qsrun/entryprovider.cpp
Albert S f03e247bd8 merge configreader/configprovider into entryprovider
settings-related methods that don't have any relation
to entries will be moved to a seperate file
settingsprovider
2020-09-06 19:40:46 +02:00

227 lines
4.8 KiB
C++

#include "entryprovider.h"
#include <QDebug>
#include <QDirIterator>
#include <QTextStream>
EntryProvider::EntryProvider(QStringList userEntriesDirsPaths, QStringList systemEntriesDirsPaths)
{
this->userEntriesDirsPaths = userEntriesDirsPaths;
this->systemEntriesDirsPaths = systemEntriesDirsPaths;
_desktopIgnoreArgs << "%F"
<< "%f"
<< "%U"
<< "%u";
}
EntryConfig EntryProvider::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);
// 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
QString firstLine;
do
{
firstLine = stream.readLine().trimmed();
} while(!stream.atEnd() && (firstLine.isEmpty() || firstLine[0] == '#'));
if(firstLine != "[Desktop Entry]")
{
throw ConfigFormatException(".desktop file does not start with [Desktop Entry]: " + path.toStdString());
}
while(!stream.atEnd())
{
QString line = stream.readLine();
// new group, so we are finished with [Desktop Entry]
if(line.startsWith("[") && line.endsWith("]"))
{
return result;
}
QString key = line.section('=', 0, 0).toLower();
QString args = line.section('=', 1);
if(key == "name")
{
if(result.name.length() == 0)
{
result.name = args;
}
}
if(key == "icon")
{
result.icon = QIcon::fromTheme(args);
}
if(key == "exec")
{
QStringList arguments = args.split(" ");
result.command = arguments[0];
arguments = arguments.mid(1);
if(arguments.length() > 1)
{
for(QString &arg : arguments)
{
if(!_desktopIgnoreArgs.contains(arg))
{
result.arguments.append(arg);
}
}
}
}
}
return result;
}
/* qsrun own's config file */
EntryConfig EntryProvider::readFromFile(const QString &path)
{
EntryConfig result;
EntryConfig inheritedConfig;
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 " + path.toStdString());
}
QString key = splitted[0];
if(key == "arguments")
{
auto args = splitted.mid(1);
QString merged;
for(QString &str : args)
{
if(str.startsWith('"') && !str.endsWith("'"))
{
merged += str.mid(1) + " ";
}
else if(str.endsWith('"'))
{
str.chop(1);
merged += str;
result.arguments.append(merged);
merged = "";
}
else if(merged != "")
{
merged += str + " ";
}
else
{
result.arguments.append(str);
}
}
if(merged != "")
{
throw ConfigFormatException("non-closed \" in config file " + path.toStdString());
}
}
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();
}
if(key == "inherit")
{
inheritedConfig = readFromDesktopFile(resolveEntryPath(splitted[1]));
}
}
return result;
}
QString EntryProvider::resolveEntryPath(QString path)
{
if(path.trimmed().isEmpty())
{
return {};
}
if(path[0] == '/')
{
return path;
}
QStringList paths = this->userEntriesDirsPaths + this->systemEntriesDirsPaths;
for(QString &configPath : paths)
{
QDir dir(configPath);
QString desktopFilePath = dir.absoluteFilePath(path);
if(QFileInfo::exists(desktopFilePath))
{
return desktopFilePath;
}
}
return {};
}
QVector<EntryConfig> EntryProvider::readConfig(QStringList paths)
{
QVector<EntryConfig> result;
for(QString &configPath : paths)
{
QDirIterator it(configPath, QDirIterator::Subdirectories);
while(it.hasNext())
{
QString path = it.next();
QFileInfo info(path);
if(info.isFile())
{
QString suffix = info.suffix();
if(suffix == "desktop")
{
result.append(readFromDesktopFile(path));
}
if(suffix == "qsrun")
{
result.append(readFromFile(path));
}
}
}
}
return result;
}
QVector<EntryConfig> EntryProvider::getUserEntries()
{
return readConfig(this->userEntriesDirsPaths);
}
QVector<EntryConfig> EntryProvider::getSystemEntries()
{
return readConfig(this->systemEntriesDirsPaths);
}