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549 lines
16 KiB
549 lines
16 KiB
/*************************************************************************** |
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* Copyright (C) 2008-2014 by Andrzej Rybczak * |
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* electricityispower@gmail.com * |
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* * |
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* This program is free software; you can redistribute it and/or modify * |
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* it under the terms of the GNU General Public License as published by * |
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* the Free Software Foundation; either version 2 of the License, or * |
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* (at your option) any later version. * |
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* * |
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* This program is distributed in the hope that it will be useful, * |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of * |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
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* GNU General Public License for more details. * |
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* * |
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* You should have received a copy of the GNU General Public License * |
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* along with this program; if not, write to the * |
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* Free Software Foundation, Inc., * |
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* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. * |
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***************************************************************************/ |
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#include <array> |
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#include <boost/bind.hpp> |
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#include <boost/range/detail/any_iterator.hpp> |
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#include <iomanip> |
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#include "display.h" |
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#include "global.h" |
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#include "helpers.h" |
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#include "menu_impl.h" |
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#include "playlist.h" |
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#include "search_engine.h" |
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#include "settings.h" |
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#include "status.h" |
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#include "statusbar.h" |
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#include "utility/comparators.h" |
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#include "title.h" |
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#include "screen_switcher.h" |
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using Global::MainHeight; |
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using Global::MainStartY; |
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SearchEngine *mySearcher; |
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namespace { |
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/*const std::array<const std::string, 11> constraintsNames = {{ |
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"Any", |
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"Artist", |
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"Album Artist", |
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"Title", |
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"Album", |
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"Filename", |
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"Composer", |
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"Performer", |
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"Genre", |
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"Date", |
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"Comment" |
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}}; |
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const std::array<const char *, 3> searchModes = {{ |
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"Match if tag contains searched phrase (no regexes)", |
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"Match if tag contains searched phrase (regexes supported)", |
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"Match only if both values are the same" |
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}}; |
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namespace pos { |
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const size_t searchIn = constraintsNames.size()-1+1+1; // separated |
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const size_t searchMode = searchIn+1; |
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const size_t search = searchMode+1+1; // separated |
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const size_t reset = search+1; |
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}*/ |
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std::string SEItemToString(const SEItem &ei); |
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bool SEItemEntryMatcher(const boost::regex &rx, const NC::Menu<SEItem>::Item &item, bool filter); |
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} |
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const char *SearchEngine::ConstraintsNames[] = |
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{ |
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"Any", |
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"Artist", |
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"Album Artist", |
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"Title", |
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"Album", |
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"Filename", |
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"Composer", |
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"Performer", |
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"Genre", |
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"Date", |
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"Comment" |
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}; |
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const char *SearchEngine::SearchModes[] = |
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{ |
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"Match if tag contains searched phrase (no regexes)", |
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"Match if tag contains searched phrase (regexes supported)", |
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"Match only if both values are the same", |
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0 |
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}; |
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size_t SearchEngine::StaticOptions = 20; |
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size_t SearchEngine::ResetButton = 16; |
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size_t SearchEngine::SearchButton = 15; |
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SearchEngine::SearchEngine() |
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: Screen(NC::Menu<SEItem>(0, MainStartY, COLS, MainHeight, "", Config.main_color, NC::Border())) |
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{ |
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w.setHighlightColor(Config.main_highlight_color); |
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w.cyclicScrolling(Config.use_cyclic_scrolling); |
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w.centeredCursor(Config.centered_cursor); |
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w.setItemDisplayer(boost::bind(Display::SEItems, _1, proxySongList())); |
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w.setSelectedPrefix(Config.selected_item_prefix); |
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w.setSelectedSuffix(Config.selected_item_suffix); |
