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https://github.com/RetroShare/RetroShare.git
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63b71e383a
Add FLAC standalone indexer Add indexing common music tags for all formats supported by taglib File indexer reindex files that have been indexed by older versions of the indexer and reindex them Sparse improvements to deep indexing
98 lines
3.5 KiB
C++
98 lines
3.5 KiB
C++
/*******************************************************************************
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* RetroShare full text indexing and search implementation based on Xapian *
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* *
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* Copyright (C) 2018-2019 Gioacchino Mazzurco <gio@eigenlab.org> *
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* Copyright (C) 2019 Asociación Civil Altermundi <info@altermundi.net> *
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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 Affero General Public License version 3 as *
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* published by the Free Software Foundation. *
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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 Affero General Public License for more details. *
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* *
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* You should have received a copy of the GNU Affero General Public License *
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* along with this program. If not, see <https://www.gnu.org/licenses/>. *
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* *
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*******************************************************************************/
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#include "deep_search/filesindex.hpp"
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#include "util/rsdebug.h"
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#include <xapian.h>
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#include <string>
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#include <vorbis/vorbisfile.h>
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#include <cctype>
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struct RsDeepOggFileIndexer
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{
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RsDeepOggFileIndexer()
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{
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DeepFilesIndex::registerIndexer(30, indexOggFile);
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}
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static uint32_t indexOggFile(
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const std::string& path, const std::string& /*name*/,
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Xapian::TermGenerator& xTG, Xapian::Document& xDoc )
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{
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Dbg3() << __PRETTY_FUNCTION__ << " " << path << std::endl;
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OggVorbis_File vf;
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int ret = ov_fopen(path.c_str(), &vf);
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if(ret == 0 && vf.vc)
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{
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vorbis_comment& vc = *vf.vc;
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std::string docData = xDoc.get_data();
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for (int i = 0; i < vc.comments; ++i)
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{
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using szt = std::string::size_type;
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std::string userComment(
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vc.user_comments[i],
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static_cast<szt>(vc.comment_lengths[i]) );
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if(userComment.empty()) continue;
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szt equalPos = userComment.find('=');
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if(equalPos == std::string::npos) continue;
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std::string tagName = userComment.substr(0, equalPos);
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if(tagName.empty()) continue;
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std::string tagValue = userComment.substr(equalPos + 1);
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if(tagValue.empty()) continue;
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/* Ogg tags should be uppercases but not all the softwares
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* enforce it */
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for (auto& c: tagName) c = static_cast<char>(toupper(c));
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if(tagName == "ARTIST")
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xTG.index_text(tagValue, 1, "A");
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else if (tagName == "DESCRIPTION")
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xTG.index_text(tagValue, 1, "XD");
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else if (tagName == "TITLE")
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xTG.index_text(tagValue, 1, "S");
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else if(tagName.find("COVERART") != tagName.npos)
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continue; // Avoid polluting the index with binary data
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else if (tagName.find("METADATA_BLOCK_PICTURE") != tagName.npos)
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continue; // Avoid polluting the index with binary data
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// Index fields without prefixes for general search.
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xTG.increase_termpos();
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xTG.index_text(userComment);
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docData += userComment + "\n";
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}
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xDoc.set_data(docData);
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ov_clear(&vf);
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return 99;
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}
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return 0;
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}
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RS_SET_CONTEXT_DEBUG_LEVEL(1)
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};
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