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test/harness/warningsparser.c
author ali <ali@juiblex.co.uk>
Thu Sep 05 22:35:41 2013 +0100 (2013-09-05)
changeset 80 d6fa8533242a
child 101 f44c530f80da
permissions -rw-r--r--
Update documentation for 1.92 
     1 #include <stdlib.h>

     2 #include <string.h>

     3 #include <glib.h>

     4 #include "testcase.h"

     5 #include "warningsparser.h"

     6 

     7 /*

     8  * A GMarkupParser for the contents of a WARNINGS tag.

     9  */

    10 

    11 typedef struct {

    12     Testcase *testcase;

    13     TestcaseWarning *warning;

    14     TestcaseLocation *location;

    15     enum {

    16 	WARNINGS_INIT,

    17 	WARNINGS_IN_EXPECTED,

    18 	WARNINGS_IN_WARNING,

    19 	WARNINGS_IN_AT,

    20 	WARNINGS_IN_TEXT,

    21 	WARNINGS_DONE,

    22     } state;

    23 } WarningsBaton;

    24 

    25 static void warnings_parser_start_element(GMarkupParseContext *context,

    26   const char *element_name,const char **attribute_names,

    27   const char **attribute_values,void *user_data,GError **error)

    28 {

    29     int i;

    30     guint64 tmp;

    31     char *endp;

    32     WarningsBaton *baton=user_data;

    33     switch(baton->state)

    34     {

    35 	case WARNINGS_INIT:

    36 	    if (strcmp(element_name,"expected"))

    37 		g_set_error(error,G_MARKUP_ERROR,G_MARKUP_ERROR_UNKNOWN_ELEMENT,

    38 		  "Unknown root element: '%s'",element_name);

    39 	    else if (attribute_names[0])

    40 		g_set_error(error,G_MARKUP_ERROR,

    41 		  G_MARKUP_ERROR_UNKNOWN_ATTRIBUTE,

    42 		  "Unknown attribute on element 'expected': '%s'",

    43 		  attribute_names[0]);

    44 	    else

    45 		baton->state=WARNINGS_IN_EXPECTED;

    46 	    break;

    47 	case WARNINGS_IN_EXPECTED:

    48 	    baton->warning=g_new0(TestcaseWarning,1);

    49 	    if (!strcmp(element_name,"error"))

    50 		baton->warning->is_real=TRUE;

    51 	    else if (!strcmp(element_name,"false-positive"))

    52 		baton->warning->xfail=TRUE;

    53 	    else if (!strcmp(element_name,"false-negative"))

    54 		baton->warning->is_real=baton->warning->xfail=TRUE;

    55 	    else

    56 	    {

    57 		g_set_error(error,G_MARKUP_ERROR,G_MARKUP_ERROR_UNKNOWN_ELEMENT,

    58 		  "Unknown element in 'expected': '%s'",element_name);

    59 		g_free(baton->warning);

    60 		baton->warning=NULL;

    61 		return;

    62 	    }

    63 	    if (attribute_names[0])

    64 	    {

    65 		g_set_error(error,G_MARKUP_ERROR,

    66 		  G_MARKUP_ERROR_UNKNOWN_ATTRIBUTE,

    67 		  "Unknown attribute on element '%s': '%s'",element_name,

    68 		  attribute_names[0]);

    69 		g_free(baton->warning);

    70 		baton->warning=NULL;

    71 		return;

    72 	    }

    73 	    else

    74 		baton->state=WARNINGS_IN_WARNING;

    75 	    break;

    76 	case WARNINGS_IN_WARNING:

    77 	    if (!strcmp(element_name,"at"))

    78 	    {

    79 		baton->location=g_new0(TestcaseLocation,1);

    80 		for(i=0;attribute_names[i];i++)

    81 		{

    82 		    if (!strcmp(attribute_names[i],"line"))

    83 		    {

    84 			tmp=g_ascii_strtoull(attribute_values[i],&endp,0);

    85 			if (tmp<1 || tmp>G_MAXUINT || tmp==G_MAXUINT64)

    86 			{

    87 			    g_set_error(error,G_MARKUP_ERROR,

    88 			      G_MARKUP_ERROR_INVALID_CONTENT,"Invalid value "

    89 			      "for attribute 'line' on element '%s': '%s'",

    90 			      element_name,attribute_values[i]);

    91 			    return;

    92 			}

    93 			baton->location->line=(guint)tmp;

    94 		    }

    95 		    else if (!strcmp(attribute_names[i],"column"))

    96 		    {

    97 			tmp=g_ascii_strtoull(attribute_values[i],&endp,0);

    98 			if (tmp<1 || tmp>G_MAXUINT || tmp==G_MAXUINT64)

    99 			{

   100 			    g_set_error(error,G_MARKUP_ERROR,

   101 			      G_MARKUP_ERROR_INVALID_CONTENT,"Invalid value "

   102 			      "for attribute 'column' on element '%s': '%s'",

   103 			      element_name,attribute_values[i]);

   104 			    return;

   105 			}

   106 			baton->location->column=(guint)tmp;

   107 		    }

   108 		    else

   109 		    {

   110 			g_set_error(error,G_MARKUP_ERROR,

   111 			  G_MARKUP_ERROR_UNKNOWN_ATTRIBUTE,

   112 			  "Unknown attribute on element '%s': '%s'",

   113 			  element_name,attribute_names[i]);

   114 			return;

   115 		    }

   116 		}

   117 		if (!baton->location->line)

   118 		{

   119 		    g_set_error(error,G_MARKUP_ERROR,

   120 		      G_MARKUP_ERROR_MISSING_ATTRIBUTE,

   121 		      "Missing attribute on element '%s': 'line'",element_name);

