBRACK  ']'

   280 /* longest and shortest normal PG line lengths */

   281 #define LONGEST_PG_LINE   75

   282 #define WAY_TOO_LONG      80

   283 #define SHORTEST_PG_LINE  55

   285 #define SWITCHES "ESTPXLOYHWVMUD" /* switches:-                            */

   286                                   /*     D - ignore DP-specific markup     */

   287                                   /*     E - echo queried line             */

   288                                   /*     S - check single quotes           */

   289                                   /*     T - check common typos            */

   290                                   /*     P - require closure of quotes on  */

   291                                   /*         every paragraph               */

   292                                   /*     X - "Trust no one" :-) Paranoid!  */

   293                                   /*         Queries everything            */

   294                                   /*     L - line end checking defaults on */

   295                                   /*         -L turns it off               */

   296                                   /*     O - overview. Just shows counts.  */

   297                                   /*     Y - puts errors to stdout         */

   298                                   /*         instead of stderr             */

   299                                   /*     H - Echoes header fields          */

   300                                   /*     M - Ignore markup in < >          */

   301                                   /*     U - Use file of User-defined Typos*/

   302                                   /*     W - Defaults for use on Web upload*/

   303                                   /*     V - Verbose - list EVERYTHING!    */

   304 #define SWITNO 14                 /* max number of switch parms            */

   305                                   /*        - used for defining array-size */

   306 #define MINARGS   1               /* minimum no of args excl switches      */

   307 #define MAXARGS   1               /* maximum no of args excl switches      */

   309 int pswit[SWITNO];                /* program switches set by SWITCHES      */

   311 #define ECHO_SWITCH      0

   312 #define SQUOTE_SWITCH    1

   313 #define TYPO_SWITCH      2

   314 #define QPARA_SWITCH     3

   315 #define PARANOID_SWITCH  4

   316 #define LINE_END_SWITCH  5

   317 #define OVERVIEW_SWITCH  6

   318 #define STDOUT_SWITCH    7

   319 #define HEADER_SWITCH    8

   320 #define WEB_SWITCH       9

   321 #define VERBOSE_SWITCH   10

   322 #define MARKUP_SWITCH    11

   323 #define USERTYPO_SWITCH  12

   324 #define DP_SWITCH        13

   326 long cnt_dquot;       /* for overview mode, count of doublequote queries */

   327 long cnt_squot;       /* for overview mode, count of singlequote queries */

   328 long cnt_brack;       /* for overview mode, count of brackets queries */

   329 long cnt_bin;         /* for overview mode, count of non-ASCII queries */

   330 long cnt_odd;         /* for overview mode, count of odd character queries */

   331 long cnt_long;        /* for overview mode, count of long line errors */

   332 long cnt_short;       /* for overview mode, count of short line queries */

   333 long cnt_punct;       /* for overview mode, count of punctuation and spacing queries */

   334 long cnt_dash;        /* for overview mode, count of dash-related queries */

   335 long cnt_word;        /* for overview mode, count of word queries */

   336 long cnt_html;        /* for overview mode, count of html queries */

   337 long cnt_lineend;     /* for overview mode, count of line-end queries */

   338 long cnt_spacend;     /* count of lines with space at end */

   339 long linecnt;         /* count of total lines in the file */

   340 long checked_linecnt; /* count of lines actually checked */

   342 void proghelp(void);

   343 void procfile(char *);

   345 #define LOW_THRESHOLD    0

   346 #define HIGH_THRESHOLD   1

   348 #define START 0

   349 #define END 1

   350 #define PREV 0

   351 #define NEXT 1

   352 #define FIRST_OF_PAIR 0

   353 #define SECOND_OF_PAIR 1

   355 #define MAX_WORDPAIR 1000

   357 char running_from[MAX_PATH];

   359 int mixdigit(char *);

   360 const char *getaword(const char *,char *);

   361 int matchword(char *,char *);

   362 char *flgets(char *,int,FILE *,long);

   363 void lowerit(char *);

   364 int gcisalpha(unsigned char);

   365 int gcisdigit(unsigned char);

   366 int gcisletter(unsigned char);

   367 char *gcstrchr(char *s,char c);

   368 void postprocess_for_HTML(char *);

   369 char *linehasmarkup(char *);

   370 char *losemarkup(char *);

   371 int tagcomp(char *,char *);

   372 char *loseentities(char *);

   373 int isroman(char *);

   374 int usertypo_count;

   375 void postprocess_for_DP(char *);

   377 char wrk[LINEBUFSIZE];

   379 #define MAX_QWORD 50

   380 #define MAX_QWORD_LENGTH 40

   381 char qword[MAX_QWORD][MAX_QWORD_LENGTH];

   382 signed int dupcnt[MAX_QWORD];

   384 int main(int argc,char **argv)

   385 {

   386     char *argsw,*s;

   387     int i,switno,invarg;

   388     char usertypo_file[MAX_PATH];

   389     FILE *usertypofile;

   390     if (strlen(argv[0])<sizeof(running_from))

   391 	/* save the path to the executable */

   392         strcpy(running_from,argv[0]);

   393     /* find out what directory we're running from */

   394     s=running_from+strlen(running_from);

   395     for (;*s!='/' && *s!='\\' && s>=running_from;s--)

   396         *s=0;

   397     switno=strlen(SWITCHES);

   398     for (i=switno;--i>0;)

   399         pswit[i]=0;           /* initialise switches */

   400     /*

   401      * Standard loop to extract switches.

   402      * When we come out of this loop, the arguments will be

   403      * in argv[0] upwards and the switches used will be

   404      * represented by their equivalent elements in pswit[]

   405      */

   406     while (--argc>0 && **++argv=='-')

   407         for (argsw=argv[0]+1;*argsw!='\0';argsw++)

   408             for (i=switno,invarg=1;(--i>=0) && invarg==1;)

   409                 if ((toupper(*argsw))==SWITCHES[i])

   410 		{

   411                     invarg=0;

   412                     pswit[i]=1;

   413 		}

   414     /* Paranoid checking is turned OFF, not on, by its switch */

   415     pswit[PARANOID_SWITCH]^=1;

   416     if (pswit[PARANOID_SWITCH])

   417 	/* if running in paranoid mode force typo checks as well   */

   418         pswit[TYPO_SWITCH]=pswit[TYPO_SWITCH]^1;

   419     /* Line-end checking is turned OFF, not on, by its switch */

   420     pswit[LINE_END_SWITCH]^=1;

   421     /* Echoing is turned OFF, not on, by its switch */

   422     pswit[ECHO_SWITCH]^=1;

   423     if (pswit[OVERVIEW_SWITCH])

   424 	/* just print summary; don't echo */

   425         pswit[ECHO_SWITCH]=0;

   426     /*

   427      * Web uploads - for the moment, this is really just a placeholder

   428      * until we decide what processing we really want to do on web uploads

   429      */

   430     if (pswit[WEB_SWITCH])

   431     {

   432 	/* specific override for web uploads */

   433         pswit[ECHO_SWITCH]=1;

   434         pswit[SQUOTE_SWITCH]=0;

   435         pswit[TYPO_SWITCH]=1;

   436         pswit[QPARA_SWITCH]=0;

   437         pswit[PARANOID_SWITCH]=1;

   438         pswit[LINE_END_SWITCH]=0;

   439         pswit[OVERVIEW_SWITCH]=0;

   440         pswit[STDOUT_SWITCH]=0;

   441         pswit[HEADER_SWITCH]=1;

   442         pswit[VERBOSE_SWITCH]=0;

   443         pswit[MARKUP_SWITCH]=0;

   444         pswit[USERTYPO_SWITCH]=0;

   445         pswit[DP_SWITCH]=0;

   446     }

   447     if (argc<MINARGS || argc>MAXARGS)

   448     {

   449 	/* check number of args */

   450         proghelp();

   451         return 1;

   452     }

   453     /* read in the user-defined stealth scanno list */

   454     if (pswit[USERTYPO_SWITCH])

   455     {

   456 	/* ... we were told we had one! */

   457         usertypofile=fopen(USERTYPO_FILE,"rb");

   458         if (!usertypofile)

   459 	{

   460 	    /* not in cwd. try excuteable directory. */

   461             strcpy(usertypo_file,running_from);

   462             strcat(usertypo_file,USERTYPO_FILE);

   463             usertypofile=fopen(usertypo_file,"rb");

   464             if (!usertypofile) {

   465 		/* we ain't got no user typo file! */

   466                 printf("   --> I couldn't find gutcheck.typ "

   467 		  "-- proceeding without user typos.\n");

   468 	    }

   469 	}

   470         usertypo_count=0;

   471         if (usertypofile)

   472 	{

   473 	    /* we managed to open a User Typo File! */

   474             if (pswit[USERTYPO_SWITCH])

   475 	    {

   476                 while (flgets(aline,LINEBUFSIZE-1,usertypofile,

   477 		  (long)usertypo_count))

   478 		{

   479                     if (strlen(aline)>1)

   480 		    {

   481                         if ((int)*aline>33)

   482 			{

   483                             s=malloc(strlen(aline)+1);

   484                             if (!s)

   485 			    {

   486                                 fprintf(stderr,"bookloupe: cannot get enough "

   487 				  "memory for user typo file!\n");

   488                                 exit(1);

   489 			    }

   490                             strcpy(s,aline);

   491                             usertypo[usertypo_count]=s;

   492                             usertypo_count++;

   493                             if (usertypo_count>=MAX_USER_TYPOS)

   494 			    {

   495                                 printf("   --> Only %d user-defined typos "

   496 				  "allowed: ignoring the rest\n",

   497 				  MAX_USER_TYPOS);

   498                                 break;

   499 			    }

   500 			}

   501 		    }

   502 		}

   503 	    }

   504             fclose(usertypofile);

   505 	}

   506     }

   507     fprintf(stderr,"bookloupe: Check and report on an e-text\n");

   508     cnt_dquot=cnt_squot=cnt_brack=cnt_bin=cnt_odd=cnt_long=

   509     cnt_short=cnt_punct=cnt_dash=cnt_word=cnt_html=cnt_lineend=

   510     cnt_spacend=0;

   511     procfile(argv[0]);

   512     if (pswit[OVERVIEW_SWITCH])

   513     {

   514 	printf("    Checked %ld lines of %ld (head+foot = %ld)\n\n",

   515 	  checked_linecnt,linecnt,linecnt-checked_linecnt);

   516         printf("    --------------- Queries found --------------\n");

   517         if (cnt_long)

   518 	    printf("    Long lines:                    %14ld\n",cnt_long);

   519         if (cnt_short)

   520 	    printf("    Short lines:                   %14ld\n",cnt_short);

   521         if (cnt_lineend)

   522 	    printf("    Line-end problems:             %14ld\n",cnt_lineend);

   523         if (cnt_word)

   524 	    printf("    Common typos:                  %14ld\n",cnt_word);

   525         if (cnt_dquot)

   526 	    printf("    Unmatched quotes:              %14ld\n",cnt_dquot);

   527         if (cnt_squot)

   528 	    printf("    Unmatched SingleQuotes:        %14ld\n",cnt_squot);

   529         if (cnt_brack)

   530 	    printf("    Unmatched brackets:            %14ld\n",cnt_brack);

   531         if (cnt_bin)

   532 	    printf("    Non-ASCII characters:          %14ld\n",cnt_bin);

   533         if (cnt_odd)

   534 	    printf("    Proofing characters:           %14ld\n",cnt_odd);

   535         if (cnt_punct)

   536 	    printf("    Punctuation & spacing queries: %14ld\n",cnt_punct);

   537         if (cnt_dash)

   538 	    printf("    Non-standard dashes:           %14ld\n",cnt_dash);

   539         if (cnt_html)

   540 	    printf("    Possible HTML tags:            %14ld\n",cnt_html);

   541         printf("\n");

   542         printf("    TOTAL QUERIES                  %14ld\n",

   543           cnt_dquot+cnt_squot+cnt_brack+cnt_bin+cnt_odd+cnt_long+

   544           cnt_short+cnt_punct+cnt_dash+cnt_word+cnt_html+cnt_lineend);

   545     }

   546     return 0;

   547 }

   549 struct first_pass_results {

   550     long firstline,astline;

   551     long footerline,totlen,binlen,alphalen,endquote_count,shortline,dotcomma;

   552     long fslashline,hyphens,longline,verylongline,htmcount,standalone_digit;

   553     long spacedash,emdash,space_emdash,non_PG_space_emdash,PG_space_emdash;

   554     signed int Dutchcount,Frenchcount;

   555 };

   557 /*

   558  * first_pass:

   559  *

   560  * Run a first pass - verify that it's a valid PG

   561  * file, decide whether to report some things that

   562  * occur many times in the text like long or short

   563  * lines, non-standard dashes, etc.

