102 строки
2.6 KiB
C++
102 строки
2.6 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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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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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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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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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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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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unsigned int ch;
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if (const char* next = cm_utf8_decode_character(first, last, &ch)) {
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// http://www.w3.org/TR/REC-xml/#NT-Char
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if ((ch >= 0x20 && ch <= 0xD7FF) || (ch >= 0xE000 && ch <= 0xFFFD) ||
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(ch >= 0x10000 && ch <= 0x10FFFF) || ch == 0x9 || ch == 0xA ||
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ch == 0xD) {
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switch (ch) {
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// Escape XML control characters.
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case '&':
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os << "&";
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break;
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case '<':
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os << "<";
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break;
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case '>':
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os << ">";
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break;
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case '"':
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os << (self.DoQuotes ? """ : "\"");
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break;
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case '\'':
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os << (self.DoQuotes ? "'" : "'");
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break;
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case '\r':
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break; // Ignore CR
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// Print the UTF-8 character.
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default:
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os.write(first, next - first);
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break;
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}
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} else {
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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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} else {
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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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