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