/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the Qt VS Tools.
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**
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** $QT_BEGIN_LICENSE:GPL-EXCEPT$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 as published by the Free Software
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** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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using System;
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using System.Collections.Generic;
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using System.Text.RegularExpressions;
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namespace QtVsTools.Core
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{
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class MocCmdChecker
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{
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private readonly Regex backslashRegEx = new Regex(@"\\+\.?\\+");
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private readonly Regex endRegEx = new Regex(@"\\\.?$");
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private string NormalizePath(string path)
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{
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var s = path.ToLower().Trim();
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s = backslashRegEx.Replace(s, "\\");
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s = endRegEx.Replace(s, string.Empty);
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return s;
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}
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public string NewCmdLine(string cmdLine, string includes, string defines,
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string mocOptions, string mocFile, string newPchParameters,
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string outputFile)
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{
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var inputMocFile = ProjectMacros.Path;
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if (HelperFunctions.IsMocFile(outputFile))
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inputMocFile = mocFile;
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var cmds = SplitIntoCommands(cmdLine);
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var mocPos = MocCommandPosition(cmds);
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if (mocPos < 0)
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return null;
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var mocCmd = cmds[mocPos];
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var defs = ExtractDefines(mocCmd);
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var incs = ExtractIncludes(mocCmd);
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var pchParameters = ExtractPCHOptions(mocCmd);
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var newIncludes = ExtractIncludes(includes);
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var newDefines = ExtractDefines(defines);
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var equal = true;
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if (newDefines.Count == defs.Count) {
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foreach (var s in newDefines) {
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if (defs.Contains(s)) {
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defs.Remove(s);
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} else {
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equal = false;
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break;
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}
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}
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} else {
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equal = false;
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}
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equal = equal && newIncludes.Count == incs.Count;
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if (equal) {
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foreach (var s in newIncludes) {
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if (incs.Contains(s)) {
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incs.Remove(s);
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} else {
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equal = false;
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break;
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}
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}
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}
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equal = equal && pchParameters == newPchParameters;
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if (equal)
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return null;
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var newCmdLine = string.Empty;
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for (var i = 0; i < cmds.Length; ++i) {
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if (i == mocPos) {
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newCmdLine = newCmdLine + "\"" + Resources.moc4Command + "\" "
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+ mocOptions
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+ " \"" + inputMocFile + "\" -o \"" + outputFile + "\""
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+ " " + defines + " " + includes;
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if (!string.IsNullOrEmpty(newPchParameters) && !newCmdLine.Contains(newPchParameters))
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newCmdLine += " " + newPchParameters;
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} else {
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newCmdLine = newCmdLine + cmds[i];
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}
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if (i < cmds.Length - 1 && !newCmdLine.EndsWith("\r\n", StringComparison.Ordinal))
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newCmdLine = newCmdLine + "\r\n";
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}
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return newCmdLine;
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}
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private static string[] SplitIntoCommands(string cmdLine)
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{
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var cmds = cmdLine.Split(new[] { "&&", "\r\n" }, StringSplitOptions.RemoveEmptyEntries);
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var res = new string[cmds.Length];
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for (var i = 0; i < cmds.Length; ++i)
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res[i] = cmds[i].Trim();
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return res;
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}
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private static int MocCommandPosition(string[] cmds)
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{
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var res = -1;
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var reg = new Regex(@"(\S*moc.exe|""\S+:\\\.*moc.exe"")");
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for (var i = 0; i < cmds.Length; ++i) {
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var m = reg.Match(cmds[i]);
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if (m.Success)
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return i;
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}
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return res;
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}
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private static List<string> ExtractDefines(string cmdLine)
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{
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var reg = new Regex(@"-D(\S+)");
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var col = reg.Matches(cmdLine);
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var lst = new List<string>(col.Count);
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for (var i = 0; i < col.Count; ++i)
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lst.Add(col[i].Groups[1].ToString());
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return lst;
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}
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private List<string> ExtractIncludes(string cmdLine)
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{
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var reg = new Regex(@"-I([^\s""]+)|-I""([^""]+)""");
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var col = reg.Matches(cmdLine);
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var lst = new List<string>(col.Count);
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for (var i = 0; i < col.Count; ++i) {
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var s = col[i].Groups[1].ToString();
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if (s.Length != 0)
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lst.Add(NormalizePath(s));
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else
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lst.Add(NormalizePath(col[i].Groups[2].ToString()));
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}
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return lst;
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}
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private static string ExtractPCHOptions(string cmdLine)
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{
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var reg = new Regex(@"""-f(\S+)"" ""-f(\S+)");
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var col = reg.Matches(cmdLine);
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if (col.Count != 1)
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return null;
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return col[0].ToString();
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}
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}
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}
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