*** empty log message ***

[deliverable/binutils-gdb.git] / gdb / xml-support.c

diff --git a/gdb/xml-support.c b/gdb/xml-support.c
index 49a10d72d56f6974d033072831148fa4deda3fd4..937c6c3177213a6664b0af01662782d301b9525b 100644 (file)
--- a/gdb/xml-support.c
+++ b/gdb/xml-support.c
@@ -1,12 +1,12 @@
 /* Helper routines for parsing XML using Expat.
 
-   Copyright (C) 2006, 2007 Free Software Foundation, Inc.
+   Copyright (C) 2006, 2007, 2008, 2009 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 2 of the License, or
+   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,
@@ -15,9 +15,7 @@
    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, write to the Free Software
-   Foundation, Inc., 51 Franklin Street, Fifth Floor,
-   Boston, MA 02110-1301, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include "defs.h"
 #include "gdbcmd.h"
@@ -546,6 +544,8 @@ gdb_xml_parse (struct gdb_xml_parser *parser, const char *buffer)
   enum XML_Status status;
   const char *error_string;
 
+  gdb_xml_debug (parser, _("Starting:\n%s"), buffer);
+
   status = XML_Parse (parser->expat_parser, buffer, strlen (buffer), 1);
 
   if (status == XML_STATUS_OK && parser->error.reason == 0)
@@ -871,8 +871,7 @@ xml_process_xincludes (const char *name, const char *text,
       result = xstrdup (obstack_finish (&data->obstack));
 
       if (depth == 0)
-       gdb_xml_debug (parser, _("XInclude processing succeeded:\n%s"),
-                      result);
+       gdb_xml_debug (parser, _("XInclude processing succeeded."));
     }
   else
     result = NULL;
@@ -936,6 +935,107 @@ show_debug_xml (struct ui_file *file, int from_tty,
   fprintf_filtered (file, _("XML debugging is %s.\n"), value);
 }
 
+/* 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;
+}
+
+void
+obstack_xml_printf (struct obstack *obstack, const char *format, ...)
+{
+  va_list ap;
+  const char *f;
+  const char *prev;
+  int percent = 0;
+
+  va_start (ap, format);
+
+  prev = format;
+  for (f = format; *f; f++)
+    {
+      if (percent)
+       {
+         switch (*f)
+           {
+           case 's':
+             {
+               char *p;
+               char *a = va_arg (ap, char *);
+               obstack_grow (obstack, prev, f - prev - 1);
+               p = xml_escape_text (a);
+               obstack_grow_str (obstack, p);
+               xfree (p);
+               prev = f + 1;
+             }
+             break;
+           }
+         percent = 0;
+       }
+      else if (*f == '%')
+       percent = 1;
+    }
+
+  obstack_grow_str (obstack, prev);
+  va_end (ap);
+}
+
 void _initialize_xml_support (void);
 
 void