change PIMap::at and add const to PIMap and PIBinaryLog

This commit is contained in:
2023-07-13 12:32:45 +03:00
parent 299a009d61
commit 66fb93ba88
3 changed files with 58 additions and 41 deletions

View File

@@ -319,16 +319,24 @@ public:
inline T & operator[](const Key & key) {
bool f(false);
const ssize_t i = _find(key, f);
if (f) return pim_content[pim_index[i].index];
if (f) return _value(i);
pim_content.push_back(T());
pim_index.insert(i, MapIndex(key, pim_content.size() - 1));
return pim_content.back();
}
//! \~english Same as \a value().
//! \~russian Синоним \a value().
//! \~english Read only access to element by `key`.
//! \~russian Доступ исключительно на чтение к элементу по ключу `key`.
//! \~\note
//! \~english Element with key `key` must exists, otherwise will be undefined behavior.
//! \~russian Элемент по ключу `key` должен существовать,
//! иначе это приведёт к неопределённому поведению программы и ошибкам памяти.
//! \~\sa \a operator[](), \a value(), \a key()
inline T at(const Key & key) const { return value(key); }
inline const T & at(const Key & key) const {
bool f(false);
const ssize_t i = _find(key, f);
return _value(i);
}
//! \~english Remove element with key `key` from the array and return it.
//! \~russian Удаляет элемент с ключом `key` из массива и возвращает его.
@@ -336,7 +344,7 @@ public:
bool f(false);
const ssize_t i = _find(key, f);
if (!f) return default_;
T ret(pim_content[pim_index[i].index]);
const T ret = _value(i);
_remove(i);
return ret;
}
@@ -410,7 +418,8 @@ public:
//! заданному в передаваемой функции `test`.
inline PIMap<Key, T> & removeWhere(std::function<bool(const Key & key, const T & value)> test) {
for (int i = 0; i < pim_index.size_s(); ++i) {
if (test(pim_index[i].key, pim_content[pim_index[i].index])) {
const auto & mi(pim_index[i]);
if (test(mi.key, pim_content[mi.index])) {
_remove(i);
--i;
}
@@ -454,7 +463,7 @@ public:
bool f(false);
const ssize_t i = _find(key, f);
if (f) {
pim_content[pim_index[i].index] = value;
_value(i) = value;
} else {
pim_content.push_back(value);
pim_index.insert(i, MapIndex(key, pim_content.size() - 1));
@@ -466,7 +475,7 @@ public:
bool f(false);
const ssize_t i = _find(key, f);
if (f) {
pim_content[pim_index[i].index] = std::move(value);
_value(i) = std::move(value);
} else {
pim_content.push_back(std::move(value));
pim_index.insert(i, MapIndex(key, pim_content.size() - 1));
@@ -483,7 +492,7 @@ public:
bool f(false);
const ssize_t i = _find(pair.first, f);
if (f) {
pim_content[pim_index[i].index] = pair.second;
_value(i) = pair.second;
} else {
pim_content.push_back(pair.second);
pim_index.insert(i, MapIndex(pair.first, pim_content.size() - 1));
@@ -496,7 +505,7 @@ public:
Key k(std::move(pair.first));
const ssize_t i = _find(k, f);
if (f) {
pim_content[pim_index[i].index] = std::move(pair.second);
_value(i) = std::move(pair.second);
} else {
pim_content.push_back(std::move(pair.second));
pim_index.insert(i, MapIndex(k, pim_content.size() - 1));
@@ -512,7 +521,7 @@ public:
bool f(false);
const ssize_t i = _find(key, f);
if (!f) return default_;
return pim_content[pim_index[i].index];
return _value(i);
}
//! \~english Returns an array of values of all elements
@@ -525,8 +534,9 @@ public:
//! совпадает с `value` или `default_` если такого элемента нет.
inline Key key(const T & value, const Key & default_ = Key()) const {
for (int i = 0; i < pim_index.size_s(); ++i) {
if (pim_content[pim_index[i].index] == value) {
return pim_index[i].key;
const auto & mi(pim_index[i]);
if (pim_content[mi.index] == value) {
return mi.key;
}
}
return default_;
@@ -547,7 +557,8 @@ public:
//! \~russian Выполняет функцию `void f(const Key & key, const T & value)` для каждого элемента массива.
inline void forEach(std::function<void(const Key & key, const T & value)> f) const {
for (int i = 0; i < pim_index.size_s(); ++i) {
f(pim_index[i].key, pim_content[pim_index[i].index]);
const auto & mi(pim_index[i]);
f(mi.key, pim_content[mi.index]);
}
}
@@ -560,7 +571,8 @@ public:
PIMap<Key2, T2> ret;
ret.reserve(size());
for (int i = 0; i < pim_index.size_s(); ++i) {
ret.insert(f(pim_index[i].key, pim_content[pim_index[i].index]));
const auto & mi(pim_index[i]);
ret.insert(f(mi.key, pim_content[mi.index]));
}
return ret;
}
@@ -574,7 +586,8 @@ public:
PIVector<ST> ret;
ret.reserve(size());
for (int i = 0; i < pim_index.size_s(); ++i) {
ret << f(pim_index[i].key, pim_content[pim_index[i].index]);
const auto & mi(pim_index[i]);
ret << f(mi.key, pim_content[mi.index]);
}
return ret;
}
@@ -586,8 +599,10 @@ public:
inline PIMap<Key, T> filter(std::function<bool(const Key & key, const T & value)> test) const {
PIMap<Key, T> ret;
for (int i = 0; i < pim_index.size_s(); ++i) {
if (test(pim_index[i].key, pim_content[pim_index[i].index])) {
ret.insert(pim_index[i].key, pim_content[pim_index[i].index]);
const auto & mi(pim_index[i]);
const auto & v(pim_content[mi.index]);
if (test(mi.key, v)) {
ret.insert(mi.key, v);
}
}
return ret;
@@ -650,7 +665,8 @@ private:
inline const value_type _pair(ssize_t index) const {
if (index < 0 || index >= pim_index.size_s()) return value_type();
return value_type(pim_index[index].key, pim_content[pim_index[index].index]);
const auto & mi(pim_index[index]);
return value_type(mi.key, pim_content[mi.index]);
}
inline Key & _key(ssize_t index) { return pim_index[index].key; }

