1 files changed, 102 insertions, 0 deletions
diff --git a/Source/cmXMLSafe.cxx b/Source/cmXMLSafe.cxx
new file mode 100644
index 000000000..72fdc3466
--- /dev/null
+++ b/Source/cmXMLSafe.cxx
@@ -0,0 +1,102 @@
+/*============================================================================
+  CMake - Cross Platform Makefile Generator
+  Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
+
+  Distributed under the OSI-approved BSD License (the "License");
+  see accompanying file Copyright.txt for details.
+
+  This software is distributed WITHOUT ANY WARRANTY; without even the
+  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+  See the License for more information.
+============================================================================*/
+#include "cmXMLSafe.h"
+
+#include "cm_utf8.h"
+
+#include <cmsys/ios/iostream>
+#include <cmsys/ios/sstream>
+
+#include <string.h>
+#include <stdio.h>
+
+//----------------------------------------------------------------------------
+cmXMLSafe::cmXMLSafe(const char* s):
+  Data(s),
+  Size(static_cast<unsigned long>(strlen(s))),
+  DoQuotes(true)
+{
+}
+
+//----------------------------------------------------------------------------
+cmXMLSafe::cmXMLSafe(cmsys_stl::string const& s):
+    Data(s.c_str()),
+    Size(static_cast<unsigned long>(s.length())),
+    DoQuotes(true)
+{
+}
+
+//----------------------------------------------------------------------------
+cmXMLSafe& cmXMLSafe::Quotes(bool b)
+{
+  this->DoQuotes = b;
+  return *this;
+}
+
+//----------------------------------------------------------------------------
+cmsys_stl::string cmXMLSafe::str()
+{
+  cmsys_ios::ostringstream ss;
+  ss << *this;
+  return ss.str();
+}
+
+//----------------------------------------------------------------------------
+cmsys_ios::ostream& operator<<(cmsys_ios::ostream& os, cmXMLSafe const& self)
+{
+  char const* first = self.Data;
+  char const* last = self.Data + self.Size;
+  while(first != last)
+    {
+    unsigned int ch;
+    if(const char* next = cm_utf8_decode_character(first, last, &ch))
+      {
+      // http://www.w3.org/TR/REC-xml/#NT-Char
+      if((ch >= 0x20 && ch <= 0xD7FF) ||
+         (ch >= 0xE000 && ch <= 0xFFFD) ||
+         (ch >= 0x10000 && ch <= 0x10FFFF) ||
+          ch == 0x9 || ch == 0xA || ch == 0xD)
+        {
+        switch(ch)
+          {
+          // Escape XML control characters.
+          case '&': os << "&amp;"; break;
+          case '<': os << "&lt;"; break;
+          case '>': os << "&gt;"; break;
+          case '"': os << (self.DoQuotes? "&quot;" : "\""); break;
+          case '\'': os << (self.DoQuotes? "&apos;" : "'"); break;
+          case '\r': break; // Ignore CR
+          // Print the UTF-8 character.
+          default: os.write(first, next-first); break;
+          }
+        }
+      else
+        {
+        // Use a human-readable hex value for this invalid character.
+        char buf[16];
+        sprintf(buf, "%X", ch);
+        os << "[NON-XML-CHAR-0x" << buf << "]";
+        }
+
+      first = next;
+      }
+    else
+      {
+      ch = static_cast<unsigned char>(*first++);
+      // Use a human-readable hex value for this invalid byte.
+      char buf[16];
+      sprintf(buf, "%X", ch);
+      os << "[NON-UTF-8-BYTE-0x" << buf << "]";
+      }
+    }
+  return os;
+}