GDB (API): /home/stan/gdb/src/gdb/common/xml-utils.c Source File

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00001 /* Shared helper routines for manipulating XML.
00002 
00003    Copyright (C) 2006-2013 Free Software Foundation, Inc.
00004 
00005    This file is part of GDB.
00006 
00007    This program is free software; you can redistribute it and/or modify
00008    it under the terms of the GNU General Public License as published by
00009    the Free Software Foundation; either version 3 of the License, or
00010    (at your option) any later version.
00011 
00012    This program is distributed in the hope that it will be useful,
00013    but WITHOUT ANY WARRANTY; without even the implied warranty of
00014    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015    GNU General Public License for more details.
00016 
00017    You should have received a copy of the GNU General Public License
00018    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
00019 
00020 #ifdef GDBSERVER
00021 #include "server.h"
00022 #else
00023 #include "defs.h"
00024 #endif
00025 
00026 #include "xml-utils.h"
00027 
00028 #include <string.h>
00029 
00030 /* Return a malloc allocated string with special characters from TEXT
00031    replaced by entity references.  */
00032 
00033 char *
00034 xml_escape_text (const char *text)
00035 {
00036   char *result;
00037   int i, special;
00038 
00039   /* Compute the length of the result.  */
00040   for (i = 0, special = 0; text[i] != '\0'; i++)
00041     switch (text[i])
00042       {
00043       case '\'':
00044       case '\"':
00045         special += 5;
00046         break;
00047       case '&':
00048         special += 4;
00049         break;
00050       case '<':
00051       case '>':
00052         special += 3;
00053         break;
00054       default:
00055         break;
00056       }
00057 
00058   /* Expand the result.  */
00059   result = xmalloc (i + special + 1);
00060   for (i = 0, special = 0; text[i] != '\0'; i++)
00061     switch (text[i])
00062       {
00063       case '\'':
00064         strcpy (result + i + special, "&apos;");
00065         special += 5;
00066         break;
00067       case '\"':
00068         strcpy (result + i + special, "&quot;");
00069         special += 5;
00070         break;
00071       case '&':
00072         strcpy (result + i + special, "&amp;");
00073         special += 4;
00074         break;
00075       case '<':
00076         strcpy (result + i + special, "&lt;");
00077         special += 3;
00078         break;
00079       case '>':
00080         strcpy (result + i + special, "&gt;");
00081         special += 3;
00082         break;
00083       default:
00084         result[i + special] = text[i];
00085         break;
00086       }
00087   result[i + special] = '\0';
00088 
00089   return result;
00090 }