lilium-voyager/libs/str.h

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/*
===========================================================================
Copyright (C) 1999-2005 Id Software, Inc.
This file is part of Quake III Arena source code.
Quake III Arena source code is free software; you can redistribute it
and/or modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
Quake III Arena source code is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Foobar; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
===========================================================================
*/
2005-08-26 17:39:27 +00:00
#ifndef __STR__
#define __STR__
//
// class Str
// loose replacement for CString from MFC
//
//#include "cmdlib.h"
#include <string.h>
char* __StrDup(char* pStr);
char* __StrDup(const char* pStr);
static char *g_pStrWork = NULL;
class Str
{
protected:
bool m_bIgnoreCase;
char *m_pStr;
public:
Str()
{
m_bIgnoreCase = true;
m_pStr = NULL;
}
Str(char *p)
{
m_bIgnoreCase = true;
m_pStr = __StrDup(p);
}
Str(const char *p)
{
m_bIgnoreCase = true;
m_pStr = __StrDup(p);
}
void Deallocate()
{
delete []m_pStr;
m_pStr = NULL;
}
void Allocate(int n)
{
Deallocate();
m_pStr = new char[n];
}
const char* GetBuffer()
{
return m_pStr;
}
void MakeEmpty()
{
Deallocate();
m_pStr = __StrDup("");
}
~Str()
{
Deallocate();
delete []g_pStrWork;
g_pStrWork = NULL;
}
void MakeLower()
{
if (m_pStr)
{
strlwr(m_pStr);
}
}
int Find(const char *p)
{
char *pf = strstr(m_pStr, p);
return (pf) ? (pf - m_pStr) : -1;
}
int GetLength()
{
return (m_pStr) ? strlen(m_pStr) : 0;
}
const char* Left(int n)
{
delete []g_pStrWork;
if (n > 0)
{
g_pStrWork = new char[n+1];
strncpy(g_pStrWork, m_pStr, n);
}
else
{
g_pStrWork = "";
g_pStrWork = new char[1];
g_pStrWork[0] = '\0';
}
return g_pStrWork;
}
const char* Right(int n)
{
delete []g_pStrWork;
if (n > 0)
{
g_pStrWork = new char[n+1];
int nStart = GetLength() - n;
strncpy(g_pStrWork, &m_pStr[nStart], n);
g_pStrWork[n] = '\0';
}
else
{
g_pStrWork = new char[1];
g_pStrWork[0] = '\0';
}
return g_pStrWork;
}
char& operator *() { return *m_pStr; }
char& operator *() const { return *const_cast<Str*>(this)->m_pStr; }
operator void*() { return m_pStr; }
operator char*() { return m_pStr; }
operator const char*(){ return reinterpret_cast<const char*>(m_pStr); }
operator unsigned char*() { return reinterpret_cast<unsigned char*>(m_pStr); }
operator const unsigned char*() { return reinterpret_cast<const unsigned char*>(m_pStr); }
Str& operator =(const Str& rhs)
{
if (&rhs != this)
{
delete[] m_pStr;
m_pStr = __StrDup(rhs.m_pStr);
}
return *this;
}
Str& operator =(const char* pStr)
{
if (m_pStr != pStr)
{
delete[] m_pStr;
m_pStr = __StrDup(pStr);
}
return *this;
}
Str& operator +=(const char *pStr)
{
if (pStr)
{
if (m_pStr)
{
char *p = new char[strlen(m_pStr) + strlen(pStr) + 1];
strcpy(p, m_pStr);
strcat(p, pStr);
delete m_pStr;
m_pStr = p;
}
else
{
m_pStr = __StrDup(pStr);
}
}
return *this;
}
Str& operator +=(const char c)
{
return operator+=(&c);
}
bool operator ==(const Str& rhs) const { return (m_bIgnoreCase) ? stricmp(m_pStr, rhs.m_pStr) == 0 : strcmp(m_pStr, rhs.m_pStr) == 0; }
bool operator ==(char* pStr) const { return (m_bIgnoreCase) ? stricmp(m_pStr, pStr) == 0 : strcmp(m_pStr, pStr) == 0; }
bool operator ==(const char* pStr) const { return (m_bIgnoreCase) ? stricmp(m_pStr, pStr) == 0 : strcmp(m_pStr, pStr) == 0; }
bool operator !=(Str& rhs) const { return (m_bIgnoreCase) ? stricmp(m_pStr, rhs.m_pStr) != 0 : strcmp(m_pStr, rhs.m_pStr) != 0; }
bool operator !=(char* pStr) const { return (m_bIgnoreCase) ? stricmp(m_pStr, pStr) != 0 : strcmp(m_pStr, pStr) != 0; }
bool operator !=(const char* pStr) const { return (m_bIgnoreCase) ? stricmp(m_pStr, pStr) != 0 : strcmp(m_pStr, pStr) != 0; }
char& operator [](int nIndex) { return m_pStr[nIndex]; }
char& operator [](int nIndex) const { return m_pStr[nIndex]; }
};
#endif