1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/test/harness/testcaseparser.c	Thu Jan 26 23:35:52 2012 +0000
     1.3 @@ -0,0 +1,115 @@
     1.4 +#include <stdlib.h>
     1.5 +#include <stdio.h>
     1.6 +#include <string.h>
     1.7 +#include <ctype.h>
     1.8 +#include <gclib/gclib.h>
     1.9 +#include "testcaseparser.h"
    1.10 +
    1.11 +/*
    1.12 + * Get the flag (the string of characters which bracket tags in test cases).
    1.13 + */
    1.14 +const char *testcase_parser_get_flag(TestcaseParser *parser)
    1.15 +{
    1.16 +    char *s=parser->contents;
    1.17 +    if (!parser->flag)
    1.18 +    {
    1.19 +	parser->flag=string_new(NULL);
    1.20 +	while(*s>' ' && *s<='~')
    1.21 +	    string_append_c(parser->flag,*s++);
    1.22 +    }
    1.23 +    return parser->flag->str;
    1.24 +}
    1.25 +
    1.26 +/*
    1.27 + * Test if the parser has reached the end of the input file
    1.28 + */
    1.29 +boolean testcase_parser_at_eof(TestcaseParser *parser)
    1.30 +{
    1.31 +    return !parser->contents[parser->pos];
    1.32 +}
    1.33 +
    1.34 +/*
    1.35 + * Get the next tag (and its associated text, if any) from a test case.
    1.36 + * Returns: TRUE if successful and FALSE if no more valid tags are present.
    1.37 + * Callers can call testcase_parser_at_eof() when testcase_parser_get_next_tag()
    1.38 + * to distinguish EOF and text which isn't a valid tag.
    1.39 + */
    1.40 +boolean testcase_parser_get_next_tag(TestcaseParser *parser,const char **tag,
    1.41 +  const char **text)
    1.42 +{
    1.43 +    size_t n;
    1.44 +    char *eol,*endp;
    1.45 +    String *string;
    1.46 +    mem_free(parser->tag);
    1.47 +    parser->tag=NULL;
    1.48 +    mem_free(parser->tag_text);
    1.49 +    parser->tag_text=NULL;
    1.50 +    (void)testcase_parser_get_flag(parser);
    1.51 +    if (strncmp(parser->contents+parser->pos,parser->flag->str,
    1.52 +      parser->flag->len))
    1.53 +	return FALSE;
    1.54 +    eol=strchr(parser->contents+parser->pos,'\n');
    1.55 +    if (!eol)
    1.56 +	return FALSE;
    1.57 +    endp=eol-parser->flag->len;
    1.58 +    if (strncmp(endp,parser->flag->str,parser->flag->len))
    1.59 +	return FALSE;
    1.60 +    while(endp>parser->contents && isspace(endp[-1]))
    1.61 +	endp--;
    1.62 +    parser->pos+=parser->flag->len;
    1.63 +    while(isspace(parser->contents[parser->pos]))
    1.64 +	parser->pos++;
    1.65 +    parser->tag=str_ndup(parser->contents+parser->pos,
    1.66 +      endp-(parser->contents+parser->pos));
    1.67 +    parser->pos=eol-parser->contents+1;
    1.68 +    string=string_new(NULL);
    1.69 +    while (!testcase_parser_at_eof(parser) &&
    1.70 +      strncmp(parser->contents+parser->pos,parser->flag->str,parser->flag->len))
    1.71 +    {
    1.72 +	eol=strchr(parser->contents+parser->pos,'\n');
    1.73 +	if (eol)
    1.74 +	    n=eol-(parser->contents+parser->pos)+1;
    1.75 +	else
    1.76 +	    n=strlen(parser->contents+parser->pos);
    1.77 +	string_append_len(string,parser->contents+parser->pos,n);
    1.78 +	parser->pos+=n;
    1.79 +    }
    1.80 +    parser->tag_text=string_free(string,FALSE);
    1.81 +    if (!parser->tag_text)
    1.82 +	parser->tag_text=str_dup("");
    1.83 +    if (tag)
    1.84 +	*tag=parser->tag;
    1.85 +    if (text)
    1.86 +	*text=parser->tag_text;
    1.87 +    return TRUE;
    1.88 +}
    1.89 +
    1.90 +/*
    1.91 + * Create a testcase parser to read a regular file.
    1.92 + */
    1.93 +TestcaseParser *testcase_parser_new_from_file(const char *filename)
    1.94 +{
    1.95 +    TestcaseParser *parser;
    1.96 +    parser=mem_new0(TestcaseParser,1);
    1.97 +    if (!file_get_contents_text(filename,&parser->contents,NULL))
    1.98 +    {
    1.99 +	mem_free(parser);
   1.100 +	return NULL;
   1.101 +    }
   1.102 +    parser->filename=str_dup(filename);
   1.103 +    return parser;
   1.104 +}
   1.105 +
   1.106 +/*
   1.107 + * Free a testcase parser.
   1.108 + */
   1.109 +void testcase_parser_free(TestcaseParser *parser)
   1.110 +{
   1.111 +    mem_free(parser->filename);
   1.112 +    mem_free(parser->contents);
   1.113 +    if (parser->flag)
   1.114 +	string_free(parser->flag,TRUE);
   1.115 +    mem_free(parser->tag);
   1.116 +    mem_free(parser->tag_text);
   1.117 +    mem_free(parser);
   1.118 +}