1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
|
/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** No Commercial Usage
**
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**************************************************************************/
#include "stringutils.h"
#include <QtCore/QString>
#include <QtCore/QStringList>
#include <QtCore/QFileInfo>
#include <QtCore/QDir>
#include <limits.h>
namespace Utils {
QTCREATOR_UTILS_EXPORT QString settingsKey(const QString &category)
{
QString rc(category);
const QChar underscore = QLatin1Char('_');
// Remove the sort category "X.Category" -> "Category"
if (rc.size() > 2 && rc.at(0).isLetter() && rc.at(1) == QLatin1Char('.'))
rc.remove(0, 2);
// Replace special characters
const int size = rc.size();
for (int i = 0; i < size; i++) {
const QChar c = rc.at(i);
if (!c.isLetterOrNumber() && c != underscore)
rc[i] = underscore;
}
return rc;
}
// Figure out length of common start of string ("C:\a", "c:\b" -> "c:\"
static inline int commonPartSize(const QString &s1, const QString &s2)
{
const int size = qMin(s1.size(), s2.size());
for (int i = 0; i < size; i++)
if (s1.at(i) != s2.at(i))
return i;
return size;
}
QTCREATOR_UTILS_EXPORT QString commonPrefix(const QStringList &strings)
{
switch (strings.size()) {
case 0:
return QString();
case 1:
return strings.front();
default:
break;
}
// Figure out common string part: "C:\foo\bar1" "C:\foo\bar2" -> "C:\foo\bar"
int commonLength = INT_MAX;
const int last = strings.size() - 1;
for (int i = 0; i < last; i++)
commonLength = qMin(commonLength, commonPartSize(strings.at(i), strings.at(i + 1)));
if (!commonLength)
return QString();
return strings.at(0).left(commonLength);
}
QTCREATOR_UTILS_EXPORT QString commonPath(const QStringList &files)
{
QString common = commonPrefix(files);
// Find common directory part: "C:\foo\bar" -> "C:\foo"
int lastSeparatorPos = common.lastIndexOf(QLatin1Char('/'));
if (lastSeparatorPos == -1)
lastSeparatorPos = common.lastIndexOf(QLatin1Char('\\'));
if (lastSeparatorPos == -1)
return QString();
#ifdef Q_OS_UNIX
if (lastSeparatorPos == 0) // Unix: "/a", "/b" -> '/'
lastSeparatorPos = 1;
#endif
common.truncate(lastSeparatorPos);
return common;
}
QTCREATOR_UTILS_EXPORT QString withTildeHomePath(const QString &path)
{
#ifdef Q_OS_WIN
QString outPath = path;
#else
static const QString homePath = QDir::homePath();
QFileInfo fi(QDir::cleanPath(path));
QString outPath = fi.absoluteFilePath();
if (outPath.startsWith(homePath))
outPath = QLatin1Char('~') + outPath.mid(homePath.size());
else
outPath = path;
#endif
return outPath;
}
int AbstractQtcMacroExpander::findMacro(const QString &str, int *pos, QString *ret)
{
forever {
int openPos = str.indexOf(QLatin1String("%{"), *pos);
if (openPos < 0)
return 0;
int varPos = openPos + 2;
int closePos = str.indexOf(QLatin1Char('}'), varPos);
if (closePos < 0)
return 0;
int varLen = closePos - varPos;
if (resolveMacro(str.mid(varPos, varLen), ret)) {
*pos = openPos;
return varLen + 3;
}
// An actual expansion may be nested into a "false" one,
// so we continue right after the last %{.
*pos = varPos;
}
}
QTCREATOR_UTILS_EXPORT void expandMacros(QString *str, AbstractMacroExpander *mx)
{
QString rsts;
for (int pos = 0; int len = mx->findMacro(*str, &pos, &rsts); ) {
str->replace(pos, len, rsts);
pos += rsts.length();
}
}
QTCREATOR_UTILS_EXPORT QString expandMacros(const QString &str, AbstractMacroExpander *mx)
{
QString ret = str;
expandMacros(&ret, mx);
return ret;
}
} // namespace Utils
|
