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/*
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version
2 of the License, or (at your option) any later version.
*/
#include <QString>
#include <QByteArray>
#include <QFileInfo>
#include <QFile>
#include <QSettings>
#include <QCryptographicHash>
#include <QHash>
#include <QSettings>
#include "helper.h"
namespace Helper {
const QString mimeType(const QString &path){
QString retval;
magic_t mc = magic_open(MAGIC_MIME_TYPE);
QByteArray name = path.toUtf8();
if(mc){
magic_load(mc, 0);
const char* magic_c = magic_file(mc, name.constData());
retval = QString(magic_c);
magic_close(mc);
}
if(retval.toLower().startsWith("application/octet-stream")){
magic_t mc = magic_open(MAGIC_NONE);
if(mc){
magic_load(mc, 0);
const char* magic_c = magic_file(mc, name.constData());
QString desc(magic_c);
magic_close(mc);
if(desc.toLower().contains("mpeg sequence") || desc.toLower().contains("microsoft asf") || desc.toLower().contains("matroska data")){
retval = "video/";
}
}
}
return retval;
}
const QString md5Sum(const QString &path){
QFileInfo info(path);
if(!info.exists() || !info.isFile()){
return QString();
}
QString retval;
QCryptographicHash h(QCryptographicHash::Md5);
QFile file(path);
file.open(QIODevice::ReadOnly);
qint64 read = 0;
if(info.size() < (5 * 1024 * 1024)){
QByteArray data(4096, '\0');
do {
read = file.read(data.data(), 4096);
h.addData(data.data(), read);
} while (read == 4096);
QByteArray res = h.result();
retval = res.toHex().toLower();
}else{
QByteArray data(512, '\0');
int offset = info.size() / 3;
file.seek(offset);
int numBytes = 512 * 1024;
int readBytes = 0;
do {
read = file.read(data.data(), 512);
readBytes += read;
h.addData(data.data(), read);
} while(readBytes < numBytes);
QByteArray res = h.result();
retval = res.toHex().toLower();
}
return retval;
}
const QString moveToArchive(const QString &path, const QString &md5){
QFileInfo info(path);
if(!info.exists()){
return QString();
}
QFileInfo destFile = QFileInfo(createArchivePath(path, md5));
if(destFile.exists()){
destFile = QFileInfo(createArchivePath(path, md5, true));
if(destFile.exists()){
return QString();
}
}
bool success = QFile::rename(path, destFile.absoluteFilePath());
if(success){
return destFile.absoluteFilePath();
}
return QString();
}
bool removeFromArchive(const QString &fileName, const QString &md5){
QString file = createArchivePath(fileName, md5);
QFileInfo info(file);
if(!info.exists()){
return false;
}
return QFile::remove(file);
}
const QString createArchivePath(const QString &path, const QString &md5, bool withMd5){
QSettings s;
QString archiveDir = s.value("paths/archivedir").toString();
QFileInfo info(path);
QString retval;
if(withMd5){
retval = QString("%1/%2/%3/%4_%5.%6").arg(archiveDir).arg(md5[0]).arg(md5[1]).arg(info.completeBaseName()).arg(md5).arg(info.suffix());
}else{
retval = QString("%1/%2/%3/%4").arg(archiveDir).arg(md5[0]).arg(md5[1]).arg(info.fileName());
}
return retval;
}
QPair<QString, QStringList> programData(const QString &prefix, const QString &preferred){
QSettings s;
QString section = QString("programs_%1").arg(prefix);
QHash<QString, QVariant> data = s.value(QString("%1/data").arg(section)).toHash();
if(data.isEmpty()){
return QPair<QString, QStringList>();
}
QHash<QString, QVariant> programData;
if(!preferred.isEmpty()){
if(data.keys().contains(preferred)){
programData = data.value(preferred).toHash();
return qMakePair(programData.value("path").toString(), programData.value("args").toStringList());
}
return QPair<QString, QStringList>();
}
QString defaultProg = s.value(QString("%1/default").arg(section)).toString();
if(defaultProg.isEmpty()){
return QPair<QString, QStringList>();
}
programData = data.value(defaultProg).toHash();
return qMakePair(programData.value("path").toString(), programData.value("args").toStringList());
}
bool StringListContains::operator()(const QString s, const QString &part) const {
return s.contains(part);
}
bool SortFileInfoList::operator ()(const QFileInfo &lhs, const QFileInfo &rhs) const {
return lhs.fileName().toLower() < rhs.fileName().toLower();
}
bool FileInfoListContains::operator ()(const QFileInfo &info, const QString &file) const {
return info.fileName() == file;
}
}
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