pollymc/launcher/FileSystem.h

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// Licensed under the Apache-2.0 license. See README.md for details.
#pragma once
#include "Exception.h"
#include "pathmatcher/IPathMatcher.h"
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#include <QDir>
#include <QFlags>
namespace FS
{
class FileSystemException : public ::Exception
{
public:
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FileSystemException(const QString &message) : Exception(message) {}
};
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/**
* write data to a file safely
*/
void write(const QString &filename, const QByteArray &data);
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/**
* read data from a file safely\
*/
QByteArray read(const QString &filename);
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/**
* Update the last changed timestamp of an existing file
*/
bool updateTimestamp(const QString & filename);
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/**
* Creates all the folders in a path for the specified path
* last segment of the path is treated as a file name and is ignored!
*/
bool ensureFilePathExists(QString filenamepath);
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/**
* Creates all the folders in a path for the specified path
* last segment of the path is treated as a folder name and is created!
*/
bool ensureFolderPathExists(QString filenamepath);
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class copy
{
public:
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copy(const QString & src, const QString & dst)
{
m_src = src;
m_dst = dst;
}
copy & followSymlinks(const bool follow)
{
m_followSymlinks = follow;
return *this;
}
copy & blacklist(const IPathMatcher * filter)
{
m_blacklist = filter;
return *this;
}
bool operator()()
{
return operator()(QString());
}
private:
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bool operator()(const QString &offset);
private:
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bool m_followSymlinks = true;
const IPathMatcher * m_blacklist = nullptr;
QDir m_src;
QDir m_dst;
};
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/**
* Delete a folder recursively
*/
bool deletePath(QString path);
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QString PathCombine(const QString &path1, const QString &path2);
QString PathCombine(const QString &path1, const QString &path2, const QString &path3);
QString PathCombine(const QString &path1, const QString &path2, const QString &path3, const QString &path4);
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QString AbsolutePath(QString path);
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/**
* Resolve an executable
*
* Will resolve:
* single executable (by name)
* relative path
* absolute path
*
* @return absolute path to executable or null string
*/
QString ResolveExecutable(QString path);
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/**
* Normalize path
*
* Any paths inside the current directory will be normalized to relative paths (to current)
* Other paths will be made absolute
*
* Returns false if the path logic somehow filed (and normalizedPath in invalid)
*/
QString NormalizePath(QString path);
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QString RemoveInvalidFilenameChars(QString string, QChar replaceWith = '-');
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QString DirNameFromString(QString string, QString inDir = ".");
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/// Checks if the a given Path contains "!"
bool checkProblemticPathJava(QDir folder);
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// Get the Directory representing the User's Desktop
QString getDesktopDir();
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// Overrides one folder with the contents of another, preserving items exclusive to the first folder
// Equivalent to doing QDir::rename, but allowing for overrides
bool overrideFolder(QString overwritten_path, QString override_path);
}