binutils-gdb/gdb/common/xml-utils.c

84 lines
1.9 KiB
C

/* Shared helper routines for manipulating XML.
Copyright (C) 2006-2015 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "common-defs.h"
#include "xml-utils.h"
/* Return a malloc allocated string with special characters from TEXT
replaced by entity references. */
char *
xml_escape_text (const char *text)
{
char *result;
int i, special;
/* Compute the length of the result. */
for (i = 0, special = 0; text[i] != '\0'; i++)
switch (text[i])
{
case '\'':
case '\"':
special += 5;
break;
case '&':
special += 4;
break;
case '<':
case '>':
special += 3;
break;
default:
break;
}
/* Expand the result. */
result = (char *) xmalloc (i + special + 1);
for (i = 0, special = 0; text[i] != '\0'; i++)
switch (text[i])
{
case '\'':
strcpy (result + i + special, "&apos;");
special += 5;
break;
case '\"':
strcpy (result + i + special, "&quot;");
special += 5;
break;
case '&':
strcpy (result + i + special, "&amp;");
special += 4;
break;
case '<':
strcpy (result + i + special, "&lt;");
special += 3;
break;
case '>':
strcpy (result + i + special, "&gt;");
special += 3;
break;
default:
result[i + special] = text[i];
break;
}
result[i + special] = '\0';
return result;
}