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PathTextFileLoader.cpp
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/
PathTextFileLoader.cpp
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/* Twofold-Qt
* (C) Copyright 2014 HicknHack Software GmbH
*
* The original code can be found at:
* https://github.com/hicknhack-software/Twofold-Qt
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "PathTextFileLoader.h"
#include <QDir>
#include <QTextStream>
namespace Twofold {
PathTextFileLoader::PathTextFileLoader()
{
}
void PathTextFileLoader::addPath(const QString &path)
{
m_pathes.insert(m_pathes.begin(), path);
}
const QString PathTextFileLoader::absolutePath(const QString &name) const
{
for (const auto& path : m_pathes) {
const QString fullPath = QDir(path).absoluteFilePath(name);
if (!QFile::exists(fullPath))
continue; // file not found, try next path
QFile file(fullPath);
file.open(QIODevice::ReadOnly);
if (!file.isOpen())
continue; // file not readable, try next path
return fullPath; // readable path found
}
return {};
}
PathTextFileLoader::Result PathTextFileLoader::load(const QString &name) const
{
QString candidate;
for (const auto& path : m_pathes) {
const QString fullPath = QDir(path).absoluteFilePath(name);
if (!QFile::exists(fullPath))
continue; // file not found, try next path
candidate = fullPath;
QFile file(fullPath);
file.open(QIODevice::ReadOnly);
if (!file.isOpen())
continue; // file not readable, try next path
return { Success, fullPath, QTextStream(&file).readAll() };
}
return { candidate.isEmpty() ? NotFound : ErrorLoading, candidate, QString() };
}
} // namespace Twofold