xlnt/source/packaging/manifest.cpp

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// Copyright (c) 2014-2016 Thomas Fussell
// Copyright (c) 2010-2015 openpyxl
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, WRISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE
//
// @license: http://www.opensource.org/licenses/mit-license.php
// @author: see AUTHORS file
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#include <algorithm>
#include <unordered_set>
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#include <xlnt/packaging/manifest.hpp>
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#include <xlnt/utils/exceptions.hpp>
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namespace xlnt {
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void manifest::clear()
{
default_content_types_.clear();
override_content_types_.clear();
relationships_.clear();
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}
path manifest::canonicalize(const std::vector<xlnt::relationship> &rels) const
{
xlnt::path relative;
for (auto component : rels)
{
if (component == rels.back())
{
relative = relative.append(component.target().path());
}
else
{
relative = relative.append(component.target().path().parent());
}
}
std::vector<std::string> absolute_parts;
for (const auto &component : relative.split())
{
if (component == ".") continue;
if (component == "..")
{
absolute_parts.pop_back();
continue;
}
absolute_parts.push_back(component);
}
xlnt::path result;
for (const auto &component : absolute_parts)
{
result = result.append(component);
}
return result;
}
bool manifest::has_relationship(const path &part, relationship_type type) const
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{
if (relationships_.find(part) == relationships_.end()) return false;
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for (const auto &rel : relationships_.at(part))
{
if (rel.second.type() == type) return true;
}
return false;
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}
relationship manifest::relationship(const path &part, relationship_type type) const
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{
if (relationships_.find(part) == relationships_.end()) throw key_not_found();
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for (const auto &rel : relationships_.at(part))
{
if (rel.second.type() == type) return rel.second;
}
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throw key_not_found();
}
std::vector<xlnt::relationship> manifest::relationships(const path &part, relationship_type type) const
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{
std::vector<xlnt::relationship> matches;
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if (has_relationship(part, type))
{
for (const auto &rel : relationships_.at(part))
{
if (rel.second.type() == type)
{
matches.push_back(rel.second);
}
}
}
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return matches;
}
std::string manifest::content_type(const path &part) const
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{
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auto absolute = part.resolve(path("/"));
if (has_override_type(absolute))
{
return override_type(absolute);
}
if (has_default_type(part.extension()))
{
return default_type(part.extension());
}
throw key_not_found();
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}
void manifest::register_override_type(const path &part, const std::string &content_type)
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{
override_content_types_[part] = content_type;
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}
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void manifest::unregister_override_type(const path &part)
{
override_content_types_.erase(part);
}
std::vector<path> manifest::parts_with_overriden_types() const
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{
std::vector<path> overriden;
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for (const auto &part : override_content_types_)
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{
overriden.push_back(part.first);
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}
return overriden;
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}
std::vector<relationship> manifest::relationships(const path &part) const
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{
if (relationships_.find(part) == relationships_.end())
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{
return {};
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}
std::vector<xlnt::relationship> relationships;
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for (const auto &rel : relationships_.at(part))
{
relationships.push_back(rel.second);
}
return relationships;
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}
relationship manifest::relationship(const path &part, const std::string &rel_id) const
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{
if (relationships_.find(part) == relationships_.end())
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{
throw key_not_found();
}
for (const auto &rel : relationships_.at(part))
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{
if (rel.second.id() == rel_id)
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{
return rel.second;
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}
}
throw key_not_found();
}
std::vector<path> manifest::parts() const
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{
std::unordered_set<path> parts;
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for (const auto &part_rels : relationships_)
{
parts.insert(part_rels.first);
for (const auto &rel : part_rels.second)
{
if (rel.second.target_mode() == target_mode::internal)
{
parts.insert(rel.second.target().path());
}
}
}
return std::vector<path>(parts.begin(), parts.end());
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}
std::string manifest::register_relationship(const uri &source, relationship_type type, const uri &target, target_mode mode)
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{
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xlnt::relationship rel(next_relationship_id(source.path()), type, source, target, mode);
return register_relationship(rel);
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}
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std::string manifest::register_relationship(const class relationship &rel)
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{
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relationships_[rel.source().path()][rel.id()] = rel;
return rel.id();
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}
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void manifest::unregister_relationship(const uri &source, const std::string &rel_id)
{
relationships_.at(source.path()).erase(rel_id);
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}
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bool manifest::has_default_type(const std::string &extension) const
{
return default_content_types_.find(extension) != default_content_types_.end();
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}
std::vector<std::string> manifest::extensions_with_default_types() const
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{
std::vector<std::string> extensions;
for (const auto &extension_type_pair : default_content_types_)
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{
extensions.push_back(extension_type_pair.first);
}
return extensions;
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}
std::string manifest::default_type(const std::string &extension) const
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{
if (default_content_types_.find(extension) == default_content_types_.end())
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{
throw key_not_found();
}
return default_content_types_.at(extension);
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}
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void manifest::register_default_type(const std::string &extension, const std::string &content_type)
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{
default_content_types_[extension] = content_type;
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}
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void manifest::unregister_default_type(const std::string &extension)
{
default_content_types_.erase(extension);
}
std::string manifest::next_relationship_id(const path &part) const
{
if (relationships_.find(part) == relationships_.end()) return "rId1";
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std::size_t index = 1;
const auto &part_rels = relationships_.at(part);
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while (part_rels.find("rId" + std::to_string(index)) != part_rels.end())
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{
++index;
}
return "rId" + std::to_string(index);
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}
bool manifest::has_override_type(const xlnt::path &part) const
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{
return override_content_types_.find(part) != override_content_types_.end();
}
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std::string manifest::override_type(const xlnt::path &part) const
{
if (!has_override_type(part))
{
throw key_not_found();
}
return override_content_types_.at(part);
}
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} // namespace xlnt