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SearchMode = &SearchModes[Config.search_engine_default_search_mode]; |
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} |
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void SearchEngine::resize() |
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{ |
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size_t x_offset, width; |
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getWindowResizeParams(x_offset, width); |
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w.resize(width, MainHeight); |
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w.moveTo(x_offset, MainStartY); |
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switch (Config.search_engine_display_mode) |
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{ |
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case DisplayMode::Columns: |
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if (Config.titles_visibility) |
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{ |
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w.setTitle(Display::Columns(w.getWidth())); |
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break; |
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} |
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case DisplayMode::Classic: |
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w.setTitle(""); |
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} |
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hasToBeResized = 0; |
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} |
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void SearchEngine::switchTo() |
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{ |
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SwitchTo::execute(this); |
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if (w.empty()) |
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Prepare(); |
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markSongsInPlaylist(proxySongList()); |
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drawHeader(); |
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} |
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std::wstring SearchEngine::title() |
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{ |
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return L"Search engine"; |
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} |
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void SearchEngine::enterPressed() |
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{ |
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size_t option = w.choice(); |
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if (option > ConstraintsNumber && option < SearchButton) |
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w.current()->value().buffer().clear(); |
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if (option < ConstraintsNumber) |
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{ |
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Statusbar::ScopedLock slock; |
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std::string constraint = ConstraintsNames[option]; |
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Statusbar::put() << NC::Format::Bold << constraint << NC::Format::NoBold << ": "; |
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itsConstraints[option] = Global::wFooter->prompt(itsConstraints[option]); |
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w.current()->value().buffer().clear(); |
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constraint.resize(13, ' '); |
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w.current()->value().buffer() << NC::Format::Bold << constraint << NC::Format::NoBold << ": "; |
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ShowTag(w.current()->value().buffer(), itsConstraints[option]); |
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} |
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else if (option == ConstraintsNumber+1) |
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{ |
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Config.search_in_db = !Config.search_in_db; |
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w.current()->value().buffer() << NC::Format::Bold << "Search in:" << NC::Format::NoBold << ' ' << (Config.search_in_db ? "Database" : "Current playlist"); |
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} |
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else if (option == ConstraintsNumber+2) |
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{ |
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if (!*++SearchMode) |
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SearchMode = &SearchModes[0]; |
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w.current()->value().buffer() << NC::Format::Bold << "Search mode:" << NC::Format::NoBold << ' ' << *SearchMode; |
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} |
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else if (option == SearchButton) |
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{ |
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Statusbar::print("Searching..."); |
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if (w.size() > StaticOptions) |
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Prepare(); |
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Search(); |
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if (w.rbegin()->value().isSong()) |
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{ |
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if (Config.search_engine_display_mode == DisplayMode::Columns) |
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w.setTitle(Config.titles_visibility ? Display::Columns(w.getWidth()) : ""); |
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size_t found = w.size()-SearchEngine::StaticOptions; |
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found += 3; // don't count options inserted below |
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w.insertSeparator(ResetButton+1); |
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w.insertItem(ResetButton+2, SEItem(), 1, 1); |
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w.at(ResetButton+2).value().mkBuffer() << Config.color1 << "Search results: " << Config.color2 << "Found " << found << (found > 1 ? " songs" : " song") << NC::Color::Default; |
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w.insertSeparator(ResetButton+3); |
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markSongsInPlaylist(proxySongList()); |
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Statusbar::print("Searching finished"); |
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if (Config.block_search_constraints_change) |
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for (size_t i = 0; i < StaticOptions-4; ++i) |
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w.at(i).setInactive(true); |
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w.scroll(NC::Scroll::Down); |
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w.scroll(NC::Scroll::Down); |
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} |
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else |
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Statusbar::print("No results found"); |
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} |
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else if (option == ResetButton) |
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{ |
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reset(); |
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} |
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else |
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addSongToPlaylist(w.current()->value().song(), true); |
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} |
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void SearchEngine::spacePressed() |
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{ |
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if (!w.current()->value().isSong()) |
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return; |
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if (Config.space_selects) |
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{ |
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w.current()->setSelected(!w.current()->isSelected()); |
