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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.Generic;
using System.Text.RegularExpressions;
namespace QtVsTools.Core
{
class MocCmdChecker
{
private readonly Regex backslashRegEx = new Regex(@"\\+\.?\\+");
private readonly Regex endRegEx = new Regex(@"\\\.?$");
private string NormalizePath(string path)
{
var s = path.ToLower().Trim();
s = backslashRegEx.Replace(s, "\\");
s = endRegEx.Replace(s, string.Empty);
return s;
}
public string NewCmdLine(string cmdLine, string includes, string defines,
string mocOptions, string mocFile, string newPchParameters,
string outputFile)
{
var inputMocFile = ProjectMacros.Path;
if (HelperFunctions.IsMocFile(outputFile))
inputMocFile = mocFile;
var cmds = SplitIntoCommands(cmdLine);
var mocPos = MocCommandPosition(cmds);
if (mocPos < 0)
return null;
var mocCmd = cmds[mocPos];
var defs = ExtractDefines(mocCmd);
var incs = ExtractIncludes(mocCmd);
var pchParameters = ExtractPCHOptions(mocCmd);
var newIncludes = ExtractIncludes(includes);
var newDefines = ExtractDefines(defines);
var equal = true;
if (newDefines.Count == defs.Count) {
foreach (var s in newDefines) {
if (defs.Contains(s)) {
defs.Remove(s);
} else {
equal = false;
break;
}
}
} else {
equal = false;
}
equal = equal && newIncludes.Count == incs.Count;
if (equal) {
foreach (var s in newIncludes) {
if (incs.Contains(s)) {
incs.Remove(s);
} else {
equal = false;
break;
}
}
}
equal = equal && pchParameters == newPchParameters;
if (equal)
return null;
var newCmdLine = string.Empty;
for (var i = 0; i < cmds.Length; ++i) {
if (i == mocPos) {
newCmdLine = newCmdLine + "\"" + Resources.moc4Command + "\" "
+ mocOptions
+ " \"" + inputMocFile + "\" -o \"" + outputFile + "\""
+ " " + defines + " " + includes;
if (!string.IsNullOrEmpty(newPchParameters) && !newCmdLine.Contains(newPchParameters))
newCmdLine += " " + newPchParameters;
} else {
newCmdLine = newCmdLine + cmds[i];
}
if (i < cmds.Length - 1 && !newCmdLine.EndsWith("\r\n", StringComparison.Ordinal))
newCmdLine = newCmdLine + "\r\n";
}
return newCmdLine;
}
private static string[] SplitIntoCommands(string cmdLine)
{
var cmds = cmdLine.Split(new[] { "&&", "\r\n" }, StringSplitOptions.RemoveEmptyEntries);
var res = new string[cmds.Length];
for (var i = 0; i < cmds.Length; ++i)
res[i] = cmds[i].Trim();
return res;
}
private static int MocCommandPosition(string[] cmds)
{
var res = -1;
var reg = new Regex(@"(\S*moc.exe|""\S+:\\\.*moc.exe"")");
for (var i = 0; i < cmds.Length; ++i) {
var m = reg.Match(cmds[i]);
if (m.Success)
return i;
}
return res;
}
private static List<string> ExtractDefines(string cmdLine)
{
var reg = new Regex(@"-D(\S+)");
var col = reg.Matches(cmdLine);
var lst = new List<string>(col.Count);
for (var i = 0; i < col.Count; ++i)
lst.Add(col[i].Groups[1].ToString());
return lst;
}
private List<string> ExtractIncludes(string cmdLine)
{
var reg = new Regex(@"-I([^\s""]+)|-I""([^""]+)""");
var col = reg.Matches(cmdLine);
var lst = new List<string>(col.Count);
for (var i = 0; i < col.Count; ++i) {
var s = col[i].Groups[1].ToString();
if (s.Length != 0)
lst.Add(NormalizePath(s));
else
lst.Add(NormalizePath(col[i].Groups[2].ToString()));
}
return lst;
}
private static string ExtractPCHOptions(string cmdLine)
{
var reg = new Regex(@"""-f(\S+)"" ""-f(\S+)");
var col = reg.Matches(cmdLine);
if (col.Count != 1)
return null;
return col[0].ToString();
}
}
}
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