xlnt/source/packaging/manifest.cpp

348 lines
9.2 KiB
C++
Raw Normal View History

2018-01-22 22:38:48 +08:00
// Copyright (c) 2014-2018 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
2015-11-01 22:48:51 +08:00
#include <algorithm>
#include <unordered_set>
2015-11-01 22:48:51 +08:00
#include <xlnt/packaging/manifest.hpp>
2016-08-05 13:52:05 +08:00
#include <xlnt/utils/exceptions.hpp>
2015-10-30 01:46:56 +08:00
namespace xlnt {
2016-07-30 05:50:33 +08:00
void manifest::clear()
{
default_content_types_.clear();
override_content_types_.clear();
relationships_.clear();
2016-07-30 05:50:33 +08:00
}
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 &path, relationship_type type) const
2016-08-05 13:52:05 +08:00
{
auto rels = relationships_.find(path);
if (rels == relationships_.end())
{
return false;
}
return rels->second.end() != std::find_if(rels->second.begin(), rels->second.end(),
[type](const std::pair<std::string, xlnt::relationship> &rel) { return rel.second.type() == type; });
}
bool manifest::has_relationship(const path &path, const std::string &rel_id) const
{
auto rels = relationships_.find(path);
if (rels == relationships_.end())
{
return false;
}
return rels->second.find(rel_id) != rels->second.end();
2016-08-05 13:52:05 +08:00
}
relationship manifest::relationship(const path &part, relationship_type type) const
2016-08-05 13:52:05 +08:00
{
if (relationships_.find(part) == relationships_.end()) throw key_not_found();
2016-08-05 13:52:05 +08:00
for (const auto &rel : relationships_.at(part))
{
if (rel.second.type() == type) return rel.second;
}
throw key_not_found();
2016-08-05 13:52:05 +08:00
}
std::vector<xlnt::relationship> manifest::relationships(const path &part, relationship_type type) const
2016-08-05 13:52:05 +08:00
{
std::vector<xlnt::relationship> matches;
2016-08-05 13:52:05 +08:00
if (has_relationship(part, type))
{
for (const auto &rel : relationships_.at(part))
{
if (rel.second.type() == type)
{
matches.push_back(rel.second);
}
}
}
2016-08-05 13:52:05 +08:00
return matches;
2016-08-05 13:52:05 +08:00
}
std::string manifest::content_type(const path &part) const
2016-08-05 13:52:05 +08:00
{
auto absolute = part.resolve(path("/"));
2016-08-13 11:06:25 +08:00
if (has_override_type(absolute))
{
return override_type(absolute);
}
if (has_default_type(part.extension()))
{
return default_type(part.extension());
}
throw key_not_found();
2016-08-05 13:52:05 +08:00
}
void manifest::register_override_type(const path &part, const std::string &content_type)
2016-08-05 13:52:05 +08:00
{
override_content_types_[part] = content_type;
2016-08-05 13:52:05 +08:00
}
2016-10-23 01:53:44 +08:00
void manifest::unregister_override_type(const path &part)
{
override_content_types_.erase(part);
2016-10-23 01:53:44 +08:00
}
std::vector<path> manifest::parts_with_overriden_types() const
2016-08-05 13:52:05 +08:00
{
std::vector<path> overriden;
2016-08-05 13:52:05 +08:00
for (const auto &part : override_content_types_)
{
overriden.push_back(part.first);
}
2016-08-05 13:52:05 +08:00
return overriden;
2016-08-05 13:52:05 +08:00
}
std::vector<relationship> manifest::relationships(const path &part) const
2016-08-05 13:52:05 +08:00
{
if (relationships_.find(part) == relationships_.end())
{
return {};
}
2016-08-05 13:52:05 +08:00
std::vector<xlnt::relationship> relationships;
2016-08-05 13:52:05 +08:00
for (const auto &rel : relationships_.at(part))
{
relationships.push_back(rel.second);
}
return relationships;
2016-08-05 13:52:05 +08:00
}
relationship manifest::relationship(const path &part, const std::string &rel_id) const
2015-10-30 01:46:56 +08:00
{
if (relationships_.find(part) == relationships_.end())
{
throw key_not_found();
}
for (const auto &rel : relationships_.at(part))
{
if (rel.second.id() == rel_id)
{
return rel.second;
}
}
throw key_not_found();
2016-08-05 13:52:05 +08:00
}
std::vector<path> manifest::parts() const
2016-08-05 13:52:05 +08:00
{
std::unordered_set<path> parts;
2015-10-30 01:46:56 +08:00
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());
2015-10-31 06:54:04 +08:00
}
std::string manifest::register_relationship(const uri &source,
relationship_type type, const uri &target, target_mode mode)
2015-10-31 06:54:04 +08:00
{
2016-12-04 20:29:10 +08:00
xlnt::relationship rel(next_relationship_id(source.path()), type, source, target, mode);
return register_relationship(rel);
2015-10-31 06:54:04 +08:00
}
2016-12-04 20:29:10 +08:00
std::string manifest::register_relationship(const class relationship &rel)
2015-10-31 06:54:04 +08:00
{
2016-12-04 20:29:10 +08:00
relationships_[rel.source().path()][rel.id()] = rel;
return rel.id();
2016-08-05 13:52:05 +08:00
}
std::unordered_map<std::string, std::string> manifest::unregister_relationship(const uri &source, const std::string &rel_id)
2016-10-23 01:53:44 +08:00
{
// This shouldn't happen, but just in case...
