minetest.git - modified minetest for gpcfs purposes

path: root/games/minimal/mods/experimental

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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.
*/

#pragma once

#include <string>

template <typename T>
class BasicStrfnd {
	typedef std::basic_string<T> String;
	String str;
	size_t pos;
public:
	BasicStrfnd(const String &s) : str(s), pos(0) {}
	void start(const String &s) { str = s; pos = 0; }
	size_t where() { return pos; }
	void to(size_t i) { pos = i; }
	bool at_end() { return pos >= str.size(); }
	String what() { return str; }

	String next(const String &sep)
	{
		if (pos >= str.size())
			return String();

		size_t n;
		if (sep.empty() || (n = str.find(sep, pos)) == String::npos) {
			n = str.size();
		}
		String ret = str.substr(pos, n - pos);
		pos = n + sep.size();
		return ret;
	}

	// Returns substr up to the next occurence of sep that isn't escaped with esc ('\\')
	String next_esc(const String &sep, T esc=static_cast<T>('\\'))
	{
		if (pos >= str.size())
			return String();


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