mirror of https://github.com/odrling/Aegisub
122 lines
3.8 KiB
C++
122 lines
3.8 KiB
C++
// Copyright (c) 2012, 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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/// @file thesaurus.cpp
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/// @brief Thesaurus implementation
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/// @ingroup thesaurus
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///
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#include "config.h"
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#include "thesaurus.h"
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#include "options.h"
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#include <boost/format.hpp>
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#include <boost/algorithm/string/case_conv.hpp>
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#include <libaegisub/fs.h>
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#include <libaegisub/log.h>
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#include <libaegisub/path.h>
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#include <libaegisub/thesaurus.h>
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Thesaurus::Thesaurus()
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: lang_listener(OPT_SUB("Tool/Thesaurus/Language", &Thesaurus::OnLanguageChanged, this))
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, dict_path_listener(OPT_SUB("Path/Dictionary", &Thesaurus::OnPathChanged, this))
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{
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OnLanguageChanged();
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}
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Thesaurus::~Thesaurus() {
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// Explicit empty destructor needed for scoped_ptr with incomplete types
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}
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std::vector<Thesaurus::Entry> Thesaurus::Lookup(std::string word) {
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if (!impl.get()) return {};
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boost::to_lower(word);
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return impl->Lookup(word);
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}
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std::vector<std::string> Thesaurus::GetLanguageList() const {
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if (!languages.empty()) return languages;
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std::vector<std::string> idx, dat;
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// Get list of dictionaries
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auto path = config::path->Decode("?data/dictionaries/");
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agi::fs::DirectoryIterator(path, "th_*.idx").GetAll(idx);
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agi::fs::DirectoryIterator(path, "th_*.dat").GetAll(dat);
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path = config::path->Decode(OPT_GET("Path/Dictionary")->GetString());
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agi::fs::DirectoryIterator(path, "th_*.idx").GetAll(idx);
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agi::fs::DirectoryIterator(path, "th_*.dat").GetAll(dat);
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if (idx.empty() || dat.empty()) return languages;
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sort(begin(idx), end(idx));
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sort(begin(dat), end(dat));
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// Drop extensions and the th_ prefix
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for (auto& fn : idx) fn = fn.substr(3, fn.size() - 7);
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for (auto& fn : dat) fn = fn.substr(3, fn.size() - 7);
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// Verify that each idx has a dat
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for (size_t i = 0, j = 0; i < idx.size() && j < dat.size(); ) {
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int cmp = idx[i].compare(dat[j]);
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if (cmp < 0) ++i;
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else if (cmp > 0) ++j;
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else {
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// Don't insert a language twice if it's in both the user dir and
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// the app's dir
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if (languages.empty() || dat[j] != languages.back())
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languages.push_back(dat[j]);
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++i;
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++j;
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}
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}
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return languages;
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}
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void Thesaurus::OnLanguageChanged() {
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impl.reset();
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auto language = OPT_GET("Tool/Thesaurus/Language")->GetString();
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if (language.empty()) return;
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auto path = config::path->Decode(OPT_GET("Path/Dictionary")->GetString() + "/");
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// Get index and data paths
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auto idxpath = path/str(boost::format("th_%s.idx") % language);
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auto datpath = path/str(boost::format("th_%s.dat") % language);
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// If they aren't in the user dictionary path, check the application directory
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if (!agi::fs::FileExists(idxpath) || !agi::fs::FileExists(datpath)) {
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path = config::path->Decode("?data/dictionaries/");
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idxpath = path/str(boost::format("th_%s.idx") % language);
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datpath = path/str(boost::format("th_%s.dat") % language);
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if (!agi::fs::FileExists(idxpath) || !agi::fs::FileExists(datpath)) return;
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}
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LOG_I("thesaurus/file") << "Using thesaurus: " << datpath;
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impl.reset(new agi::Thesaurus(datpath, idxpath));
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}
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void Thesaurus::OnPathChanged() {
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languages.clear();
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}
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