~drizzle-trunk/drizzle/development : contents of plugin/pbms/src/metadata

~drizzle-trunk/drizzle/development : (revision 1755.3.1)

/* Copyright (c) 2009 PrimeBase Technologies GmbH, Germany
 *
 * PrimeBase Media Stream for MySQL
 *
 * 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
 *
 * Barry Leslie
 *
 * 2009-01-09
 *
 * H&G2JCtL
 *
 * PBMS Meta Data utilities.
 *
 */
#ifndef __METADATA_MS_H__
#define __METADATA_MS_H__

#ifdef DRIZZLED
#include <drizzled/internal/m_string.h>
#include <drizzled/charset_info.h>
#else
#include "m_ctype.h"
#endif
 
#include "pbmslib.h"

class MetaData
{
private:
	char *data;
	char *eod;
	char *position;
	
public:
	MetaData(): data(NULL), eod(NULL), position(NULL){}
	MetaData(char *meta_data, size_t meta_data_size): data(meta_data), eod(meta_data + meta_data_size), position(meta_data){}
	
	char *getBuffer() { return data;}
		
	void use_data(char *meta_data, size_t meta_data_size) 
	{
		data = meta_data;
		position = data;
		eod = data + meta_data_size;
	}
	
	void reset() 
	{
		position = data;
	}
	
	char *findNext(char **value)
	{
		char *name = position;
		if (position >= eod)
			return NULL;
			
		position += strlen(position) +1;
		if (position >= eod)
			return NULL;
			
		*value = position;
		position += strlen(position) +1;
		
		return name;
	}
	
	char *findName(const char *name)
	{
		char  *metadata = data;
		
		while (metadata < eod && my_strcasecmp(&my_charset_utf8_general_ci, metadata, name)) {
			metadata += strlen(metadata) +1;
			metadata += strlen(metadata) +1;
		}
		
		if (metadata < eod)
			return metadata + strlen(metadata) +1;
			
		return NULL;
	}
	
	char *findNamePosition(const char *name)
	{
		char  *metadata = data;
		
		while (metadata < eod && my_strcasecmp(&my_charset_utf8_general_ci, metadata, name)) {
			metadata += strlen(metadata) +1;
			metadata += strlen(metadata) +1;
		}
		
		if (metadata < eod)
			return metadata;
			
		return NULL;
	}
	
#ifdef HAVE_ALIAS_SUPPORT
	char *findAlias() {return findName(MS_ALIAS_TAG);}
#endif
	
	static uint32_t recSize(const char *rec) 
	{ 
		uint32_t len = strlen(rec) + 1;
		
		rec += len;
		return (len + strlen(rec) + 1);
	}
	
};
#endif //__METADATA_MS_H__

1548.2.1 by Barry.Leslie at PrimeBase Added the PBMS daemon plugin.	1	/* Copyright (c) 2009 PrimeBase Technologies GmbH, Germany
	2	*
	3	* PrimeBase Media Stream for MySQL
	4	*
	5	* This program is free software; you can redistribute it and/or modify
	6	* it under the terms of the GNU General Public License as published by
	7	* the Free Software Foundation; either version 2 of the License, or
	8	* (at your option) any later version.
	9	*
	10	* This program is distributed in the hope that it will be useful,
	11	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	13	* GNU General Public License for more details.
	14	*
	15	* You should have received a copy of the GNU General Public License
	16	* along with this program; if not, write to the Free Software
	17	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	18	*
	19	* Barry Leslie
	20	*
	21	* 2009-01-09
	22	*
	23	* H&G2JCtL
	24	*
	25	* PBMS Meta Data utilities.
	26	*
	27	*/
	28	#ifndef __METADATA_MS_H__
	29	#define __METADATA_MS_H__
	30
	31	#ifdef DRIZZLED
1548.2.2 by Barry.Leslie at PrimeBase A lot of minor changes to clean up the code and to get it to build with Drizzle.	32	#include <drizzled/internal/m_string.h>
	33	#include <drizzled/charset_info.h>
1548.2.1 by Barry.Leslie at PrimeBase Added the PBMS daemon plugin.	34	#else
	35	#include "m_ctype.h"
	36	#endif
	37
	38	#include "pbmslib.h"
	39
	40	class MetaData
	41	{
	42	private:
	43	char *data;
	44	char *eod;
	45	char *position;
	46
	47	public:
1548.2.2 by Barry.Leslie at PrimeBase A lot of minor changes to clean up the code and to get it to build with Drizzle.	48	MetaData(): data(NULL), eod(NULL), position(NULL){}
	49	MetaData(char *meta_data, size_t meta_data_size): data(meta_data), eod(meta_data + meta_data_size), position(meta_data){}
1548.2.1 by Barry.Leslie at PrimeBase Added the PBMS daemon plugin.	50
	51	char *getBuffer() { return data;}
	52
	53	void use_data(char *meta_data, size_t meta_data_size)
	54	{
	55	data = meta_data;
	56	position = data;
	57	eod = data + meta_data_size;
	58	}
	59
	60	void reset()
	61	{
	62	position = data;
	63	}
	64
	65	char findNext(char *value)
	66	{
	67	char *name = position;
	68	if (position >= eod)
	69	return NULL;
	70
	71	position += strlen(position) +1;
	72	if (position >= eod)
	73	return NULL;
	74
	75	*value = position;
	76	position += strlen(position) +1;
	77
	78	return name;
	79	}
	80
	81	char findName(const char name)
	82	{
	83	char *metadata = data;
	84
	85	while (metadata < eod && my_strcasecmp(&my_charset_utf8_general_ci, metadata, name)) {
	86	metadata += strlen(metadata) +1;
	87	metadata += strlen(metadata) +1;
	88	}
	89
	90	if (metadata < eod)
	91	return metadata + strlen(metadata) +1;
	92
	93	return NULL;
	94	}
	95
	96	char findNamePosition(const char name)
	97	{
	98	char *metadata = data;
	99
	100	while (metadata < eod && my_strcasecmp(&my_charset_utf8_general_ci, metadata, name)) {
	101	metadata += strlen(metadata) +1;
	102	metadata += strlen(metadata) +1;
	103	}
	104
	105	if (metadata < eod)
	106	return metadata;
	107
	108	return NULL;
	109	}
	110
	111	#ifdef HAVE_ALIAS_SUPPORT
	112	char *findAlias() {return findName(MS_ALIAS_TAG);}
	113	#endif
114
1548.2.2 by Barry.Leslie at PrimeBase A lot of minor changes to clean up the code and to get it to build with Drizzle.	115	static uint32_t recSize(const char *rec)
1548.2.1 by Barry.Leslie at PrimeBase Added the PBMS daemon plugin.	116	{
1548.2.2 by Barry.Leslie at PrimeBase A lot of minor changes to clean up the code and to get it to build with Drizzle.	117	uint32_t len = strlen(rec) + 1;
1548.2.1 by Barry.Leslie at PrimeBase Added the PBMS daemon plugin.	118
	119	rec += len;
	120	return (len + strlen(rec) + 1);
	121	}
	122
	123	};
	124	#endif //__METADATA_MS_H__