RedPanda-CPP/RedPandaIDE/utils.cpp

441 lines
12 KiB
C++

#include "utils.h"
#include "systemconsts.h"
#include <QApplication>
#include <QByteArray>
#include <QDir>
#include <QFile>
#include <QFileInfo>
#include <QProcess>
#include <QProcessEnvironment>
#include <QSettings>
#include <QString>
#include <QTextCodec>
#include <QtGlobal>
#include <QDebug>
#include <windows.h>
#include <QStyleFactory>
#include <QDateTime>
const QByteArray GuessTextEncoding(const QByteArray& text){
bool allAscii;
int ii;
int size;
const QByteArray& s=text;
size = s.length();
if ( (size >= 3) && ((unsigned char)s[0]==0xEF) && ((unsigned char)s[1]==0xBB) && ((unsigned char)s[2]==0xBF)) {
return ENCODING_UTF8_BOM;
}
allAscii = true;
ii = 0;
while (ii < size) {
unsigned char ch = s[ii];
if (ch < 0x80 ) {
ii++; // is an ascii char
} else if (ch < 0xC0) { // value between 0x80 and 0xC0 is an invalid UTF-8 char
return ENCODING_SYSTEM_DEFAULT;
} else if (ch < 0xE0) { // should be an 2-byte UTF-8 char
if (ii>=size-1) {
return ENCODING_SYSTEM_DEFAULT;
}
unsigned char ch2=s[ii+1];
if ((ch2 & 0xC0) !=0x80) {
return ENCODING_SYSTEM_DEFAULT;
}
allAscii = false;
ii+=2;
} else if (ch < 0xF0) { // should be an 3-byte UTF-8 char
if (ii>=size-2) {
return ENCODING_SYSTEM_DEFAULT;
}
unsigned char ch2=s[ii+1];
unsigned char ch3=s[ii+2];
if (((ch2 & 0xC0)!=0x80) || ((ch3 & 0xC0)!=0x80)) {
return ENCODING_SYSTEM_DEFAULT;
}
allAscii = false;
ii+=3;
} else { // invalid UTF-8 char
return ENCODING_SYSTEM_DEFAULT;
}
}
if (allAscii)
return ENCODING_ASCII;
return ENCODING_UTF8;
}
bool isTextAllAscii(const QString& text) {
for (QChar c:text) {
if (c.unicode()>127) {
return false;
}
}
return true;
}
static bool gIsGreenEdition = false;
static bool gIsGreenEditionInited = false;
bool isGreenEdition()
{
if (!gIsGreenEditionInited) {
QSettings settings("Software\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\RedPanda-C++",
QSettings::NativeFormat);
QString regPath = QFileInfo(settings.value("UninstallString").toString()).absolutePath();
QString appPath = QApplication::instance()->applicationDirPath();
gIsGreenEdition = (regPath != appPath);
gIsGreenEditionInited = true;
}
return gIsGreenEdition;
}
QByteArray runAndGetOutput(const QString &cmd, const QString& workingDir, const QStringList& arguments, bool inheritEnvironment)
{
QProcess process;
QByteArray result;
if (inheritEnvironment) {
process.setProcessEnvironment(QProcessEnvironment::systemEnvironment());
} else {
process.setProcessEnvironment(QProcessEnvironment());
}
process.setWorkingDirectory(workingDir);
process.connect(&process,&QProcess::readyReadStandardError,
[&](){
result.append(process.readAllStandardError());
});
process.connect(&process,&QProcess::readyReadStandardOutput,
[&](){
result.append(process.readAllStandardOutput());
});
process.start(cmd,arguments);
process.closeWriteChannel();
process.waitForFinished();
return result;
}
bool isNonPrintableAsciiChar(char ch)
{
return (ch<=32) and (ch>=0);
}
bool fileExists(const QString &file)
{
return QFileInfo(file).exists();
}
bool fileExists(const QString &dir, const QString &fileName)
{
QDir dirInfo(dir);
return dirInfo.exists(fileName);
}
bool directoryExists(const QString &file)
{
QFileInfo dir(file);
return dir.exists() && dir.isDir();
}
QString includeTrailingPathDelimiter(const QString &path)
