Aegisub/src/ass_style_storage.cpp
2014-05-04 13:03:04 +02:00

127 lines
4.1 KiB
C++

// Copyright (c) 2005, Rodrigo Braz Monteiro
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
// * Neither the name of the Aegisub Group nor the names of its contributors
// may be used to endorse or promote products derived from this software
// without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
// Aegisub Project http://www.aegisub.org/
/// @file ass_style_storage.cpp
/// @brief Manage stores of styles
/// @ingroup style_editor
///
#include "ass_style_storage.h"
#include "ass_file.h"
#include "ass_style.h"
#include "options.h"
#include <libaegisub/fs.h>
#include <libaegisub/io.h>
#include <libaegisub/line_iterator.h>
#include <libaegisub/make_unique.h>
#include <libaegisub/path.h>
#include <boost/algorithm/string/predicate.hpp>
AssStyleStorage::~AssStyleStorage() { }
void AssStyleStorage::clear() { style.clear(); }
void AssStyleStorage::push_back(std::unique_ptr<AssStyle> new_style) { style.emplace_back(std::move(new_style)); }
void AssStyleStorage::Save() const {
if (file.empty()) return;
agi::fs::CreateDirectory(file.parent_path());
agi::io::Save out(file);
out.Get() << "\xEF\xBB\xBF";
for (auto const& cur : style)
out.Get() << cur->GetEntryData() << std::endl;
}
void AssStyleStorage::Load(agi::fs::path const& filename) {
file = filename;
clear();
try {
auto in = agi::io::Open(file);
for (auto const& line : agi::line_iterator<std::string>(*in)) {
try {
style.emplace_back(agi::make_unique<AssStyle>(line));
} catch(...) {
/* just ignore invalid lines for now */
}
}
}
catch (agi::fs::FileNotAccessible const&) {
// Just treat a missing file as an empty file
}
}
void AssStyleStorage::LoadCatalog(std::string const& catalogname) {
auto filename = config::path->Decode("?user/catalog/" + catalogname + ".sty");
Load(filename);
}
void AssStyleStorage::Delete(int idx) {
style.erase(style.begin() + idx);
}
std::vector<std::string> AssStyleStorage::GetNames() {
std::vector<std::string> names;
for (auto const& cur : style)
names.emplace_back(cur->name);
return names;
}
AssStyle *AssStyleStorage::GetStyle(std::string const& name) {
for (auto& cur : style) {
if (boost::iequals(cur->name, name))
return cur.get();
}
return nullptr;
}
std::vector<std::string> AssStyleStorage::GetCatalogs() {
std::vector<std::string> catalogs;
for (auto const& file : agi::fs::DirectoryIterator(config::path->Decode("?user/catalog/"), "*.sty"))
catalogs.push_back(agi::fs::path(file).stem().string());
return catalogs;
}
bool AssStyleStorage::CatalogExists(std::string const& catalogname) {
if (catalogname.empty()) return false;
auto filename = config::path->Decode("?user/catalog/" + catalogname + ".sty");
return agi::fs::FileExists(filename);
}
void AssStyleStorage::ReplaceIntoFile(AssFile &file) {
for (auto const& s : style) {
delete file.GetStyle(s->name);
file.Styles.push_back(*new AssStyle(*s));
}
}