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1/****************************************************************************
2**
3** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
4** Contact: http://www.qt-project.org/legal
5**
6** This file is part of the qmake application of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL$
9** Commercial License Usage
10** Licensees holding valid commercial Qt licenses may use this file in
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15** use the contact form at http://qt.digia.com/contact-us.
16**
17** GNU Lesser General Public License Usage
18** Alternatively, this file may be used under the terms of the GNU Lesser
19** General Public License version 2.1 as published by the Free Software
20** Foundation and appearing in the file LICENSE.LGPL included in the
21** packaging of this file. Please review the following information to
22** ensure the GNU Lesser General Public License version 2.1 requirements
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26** rights. These rights are described in the Digia Qt LGPL Exception
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29** GNU General Public License Usage
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31** General Public License version 3.0 as published by the Free Software
32** Foundation and appearing in the file LICENSE.GPL included in the
33** packaging of this file. Please review the following information to
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40****************************************************************************/
41
42#ifndef CACHEKEYS_H
43#define CACHEKEYS_H
44
45#include "project.h"
46#include <qstring.h>
47#include <qstringlist.h>
48#include <qfile.h>
49#include <qfileinfo.h>
50#include <qhash.h>
51
52QT_BEGIN_NAMESPACE
53
54// -------------------------------------------------------------------------------------------------
55struct FixStringCacheKey
56{
57 mutable uint hash;
58 QString string, pwd;
59 uchar flags;
60 FixStringCacheKey(const QString &s, uchar f)
61 {
62 hash = 0;
63 pwd = qmake_getpwd();
64 string = s;
65 flags = f;
66 }
67 bool operator==(const FixStringCacheKey &f) const
68 {
69 return (hashCode() == f.hashCode() &&
70 f.flags == flags &&
71 f.string == string &&
72 f.pwd == pwd);
73 }
74 inline uint hashCode() const {
75 if(!hash)
76 hash = qHash(string) ^ qHash(flags) /*^ qHash(pwd)*/;
77 return hash;
78 }
79};
80inline uint qHash(const FixStringCacheKey &f) { return f.hashCode(); }
81
82// -------------------------------------------------------------------------------------------------
83struct FileInfoCacheKey
84{
85 mutable uint hash;
86 QString file, pwd;
87 FileInfoCacheKey(const QString &f)
88 {
89 hash = 0;
90 if(isRelativePath(f))
91 pwd = qmake_getpwd();
92 file = f;
93 }
94 bool operator==(const FileInfoCacheKey &f) const
95 {
96 return (hashCode() == f.hashCode() && f.file == file &&
97 f.pwd == pwd);
98 }
99 inline uint hashCode() const {
100 if(!hash)
101 hash = qHash(file) /*^ qHash(pwd)*/;
102 return hash;
103 }
104 inline bool isRelativePath(const QString &file) {
105 int length = file.length();
106 if (!length)
107 return true;
108
109 const QChar c0 = file.at(0);
110 const QChar c1 = length >= 2 ? file.at(1) : QChar(0);
111 return !(c0 == QLatin1Char('/')
112 || c0 == QLatin1Char('\\')
113 || (c0.isLetter() && c1 == QLatin1Char(':'))
114 || (c0 == QLatin1Char('/') && c1 == QLatin1Char('/'))
115 || (c0 == QLatin1Char('\\') && c1 == QLatin1Char('\\')));
116 }
117};
118inline uint qHash(const FileInfoCacheKey &f) { return f.hashCode(); }
119
120// -------------------------------------------------------------------------------------------------
121template <typename T>
122inline void qmakeDeleteCacheClear(void *i) { delete reinterpret_cast<T*>(i); }
123
124inline void qmakeFreeCacheClear(void *i) { free(i); }
125
126typedef void (*qmakeCacheClearFunc)(void *);
127void qmakeAddCacheClear(qmakeCacheClearFunc func, void **);
128void qmakeClearCaches();
129
130QT_END_NAMESPACE
131
132#endif // CACHEKEYS_H
133

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