| 1 | /****************************************************************************
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| 2 | **
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| 3 | ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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| 4 | ** All rights reserved.
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| 5 | ** Contact: Nokia Corporation ([email protected])
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| 6 | **
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| 7 | ** This file is part of the tools applications of the Qt Toolkit.
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| 8 | **
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| 9 | ** $QT_BEGIN_LICENSE:LGPL$
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| 10 | ** Commercial Usage
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| 11 | ** Licensees holding valid Qt Commercial licenses may use this file in
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| 12 | ** accordance with the Qt Commercial License Agreement provided with the
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| 13 | ** Software or, alternatively, in accordance with the terms contained in
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| 14 | ** a written agreement between you and Nokia.
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| 15 | **
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| 16 | ** GNU Lesser General Public License Usage
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| 17 | ** Alternatively, this file may be used under the terms of the GNU Lesser
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| 18 | ** General Public License version 2.1 as published by the Free Software
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| 19 | ** Foundation and appearing in the file LICENSE.LGPL included in the
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| 20 | ** packaging of this file. Please review the following information to
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| 21 | ** ensure the GNU Lesser General Public License version 2.1 requirements
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| 22 | ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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| 23 | **
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| 24 | ** In addition, as a special exception, Nokia gives you certain additional
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| 25 | ** rights. These rights are described in the Nokia Qt LGPL Exception
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| 26 | ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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| 27 | **
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| 28 | ** GNU General Public License Usage
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| 29 | ** Alternatively, this file may be used under the terms of the GNU
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| 30 | ** General Public License version 3.0 as published by the Free Software
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| 31 | ** Foundation and appearing in the file LICENSE.GPL included in the
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| 32 | ** packaging of this file. Please review the following information to
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| 33 | ** ensure the GNU General Public License version 3.0 requirements will be
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| 34 | ** met: http://www.gnu.org/copyleft/gpl.html.
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| 35 | **
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| 36 | ** If you have questions regarding the use of this file, please contact
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| 37 | ** Nokia at [email protected].
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| 38 | ** $QT_END_LICENSE$
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| 39 | **
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| 40 | ****************************************************************************/
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| 41 |
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| 42 | #include <qfileinfo.h>
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| 43 | #include <qregexp.h>
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| 44 | #include <qdebug.h>
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| 45 |
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| 46 | #include "quoter.h"
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| 47 |
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| 48 | QT_BEGIN_NAMESPACE
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| 49 |
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| 50 | static void replaceMultipleNewlines(QString &s)
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| 51 | {
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| 52 | const int n = s.size();
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| 53 | bool slurping = false;
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| 54 | int j = -1;
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| 55 | const QChar newLine = QLatin1Char('\n');
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| 56 | QChar *d = s.data();
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| 57 | for (int i = 0; i != n; ++i) {
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| 58 | const QChar c = d[i];
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| 59 | bool hit = (c == newLine);
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| 60 | if (slurping && hit)
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| 61 | continue;
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| 62 | d[++j] = c;
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| 63 | slurping = hit;
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| 64 | }
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| 65 | s.resize(++j);
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| 66 | }
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| 67 |
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| 68 | // This is equivalent to line.split( QRegExp("\n(?!\n|$)") ) but much faster
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| 69 | static QStringList splitLines(const QString &line)
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| 70 | {
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| 71 | QStringList result;
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| 72 | int i = line.size();
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| 73 | while (true) {
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| 74 | int j = i - 1;
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| 75 | while (j >= 0 && line.at(j) == QLatin1Char('\n'))
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| 76 | --j;
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| 77 | while (j >= 0 && line.at(j) != QLatin1Char('\n'))
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| 78 | --j;
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| 79 | result.prepend(line.mid(j + 1, i - j - 1));
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| 80 | if (j < 0)
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| 81 | break;
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| 82 | i = j;
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| 83 | }
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| 84 | return result;
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| 85 | }
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| 86 |
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| 87 | /*
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| 88 | Transforms 'int x = 3 + 4' into 'int x=3+4'. A white space is kept
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| 89 | between 'int' and 'x' because it is meaningful in C++.
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| 90 | */
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| 91 | static void trimWhiteSpace( QString& str )
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| 92 | {
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| 93 | enum { Normal, MetAlnum, MetSpace } state = Normal;
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| 94 | const int n = str.length();
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| 95 |
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| 96 | int j = -1;
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| 97 | QChar *d = str.data();
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| 98 | for ( int i = 0; i != n; ++i ) {
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| 99 | const QChar c = d[i];
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| 100 | if ( c.isLetterOrNumber() ) {
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| 101 | if ( state == Normal ) {
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| 102 | state = MetAlnum;
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| 103 | } else {
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| 104 | if ( state == MetSpace )
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| 105 | str[++j] = c;
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| 106 | state = Normal;
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| 107 | }
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| 108 | str[++j] = c;
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| 109 | } else if ( c.isSpace() ) {
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| 110 | if ( state == MetAlnum )
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| 111 | state = MetSpace;
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| 112 | } else {
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| 113 | state = Normal;
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| 114 | str[++j] = c;
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| 115 | }
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| 116 | }
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| 117 | str.resize(++j);
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| 118 | }
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| 119 |
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| 120 | Quoter::Quoter()
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| 121 | : silent( false )
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| 122 | {
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| 123 | /* We're going to hard code these delimiters:
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| 124 | * C++, Qt, Qt Script, Java:
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| 125 | //! [<id>]
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| 126 | * .pro files:
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| 127 | #! [<id>]
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| 128 | * .xq, .xml, .html files:
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| 129 | <!-- [<id>] -->
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| 130 | */
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| 131 | commentHash["pro"] = "#!";
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| 132 | commentHash["py"] = "#!";
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| 133 | commentHash["html"] = "<!--";
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| 134 | commentHash["qrc"] = "<!--";
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| 135 | commentHash["ui"] = "<!--";
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| 136 | commentHash["xml"] = "<!--";
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| 137 | commentHash["xq"] = "<!--";
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| 138 | }
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| 139 |
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| 140 | void Quoter::reset()
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| 141 | {
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| 142 | silent = false;
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| 143 | plainLines.clear();
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| 144 | markedLines.clear();
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