forked from mia/Aegisub
96 lines
3.1 KiB
C++
96 lines
3.1 KiB
C++
// Copyright (c) 2014, Thomas Goyne <plorkyeran@aegisub.org>
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//
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// Permission to use, copy, modify, and distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice appear in all copies.
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//
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// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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//
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// Aegisub Project http://www.aegisub.org/
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#include "include/aegisub/subtitles_provider.h"
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#include "ass_dialogue.h"
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#include "ass_file.h"
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#include "ass_info.h"
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#include "ass_style.h"
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#include "factory_manager.h"
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#include "options.h"
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#include "subtitles_provider_csri.h"
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#include "subtitles_provider_libass.h"
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namespace {
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struct factory {
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std::string name;
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std::string subtype;
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std::unique_ptr<SubtitlesProvider> (*create)(std::string const& subtype, agi::BackgroundRunner *br);
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bool hidden;
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};
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std::vector<factory> const& factories() {
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static std::vector<factory> factories;
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if (factories.size()) return factories;
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#ifdef WITH_CSRI
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for (auto const& subtype : csri::List())
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factories.push_back(factory{"CSRI/" + subtype, subtype, csri::Create, false});
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#endif
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factories.push_back(factory{"libass", "", libass::Create, false});
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return factories;
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}
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}
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std::vector<std::string> SubtitlesProviderFactory::GetClasses() {
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return ::GetClasses(factories());
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}
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std::unique_ptr<SubtitlesProvider> SubtitlesProviderFactory::GetProvider(agi::BackgroundRunner *br) {
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auto preferred = OPT_GET("Subtitle/Provider")->GetString();
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auto sorted = GetSorted(factories(), preferred);
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std::string error;
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for (auto factory : sorted) {
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try {
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auto provider = factory->create(factory->subtype, br);
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if (provider) return provider;
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}
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catch (agi::UserCancelException const&) { throw; }
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catch (agi::Exception const& err) { error += factory->name + ": " + err.GetMessage() + "\n"; }
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catch (...) { error += factory->name + ": Unknown error\n"; }
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}
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throw error;
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}
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void SubtitlesProvider::LoadSubtitles(AssFile *subs, int time) {
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buffer.clear();
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auto push_header = [&](const char *str) {
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buffer.insert(buffer.end(), str, str + strlen(str));
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};
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auto push_line = [&](std::string const& str) {
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buffer.insert(buffer.end(), &str[0], &str[0] + str.size());
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buffer.push_back('\n');
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};
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push_header("[Script Info]\n");
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for (auto const& line : subs->Info)
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push_line(line.GetEntryData());
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push_header("[V4+ Styles]\n");
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for (auto const& line : subs->Styles)
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push_line(line.GetEntryData());
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push_header("[Events]\n");
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for (auto const& line : subs->Events) {
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if (!line.Comment && (time < 0 || !(line.Start > time || line.End <= time)))
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push_line(line.GetEntryData());
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}
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LoadSubtitles(&buffer[0], buffer.size());
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}
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