   564  */

   565 struct first_pass_results *first_pass(FILE *infile)

   566 {

   567     char laststart=CHAR_SPACE;

   568     const char *s;

   569     signed int i,llen;

   570     unsigned int lastlen=0,lastblen=0;

   571     long spline=0,nspline=0;

   572     static struct first_pass_results results={0};

   573     char inword[MAXWORDLEN]="";

   574     while (fgets(aline,LINEBUFSIZE-1,infile))

   575     {

   576         while (aline[strlen(aline)-1]==10 || aline[strlen(aline)-1]==13)

   577 	    aline[strlen(aline)-1]=0;

   578         linecnt++;

   579         if (strstr(aline,"*END") && strstr(aline,"SMALL PRINT") &&

   580 	  (strstr(aline,"PUBLIC DOMAIN") || strstr(aline,"COPYRIGHT")))

   581 	{

   582             if (spline)

   583                 printf("   --> Duplicate header?\n");

   584             spline=linecnt+1;   /* first line of non-header text, that is */

   585 	}

   586         if (!strncmp(aline,"*** START",9) && strstr(aline,"PROJECT GUTENBERG"))

   587 	{

   588             if (nspline)

   589                 printf("   --> Duplicate header?\n");

   590             nspline=linecnt+1;   /* first line of non-header text, that is */

   591 	}

   592         if (spline || nspline)

   593 	{

   594             lowerit(aline);

   595             if (strstr(aline,"end") && strstr(aline,"project gutenberg"))

   596 	    {

   597                 if (strstr(aline,"end")<strstr(aline,"project gutenberg"))

   598 		{

   599                     if (results.footerline)

   600 		    {

   601 			/* it's an old-form header - we can detect duplicates */

   602                         if (!nspline)

   603                             printf("   --> Duplicate footer?\n");

   604 		    }

   605                     else

   606                         results.footerline=linecnt;

   607 		}

   608 	    }

   609 	}

   610         if (spline)

   611 	    results.firstline=spline;

   612         if (nspline)

   613 	    results.firstline=nspline;  /* override with new */

   614         if (results.footerline)

   615 	    continue;    /* don't count the boilerplate in the footer */

   616         llen=strlen(aline);

   617         results.totlen+=llen;

   618         for (i=0;i<llen;i++)

   619 	{

   620             if ((unsigned char)aline[i]>127)

   621 		results.binlen++;

   622             if (gcisalpha(aline[i]))

   623 		results.alphalen++;

   624             if (i>0 && aline[i]==CHAR_DQUOTE && isalpha(aline[i-1]))

   625 		results.endquote_count++;

   626 	}

   627         if (strlen(aline)>2 && lastlen>2 && lastlen<SHORTEST_PG_LINE &&

   628 	  lastblen>2 && lastblen>SHORTEST_PG_LINE && laststart!=CHAR_SPACE)

   629 	    results.shortline++;

   630         if (*aline && (unsigned char)aline[strlen(aline)-1]<=CHAR_SPACE)

   631 	    cnt_spacend++;

   632         if (strstr(aline,".,"))

   633 	    results.dotcomma++;

   634         /* only count ast lines for ignoring purposes where there is */

   635         /* locase text on the line */

   636         if (strstr(aline,"*"))

   637 	{

   638             for (s=aline;*s;s++)

   639                 if (*s>='a' && *s<='z')

   640                     break;

   641              if (*s)

   642 		results.astline++;

   643 	}

   644         if (strstr(aline,"/"))

   645             results.fslashline++;

   646         for (i=llen-1;i>0 && (unsigned char)aline[i]<=CHAR_SPACE;i--)

   647 	    ;

   648         if (aline[i]=='-' && aline[i-1]!='-')

   649 	    results.hyphens++;

   650         if (llen>LONGEST_PG_LINE)

   651 	    results.longline++;

   652         if (llen>WAY_TOO_LONG)

   653 	    results.verylongline++;

   654         if (strstr(aline,"<") && strstr(aline,">"))

   655 	{

   656             i=(signed int)(strstr(aline,">")-strstr(aline,"<")+1);

   657             if (i>0)

   658                 results.htmcount++;

   659             if (strstr(aline,"<i>"))

   660 		results.htmcount+=4; /* bonus marks! */

   661 	}

   662         /* Check for spaced em-dashes */

   663         if (strstr(aline,"--"))

   664 	{

   665             results.emdash++;

   666             if (*(strstr(aline,"--")-1)==CHAR_SPACE ||

   667                (*(strstr(aline,"--")+2)==CHAR_SPACE))

   668 		results.space_emdash++;

   669             if (*(strstr(aline,"--")-1)==CHAR_SPACE &&

   670                (*(strstr(aline,"--")+2)==CHAR_SPACE))

   671 		/* count of em-dashes with spaces both sides */

   672 		results.non_PG_space_emdash++;

   673             if (*(strstr(aline,"--")-1)!=CHAR_SPACE &&

   674                (*(strstr(aline,"--")+2)!=CHAR_SPACE))

   675 		/* count of PG-type em-dashes with no spaces */

   676 		results.PG_space_emdash++;

   677 	}

   678         for (s=aline;*s;)

   679 	{

   680             s=getaword(s,inword);

   681             if (!strcmp(inword,"hij") || !strcmp(inword,"niet"))

   682                 results.Dutchcount++;

   683             if (!strcmp(inword,"dans") || !strcmp(inword,"avec"))

   684                 results.Frenchcount++;

   685             if (!strcmp(inword,"0") || !strcmp(inword,"1"))

   686                 results.standalone_digit++;

   687 	}

   688         /* Check for spaced dashes */

   689         if (strstr(aline," -") && *(strstr(aline," -")+2)!='-')

   690 	    results.spacedash++;

   691         lastblen=lastlen;

   692         lastlen=strlen(aline);

   693         laststart=aline[0];

   694     }

   695     return &results;

   696 }

   698 struct warnings {

   699     signed int shortline,longline,bin,dash,dotcomma,ast,fslash,digit,hyphen;

   700     signed int endquote,isDutch,isFrench;

   701 };

   703 /*

   704  * report_first_pass:

   705  *

   706  * Make some snap decisions based on the first pass results.

   707  */

   708 struct warnings *report_first_pass(struct first_pass_results *results)

   709 {

   710     static struct warnings warnings={0};

   711     if (cnt_spacend>0)

   712         printf("   --> %ld lines in this file have white space at end\n",

   713 	  cnt_spacend);

   714     warnings.dotcomma=1;

   715     if (results->dotcomma>5)

   716     {

   717         warnings.dotcomma=0;

   718         printf("   --> %ld lines in this file contain '.,'. "

   719 	  "Not reporting them.\n",results->dotcomma);

   720     }

   721     /*

   722      * If more than 50 lines, or one-tenth, are short,

   723      * don't bother reporting them.

   724      */

   725     warnings.shortline=1;

   726     if (results->shortline>50 || results->shortline*10>linecnt)

   727     {

   728         warnings.shortline=0;

   729         printf("   --> %ld lines in this file are short. "

   730 	  "Not reporting short lines.\n",results->shortline);

   731     }

   732     /*

   733      * If more than 50 lines, or one-tenth, are long,

   734      * don't bother reporting them.

   735      */

   736     warnings.longline=1;

   737     if (results->longline>50 || results->longline*10>linecnt)

   738     {

   739         warnings.longline=0;

   740         printf("   --> %ld lines in this file are long. "

   741 	  "Not reporting long lines.\n",results->longline);

   742     }

   743     /* If more than 10 lines contain asterisks, don't bother reporting them. */

   744     warnings.ast=1;

   745     if (results->astline>10)

   746     {

   747         warnings.ast=0;

   748         printf("   --> %ld lines in this file contain asterisks. "

   749 	  "Not reporting them.\n",results->astline);

   750     }

   751     /*

   752      * If more than 10 lines contain forward slashes,

   753      * don't bother reporting them.

   754      */

   755     warnings.fslash=1;

   756     if (results->fslashline>10)

   757     {

   758         warnings.fslash=0;

   759         printf("   --> %ld lines in this file contain forward slashes. "

   760 	  "Not reporting them.\n",results->fslashline);

   761     }

   762     /*

   763      * If more than 20 lines contain unpunctuated endquotes,

   764      * don't bother reporting them.

   765      */

   766     warnings.endquote=1;

   767     if (results->endquote_count>20)

   768     {

   769         warnings.endquote=0;

   770         printf("   --> %ld lines in this file contain unpunctuated endquotes. "

   771 	  "Not reporting them.\n",results->endquote_count);

   772     }

   773     /*

   774      * If more than 15 lines contain standalone digits,

   775      * don't bother reporting them.

   776      */

   777     warnings.digit=1;

   778     if (results->standalone_digit>10)

   779     {

   780         warnings.digit=0;

   781         printf("   --> %ld lines in this file contain standalone 0s and 1s. "

   782 	  "Not reporting them.\n",results->standalone_digit);

   783     }

   784     /*

   785      * If more than 20 lines contain hyphens at end,

   786      * don't bother reporting them.

   787      */

   788     warnings.hyphen=1;

   789     if (results->hyphens>20)

   790     {

   791         warnings.hyphen=0;

   792         printf("   --> %ld lines in this file have hyphens at end. "

   793 	  "Not reporting them.\n",results->hyphens);

   794     }

   795     if (results->htmcount>20 && !pswit[MARKUP_SWITCH])

   796     {

   797         printf("   --> Looks like this is HTML. Switching HTML mode ON.\n");

   798         pswit[MARKUP_SWITCH]=1;

   799     }

   800     if (results->verylongline>0)

   801         printf("   --> %ld lines in this file are VERY long!\n",

   802 	  results->verylongline);

   803     /*

   804      * If there are more non-PG spaced dashes than PG em-dashes,

   805      * assume it's deliberate.

   806      * Current PG guidelines say don't use them, but older texts do,

   807      * and some people insist on them whatever the guidelines say.

   808      */

   809     warnings.dash=1;

   810     if (results->spacedash+results->non_PG_space_emdash>

   811       results->PG_space_emdash)

   812     {

   813         warnings.dash=0;

   814         printf("   --> There are %ld spaced dashes and em-dashes. "

   815 	  "Not reporting them.\n",

   816 	  results->spacedash+results->non_PG_space_emdash);

   817     }

   818     /* If more than a quarter of characters are hi-bit, bug out. */

   819     warnings.bin=1;

   820     if (results->binlen*4>results->totlen)

   821     {

   822         printf("   --> This file does not appear to be ASCII. "

   823 	  "Terminating. Best of luck with it!\n");

   824         exit(1);

   825     }

   826     if (results->alphalen*4<results->totlen)

   827     {

   828         printf("   --> This file does not appear to be text. "

   829 	  "Terminating. Best of luck with it!\n");

   830         exit(1);

   831     }

   832     if (results->binlen*100>results->totlen || results->binlen>100)

   833     {

   834         printf("   --> There are a lot of foreign letters here. "

   835 	  "Not reporting them.\n");

   836         warnings.bin=0;

   837     }

   838     warnings.isDutch=0;

   839     if (results->Dutchcount>50)

   840     {

   841         warnings.isDutch=1;

   842         printf("   --> This looks like Dutch - "

   843 	  "switching off dashes and warnings for 's Middags case.\n");

   844     }

   845     warnings.isFrench=0;

   846     if (results->Frenchcount>50)

   847     {

   848         warnings.isFrench=1;

   849         printf("   --> This looks like French - "

   850 	  "switching off some doublepunct.\n");

   851     }

   852     if (results->firstline && results->footerline)

   853         printf("    The PG header and footer appear to be already on.\n");

   854     else

   855     {

   856         if (results->firstline)

   857             printf("    The PG header is on - no footer.\n");

   858         if (results->footerline)

   859             printf("    The PG footer is on - no header.\n");

   860     }

   861     printf("\n");

   862     if (pswit[VERBOSE_SWITCH])

   863     {

   864         warnings.bin=1;

   865         warnings.shortline=1;

   866         warnings.dotcomma=1;

   867         warnings.longline=1;

   868         warnings.dash=1;

   869         warnings.digit=1;

   870         warnings.ast=1;

   871         warnings.fslash=1;

   872         warnings.hyphen=1;

   873         warnings.endquote=1;

   874         printf("   *** Verbose output is ON -- you asked for it! ***\n");

   875     }

   876     if (warnings.isDutch)

   877         warnings.dash=0;

   878     if (results->footerline>0 && results->firstline>0 &&

   879       results->footerline>results->firstline &&

   880       results->footerline-results->firstline<100)

   881     {

   882         printf("   --> I don't really know where this text starts. \n");

   883         printf("       There are no reference points.\n");

   884         printf("       I'm going to have to report the header and footer "

   885 	  "as well.\n");

   886         results->firstline=0;

   887     }

   888     return &warnings;

   889 }

   891 struct counters {

   892     long quot;

   893     signed int c_unders,c_brack,s_brack,r_brack;

   894     signed int open_single_quote,close_single_quote;

   895 };

   897 /*

   898  * analyse_quotes:

   899  *

   900  * Look along the line, accumulate the count of quotes, and see

   901  * if this is an empty line - i.e. a line with nothing on it

   902  * but spaces.

   903  * If line has just spaces, period, * and/or - on it, don't

   904  * count it, since empty lines with asterisks or dashes to

   905  * separate sections are common.

   906  *

   907  * Returns: Non-zero if the line is empty.

   908  */

   909 int analyse_quotes(const char *s,struct counters *counters)

   910 {

   911     signed int guessquote=0;

   912     int isemptyline=1;    /* assume the line is empty until proven otherwise */

   913     while (*s)

   914     {

   915 	if (*s==CHAR_DQUOTE)

   916 	    counters->quot++;

   917 	if (*s==CHAR_SQUOTE || *s==CHAR_OPEN_SQUOTE)

   918 	{

   919 	    if (s==aline)

   920 	    {

   921 		/*

   922 		 * At start of line, it can only be an openquote.

   923 		 * Hardcode a very common exception!

   924 		 */

   925 		if (strncmp(s+2,"tis",3) && strncmp(s+2,"Tis",3))

   926 		    counters->open_single_quote++;

   927 	    }

   928 	    else if (gcisalpha(s[-1]) && gcisalpha(s[1]))

   929 		/* Do nothing! it's definitely an apostrophe, not a quote */

   930 		;

   931 	    /* it's outside a word - let's check it out */

   932 	    else if (*s==CHAR_OPEN_SQUOTE || gcisalpha(s[1]))

   933 	    {

   934 		/* it damwell better BE an openquote */

   935 		if (strncmp(s+1,"tis",3) && strncmp(s+1,"Tis",3))

   936 		    /* hardcode a very common exception! */

   937 		    counters->open_single_quote++;

   938 	    }

   939 	    else

   940 	    {

   941 		/* now - is it a closequote? */

   942 		guessquote=0;   /* accumulate clues */

   943 		if (gcisalpha(s[-1]))

   944 		{

   945 		    /* it follows a letter - could be either */

   946 		    guessquote++;

   947 		    if (s[-1]=='s')

   948 		    {

   949 			/* looks like a plural apostrophe */

   950 			guessquote-=3;

   951 			if (s[1]==CHAR_SPACE)  /* bonus marks! */

   952 			    guessquote-=2;

   953 		    }

   954 		}

   955 		/* it doesn't have a letter either side */

   956 		else if (strchr(".?!,;:",s[-1]) && strchr(".?!,;: ",s[1]))

   957 		    guessquote+=8; /* looks like a closequote */

   958 		else

   959 		    guessquote++;

   960 		if (counters->open_single_quote>counters->close_single_quote)

   961 		    /*

   962 		     * Give it the benefit of some doubt,

   963 		     * if a squote is already open.

