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/*
* Copyright 2019 by its authors. See AUTHORS.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef EOLIAN_CXX_HTML_ESCAPED_STRING_HH
#define EOLIAN_CXX_HTML_ESCAPED_STRING_HH
#include <cstdlib>
#include <cstring>
#include "grammar/generator.hpp"
#include "grammar/attributes.hpp"
#include "grammar/string.hpp"
namespace efl { namespace eolian { namespace grammar {
struct html_escaped_string_generator
{
template<typename OutputIterator, typename Context>
bool generate(OutputIterator sink, std::string const& input, Context const& context) const
{
std::string out;
out.reserve(input.size());
for (size_t pos = 0; pos != input.size(); ++pos)
{
switch(input[pos])
{
case '&': out.append("&"); break;
case '\"': out.append("""); break;
case '\'': out.append("'"); break;
case '<': out.append("<"); break;
case '>': out.append(">"); break;
case '\\': if (pos < input.size() - 1) pos++;
// fall through
default: out.append(&input[pos], 1); break;
}
}
return as_generator(string).generate(sink, out, context);
}
};
struct html_escaped_string_generator const html_escaped_string = {};
template <>
struct is_eager_generator<html_escaped_string_generator> : std::true_type {};
template <>
struct is_generator<html_escaped_string_generator> : std::true_type {};
namespace type_traits {
template <>
struct attributes_needed<html_escaped_string_generator> : std::integral_constant<int, 1> {};
}
} } }
#endif
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