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Diffstat (limited to '3rdParty/Boost/src/boost/property_tree/detail/xml_parser_write.hpp')
| -rw-r--r-- | 3rdParty/Boost/src/boost/property_tree/detail/xml_parser_write.hpp | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/property_tree/detail/xml_parser_write.hpp b/3rdParty/Boost/src/boost/property_tree/detail/xml_parser_write.hpp new file mode 100644 index 0000000..614854e --- /dev/null +++ b/3rdParty/Boost/src/boost/property_tree/detail/xml_parser_write.hpp @@ -0,0 +1,194 @@ +// ---------------------------------------------------------------------------- +// Copyright (C) 2002-2006 Marcin Kalicinski +// +// Distributed under the Boost Software License, Version 1.0. +// (See accompanying file LICENSE_1_0.txt or copy at +// http://www.boost.org/LICENSE_1_0.txt) +// +// For more information, see www.boost.org +// ---------------------------------------------------------------------------- +#ifndef BOOST_PROPERTY_TREE_DETAIL_XML_PARSER_WRITE_HPP_INCLUDED +#define BOOST_PROPERTY_TREE_DETAIL_XML_PARSER_WRITE_HPP_INCLUDED + +#include <boost/property_tree/ptree.hpp> +#include <boost/property_tree/detail/xml_parser_utils.hpp> +#include <string> +#include <ostream> +#include <iomanip> + +namespace boost { namespace property_tree { namespace xml_parser +{ + template<class Ch> + void write_xml_indent(std::basic_ostream<Ch> &stream, + int indent, + const xml_writer_settings<Ch> & settings + ) + { + stream << std::basic_string<Ch>(indent * settings.indent_count, settings.indent_char); + } + + template<class Ch> + void write_xml_comment(std::basic_ostream<Ch> &stream, + const std::basic_string<Ch> &s, + int indent, + bool separate_line, + const xml_writer_settings<Ch> & settings + ) + { + typedef typename std::basic_string<Ch> Str; + if (separate_line) + write_xml_indent(stream,indent,settings); + stream << Ch('<') << Ch('!') << Ch('-') << Ch('-'); + stream << s; + stream << Ch('-') << Ch('-') << Ch('>'); + if (separate_line) + stream << Ch('\n'); + } + + template<class Ch> + void write_xml_text(std::basic_ostream<Ch> &stream, + const std::basic_string<Ch> &s, + int indent, + bool separate_line, + const xml_writer_settings<Ch> & settings + ) + { + if (separate_line) + write_xml_indent(stream,indent,settings); + stream << encode_char_entities(s); + if (separate_line) + stream << Ch('\n'); + } + + template<class Ptree> + void write_xml_element(std::basic_ostream<typename Ptree::key_type::value_type> &stream, + const std::basic_string<typename Ptree::key_type::value_type> &key, + const Ptree &pt, + int indent, + const xml_writer_settings<typename Ptree::key_type::value_type> & settings) + { + + typedef typename Ptree::key_type::value_type Ch; + typedef typename std::basic_string<Ch> Str; + typedef typename Ptree::const_iterator It; + + bool want_pretty = settings.indent_count > 0; + // Find if elements present + bool has_elements = false; + bool has_attrs_only = pt.data().empty(); + for (It it = pt.begin(), end = pt.end(); it != end; ++it) + { + if (it->first != xmlattr<Ch>() ) + { + has_attrs_only = false; + if (it->first != xmltext<Ch>()) + { + has_elements = true; + break; + } + } + } + + // Write element + if (pt.data().empty() && pt.empty()) // Empty key + { + if (indent >= 0) + { + write_xml_indent(stream,indent,settings); + stream << Ch('<') << key << + Ch('/') << Ch('>'); + if (want_pretty) + stream << Ch('\n'); + } + } + else // Nonempty key + { + + // Write opening tag, attributes and data + if (indent >= 0) + { + + // Write opening brace and key + write_xml_indent(stream,indent,settings); + stream << Ch('<') << key; + + // Write attributes + if (optional<const Ptree &> attribs = pt.get_child_optional(xmlattr<Ch>())) + for (It it = attribs.get().begin(); it != attribs.get().end(); ++it) + stream << Ch(' ') << it->first << Ch('=') << + Ch('"') << it->second.template get_value<std::basic_string<Ch> >() << Ch('"'); + + if ( has_attrs_only ) + { + // Write closing brace + stream << Ch('/') << Ch('>'); + if (want_pretty) + stream << Ch('\n'); + } + else + { + // Write closing brace + stream << Ch('>'); + + // Break line if needed and if we want pretty-printing + if (has_elements && want_pretty) + stream << Ch('\n'); + } + } + + // Write data text, if present + if (!pt.data().empty()) + write_xml_text(stream, + pt.template get_value<std::basic_string<Ch> >(), + indent + 1, has_elements && want_pretty, settings); + + // Write elements, comments and texts + for (It it = pt.begin(); it != pt.end(); ++it) + { + if (it->first == xmlattr<Ch>()) + continue; + else if (it->first == xmlcomment<Ch>()) + write_xml_comment(stream, + it->second.template get_value<std::basic_string<Ch> >(), + indent + 1, want_pretty, settings); + else if (it->first == xmltext<Ch>()) + write_xml_text(stream, + it->second.template get_value<std::basic_string<Ch> >(), + indent + 1, has_elements && want_pretty, settings); + else + write_xml_element(stream, it->first, it->second, + indent + 1, settings); + } + + // Write closing tag + if (indent >= 0 && !has_attrs_only) + { + if (has_elements) + write_xml_indent(stream,indent,settings); + stream << Ch('<') << Ch('/') << key << Ch('>'); + if (want_pretty) + stream << Ch('\n'); + } + + } + } + + template<class Ptree> + void write_xml_internal(std::basic_ostream<typename Ptree::key_type::value_type> &stream, + const Ptree &pt, + const std::string &filename, + const xml_writer_settings<typename Ptree::key_type::value_type> & settings) + { + typedef typename Ptree::key_type::value_type Ch; + typedef typename std::basic_string<Ch> Str; + stream << detail::widen<Ch>("<?xml version=\"1.0\" encoding=\"") + << settings.encoding + << detail::widen<Ch>("\"?>\n"); + write_xml_element(stream, Str(), pt, -1, settings); + if (!stream) + BOOST_PROPERTY_TREE_THROW(xml_parser_error("write error", filename, 0)); + } + +} } } + +#endif |