   964 		     */

   965 		    guessquote++;

   966 		else

   967 		    guessquote--;

   968 		if (guessquote>=0)

   969 		    counters->close_single_quote++;

   970 	    }

   971 	}

   972 	if (*s!=CHAR_SPACE && *s!='-' && *s!='.' && *s!=CHAR_ASTERISK &&

   973 	  *s!=13 && *s!=10)

   974 	    isemptyline=0;  /* ignore lines like  *  *  *  as spacers */

   975 	if (*s==CHAR_UNDERSCORE)

   976 	    counters->c_unders++;

   977 	if (*s==CHAR_OPEN_CBRACK)

   978 	    counters->c_brack++;

   979 	if (*s==CHAR_CLOSE_CBRACK)

   980 	    counters->c_brack--;

   981 	if (*s==CHAR_OPEN_RBRACK)

   982 	    counters->r_brack++;

   983 	if (*s==CHAR_CLOSE_RBRACK)

   984 	    counters->r_brack--;

   985 	if (*s==CHAR_OPEN_SBRACK)

   986 	    counters->s_brack++;

   987 	if (*s==CHAR_CLOSE_SBRACK)

   988 	    counters->s_brack--;

   989 	s++;

   990     }

   991     return isemptyline;

   992 }

   994 /*

   995  * check_for_odd_characters:

   996  *

   997  * Check for binary and other odd characters.

   998  */

   999 void check_for_odd_characters(const char *aline,const struct warnings *warnings,

  1000   int isemptyline)

  1001 {

  1002     /* Don't repeat multiple warnings on one line. */

  1003     signed int eNon_A=0,eTab=0,eTilde=0,eCarat=0,eFSlash=0,eAst=0;

  1004     const char *s;

  1005     unsigned char c;

  1006     for (s=aline;*s;s++)

  1007     {

  1008 	c=*(unsigned char *)s;

  1009 	if (!eNon_A && (*s<CHAR_SPACE && *s!=9 && *s!='\n' || c>127))

  1010 	{

  1011 	    if (pswit[ECHO_SWITCH])

  1012 		printf("\n%s\n",aline);

  1013 	    if (!pswit[OVERVIEW_SWITCH])

  1014 		if (c>127 && c<160)

  1015 		    printf("    Line %ld column %d - "

  1016 		      "Non-ISO-8859 character %d\n",linecnt,(int)(s-aline)+1,c);

  1017 		else

  1018 		    printf("    Line %ld column %d - Non-ASCII character %d\n",

  1019 		      linecnt,(int)(s-aline)+1,c);

  1020 	    else

  1021 		cnt_bin++;

  1022 	    eNon_A=1;

  1023 	}

  1024 	if (!eTab && *s==CHAR_TAB)

  1025 	{

  1026 	    if (pswit[ECHO_SWITCH])

  1027 		printf("\n%s\n",aline);

  1028 	    if (!pswit[OVERVIEW_SWITCH])

  1029 		printf("    Line %ld column %d - Tab character?\n",

  1030 		  linecnt,(int)(s-aline)+1);

  1031 	    else

  1032 		cnt_odd++;

  1033 	    eTab=1;

  1034 	}

  1035 	if (!eTilde && *s==CHAR_TILDE)

  1036 	{

  1037 	    /*

  1038 	     * Often used by OCR software to indicate an

  1039 	     * unrecognizable character.

  1040 	     */

  1041 	    if (pswit[ECHO_SWITCH])

  1042 		printf("\n%s\n",aline);

  1043 	    if (!pswit[OVERVIEW_SWITCH])

  1044 		printf("    Line %ld column %d - Tilde character?\n",

  1045 		  linecnt,(int)(s-aline)+1);

  1046 	    else

  1047 		cnt_odd++;

  1048 	    eTilde=1;

  1049 	}

  1050 	if (!eCarat && *s==CHAR_CARAT)

  1051 	{

  1052 	    if (pswit[ECHO_SWITCH])

  1053 		printf("\n%s\n",aline);

  1054 	    if (!pswit[OVERVIEW_SWITCH])

  1055 		printf("    Line %ld column %d - Carat character?\n",

  1056 		  linecnt,(int)(s-aline)+1);

  1057 	    else

  1058 		cnt_odd++;

  1059 	    eCarat=1;

  1060 	}

  1061 	if (!eFSlash && *s==CHAR_FORESLASH && warnings->fslash)

  1062 	{

  1063 	    if (pswit[ECHO_SWITCH])

  1064 		printf("\n%s\n",aline);

  1065 	    if (!pswit[OVERVIEW_SWITCH])

  1066 		printf("    Line %ld column %d - Forward slash?\n",

  1067 		  linecnt,(int)(s-aline)+1);

  1068 	    else

  1069 		cnt_odd++;

  1070 	    eFSlash=1;

  1071 	}

  1072 	/*

  1073 	 * Report asterisks only in paranoid mode,

  1074 	 * since they're often deliberate.

  1075 	 */

  1076 	if (!eAst && pswit[PARANOID_SWITCH] && warnings->ast && !isemptyline &&

  1077 	  *s==CHAR_ASTERISK)

  1078 	{

  1079 	    if (pswit[ECHO_SWITCH])

  1080 		printf("\n%s\n",aline);

  1081 	    if (!pswit[OVERVIEW_SWITCH])

  1082 		printf("    Line %ld column %d - Asterisk?\n",

  1083 		  linecnt,(int)(s-aline)+1);

  1084 	    else

  1085 		cnt_odd++;

  1086 	    eAst=1;

  1087 	}

  1088     }

  1089 }

  1091 /*

  1092  * check_for_long_line:

  1093  *

  1094  * Check for line too long.

  1095  */

  1096 void check_for_long_line(const char *aline)

  1097 {

  1098     if (strlen(aline)>LONGEST_PG_LINE)

  1099     {

  1100 	if (pswit[ECHO_SWITCH])

  1101 	    printf("\n%s\n",aline);

  1102 	if (!pswit[OVERVIEW_SWITCH])

  1103 	    printf("    Line %ld column %d - Long line %d\n",

  1104 	      linecnt,strlen(aline),strlen(aline));

  1105 	else

  1106 	    cnt_long++;

  1107     }

  1108 }

  1110 struct line_properties {

  1111     unsigned int len,blen;

  1112     char start;

  1113 };

  1115 /*

  1116  * check_for_short_line:

  1117  *

  1118  * Check for line too short.

  1119  *

  1120  * This one is a bit trickier to implement: we don't want to

  1121  * flag the last line of a paragraph for being short, so we

  1122  * have to wait until we know that our current line is a

  1123  * "normal" line, then report the _previous_ line if it was too

  1124  * short. We also don't want to report indented lines like

  1125  * chapter heads or formatted quotations. We therefore keep

  1126  * last->len as the length of the last line examined, and

  1127  * last->blen as the length of the last but one, and try to

  1128  * suppress unnecessary warnings by checking that both were of

  1129  * "normal" length. We keep the first character of the last

  1130  * line in last->start, and if it was a space, we assume that

  1131  * the formatting is deliberate. I can't figure out a way to

  1132  * distinguish something like a quoted verse left-aligned or

  1133  * the header or footer of a letter from a paragraph of short

  1134  * lines - maybe if I examined the whole paragraph, and if the

  1135  * para has less than, say, 8 lines and if all lines are short,

  1136  * then just assume it's OK? Need to look at some texts to see

  1137  * how often a formula like this would get the right result.

  1138  */

  1139 void check_for_short_line(const char *aline,const struct line_properties *last)

  1140 {

  1141     if (strlen(aline)>1 && last->len>1 && last->len<SHORTEST_PG_LINE &&

  1142       last->blen>1 && last->blen>SHORTEST_PG_LINE && last->start!=CHAR_SPACE)

  1143     {

  1144 	if (pswit[ECHO_SWITCH])

  1145 	    printf("\n%s\n",prevline);

  1146 	if (!pswit[OVERVIEW_SWITCH])

  1147 	    printf("    Line %ld column %d - Short line %d?\n",

  1148 	      linecnt-1,strlen(prevline),strlen(prevline));

  1149 	else

  1150 	    cnt_short++;

  1151     }

  1152 }

  1154 /*

  1155  * check_for_starting_punctuation:

  1156  *

  1157  * Look for punctuation other than full ellipses at start of line.

  1158  */

  1159 void check_for_starting_punctuation(const char *aline)

  1160 {

  1161     if (*aline && strchr(".?!,;:",aline[0]) && strncmp(". . .",aline,5))

  1162     {

  1163 	if (pswit[ECHO_SWITCH])

  1164 	    printf("\n%s\n",aline);

  1165 	if (!pswit[OVERVIEW_SWITCH])

  1166 	    printf("    Line %ld column 1 - Begins with punctuation?\n",

  1167 	      linecnt);

  1168 	else

  1169 	    cnt_punct++;

  1170     }

  1171 }

  1173 /*

  1174  * check_for_spaced_emdash:

  1175  *

  1176  * Check for spaced em-dashes.

  1177  *

  1178  * We must check _all_ occurrences of "--" on the line

  1179  * hence the loop - even if the first double-dash is OK

  1180  * there may be another that's wrong later on.

  1181  */

  1182 void check_for_spaced_emdash(const char *aline)

  1183 {

  1184     const char *s,*t;

  1185     s=aline;

  1186     while ((t=strstr(s,"--")))

  1187     {

  1188 	if (t>aline && t[-1]==CHAR_SPACE || t[2]==CHAR_SPACE)

  1189 	{

  1190 	    if (pswit[ECHO_SWITCH])

  1191 		printf("\n%s\n",aline);

  1192 	    if (!pswit[OVERVIEW_SWITCH])

  1193 		printf("    Line %ld column %d - Spaced em-dash?\n",

  1194 		  linecnt,(int)(t-aline)+1);

  1195 	    else

  1196 		cnt_dash++;

  1197 	}

  1198 	s=t+2;

  1199     }

  1200 }

  1202 /*

  1203  * check_for_spaced_dash:

  1204  *

  1205  * Check for spaced dashes.

  1206  */

  1207 void check_for_spaced_dash(const char *aline)

  1208 {

  1209     const char *s;

  1210     if ((s=strstr(aline," -")))

  1211     {

  1212 	if (s[2]!='-')

  1213 	{

  1214 	    if (pswit[ECHO_SWITCH])

  1215 		printf("\n%s\n",aline);

  1216 	    if (!pswit[OVERVIEW_SWITCH])

  1217 		printf("    Line %ld column %d - Spaced dash?\n",

  1218 		  linecnt,(int)(s-aline)+1);

  1219 	    else

  1220 		cnt_dash++;

  1221 	}

  1222     }

  1223     else if ((s=strstr(aline,"- ")))

  1224     {

  1225 	if (s==aline || s[-1]!='-')

  1226 	{

  1227 	    if (pswit[ECHO_SWITCH])

  1228 		printf("\n%s\n",aline);

  1229 	    if (!pswit[OVERVIEW_SWITCH])

  1230 		printf("    Line %ld column %d - Spaced dash?\n",

  1231 		  linecnt,(int)(s-aline)+1);

  1232 	    else

  1233 		cnt_dash++;

  1234 	}

  1235     }

  1236 }

  1238 /*

  1239  * check_for_unmarked_paragraphs:

  1240  *

  1241  * Check for unmarked paragraphs indicated by separate speakers.

  1242  *

  1243  * May well be false positive:

  1244  * "Bravo!" "Wonderful!" called the crowd.

  1245  * but useful all the same.

  1246  */

  1247 void check_for_unmarked_paragraphs(const char *aline)

  1248 {

  1249     const char *s;

  1250     s=strstr(aline,"\"  \"");

  1251     if (!s)

  1252 	s=strstr(aline,"\" \"");

  1253     if (s)

  1254     {

  1255 	if (pswit[ECHO_SWITCH])

  1256 	    printf("\n%s\n",aline);

  1257 	if (!pswit[OVERVIEW_SWITCH])

  1258 	    printf("    Line %ld column %d - Query missing paragraph break?\n",

  1259 	      linecnt,(int)(s-aline)+1);

  1260 	else

  1261 	    cnt_punct++;

  1262     }

  1263 }

  1265 /*

  1266  * check_for_jeebies:

  1267  *

  1268  * Check for "to he" and other easy h/b errors.

  1269  *

  1270  * This is a very inadequate effort on the h/b problem,

  1271  * but the phrase "to he" is always an error, whereas "to

  1272  * be" is quite common.

  1273  * Similarly, '"Quiet!", be said.' is a non-be error

  1274  * "to he" is _not_ always an error!:

  1275  *       "Where they went to he couldn't say."

  1276  * Another false positive:

  1277  *       What would "Cinderella" be without the . . .

  1278  * and another: "If he wants to he can see for himself."

  1279  */

  1280 void check_for_jeebies(const char *aline)

  1281 {

  1282     const char *s;

  1283     s=strstr(aline," be could ");

  1284     if (!s)

  1285 	s=strstr(aline," be would ");

  1286     if (!s)

  1287 	s=strstr(aline," was be ");

  1288     if (!s)

  1289 	s=strstr(aline," be is ");

  1290     if (!s)

  1291 	s=strstr(aline," is be ");

  1292     if (!s)

  1293 	s=strstr(aline,"\", be ");

  1294     if (!s)

  1295 	s=strstr(aline,"\" be ");

  1296     if (!s)

  1297 	s=strstr(aline,"\" be ");

  1298     if (!s)

  1299 	s=strstr(aline," to he ");

  1300     if (s)

  1301     {

  1302 	if (pswit[ECHO_SWITCH])

  1303 	    printf("\n%s\n",aline);

  1304 	if (!pswit[OVERVIEW_SWITCH])

  1305 	    printf("    Line %ld column %d - Query he/be error?\n",

  1306 	      linecnt,(int)(s-aline)+1);

  1307 	else

  1308 	    cnt_word++;

  1309     }

  1310     s=strstr(aline," the had ");

  1311     if (!s)

  1312 	s=strstr(aline," a had ");

  1313     if (!s)

  1314 	s=strstr(aline," they bad ");

  1315     if (!s)

  1316 	s=strstr(aline," she bad ");

  1317     if (!s)

  1318 	s=strstr(aline," he bad ");

  1319     if (!s)

  1320 	s=strstr(aline," you bad ");

  1321     if (!s)

  1322 	s=strstr(aline," i bad ");

  1323     if (s)

  1324     {

  1325 	if (pswit[ECHO_SWITCH])

  1326 	    printf("\n%s\n",aline);

  1327 	if (!pswit[OVERVIEW_SWITCH])

  1328 	    printf("    Line %ld column %d - Query had/bad error?\n",

  1329 	      linecnt,(int)(s-aline)+1);

  1330 	else

  1331 	    cnt_word++;

  1332     }

  1333     s=strstr(aline,"; hut ");

  1334     if (!s)

  1335 	s=strstr(aline,", hut ");

  1336     if (s)

  1337     {

  1338 	if (pswit[ECHO_SWITCH])

  1339 	    printf("\n%s\n",aline);

  1340 	if (!pswit[OVERVIEW_SWITCH])

  1341 	    printf("    Line %ld column %d - Query hut/but error?\n",

  1342 	      linecnt,(int)(s-aline)+1);

  1343 	else

  1344 	    cnt_word++;

  1345     }

  1346 }

  1348 /*

  1349  * check_for_mta_from:

  1350  *

  1351  * Special case - angled bracket in front of "From" placed there by an

  1352  * MTA when sending an e-mail.

