qsrun/config.cpp

183 righe
4.1 KiB
C++

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/*
* Copyright (c) 2018 Albert S. <mail at quitesimple dot org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
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#include "config.h"
#include <QDirIterator>
#include <QDebug>
#include <QTextStream>
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ConfigReader::ConfigReader(QStringList paths)
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{
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this->configPaths = paths;
desktopIgnoreArgs << "%F" << "%f" << "%U" << "%u";
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}
EntryConfig ConfigReader::readFromDesktopFile(const QString &path)
{
EntryConfig result;
QFile file(path);
if (!file.open(QIODevice::ReadOnly | QIODevice::Text))
{
//TODO: better exception class
throw new std::runtime_error("Failed to open file");
}
QTextStream stream(&file);
QString firstline = stream.readLine();
//There should be nothing preceding this group in the desktop entry file but possibly one or more comments.
//https://standards.freedesktop.org/desktop-entry-spec/latest/ar01s03.html#group-header
while(firstline[0] == '#' && !stream.atEnd())
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{
firstline = stream.readLine();
}
if(firstline != "[Desktop Entry]")
{
throw new ConfigFormatException(".desktop file does not start with [Desktop Entry]");
}
while(!stream.atEnd())
{
QString line = stream.readLine();
//new group, so we are finished with [Desktop Entry]
if(line.startsWith("[") && line.endsWith("]"))
{
return result;
}
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QStringList splitted = line.split("=");
if(splitted.length() >= 2)
{
QString key = splitted[0].toLower();
if(key == "name")
{
if(result.name.length() == 0)
{
result.name = splitted[1];
}
}
if(key == "icon")
{
result.icon = QIcon::fromTheme(splitted[1]);
}
if(key == "exec")
{
QStringList arguments = splitted[1].split(" ");
result.command = arguments[0];
arguments = arguments.mid(1);
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if(arguments.length() > 1)
{
for(QString &arg : arguments)
{
if(!desktopIgnoreArgs.contains(arg))
{
result.arguments.append(arg);
}
}
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}
}
}
}
return result;
}
/* qsrun own's config file */
EntryConfig ConfigReader::readFromFile(const QString &path)
{
EntryConfig result;
QFile file(path);
if (!file.open(QIODevice::ReadOnly | QIODevice::Text))
{
//TODO: better exception class
throw new std::runtime_error("Failed to open file");
}
QTextStream stream(&file);
while(!stream.atEnd())
{
QString line = stream.readLine();
QStringList splitted = line.split(" ");
if(splitted.length() < 2)
{
throw new ConfigFormatException("misformated line in .qsrun config file");
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}
QString key = splitted[0];
if(key == "arguments")
{
result.arguments = splitted.mid(1);
}
if(key == "name")
{
result.name = splitted[1];
}
if(key == "icon")
{
result.icon = QIcon(splitted[1]);
}
if(key == "row")
{
result.row = splitted[1].toInt();
}
if(key == "col")
{
result.col = splitted[1].toInt();
}
if(key == "command")
{
result.command = splitted[1];
}
if(key == "key")
{
//QKeySequence sequence(splitted[1]);
//result.keySequence = sequence;
result.key = splitted[1].toLower();
}
}
return result;
}
QVector<EntryConfig> ConfigReader::readConfig()
{
QVector<EntryConfig> result;
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for(QString &configPath : configPaths)
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{
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QDirIterator it(configPath);
while(it.hasNext())
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{
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QString path = it.next();
QFileInfo info(path);
if(info.isFile())
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{
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QString suffix = info.completeSuffix();
if(suffix == "desktop")
{
result.append(readFromDesktopFile(path));
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}
if(suffix == "qsrun")
{
result.append(readFromFile(path));
}
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}
}
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}
return result;
}