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/****************************************************************************
**
** Copyright (C) 2016 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;
using System.IO;
namespace QtProjectLib
{
public class QMakeConf
{
public Hashtable Entries { get; private set; }
public string QMakeSpecDirectory { get; private set; }
public QMakeConf(VersionInformation versionInfo)
{
Entries = new Hashtable();
QMakeSpecDirectory = Path.Combine(versionInfo.qtDir, "mkspecs", "default");
var qmakeConf = Path.Combine(QMakeSpecDirectory, "qmake.conf");
// Starting from Qt5 beta2 there is no more "\\mkspecs\\default" folder available
// To find location of "qmake.conf" there is a need to run "qmake -query" command
// This is what happens below.
if (!File.Exists(qmakeConf)) {
var qmakeQuery = new QMakeQuery(versionInfo);
var qmakespecDir = qmakeQuery.query("QMAKE_XSPEC");
if (qmakeQuery.ErrorValue == 0 && !string.IsNullOrEmpty(qmakespecDir)) {
QMakeSpecDirectory = Path.Combine(versionInfo.qtDir, "mkspecs", qmakespecDir);
qmakeConf = Path.Combine(QMakeSpecDirectory, "qmake.conf");
}
if (qmakeQuery.ErrorValue != 0 || !File.Exists(qmakeConf))
throw new QtVSException("qmake.conf expected at " + qmakeConf + " not found");
}
ParseFile(qmakeConf);
}
private void ParseFile(string filename)
{
var fileInfo = new FileInfo(filename);
if (fileInfo.Exists) {
var streamReader = new StreamReader(filename);
var line = streamReader.ReadLine();
while (line != null) {
line = line.Trim();
var commentStartIndex = line.IndexOf('#');
if (commentStartIndex >= 0)
line = line.Remove(commentStartIndex);
var pos = line.IndexOf('=');
if (pos > 0) {
var op = "=";
if (line[pos - 1] == '+' || line[pos - 1] == '-')
op = line[pos - 1] + "=";
var lineKey = line.Substring(0, pos - op.Length + 1).Trim();
var lineValue = ExpandVariables(line.Substring(pos + 1).Trim());
if (op == "+=") {
Entries[lineKey] += " " + lineValue;
} else if (op == "-=") {
foreach (var remval in lineValue.Split(' ', '\t'))
RemoveValue(lineKey, remval);
} else {
Entries[lineKey] = lineValue;
}
} else if (line.StartsWith("include", StringComparison.Ordinal)) {
pos = line.IndexOf('(');
var posEnd = line.LastIndexOf(')');
if (pos > 0 && pos < posEnd) {
var filenameToInclude = line.Substring(pos + 1, posEnd - pos - 1);
var saveCurrentDir = Environment.CurrentDirectory;
Environment.CurrentDirectory = fileInfo.Directory.FullName;
var fileInfoToInclude = new FileInfo(filenameToInclude);
if (fileInfoToInclude.Exists)
ParseFile(fileInfoToInclude.FullName);
Environment.CurrentDirectory = saveCurrentDir;
}
}
line = streamReader.ReadLine();
}
streamReader.Close();
RemoveValue("QMAKE_LFLAGS_CONSOLE", "@QMAKE_SUBSYSTEM_SUFFIX@");
RemoveValue("QMAKE_LFLAGS_WINDOWS", "@QMAKE_SUBSYSTEM_SUFFIX@");
}
}
private string ExpandVariables(string value)
{
var pos = value.IndexOf("$$", StringComparison.Ordinal);
while (pos != -1) {
var startPos = pos + 2;
var endPos = startPos;
if (value[startPos] != '[') { // at the moment no handling of qmake internal variables
for (; endPos < value.Length; ++endPos) {
if ((Char.IsPunctuation(value[endPos]) && value[endPos] != '_')
|| Char.IsWhiteSpace(value[endPos])) {
break;
}
}
if (endPos > startPos) {
var varName = value.Substring(startPos, endPos - startPos);
var varValue = (Entries[varName] ?? string.Empty).ToString();
value = value.Substring(0, pos) + varValue + value.Substring(endPos);
endPos = pos + varValue.Length;
}
}
pos = value.IndexOf("$$", endPos, StringComparison.Ordinal);
}
return value;
}
private void RemoveValue(string key, string valueToRemove)
{
var pos = -1;
if (!Entries.Contains(key))
return;
var value = Entries[key].ToString();
do {
pos = value.IndexOf(valueToRemove, StringComparison.Ordinal);
if (pos >= 0)
value = value.Remove(pos, valueToRemove.Length);
} while (pos >= 0);
Entries[key] = value;
}
}
}
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