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109 lines
3.7 KiB
C++
109 lines
3.7 KiB
C++
// Copyright (c) 2014-2016 Thomas Fussell
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// Copyright (c) 2010-2015 openpyxl
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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, WRISING 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 <pugixml.hpp>
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#include <sstream>
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#include <detail/constants.hpp>
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#include <detail/relationship_serializer.hpp>
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#include <xlnt/packaging/relationship.hpp>
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#include <xlnt/packaging/zip_file.hpp>
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namespace {
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std::string make_rels_name(const std::string &target)
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{
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const char sep = '/';
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if (target.empty() || target.back() == sep)
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{
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return target + "_rels/.rels";
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}
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auto sep_pos = target.find_last_of(sep);
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auto first_part = target.substr(0, sep_pos + 1);
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auto last_part = target.substr(sep_pos + 1);
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return first_part + "_rels/" + last_part + ".rels";
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}
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}
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namespace xlnt {
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relationship_serializer::relationship_serializer(zip_file &archive) : archive_(archive)
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{
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}
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std::vector<relationship> relationship_serializer::read_relationships(const std::string &target)
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{
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pugi::xml_document xml;
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xml.load(archive_.read(make_rels_name(target)).c_str());
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auto root_node = xml.child("Relationships");
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std::vector<relationship> relationships;
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for (auto relationship_node : root_node.children("Relationship"))
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{
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std::string id = relationship_node.attribute("Id").value();
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std::string type = relationship_node.attribute("Type").value();
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std::string rel_target = relationship_node.attribute("Target").value();
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relationships.push_back(xlnt::relationship(type, id, rel_target));
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}
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return relationships;
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}
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bool relationship_serializer::write_relationships(const std::vector<relationship> &relationships,
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const std::string &target)
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{
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pugi::xml_document xml;
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auto root_node = xml.append_child("Relationships");
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root_node.append_attribute("xmlns").set_value(constants::Namespace("relationships").c_str());
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for (const auto &relationship : relationships)
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{
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auto relationship_node = root_node.append_child("Relationship");
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relationship_node.append_attribute("Id").set_value(relationship.get_id().c_str());
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relationship_node.append_attribute("Type").set_value(relationship.get_type_string().c_str());
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relationship_node.append_attribute("Target").set_value(relationship.get_target_uri().c_str());
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if (relationship.get_target_mode() == target_mode::external)
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{
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relationship_node.append_attribute("TargetMode").set_value("External");
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}
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}
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std::ostringstream ss;
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xml.save(ss);
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archive_.writestr(make_rels_name(target), ss.str());
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return true;
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}
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}
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