View File

@@ -177,8 +177,9 @@ bool PIBinaryLog::threadedRead(const uchar * readed, ssize_t size) {
if (!canRead() || isEnd()) return PIIODevice::threadedRead(readed, size);
is_thread_ok = false;
logmutex.lock();
PISystemTime pt, lastrec_timestamp = lastrecord.timestamp;
const PISystemTime lastrec_timestamp = lastrecord.timestamp;
logmutex.unlock();
PISystemTime pt;
double delay;
switch (play_mode) {
case PlayRealTime:
@@ -258,7 +259,7 @@ PIString PIBinaryLog::getLogfilePath(const PIString & log_dir, const PIString &
<< "Creating directory" << dir.path();
dir.make(true);
}
PIString npath = log_dir + PIDir::separator + prefix + PIDateTime::current().toString("yyyy_MM_dd__hh_mm_ss");
const PIString npath = log_dir + PIDir::separator + prefix + PIDateTime::current().toString("yyyy_MM_dd__hh_mm_ss");
PIString cnpath = npath + ".binlog";
int i = 1;
while (PIFile::isExists(cnpath)) {
@@ -317,7 +318,7 @@ int PIBinaryLog::writeBinLog(int id, const void * data, int size) {
}
if (is_pause) return 0;
logmutex.lock();
int res = writeRecord(id, PISystemTime::current() - startlogtime, data, size);
const int res = writeRecord(id, PISystemTime::current() - startlogtime, data, size);
switch (split_mode) {
case SplitSize:
if (log_size > split_size) createNewFile();
@@ -341,7 +342,7 @@ int PIBinaryLog::writeBinLog(int id, const void * data, int size) {
int PIBinaryLog::writeBinLog_raw(int id, const PISystemTime & time, const void * data, int size) {
if (size <= 0 || !canWrite()) return -1;
logmutex.lock();
int res = writeRecord(id, time, data, size);
const int res = writeRecord(id, time, data, size);
logmutex.unlock();
if (res > 0)
return size;
@@ -386,7 +387,7 @@ PIByteArray PIBinaryLog::readBinLog(int id, PISystemTime * time, int * readed_id
int PIBinaryLog::readBinLog(int id, void * read_to, int max_size, PISystemTime * time, int * readed_id) {
if (max_size <= 0 || read_to == 0) return -1;
PIByteArray ba = readBinLog(id, time, readed_id);
const PIByteArray ba = readBinLog(id, time, readed_id);
if (ba.isEmpty()) return -1;
int sz = piMini(max_size, ba.size());
memcpy(read_to, ba.data(), sz);
@@ -404,7 +405,7 @@ void PIBinaryLog::setHeader(const PIByteArray & header) {
}
PIByteArray PIBinaryLog::getHeader() {
PIByteArray PIBinaryLog::getHeader() const {
return index.info.user_header;
}
@@ -432,7 +433,7 @@ ssize_t PIBinaryLog::readDevice(void * read_to, ssize_t max_size) {
piCoutObj << "Read record error";
return -1;
}
ssize_t sz = piMini(max_size, br.data.size());
const ssize_t sz = piMini(max_size, br.data.size());
if (sz < br.data.size_s()) piCoutObj << "too small read buffer:" << max_size << ", data size:" << br.data.size();
memcpy(read_to, br.data.data(), sz);
return sz;
@@ -445,7 +446,7 @@ ssize_t PIBinaryLog::writeDevice(const void * data, ssize_t size) {
void PIBinaryLog::restart() {
bool th = isThreadedRead();
const bool th = isThreadedRead();
if (th) stopThreadedRead();
if (!canRead()) return;
logmutex.unlock();
@@ -464,9 +465,9 @@ void PIBinaryLog::restart() {
bool PIBinaryLog::writeFileHeader() {
if (file.write(binlog_sig, PIBINARYLOG_SIGNATURE_SIZE) <= 0) return false;
uchar version = PIBINARYLOG_VERSION;
const uchar version = PIBINARYLOG_VERSION;
if (file.write(&version, 1) <= 0) return false;
uint32_t sz = user_header.size();
const uint32_t sz = user_header.size();
file.write(&sz, 4);
file.write(user_header);
file.flush();
@@ -578,7 +579,7 @@ int PIBinaryLog::writeRecord(int id, PISystemTime time, const void * data, int s
