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/*
* Copyright (c) 2003, Sergey Zorin. All rights reserved.
*
* This software is distributable under the BSD license. See the terms of the
* BSD license in the LICENSE file provided with this software.
*
*/
#ifndef __string_h__
#define __string_h__
#include <windows.h>
#include <tchar.h>
#include <string.h>
#include <stdlib.h>
class STRING;
inline STRING operator+( const STRING& s1, const STRING& s2);
class STRING {
public:
static const int begin = 0;
static const int end = -1;
public:
STRING(const STRING& s) {
_str = new TCHAR[s.length()+1];
lstrcpy(_str, s);
}
STRING(const TCHAR* str = TEXT("")) {
_str = new TCHAR[lstrlen(str)+1];
lstrcpy(_str, str);
}
~STRING() {
delete[] _str;
}
void resize( size_t newLength )
{
size_t oldLength = length();
if ( newLength < oldLength ) {
_str[newLength] = 0; // Just truncate the string
} else if( newLength>oldLength) {
TCHAR* p = new TCHAR[ newLength + 1 ];
lstrcpy(p, _str);
for( size_t i=oldLength; i<newLength; ++i)
p[i]=TEXT(' ');
p[newLength]=0;
}
}
STRING& operator=(const STRING& s) {
delete[] _str;
_str = new TCHAR[s.length()+1];
lstrcpy(_str, s);
return *this;
}
operator TCHAR*() {
return _str;
}
operator const TCHAR*() const {
return _str;
}
const TCHAR* c_str() const {
return _str;
}
size_t length() const {
return _tcslen(_str);
}
// Also returns the length. Behaviour like std::basic_string::size.
// See also sizeInBytes() below.
size_t size() const {
return length();
}
// String length in bytes. May differ from length() for Unicode or MBCS
size_t sizeInBytes() const {
return length()*sizeof(TCHAR);
}
bool empty() const
{
return length()==0;
}
STRING substr(size_t from, size_t len=size_t(-1)) const {
STRING tmp;
size_t to = len==size_t(-1) ? length() : from + len;
if(from < to && (to <= length())) {
size_t new_len = to - from + 1;
TCHAR* new_str = new TCHAR[new_len+1];
lstrcpyn(new_str, &_str[from], int(new_len) );
new_str[new_len] = 0;
tmp = new_str;
delete[] new_str;
}
return tmp;
}
STRING& replace( size_t pos, size_t num, const STRING& s )
{
*this = substr( 0, pos ) + s + substr( pos+num );
return *this;
}
bool operator ==(const STRING& s) const {
return (lstrcmp(_str, s) == 0);
}
size_t find(const STRING& s) const
{
const TCHAR* p = _tcsstr( _str, s._str );
if (p)
return p - _str;
else
return size_t(-1);
}
STRING& operator +=(const STRING& s) {
TCHAR* str = new TCHAR[lstrlen(_str)+s.length()+1];
lstrcpy(str, _str);
lstrcat(str, s);
delete[] _str;
_str = str;
return *this;
}
private:
TCHAR* _str;
};
inline STRING operator+( const STRING& s1, const STRING& s2) {
STRING tmp(s1);
tmp+=s2;
return tmp;
}
#endif // __string_h__
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