parser.h

/*
 * Copyright (c) 2008-2011, Adrian Thurston <thurston@complang.org>
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#ifndef _PARSER_H
#define _PARSER_H

struct Parser
{
	enum Control
	{
		Continue = 1,

		/* FIXME: stop isn't a clear instruction. */
		Stop
	};

	virtual Control data( const char *data, int dlen ) = 0;

	/* Run the whole thing at once. */
	void parse( const String &data );

	/* Run the whole thing at once. */
	void parse( const char *data, int length );
};

long long parseId( const char *id );
long parseLength( const char *length );
bool parseBoolean( const char *b );

#endif