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

/* Shared helper routines for manipulating XML.

   Copyright (C) 2006-2013 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.
d26e3629 KY	2
28e7fd62	3	Copyright (C) 2006-2013 Free Software Foundation, Inc.
d26e3629 KY	4
	5	This file is part of GDB.
	6
	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.
	11
	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.
	16
	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/>. */
	19
	20	#ifdef GDBSERVER
	21	#include "server.h"
	22	#else
	23	#include "defs.h"
	24	#endif
	25
	26	#include "xml-utils.h"
	27
	28	#include <string.h>
	29
	30	/* Return a malloc allocated string with special characters from TEXT
	31	replaced by entity references. */
	32
	33	char *
	34	xml_escape_text (const char *text)
	35	{
	36	char *result;
	37	int i, special;
	38
	39	/* Compute the length of the result. */
	40	for (i = 0, special = 0; text[i] != '\0'; i++)
	41	switch (text[i])
	42	{
	43	case '\'':
	44	case '\"':
	45	special += 5;
	46	break;
	47	case '&':
	48	special += 4;
	49	break;
	50	case '<':
	51	case '>':
	52	special += 3;
	53	break;
	54	default:
	55	break;
	56	}
	57
	58	/* Expand the result. */
	59	result = xmalloc (i + special + 1);
	60	for (i = 0, special = 0; text[i] != '\0'; i++)
	61	switch (text[i])
	62	{
	63	case '\'':
	64	strcpy (result + i + special, "'");
	65	special += 5;
	66	break;
	67	case '\"':
68	strcpy (result + i + special, """);
69	special += 5;
70	break;
71	case '&':
72	strcpy (result + i + special, "&");
73	special += 4;
74	break;
75	case '<':
76	strcpy (result + i + special, "<");
77	special += 3;
78	break;
79	case '>':
80	strcpy (result + i + special, ">");
81	special += 3;
82	break;
83	default:
84	result[i + special] = text[i];
85	break;
86	}
87	result[i + special] = '\0';
88
89	return result;
90	}