321 lines
10 KiB
C++
321 lines
10 KiB
C++
/*
|
|
Copyright 2015-2016 Amebis
|
|
|
|
This file is part of ZRCola.
|
|
|
|
ZRCola 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.
|
|
|
|
ZRCola 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 ZRCola. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include "common.h"
|
|
#include <zrcola/common.h>
|
|
|
|
#include <stdex/idrec.h>
|
|
|
|
#include <wx/string.h>
|
|
|
|
#include <istream>
|
|
#include <ostream>
|
|
#include <vector>
|
|
|
|
#pragma warning(push)
|
|
#pragma warning(disable: 4200)
|
|
#pragma warning(disable: 4251)
|
|
#pragma warning(disable: 4512)
|
|
|
|
|
|
namespace ZRCola {
|
|
///
|
|
/// Key sequence database
|
|
///
|
|
class ZRCOLAUI_API keyseq_db {
|
|
public:
|
|
#pragma pack(push)
|
|
#pragma pack(2)
|
|
///
|
|
/// Key sequence data
|
|
///
|
|
struct keyseq {
|
|
enum modifiers_t {
|
|
SHIFT = 1<<0, ///< SHIFT key was pressed
|
|
CTRL = 1<<1, ///< CTRL key was pressed
|
|
ALT = 1<<2, ///< ALT key was pressed
|
|
};
|
|
|
|
wchar_t chr; ///< Character
|
|
unsigned __int16 seq_len; ///< \c seq length
|
|
struct key_t {
|
|
wchar_t key; ///< Key
|
|
unsigned __int16 modifiers; ///< Modifiers (bitwise combination of SHIFT, CTRL and ALT)
|
|
} seq[]; ///< Key sequence
|
|
|
|
|
|
///
|
|
/// Compares two key sequences
|
|
///
|
|
/// \param[in] seq_a First key sequence
|
|
/// \param[in] count_a Number of keys in sequence \p seq_a
|
|
/// \param[in] seq_b Second key sequence
|
|
/// \param[in] count_b Number of keys in sequence \p seq_b
|
|
///
|
|
/// \returns
|
|
/// - <0 when seq_a < seq_b
|
|
/// - =0 when seq_a == seq_b
|
|
/// - >0 when seq_a > seq_b
|
|
///
|
|
static inline int CompareSequence(const key_t *seq_a, unsigned __int16 count_a, const key_t *seq_b, unsigned __int16 count_b)
|
|
{
|
|
for (unsigned __int16 i = 0; ; i++) {
|
|
if (i >= count_a && i >= count_b) return 0;
|
|
else if (i >= count_a && i < count_b) return -1;
|
|
else if (i < count_a && i >= count_b) return +1;
|
|
else if (seq_a[i].key < seq_b[i].key ) return -1;
|
|
else if (seq_a[i].key > seq_b[i].key ) return +1;
|
|
else if (seq_a[i].modifiers < seq_b[i].modifiers) return -1;
|
|
else if (seq_a[i].modifiers > seq_b[i].modifiers) return +1;
|
|
}
|
|
}
|
|
};
|
|
#pragma pack(pop)
|
|
|
|
///
|
|
/// Character index
|
|
///
|
|
class indexChr : public index<unsigned __int16, unsigned __int32, keyseq>
|
|
{
|
|
public:
|
|
///
|
|
/// Constructs the index
|
|
///
|
|
/// \param[in] h Reference to vector holding the data
|
|
///
|
|
indexChr(_In_ std::vector<unsigned __int16> &h) : index<unsigned __int16, unsigned __int32, keyseq>(h) {}
|
|
|
|
///
|
|
/// Compares two key sequences by character (for searching)
|
|
///
|
|
/// \param[in] a Pointer to key sequence
|
|
/// \param[in] b Pointer to second key sequence
|
|
///
|
|
/// \returns
|
|
/// - <0 when a < b
|
|
/// - =0 when a == b
|
|
/// - >0 when a > b
|
|
///
|
|
virtual int compare(_In_ const keyseq &a, _In_ const keyseq &b) const
|
|
{
|
|
if (a.chr < b.chr) return -1;
|
|
else if (a.chr > b.chr) return +1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
///
|
|
/// Compares two key sequences by character (for sorting)
|
|
///
|
|
/// \param[in] a Pointer to key sequence
|
|
/// \param[in] b Pointer to second key sequence
|
|
///
|
|
/// \returns
|
|
/// - <0 when a < b
|
|
/// - =0 when a == b
|
|
/// - >0 when a > b
|
|
///
|
|
virtual int compare_sort(_In_ const keyseq &a, _In_ const keyseq &b) const
|
|
{
|
|
if (a.chr < b.chr) return -1;
|
|
else if (a.chr > b.chr) return +1;
|
|
|
|
int r = keyseq::CompareSequence(a.seq, a.seq_len, b.seq, b.seq_len);
|
|
if (r != 0) return r;
|
|
|
|
return 0;
|
|
}
|
|
} idxChr; ///< Character index
|
|
|
|
|
|
///
|
|
/// Key index
|
|
///
|
|
class indexKey : public index<unsigned __int16, unsigned __int32, keyseq>
|
|
{
|
|
public:
|
|
///
|
|
/// Constructs the index
|
|
///
|
|
/// \param[in] h Reference to vector holding the data
|
|
///
|
|
indexKey(_In_ std::vector<unsigned __int16> &h) : index<unsigned __int16, unsigned __int32, keyseq>(h) {}
|
|
|
|
///
|
|
/// Compares two key sequences by key (for searching)
|
|
///
|
|
/// \param[in] a Pointer to key sequence
|
|
/// \param[in] b Pointer to second key sequence
|
|
///
|
|
/// \returns
