1 files changed, 101 insertions, 0 deletions
diff --git a/Source/cmXMLSafe.cxx b/Source/cmXMLSafe.cxx
new file mode 100644
index 0000000..f899f57
--- /dev/null
+++ b/Source/cmXMLSafe.cxx
@@ -0,0 +1,101 @@
+/*============================================================================
+  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 <iostream>
+#include <sstream>
+
+#include <stdio.h>
+#include <string.h>
+
+cmXMLSafe::cmXMLSafe(const char* s)
+  : Data(s)
+  , Size(static_cast<unsigned long>(strlen(s)))
+  , DoQuotes(true)
+{
+}
+
+cmXMLSafe::cmXMLSafe(std::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;
+}
+
+std::string cmXMLSafe::str()
+{
+  std::ostringstream ss;
+  ss << *this;
+  return ss.str();
+}
+
+std::ostream& operator<<(std::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;
+}