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/*============================================================================
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 << "&"; break;
case '<': os << "<"; break;
case '>': os << ">"; break;
case '"': os << (self.DoQuotes? """ : "\""); break;
case '\'': os << (self.DoQuotes? "'" : "'"); 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;
}
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