{
if (path.endsWith('/') || path.endsWith(QDir::separator())) {
return path;
} else {
return path + "/";
}
}
QString excludeTrailingPathDelimiter(const QString &path)
{
int pos = path.length()-1;
while (pos>=0 && (path[pos]=='/' || path[pos]==QDir::separator()))
pos--;
return path.mid(0,pos+1);
}
FileType getFileType(const QString &filename)
{
if (filename.endsWith(".c",PATH_SENSITIVITY)) {
return FileType::CSource;
}
if (filename.endsWith(".cpp",PATH_SENSITIVITY)) {
return FileType::CppSource;
}
if (filename.endsWith(".cc",PATH_SENSITIVITY)) {
return FileType::CppSource;
}
if (filename.endsWith(".cxx",PATH_SENSITIVITY)) {
return FileType::CppSource;
}
if (filename.endsWith(".c++",PATH_SENSITIVITY)) {
return FileType::CppSource;
}
if (filename.endsWith(".h",PATH_SENSITIVITY)) {
return FileType::CHeader;
}
if (filename.endsWith(".hpp",PATH_SENSITIVITY)) {
return FileType::CppHeader;
}
if (filename.endsWith(".hh",PATH_SENSITIVITY)) {
return FileType::CppHeader;
}
if (filename.endsWith(".hxx",PATH_SENSITIVITY)) {
return FileType::CppHeader;
}
if (filename.endsWith(".inl",PATH_SENSITIVITY)) {
return FileType::CppHeader;
}
if (filename.endsWith(".res",PATH_SENSITIVITY)) {
return FileType::WindowsResourceSource;
}
return FileType::Other;
}
QString getCompiledExecutableName(const QString filename)
{
QFileInfo info(filename);
QString baseName = includeTrailingPathDelimiter(info.absolutePath())+info.baseName();
return baseName + EXECUTABE_EXT;
}
void splitStringArguments(const QString &arguments, QStringList &argumentList)
{
QString word;
bool inQuota;
inQuota = false;
for (QChar ch:arguments) {
if (ch == '"') {
inQuota = !inQuota;
} else if (ch == '\n' || ch == ' ' || ch == '\t' || ch == '\r') {
if (!inQuota) {
word = word.trimmed();
if (!word.isEmpty()) {
argumentList.append(word);
}
word = "";
} else {
word.append(ch);
}
} else {
word.append(ch);
}
}
word = word.trimmed();
if (!word.isEmpty()) {
argumentList.append(word);
}
}
bool programHasConsole(const QString &filename)
{
bool result = false;
HANDLE handle = CreateFile(filename.toStdWString().c_str(), GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
if (handle != INVALID_HANDLE_VALUE) {
IMAGE_DOS_HEADER dos_header;
DWORD signature;
DWORD bytesread;
IMAGE_FILE_HEADER pe_header;
IMAGE_OPTIONAL_HEADER opt_header;
ReadFile(handle, &dos_header, sizeof(dos_header), &bytesread, NULL);
SetFilePointer(handle, dos_header.e_lfanew, NULL, 0);
ReadFile(handle, &signature, sizeof(signature), &bytesread, NULL);
ReadFile(handle, &pe_header, sizeof(pe_header), &bytesread, NULL);
ReadFile(handle, &opt_header, sizeof(opt_header), &bytesread, NULL);
result = (opt_header.Subsystem == IMAGE_SUBSYSTEM_WINDOWS_CUI);
}
CloseHandle(handle);
return result;
}
QString toLocalPath(const QString &filename)
{
QString newPath {filename};
newPath.replace("/",QDir::separator());
return newPath;
}
QStringList TextToLines(const QString &text)
{
QTextStream stream(&((QString&)text),QIODevice::ReadOnly);
return ReadStreamToLines(&stream);
}
QStringList ReadFileToLines(const QString& fileName, QTextCodec* codec)
{
QFile file(fileName);
if (file.open(QFile::ReadOnly)) {
QTextStream stream(&file);
stream.setCodec(codec);
stream.setAutoDetectUnicode(false);
return ReadStreamToLines(&stream);
}
return QStringList();
}
QStringList ReadStreamToLines(QTextStream *stream)
