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author | Weblate <noreply@weblate.org> | 2016-12-14 21:54:31 +0000 |
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committer | Weblate <noreply@weblate.org> | 2016-12-14 21:54:31 +0000 |
commit | b965af1625a4296f8ff6d3a1663cae23b73d334f (patch) | |
tree | 459685dd1da8c75f67772762aa062d80dfc148f0 /src-qt5/desktop-utils/lumina-archiver/TarBackend.cpp | |
parent | Translated using Weblate (lumina_DESKTOP@fr (generated)) (diff) | |
parent | Merge branch 'master' of github.com:trueos/lumina (diff) | |
download | lumina-b965af1625a4296f8ff6d3a1663cae23b73d334f.tar.gz lumina-b965af1625a4296f8ff6d3a1663cae23b73d334f.tar.bz2 lumina-b965af1625a4296f8ff6d3a1663cae23b73d334f.zip |
Merge branch 'master' of github.com:trueos/lumina
Diffstat (limited to 'src-qt5/desktop-utils/lumina-archiver/TarBackend.cpp')
-rw-r--r-- | src-qt5/desktop-utils/lumina-archiver/TarBackend.cpp | 254 |
1 files changed, 254 insertions, 0 deletions
diff --git a/src-qt5/desktop-utils/lumina-archiver/TarBackend.cpp b/src-qt5/desktop-utils/lumina-archiver/TarBackend.cpp new file mode 100644 index 00000000..78efd51c --- /dev/null +++ b/src-qt5/desktop-utils/lumina-archiver/TarBackend.cpp @@ -0,0 +1,254 @@ +//=========================================== +// Lumina-DE source code +// Copyright (c) 2016, Ken Moore +// Available under the 3-clause BSD license +// See the LICENSE file for full details +//=========================================== +#include "TarBackend.h" +#include <QFile> +#include <QDir> +#include <QDebug> + +Backend::Backend(QObject *parent) : QObject(parent){ + //Setup the backend process + PROC.setProcessChannelMode(QProcess::MergedChannels); + PROC.setProgram("tar"); + connect(&PROC, SIGNAL(finished(int, QProcess::ExitStatus)), this, SLOT(procFinished(int, QProcess::ExitStatus)) ); + connect(&PROC, SIGNAL(readyReadStandardOutput()), this, SLOT(processData()) ); + connect(&PROC, SIGNAL(started()), this, SIGNAL(ProcessStarting()) ); + LIST = STARTING = false; +} + +Backend::~Backend(){ + +} + +//=============== +// PUBLIC +//=============== +void Backend::loadFile(QString path){ + filepath = path; + tmpfilepath = filepath.section("/",0,-2)+"/"+".tmp_larchiver_"+filepath.section("/",-1); + flags.clear(); + flags << "-f" << filepath; //add the actual archive path + if(QFile::exists(path)){ startList(); } + else{ contents.clear(); emit ProcessFinished(true, ""); } +} + +bool Backend::canModify(){ + static QStringList validEXT; + if( validEXT.isEmpty() ){ + validEXT << ".zip" << ".tar.gz" << ".tgz" << ".tar.xz" << ".txz" << ".tar.bz" << ".tbz" << ".tar.bz2" << ".tbz2" << ".tar" \ + << ".tar.lzma" << ".tlz" << ".cpio" << ".pax" << ".ar" << ".shar" << ".7z"; + } + for(int i=0; i<validEXT.length(); i++){ + if(filepath.endsWith(validEXT[i])){ return true; } + } + return false; +} + +QString Backend::currentFile(){ + return filepath; +} + +bool Backend::isWorking(){ + return (PROC.state() != QProcess::Running); +} + +//Listing routines +QStringList Backend::heirarchy(){ + return contents.keys(); +} + +double Backend::size(QString file){ + if(!contents.contains(file)){ return -1; } + return contents.value(file)[1].toDouble(); +} + +double Backend::csize(QString file){ + if(!contents.contains(file)){ return -1; } + return contents.value(file)[1].toDouble(); +} + +bool Backend::isDir(QString file){ + if(!contents.contains(file)){ return false; } + return contents.value(file)[0].startsWith("d"); +} + +bool Backend::isLink(QString file){ + if(!contents.contains(file)){ return false; } + return contents.value(file)[0].startsWith("l"); +} + +QString Backend::linkTo(QString file){ + if(!contents.contains(file)){ return ""; } + return contents.value(file)[2]; +} + +//Modification routines +void Backend::startAdd(QStringList paths){ + //NOTE: All the "paths" have to have the same parent directory + if(paths.contains(filepath)){ paths.removeAll(filepath); } + if(paths.isEmpty()){ return; } + QStringList args; + args << "-c" << "-a"; + args << flags; + //Now setup the parent dir + QString parent = paths[0].section("/",0,-2); + for(int i=0; i<paths.length(); i++){ + paths[i] = paths[i].section(parent,1,-1); + if(paths[i].startsWith("/")){ paths[i].remove(0,1); } + } + args << "-C" << parent; + args << paths; + if(QFile::exists(filepath)){ //append to existing + args.replaceInStrings(filepath, tmpfilepath); + args<< "@"+filepath; + } + STARTING=true; + PROC.start("tar", args); +} + +void Backend::startRemove(QStringList paths){ + if(paths.contains(filepath)){ paths.removeAll(filepath); } + if(contents.isEmpty() || paths.isEmpty() || !QFile::exists(filepath)){ return; } //invalid + QStringList args; + args << "-c" << "-a"; + args << flags; + args.replaceInStrings(filepath, tmpfilepath); + //Add the include