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*
This file is part of the LibreCAD project, a 2D CAD program
Copyright (C) 2024 LibreCAD.org
Copyright (C) 2024 sand1024
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.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
******************************************************************************/
#include "lc_shortcutsstorage.h"
#include <QDateTime>
#include <QFile>
#include <QMap>
#include <qxmlstream.h>
#include "lc_shortcutinfo.h"
struct ShortcutsParsingContext {// XML parsing context with strings.
ShortcutsParsingContext();
const QString el_ActionMappings;
const QString el_ActionShortcut;
const QString attr_name;
const QString el_Key;
const QString attr_Value;
const QString dtdName;
};
ShortcutsParsingContext::ShortcutsParsingContext() :
el_ActionMappings(QLatin1String("actions-mapping")),
el_ActionShortcut(QLatin1String("action-shortcut")),
attr_name(QLatin1String("name")),
el_Key(QLatin1String("key")),
attr_Value(QLatin1String("value")),
dtdName("LibreCADActionsMapping"){
}
int LC_ShortcutsStorage::loadShortcuts(const QString &filename, QMap<QString, QKeySequence> *result) {
QFile file(filename);
if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
return ERROR_FILE;
}
ShortcutsParsingContext ctx;
QXmlStreamReader r(&file);
QString currentId;
while (!r.atEnd()) {
switch (r.readNext()) {
case QXmlStreamReader::DTD: {
const QStringView dtdName = r.dtdName();
if (ctx.dtdName != dtdName){
file.close();
return ERROR_WRONG_DTD;
}
break;
}
case QXmlStreamReader::StartElement: {
const QStringView name = r.name();
if (name == ctx.el_ActionShortcut) {
if (!currentId.isEmpty()) {// shortcut element without key element == empty shortcut
result->insert(currentId, QKeySequence());
}
currentId = r.attributes().value(ctx.attr_name).toString();
} else if (name == ctx.el_Key) {
const QXmlStreamAttributes attributes = r.attributes();
if (attributes.hasAttribute(ctx.attr_Value)) {
const QString keyString = attributes.value(ctx.attr_Value).toString();
result->insert(currentId, QKeySequence(keyString));
} else {
result->insert(currentId, QKeySequence());
}
currentId.clear();
} // if key element
} // case QXmlStreamReader::StartElement
default:
break;
} // switch
} // while !atEnd
file.close();
if (r.hasError()){
return ERROR_PARSE;
}
return OK;
}
int LC_ShortcutsStorage::saveShortcuts(const QString &filename, const QList<LC_ShortcutInfo *> &items, bool resetToDefault)
{
QFile file(filename);
if (!file.open(QIODevice::WriteOnly|QIODevice::Text)) {
return ERROR_FILE;
}
const ShortcutsParsingContext ctx;
QXmlStreamWriter w(&file);
w.setAutoFormatting(true);
w.setAutoFormattingIndent(1); // Historical, used to be QDom.
w.writeStartDocument();
w.writeDTD(QLatin1String("<!DOCTYPE %1>").arg(ctx.dtdName));
w.writeComment(QString::fromLatin1(" Written at %1.").
arg(QDateTime::currentDateTime().toString(Qt::ISODate)));
w.writeStartElement(ctx.el_ActionMappings);
for (const LC_ShortcutInfo *item : items) {
const QString id = item->getName();
if (item->hasNoKey()) {
w.writeEmptyElement(ctx.el_ActionShortcut);
w.writeAttribute(ctx.attr_name, id);
} else {
w.writeStartElement(ctx.el_ActionShortcut);
w.writeAttribute(ctx.attr_name, id);
w.writeEmptyElement(ctx.el_Key);
w.writeAttribute(ctx.attr_Value, item->retrieveKey(resetToDefault));
w.writeEndElement(); // Shortcut
}
}
w.writeEndElement();
w.writeEndDocument();
file.close();
if (w.hasError()){
return ERROR_PARSE;
}
return OK;
}
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