  1353  */

  1354 void check_for_mta_from(const char *aline)

  1355 {

  1356     const char *s;

  1357     s=strstr(aline,">From");

  1358     if (s)

  1359     {

  1360 	if (pswit[ECHO_SWITCH])

  1361 	    printf("\n%s\n",aline);

  1362 	if (!pswit[OVERVIEW_SWITCH])

  1363 	    printf("    Line %ld column %d - Query angled bracket with From\n",

  1364 	      linecnt,(int)(s-aline)+1);

  1365 	else

  1366 	    cnt_punct++;

  1367     }

  1368 }

  1370 /*

  1371  * check_for_orphan_character:

  1372  *

  1373  * Check for a single character line -

  1374  * often an overflow from bad wrapping.

  1375  */

  1376 void check_for_orphan_character(const char *aline)

  1377 {

  1378     if (*aline && !aline[1])

  1379     {

  1380 	if (*aline=='I' || *aline=='V' || *aline=='X' || *aline=='L' ||

  1381 	  gcisdigit(*aline))

  1382 	    ; /* Nothing - ignore numerals alone on a line. */

  1383 	else

  1384 	{

  1385 	    if (pswit[ECHO_SWITCH])

  1386 		printf("\n%s\n",aline);

  1387 	    if (!pswit[OVERVIEW_SWITCH])

  1388 		printf("    Line %ld column 1 - Query single character line\n",

  1389 		  linecnt);

  1390 	    else

  1391 		cnt_punct++;

  1392 	}

  1393     }

  1394 }

  1396 /*

  1397  * check_for_pling_scanno:

  1398  *

  1399  * Check for I" - often should be !

  1400  */

  1401 void check_for_pling_scanno(const char *aline)

  1402 {

  1403     const char *s;

  1404     s=strstr(aline," I\"");

  1405     if (s)

  1406     {

  1407 	if (pswit[ECHO_SWITCH])

  1408 	    printf("\n%s\n",aline);

  1409 	if (!pswit[OVERVIEW_SWITCH])

  1410 	    printf("    Line %ld column %ld - Query I=exclamation mark?\n",

  1411 	      linecnt,s-aline);

  1412 	else

  1413 	    cnt_punct++;

  1414     }

  1415 }

  1417 /*

  1418  * check_for_extra_period:

  1419  *

  1420  * Check for period without a capital letter. Cut-down from gutspell.

  1421  * Only works when it happens on a single line.

  1422  */

  1423 void check_for_extra_period(const char *aline,const struct warnings *warnings)

  1424 {

  1425     const char *s,*t,*s1;

  1426     signed int i,istypo,isdup;

  1427     static char qperiod[MAX_QWORD][MAX_QWORD_LENGTH];

  1428     static int qperiod_index=0;

  1429     char testword[MAXWORDLEN]="";

  1430     if (pswit[PARANOID_SWITCH])

  1431     {

  1432 	for (t=s=aline;strstr(t,". ");)

  1433 	{

  1434 	    t=strstr(t,". ");

  1435 	    if (t==s)

  1436 	    {

  1437 		t++;

  1438 		/* start of line punctuation is handled elsewhere */

  1439 		continue;

  1440 	    }

  1441 	    if (!gcisalpha(t[-1]))

  1442 	    {

  1443 		t++;

  1444 		continue;

  1445 	    }

  1446 	    if (warnings->isDutch)

  1447 	    {

  1448 		/* For Frank & Jeroen -- 's Middags case */

  1449 		if (t[2]==CHAR_SQUOTE && t[3]>='a' && t[3]<='z' &&

  1450 		  t[4]==CHAR_SPACE && t[5]>='A' && t[5]<='Z')

  1451 		{

  1452 		    t++;

  1453 		    continue;

  1454 		}

  1455 	    }

  1456 	    s1=t+2;

  1457 	    while (*s1 && !gcisalpha(*s1) && !isdigit(*s1))

  1458 		s1++;

  1459 	    if (*s1>='a' && *s1<='z')

  1460 	    {

  1461 		/* we have something to investigate */

  1462 		istypo=1;

  1463 		/* so let's go back and find out */

  1464 		for (s1=t-1;s1>=s &&

  1465 		  (gcisalpha(*s1) || gcisdigit(*s1) || *s1==CHAR_SQUOTE &&

  1466 		  gcisalpha(s1[1]) && gcisalpha(s1[-1]));s1--)

  1467 		    ;

  1468 		s1++;

  1469 		for (i=0;*s1 && *s1!='.';s1++,i++)

  1470 		    testword[i]=*s1;

  1471 		testword[i]=0;

  1472 		for (i=0;*abbrev[i];i++)

  1473 		    if (!strcmp(testword,abbrev[i]))

  1474 			istypo=0;

  1475 		if (gcisdigit(*testword))

  1476 		    istypo=0;

  1477 		if (!testword[1])

  1478 		    istypo=0;

  1479 		if (isroman(testword))

  1480 		    istypo=0;

  1481 		if (istypo)

  1482 		{

  1483 		    istypo=0;

  1484 		    for (i=0;testword[i];i++)

  1485 			if (strchr(vowels,testword[i]))

  1486 			    istypo=1;

  1487 		}

  1488 		if (istypo)

  1489 		{

  1490 		    isdup=0;

  1491 		    if (strlen(testword)<MAX_QWORD_LENGTH &&

  1492 		      !pswit[VERBOSE_SWITCH])

  1493 			for (i=0;i<qperiod_index;i++)

  1494 			    if (!strcmp(testword,qperiod[i]))

  1495 				isdup=1;

  1496 		    if (!isdup)

  1497 		    {

  1498 			if (qperiod_index<MAX_QWORD &&

  1499 			  strlen(testword)<MAX_QWORD_LENGTH)

  1500 			{

  1501 			    strcpy(qperiod[qperiod_index],testword);

  1502 			    qperiod_index++;

  1503 			}

  1504 			if (pswit[ECHO_SWITCH])

  1505 			    printf("\n%s\n",aline);

  1506 			if (!pswit[OVERVIEW_SWITCH])

  1507 			    printf("    Line %ld column %d - Extra period?\n",

  1508 			      linecnt,(int)(t-aline)+1);

  1509 			else

  1510 			    cnt_punct++;

  1511 		    }

  1512 		}

  1513 	    }

  1514 	    t++;

  1515 	}

  1516     }

  1517 }

  1519 /*

  1520  * check_for_following_punctuation:

  1521  *

  1522  * Check for words usually not followed by punctuation.

  1523  */

  1524 void check_for_following_punctuation(const char *aline)

  1525 {

  1526     int i;

  1527     const char *s,*wordstart;

  1528     char inword[MAXWORDLEN];

  1529     if (pswit[TYPO_SWITCH])

  1530     {

  1531 	for (s=aline;*s;)

  1532 	{

  1533 	    wordstart=s;

  1534 	    s=getaword(s,inword);

  1535 	    if (!*inword)

  1536 		continue;

  1537 	    lowerit(inword);

  1538 	    for (i=0;*nocomma[i];i++)

  1539 		if (!strcmp(inword,nocomma[i]))

  1540 		{

  1541 		    if (*s==',' || *s==';' || *s==':')

  1542 		    {

  1543 			if (pswit[ECHO_SWITCH])

  1544 			    printf("\n%s\n",aline);

  1545 			if (!pswit[OVERVIEW_SWITCH])

  1546 			    printf("    Line %ld column %d - "

  1547 			      "Query punctuation after %s?\n",

  1548 			      linecnt,(int)(s-aline)+1,inword);

  1549 			else

  1550 			    cnt_punct++;

  1551 		    }

  1552 		}

  1553 	    for (i=0;*noperiod[i];i++)

  1554 		if (!strcmp(inword,noperiod[i]))

  1555 		{

  1556 		    if (*s=='.' || *s=='!')

  1557 		    {

  1558 			if (pswit[ECHO_SWITCH])

  1559 			    printf("\n%s\n",aline);

  1560 			if (!pswit[OVERVIEW_SWITCH])

  1561 			    printf("    Line %ld column %d - "

  1562 			      "Query punctuation after %s?\n",

  1563 			      linecnt,(int)(s-aline)+1,inword);

  1564 			else

  1565 			    cnt_punct++;

  1566 		    }

  1567 		}

  1568 	}

  1569     }

  1570 }

  1572 /*

  1573  * check_for_typos:

  1574  *

  1575  * Check for commonly mistyped words,

  1576  * and digits like 0 for O in a word.

  1577  */

  1578 void check_for_typos(const char *aline,struct warnings *warnings)

  1579 {

  1580     const char *s,*wordstart;

  1581     char inword[MAXWORDLEN],testword[MAXWORDLEN];

  1582     int i,istypo,isdup,alower,vowel,consonant;

  1583     static int qword_index=0;

  1584     for (s=aline;*s;)

  1585     {

  1586 	wordstart=s;

  1587 	s=getaword(s,inword);

  1588 	if (!*inword)

  1589 	    continue; /* don't bother with empty lines */

  1590 	if (mixdigit(inword))

  1591 	{

  1592 	    if (pswit[ECHO_SWITCH])

  1593 		printf("\n%s\n",aline);

  1594 	    if (!pswit[OVERVIEW_SWITCH])

  1595 		printf("    Line %ld column %d - Query digit in %s\n",

  1596 		  linecnt,(int)(wordstart-aline)+1,inword);

  1597 	    else

  1598 		cnt_word++;

  1599 	}

  1600 	/*

  1601 	 * Put the word through a series of tests for likely typos and OCR

  1602 	 * errors.

  1603 	 */

  1604 	if (pswit[TYPO_SWITCH])

  1605 	{

  1606 	    istypo=0;

  1607 	    strcpy(testword,inword);

  1608 	    alower=0;

  1609 	    for (i=0;i<(signed int)strlen(testword);i++)

  1610 	    {

  1611 		/* lowercase for testing */

  1612 		if (testword[i]>='a' && testword[i]<='z')

  1613 		    alower=1;

  1614 		if (alower && testword[i]>='A' && testword[i]<='Z')

  1615 		{

  1616 		    /*

  1617 		     * We have an uppercase mid-word. However, there are

  1618 		     * common cases:

  1619 		     *   Mac and Mc like McGill

  1620 		     *   French contractions like l'Abbe

  1621 		     */

  1622 		    if (i==2 && testword[0]=='m' && testword[1]=='c' ||

  1623 		      i==3 && testword[0]=='m' && testword[1]=='a' &&

  1624 		      testword[2]=='c' || i>0 && testword[i-1]==CHAR_SQUOTE)

  1625 			; /* do nothing! */

  1626 		    else

  1627 			istypo=1;

  1628 		}

  1629 		testword[i]=(char)tolower(testword[i]);

  1630 	    }

  1631 	    /*

  1632 	     * Check for certain unlikely two-letter combinations at word

  1633 	     * start and end.

  1634 	     */

  1635 	    if (strlen(testword)>1)

  1636 	    {

  1637 		for (i=0;*nostart[i];i++)

  1638 		    if (!strncmp(testword,nostart[i],2))

  1639 			istypo=1;

  1640 		for (i=0;*noend[i];i++)

  1641 		    if (!strncmp(testword+strlen(testword)-2,noend[i],2))

  1642 			istypo=1;

  1643 	    }

  1644 	    /* ght is common, gbt never. Like that. */

  1645 	    if (strstr(testword,"cb"))

  1646 		istypo=1;

  1647 	    if (strstr(testword,"gbt"))

  1648 		istypo=1;

  1649 	    if (strstr(testword,"pbt"))

  1650 		istypo=1;

  1651 	    if (strstr(testword,"tbs"))

  1652 		istypo=1;

  1653 	    if (strstr(testword,"mrn"))

  1654 		istypo=1;

  1655 	    if (strstr(testword,"ahle"))

  1656 		istypo=1;

  1657 	    if (strstr(testword,"ihle"))

  1658 		istypo=1;

  1659 	    /*

  1660 	     * "TBE" does happen - like HEARTBEAT - but uncommon.

  1661 	     * Also "TBI" - frostbite, outbid - but uncommon.

  1662 	     * Similarly "ii" like Hawaii, or Pompeii, and in Roman

  1663 	     * numerals, but "ii" is a common scanno.

  1664 	     */

  1665 	    if (strstr(testword,"tbi"))

  1666 		istypo=1;

  1667 	    if (strstr(testword,"tbe"))

  1668 		istypo=1;

  1669 	    if (strstr(testword,"ii"))

  1670 		istypo=1;

  1671 	    /*

  1672 	     * Check for no vowels or no consonants.

  1673 	     * If none, flag a typo.

  1674 	     */

  1675 	    if (!istypo && strlen(testword)>1)

  1676 	    {

  1677 		vowel=consonant=0;

  1678 		for (i=0;testword[i];i++)

  1679 		{

  1680 		    if (testword[i]=='y' || gcisdigit(testword[i]))

  1681 		    {

  1682 			/* Yah, this is loose. */

  1683 			vowel++;

  1684 			consonant++;

  1685 		    }

  1686 		    else if (strchr(vowels,testword[i]))

  1687 			vowel++;

  1688 		    else

  1689 			consonant++;

  1690 		}

  1691 		if (!vowel || !consonant)

  1692 		    istypo=1;

  1693 	    }

  1694 	    /*

  1695 	     * Now exclude the word from being reported if it's in

  1696 	     * the okword list.

  1697 	     */

  1698 	    for (i=0;*okword[i];i++)

  1699 		if (!strcmp(testword,okword[i]))

  1700 		    istypo=0;

  1701 	    /*

  1702 	     * What looks like a typo may be a Roman numeral.

  1703 	     * Exclude these.

  1704 	     */

  1705 	    if (istypo && isroman(testword))

  1706 		istypo=0;

  1707 	    /* Check the manual list of typos. */

  1708 	    if (!istypo)

  1709 		for (i=0;*typo[i];i++)

  1710 		    if (!strcmp(testword,typo[i]))

  1711 			istypo=1;

  1712 	    /*

  1713 	     * Check lowercase s, l, i and m - special cases.

  1714 	     *   "j" - often a semi-colon gone wrong.