rules for all the files we want to keep (no exclude option in "tar") + for(int i=0; i<paths.length(); i++){ + args << "--exclude" << paths[i]; + } + args<< "@"+filepath; + STARTING=true; + PROC.start("tar", args); +} + +void Backend::startExtract(QString path, bool overwrite, QString file){ + startExtract(path, overwrite, QStringList() << file); //overload for multi-file function +} + +void Backend::startExtract(QString path, bool overwrite, QStringList files){ + QStringList args; + args << "-x" << "--no-same-owner"; + if(!overwrite){ args << "-k"; } + args << flags; + for(int i=0; i<files.length(); i++){ + if(files[i].simplified().isEmpty()){ continue; } + args << "--include" << files[i] << "--strip-components" << QString::number(files[i].count("/")); + } + args << "-C" << path; + STARTING=true; + //qDebug() << "Starting command:" << "tar" << args; + PROC.start("tar", args); +} + +void Backend::startViewFile(QString path){ + QStringList args; + args << "-x"; + args << flags <<"--include" << path <<"--strip-components" << QString::number(path.count("/")) << "-C" << QDir::tempPath(); + STARTING=true; + qDebug() << "Starting command:" << "tar" << args; + PROC.start("tar", args); +} + +//=============== +// PUBLIC SLOTS +//=============== + +//=============== +// PRIVATE +//=============== +void Backend::parseLines(QStringList lines){ + for(int i=0; i<lines.length(); i++){ + QStringList info = lines[i].split(" ",QString::SkipEmptyParts); + //Format: [perms, ?, user, group, size, month, day, time, file] + if(info.startsWith("x ") && filepath.endsWith(".zip")){ + //ZIP archives do not have all the extra information - just filenames + while(info.length()>2){ info[1]=info[1]+" "+info[2]; } + QString file = info[1]; + QString perms = ""; + if(file.endsWith("/")){ perms = "d"; file.chop(1); } + contents.insert(file, QStringList() << perms << "-1" <<""); //Save the [perms, size, linkto ] + } + else if(info.length()<9){ continue; } //invalid line + //TAR Archive parsing + while(info.length()>9){ info[8] = info[8]+" "+info[9]; info.removeAt(9); } //Filename has spaces in it + QString file = info[8]; + if(file.endsWith("/")){ file.chop(1); } + QString linkto; + //See if this file has the "link to" or "->" notation + if(file.contains(" -> ")){ linkto = file.section(" -> ",1,-1); file = file.section(" -> ",0,0); } + else if(file.contains(" link to ")){ + //Special case - alternate form of a link within a tar archive (not reflected in perms) + linkto = file.section(" link to ",1,-1); + file = file.section(" link to ",0,0); + if(info[0].startsWith("-")){ info[0].replace(0,1,"l"); } + } + contents.insert(file, QStringList() << info[0] << info[4] << linkto); //Save the [perms, size, linkto ] + } +} + +void Backend::startList(){ + contents.clear(); + QStringList args; + args << "-tv"; + LIST = STARTING=true; + PROC.start("tar", QStringList() << args << flags); +} + +//=============== +// PRIVATE SLOTS +//=============== +void Backend::procFinished(int retcode, QProcess::ExitStatus){ + static QString result; + processData(); + //qDebug() << "Process Finished:" << PROC.arguments() << retcode; + LIST = STARTING = false; + if(PROC.arguments().contains("-tv")){ + if(retcode!=0){ contents.clear(); } //could not read archive + emit ProcessFinished(true,result); + result.clear(); + }else{ + bool needupdate = true; + QStringList args = PROC.arguments(); + if(args.contains("-x") && retcode==0){ + needupdate=false; + if(args.count("--include")==1){ + //Need to find the full path to the (single) extracted file + QString path = args.last() +"/"+ args[ args.indexOf("--include")+1].section("/",-1); + QFile::setPermissions(path, QFileDevice::ReadOwner); + QProcess::startDetached("xdg-open \""+path+"\""); + }else{ + //Multi-file extract - open the dir instead + QProcess::startDetached("xdg-open \""+ args.last()+"\""); //just extracted to a dir - open it now + } + }else if(args.contains("-c") && QFile::exists(tmpfilepath)){ + if(retcode==0){ + QFile::remove(filepath); + QFile::rename(tmpfilepath, filepath); + }else{ + QFile::remove(tmpfilepath); + } + } + if(args.contains("-x")){ result = tr("Extraction Finished"); } + else if(args.contains("-c")){ result = tr("Modification Finished"); } + if(needupdate){ startList(); } + else{ emit ProcessFinished(retcode==0, result); result.clear(); } + } +} + +void Backend::processData(){ + //Read the process + static QString data; + QString read = data+PROC.readAllStandardOutput(); + if(read.endsWith("\n")){ data.clear(); } + else{ data = read.section("\n",-1); read = read.section("\n",0,-2); } + QStringList lines = read.split("\n",QString::SkipEmptyParts); + QString info; + if(LIST){ parseLines(lines); } + else if(!lines.isEmpty()){ info = lines.last(); } + //qDebug() << lines; + emit ProgressUpdate(-1, info); +} |