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w.scroll(NC::Scroll::Down); |
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return; |
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} |
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addSongToPlaylist(w.current()->value().song(), false); |
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w.scroll(NC::Scroll::Down); |
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} |
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void SearchEngine::mouseButtonPressed(MEVENT me) |
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{ |
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if (w.empty() || !w.hasCoords(me.x, me.y) || size_t(me.y) >= w.size()) |
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return; |
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if (me.bstate & (BUTTON1_PRESSED | BUTTON3_PRESSED)) |
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{ |
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if (!w.Goto(me.y)) |
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return; |
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w.refresh(); |
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if ((me.bstate & BUTTON3_PRESSED || w.choice() > ConstraintsNumber) && w.choice() < StaticOptions) |
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enterPressed(); |
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else if (w.choice() >= StaticOptions) |
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{ |
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if (me.bstate & BUTTON1_PRESSED) |
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{ |
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size_t pos = w.choice(); |
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spacePressed(); |
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if (pos < w.size()-1) |
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w.scroll(NC::Scroll::Up); |
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} |
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else |
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enterPressed(); |
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} |
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} |
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else |
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Screen<WindowType>::mouseButtonPressed(me); |
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} |
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/***********************************************************************/ |
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bool SearchEngine::allowsSearching() |
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{ |
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return w.rbegin()->value().isSong(); |
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} |
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void SearchEngine::setSearchConstraint(const std::string &constraint) |
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{ |
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m_search_predicate = RegexItemFilter<SEItem>( |
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boost::regex(constraint, Config.regex_type), |
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boost::bind(SEItemEntryMatcher, _1, _2, false) |
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); |
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} |
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void SearchEngine::clearConstraint() |
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{ |
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m_search_predicate.clear(); |
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} |
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bool SearchEngine::find(SearchDirection direction, bool wrap, bool skip_current) |
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{ |
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return search(w, m_search_predicate, direction, wrap, skip_current); |
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} |
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/***********************************************************************/ |
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ProxySongList SearchEngine::proxySongList() |
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{ |
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return ProxySongList(w, [](NC::Menu<SEItem>::Item &item) -> MPD::Song * { |
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MPD::Song *ptr = 0; |
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if (!item.isSeparator() && item.value().isSong()) |
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ptr = &item.value().song(); |
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return ptr; |
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}); |
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} |
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bool SearchEngine::allowsSelection() |
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{ |
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return w.current()->value().isSong(); |
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} |
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void SearchEngine::reverseSelection() |
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{ |
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reverseSelectionHelper(w.begin()+std::min(StaticOptions, w.size()), w.end()); |
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} |
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std::vector<MPD::Song> SearchEngine::getSelectedSongs() |
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{ |
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std::vector<MPD::Song> result; |
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for (auto it = w.begin(); it != w.end(); ++it) |
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{ |
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if (it->isSelected()) |
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{ |
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assert(it->value().isSong()); |
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result.push_back(it->value().song()); |
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} |
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} |
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// if no item is selected, add current one |
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if (result.empty() && !w.empty()) |
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{ |
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assert(w.current()->value().isSong()); |
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result.push_back(w.current()->value().song()); |
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} |
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return result; |
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} |
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/***********************************************************************/ |
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void SearchEngine::Prepare() |
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{ |
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w.setTitle(""); |
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w.clear(); |
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w.resizeList(StaticOptions-3); |
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w.at(ConstraintsNumber).setSeparator(true); |
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w.at(SearchButton-1).setSeparator(true); |
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for (size_t i = 0; i < ConstraintsNumber; ++i) |
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{ |
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std::string constraint = ConstraintsNames[i]; |
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constraint.resize(13, ' '); |
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w[i].value().mkBuffer() << NC::Format::Bold << constraint << NC::Format::NoBold << ": "; |
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ShowTag(w[i].value().buffer(), itsConstraints[i]); |