  1715 	     *   "d" for a missing apostrophe - he d

  1716 	     *   "n" for "in"

  1717 	     */

  1718 	    if (!istypo && strlen(testword)==1 && strchr("slmijdn",*inword))

  1719 		istypo=1;

  1720 	    if (istypo)

  1721 	    {

  1722 		isdup=0;

  1723 		if (strlen(testword)<MAX_QWORD_LENGTH &&

  1724 		  !pswit[VERBOSE_SWITCH])

  1725 		    for (i=0;i<qword_index;i++)

  1726 			if (!strcmp(testword,qword[i]))

  1727 			{

  1728 			    isdup=1;

  1729 			    ++dupcnt[i];

  1730 			}

  1731 		if (!isdup)

  1732 		{

  1733 		    if (qword_index<MAX_QWORD &&

  1734 		      strlen(testword)<MAX_QWORD_LENGTH)

  1735 		    {

  1736 			strcpy(qword[qword_index],testword);

  1737 			qword_index++;

  1738 		    }

  1739 		    if (pswit[ECHO_SWITCH])

  1740 			printf("\n%s\n",aline);

  1741 		    if (!pswit[OVERVIEW_SWITCH])

  1742 		    {

  1743 			printf("    Line %ld column %d - Query word %s",

  1744 			  linecnt,(int)(wordstart-aline)+1,inword);

  1745 			if (strlen(testword)<MAX_QWORD_LENGTH &&

  1746 			  !pswit[VERBOSE_SWITCH])

  1747 			    printf(" - not reporting duplicates");

  1748 			printf("\n");

  1749 		    }

  1750 		    else

  1751 			cnt_word++;

  1752 		}

  1753 	    }

  1754 	}

  1755 	/* check the user's list of typos */

  1756 	if (!istypo && usertypo_count)

  1757 	    for (i=0;i<usertypo_count;i++)

  1758 		if (!strcmp(testword,usertypo[i]))

  1759 		{

  1760 		    if (pswit[ECHO_SWITCH])

  1761 			printf("\n%s\n",aline);

  1762 		    if (!pswit[OVERVIEW_SWITCH])

  1763 			printf("    Line %ld column %d - "

  1764 			  "Query possible scanno %s\n",

  1765 			  linecnt,(int)(wordstart-aline)+2,inword);

  1766 		}

  1767 	if (pswit[PARANOID_SWITCH] && warnings->digit)

  1768 	{

  1769 	    /* In paranoid mode, query all 0 and 1 standing alone. */

  1770 	    if (!strcmp(inword,"0") || !strcmp(inword,"1"))

  1771 	    {

  1772 		if (pswit[ECHO_SWITCH])

  1773 		    printf("\n%s\n",aline);

  1774 		if (!pswit[OVERVIEW_SWITCH])

  1775 		    printf("    Line %ld column %d - Query standalone %s\n",

  1776 		      linecnt,(int)(wordstart-aline)+2,inword);

  1777 		else

  1778 		    cnt_word++;

  1779 	    }

  1780 	}

  1781     }

  1782 }

  1784 /*

  1785  * procfile:

  1786  *

  1787  * Process one file.

  1788  */

  1789 void procfile(char *filename)

  1790 {

  1791     const char *s,*t;

  1792     char parastart[81];     /* first line of current para */

  1793     FILE *infile;

  1794     struct first_pass_results *first_pass_results;

  1795     struct warnings *warnings;

  1796     struct counters counters={0};

  1797     struct line_properties last={0};

  1798     int isemptyline;

  1799     long squot,start_para_line;

  1800     signed int i,llen,isacro,isellipsis;

  1801     signed int dquotepar,squotepar;

  1802     signed int isnewpara;

  1803     char dquote_err[80],squote_err[80],rbrack_err[80],sbrack_err[80],

  1804       cbrack_err[80],unders_err[80];

  1805     signed int enddash;

  1806     last.start=CHAR_SPACE;

  1807     *dquote_err=*squote_err=*rbrack_err=*cbrack_err=*sbrack_err=

  1808       *unders_err=*prevline=0;

  1809     linecnt=checked_linecnt=start_para_line=0;

  1810     squot=0;

  1811     i=llen=isacro=isellipsis=0;

  1812     isnewpara=enddash=0;

  1813     dquotepar=squotepar=0;

  1814     infile=fopen(filename,"rb");

  1815     if (!infile)

  1816     {

  1817         if (pswit[STDOUT_SWITCH])

  1818             fprintf(stdout,"bookloupe: cannot open %s\n",filename);

  1819         else

  1820             fprintf(stderr,"bookloupe: cannot open %s\n",filename);

  1821 	exit(1);

  1822     }

  1823     fprintf(stdout,"\n\nFile: %s\n\n",filename);

  1824     first_pass_results=first_pass(infile);

  1825     warnings=report_first_pass(first_pass_results);

  1826     rewind(infile);

  1827     /*

  1828      * Here we go with the main pass. Hold onto yer hat!

  1829      * Re-init some variables we've dirtied.

  1830      */

  1831     squot=linecnt=0;

  1832     while (flgets(aline,LINEBUFSIZE-1,infile,linecnt+1))

  1833     {

  1834         linecnt++;

  1835         if (linecnt==1)

  1836 	    isnewpara=1;

  1837         if (pswit[DP_SWITCH] && !strncmp(aline,"-----File: ",11))

  1838 	    continue;    // skip DP page separators completely

  1839         if (linecnt<first_pass_results->firstline ||

  1840 	  (first_pass_results->footerline>0 &&

  1841 	  linecnt>first_pass_results->footerline))

  1842 	{

  1843             if (pswit[HEADER_SWITCH])

  1844 	    {

  1845                 if (!strncmp(aline,"Title:",6))

  1846                     printf("    %s\n",aline);

  1847                 if (!strncmp(aline,"Author:",7))

  1848                     printf("    %s\n",aline);

  1849                 if (!strncmp(aline,"Release Date:",13))

  1850                     printf("    %s\n",aline);

  1851                 if (!strncmp(aline,"Edition:",8))

  1852                     printf("    %s\n\n",aline);

  1853 	    }

  1854             continue;                /* skip through the header */

  1855 	}

  1856         checked_linecnt++;

  1857         s=aline;

  1858         /*

  1859 	 * If we are in a state of unbalanced quotes, and this line

  1860          * doesn't begin with a quote, output the stored error message.

  1861          * If the -P switch was used, print the warning even if the

  1862          * new para starts with quotes.

  1863 	 */

  1864         t=s;

  1865         while (*t==' ')

  1866 	    t++;

  1867         if (*dquote_err)

  1868             if (*t!=CHAR_DQUOTE || pswit[QPARA_SWITCH])

  1869 	    {

  1870                 if (!pswit[OVERVIEW_SWITCH])

  1871 		{

  1872                     if (pswit[ECHO_SWITCH])

  1873 			printf("\n%s\n",parastart);

  1874                     printf(dquote_err);

  1875 		}

  1876                 else

  1877                     cnt_dquot++;

  1878             }

  1879         if (*squote_err)

  1880 	{

  1881             if (*t!=CHAR_SQUOTE && *t!=CHAR_OPEN_SQUOTE ||

  1882 	      pswit[QPARA_SWITCH] || squot)

  1883 	    {

  1884                 if (!pswit[OVERVIEW_SWITCH])

  1885 		{

  1886                     if (pswit[ECHO_SWITCH])

  1887 			printf("\n%s\n",parastart);

  1888                     printf(squote_err);

  1889 		}

  1890                 else

  1891                     cnt_squot++;

  1892 	    }

  1893             squot=0;

  1894 	}

  1895         if (*rbrack_err)

  1896 	{

  1897             if (!pswit[OVERVIEW_SWITCH])

  1898 	    {

  1899                 if (pswit[ECHO_SWITCH])

  1900 		    printf("\n%s\n",parastart);

  1901                 printf(rbrack_err);

  1902 	    }

  1903             else

  1904                 cnt_brack++;

  1905 	}

  1906         if (*sbrack_err)

  1907 	{

  1908             if (!pswit[OVERVIEW_SWITCH])

  1909 	    {

  1910                 if (pswit[ECHO_SWITCH])

  1911 		    printf("\n%s\n",parastart);

  1912                 printf(sbrack_err);

  1913 	    }

  1914             else

  1915                 cnt_brack++;

  1916 	}

  1917         if (*cbrack_err)

  1918 	{

  1919             if (!pswit[OVERVIEW_SWITCH])

  1920 	    {

  1921                 if (pswit[ECHO_SWITCH])

  1922 		    printf("\n%s\n",parastart);

  1923                 printf(cbrack_err);

  1924 	    }

  1925             else

  1926                 cnt_brack++;

  1927 	}

  1928         if (*unders_err)

  1929 	{

  1930             if (!pswit[OVERVIEW_SWITCH])

  1931 	    {

  1932                 if (pswit[ECHO_SWITCH])

  1933 		    printf("\n%s\n",parastart);

  1934                 printf(unders_err);

  1935 	    }

  1936             else

  1937                 cnt_brack++;

  1938 	}

  1939         *dquote_err=*squote_err=*rbrack_err=*cbrack_err=

  1940 	  *sbrack_err=*unders_err=0;

  1941 	isemptyline=analyse_quotes(aline,&counters);

  1942         if (isnewpara && !isemptyline)

  1943 	{

  1944 	    /* This line is the start of a new paragraph. */

  1945             start_para_line=linecnt;

  1946 	    /* Capture its first line in case we want to report it later. */

  1947             strncpy(parastart,aline,80);

  1948             parastart[79]=0;

  1949             dquotepar=squotepar=0; /* restart the quote count */

  1950             s=aline;

  1951             while (!gcisalpha(*s) && !gcisdigit(*s) && *s)

  1952 		s++;

  1953             if (*s>='a' && *s<='z')

  1954 	    {

  1955 		/* and its first letter is lowercase */

  1956                 if (pswit[ECHO_SWITCH])

  1957 		    printf("\n%s\n",aline);

  1958                 if (!pswit[OVERVIEW_SWITCH])

  1959                     printf("    Line %ld column %d - "

  1960 		      "Paragraph starts with lower-case\n",

  1961 		      linecnt,(int)(s-aline)+1);

  1962                 else

  1963                     cnt_punct++;

  1964 	    }

  1965             isnewpara=0; /* Signal the end of new para processing. */

  1966 	}

  1967         /* Check for an em-dash broken at line end. */

  1968         if (enddash && *aline=='-')

  1969 	{

  1970             if (pswit[ECHO_SWITCH])

  1971 		printf("\n%s\n",aline);

  1972             if (!pswit[OVERVIEW_SWITCH])

  1973                 printf("    Line %ld column 1 - Broken em-dash?\n",linecnt);

  1974             else

  1975                 cnt_punct++;

  1976 	}

  1977         enddash=0;

  1978         for (s=aline+strlen(aline)-1;*s==' ' && s>aline;s--)

  1979 	    ;

  1980         if (s>=aline && *s=='-')

  1981             enddash=1;

  1982 	/*

  1983          * Check for invalid or questionable characters in the line

  1984          * Anything above 127 is invalid for plain ASCII, and

  1985          * non-printable control characters should also be flagged.

  1986          * Tabs should generally not be there.

  1987 	 */

  1988         for (s=aline;*s;s++)

  1989 	{

  1990             i=(unsigned char)*s;

  1991             if (i<CHAR_SPACE && i!=CHAR_LF && i!=CHAR_CR && i!=CHAR_TAB)

  1992 	    {

  1993                 if (pswit[ECHO_SWITCH])

  1994 		    printf("\n%s\n",aline);

  1995                 if (!pswit[OVERVIEW_SWITCH])

  1996                     printf("    Line %ld column %d - Control character %d\n",

  1997 		      linecnt,(int)(s-aline)+1,i);

  1998                 else

  1999                     cnt_bin++;

  2000 	    }

  2001 	}

  2002         if (warnings->bin)

  2003 	    check_for_odd_characters(aline,warnings,isemptyline);

  2004         if (warnings->longline)

  2005 	    check_for_long_line(aline);

  2006         if (warnings->shortline)

  2007 	    check_for_short_line(aline,&last);

  2008         last.blen=last.len;

  2009         last.len=strlen(aline);

  2010         last.start=aline[0];

  2011 	check_for_starting_punctuation(aline);

  2012         if (warnings->dash)

  2013 	{

  2014 	    check_for_spaced_emdash(aline);

  2015 	    check_for_spaced_dash(aline);

  2016 	}

  2017 	check_for_unmarked_paragraphs(aline);

  2018 	check_for_jeebies(aline);

  2019 	check_for_mta_from(aline);

  2020 	check_for_orphan_character(aline);

  2021 	check_for_pling_scanno(aline);

  2022 	check_for_extra_period(aline,warnings);

  2023 	check_for_following_punctuation(aline);

  2024 	check_for_typos(aline,warnings);

  2025 	/*

  2026          * Look for added or missing spaces around punctuation and quotes.

  2027          * If there is a punctuation character like ! with no space on

  2028          * either side, suspect a missing!space. If there are spaces on

  2029          * both sides , assume a typo. If we see a double quote with no

  2030          * space or punctuation on either side of it, assume unspaced

  2031          * quotes "like"this.

  2032 	 */

  2033         llen=strlen(aline);

  2034         for (i=1;i<llen;i++)

  2035 	{

  2036 	    /* For each character in the line after the first. */

  2037             if (strchr(".?!,;:_",aline[i]))  /* if it's punctuation */

  2038 	    {

  2039 		/* we need to suppress warnings for acronyms like M.D. */

  2040                 isacro=0;

  2041 		/* we need to suppress warnings for ellipsis . . . */

  2042                 isellipsis=0;

  2043 		/* if there are letters on both sides of it or ... */

  2044                 if (gcisalpha(aline[i-1]) && gcisalpha(aline[i+1]) ||

  2045                    gcisalpha(aline[i+1]) && strchr("?!,;:",aline[i]))

  2046 		{

  2047 		    /* ...if it's strict punctuation followed by an alpha */

  2048                     if (aline[i]=='.')

  2049 		    {

  2050                         if (i>2 && aline[i-2]=='.')

  2051 			    isacro=1;

  2052                         if (i+2<llen && aline[i+2]=='.')

  2053 			    isacro=1;

  2054 		    }

  2055                     if (!isacro)

  2056 		    {

  2057                         if (pswit[ECHO_SWITCH])

  2058 			    printf("\n%s\n",aline);

  2059                         if (!pswit[OVERVIEW_SWITCH])

  2060                             printf("    Line %ld column %d - Missing space?\n",

  2061 			      linecnt,i+1);

  2062                         else

  2063                             cnt_punct++;

  2064 		    }

  2065 		}

  2066                 if (aline[i-1]==CHAR_SPACE &&

  2067 		  (aline[i+1]==CHAR_SPACE || aline[i+1]==0))

  2068 		{

  2069 		    /*

  2070 		     * If there are spaces on both sides,

  2071 		     * or space before and end of line.

