Trash instances instead of deleting (when possible) (#549)

Squashed because of :pofat: commit history
This commit is contained in:
Ryan Cao
2022-07-31 01:42:33 +08:00
committed by GitHub
parent 94a63e3859
commit b15544c163
6 changed files with 355 additions and 401 deletions

View File

@ -35,76 +35,64 @@
#include "FileSystem.h"
#include <QDebug>
#include <QDir>
#include <QFile>
#include <QSaveFile>
#include <QFileInfo>
#include <QDebug>
#include <QUrl>
#include <QSaveFile>
#include <QStandardPaths>
#include <QTextStream>
#include <QUrl>
#if defined Q_OS_WIN32
#include <windows.h>
#include <string>
#include <sys/utime.h>
#include <winnls.h>
#include <shobjidl.h>
#include <objbase.h>
#include <objidl.h>
#include <shlguid.h>
#include <shlobj.h>
#include <objbase.h>
#include <objidl.h>
#include <shlguid.h>
#include <shlobj.h>
#include <shobjidl.h>
#include <sys/utime.h>
#include <windows.h>
#include <winnls.h>
#include <string>
#else
#include <utime.h>
#include <utime.h>
#endif
namespace FS {
void ensureExists(const QDir &dir)
void ensureExists(const QDir& dir)
{
if (!QDir().mkpath(dir.absolutePath()))
{
throw FileSystemException("Unable to create folder " + dir.dirName() + " (" +
dir.absolutePath() + ")");
if (!QDir().mkpath(dir.absolutePath())) {
throw FileSystemException("Unable to create folder " + dir.dirName() + " (" + dir.absolutePath() + ")");
}
}
void write(const QString &filename, const QByteArray &data)
void write(const QString& filename, const QByteArray& data)
{
ensureExists(QFileInfo(filename).dir());
QSaveFile file(filename);
if (!file.open(QSaveFile::WriteOnly))
{
throw FileSystemException("Couldn't open " + filename + " for writing: " +
file.errorString());
if (!file.open(QSaveFile::WriteOnly)) {
throw FileSystemException("Couldn't open " + filename + " for writing: " + file.errorString());
}
if (data.size() != file.write(data))
{
throw FileSystemException("Error writing data to " + filename + ": " +
file.errorString());
if (data.size() != file.write(data)) {
throw FileSystemException("Error writing data to " + filename + ": " + file.errorString());
}
if (!file.commit())
{
throw FileSystemException("Error while committing data to " + filename + ": " +
file.errorString());
if (!file.commit()) {
throw FileSystemException("Error while committing data to " + filename + ": " + file.errorString());
}
}
QByteArray read(const QString &filename)
QByteArray read(const QString& filename)
{
QFile file(filename);
if (!file.open(QFile::ReadOnly))
{
throw FileSystemException("Unable to open " + filename + " for reading: " +
file.errorString());
if (!file.open(QFile::ReadOnly)) {
throw FileSystemException("Unable to open " + filename + " for reading: " + file.errorString());
}
const qint64 size = file.size();
QByteArray data(int(size), 0);
const qint64 ret = file.read(data.data(), size);
if (ret == -1 || ret != size)
{
throw FileSystemException("Error reading data from " + filename + ": " +
file.errorString());
if (ret == -1 || ret != size) {
throw FileSystemException("Error reading data from " + filename + ": " + file.errorString());
}
return data;
}
@ -138,12 +126,12 @@ bool ensureFolderPathExists(QString foldernamepath)
return success;
}
bool copy::operator()(const QString &offset)
bool copy::operator()(const QString& offset)
{
//NOTE always deep copy on windows. the alternatives are too messy.
#if defined Q_OS_WIN32
// NOTE always deep copy on windows. the alternatives are too messy.
