tagmanager/ctags/html.c

   1 /*
   2 *   Copyright (c) 2003, Darren Hiebert
   3 *
   4 *   This source code is released for free distribution under the terms of the
   5 *   GNU General Public License.
   6 *
   7 *   This module contains functions for generating tags for HTML language
   8 *   files.
   9 */
  10
  11 /*
  12 *   INCLUDE FILES
  13 */
  14 #include "general.h"  /* must always come first */
  15 #include "parse.h"
  16
  17 /*
  18 *   FUNCTION DEFINITIONS
  19 */
  20
  21 static void installHtmlRegex (const langType language)
  22 {
  23 #define POSSIBLE_ATTRIBUTES "([ \t]+[a-z]+=\"?[^>\"]*\"?)*"
  24
  25         addTagRegex (language,
  26                 "<a"
  27                 POSSIBLE_ATTRIBUTES
  28                 "[ \t]+name=\"?([^>\"]+)\"?"
  29                 POSSIBLE_ATTRIBUTES
  30                 "[ \t]*>",
  31                 "\\2", "m,member,named anchors", "i");
  32
  33         addTagRegex (language, "^[ \t]*function[ \t]*([A-Za-z0-9_]+)[ \t]*\\(",
  34                 "\\1", "f,function,JavaScript functions", NULL);
  35
  36 /* the following matches headings with tags inside like
  37  * <h1><a href="#id109"><i>Some Text</i></a></h1>
  38  * and
  39  * <h1>Some Text</h1> */
  40 #define SPACES "[ \t]*"
  41 #define ATTRS "[^>]*"
  42 #define INNER_HEADING \
  43         ATTRS ">" SPACES "(<" ATTRS ">" SPACES ")*([^<]+).*"
  44
  45         addTagRegex (language,
  46                 "<h1" INNER_HEADING "</h1>",
  47                 "\\2", "n,namespace,H1 heading", "i");
  48
  49         addTagRegex (language,
  50                 "<h2" INNER_HEADING "</h2>",
  51                 "\\2", "c,class,H2 heading", "i");
  52
  53         addTagRegex (language,
  54                 "<h3" INNER_HEADING "</h3>",
  55                 "\\2", "v,variable,H3 heading", "i");
  56 }
  57
  58 /* Create parser definition stucture */
  59 extern parserDefinition* HtmlParser (void)
  60 {
  61         static const char *const extensions [] = { "htm", "html", NULL };
  62         parserDefinition *const def = parserNew ("HTML");
  63         def->extensions = extensions;
  64         def->initialize = installHtmlRegex;
  65         def->regex      = TRUE;
  66         return def;
  67 }
  68
  69 /* vi:set tabstop=4 shiftwidth=4: */