   122 		    return;

   123 		}

   124 		baton->state=WARNINGS_IN_AT;

   125 	    }

   126 	    else if (!strcmp(element_name,"text"))

   127 	    {

   128 		if (attribute_names[0])

   129 		{

   130 		    g_set_error(error,G_MARKUP_ERROR,

   131 		      G_MARKUP_ERROR_UNKNOWN_ATTRIBUTE,

   132 		      "Unknown attribute on element 'text': '%s'",

   133 		      attribute_names[0]);

   134 		    return;

   135 		}

   136 		baton->state=WARNINGS_IN_TEXT;

   137 	    }

   138 	    break;

   139 	case WARNINGS_IN_AT:

   140 	    g_set_error(error,G_MARKUP_ERROR,G_MARKUP_ERROR_UNKNOWN_ELEMENT,

   141 	      "Unknown element in 'at': '%s'",element_name);

   142 	    return;

   143 	case WARNINGS_IN_TEXT:

   144 	    g_set_error(error,G_MARKUP_ERROR,G_MARKUP_ERROR_UNKNOWN_ELEMENT,

   145 	      "Unknown element in 'text': '%s'",element_name);

   146 	    return;

   147 	default:

   148 	    g_set_error(error,G_MARKUP_ERROR,G_MARKUP_ERROR_UNKNOWN_ELEMENT,

   149 	      "Unexpected element: '%s'",element_name);

   150 	    return;

   151     }

   152 }

   153 

   154 static void warnings_parser_end_element(GMarkupParseContext *context,

   155   const char *element_name,void *user_data,GError **error)

   156 {

   157     WarningsBaton *baton=user_data;

   158     switch(baton->state)

   159     {

   160 	case WARNINGS_IN_EXPECTED:

   161 	    baton->testcase->warnings=

   162 	      g_slist_reverse(baton->testcase->warnings);

   163 	    baton->state=WARNINGS_DONE;

   164 	    break;

   165 	case WARNINGS_IN_WARNING:

   166 	    baton->warning->locations=

   167 	      g_slist_reverse(baton->warning->locations);

   168 	    baton->testcase->warnings=g_slist_prepend(baton->testcase->warnings,

   169 	      baton->warning);

   170 	    baton->warning=NULL;

   171 	    baton->state=WARNINGS_IN_EXPECTED;

   172 	    break;

   173 	case WARNINGS_IN_AT:

   174 	    baton->warning->locations=g_slist_prepend(baton->warning->locations,

   175 	      baton->location);

   176 	    baton->location=NULL;

   177 	    baton->state=WARNINGS_IN_WARNING;

   178 	    break;

   179 	case WARNINGS_IN_TEXT:

   180 	    baton->state=WARNINGS_IN_WARNING;

   181 	    break;

   182 	default:

   183 	    g_set_error(error,G_MARKUP_ERROR,G_MARKUP_ERROR_UNKNOWN_ELEMENT,

   184 	      "Unexpected element ending: '%s'",element_name);

   185 	    return;

   186     }

   187 }

   188 

   189 static void warnings_parser_text(GMarkupParseContext *context,

   190   const char *text,gsize text_len,void *user_data,GError **error)

   191 {

   192     char *s,*t;

   193     WarningsBaton *baton=user_data;

   194     switch(baton->state)

   195     {

   196 	case WARNINGS_IN_EXPECTED:

   197 	    if (strspn(text," \t\n")!=text_len)

   198 		g_set_error(error,G_MARKUP_ERROR,G_MARKUP_ERROR_INVALID_CONTENT,

   199 		  "The 'expected' tag does not take any content");

   200 	    break;

   201 	case WARNINGS_IN_WARNING:

   202 	    if (strspn(text," \t\n")!=text_len)

   203 		g_set_error(error,G_MARKUP_ERROR,G_MARKUP_ERROR_INVALID_CONTENT,

   204 		  "The warning tags do not take any content");

   205 	    break;

   206 	case WARNINGS_IN_AT:

   207 	    if (strspn(text," \t\n")!=text_len)

   208 		g_set_error(error,G_MARKUP_ERROR,G_MARKUP_ERROR_INVALID_CONTENT,

   209 		  "The 'at' tag does not take any content");

   210 	    break;

   211 	case WARNINGS_IN_TEXT:

   212 	    s=g_strdup(text+strspn(text," \t\n"));

   213 	    g_strchomp(s);

   214 	    if (baton->warning->text)

   215 	    {

   216 		t=g_strconcat(baton->warning->text,s,NULL);

   217 		g_free(baton->warning->text);

   218 		g_free(s);

   219 		baton->warning->text=t;

   220 	    }

   221 	    else

   222 		baton->warning->text=s;

   223 	    break;

   224 	default:

   225 	    g_set_error(error,G_MARKUP_ERROR,G_MARKUP_ERROR_INVALID_CONTENT,

   226 	      "Unexpected content: '%s'",text);

   227 	    return;

   228     }

   229 }

   230 

   231 GMarkupParseContext *warnings_parse_context_new(Testcase *testcase)

   232 {

   233     static GMarkupParser parser={0};

   234     WarningsBaton *baton;

   235     parser.start_element=warnings_parser_start_element;

   236     parser.end_element=warnings_parser_end_element;

   237     parser.text=warnings_parser_text;

   238     baton=g_new0(WarningsBaton,1);

   239     baton->testcase=testcase;

   240     baton->state=WARNINGS_INIT;

   241     return g_markup_parse_context_new(&parser,

   242       G_MARKUP_TREAT_CDATA_AS_TEXT|G_MARKUP_PREFIX_ERROR_POSITION,

   243       baton,g_free);

   244 }
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