[qemu.git] / json-lexer.h

/*
 * JSON lexer
 *
 * Copyright IBM, Corp. 2009
 *
 * Authors:
 *  Anthony Liguori   <aliguori@us.ibm.com>
 *
 * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
 * See the COPYING.LIB file in the top-level directory.
 *
 */

#ifndef QEMU_JSON_LEXER_H
#define QEMU_JSON_LEXER_H

#include "qstring.h"
#include "qlist.h"

typedef enum json_token_type {
    JSON_OPERATOR = 100,
    JSON_INTEGER,
    JSON_FLOAT,
    JSON_KEYWORD,
    JSON_STRING,
    JSON_ESCAPE,
    JSON_SKIP,
    JSON_ERROR,
} JSONTokenType;

typedef struct JSONLexer JSONLexer;

typedef void (JSONLexerEmitter)(JSONLexer *, QString *, JSONTokenType, int x, int y);

struct JSONLexer
{
    JSONLexerEmitter *emit;
    int state;
    QString *token;
    int x, y;
};

void json_lexer_init(JSONLexer *lexer, JSONLexerEmitter func);

int json_lexer_feed(JSONLexer *lexer, const char *buffer, size_t size);

int json_lexer_flush(JSONLexer *lexer);

void json_lexer_destroy(JSONLexer *lexer);

#endif
Commit	Line	Data
5ab8558d AL	1	/*
	2	* JSON lexer
	3	*
	4	* Copyright IBM, Corp. 2009
	5	*
	6	* Authors:
	7	* Anthony Liguori <aliguori@us.ibm.com>
	8	*
	9	* This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
	10	* See the COPYING.LIB file in the top-level directory.
	11	*
	12	*/
	13
	14	#ifndef QEMU_JSON_LEXER_H
	15	#define QEMU_JSON_LEXER_H
	16
	17	#include "qstring.h"
	18	#include "qlist.h"
	19
	20	typedef enum json_token_type {
	21	JSON_OPERATOR = 100,
	22	JSON_INTEGER,
	23	JSON_FLOAT,
	24	JSON_KEYWORD,
	25	JSON_STRING,
	26	JSON_ESCAPE,
	27	JSON_SKIP,
b011f619	28	JSON_ERROR,
5ab8558d AL	29	} JSONTokenType;
	30
	31	typedef struct JSONLexer JSONLexer;
	32
	33	typedef void (JSONLexerEmitter)(JSONLexer , QString , JSONTokenType, int x, int y);
	34
	35	struct JSONLexer
	36	{
	37	JSONLexerEmitter *emit;
	38	int state;
	39	QString *token;
	40	int x, y;
	41	};
	42
	43	void json_lexer_init(JSONLexer *lexer, JSONLexerEmitter func);
	44
	45	int json_lexer_feed(JSONLexer lexer, const char buffer, size_t size);
	46
	47	int json_lexer_flush(JSONLexer *lexer);
	48
	49	void json_lexer_destroy(JSONLexer *lexer);
	50
	51	#endif