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Viewing changes to xml_utils.cpp

  • Committer: Bazaar Package Importer
  • Author(s): Ben Hutchings
  • Date: 2006-10-15 02:05:46 UTC
  • Revision ID: james.westby@ubuntu.com-20061015020546-0t2uoscwlmwyrp5q
Tags: upstream-1.0
Import upstream version 1.0

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xml_utils.cpp
 
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// Copyright 2005-6 Ben Hutchings <ben@decadent.org.uk>.
 
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// See the file "COPYING" for licence details.
 
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#include <cassert>
 
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#include <cstddef>
 
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#include "xml_utils.hpp"
 
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std::string xml_escape(const std::string & str)
 
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{
 
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    std::string result;
 
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    std::size_t begin = 0;
 
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    for (;;)
 
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    {
 
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        std::size_t end = str.find_first_of("\"&'<>", begin);
 
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        result.append(str, begin, end - begin);
 
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        if (end == std::string::npos)
 
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            return result;
 
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        const char * entity = NULL;
 
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        switch (str[end])
 
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        {
 
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        case '"':  entity = "&quot;"; break;
 
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        case '&':  entity = "&amp;";  break;
 
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        case '\'': entity = "&apos;"; break;
 
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        case '<':  entity = "&lt;";   break;
 
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        case '>':  entity = "&gt;";   break;
 
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        }
 
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        assert(entity);
 
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        result.append(entity);
 
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        begin = end + 1;
 
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    }
 
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}