80 lines
2.4 KiB
C++
80 lines
2.4 KiB
C++
/* This file is part of epubgrep.
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* Copyright © 2021 tastytea <tastytea@tastytea.de>
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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 as published by
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* the Free Software Foundation, version 3.
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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 <http://www.gnu.org/licenses/>.
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*/
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#ifndef EPUBGREP_SEARCH_HPP
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#define EPUBGREP_SEARCH_HPP
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#include "fs-compat.hpp"
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#include "options.hpp"
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#include <boost/regex.hpp>
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#include <cstdint>
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#include <string>
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#include <string_view>
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#include <utility>
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#include <vector>
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namespace epubgrep::search
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{
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using match_context = std::pair<std::string, std::string>;
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struct match
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{
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fs::path epub_filepath; //!< File path of the EPUB.
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std::string text; //!< Matched string.
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match_context context; //!< The context around the match.
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std::string filepath; //!< The file path of the matched line.
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std::string headline; //!< The last headline, if available.
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std::string page; //!< The page number, if available.
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};
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struct settings
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{
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options::regex_kind regex{options::regex_kind::basic};
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bool grep_like{false};
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bool ignore_case{false};
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bool raw{false};
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std::uint64_t context{0};
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};
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//! Search file, return matches.
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[[nodiscard]] std::vector<match> search(const fs::path &filepath,
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std::string_view regex,
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const settings &opts);
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//! Strip HTML, remove newlines, condense spaces.
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void cleanup_text(std::string &text);
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//! Return words before and after the match.
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[[nodiscard]] match_context
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context(const boost::match_results<std::string::const_iterator> &match,
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std::uint64_t words);
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//! Return last headline if possible.
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[[nodiscard]] std::string headline(std::string_view prefix);
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//! Return current page if possible.
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[[nodiscard]] std::string page(std::string_view prefix);
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//! Return true if check is whitespace.
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[[nodiscard]] bool is_whitespace(char check);
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} // namespace epubgrep::search
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#endif // EPUBGREP_SEARCH_HPP
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