++index.info.records_count;
is_indexed = true;
}
int ret = file.write(logdata.data(), logdata.size());
const int ret = file.write(logdata.data(), logdata.size());
file.flush();
write_count++;
log_size = file.size();
@@ -638,7 +639,7 @@ void PIBinaryLog::parseLog(PIFile * f, PIBinaryLog::BinLogInfo * info, PIVector<
f->read(&sz, 4);
if (sz > 0) {
PIByteArray user_hdr = f->read(sz);
if (info) info->user_header = user_hdr;
if (info) info->user_header.swap(user_hdr);
}
}
PIByteArray ba;
@@ -646,7 +647,7 @@ void PIBinaryLog::parseLog(PIFile * f, PIBinaryLog::BinLogInfo * info, PIVector<
br.id = 0;
br.size = 0;
bool first = true;
size_t hdr_size = sizeof(Record) - sizeof(PIByteArray);
constexpr size_t hdr_size = sizeof(Record) - sizeof(PIByteArray);
ba.resize(hdr_size);
while (1) {
ba.resize(hdr_size);
@@ -721,7 +722,7 @@ bool PIBinaryLog::cutBinLog(const PIBinaryLog::BinLogInfo & src, const PIString
<< "Error, can't open" << src.path;
return false;
}
PIVector<int> ids = src.records.keys();
const PIVector<int> ids = src.records.keys();
slog.seekTo(from);
PIBinaryLog dlog;
dlog.createNewFile(dst);
@@ -825,7 +826,7 @@ bool PIBinaryLog::joinBinLogsSerial(const PIStringList & src,
bool PIBinaryLog::createIndex() {
logmutex.lock();
llong cp = file.pos();
const llong cp = file.pos();
file.seekToBegin();
index.clear();
parseLog(&file, &index.info, &index.index);
@@ -870,7 +871,7 @@ void PIBinaryLog::seekTo(int rindex) {
bool PIBinaryLog::seek(const PISystemTime & time) {
int ci = posForTime(time);
const int ci = posForTime(time);
if (ci >= 0) {
seekTo(ci);
return true;
@@ -930,9 +931,9 @@ PIString PIBinaryLog::constructFullPathDevice() const {
void PIBinaryLog::configureFromFullPathDevice(const PIString & full_path) {
PIStringList pl = full_path.split(":");
const PIStringList pl = full_path.split(":");
for (int i = 0; i < pl.size_s(); ++i) {
PIString p(pl[i]);
const PIString p(pl[i]);
switch (i) {
case 0: setLogDir(p); break;
case 1: setFilePrefix(p); break;
@@ -979,7 +980,7 @@ void PIBinaryLog::propertyChanged(const char * s) {
default_id = property("defaultID").toInt();
rapid_start = property("rapidStart").toBool();
play_mode = (PlayMode)property("playMode").toInt();
double ps = property("playSpeed").toDouble();
const double ps = property("playSpeed").toDouble();
play_speed = ps > 0. ? 1. / ps : 0.;
play_delay = property("playDelay").toSystemTime();
split_mode = (SplitMode)property("splitMode").toInt();

View File

@@ -251,7 +251,7 @@ public:
void setHeader(const PIByteArray & header);
//! Get custom file header
PIByteArray getHeader();
PIByteArray getHeader() const;
#ifdef DOXYGEN
//! Read one message from binlog file, with ID contains in "filterID" or any ID, if "filterID" is empty
@@ -462,9 +462,9 @@ inline PICout operator<<(PICout s, const PIBinaryLog::BinLogInfo & bi) {
}
s << "read records " << bi.records_count << " in " << bi.records.size() << " types, log size " << bi.log_size;
s << "\nlog start " << bi.start_time << " , log end " << bi.end_time;
PIVector<int> keys = bi.records.keys();
const auto keys = bi.records.keys();
for (int i: keys) {
PIBinaryLog::BinLogRecordInfo bri = bi.records.at(i);
const auto & bri(bi.records.at(i));
s << "\n record id " << bri.id << " , count " << bri.count;
s << "\n record start " << bri.start_time << " , end " << bri.end_time;
s << "\n record size " << bri.minimum_size << " - " << bri.maximum_size;