gdb/common/xml-utils.c - gdb

Functions defined

Source code

  1. /* Shared helper routines for manipulating XML.

  3.    Copyright (C) 2006-2015 Free Software Foundation, Inc.

  5.    This file is part of GDB.

  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 3 of the License, or
  10.    (at your option) any later version.

  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.

  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/>.  */

  20. #include "common-defs.h"
  21. #include "xml-utils.h"

  23. /* Return a malloc allocated string with special characters from TEXT
  24.    replaced by entity references.  */

  26. char *
  27. ‌xml_escape_text (const char *text)
  28. {
  29.   char *result;
  30.   int i, special;

  32.   /* Compute the length of the result.  */
  33.   for (i = 0, special = 0; text[i] != '\0'; i++)
  34.     switch (text[i])
  35.       {
  36.       case '\'':
  37.       case '\"':
  38.         special += 5;
  39.         break;
  40.       case '&':
  41.         special += 4;
  42.         break;
  43.       case '<':
  44.       case '>':
  45.         special += 3;
  46.         break;
  47.       default:
  48.         break;
  49.       }

  51.   /* Expand the result.  */
  52.   result = xmalloc (i + special + 1);
  53.   for (i = 0, special = 0; text[i] != '\0'; i++)
  54.     switch (text[i])
  55.       {
  56.       case '\'':
  57.         strcpy (result + i + special, "&apos;");
  58.         special += 5;
  59.         break;
  60.       case '\"':
  61.         strcpy (result + i + special, "&quot;");
  62.         special += 5;
  63.         break;
  64.       case '&':
  65.         strcpy (result + i + special, "&amp;");
  66.         special += 4;
  67.         break;
  68.       case '<':
  69.         strcpy (result + i + special, "&lt;");
  70.         special += 3;
  71.         break;
  72.       case '>':
  73.         strcpy (result + i + special, "&gt;");
  74.         special += 3;
  75.         break;
  76.       default:
  77.         result[i + special] = text[i];
  78.         break;
  79.       }
  80.   result[i + special] = '\0';

  82.   return result;
  83. }