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/*
Minetest
Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef STRFND_HEADER
#define STRFND_HEADER
#include <string>
class Strfnd{
std::string tek;
unsigned int p;
public:
void start(std::string niinq){
tek = niinq;
p=0;
}
unsigned int where(){
return p;
}
void to(unsigned int i){
p = i;
}
std::string what(){
return tek;
}
std::string next(std::string plop){
//std::cout<<"tek=\""<<tek<<"\" plop=\""<<plop<<"\""<<std::endl;
size_t n;
std::string palautus;
if (p < tek.size())
{
//std::cout<<"\tp<tek.size()"<<std::endl;
if ((n = tek.find(plop, p)) == std::string::npos || plop == "")
{
//std::cout<<"\t\tn == string::npos || plop == \"\""<<std::endl;
n = tek.size();
}
else
{
//std::cout<<"\t\tn != string::npos"<<std::endl;
}
palautus = tek.substr(p, n-p);
p = n + plop.length();
}
//else
//std::cout<<"\tp>=tek.size()"<<std::endl;
//std::cout<<"palautus=\""<<palautus<<"\""<<std::endl;
return palautus;
}
// Returns substr of tek up to the next occurence of plop that isn't escaped with '\'
std::string next_esc(std::string plop) {
size_t n, realp;
if (p >= tek.size())
return "";
realp = p;
do {
n = tek.find(plop, p);
if (n == std::string::npos || plop == "")
n = tek.length();
p = n + plop.length();
} while (n > 0 && tek[n - 1] == '\\');
return tek.substr(realp, n - realp);
}
void skip_over(std::string chars){
while(p < tek.size()){
bool is = false;
for(unsigned int i=0; i<chars.size(); i++){
if(chars[i] == tek[p]){
is = true;
break;
}
}
if(!is) break;
p++;
}
}
bool atend(){
if(p>=tek.size()) return true;
return false;
}
Strfnd(std::string s){
start(s);
}
};
class WStrfnd{
std::wstring tek;
unsigned int p;
public:
void start(std::wstring niinq){
tek = niinq;
p=0;
}
unsigned int where(){
return p;
}
void to(unsigned int i){
p = i;
}
std::wstring what(){
return tek;
}
std::wstring next(std::wstring plop){
//std::cout<<"tek=\""<<tek<<"\" plop=\""<<plop<<"\""<<std::endl;
size_t n;
std::wstring palautus;
if (p < tek.size())
{
//std::cout<<"\tp<tek.size()"<<std::endl;
if ((n = tek.find(plop, p)) == std::wstring::npos || plop == L"")
{
//std::cout<<"\t\tn == string::npos || plop == \"\""<<std::endl;
n = tek.size();
}
else
{
//std::cout<<"\t\tn != string::npos"<<std::endl;
}
palautus = tek.substr(p, n-p);
p = n + plop.length();
}
//else
//std::cout<<"\tp>=tek.size()"<<std::endl;
//std::cout<<"palautus=\""<<palautus<<"\""<<std::endl;
return palautus;
}
std::wstring next_esc(std::wstring plop) {
size_t n, realp;
if (p >= tek.size())
return L"";
realp = p;
do {
n = tek.find(plop, p);
if (n == std::wstring::npos || plop == L"")
n = tek.length();
p = n + plop.length();
} while (n > 0 && tek[n - 1] == '\\');
return tek.substr(realp, n - realp);
}
bool atend(){
if(p>=tek.size()) return true;
return false;
}
WStrfnd(std::wstring s){
start(s);
}
};
#endif
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