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} |
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w.at(ConstraintsNumber+1).value().mkBuffer() << NC::Format::Bold << "Search in:" << NC::Format::NoBold << ' ' << (Config.search_in_db ? "Database" : "Current playlist"); |
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w.at(ConstraintsNumber+2).value().mkBuffer() << NC::Format::Bold << "Search mode:" << NC::Format::NoBold << ' ' << *SearchMode; |
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w.at(SearchButton).value().mkBuffer() << "Search"; |
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w.at(ResetButton).value().mkBuffer() << "Reset"; |
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} |
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void SearchEngine::reset() |
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{ |
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for (size_t i = 0; i < ConstraintsNumber; ++i) |
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itsConstraints[i].clear(); |
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w.reset(); |
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Prepare(); |
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Statusbar::print("Search state reset"); |
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} |
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void SearchEngine::Search() |
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{ |
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bool constraints_empty = 1; |
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for (size_t i = 0; i < ConstraintsNumber; ++i) |
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{ |
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if (!itsConstraints[i].empty()) |
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{ |
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constraints_empty = 0; |
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break; |
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} |
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} |
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if (constraints_empty) |
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return; |
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if (Config.search_in_db && (SearchMode == &SearchModes[0] || SearchMode == &SearchModes[2])) // use built-in mpd searching |
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{ |
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Mpd.StartSearch(SearchMode == &SearchModes[2]); |
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if (!itsConstraints[0].empty()) |
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Mpd.AddSearchAny(itsConstraints[0]); |
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if (!itsConstraints[1].empty()) |
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Mpd.AddSearch(MPD_TAG_ARTIST, itsConstraints[1]); |
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if (!itsConstraints[2].empty()) |
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Mpd.AddSearch(MPD_TAG_ALBUM_ARTIST, itsConstraints[2]); |
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if (!itsConstraints[3].empty()) |
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Mpd.AddSearch(MPD_TAG_TITLE, itsConstraints[3]); |
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if (!itsConstraints[4].empty()) |
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Mpd.AddSearch(MPD_TAG_ALBUM, itsConstraints[4]); |
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if (!itsConstraints[5].empty()) |
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Mpd.AddSearchURI(itsConstraints[5]); |
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if (!itsConstraints[6].empty()) |
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Mpd.AddSearch(MPD_TAG_COMPOSER, itsConstraints[6]); |
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if (!itsConstraints[7].empty()) |
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Mpd.AddSearch(MPD_TAG_PERFORMER, itsConstraints[7]); |
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if (!itsConstraints[8].empty()) |
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Mpd.AddSearch(MPD_TAG_GENRE, itsConstraints[8]); |
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if (!itsConstraints[9].empty()) |
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Mpd.AddSearch(MPD_TAG_DATE, itsConstraints[9]); |
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if (!itsConstraints[10].empty()) |
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Mpd.AddSearch(MPD_TAG_COMMENT, itsConstraints[10]); |
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for (MPD::SongIterator s = Mpd.CommitSearchSongs(), end; s != end; ++s) |
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w.addItem(std::move(*s)); |
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return; |
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} |
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boost::regex rx[ConstraintsNumber]; |
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if (SearchMode != &SearchModes[2]) // match to pattern |
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{ |
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for (size_t i = 0; i < ConstraintsNumber; ++i) |
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{ |
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if (!itsConstraints[i].empty()) |
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{ |
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try |
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{ |
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rx[i].assign(itsConstraints[i], Config.regex_type); |
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} |
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catch (boost::bad_expression &) { } |
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} |
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} |
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} |
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typedef boost::range_detail::any_iterator< |
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const MPD::Song, |
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boost::single_pass_traversal_tag, |
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const MPD::Song &, |
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std::ptrdiff_t |
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> input_song_iterator; |
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input_song_iterator s, end; |
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if (Config.search_in_db) |
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{ |
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s = input_song_iterator(Mpd.GetDirectoryRecursive("/")); |
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end = input_song_iterator(MPD::SongIterator()); |
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} |
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else |
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{ |
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s = input_song_iterator(myPlaylist->main().beginV()); |
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end = input_song_iterator(myPlaylist->main().endV()); |
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} |
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LocaleStringComparison cmp(std::locale(), Config.ignore_leading_the); |
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for (; s != end; ++s) |
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{ |
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bool any_found = true, found = true; |
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if (SearchMode != &SearchModes[2]) // match to pattern |
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{ |
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if (!rx[0].empty()) |
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any_found = |
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boost::regex_search(s->getArtist(), rx[0]) |
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|| boost::regex_search(s->getAlbumArtist(), rx[0]) |
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|| boost::regex_search(s->getTitle(), rx[0]) |