#if defined Q_OS_WIN32
m_followSymlinks = true;
#endif
#endif
auto src = PathCombine(m_src.absolutePath(), offset);
auto dst = PathCombine(m_dst.absolutePath(), offset);
@ -152,52 +140,39 @@ bool copy::operator()(const QString &offset)
if (!currentSrc.exists())
return false;
if(!m_followSymlinks && currentSrc.isSymLink())
{
if (!m_followSymlinks && currentSrc.isSymLink()) {
qDebug() << "creating symlink" << src << " - " << dst;
if (!ensureFilePathExists(dst))
{
if (!ensureFilePathExists(dst)) {
qWarning() << "Cannot create path!";
return false;
}
return QFile::link(currentSrc.symLinkTarget(), dst);
}
else if(currentSrc.isFile())
{
} else if (currentSrc.isFile()) {
qDebug() << "copying file" << src << " - " << dst;
if (!ensureFilePathExists(dst))
{
if (!ensureFilePathExists(dst)) {
qWarning() << "Cannot create path!";
return false;
}
return QFile::copy(src, dst);
}
else if(currentSrc.isDir())
{
} else if (currentSrc.isDir()) {
qDebug() << "recursing" << offset;
if (!ensureFolderPathExists(dst))
{
if (!ensureFolderPathExists(dst)) {
qWarning() << "Cannot create path!";
return false;
}
QDir currentDir(src);
for(auto & f : currentDir.entryList(QDir::Files | QDir::Dirs | QDir::NoDotAndDotDot | QDir::Hidden | QDir::System))
{
for (auto& f : currentDir.entryList(QDir::Files | QDir::Dirs | QDir::NoDotAndDotDot | QDir::Hidden | QDir::System)) {
auto inner_offset = PathCombine(offset, f);
// ignore and skip stuff that matches the blacklist.
if(m_blacklist && m_blacklist->matches(inner_offset))
{
if (m_blacklist && m_blacklist->matches(inner_offset)) {
continue;
}
if(!operator()(inner_offset))
{
if (!operator()(inner_offset)) {
qWarning() << "Failed to copy" << inner_offset;
return false;
}
}
}
else
{
} else {
qCritical() << "Copy ERROR: Unknown filesystem object:" << src;
return false;
}
@ -208,55 +183,41 @@ bool deletePath(QString path)
{
bool OK = true;
QFileInfo finfo(path);
if(finfo.isFile()) {
if (finfo.isFile()) {
return QFile::remove(path);
}
QDir dir(path);
if (!dir.exists())
{
if (!dir.exists()) {
return OK;
}
auto allEntries = dir.entryInfoList(QDir::NoDotAndDotDot | QDir::System | QDir::Hidden |
QDir::AllDirs | QDir::Files,
QDir::DirsFirst);
auto allEntries = dir.entryInfoList(QDir::NoDotAndDotDot | QDir::System | QDir::Hidden | QDir::AllDirs | QDir::Files, QDir::DirsFirst);
for(auto & info: allEntries)
{
for (auto& info : allEntries) {
#if defined Q_OS_WIN32
QString nativePath = QDir::toNativeSeparators(info.absoluteFilePath());
auto wString = nativePath.toStdWString();
DWORD dwAttrs = GetFileAttributesW(wString.c_str());
// Windows: check for junctions, reparse points and other nasty things of that sort
if(dwAttrs & FILE_ATTRIBUTE_REPARSE_POINT)
{
if (info.isFile())
{
if (dwAttrs & FILE_ATTRIBUTE_REPARSE_POINT) {
if (info.isFile()) {
OK &= QFile::remove(info.absoluteFilePath());
}
else if (info.isDir())
{
} else if (info.isDir()) {
OK &= dir.rmdir(info.absoluteFilePath());
}
}
#else
// We do not trust Qt with reparse points, but do trust it with unix symlinks.
if(info.isSymLink())
{
if (info.isSymLink()) {
OK &= QFile::remove(info.absoluteFilePath());
}
#endif
else if (info.isDir())
{
else if (info.isDir()) {
OK &= deletePath(info.absoluteFilePath());
}
else if (info.isFile())
{
} else if (info.isFile()) {
OK &= QFile::remove(info.absoluteFilePath());
}
else
{
} else {
OK = false;
qCritical() << "Delete ERROR: Unknown filesystem object:" << info.absoluteFilePath();
}
@ -265,22 +226,30 @@ bool deletePath(QString path)
return OK;
}
QString PathCombine(const QString & path1, const QString & path2)
bool trash(QString path, QString *pathInTrash = nullptr)
{
if(!path1.size())
#if QT_VERSION < QT_VERSION_CHECK(5, 15, 0)
return false;
#else
return QFile::moveToTrash(path, pathInTrash);
#endif
}
QString PathCombine(const QString& path1, const QString& path2)
{
if (!path1.size())
return path2;
if(!path2.size())
if (!path2.size())
return path1;
