langmoderegex.patch

   1 ---
   2
   3  source/preferences.c |   64 +++++++++++++++++++++++++++++++--------------------
   4  1 file changed, 39 insertions(+), 25 deletions(-)
   5
   6 diff --quilt old/source/preferences.c new/source/preferences.c
   7 --- old/source/preferences.c
   8 +++ new/source/preferences.c
   9 @@ -3216,11 +3216,13 @@ the list on the left.  To add a new lang
  10      RemapDeleteKey(LMDialog.nameW);
  11      XtVaSetValues(nameLbl, XmNuserData, LMDialog.nameW, NULL);
  12
  13      extLbl = XtVaCreateManagedWidget("extLbl", xmLabelGadgetClass, form,
  14             XmNlabelString,
  15 -               s1=XmStringCreateSimple("File extensions (separate w/ space)"),
  16 +               s1=MKSTRING(
  17 +"File extensions or regexes (in single quotes)\n\
  18 +(separate w/ space)"),
  19             XmNmnemonic, 'F',
  20             XmNalignment, XmALIGNMENT_BEGINNING,
  21             XmNleftAttachment, XmATTACH_POSITION,
  22             XmNleftPosition, LIST_RIGHT,
  23             XmNtopAttachment, XmATTACH_WIDGET,
  24 @@ -4816,51 +4818,63 @@ static int matchLanguageMode(WindowInfo
  25      int i, j, fileNameLen, extLen, beginPos, endPos, start;
  26      const char *versionExtendedPath;
  27
  28      /*... look for an explicit mode statement first */
  29
  30 -    /* Do a regular expression search on for recognition pattern */
  31 -    first200 = BufGetRange(window->buffer, 0, 200);
  32 -    for (i=0; i<NLanguageModes; i++) {
  33 -       if (LanguageModes[i]->recognitionExpr != NULL) {
  34 -           if (SearchString(first200, LanguageModes[i]->recognitionExpr,
  35 -                   SEARCH_FORWARD, SEARCH_REGEX, False, 0, &beginPos,
  36 -                   &endPos, NULL, NULL, NULL))
  37 -            {
  38 -               XtFree(first200);
  39 -               return i;
  40 -           }
  41 -       }
  42 -    }
  43 -    XtFree(first200);
  44 -
  45      /* Look at file extension ("@@/" starts a ClearCase version extended path,
  46         which gets appended after the file extension, and therefore must be
  47         stripped off to recognize the extension to make ClearCase users happy) */
  48      fileNameLen = strlen(window->filename);
  49  #ifdef VMS
  50      if (strchr(window->filename, ';') != NULL)
  51 -       fileNameLen = strchr(window->filename, ';') - window->filename;
  52 +        fileNameLen = strchr(window->filename, ';') - window->filename;
  53  #else
  54      if ((versionExtendedPath = GetClearCaseVersionExtendedPath(window->filename)) != NULL)
  55          fileNameLen = versionExtendedPath - window->filename;
  56  #endif
  57      for (i=0; i<NLanguageModes; i++) {
  58 -       for (j=0; j<LanguageModes[i]->nExtensions; j++) {
  59 -           ext = LanguageModes[i]->extensions[j];
  60 -           extLen = strlen(ext);
  61 -           start = fileNameLen - extLen;
  62 -#if defined(__VMS) && (__VMS_VER >= 70200000)
  63 -          /* VMS v7.2 has case-preserving filenames */
  64 +        for (j=0; j<LanguageModes[i]->nExtensions; j++) {
  65 +            ext = LanguageModes[i]->extensions[j];
  66 +            extLen = strlen(ext);
  67 +            if (ext[0] == '\'' && ext[extLen - 1] == '\'') {
  68 +                char* regex = XtMalloc(extLen);
  69 +                /* copy everything except the single quotes into regex */
  70 +                strcpy(regex, &ext[1]);
  71 +                regex[extLen - 2] = '\0';
  72 +                if (regexFind(window->filename, regex)) {
  73 +                    XtFree(regex);
  74 +                    return i;
  75 +                } else {
  76 +                    XtFree(regex);
  77 +                }
  78 +            } else {
  79 +                start = fileNameLen - extLen;
  80 +#if defined(__VMS) && (__VMS_VER >= 70200000)
  81 +            /* VMS v7.2 has case-preserving filenames */
  82              if (start >= 0 && !strncasecmp(&window->filename[start], ext, extLen))
  83                 return i;
  84  #else
  85 -            if (start >= 0 && !strncmp(&window->filename[start], ext, extLen))
  86 +            if (start >= 0 && !strncmp(&window->filename[start], ext, extLen))
  87                  return i;
  88  #endif
  89 -       }
  90 +            }
  91 +        }
  92 +    }
  93 +
  94 +    /* Do a regular expression search on for recognition pattern */
  95 +    first200 = BufGetRange(window->buffer, 0, 200);
  96 +    for (i=0; i<NLanguageModes; i++) {
  97 +        if (LanguageModes[i]->recognitionExpr != NULL) {
  98 +            if (SearchString(first200, LanguageModes[i]->recognitionExpr,
  99 +                             SEARCH_FORWARD, SEARCH_REGEX, False, 0, &beginPos,
 100 +                             &endPos, NULL, NULL, NULL)) {
 101 +                XtFree(first200);
 102 +                return i;
 103 +           }
 104 +        }
 105      }
 106 +    XtFree(first200);
 107
 108      /* no appropriate mode was found */
 109      return PLAIN_LANGUAGE_MODE;
 110  }
 111