  2072 		     */

  2073                     if (aline[i]=='.')

  2074 		    {

  2075                         if (i>2 && aline[i-2]=='.')

  2076 			    isellipsis=1;

  2077                         if (i+2<llen && aline[i+2]=='.')

  2078 			    isellipsis=1;

  2079 		    }

  2080                     if (!isemptyline && !isellipsis)

  2081 		    {

  2082                         if (pswit[ECHO_SWITCH])

  2083 			    printf("\n%s\n",aline);

  2084                         if (!pswit[OVERVIEW_SWITCH])

  2085                             printf("    Line %ld column %d - "

  2086 			      "Spaced punctuation?\n",linecnt,i+1);

  2087                         else

  2088                             cnt_punct++;

  2089 		    }

  2090 		}

  2091 	    }

  2092 	}

  2093         /* Split out the characters that CANNOT be preceded by space. */

  2094         llen=strlen(aline);

  2095         for (i=1;i<llen;i++)

  2096 	{

  2097 	    /* for each character in the line after the first */

  2098             if (strchr("?!,;:",aline[i]))

  2099 	    {

  2100 		/* if it's punctuation that _cannot_ have a space before it */

  2101                 if (aline[i-1]==CHAR_SPACE && !isemptyline &&

  2102 		  aline[i+1]!=CHAR_SPACE)

  2103 		{

  2104 		    /*

  2105 		     * If aline[i+1) DOES == space,

  2106 		     * it was already reported just above.

  2107 		     */

  2108                     if (pswit[ECHO_SWITCH])

  2109 			printf("\n%s\n",aline);

  2110                     if (!pswit[OVERVIEW_SWITCH])

  2111                         printf("    Line %ld column %d - Spaced punctuation?\n",

  2112 			  linecnt,i+1);

  2113                     else

  2114                         cnt_punct++;

  2115 		}

  2116 	    }

  2117 	}

  2118         /*

  2119 	 * Special case " .X" where X is any alpha.

  2120          * This plugs a hole in the acronym code above.

  2121 	 * Inelegant, but maintainable.

  2122 	 */

  2123         llen=strlen(aline);

  2124         for (i=1;i<llen;i++)

  2125 	{

  2126 	    /* for each character in the line after the first */

  2127             if (aline[i]=='.')

  2128 	    {

  2129 		/* if it's a period */

  2130                 if (aline[i-1]==CHAR_SPACE && gcisalpha(aline[i+1]))

  2131 		{

  2132 		    /*

  2133 		     * If the period follows a space and

  2134 		     * is followed by a letter.

  2135 		     */

  2136                     if (pswit[ECHO_SWITCH])

  2137 			printf("\n%s\n",aline);

  2138                     if (!pswit[OVERVIEW_SWITCH])

  2139                         printf("    Line %ld column %d - Spaced punctuation?\n",

  2140 			  linecnt,i+1);

  2141                     else

  2142                         cnt_punct++;

  2143 		}

  2144 	    }

  2145 	}

  2146         for (i=1;i<llen;i++)

  2147 	{

  2148 	    /* for each character in the line after the first */

  2149             if (aline[i]==CHAR_DQUOTE)

  2150 	    {

  2151                 if (!strchr(" _-.'`,;:!/([{?}])",aline[i-1]) &&

  2152 		  !strchr(" _-.'`,;:!/([{?}])",aline[i+1]) && aline[i+1] ||

  2153 		  !strchr(" _-([{'`",aline[i-1]) && gcisalpha(aline[i+1]))

  2154 		{

  2155 		    if (pswit[ECHO_SWITCH])

  2156 			printf("\n%s\n",aline);

  2157 		    if (!pswit[OVERVIEW_SWITCH])

  2158 			printf("    Line %ld column %d - Unspaced quotes?\n",

  2159 			  linecnt,i+1);

  2160 		    else

  2161 			cnt_punct++;

  2162 		}

  2163 	    }

  2164 	}

  2165         /* Check parity of quotes. */

  2166         for (s=aline;*s;s++)

  2167 	{

  2168             if (*s==CHAR_DQUOTE)

  2169 	    {

  2170                 if (!(dquotepar=!dquotepar))

  2171 		{

  2172 		    /* parity even */

  2173                     if (!strchr("_-.'`/,;:!?)]} ",s[1]))

  2174 		    {

  2175                         if (pswit[ECHO_SWITCH])

  2176 			    printf("\n%s\n",aline);

  2177                         if (!pswit[OVERVIEW_SWITCH])

  2178                             printf("    Line %ld column %d - "

  2179 			      "Wrongspaced quotes?\n",linecnt,(int)(s-aline)+1);

  2180                         else

  2181                             cnt_punct++;

  2182 		    }

  2183 		}

  2184                 else

  2185 		{

  2186 		    /* parity odd */

  2187                     if (!gcisalpha(s[1]) && !isdigit(s[1]) &&

  2188 		      !strchr("_-/.'`([{$",s[1]) || !s[1])

  2189 		    {

  2190                         if (pswit[ECHO_SWITCH])

  2191 			    printf("\n%s\n",aline);

  2192                         if (!pswit[OVERVIEW_SWITCH])

  2193                             printf("    Line %ld column %d - "

  2194 			      "Wrongspaced quotes?\n",linecnt,(int)(s-aline)+1);

  2195                         else

  2196                             cnt_punct++;

  2197 		    }

  2198 		}

  2199 	    }

  2200 	}

  2201 	if (*aline==CHAR_DQUOTE)

  2202 	{

  2203 	    if (strchr(",;:!?)]} ",aline[1]))

  2204 	    {

  2205 		if (pswit[ECHO_SWITCH])

  2206 		    printf("\n%s\n",aline);

  2207 		if (!pswit[OVERVIEW_SWITCH])

  2208 		    printf("    Line %ld column 1 - Wrongspaced quotes?\n",

  2209 		      linecnt);

  2210 		else

  2211 		    cnt_punct++;

  2212 	    }

  2213 	}

  2214         if (pswit[SQUOTE_SWITCH])

  2215 	{

  2216             for (s=aline;*s;s++)

  2217 	    {

  2218                 if ((*s==CHAR_SQUOTE || *s==CHAR_OPEN_SQUOTE) &&

  2219 		  (s==aline || s>aline && !gcisalpha(s[-1]) ||

  2220 		  !gcisalpha(s[1])))

  2221 		{

  2222                     if (!(squotepar=!squotepar))

  2223 		    {

  2224 			/* parity even */

  2225                         if (!strchr("_-.'`/\",;:!?)]} ",s[1]))

  2226 			{

  2227                             if (pswit[ECHO_SWITCH])

  2228 				printf("\n%s\n",aline);

  2229                             if (!pswit[OVERVIEW_SWITCH])

  2230                                 printf("    Line %ld column %d - "

  2231 				  "Wrongspaced singlequotes?\n",

  2232 				  linecnt,(int)(s-aline)+1);

  2233                             else

  2234                                 cnt_punct++;

  2235 			}

  2236 		    }

  2237                     else

  2238 		    {

  2239 			/* parity odd */

  2240                         if (!gcisalpha(s[1]) && !isdigit(s[1]) &&

  2241 			  !strchr("_-/\".'`",s[1]) || !s[1])

  2242 			{

  2243                             if (pswit[ECHO_SWITCH])

  2244 				printf("\n%s\n",aline);

  2245                             if (!pswit[OVERVIEW_SWITCH])

  2246                                 printf("    Line %ld column %d - "

  2247 				  "Wrongspaced singlequotes?\n",

  2248 				  linecnt,(int)(s-aline)+1);

  2249                             else

  2250                                 cnt_punct++;

  2251 			}

  2252 		    }

  2253 		}

  2254 	    }

  2255 	}

  2256         /*

  2257 	 * Look for double punctuation like ,. or ,,

  2258          * Thanks to DW for the suggestion!

  2259          * In books with references, ".," and ".;" are common

  2260          * e.g. "etc., etc.," and vol. 1.; vol 3.;

  2261          * OTOH, from my initial tests, there are also fairly

  2262          * common errors. What to do? Make these cases paranoid?

  2263          * ".," is the most common, so warnings->dotcomma is used

  2264          * to suppress detailed reporting if it occurs often.

  2265 	 */

  2266         llen=strlen(aline);

  2267         for (i=0;i<llen;i++)

  2268 	{

  2269 	    /* for each punctuation character in the line */

  2270             if (strchr(".?!,;:",aline[i]) && (strchr(".?!,;:",aline[i+1])) &&

  2271 	      aline[i] && aline[i+1])

  2272 	    {

  2273 		/* followed by punctuation, it's a query, unless . . . */

  2274                 if (aline[i]==aline[i+1] && (aline[i]=='.' || aline[i]=='?' ||

  2275 		  aline[i]=='!') ||

  2276 		  !warnings->dotcomma && aline[i]=='.' && aline[i+1]==',' ||

  2277 		  warnings->isFrench && !strncmp(aline+i,",...",4) ||

  2278 		  warnings->isFrench && !strncmp(aline+i,"...,",4) ||

  2279 		  warnings->isFrench && !strncmp(aline+i,";...",4) ||

  2280 		  warnings->isFrench && !strncmp(aline+i,"...;",4) ||

  2281 		  warnings->isFrench && !strncmp(aline+i,":...",4) ||

  2282 		  warnings->isFrench && !strncmp(aline+i,"...:",4) ||

  2283 		  warnings->isFrench && !strncmp(aline+i,"!...",4) ||

  2284 		  warnings->isFrench && !strncmp(aline+i,"...!",4) ||

  2285 		  warnings->isFrench && !strncmp(aline+i,"?...",4) ||

  2286 		  warnings->isFrench && !strncmp(aline+i,"...?",4))

  2287 		{

  2288 		    if (warnings->isFrench && !strncmp(aline+i,",...",4) ||

  2289 		      warnings->isFrench && !strncmp(aline+i,"...,",4) ||

  2290 		      warnings->isFrench && !strncmp(aline+i,";...",4) ||

  2291 		      warnings->isFrench && !strncmp(aline+i,"...;",4) ||

  2292 		      warnings->isFrench && !strncmp(aline+i,":...",4) ||

  2293 		      warnings->isFrench && !strncmp(aline+i,"...:",4) ||

  2294 		      warnings->isFrench && !strncmp(aline+i,"!...",4) ||

  2295 		      warnings->isFrench && !strncmp(aline+i,"...!",4) ||

  2296 		      warnings->isFrench && !strncmp(aline+i,"?...",4) ||

  2297 		      warnings->isFrench && !strncmp(aline+i,"...?",4))

  2298 			i+=4;

  2299 		    ; /* do nothing for .. !! and ?? which can be legit */

  2300 		}

  2301                 else

  2302 		{

  2303                     if (pswit[ECHO_SWITCH])

  2304 			printf("\n%s\n",aline);

  2305                     if (!pswit[OVERVIEW_SWITCH])

  2306                         printf("    Line %ld column %d - Double punctuation?\n",

  2307 			  linecnt,i+1);

  2308                     else

  2309                         cnt_punct++;

  2310 		}

  2311 	    }

  2312 	}

  2313         s=aline;

  2314         while (strstr(s," \" "))

  2315 	{

  2316             if (pswit[ECHO_SWITCH])

  2317 		printf("\n%s\n",aline);

  2318             if (!pswit[OVERVIEW_SWITCH])

  2319                 printf("    Line %ld column %d - Spaced doublequote?\n",

  2320 		  linecnt,(int)(strstr(s," \" ")-aline+1));

  2321             else

  2322                 cnt_punct++;

  2323             s=strstr(s," \" ")+2;

  2324 	}

  2325         s=aline;

  2326         while (strstr(s," ' "))

  2327 	{

  2328             if (pswit[ECHO_SWITCH])

  2329 		printf("\n%s\n",aline);

  2330             if (!pswit[OVERVIEW_SWITCH])

  2331                 printf("    Line %ld column %d - Spaced singlequote?\n",

  2332 		  linecnt,(int)(strstr(s," ' ")-aline+1));

  2333             else

  2334                 cnt_punct++;

  2335             s=strstr(s," ' ")+2;

  2336 	}

  2337         s=aline;

  2338         while (strstr(s," ` "))

  2339 	{

  2340             if (pswit[ECHO_SWITCH])

  2341 		printf("\n%s\n",aline);

  2342             if (!pswit[OVERVIEW_SWITCH])

  2343                 printf("    Line %ld column %d - Spaced singlequote?\n",

  2344 		  linecnt,(int)(strstr(s," ` ")-aline+1));

  2345             else

  2346                 cnt_punct++;

  2347             s=strstr(s," ` ")+2;

  2348 	}

  2349         /* check special case of 'S instead of 's at end of word */

  2350         s=aline+1;

  2351         while (*s)

  2352 	{

  2353             if (*s==CHAR_SQUOTE && s[1]=='S' && s[-1]>='a' && s[-1]<='z')

  2354 	    {

  2355                 if (pswit[ECHO_SWITCH])

  2356 		    printf("\n%s\n",aline);

  2357                 if (!pswit[OVERVIEW_SWITCH])

  2358                     printf("    Line %ld column %d - Capital \"S\"?\n",

  2359 		      linecnt,(int)(s-aline+2));

  2360                 else

  2361                     cnt_punct++;

  2362 	    }

  2363             s++;

  2364 	}

  2365         /*

  2366 	 * Now check special cases - start and end of line -

  2367          * for single and double quotes. Start is sometimes [sic]

  2368          * but better to query it anyway.

  2369          * While we're here, check for dash at end of line.

  2370 	 */

  2371         llen=strlen(aline);

  2372         if (llen>1)

  2373 	{

  2374             if (aline[llen-1]==CHAR_DQUOTE || aline[llen-1]==CHAR_SQUOTE ||

  2375 	      aline[llen-1]==CHAR_OPEN_SQUOTE)

  2376                 if (aline[llen-2]==CHAR_SPACE)

  2377 		{

  2378                     if (pswit[ECHO_SWITCH])

  2379 			printf("\n%s\n",aline);

  2380                     if (!pswit[OVERVIEW_SWITCH])

  2381                         printf("    Line %ld column %d - Spaced quote?\n",

  2382 			  linecnt,llen);

  2383                     else

  2384                         cnt_punct++;

  2385 		}

  2386             if ((aline[0]==CHAR_SQUOTE || aline[0]==CHAR_OPEN_SQUOTE) &&

  2387 	      aline[1]==CHAR_SPACE)

  2388 	    {

  2389 		if (pswit[ECHO_SWITCH])

  2390 		    printf("\n%s\n",aline);

  2391 		if (!pswit[OVERVIEW_SWITCH])

  2392 		    printf("    Line %ld column 1 - Spaced quote?\n",linecnt);

  2393 		else

  2394 		    cnt_punct++;

  2395 	    }

  2396             /*

  2397 	     * Dash at end of line may well be legit - paranoid mode only

  2398              * and don't report em-dash at line-end.

