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/*----------------------------------------------------------------------------*/
/* */
/* Copyright (c) 1995, 2004 IBM Corporation. All rights reserved. */
/* Copyright (c) 2005-2009 Rexx Language Association. All rights reserved. */
/* */
/* This program and the accompanying materials are made available under */
/* the terms of the Common Public License v1.0 which accompanies this */
/* distribution. A copy is also available at the following address: */
/* http://www.oorexx.org/license.html */
/* */
/* Redistribution and use in source and binary forms, with or */
/* without modification, are permitted provided that the following */
/* conditions are met: */
/* */
/* Redistributions of source code must retain the above copyright */
/* notice, this list of conditions and the following disclaimer. */
/* Redistributions in binary form must reproduce the above copyright */
/* notice, this list of conditions and the following disclaimer in */
/* the documentation and/or other materials provided with the distribution. */
/* */
/* Neither the name of Rexx Language Association nor the names */
/* of its contributors may be used to endorse or promote products */
/* derived from this software without specific prior written permission. */
/* */
/* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS */
/* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT */
/* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS */
/* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT */
/* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, */
/* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED */
/* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, */
/* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY */
/* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING */
/* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS */
/* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
/* */
/*----------------------------------------------------------------------------*/
/******************************************************************************/
/* REXX Kernel */
/* */
/* String Utilities shared between String class and MutableBuffer class */
/* */
/******************************************************************************/
#ifndef Included_StringUtil
#define Included_StringUtil
class RexxInteger;
class RexxArray;
class StringUtil
{
public:
static RexxString *substr(const char *, size_t, RexxInteger *, RexxInteger *, RexxString *);
static RexxInteger *posRexx(const char *stringData, size_t length, RexxString *needle, RexxInteger *pstart, RexxInteger *range);
static size_t pos(const char *stringData, size_t haystack_length, RexxString *needle, size_t _start, size_t _range);
static size_t caselessPos(const char *stringData, size_t haystack_length, RexxString *needle, size_t _start, size_t _range);
static RexxInteger *lastPosRexx(const char *stringData, size_t haystackLen, RexxString *needle, RexxInteger *_start, RexxInteger *_range);
static size_t lastPos(const char *stringData, size_t hastackLen, RexxString *needle, size_t _start, size_t _range);
static const char *lastPos(const char *needle, size_t needleLen, const char *haystack, size_t haystackLen);
static RexxString *subchar(const char *stringData, size_t stringLength, RexxInteger *positionArg);
static RexxArray *makearray(const char *start, size_t length, RexxString *separator);
static size_t caselessLastPos(const char *stringData, size_t hastackLen, RexxString *needle, size_t _start, size_t range);
static const char * caselessLastPos(const char *needle, size_t needleLen, const char *haystack, size_t haystackLen);
static int caselessCompare(const char *, const char *, size_t);
static int hexDigitToInt(char ch);
static char packByte(const char *String);
static void unpackNibble(int Val, char *p);
static char packNibble(const char *String);
static RexxString *packHex(const char *String, size_t StringLength);
static size_t chGetSm(char *Destination, const char *Source, size_t Length, size_t Count, const char *Set, size_t *ScannedSize);
static size_t validateSet(const char *String, size_t Length, const char *Set, int Modulus, bool Hex);
static char packByte2(const char *Byte);
static int valSet(const char *String, size_t Length, const char *Set, int Modulus, size_t *PackedSize );
static const char *memcpbrk(const char *String, const char *Set, size_t Length);
static RexxObject *dataType(RexxString *String, char Option );
static size_t wordCount(const char *String, size_t StringLength );
static void skipNonBlanks(const char **String, size_t *StringLength);
static void skipBlanks(const char **String, size_t *StringLength);
static size_t nextWord(const char **String, size_t *StringLength, const char **NextString );
static size_t countStr(const char *hayStack, size_t hayStackLength, RexxString *needle);
static size_t caselessCountStr(const char *hayStack, size_t hayStackLength, RexxString *needle);
static size_t memPos(const char *string, size_t length, char target);
static RexxInteger *verify(const char *data, size_t stringLen, RexxString *ref, RexxString *option, RexxInteger *_start, RexxInteger *range);
static RexxString *subWord(const char *data, size_t length, RexxInteger *position, RexxInteger *plength);
static RexxArray *subWords(const char *data, size_t length, RexxInteger *position, RexxInteger *plength);
static RexxString *word(const char *data, size_t length, RexxInteger *position);
static RexxInteger *wordIndex(const char *data, size_t length, RexxInteger *position);
static RexxInteger *wordLength(const char *data, size_t length, RexxInteger *position);
static RexxInteger *wordPos(const char *data, size_t length, RexxString *phrase, RexxInteger *pstart);
static RexxInteger *caselessWordPos(const char *data, size_t length, RexxString *phrase, RexxInteger *pstart);
static RexxArray *words(const char *data, size_t length);
static const char *locateSeparator(const char *start, const char *end, const char *sepData, size_t sepLength);
static inline bool matchCharacter(char ch, const char *charSet, size_t len)
{
while (len-- > 0)
{
if (ch == *charSet++)
{
return true;
}
}
return false;
}
};
#endif