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