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/**
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* Copyright (c) 2020, Timothy Stack
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* * Neither the name of Timothy Stack nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* @file file_format.hh
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*/
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#ifndef lnav_file_format_hh
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#define lnav_file_format_hh
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#include <filesystem>
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#include <optional>
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#include "base/lnav.console.hh"
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#include "fmt/format.h"
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enum class file_format_t : int {
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UNKNOWN,
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SQLITE_DB,
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ARCHIVE,
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MULTIPLEXED,
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REMOTE,
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};
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struct external_file_format {
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std::string eff_format_name;
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std::string eff_converter;
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std::filesystem::path eff_source_path;
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};
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struct detect_file_format_result {
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file_format_t dffr_file_format{file_format_t::UNKNOWN};
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std::vector<lnav::console::user_message> dffr_details;
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};
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detect_file_format_result detect_file_format(
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const std::filesystem::path& filename);
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std::optional<external_file_format> detect_mime_type(
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const std::filesystem::path& filename);
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namespace fmt {
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template<>
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struct formatter<file_format_t> : formatter<string_view> {
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template<typename FormatContext>
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auto format(file_format_t ff, FormatContext& ctx)
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{
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string_view name = "unknown";
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switch (ff) {
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case file_format_t::SQLITE_DB:
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name = "\U0001F5C2 SQLite DB";
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break;
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case file_format_t::ARCHIVE:
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name = "\U0001F5C4 Archive";
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break;
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case file_format_t::MULTIPLEXED:
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name = "\u22fa Multiplexed";
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break;
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case file_format_t::REMOTE:
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name = "\U0001F5A5 Remote";
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break;
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default:
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break;
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}
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return formatter<string_view>::format(name, ctx);
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}
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};
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} // namespace fmt
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#endif
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