|
|
/// - <0 when a < b
|
|
/// - =0 when a == b
|
|
/// - >0 when a > b
|
|
///
|
|
virtual int compare(_In_ const keyseq &a, _In_ const keyseq &b) const
|
|
{
|
|
int r = keyseq::CompareSequence(a.seq, a.seq_len, b.seq, b.seq_len);
|
|
if (r != 0) return r;
|
|
|
|
return 0;
|
|
}
|
|
|
|
///
|
|
/// Compares two key sequences by key (for sorting)
|
|
///
|
|
/// \param[in] a Pointer to key sequence
|
|
/// \param[in] b Pointer to second key sequence
|
|
///
|
|
/// \returns
|
|
/// - <0 when a < b
|
|
/// - =0 when a == b
|
|
/// - >0 when a > b
|
|
///
|
|
virtual int compare_sort(_In_ const keyseq &a, _In_ const keyseq &b) const
|
|
{
|
|
int r = keyseq::CompareSequence(a.seq, a.seq_len, b.seq, b.seq_len);
|
|
if (r != 0) return r;
|
|
|
|
if (a.chr < b.chr) return -1;
|
|
else if (a.chr > b.chr) return +1;
|
|
|
|
return 0;
|
|
}
|
|
} idxKey; ///< Key index
|
|
|
|
std::vector<unsigned __int16> data; ///< Key sequences data
|
|
|
|
public:
|
|
///
|
|
/// Constructs the database
|
|
///
|
|
inline keyseq_db() : idxChr(data), idxKey(data) {}
|
|
|
|
///
|
|
/// Get text representation of a given key sequence
|
|
///
|
|
/// \param[in] seq Key sequence
|
|
/// \param[in] seq_len Number of elements in \p seq
|
|
/// \param[out] str Text representation of a \p seq key sequence
|
|
///
|
|
/// \returns
|
|
/// - \c true if conversion succeeded
|
|
/// - \c false otherwise
|
|
///
|
|
static bool GetSequenceAsText(_In_count_(seq_len) const keyseq::key_t *seq, _In_ size_t seq_len, _Out_ wxString& str);
|
|
|
|
///
|
|
/// Get text representation of a given key sequence
|
|
///
|
|
/// \param[in] seq Key sequence
|
|
/// \param[in] seq_len Number of elements in \p seq
|
|
///
|
|
/// \returns Text representation of a \p seq key sequence
|
|
///
|
|
static inline wxString GetSequenceAsText(_In_count_(seq_len) const keyseq_db::keyseq::key_t *seq, _In_ size_t seq_len)
|
|
{
|
|
wxString str;
|
|
return GetSequenceAsText(seq, seq_len, str) ? str : wxEmptyString;
|
|
}
|
|
};
|
|
|
|
|
|
typedef ZRCOLAUI_API stdex::idrec::record<keyseq_db, recordid_t, recordsize_t, ZRCOLA_RECORD_ALIGN> keyseq_rec;
|
|
};
|
|
|
|
|
|
const ZRCola::recordid_t stdex::idrec::record<ZRCola::keyseq_db, ZRCola::recordid_t, ZRCola::recordsize_t, ZRCOLA_RECORD_ALIGN>::id = *(ZRCola::recordid_t*)"KEY";
|
|
|
|
|
|
///
|
|
/// Writes key sequence database to a stream
|
|
///
|
|
/// \param[in] stream Output stream
|
|
/// \param[in] db Key sequence database
|
|
///
|
|
/// \returns The stream \p stream
|
|
///
|
|
inline std::ostream& operator <<(_In_ std::ostream& stream, _In_ const ZRCola::keyseq_db &db)
|
|
{
|
|
// Write character index.
|
|
if (stream.fail()) return stream;
|
|
stream << db.idxChr;
|
|
|
|
// Write key index.
|
|
if (stream.fail()) return stream;
|
|
stream << db.idxKey;
|
|
|
|
// Write data count.
|
|
std::vector<unsigned __int16>::size_type data_count = db.data.size();
|
|
#if defined(_WIN64) || defined(__x86_64__) || defined(__ppc64__)
|
|
// 4G check
|
|
if (data_count > 0xffffffff) {
|
|
stream.setstate(std::ios_base::failbit);
|
|
return stream;
|
|
}
|
|
#endif
|
|
if (stream.fail()) return stream;
|
|
unsigned __int32 count = (unsigned __int32)data_count;
|
|
stream.write((const char*)&count, sizeof(count));
|
|
|
|
// Write data.
|
|
if (stream.fail()) return stream;
|
|
stream.write((const char*)db.data.data(), sizeof(unsigned __int16)*count);
|
|
|
|
return stream;
|
|
}
|
|
|
|
|
|
///
|
|
/// Reads key sequence database from a stream
|
|
///
|
|
/// \param[in] stream Input stream
|
|
/// \param[out] db Key sequence database
|
|
///
|
|
/// \returns The stream \p stream
|
|
///
|
|
inline std::istream& operator >>(_In_ std::istream& stream, _Out_ ZRCola::keyseq_db &db)
|
|
{
|
|
// Read character index.
|
|
stream >> db.idxChr;
|
|
if (!stream.good()) return stream;
|
|
|
|
// Read key index.
|
|
stream >> db.idxKey;
|
|
if (!stream.good()) return stream;
|
|
|
|
// Read data count.
|
|
unsigned __int32 count;
|
|
stream.read((char*)&count, sizeof(count));
|
|
if (!stream.good()) return stream;
|
|
|
|
if (count) {
|
|
// Read data.
|
|
db.data.resize(count);
|
|
stream.read((char*)db.data.data(), sizeof(unsigned __int16)*count);
|
|
} else
|
|
db.data.clear();
|
|
|
|
return stream;
|
|
}
|
|
|
|
#pragma warning(pop)
|