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dindexer/include/dindexer-machinery/recorddata.hpp

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/* Copyright 2015, 2016, Michele Santullo
* This file is part of "dindexer".
*
* "dindexer" is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* "dindexer" is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with "dindexer". If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef id3CD7F105AC314540A864487E981E5A7E
#define id3CD7F105AC314540A864487E981E5A7E
#include "tiger.hpp"
#include <string>
#include <boost/utility/string_ref.hpp>
#include <cstdint>
#include <ctime>
#include <boost/flyweight.hpp>
#include <boost/flyweight/no_locking.hpp>
#include <functional>
namespace mchlib {
struct FileRecordData {
struct MimeStringTagStruct { };
typedef boost::flyweights::tag<MimeStringTagStruct> MimeStringTag;
typedef boost::flyweight<std::string, boost::flyweights::no_locking, MimeStringTag> mime_string;
FileRecordData ( void ) = default;
FileRecordData ( const char* parPath, std::time_t parATime, std::time_t parMTime, uint16_t parLevel, bool parIsDir, bool parIsSymLink ) :
hash {},
abs_path(parPath),
mime_full(),
atime(parATime),
mtime(parMTime),
size(0),
level(parLevel),
path_offset(0),
mime_type_offset(0),
mime_type_length(0),
mime_charset_offset(0),
mime_charset_length(0),
is_directory(parIsDir),
is_symlink(parIsSymLink),
unreadable(false),
hash_valid(false)
{
}
FileRecordData ( std::string&& parPath, uint16_t parRelPathOffs, std::time_t parATime, std::time_t parMTime, uint16_t parLevel, bool parIsDir, bool parIsSymLink ) :
hash {},
abs_path(std::move(parPath)),
mime_full(),
atime(parATime),
mtime(parMTime),
size(0),
level(parLevel),
path_offset(parRelPathOffs),
mime_type_offset(0),
mime_type_length(0),
mime_charset_offset(0),
mime_charset_length(0),
is_directory(parIsDir),
is_symlink(parIsSymLink),
unreadable(false),
hash_valid(false)
{
assert(path_offset <= abs_path.size());
}
#if defined(NDEBUG)
FileRecordData ( const FileRecordData& ) = delete;
#else
FileRecordData ( const FileRecordData& ) = default;
#endif
FileRecordData ( FileRecordData&& ) = default;
FileRecordData& operator= ( const FileRecordData& ) = delete;
FileRecordData& operator= ( FileRecordData&& ) = default;
#if !defined(NDEBUG)
bool operator== ( const FileRecordData& parOther ) const;
#endif
boost::string_ref path ( void ) const {
assert(abs_path.data());
return boost::string_ref(abs_path).substr(path_offset);
}
boost::string_ref mime_type ( void ) const {
assert(mime_full.get().data());
return boost::string_ref(mime_full.get()).substr(mime_type_offset, mime_type_length);
}
boost::string_ref mime_charset ( void ) const {
assert(mime_full.get().data());
return boost::string_ref(mime_full.get()).substr(mime_charset_offset, mime_charset_length);
}
void set_mime_parts ( boost::string_ref parType, boost::string_ref parCharset ) {
const auto& mime = mime_full.get();
{
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assert(std::less_equal<const char*>()(mime.data(), parType.data()));
assert(std::less_equal<const char*>()(parType.data() + parType.size(), mime.data() + mime.size()));
assert(parType.data() - mime.data() < USHRT_MAX);
assert(parType.size() < USHRT_MAX);
assert(parType.size() + (parType.data() - mime.data()) <= mime.size());
mime_type_offset = static_cast<uint16_t>(parType.data() - mime.data());
mime_type_length = static_cast<uint16_t>(parType.size());
}
{
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assert(std::less_equal<const char*>()(mime.data(), parCharset.data()));
assert(std::less_equal<const char*>()(parCharset.data() + parCharset.size(), mime.data() + mime.size()));
assert(parCharset.data() - mime.data() < USHRT_MAX);
assert(parCharset.size() < USHRT_MAX);
assert(parCharset.size() + (parCharset.data() - mime.data()) <= mime.size());
mime_charset_offset = static_cast<uint16_t>(parCharset.data() - mime.data());
mime_charset_length = static_cast<uint16_t>(parCharset.size());
}
}
TigerHash hash;
std::string abs_path;
mime_string mime_full;
std::time_t atime;
std::time_t mtime;
uint64_t size;
uint16_t level;
uint16_t path_offset; //Relative path starting character into abs_path
uint16_t mime_type_offset; //Mime type starting character into mime_full
uint16_t mime_type_length; //Mime type string length
uint16_t mime_charset_offset; //Mime charset starting character into mime_full
uint16_t mime_charset_length; //Mime charset string length
bool is_directory;
bool is_symlink;
bool unreadable;
bool hash_valid;
};
struct SetRecordDataFull {
std::string name;
std::string disk_label;
std::string fs_uuid;
uint32_t disk_number;
char type;
char content_type;
};
#if !defined(NDEBUG)
inline bool FileRecordData::operator== (const FileRecordData& parOther) const {
return (this->abs_path == parOther.abs_path);
}
#endif
} //namespace mchlib
#endif