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/****************************************************************************
**
** Copyright (C) 2018 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt VS Tools.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Xml;
using System.Xml.Linq;
namespace QtVsTools.Qml.Debug
{
struct QmlFile
{
public string QrcPath;
public string FilePath;
}
class FileSystem : Concurrent
{
Dictionary<string, QmlFile> files;
public static FileSystem Create()
{
return new FileSystem
{
files = new Dictionary<string, QmlFile>()
};
}
static readonly string[] KNOWN_EXTENSIONS = new string[] { ".qml", ".js" };
private FileSystem()
{ }
public IEnumerable<string> QrcPaths
{
get
{
return files.Values
.GroupBy(x => x.QrcPath)
.Select(x => x.Key);
}
}
string QrcPath(string prefix, string filePath)
{
if (!string.IsNullOrEmpty(prefix) && !prefix.EndsWith("/"))
prefix += "/";
while (!string.IsNullOrEmpty(prefix) && prefix[0] == '/')
prefix = prefix.Substring(1);
return string.Format("qrc:///{0}{1}", prefix, filePath);
}
public void RegisterRccFile(string rccFilePath)
{
XDocument rccXml;
try {
var xmlText = File.ReadAllText(rccFilePath, Encoding.UTF8);
var settings = new XmlReaderSettings
{
DtdProcessing = DtdProcessing.Ignore
};
using (var reader = XmlReader.Create(new StringReader(xmlText), settings)) {
rccXml = XDocument.Load(reader);
}
} catch (Exception e) {
System.Diagnostics.Debug.WriteLine(
e.Message + "\r\n\r\nStacktrace:\r\n" + e.StackTrace);
return;
}
var files = rccXml
.Elements("RCC")
.Elements("qresource")
.SelectMany(x => x.Elements("file")
.Select(y => new
{
Prefix = x.Attribute("prefix"),
Alias = y.Attribute("alias"),
Path = ((string)y)
.Replace(Path.AltDirectorySeparatorChar, Path.DirectorySeparatorChar)
})
.Where(z => KNOWN_EXTENSIONS.Contains(
Path.GetExtension(z.Path), StringComparer.InvariantCultureIgnoreCase)));
foreach (var file in files) {
string qrcPath;
if (file.Alias != null)
qrcPath = (string)file.Alias;
else if (!Path.IsPathRooted(file.Path))
qrcPath = file.Path.Replace(@"\", "/");
else
continue;
string qrcPathPrefix = (file.Prefix != null) ? ((string)file.Prefix) : "";
if (!string.IsNullOrEmpty(qrcPathPrefix) && !qrcPathPrefix.EndsWith("/"))
qrcPathPrefix += "/";
while (!string.IsNullOrEmpty(qrcPathPrefix) && qrcPathPrefix[0] == '/')
qrcPathPrefix = qrcPathPrefix.Substring(1);
var qmlFile = new QmlFile
{
FilePath = Path.Combine(Path.GetDirectoryName(rccFilePath), file.Path),
QrcPath = string.Format("qrc:///{0}{1}", qrcPathPrefix, qrcPath)
};
this.files[qmlFile.QrcPath.ToLower()] = qmlFile;
this.files[qmlFile.FilePath.ToUpper()] = qmlFile;
}
}
QmlFile FromQrcPath(string qrcPath)
{
// Normalize qrc path:
// - Only pre-condition is that qrcPath have a "qrc:" prefix
// - It might have any number of '/' after that, or none at all
// - A "qrc:///" prefix is required to match the mapping key
// - to enforce this, the "qrc:" prefix is removed, as well as any leading '/'
// - then the "normalized" prefix "qrc:///" is added
if (!qrcPath.StartsWith("qrc:"))
return default(QmlFile);
qrcPath = qrcPath.Substring("qrc:".Length);
while (!string.IsNullOrEmpty(qrcPath) && qrcPath[0] == '/')
qrcPath = qrcPath.Substring(1);
qrcPath = string.Format("qrc:///{0}", qrcPath);
QmlFile file;
if (!files.TryGetValue(qrcPath, out file))
return default(QmlFile);
return file;
}
QmlFile FromFileUrl(string fileUrl)
{
string filePath = fileUrl.Substring("file://".Length);
while (!string.IsNullOrEmpty(filePath) && filePath[0] == '/')
filePath = filePath.Substring(1);
if (!File.Exists(filePath))
return default(QmlFile);
return new QmlFile
{
QrcPath = fileUrl,
FilePath = filePath
.Replace(Path.AltDirectorySeparatorChar, Path.DirectorySeparatorChar)
};
}
QmlFile FromFilePath(string filePath)
{
string fullPath;
try {
fullPath = Path.GetFullPath(filePath).ToUpper();
} catch {
return default(QmlFile);
}
QmlFile file;
if (files.TryGetValue(fullPath, out file))
return file;
return new QmlFile
{
FilePath = fullPath,
QrcPath = new Uri(fullPath).ToString().ToLower()
};
}
public QmlFile this[string path]
{
get
{
if (path.StartsWith("qrc:", StringComparison.InvariantCultureIgnoreCase))
return FromQrcPath(path.ToLower());
else if (path.StartsWith("file:", StringComparison.InvariantCultureIgnoreCase))
return FromFileUrl(path);
else
return FromFilePath(path.ToUpper());
}
}
}
}
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