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/*

 * 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