  2399 	     */

  2400             if (pswit[PARANOID_SWITCH] && warnings->hyphen)

  2401 	    {

  2402                 for (i=llen-1;i>0 && (unsigned char)aline[i]<=CHAR_SPACE;i--)

  2403 		    ;

  2404                 if (aline[i]=='-' && aline[i-1]!='-')

  2405 		{

  2406                     if (pswit[ECHO_SWITCH])

  2407 			printf("\n%s\n",aline);

  2408                     if (!pswit[OVERVIEW_SWITCH])

  2409                         printf("    Line %ld column %d - "

  2410 			  "Hyphen at end of line?\n",linecnt,i);

  2411 		}

  2412 	    }

  2413 	}

  2414         /*

  2415 	 * Brackets are often unspaced, but shouldn't be surrounded by alpha.

  2416          * If so, suspect a scanno like "a]most".

  2417 	 */

  2418         llen=strlen(aline);

  2419         for (i=1;i<llen-1;i++)

  2420 	{

  2421 	    /* for each bracket character in the line except 1st & last */

  2422             if (strchr("{[()]}",aline[i]) && gcisalpha(aline[i-1]) &&

  2423 	      gcisalpha(aline[i+1]))

  2424 	    {

  2425                 if (pswit[ECHO_SWITCH])

  2426 		    printf("\n%s\n",aline);

  2427                 if (!pswit[OVERVIEW_SWITCH])

  2428                     printf("    Line %ld column %d - Unspaced bracket?\n",

  2429 		      linecnt,i);

  2430                 else

  2431                     cnt_punct++;

  2432 	    }

  2433 	}

  2434         llen=strlen(aline);

  2435         if (warnings->endquote)

  2436 	{

  2437             for (i=1;i<llen;i++)

  2438 	    {

  2439 		/* for each character in the line except 1st */

  2440                 if (aline[i]==CHAR_DQUOTE && isalpha(aline[i-1]))

  2441 		{

  2442 		    if (pswit[ECHO_SWITCH])

  2443 			printf("\n%s\n",aline);

  2444 		    if (!pswit[OVERVIEW_SWITCH])

  2445 			printf("    Line %ld column %d - "

  2446 			  "endquote missing punctuation?\n",linecnt,i);

  2447 		    else

  2448 			cnt_punct++;

  2449 		}

  2450 	    }

  2451 	}

  2452 	/*

  2453          * Check for <HTML TAG>.

  2454          * If there is a < in the line, followed at some point

  2455          * by a > then we suspect HTML.

  2456 	 */

  2457         if (strstr(aline,"<") && strstr(aline,">"))

  2458 	{

  2459             i=(signed int)(strstr(aline,">")-strstr(aline,"<")+1);

  2460             if (i>0)

  2461 	    {

  2462                 strncpy(wrk,strstr(aline,"<"),i);

  2463                 wrk[i]=0;

  2464                 if (pswit[ECHO_SWITCH])

  2465 		    printf("\n%s\n",aline);

  2466                 if (!pswit[OVERVIEW_SWITCH])

  2467                     printf("    Line %ld column %d - HTML Tag? %s \n",

  2468 		      linecnt,(int)(strstr(aline,"<")-aline)+1,wrk);

  2469                 else

  2470                     cnt_html++;

  2471 	    }

  2472 	}

  2473         /*

  2474 	 * Check for &symbol; HTML.

  2475          * If there is a & in the line, followed at

  2476          * some point by a ; then we suspect HTML.

  2477 	 */

  2478         if (strstr(aline,"&") && strstr(aline,";"))

  2479 	{

  2480             i=(int)(strstr(aline,";")-strstr(aline,"&")+1);

  2481             for (s=strstr(aline,"&");s<strstr(aline,";");s++)

  2482                 if (*s==CHAR_SPACE)

  2483 		    i=0;                /* Don't report "Jones & Son;" */

  2484             if (i>0)

  2485 	    {

  2486                 strncpy(wrk,strstr(aline,"&"),i);

  2487                 wrk[i]=0;

  2488                 if (pswit[ECHO_SWITCH])

  2489 		    printf("\n%s\n",aline);

  2490                 if (!pswit[OVERVIEW_SWITCH])

  2491                     printf("    Line %ld column %d - HTML symbol? %s \n",

  2492 		      linecnt,(int)(strstr(aline,"&")-aline)+1,wrk);

  2493                 else

  2494                     cnt_html++;

  2495 	    }

  2496 	}

  2497         /*

  2498 	 * At end of paragraph, check for mismatched quotes.

  2499          * We don't want to report an error immediately, since it is a

  2500          * common convention to omit the quotes at end of paragraph if

  2501          * the next paragraph is a continuation of the same speaker.

  2502          * Where this is the case, the next para should begin with a

  2503          * quote, so we store the warning message and only display it

  2504          * at the top of the next iteration if the new para doesn't

  2505          * start with a quote.

  2506          * The -p switch overrides this default, and warns of unclosed

  2507          * quotes on _every_ paragraph, whether the next begins with a

  2508          * quote or not.

  2509 	 */

  2510         if (isemptyline)

  2511 	{

  2512 	    /* end of para - add up the totals */

  2513             if (counters.quot%2)

  2514                 sprintf(dquote_err,"    Line %ld - Mismatched quotes\n",

  2515 		  linecnt);

  2516             if (pswit[SQUOTE_SWITCH] && counters.open_single_quote &&

  2517 	      counters.open_single_quote!=counters.close_single_quote)

  2518                 sprintf(squote_err,"    Line %ld - Mismatched singlequotes?\n",

  2519 		  linecnt);

  2520             if (pswit[SQUOTE_SWITCH] && counters.open_single_quote &&

  2521 	      counters.open_single_quote!=counters.close_single_quote &&

  2522 	      counters.open_single_quote!=counters.close_single_quote+1)

  2523 		/*

  2524 		 * Flag it to be noted regardless of the

  2525 		 * first char of the next para.

  2526 		 */

  2527                 squot=1;

  2528             if (counters.r_brack)

  2529                 sprintf(rbrack_err,"    Line %ld - "

  2530 		  "Mismatched round brackets?\n",linecnt);

  2531             if (counters.s_brack)

  2532                 sprintf(sbrack_err,"    Line %ld - "

  2533 		  "Mismatched square brackets?\n",linecnt);

  2534             if (counters.c_brack)

  2535                 sprintf(cbrack_err,"    Line %ld - "

  2536 		  "Mismatched curly brackets?\n",linecnt);

  2537             if (counters.c_unders%2)

  2538                 sprintf(unders_err,"    Line %ld - Mismatched underscores?\n",

  2539 		  linecnt);

  2540 	    memset(&counters,0,sizeof(counters));

  2541 	    /* let the next iteration know that it's starting a new para */

  2542             isnewpara=1;

  2543 	}

  2544         /*

  2545 	 * Check for omitted punctuation at end of paragraph by working back

  2546 	 * through prevline. DW.

  2547          * Need to check this only for "normal" paras.

  2548          * So what is a "normal" para?

  2549          *    Not normal if one-liner (chapter headings, etc.)

  2550          *    Not normal if doesn't contain at least one locase letter

  2551          *    Not normal if starts with space

  2552 	 */

  2553         if (isemptyline)

  2554 	{

  2555 	    /* end of para */

  2556             for (s=prevline,i=0;*s && !i;s++)

  2557                 if (gcisletter(*s))

  2558 		    /* use i to indicate the presence of a letter on the line */

  2559                     i=1;

  2560             /*

  2561 	     * This next "if" is a problem.

  2562              * If we say "start_para_line <= linecnt - 1", that includes

  2563 	     * one-line "paragraphs" like chapter heads. Lotsa false positives.

  2564              * If we say "start_para_line < linecnt - 1" it doesn't, but then it

  2565              * misses genuine one-line paragraphs.

  2566 	     */

  2567             if (i && last.blen>2 && start_para_line<linecnt-1 &&

  2568 	      *prevline>CHAR_SPACE)

  2569 	    {

  2570                 for (i=strlen(prevline)-1;

  2571 		  (prevline[i]==CHAR_DQUOTE || prevline[i]==CHAR_SQUOTE) &&

  2572 		  prevline[i]>CHAR_SPACE && i>0;

  2573 		  i--)

  2574 		    ;

  2575                 for (;i>0;i--)

  2576 		{

  2577                     if (gcisalpha(prevline[i]))

  2578 		    {

  2579                         if (pswit[ECHO_SWITCH])

  2580 			    printf("\n%s\n",prevline);

  2581                         if (!pswit[OVERVIEW_SWITCH])

  2582                             printf("    Line %ld column %d - "

  2583 			      "No punctuation at para end?\n",

  2584 			      linecnt-1,strlen(prevline));

  2585                         else

  2586                             cnt_punct++;

  2587                         break;

  2588 		    }

  2589                     if (strchr("-.:!([{?}])",prevline[i]))

  2590                         break;

  2591 		}

  2592 	    }

  2593 	}

  2594         strcpy(prevline,aline);

  2595     }

  2596     fclose(infile);

  2597     if (!pswit[OVERVIEW_SWITCH])

  2598         for (i=0;i<MAX_QWORD;i++)

  2599             if (dupcnt[i])

  2600                 printf("\nNote: Queried word %s was duplicated %d time%s\n",

  2601 		  qword[i],dupcnt[i],"s");

  2602 }

  2604 /*

  2605  * flgets:

  2606  *

  2607  * Get one line from the input stream, checking for

  2608  * the existence of exactly one CR/LF line-end per line.

  2609  *

  2610  * Returns: a pointer to the line.

  2611  */

  2612 char *flgets(char *theline,int maxlen,FILE *thefile,long lcnt)

  2613 {

  2614     char c;

  2615     int len,isCR,cint;

  2616     *theline=0;

  2617     len=isCR=0;

  2618     c=cint=fgetc(thefile);

  2619     do

  2620     {

  2621         if (cint==EOF)

  2622             return NULL;

  2623 	/* either way, it's end of line */

  2624         if (c==10)

  2625 	{

  2626             if (isCR)

  2627                 break;

  2628             else

  2629 	    {

  2630 		/* Error - a LF without a preceding CR */

  2631                 if (pswit[LINE_END_SWITCH])

  2632 		{

  2633                     if (pswit[ECHO_SWITCH])

  2634 			printf("\n%s\n",theline);

  2635                     if (!pswit[OVERVIEW_SWITCH])

  2636                         printf("    Line %ld - No CR?\n",lcnt);

  2637                     else

  2638                         cnt_lineend++;

  2639 		}

  2640                 break;

  2641 	    }

  2642 	}

  2643         if (c==13)

  2644 	{

  2645             if (isCR)

  2646 	    {

  2647 		/* Error - two successive CRs */

  2648                 if (pswit[LINE_END_SWITCH])

  2649 		{

  2650                     if (pswit[ECHO_SWITCH])

  2651 			printf("\n%s\n",theline);

  2652                     if (!pswit[OVERVIEW_SWITCH])

  2653                         printf("    Line %ld - Two successive CRs?\n",lcnt);

  2654                     else

  2655                         cnt_lineend++;

  2656 		}

  2657 	    }

  2658             isCR=1;

  2659 	}

  2660         else

  2661 	{

  2662             if (pswit[LINE_END_SWITCH] && isCR)

  2663 	    {

  2664                 if (pswit[ECHO_SWITCH])

  2665 		    printf("\n%s\n",theline);

  2666                 if (!pswit[OVERVIEW_SWITCH])

  2667                     printf("    Line %ld column %d - CR without LF?\n",

  2668 		      lcnt,len+1);

  2669                 else

  2670                     cnt_lineend++;

  2671 	    }

  2672             theline[len]=c;

  2673             len++;

  2674             theline[len]=0;

  2675             isCR=0;

  2676 	}

  2677         c=cint=fgetc(thefile);

  2678     } while(len<maxlen);

  2679     if (pswit[MARKUP_SWITCH])

  2680         postprocess_for_HTML(theline);

  2681     if (pswit[DP_SWITCH])

  2682         postprocess_for_DP(theline);

  2683     return theline;

  2684 }

  2686 /*

  2687  * mixdigit:

  2688  *

  2689  * Takes a "word" as a parameter, and checks whether it

  2690  * contains a mixture of alpha and digits. Generally, this is an

  2691  * error, but may not be for cases like 4th or L5 12s. 3d.

  2692  *

  2693  * Returns: 0 if no error found, 1 if error.

  2694  */

  2695 int mixdigit(char *checkword)

  2696 {

  2697     int wehaveadigit,wehavealetter,firstdigits,query,wl;

  2698     char *s;

  2699     wehaveadigit=wehavealetter=query=0;

  2700     for (s=checkword;*s;s++)

  2701         if (gcisalpha(*s))

  2702             wehavealetter=1;

  2703         else

  2704             if (gcisdigit(*s))

  2705                 wehaveadigit=1;

  2706     if (wehaveadigit && wehavealetter)

  2707     {

  2708 	/* Now exclude common legit cases, like "21st" and "12l. 3s. 11d." */

  2709         query=1;

  2710         wl=strlen(checkword);

  2711         for (firstdigits=0;gcisdigit(checkword[firstdigits]);firstdigits++)

  2712             ;

  2713         /* digits, ending in st, rd, nd, th of either case */

  2714         if (firstdigits+2==wl && (matchword(checkword+wl-2,"st") ||

  2715 	  matchword(checkword+wl-2,"rd") || matchword(checkword+wl-2,"nd") ||

  2716 	  matchword(checkword+wl-2,"th")))

  2717 	    query=0;

  2718         if (firstdigits+3==wl && (matchword(checkword+wl-3,"sts") ||

  2719 	  matchword(checkword+wl-3,"rds") || matchword(checkword+wl-3,"nds") ||

  2720 	  matchword(checkword+wl-3,"ths")))

  2721 	    query=0;

  2722         if (firstdigits+3==wl && (matchword(checkword+wl-4,"stly") ||

  2723 	  matchword(checkword+wl-4,"rdly") ||

  2724 	  matchword(checkword+wl-4,"ndly") || matchword(checkword+wl-4,"thly")))

  2725 	    query=0;

  2726         /* digits, ending in l, L, s or d */

  2727         if (firstdigits+1==wl && (checkword[wl-1]=='l' ||

  2728 	  checkword[wl-1]=='L' || checkword[wl-1]=='s' || checkword[wl-1]=='d'))

  2729 	    query=0;

  2730         /*

  2731 	 * L at the start of a number, representing Britsh pounds, like L500.

