aboutsummaryrefslogtreecommitdiff
path: root/gdb/common/xml-utils.c
blob: 1d0057fb7df7506d4c02bdf8702d6d3aab6f7385 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
/* Shared helper routines for manipulating XML.

   Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011
   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/>.  */

#ifdef GDBSERVER
#include "server.h"
#else
#include "defs.h"
#endif

#include "xml-utils.h"

#include <string.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 = 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;
}