{
QStringList list;
QString s;
while (stream->readLineInto(&s)) {
list.append(s);
}
return list;
}
void ReadStreamToLines(QTextStream *stream,
LineProcessFunc lineFunc)
{
QString s;
while (stream->readLineInto(&s)) {
lineFunc(s);
}
}
void TextToLines(const QString &text, LineProcessFunc lineFunc)
{
QTextStream stream(&((QString&)text),QIODevice::ReadOnly);
ReadStreamToLines(&stream,lineFunc);
}
void ReadFileToLines(const QString &fileName, QTextCodec *codec, LineProcessFunc lineFunc)
{
QFile file(fileName);
if (file.open(QFile::ReadOnly)) {
QTextStream stream(&file);
stream.setCodec(codec);
stream.setAutoDetectUnicode(false);
ReadStreamToLines(&stream, lineFunc);
}
}
BaseError::BaseError(const QString &reason):
mReason(reason)
{
}
QString BaseError::reason() const
{
return mReason;
}
IndexOutOfRange::IndexOutOfRange(int Index):
BaseError(QObject::tr("Index %1 out of range").arg(Index))
{
}
FileError::FileError(const QString &reason): BaseError(reason)
{
}
void decodeKey(const int combinedKey, int &key, Qt::KeyboardModifiers &modifiers)
{
modifiers = Qt::NoModifier;
if (combinedKey & Qt::ShiftModifier) {
modifiers|=Qt::ShiftModifier;
}
if (combinedKey & Qt::ControlModifier) {
modifiers|=Qt::ControlModifier;
}
if (combinedKey & Qt::AltModifier) {
modifiers|=Qt::AltModifier;
}
if (combinedKey & Qt::MetaModifier) {
modifiers|=Qt::MetaModifier;
}
if (combinedKey & Qt::KeypadModifier) {
modifiers|= Qt::KeypadModifier;
}
key = combinedKey & ~(Qt::ShiftModifier | Qt::ControlModifier | Qt::AltModifier | Qt::MetaModifier | Qt::KeypadModifier);
}
void inflateRect(QRect &rect, int delta)
{
inflateRect(rect,delta,delta);
}
void inflateRect(QRect &rect, int dx, int dy)
{
rect.setLeft(rect.left()-dx);
rect.setRight(rect.right()+dx);
rect.setTop(rect.top()-dy);
rect.setBottom(rect.bottom()+dy);
}
QString TrimRight(const QString &s)
{
if (s.isEmpty())
return s;
int i = s.length()-1;
while ((i>=0) && ((s[i] == '\r') || (s[i]=='\n') || (s[i] == '\t') || (s[i]==' '))) {
i--;
};
if (i>=0) {
return s.left(i+1);
} else {
return QString();
}
}
bool StringIsBlank(const QString &s)
{
for (QChar ch:s) {
if (ch != ' ' && ch != '\t')
return false;
}
return true;
}
QString TrimLeft(const QString &s)
{
if (s.isEmpty())
return s;
int i=0;
while ((i<s.length()) && ((s[i] == '\r') || (s[i]=='\n') || (s[i] == '\t') || (s[i]==' '))) {
i++;
};
if (i<s.length()) {
return s.mid(i);
} else {
return QString();
}
}
void changeTheme(const QString &themeName)
{
if (themeName.isEmpty() || themeName == "default") {
QApplication::setStyle("Fusion");
return ;
}
QStyleFactory styleFactory;
if (styleFactory.keys().contains(themeName)) {
QApplication::setStyle(themeName);
}
QFile f(QString(":/themes/%1/style.qss").arg(themeName));
if (!f.exists()) {
qDebug()<<"Unable to set stylesheet, file not found\n";
} else {
f.open(QFile::ReadOnly | QFile::Text);
QTextStream ts(&f);
dynamic_cast<QApplication*>(QApplication::instance())->setStyleSheet(ts.readAll());
}
}
int compareFileModifiedTime(const QString &filename1, const QString &filename2)
{
QFileInfo fileInfo1(filename1);
QFileInfo fileInfo2(filename2);
qint64 time1=fileInfo1.lastModified().toMSecsSinceEpoch();
qint64 time2=fileInfo2.lastModified().toMSecsSinceEpoch();
if (time1 > time2)
return 1;
if (time1 < time2)
return -1;
return 0;
}