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#include "staticstring.h"
#include "serializer.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
StaticString::StaticString()
{
lpStr = NULL;
nLen = 0;
}
StaticString::StaticString( int nLength )
{
lpStr = new char[nLength+1];
nLen = nLength;
memset( lpStr, 0, nLength+1 );
}
StaticString::StaticString( const char *lpNewStr, int nNewLen )
{
lpStr = NULL;
nLen = 0;
setString( lpNewStr, nNewLen );
}
StaticString::StaticString( const char *lpNewStr )
{
lpStr = NULL;
nLen = 0;
setString( lpNewStr, -1 );
}
StaticString::StaticString( StaticString &xSrcStr, int nNewLen )
{
lpStr = NULL;
nLen = 0;
setString( xSrcStr, nNewLen );
}
StaticString::StaticString( StaticString &xSrcStr )
{
lpStr = NULL;
nLen = 0;
setString( xSrcStr, -1 );
}
StaticString::~StaticString()
{
if( lpStr != NULL ) delete[] lpStr;
}
char *StaticString::getString()
{
return lpStr;
}
int StaticString::getLength()
{
return nLen;
}
int StaticString::setLength( int nNewLength )
{
char *lpNewStr = new char[nNewLength+1];
if( lpStr != NULL )
{
strncpy( lpNewStr, lpStr, nNewLength );
}
lpNewStr[nNewLength] = '\0';
if( lpStr )
{
delete[] lpStr;
}
lpStr = lpNewStr;
nLen = nNewLength;
}
void StaticString::setString( const char *lpNewStr, int nNewLen )
{
if( lpStr )
{
delete[] lpStr;
lpStr = NULL;
nLen = 0;
}
if( nNewLen < 0 )
{
if( lpNewStr == NULL ) return;
nLen = strlen( lpNewStr );
lpStr = new char[nLen+1];
strcpy( lpStr, lpNewStr );
}
else
{
nLen = nNewLen;
lpStr = new char[nLen+1];
memset( lpStr, 0, nLen+1 );
if( lpNewStr )
strncpy( lpStr, lpNewStr, nNewLen );
}
}
void StaticString::setString( StaticString &sNewStr, int nNewLen )
{
if( lpStr )
{
delete[] lpStr;
lpStr = NULL;
nLen = 0;
}
if( nNewLen < 0 )
{
if( sNewStr.lpStr == NULL ) return;
nLen = sNewStr.nLen;
lpStr = new char[nLen+1];
strcpy( lpStr, sNewStr.lpStr );
}
else
{
nLen = nNewLen;
lpStr = new char[nLen+1];
memset( lpStr, 0, nLen+1 );
if( sNewStr.lpStr )
strncpy( lpStr, sNewStr.lpStr, nNewLen );
}
}
StaticString &StaticString::operator=( StaticString &lpOtherStr )
{
setString( lpOtherStr );
return *this;
}
StaticString &StaticString::operator=( std::string &lpOtherStr )
{
setString( lpOtherStr.c_str() );
return *this;
}
StaticString &StaticString::operator=( const char *lpNewStr )
{
setString( lpNewStr );
return *this;
}
StaticString::operator const char *()
{
return lpStr;
}
char StaticString::getAt( int nIndex )
{
if( nIndex < 0 || nIndex >= nLen )
return '\0';
return lpStr[nIndex];
}
void StaticString::setAt( int nIndex, char cVal )
{
if( nIndex < 0 || nIndex >= nLen )
return;
lpStr[nIndex] = cVal;
}
char &StaticString::operator[]( int nIndex )
{
if( nIndex < 0 || nIndex >= nLen )
return lpStr[0];
return lpStr[nIndex];
}
StaticString::operator int()
{
return nLen;
}
char *StaticString::operator+( int nAmnt )
{
return lpStr + nAmnt;
}
char *StaticString::operator-( int nAmnt )
{
return lpStr - nAmnt;
}
void StaticString::clear()
{
memset( lpStr, 0, nLen+1 );
}
void StaticString::serialize( Serializer &ar )
{
if( ar.isLoading() )
{
ar >> nLen;
setLength( nLen );
ar.read( lpStr, nLen );
}
else
{
ar << nLen;
ar.write( lpStr, nLen );
}
}
bool StaticString::operator==( const char *str )
{
const char *a = str, *b = lpStr;
for(; *a == *b; a++, b++ ) if( *a == '\0' && *b == '\0' ) return true;
return false;
}
bool StaticString::operator==( StaticString &str )
{
const char *a = str.lpStr, *b = lpStr;
for(; *a == *b; a++, b++ ) if( *a == '\0' && *b == '\0' ) return true;
return false;
}
bool StaticString::operator!=( const char *str )
{
const char *a = str, *b = lpStr;
for(; *a == *b; a++, b++ ) if( *a == '\0' && *b == '\0' ) return false;
return true;
}
bool StaticString::operator!=( StaticString &str )
{
const char *a = str.lpStr, *b = lpStr;
for(; *a == *b; a++, b++ ) if( *a == '\0' && *b == '\0' ) return false;
return true;
}
unsigned long int StaticString::getHashCode()
{
unsigned long int nPos = nLen;
unsigned long int j = 0;
for( const char *s = (const char *)lpStr; j< nLen; s++, j++ )
{
nPos = *s + (nPos << 6) + (nPos << 16) - nPos;
}
return nPos;
}
bool StaticString::compareForHash( Hashable &other )
{
if( ((StaticString &)other).nLen != nLen )
return false;
const char *a = ((StaticString &)other).lpStr;
const char *b = lpStr;
if( a == b )
return true;
for( unsigned long j = 0; j < nLen; j++, a++, b++ )
if( *a != *b )
return false;
return true;
}
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