[deliverable/binutils-gdb.git] / gdb / common / xml-utils.c

/* 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;
}
Commit	Line	Data
d26e3629 KY	1	/* Shared helper routines for manipulating XML.
	2
	3	Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011
	4	Free Software Foundation, Inc.
	5
	6	This file is part of GDB.
	7
	8	This program is free software; you can redistribute it and/or modify
	9	it under the terms of the GNU General Public License as published by
	10	the Free Software Foundation; either version 3 of the License, or
	11	(at your option) any later version.
	12
	13	This program is distributed in the hope that it will be useful,
	14	but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	GNU General Public License for more details.
	17
	18	You should have received a copy of the GNU General Public License
	19	along with this program. If not, see <http://www.gnu.org/licenses/>. */
	20
	21	#ifdef GDBSERVER
	22	#include "server.h"
	23	#else
	24	#include "defs.h"
	25	#endif
	26
	27	#include "xml-utils.h"
	28
	29	#include <string.h>
	30
	31	/* Return a malloc allocated string with special characters from TEXT
	32	replaced by entity references. */
	33
	34	char *
	35	xml_escape_text (const char *text)
	36	{
	37	char *result;
	38	int i, special;
	39
	40	/* Compute the length of the result. */
	41	for (i = 0, special = 0; text[i] != '\0'; i++)
	42	switch (text[i])
	43	{
	44	case '\'':
	45	case '\"':
	46	special += 5;
	47	break;
	48	case '&':
	49	special += 4;
	50	break;
	51	case '<':
	52	case '>':
	53	special += 3;
	54	break;
	55	default:
	56	break;
	57	}
	58
	59	/* Expand the result. */
	60	result = xmalloc (i + special + 1);
	61	for (i = 0, special = 0; text[i] != '\0'; i++)
	62	switch (text[i])
	63	{
	64	case '\'':
65	strcpy (result + i + special, "'");
66	special += 5;
67	break;
68	case '\"':
69	strcpy (result + i + special, """);
70	special += 5;
71	break;
72	case '&':
73	strcpy (result + i + special, "&");
74	special += 4;
75	break;
76	case '<':
77	strcpy (result + i + special, "<");
78	special += 3;
79	break;
80	case '>':
81	strcpy (result + i + special, ">");
82	special += 3;
83	break;
84	default:
85	result[i + special] = text[i];
86	break;
87	}
88	result[i + special] = '\0';
89
90	return result;
91	}