qt5base-lts/qmake/cachekeys.h

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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the qmake application of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef CACHEKEYS_H
#define CACHEKEYS_H
#include "project.h"
#include <qstring.h>
#include <qstringlist.h>
#include <qfile.h>
#include <qfileinfo.h>
#include <qhash.h>
QT_BEGIN_NAMESPACE
// -------------------------------------------------------------------------------------------------
struct FixStringCacheKey
{
mutable uint hash;
QString string, pwd;
uchar flags;
FixStringCacheKey(const QString &s, uchar f)
{
hash = 0;
pwd = qmake_getpwd();
string = s;
flags = f;
}
bool operator==(const FixStringCacheKey &f) const
{
return (hashCode() == f.hashCode() &&
f.flags == flags &&
f.string == string &&
f.pwd == pwd);
}
inline uint hashCode() const {
if(!hash)
hash = qHash(string) ^ qHash(flags) /*^ qHash(pwd)*/;
return hash;
}
};
inline uint qHash(const FixStringCacheKey &f) { return f.hashCode(); }
// -------------------------------------------------------------------------------------------------
struct FileInfoCacheKey
{
mutable uint hash;
QString file, pwd;
FileInfoCacheKey(const QString &f)
{
hash = 0;
if(isRelativePath(f))
pwd = qmake_getpwd();
file = f;
}
bool operator==(const FileInfoCacheKey &f) const
{
return (hashCode() == f.hashCode() && f.file == file &&
f.pwd == pwd);
}
inline uint hashCode() const {
if(!hash)
hash = qHash(file) /*^ qHash(pwd)*/;
return hash;
}
inline bool isRelativePath(const QString &file) {
int length = file.length();
if (!length)
return true;
const QChar c0 = file.at(0);
const QChar c1 = length >= 2 ? file.at(1) : QChar(0);
return !(c0 == QLatin1Char('/')
|| c0 == QLatin1Char('\\')
|| (c0.isLetter() && c1 == QLatin1Char(':'))
|| (c0 == QLatin1Char('/') && c1 == QLatin1Char('/'))
|| (c0 == QLatin1Char('\\') && c1 == QLatin1Char('\\')));
}
};
inline uint qHash(const FileInfoCacheKey &f) { return f.hashCode(); }
// -------------------------------------------------------------------------------------------------
template <typename T>
inline void qmakeDeleteCacheClear(void *i) { delete reinterpret_cast<T*>(i); }
inline void qmakeFreeCacheClear(void *i) { free(i); }
typedef void (*qmakeCacheClearFunc)(void *);
void qmakeAddCacheClear(qmakeCacheClearFunc func, void **);
void qmakeClearCaches();
QT_END_NAMESPACE
#endif // CACHEKEYS_H