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|| boost::regex_search(s->getAlbum(), rx[0]) |
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|| boost::regex_search(s->getName(), rx[0]) |
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|| boost::regex_search(s->getComposer(), rx[0]) |
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|| boost::regex_search(s->getPerformer(), rx[0]) |
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|| boost::regex_search(s->getGenre(), rx[0]) |
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|| boost::regex_search(s->getDate(), rx[0]) |
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|| boost::regex_search(s->getComment(), rx[0]); |
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if (found && !rx[1].empty()) |
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found = boost::regex_search(s->getArtist(), rx[1]); |
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if (found && !rx[2].empty()) |
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found = boost::regex_search(s->getAlbumArtist(), rx[2]); |
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if (found && !rx[3].empty()) |
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found = boost::regex_search(s->getTitle(), rx[3]); |
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if (found && !rx[4].empty()) |
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found = boost::regex_search(s->getAlbum(), rx[4]); |
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if (found && !rx[5].empty()) |
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found = boost::regex_search(s->getName(), rx[5]); |
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if (found && !rx[6].empty()) |
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found = boost::regex_search(s->getComposer(), rx[6]); |
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if (found && !rx[7].empty()) |
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found = boost::regex_search(s->getPerformer(), rx[7]); |
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if (found && !rx[8].empty()) |
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found = boost::regex_search(s->getGenre(), rx[8]); |
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if (found && !rx[9].empty()) |
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found = boost::regex_search(s->getDate(), rx[9]); |
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if (found && !rx[10].empty()) |
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found = boost::regex_search(s->getComment(), rx[10]); |
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} |
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else // match only if values are equal |
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{ |
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if (!itsConstraints[0].empty()) |
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any_found = |
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!cmp(s->getArtist(), itsConstraints[0]) |
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|| !cmp(s->getAlbumArtist(), itsConstraints[0]) |
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|| !cmp(s->getTitle(), itsConstraints[0]) |
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|| !cmp(s->getAlbum(), itsConstraints[0]) |
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|| !cmp(s->getName(), itsConstraints[0]) |
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|| !cmp(s->getComposer(), itsConstraints[0]) |
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|| !cmp(s->getPerformer(), itsConstraints[0]) |
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|| !cmp(s->getGenre(), itsConstraints[0]) |
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|| !cmp(s->getDate(), itsConstraints[0]) |
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|| !cmp(s->getComment(), itsConstraints[0]); |
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if (found && !itsConstraints[1].empty()) |
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found = !cmp(s->getArtist(), itsConstraints[1]); |
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if (found && !itsConstraints[2].empty()) |
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found = !cmp(s->getAlbumArtist(), itsConstraints[2]); |
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if (found && !itsConstraints[3].empty()) |
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found = !cmp(s->getTitle(), itsConstraints[3]); |
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if (found && !itsConstraints[4].empty()) |
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found = !cmp(s->getAlbum(), itsConstraints[4]); |
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if (found && !itsConstraints[5].empty()) |
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found = !cmp(s->getName(), itsConstraints[5]); |
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if (found && !itsConstraints[6].empty()) |
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found = !cmp(s->getComposer(), itsConstraints[6]); |
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if (found && !itsConstraints[7].empty()) |
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found = !cmp(s->getPerformer(), itsConstraints[7]); |
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if (found && !itsConstraints[8].empty()) |
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found = !cmp(s->getGenre(), itsConstraints[8]); |
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if (found && !itsConstraints[9].empty()) |
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found = !cmp(s->getDate(), itsConstraints[9]); |
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if (found && !itsConstraints[10].empty()) |
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found = !cmp(s->getComment(), itsConstraints[10]); |
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} |
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if (any_found && found) |
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w.addItem(*s); |
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} |
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} |
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namespace { |
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std::string SEItemToString(const SEItem &ei) |
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{ |
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std::string result; |
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if (ei.isSong()) |
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{ |
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switch (Config.search_engine_display_mode) |
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{ |
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case DisplayMode::Classic: |
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result = Format::stringify<char>(Config.song_list_format, &ei.song()); |
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break; |
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case DisplayMode::Columns: |
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result = Format::stringify<char>(Config.song_columns_mode_format, &ei.song()); |
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break; |
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} |
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} |
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else |
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result = ei.buffer().str(); |
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return result; |
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} |
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bool SEItemEntryMatcher(const boost::regex &rx, const NC::Menu<SEItem>::Item &item, bool filter) |
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{ |
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if (item.isSeparator() || !item.value().isSong()) |
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return filter; |
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return boost::regex_search(SEItemToString(item.value()), rx); |
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} |
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|
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}
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