return QDir::cleanPath(path1 + QDir::separator() + path2);
}
QString PathCombine(const QString & path1, const QString & path2, const QString & path3)
QString PathCombine(const QString& path1, const QString& path2, const QString& path3)
{
return PathCombine(PathCombine(path1, path2), path3);
}
QString PathCombine(const QString & path1, const QString & path2, const QString & path3, const QString & path4)
QString PathCombine(const QString& path1, const QString& path2, const QString& path3, const QString& path4)
{
return PathCombine(PathCombine(path1, path2, path3), path4);
}
@ -292,17 +261,14 @@ QString AbsolutePath(QString path)
QString ResolveExecutable(QString path)
{
if (path.isEmpty())
{
if (path.isEmpty()) {
return QString();
}
if(!path.contains('/'))
{
if (!path.contains('/')) {
path = QStandardPaths::findExecutable(path);
}
QFileInfo pathInfo(path);
if(!pathInfo.exists() || !pathInfo.isExecutable())
{
if (!pathInfo.exists() || !pathInfo.isExecutable()) {
return QString();
}
return pathInfo.absoluteFilePath();
@ -322,12 +288,9 @@ QString NormalizePath(QString path)
QDir b(path);
QString newAbsolute = b.absolutePath();
if (newAbsolute.startsWith(currentAbsolute))
{
if (newAbsolute.startsWith(currentAbsolute)) {
return a.relativeFilePath(newAbsolute);
}
else
{
} else {
return newAbsolute;
}
}
@ -336,10 +299,8 @@ QString badFilenameChars = "\"\\/?<>:;*|!+\r\n";
QString RemoveInvalidFilenameChars(QString string, QChar replaceWith)
{
for (int i = 0; i < string.length(); i++)
{
if (badFilenameChars.contains(string[i]))
{
for (int i = 0; i < string.length(); i++) {
if (badFilenameChars.contains(string[i])) {
string[i] = replaceWith;
}
}
@ -351,15 +312,12 @@ QString DirNameFromString(QString string, QString inDir)
int num = 0;
QString baseName = RemoveInvalidFilenameChars(string, '-');
QString dirName;
do
{
if(num == 0)
{
do {
if (num == 0) {
dirName = baseName;
}
else
{
dirName = baseName + QString::number(num);;
} else {
dirName = baseName + QString::number(num);
;
}
// If it's over 9000
@ -383,36 +341,31 @@ bool checkProblemticPathJava(QDir folder)
bool called_coinit = false;
HRESULT CreateLink(LPCSTR linkPath, LPCSTR targetPath, LPCSTR args)
HRESULT CreateLink(LPCCH linkPath, LPCWSTR targetPath, LPCWSTR args)
{
HRESULT hres;
if (!called_coinit)
{
if (!called_coinit) {
hres = CoInitialize(NULL);
called_coinit = true;
if (!SUCCEEDED(hres))
{
if (!SUCCEEDED(hres)) {
qWarning("Failed to initialize COM. Error 0x%08lX", hres);
return hres;
}
}
IShellLinkA *link;
hres = CoCreateInstance(CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER, IID_IShellLink,
(LPVOID *)&link);
IShellLink* link;
hres = CoCreateInstance(CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER, IID_IShellLink, (LPVOID*)&link);
if (SUCCEEDED(hres))
{
IPersistFile *persistFile;
if (SUCCEEDED(hres)) {
IPersistFile* persistFile;
link->SetPath(targetPath);
link->SetArguments(args);
hres = link->QueryInterface(IID_IPersistFile, (LPVOID *)&persistFile);
if (SUCCEEDED(hres))
{
hres = link->QueryInterface(IID_IPersistFile, (LPVOID*)&persistFile);
if (SUCCEEDED(hres)) {
WCHAR wstr[MAX_PATH];
MultiByteToWideChar(CP_ACP, 0, linkPath, -1, wstr, MAX_PATH);
@ -433,8 +386,7 @@ QString getDesktopDir()
}
// Cross-platform Shortcut creation
bool createShortCut(QString location, QString dest, QStringList args, QString name,
QString icon)
bool createShortCut(QString location, QString dest, QStringList args, QString name, QString icon)
{
#if defined(Q_OS_LINUX) || defined(Q_OS_FREEBSD)
location = PathCombine(location, name + ".desktop");
@ -459,8 +411,7 @@ bool createShortCut(QString location, QString dest, QStringList args, QString na
stream.flush();
f.close();
f.setPermissions(f.permissions() | QFileDevice::ExeOwner | QFileDevice::ExeGroup |
QFileDevice::ExeOther);
f.setPermissions(f.permissions() | QFileDevice::ExeOwner | QFileDevice::ExeGroup | QFileDevice::ExeOther);
return true;
#elif defined Q_OS_WIN