RedPanda-CPP/RedPandaIDE/symbolusagemanager.cpp

103 lines
3.1 KiB
C++

#include "symbolusagemanager.h"
#include "settings.h"
#include "systemconsts.h"
#include <QFile>
#include <QJsonArray>
#include <QJsonDocument>
#include <QJsonObject>
#include <QMessageBox>
SymbolUsageManager::SymbolUsageManager(QObject *parent) : QObject(parent)
{
}
void SymbolUsageManager::load()
{
QString filename = includeTrailingPathDelimiter(pSettings->dirs().config())
+ DEV_SYMBOLUSAGE_FILE;
if (!fileExists(filename))
return;
QFile file(filename);
if (!file.open(QFile::ReadOnly)) {
QMessageBox::critical(nullptr,
tr("Load symbol usage info failed"),
tr("Can't open symbol usage file '%1' for read.")
.arg(filename));
}
QByteArray contents = file.readAll();
QJsonParseError error;
QJsonDocument doc = QJsonDocument::fromJson(contents,&error);
if (error.error != QJsonParseError::NoError) {
QMessageBox::critical(nullptr,
tr("Load symbol usage info failed"),
tr("Can't parse symbol usage file '%1'.")
.arg(filename));
}
mUsages.clear();
QJsonArray array = doc.array();
foreach (const QJsonValue& val, array) {
QJsonObject obj = val.toObject();
QString fullname = obj["symbol"].toString();
int count = obj["count"].toInt();
PSymbolUsage usage = std::make_shared<SymbolUsage>();
usage->fullName = fullname;
usage->count = count;
mUsages.insert(fullname,usage);
}
}
void SymbolUsageManager::save()
{
QString filename = includeTrailingPathDelimiter(pSettings->dirs().config())
+ DEV_SYMBOLUSAGE_FILE;
QFile file(filename);
if (!file.open(QFile::WriteOnly | QFile::Truncate)) {
QMessageBox::critical(nullptr,
tr("Save symbol usage info failed"),
tr("Can't open symbol usage file '%1' for write.")
.arg(filename));
}
QJsonArray array;
foreach (const PSymbolUsage& usage,mUsages) {
QJsonObject object;
object["symbol"]=usage->fullName;
object["count"]=usage->count;
array.append(object);
}
QJsonDocument doc;
doc.setArray(array);
if (file.write(doc.toJson())<0) {
QMessageBox::critical(nullptr,
tr("Save symbol usage info failed"),
tr("Write to symbol usage file '%1' failed.")
.arg(filename));
}
}
void SymbolUsageManager::reset()
{
mUsages.clear();
save();
}
PSymbolUsage SymbolUsageManager::findUsage(const QString &fullName) const
{
return mUsages.value(fullName,PSymbolUsage());
}
void SymbolUsageManager::updateUsage(const QString &symbol, int count)
{
PSymbolUsage usage = mUsages.value(symbol,PSymbolUsage());
if (usage) {
usage->count = count;
} else {
usage = std::make_shared<SymbolUsage>();
usage->fullName = symbol;
usage->count = count;
mUsages.insert(symbol,usage);
}
}