  2732          * This is cute. We know the current word is mixeddigit. If the first

  2733          * letter is L, there must be at least one digit following. If both

  2734          * digits and letters follow, we have a genuine error, else we have a

  2735          * capital L followed by digits, and we accept that as a non-error.

  2736 	 */

  2737         if (checkword[0]=='L' && !mixdigit(checkword+1))

  2738 	    query=0;

  2739     }

  2740     return query;

  2741 }

  2743 /*

  2744  * getaword:

  2745  *

  2746  * Extracts the first/next "word" from the line, and puts

  2747  * it into "thisword". A word is defined as one English word unit--or

  2748  * at least that's the aim.

  2749  *

  2750  * Returns: a pointer to the position in the line where we will start

  2751  *          looking for the next word.

  2752  */

  2753 const char *getaword(const char *fromline,char *thisword)

  2754 {

  2755     int i,wordlen;

  2756     const char *s;

  2757     wordlen=0;

  2758     for (;!gcisdigit(*fromline) && !gcisalpha(*fromline) && *fromline;

  2759       fromline++)

  2760 	;

  2761     /*

  2762      * Use a look-ahead to handle exceptions for numbers like 1,000 and 1.35.

  2763      * Especially yucky is the case of L1,000

  2764      * This section looks for a pattern of characters including a digit

  2765      * followed by a comma or period followed by one or more digits.

  2766      * If found, it returns this whole pattern as a word; otherwise we discard

  2767      * the results and resume our normal programming.

  2768      */

  2769     s=fromline;

  2770     for (;(gcisdigit(*s) || gcisalpha(*s) || *s==',' || *s=='.') &&

  2771       wordlen<MAXWORDLEN;s++)

  2772     {

  2773 	thisword[wordlen]=*s;

  2774         wordlen++;

  2775     }

  2776     thisword[wordlen]=0;

  2777     for (i=1;i<wordlen-1;i++)

  2778     {

  2779         if (thisword[i]=='.' || thisword[i]==',')

  2780 	{

  2781             if (gcisdigit(thisword[i-1]) && gcisdigit(thisword[i-1]))

  2782 	    {

  2783                 fromline=s;

  2784                 return fromline;

  2785 	    }

  2786 	}

  2787     }

  2788     /* we didn't find a punctuated number - do the regular getword thing */

  2789     wordlen=0;

  2790     for (;(gcisdigit(*fromline) || gcisalpha(*fromline) || *fromline=='\'') &&

  2791       wordlen<MAXWORDLEN;fromline++)

  2792     {

  2793         thisword[wordlen]=*fromline;

  2794         wordlen++;

  2795     }

  2796     thisword[wordlen]=0;

  2797     return fromline;

  2798 }

  2800 /*

  2801  * matchword:

  2802  *

  2803  * A case-insensitive string matcher.

  2804  */

  2805 int matchword(char *checkfor,char *thisword)

  2806 {

  2807     unsigned int ismatch,i;

  2808     if (strlen(checkfor)!=strlen(thisword))

  2809 	return 0;

  2810     ismatch=1;     /* assume a match until we find a difference */

  2811     for (i=0;i<strlen(checkfor);i++)

  2812         if (toupper(checkfor[i])!=toupper(thisword[i]))

  2813             ismatch=0;

  2814     return ismatch;

  2815 }

  2817 /*

  2818  * lowerit:

  2819  *

  2820  * Lowercase the line.

  2821  */

  2823 void lowerit(char *theline)

  2824 {

  2825     for (;*theline;theline++)

  2826         if (*theline>='A' && *theline<='Z')

  2827             *theline+=32;

  2828 }

  2830 /*

  2831  * isroman:

  2832  *

  2833  * Is this word a Roman Numeral?

  2834  *

  2835  * It doesn't actually validate that the number is a valid Roman Numeral--for

  2836  * example it will pass MXXXXXXXXXX as a valid Roman Numeral, but that's not

  2837  * what we're here to do. If it passes this, it LOOKS like a Roman numeral.

  2838  * Anyway, the actual Romans were pretty tolerant of bad arithmetic, or

  2839  * expressions thereof, except when it came to taxes. Allow any number of M,

  2840  * an optional D, an optional CM or CD, any number of optional Cs, an optional

  2841  * XL or an optional XC, an optional IX or IV, an optional V and any number

  2842  * of optional Is.

  2843  */

  2844 int isroman(char *t)

  2845 {

  2846     char *s;

  2847     if (!t || !*t)

  2848 	return 0;

  2849     s=t;

  2850     while (*t=='m' && *t)

  2851 	t++;

  2852     if (*t=='d')

  2853 	t++;

  2854     if (*t=='c' && t[1]=='m')

  2855 	t+=2;

  2856     if (*t=='c' && t[1]=='d')

  2857 	t+=2;

  2858     while (*t=='c' && *t)

  2859 	t++;

  2860     if (*t=='x' && t[1]=='l')

  2861 	t+=2;

  2862     if (*t=='x' && t[1]=='c')

  2863 	t+=2;

  2864     if (*t=='l')

  2865 	t++;

  2866     while (*t=='x' && *t)

  2867 	t++;

  2868     if (*t=='i' && t[1]=='x')

  2869 	t+=2;

  2870     if (*t=='i' && t[1]=='v')

  2871 	t+=2;

  2872     if (*t=='v')

  2873 	t++;

  2874     while (*t=='i' && *t)

  2875 	t++;

  2876     return !*t;

  2877 }

  2879 /*

  2880  * gcisalpha:

  2881  *

  2882  * A version of isalpha() that is somewhat lenient on 8-bit texts.

  2883  * If we use the standard function, 8-bit accented characters break

  2884  * words, so that tete with accented characters appears to be two words, "t"

  2885  * and "t", with 8-bit characters between them. This causes over-reporting of

  2886  * errors. gcisalpha() recognizes accented letters from the CP1252 (Windows)

  2887  * and ISO-8859-1 character sets, which are the most common PG 8-bit types.

  2888  */

  2889 int gcisalpha(unsigned char c)

  2890 {

  2891     if (c>='a' && c<='z')

  2892 	return 1;

  2893     if (c>='A' && c<='Z')

  2894 	return 1;

  2895     if (c<140)

  2896 	return 0;

  2897     if (c>=192 && c!=208 && c!=215 && c!=222 && c!=240 && c!=247 && c!=254)

  2898 	return 1;

  2899     if (c==140 || c==142 || c==156 || c==158 || c==159)

  2900 	return 1;

  2901     return 0;

  2902 }

  2904 /*

  2905  * gcisdigit:

  2906  *

  2907  * A version of isdigit() that doesn't get confused in 8-bit texts.

  2908  */

  2909 int gcisdigit(unsigned char c)

  2910 {

  2911     return c>='0' && c<='9';

  2912 }

  2914 /*

  2915  * gcisletter:

  2916  *

  2917  * A version of isletter() that doesn't get confused in 8-bit texts.

  2918  * NB: this is ISO-8891-1-specific.

  2919  */

  2920 int gcisletter(unsigned char c)

  2921 {

  2922     return c>='A' && c<='Z' || c>='a' && c<='z' || c>=192;

  2923 }

  2925 /*

  2926  * gcstrchr:

  2927  *

  2928  * Wraps strchr to return NULL if the character being searched for is zero.

  2929  */

  2930 char *gcstrchr(char *s,char c)

  2931 {

  2932     if (!c)

  2933 	return NULL;

  2934     return strchr(s,c);

  2935 }

  2937 /*

  2938  * postprocess_for_DP:

  2939  *

  2940  * Invoked with the -d switch from flgets().

  2941  * It simply "removes" from the line a hard-coded set of common

  2942  * DP-specific tags, so that the line passed to the main routine has

  2943  * been pre-cleaned of DP markup.

  2944  */

  2945 void postprocess_for_DP(char *theline)

  2946 {

  2947     char *s,*t;

  2948     int i;

  2949     if (!*theline)

  2950         return;

  2951     for (i=0;*DPmarkup[i];i++)

  2952     {

  2953         s=strstr(theline,DPmarkup[i]);

  2954         while (s)

  2955 	{

  2956             t=s+strlen(DPmarkup[i]);

  2957             while (*t)

  2958 	    {

  2959                 *s=*t;

  2960                 t++;

  2961 		s++;

  2962 	    }

  2963             *s=0;

  2964             s=strstr(theline,DPmarkup[i]);

  2965 	}

  2966     }

  2967 }

  2969 /*

  2970  * postprocess_for_HTML:

  2971  *

  2972  * Invoked with the -m switch from flgets().

  2973  * It simply "removes" from the line a hard-coded set of common

  2974  * HTML tags and "replaces" a hard-coded set of common HTML

  2975  * entities, so that the line passed to the main routine has

  2976  * been pre-cleaned of HTML.

  2977  */

  2978 void postprocess_for_HTML(char *theline)

  2979 {

  2980     if (strstr(theline,"<") && strstr(theline,">"))

  2981         while (losemarkup(theline))

  2982             ;

  2983     while (loseentities(theline))

  2984         ;

  2985 }

  2987 char *losemarkup(char *theline)

  2988 {

  2989     char *s,*t;

  2990     int i;

  2991     if (!*theline)

  2992         return NULL;

  2993     s=strstr(theline,"<");

  2994     t=strstr(theline,">");

  2995     if (!s || !t)

  2996 	return NULL;

  2997     for (i=0;*markup[i];i++)

  2998         if (!tagcomp(s+1,markup[i]))

  2999 	{

  3000             if (!t[1])

  3001 	    {

  3002                 *s=0;

  3003                 return s;

  3004 	    }

  3005             else if (t>s)

  3006 	    {

  3007 		strcpy(s,t+1);

  3008 		return s;

  3009 	    }

  3010         }

  3011     /* It's an unrecognized <xxx>. */

  3012     return NULL;

  3013 }

  3015 char *loseentities(char *theline)

  3016 {

  3017     int i;

  3018     char *s,*t;

  3019     if (!*theline)

  3020         return NULL;

  3021     for (i=0;*entities[i].htmlent;i++)

  3022     {

  3023         s=strstr(theline,entities[i].htmlent);

  3024         if (s)

  3025 	{

  3026             t=malloc((size_t)strlen(s));

  3027             if (!t)

  3028 		return NULL;

  3029             strcpy(t,s+strlen(entities[i].htmlent));

  3030             strcpy(s,entities[i].textent);

  3031             strcat(s,t);

  3032             free(t);

  3033             return theline;

  3034 	}

  3035     }

  3036     for (i=0;*entities[i].htmlnum;i++)

  3037     {

  3038         s=strstr(theline,entities[i].htmlnum);

  3039         if (s)

  3040 	{

  3041             t=malloc((size_t)strlen(s));

  3042             if (!t)

  3043 		return NULL;

  3044             strcpy(t,s+strlen(entities[i].htmlnum));

  3045             strcpy(s,entities[i].textent);

  3046             strcat(s,t);

  3047             free(t);

  3048             return theline;

  3049 	}

  3050     }

  3051     return NULL;

  3052 }

  3054 int tagcomp(char *strin,char *basetag)

  3055 {

  3056     char *s,*t;

  3057     s=basetag;

  3058     t=strin;

  3059     if (*t=='/')

  3060 	t++; /* ignore a slash */

  3061     while (*s && *t)

  3062     {

  3063         if (tolower(*s)!=tolower(*t))

  3064 	    return 1;

  3065         s++;

  3066 	t++;

  3067     }

  3068     return 0;

  3069 }

  3071 void proghelp()

  3072 {

  3073     fputs("Bookloupe version " PACKAGE_VERSION ".\n",stderr);

  3074     fputs("Copyright 2000-2005 Jim Tinsley <jtinsley@pobox.com>.\n",stderr);

  3075     fputs("Copyright 2012- J. Ali Harlow <ali@juiblex.co.uk>.\n",stderr);

  3076     fputs("Bookloupe comes wih ABSOLUTELY NO WARRANTY. "

  3077       "For details, read the file COPYING.\n",stderr);

  3078     fputs("This is Free Software; "

  3079       "you may redistribute it under certain conditions (GPL);\n",stderr);

  3080     fputs("read the file COPYING for details.\n\n",stderr);

  3081     fputs("Usage is: bookloupe [-setpxloyhud] filename\n",stderr);

  3082     fputs("  where -s checks single quotes, -e suppresses echoing lines, "

  3083       "-t checks typos\n",stderr);

  3084     fputs("  -x (paranoid) switches OFF -t and extra checks, "

  3085       "-l turns OFF line-end checks\n",stderr);

  3086     fputs("  -o just displays overview without detail, "

  3087       "-h echoes header fields\n",stderr);

  3088     fputs("  -v (verbose) unsuppresses duplicate reporting, "

  3089       "-m suppresses markup\n",stderr);

  3090     fputs("  -d ignores DP-specific markup,\n",stderr);

  3091     fputs("  -u uses a file gutcheck.typ to query user-defined "

  3092       "possible typos\n",stderr);

  3093     fputs("Sample usage: bookloupe warpeace.txt \n",stderr);

  3094     fputs("\n",stderr);

  3095     fputs("Bookloupe looks for errors in Project Gutenberg(TM) etexts.\n",

  3096       stderr);

  3097     fputs("Bookloupe queries anything it thinks shouldn't be in a PG text; "

  3098       "non-ASCII\n",stderr);

  3099     fputs("characters like accented letters, "

  3100       "lines longer than 75 or shorter than 55,\n",stderr);

  3101     fputs("unbalanced quotes or brackets, "

  3102       "a variety of badly formatted punctuation, \n",stderr);

  3103     fputs("HTML tags, some likely typos. "

  3104       "It is NOT a substitute for human judgement.\n",stderr);

  3105     fputs("\n",stderr);

  3106 }

author	ali <ali@juiblex.co.uk>
	Sun May 26 16:54:06 2013 +0100 (2013-05-26)
changeset 55	6b786cc05b3c
parent 54	23b2ea51b029
child 56	8ade5460e220
permissions	-rw-r--r--