jstringtokenizer.cpp
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/***************************************************************************
* Copyright (C) 2005 by Jeff Ferr *
* root@sat *
* *
* This program 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. *
* *
* This program 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 this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#include "Stdafx.h"
#include "jstringtokenizer.h"
#include "joutofboundsexception.h"
namespace jcommon {
StringTokenizer::StringTokenizer(std::string string_, std::string token_, jtoken_type_t flag_, bool return_tokens_)
{
jcommon::Object::SetClassName("jcommon::StringTokenizer");
BuildTokens(string_, token_, flag_, return_tokens_);
}
StringTokenizer::~StringTokenizer()
{
}
void StringTokenizer::BuildTokens(std::string string_, std::string token_, jtoken_type_t flag_, bool return_tokens_)
{
/*
char *s = (char *)string_.c_str(),
*t = (char *)token_.c_str(),
*token = strtok(s, t);
while (token != NULL) {
_tokens.push_back(token);
token = strtok(NULL, t);
}
*/
if (flag_ == JTT_CHAR) {
std::string::size_type idx = 0;
while (true) {
if (idx < string_.size()) {
std::string::size_type s = string_.find_first_of(token_, idx);
std::string::size_type e = string_.find_first_not_of(token_, idx);
if ( !(s == idx && return_tokens_) ) {
s = e;
e = string_.find_first_of(token_, s);
} else {
e = s + 1;
}
idx = e;
if (idx == std::string::npos) {
break;
}
_tokens.push_back(string_.substr(s, e-s));
} else {
break;
}
}
} else if (flag_ == JTT_STRING) {
std::string::size_type pos = string_.find(token_);
/*
// CHANGE:: remove pos != 0, caso entre em loop
if (pos != 0 && pos != std::string::npos) {
_tokens.push_back(string_.substr(0, pos));
if (return_tokens_ == true) {
_tokens.push_back(token_);
}
BuildTokens(string_.substr(pos+token_.size(), string_.length()), token_, flag_, return_tokens_);
} else {
_tokens.push_back(string_);
}
*/
if (pos != std::string::npos) {
_tokens.push_back(string_.substr(0, pos));
if (return_tokens_ == true) {
_tokens.push_back(token_);
}
BuildTokens(string_.substr(pos+token_.size(), string_.length()), token_, flag_, return_tokens_);
} else {
_tokens.push_back(string_);
}
}
}
int StringTokenizer::GetSize()
{
return _tokens.size();
}
std::string StringTokenizer::GetToken(int i)
{
if (i < 0 || i > GetSize()) {
throw OutOfBoundsException("Range of tokens exception");
}
return _tokens[i];
}
}