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