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/*
* Copyright (C) 2003-2006 Ben van Klinken and the CLucene Team
*
* Distributable under the terms of either the Apache License (Version 2.0) or
* the GNU Lesser General Public License, as specified in the COPYING file.
*
* Changes are Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies), all rights reserved.
*/
#ifndef _lucene_util_Misc_H
#define _lucene_util_Misc_H
#if defined(_LUCENE_PRAGMA_ONCE)
# pragma once
#endif
#include <QtCore/QString>
CL_NS_DEF(util)
class Misc
{
public:
static uint64_t currentTimeMillis();
static size_t ahashCode(const char* str);
static size_t ahashCode(const char* str, size_t len);
static char* ajoin(const char* a, const char* b, const char* c = NULL,
const char* d = NULL, const char* e = NULL, const char* f = NULL);
static char* segmentname(const char* segment, const char* ext, int32_t x = -1);
static void segmentname(char* buffer, int32_t bufferLen, const char* segment,
const char* ext, int32_t x = -1);
static size_t qhashCode(const QString& str);
static size_t qhashCode(const QString& str, size_t len);
static QString qjoin(const QString& a, const QString& b,
const QString& c = QString(), const QString& d = QString(),
const QString& e = QString(), const QString& f = QString());
static QString segmentname(const QString& segment, const QString& ext,
int32_t x = -1 );
static void segmentname(QString& buffer, int32_t bufferLen,
const QString& Segment, const QString& ext, int32_t x = -1);
// Compares two strings, character by character, and returns the
// first position where the two strings differ from one another.
//
// @param s1 The first string to compare
// @param s1Len The length of the first string to compare
// @param s2 The second string to compare
// @param s2Len The length of the second string to compare
// @return The first position where the two strings differ.
static int32_t stringDifference(const TCHAR* s1, int32_t s1Len,
const TCHAR* s2, int32_t s2Len);
static TCHAR* join (const TCHAR* a, const TCHAR* b, const TCHAR* c = NULL,
const TCHAR* d = NULL, const TCHAR* e = NULL, const TCHAR* f = NULL );
#ifdef _UCS2
static size_t whashCode(const wchar_t* str);
static size_t whashCode(const wchar_t* str, size_t len);
# define thashCode whashCode
static char* _wideToChar(const wchar_t* s CL_FILELINEPARAM);
static void _cpywideToChar(const wchar_t* s, char* d, size_t len);
static wchar_t* _charToWide(const char* s CL_FILELINEPARAM);
static void _cpycharToWide(const char* s, wchar_t* d, size_t len);
#else
# define thashCode ahashCode
#endif
};
CL_NS_END
#endif
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