if (rel_id.substr(0, 3) != "rId" || rel_id.size() < 4)
{
throw xlnt::invalid_parameter();
}
std::unordered_map<std::string, std::string> id_map;
auto rel_index = static_cast<std::size_t>(std::stoull(rel_id.substr(3)));
auto &part_rels = relationships_.at(source.path());
for (auto i = rel_index; i <= part_rels.size() + 1; ++i)
{
auto old_id = "rId" + std::to_string(i);
// Don't re-add the relationship to be deleted
if (i > rel_index)
{
// Shift all relationships with IDs greater than the deleted one
// down by one (e.g. rId7->rId6).
auto new_id = "rId" + std::to_string(i - 1);
const auto &old_rel = part_rels.at(old_id);
register_relationship(xlnt::relationship(new_id, old_rel.type(),
old_rel.source(), old_rel.target(), old_rel.target_mode()));
id_map[old_id] = new_id;
}
part_rels.erase(old_id);
}
return id_map;
2016-10-23 01:53:44 +08:00
}
2016-08-05 13:52:05 +08:00
bool manifest::has_default_type(const std::string &extension) const
{
return default_content_types_.find(extension) != default_content_types_.end();
2016-08-05 13:52:05 +08:00
}
std::vector<std::string> manifest::extensions_with_default_types() const
2016-08-05 13:52:05 +08:00
{
std::vector<std::string> extensions;
2016-08-05 13:52:05 +08:00
for (const auto &extension_type_pair : default_content_types_)
{
extensions.push_back(extension_type_pair.first);
}
2016-08-05 13:52:05 +08:00
return extensions;
2015-10-30 01:46:56 +08:00
}
std::string manifest::default_type(const std::string &extension) const
2015-10-30 01:46:56 +08:00
{
if (default_content_types_.find(extension) == default_content_types_.end())
{
throw key_not_found();
}
2016-08-05 13:52:05 +08:00
return default_content_types_.at(extension);
2015-10-30 01:46:56 +08:00
}
2016-08-05 13:52:05 +08:00
void manifest::register_default_type(const std::string &extension, const std::string &content_type)
2015-10-30 01:46:56 +08:00
{
default_content_types_[extension] = content_type;
2015-10-30 01:46:56 +08:00
}
2016-08-05 13:52:05 +08:00
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";
std::size_t index = 1;
const auto &part_rels = relationships_.at(part);
2016-08-05 13:52:05 +08:00
while (part_rels.find("rId" + std::to_string(index)) != part_rels.end())
{
++index;
}
2016-08-05 13:52:05 +08:00
return "rId" + std::to_string(index);
2016-08-05 13:52:05 +08:00
}
bool manifest::has_override_type(const xlnt::path &part) const
2016-08-05 13:52:05 +08:00
{
return override_content_types_.find(part) != override_content_types_.end();
}
2016-08-05 13:52:05 +08:00
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);
}
bool manifest::operator==(const manifest &other) const
{
return default_content_types_ == other.default_content_types_
&& override_content_types_ == other.override_content_types_
&& relationships_ == other.relationships_;
}
2015-10-30 01:46:56 +08:00
} // namespace xlnt