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117 lines
3.9 KiB
C++
117 lines
3.9 KiB
C++
// Copyright (c) 2018
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE
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//
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// @license: http://www.opensource.org/licenses/mit-license.php
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// @author: see AUTHORS file
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#include <xlnt/drawing/spreadsheet_drawing.hpp>
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#include <detail/constants.hpp>
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#include <detail/external/include_libstudxml.hpp>
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namespace {
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// copy elements to the serializer provided and extract the embed ids
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// from blip elements
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std::vector<std::string> copy_and_extract(xml::parser &p, xml::serializer &s)
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{
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std::vector<std::string> embed_ids;
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int nest_level = 0;
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while (nest_level > 0 || (p.peek() != xml::parser::event_type::end_element && p.peek() != xml::parser::event_type::eof))
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{
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switch (p.next())
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{
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case xml::parser::start_element: {
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++nest_level;
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auto attribs = p.attribute_map();
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auto current_ns = p.namespace_();
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s.start_element(p.qname());
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s.namespace_decl(current_ns, p.prefix());
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if (p.qname().name() == "blip")
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{
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embed_ids.push_back(attribs.at(xml::qname(xlnt::constants::ns("r"), "embed")).value);
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}
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p.peek();
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auto new_ns = p.namespace_();
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if (new_ns != current_ns)
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{
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auto pref = p.prefix();
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s.namespace_decl(new_ns, pref);
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}
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for (auto &ele : attribs)
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{
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s.attribute(ele.first, ele.second.value);
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}
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break;
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}
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case xml::parser::end_element: {
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--nest_level;
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s.end_element();
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break;
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}
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case xml::parser::start_namespace_decl: {
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s.namespace_decl(p.namespace_(), p.prefix());
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break;
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}
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case xml::parser::end_namespace_decl: { // nothing required here
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break;
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}
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case xml::parser::characters: {
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s.characters(p.value());
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break;
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}
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case xml::parser::eof:
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return embed_ids;
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case xml::parser::start_attribute:
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case xml::parser::end_attribute:
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default:
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break;
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}
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}
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return embed_ids;
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}
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} // namespace
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namespace xlnt {
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namespace drawing {
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spreadsheet_drawing::spreadsheet_drawing(xml::parser &parser)
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{
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std::ostringstream serialization_stream;
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xml::serializer s(serialization_stream, "", 0);
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embed_ids_ = copy_and_extract(parser, s);
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serialized_value_ = serialization_stream.str();
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}
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// void spreadsheet_drawing::serialize(xml::serializer &serializer, const std::string& ns)
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void spreadsheet_drawing::serialize(xml::serializer &serializer)
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{
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std::istringstream ser(serialized_value_);
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xml::parser p(ser, "", xml::parser::receive_default);
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copy_and_extract(p, serializer);
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}
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std::vector<std::string> spreadsheet_drawing::get_embed_ids()
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{
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return embed_ids_;
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}
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} // namespace drawing
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} // namespace xlnt
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