forked from bartvdbraak/blender
367 lines
9.2 KiB
C++
367 lines
9.2 KiB
C++
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
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* All rights reserved.
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*/
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/** \file
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* \ingroup string
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*/
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#ifndef __STR_STRING_H__
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#define __STR_STRING_H__
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#ifndef STR_NO_ASSERTD
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# undef assertd
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# define assertd(exp) ((void)NULL)
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#endif
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#include <vector>
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#include <limits.h>
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#include <cstring>
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#include <cstdlib>
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#ifdef WITH_CXX_GUARDEDALLOC
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# include "MEM_guardedalloc.h"
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#endif
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#ifdef _WIN32
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# define stricmp _stricmp
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#endif
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class STR_String;
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typedef unsigned long dword;
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typedef const STR_String &rcSTR_String;
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typedef unsigned char byte;
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/**
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* Smart String Value class. Is used by parser when an expression tree is build containing string.
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*/
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class STR_String {
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public:
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// Initialization
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STR_String();
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STR_String(char c);
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STR_String(char c, int len);
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STR_String(const char *str);
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STR_String(const char *str, int len);
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STR_String(const STR_String &str);
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STR_String(const STR_String &str, int len);
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STR_String(const char *src1, int src1_len, const char *src2, int src2_len);
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explicit STR_String(int val);
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explicit STR_String(dword val);
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explicit STR_String(float val);
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explicit STR_String(double val);
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inline ~STR_String()
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{
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delete[] this->m_data;
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}
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// Operations
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STR_String &Format(const char *fmt, ...) // Set formatted text to string
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#ifdef __GNUC__
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__attribute__((format(printf, 2, 3)))
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#endif
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;
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STR_String &FormatAdd(const char *fmt, ...) // Add formatted text to string
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#ifdef __GNUC__
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__attribute__((format(printf, 2, 3)))
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#endif
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;
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inline void Clear()
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{
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this->m_len = this->m_data[0] = 0;
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}
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inline const STR_String &Reverse()
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{
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for (int i1 = 0, i2 = this->m_len - 1; i1 < i2; i1++, i2--) {
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std::swap(this->m_data[i1], this->m_data[i2]);
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}
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return *this;
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}
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// Properties
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bool IsUpper() const;
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bool IsLower() const;
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inline bool IsEmpty() const
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{
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return this->m_len == 0;
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}
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inline int Length() const
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{
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return this->m_len;
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}
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// Data access
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inline STR_String &SetLength(int len)
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{
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AllocBuffer(len, true);
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this->m_len = len;
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this->m_data[len] = 0;
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return *this;
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}
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inline char GetAt(int pos) const
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{
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assertd(pos < this->m_len);
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return this->m_data[pos];
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}
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inline void SetAt(int pos, char c)
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{
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assertd(pos < this->m_len);
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this->m_data[pos] = c;
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}
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inline void SetAt(int pos, rcSTR_String str);
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inline void SetAt(int pos, int num, rcSTR_String str);
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void Replace(int pos, rcSTR_String str);
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void Replace(int pos, int num, rcSTR_String str);
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// Substrings
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inline STR_String Left(int num) const
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{
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num = (num < this->m_len ? num : this->m_len);
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return STR_String(this->m_data, num);
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}
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inline STR_String Right(int num) const
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{
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num = (num < this->m_len ? num : this->m_len);
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return STR_String(this->m_data + this->m_len - num, num);
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}
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inline STR_String Mid(int pos, int num = INT_MAX) const
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{
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pos = (pos < this->m_len ? pos : this->m_len);
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num = (num < (this->m_len - pos) ? num : (this->m_len - pos));
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return STR_String(this->m_data + pos, num);
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}
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// Comparison
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int Compare(rcSTR_String rhs) const;
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int CompareNoCase(rcSTR_String rhs) const;
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inline bool IsEqual(rcSTR_String rhs) const
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{
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return (Compare(rhs) == 0);
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}
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inline bool IsEqualNoCase(rcSTR_String rhs) const
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{
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return (CompareNoCase(rhs) == 0);
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}
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// Search/replace
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int Find(char c, int pos = 0) const;
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int Find(const char *str, int pos = 0) const;
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int Find(rcSTR_String str, int pos = 0) const;
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int RFind(char c) const;
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int FindOneOf(const char *set, int pos = 0) const;
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int RFindOneOf(const char *set, int pos = 0) const;
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std::vector<STR_String> Explode(char c) const;
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// Formatting
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STR_String &Upper();
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STR_String &Lower();
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STR_String &Capitalize();
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STR_String &TrimLeft();
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STR_String &TrimLeft(char *set);
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STR_String &TrimRight();
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STR_String &TrimRight(char *set);
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STR_String &Trim();
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STR_String &Trim(char *set);
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STR_String &TrimQuotes();
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// Conversions
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// inline operator char*() { return this->m_data; }
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inline operator const char *() const
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{
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return this->m_data;
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}
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inline char *Ptr()
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{
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return this->m_data;
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}
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inline const char *ReadPtr() const
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{
