Aegisub/src/ass_style_storage.cpp

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// 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
///
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#include "config.h"
#include "ass_style_storage.h"
#include "ass_style.h"
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#include <libaegisub/fs.h>
#include <libaegisub/io.h>
#include <libaegisub/line_iterator.h>
#include <libaegisub/util.h>
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#include <boost/algorithm/string/predicate.hpp>
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#include <fstream>
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AssStyleStorage::~AssStyleStorage() { }
void AssStyleStorage::clear() { style.clear(); }
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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;
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agi::fs::CreateDirectory(file.parent_path());
agi::io::Save out(file);
out.Get() << "\xEF\xBB\xBF";
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for (auto const& cur : style)
out.Get() << cur->GetEntryData() << std::endl;
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}
void AssStyleStorage::Load(agi::fs::path const& filename) {
file = filename;
clear();
try {
std::unique_ptr<std::ifstream> in(agi::io::Open(file));
for (auto const& line : agi::line_iterator<std::string>(*in)) {
try {
style.emplace_back(agi::util::make_unique<AssStyle>(line));
} catch(...) {
/* just ignore invalid lines for now */
}
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}
}
catch (agi::fs::FileNotAccessible const&) {
// Just treat a missing file as an empty file
}
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}
void AssStyleStorage::Delete(int idx) {
style.erase(style.begin() + idx);
}
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std::vector<std::string> AssStyleStorage::GetNames() {
std::vector<std::string> names;
for (auto const& cur : style)
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names.emplace_back(cur->name);
return names;
}
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AssStyle *AssStyleStorage::GetStyle(std::string const& name) {
for (auto& cur : style) {
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if (boost::iequals(cur->name, name))
return cur.get();
}
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return nullptr;
}