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return this->m_data;
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}
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inline float ToFloat() const
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{
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float x = (float)(atof(this->m_data));
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return x;
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}
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inline int ToInt() const
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{
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return atoi(this->m_data);
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}
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// Operators
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inline rcSTR_String operator=(const byte *rhs)
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{
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return Copy((const char *)rhs, strlen((const char *)rhs));
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}
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inline rcSTR_String operator=(rcSTR_String rhs)
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{
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return Copy(rhs.ReadPtr(), rhs.Length());
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}
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inline rcSTR_String operator=(char rhs)
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{
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return Copy(&rhs, 1);
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}
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inline rcSTR_String operator=(const char *rhs)
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{
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return Copy(rhs, strlen(rhs));
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}
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inline rcSTR_String operator+=(const char *rhs)
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{
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return Concat(rhs, strlen(rhs));
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}
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inline rcSTR_String operator+=(rcSTR_String rhs)
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{
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return Concat(rhs.ReadPtr(), rhs.Length());
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}
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inline rcSTR_String operator+=(char rhs)
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{
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return Concat(&rhs, 1);
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}
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inline friend bool operator<(rcSTR_String lhs, rcSTR_String rhs)
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{
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return (strcmp(lhs, rhs) < 0);
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}
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inline friend bool operator<(rcSTR_String lhs, const char *rhs)
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{
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return (strcmp(lhs, rhs) < 0);
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}
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inline friend bool operator<(const char *lhs, rcSTR_String rhs)
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{
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return (strcmp(lhs, rhs) < 0);
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}
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inline friend bool operator>(rcSTR_String lhs, rcSTR_String rhs)
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{
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return (strcmp(lhs, rhs) > 0);
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}
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inline friend bool operator>(rcSTR_String lhs, const char *rhs)
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{
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return (strcmp(lhs, rhs) > 0);
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}
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inline friend bool operator>(const char *lhs, rcSTR_String rhs)
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{
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return (strcmp(lhs, rhs) > 0);
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}
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inline friend bool operator<=(rcSTR_String lhs, rcSTR_String rhs)
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{
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return (strcmp(lhs, rhs) <= 0);
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}
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inline friend bool operator<=(rcSTR_String lhs, const char *rhs)
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{
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return (strcmp(lhs, rhs) <= 0);
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}
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inline friend bool operator<=(const char *lhs, rcSTR_String rhs)
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{
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return (strcmp(lhs, rhs) <= 0);
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}
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inline friend bool operator>=(rcSTR_String lhs, rcSTR_String rhs)
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{
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return (strcmp(lhs, rhs) >= 0);
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}
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inline friend bool operator>=(rcSTR_String lhs, const char *rhs)
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{
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return (strcmp(lhs, rhs) >= 0);
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}
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inline friend bool operator>=(const char *lhs, rcSTR_String rhs)
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{
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return (strcmp(lhs, rhs) >= 0);
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}
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inline friend bool operator==(rcSTR_String lhs, rcSTR_String rhs)
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{
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return ((lhs.Length() == rhs.Length()) && (memcmp(lhs, rhs, lhs.Length()) == 0));
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}
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inline friend bool operator==(rcSTR_String lhs, const char *rhs)
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{
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return (strncmp(lhs, rhs, lhs.Length() + 1) == 0);
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}
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inline friend bool operator==(const char *lhs, rcSTR_String rhs)
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{
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return (strncmp(lhs, rhs, rhs.Length() + 1) == 0);
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}
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inline friend bool operator!=(rcSTR_String lhs, rcSTR_String rhs)
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{
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return ((lhs.Length() != rhs.Length()) || (memcmp(lhs, rhs, lhs.Length()) != 0));
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}
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inline friend bool operator!=(rcSTR_String lhs, const char *rhs)
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{
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return (strncmp(lhs, rhs, lhs.Length() + 1) != 0);
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}
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inline friend bool operator!=(const char *lhs, rcSTR_String rhs)
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{
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return (strncmp(lhs, rhs, rhs.Length() + 1) != 0);
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}
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// serializing
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// int Serialize(pCStream stream);
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protected:
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// Implementation
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void AllocBuffer(int len, bool keep_contents);
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rcSTR_String Copy(const char *src, int len);
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rcSTR_String Concat(const char *data, int len);
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static bool isLower(char c)
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{
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return !isUpper(c);
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}
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static bool isUpper(char c)
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{
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return (c >= 'A') && (c <= 'Z');
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}
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static bool isSpace(char c)
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{
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return (c == ' ') || (c == '\t');
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}
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char *m_data; // -> STR_String data
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int m_len; // z Data length
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int m_max; // Space in data buffer
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#ifdef WITH_CXX_GUARDEDALLOC
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MEM_CXX_CLASS_ALLOC_FUNCS("CXX:STR_String")
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#endif
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};
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inline STR_String operator+(rcSTR_String lhs, rcSTR_String rhs)
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{
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return STR_String(lhs.ReadPtr(), lhs.Length(), rhs.ReadPtr(), rhs.Length());
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}
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inline STR_String operator+(rcSTR_String lhs, char rhs)
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{
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return STR_String(lhs.ReadPtr(), lhs.Length(), &rhs, 1);
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}
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inline STR_String operator+(char lhs, rcSTR_String rhs)
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{
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return STR_String(&lhs, 1, rhs.ReadPtr(), rhs.Length());
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}
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inline STR_String operator+(rcSTR_String lhs, const char *rhs)
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{
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return STR_String(lhs.ReadPtr(), lhs.Length(), rhs, strlen(rhs));
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}
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inline STR_String operator+(const char *lhs, rcSTR_String rhs)
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{
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return STR_String(lhs, strlen(lhs), rhs.ReadPtr(), rhs.Length());
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}
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#endif //__STR_STRING_H__
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