libvirt/src/util/json.h

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/*
* json.h: JSON object parsing/formatting
*
* Copyright (C) 2009 Daniel P. Berrange
* Copyright (C) 2009 Red Hat, Inc.
*
* This library 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 library 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 library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef __VIR_JSON_H_
# define __VIR_JSON_H_
# include "internal.h"
enum {
VIR_JSON_TYPE_OBJECT,
VIR_JSON_TYPE_ARRAY,
VIR_JSON_TYPE_STRING,
VIR_JSON_TYPE_NUMBER,
VIR_JSON_TYPE_BOOLEAN,
VIR_JSON_TYPE_NULL,
};
typedef struct _virJSONValue virJSONValue;
typedef virJSONValue *virJSONValuePtr;
typedef struct _virJSONObject virJSONObject;
typedef virJSONObject *virJSONObjectPtr;
typedef struct _virJSONObjectPair virJSONObjectPair;
typedef virJSONObjectPair *virJSONObjectPairPtr;
typedef struct _virJSONArray virJSONArray;
typedef virJSONArray *virJSONArrayPtr;
struct _virJSONObjectPair {
char *key;
virJSONValuePtr value;
};
struct _virJSONObject {
unsigned int npairs;
virJSONObjectPairPtr pairs;
};
struct _virJSONArray {
unsigned int nvalues;
virJSONValuePtr *values;
};
struct _virJSONValue {
int type;
union {
virJSONObject object;
virJSONArray array;
char *string;
char *number; /* int/float/etc format is context defined so we can't parse it here :-( */
int boolean;
} data;
};
void virJSONValueFree(virJSONValuePtr value);
virJSONValuePtr virJSONValueNewString(const char *data);
virJSONValuePtr virJSONValueNewStringLen(const char *data, size_t length);
virJSONValuePtr virJSONValueNewNumberInt(int data);
virJSONValuePtr virJSONValueNewNumberUint(unsigned int data);
virJSONValuePtr virJSONValueNewNumberLong(long long data);
virJSONValuePtr virJSONValueNewNumberUlong(unsigned long long data);
virJSONValuePtr virJSONValueNewNumberDouble(double data);
virJSONValuePtr virJSONValueNewBoolean(int boolean);
virJSONValuePtr virJSONValueNewNull(void);
virJSONValuePtr virJSONValueNewArray(void);
virJSONValuePtr virJSONValueNewObject(void);
int virJSONValueObjectAppend(virJSONValuePtr object, const char *key, virJSONValuePtr value);
int virJSONValueArrayAppend(virJSONValuePtr object, virJSONValuePtr value);
int virJSONValueObjectHasKey(virJSONValuePtr object, const char *key);
virJSONValuePtr virJSONValueObjectGet(virJSONValuePtr object, const char *key);
int virJSONValueArraySize(virJSONValuePtr object);
virJSONValuePtr virJSONValueArrayGet(virJSONValuePtr object, unsigned int element);
const char *virJSONValueGetString(virJSONValuePtr object);
int virJSONValueGetNumberInt(virJSONValuePtr object, int *value);
int virJSONValueGetNumberUint(virJSONValuePtr object, unsigned int *value);
int virJSONValueGetNumberLong(virJSONValuePtr object, long long *value);
int virJSONValueGetNumberUlong(virJSONValuePtr object, unsigned long long *value);
int virJSONValueGetNumberDouble(virJSONValuePtr object, double *value);
int virJSONValueGetBoolean(virJSONValuePtr object, bool *value);
int virJSONValueIsNull(virJSONValuePtr object);
const char *virJSONValueObjectGetString(virJSONValuePtr object, const char *key);
int virJSONValueObjectGetNumberInt(virJSONValuePtr object, const char *key, int *value);
int virJSONValueObjectGetNumberUint(virJSONValuePtr object, const char *key, unsigned int *value);
int virJSONValueObjectGetNumberLong(virJSONValuePtr object, const char *key, long long *value);
int virJSONValueObjectGetNumberUlong(virJSONValuePtr object, const char *key, unsigned long long *value);
int virJSONValueObjectGetNumberDouble(virJSONValuePtr object, const char *key, double *value);
int virJSONValueObjectGetBoolean(virJSONValuePtr object, const char *key, bool *value);
int virJSONValueObjectIsNull(virJSONValuePtr object, const char *key);
int virJSONValueObjectAppendString(virJSONValuePtr object, const char *key, const char *value);
int virJSONValueObjectAppendNumberInt(virJSONValuePtr object, const char *key, int number);
int virJSONValueObjectAppendNumberUint(virJSONValuePtr object, const char *key, unsigned int number);
int virJSONValueObjectAppendNumberLong(virJSONValuePtr object, const char *key, long long number);
int virJSONValueObjectAppendNumberUlong(virJSONValuePtr object, const char *key, unsigned long long number);
int virJSONValueObjectAppendNumberDouble(virJSONValuePtr object, const char *key, double number);
int virJSONValueObjectAppendBoolean(virJSONValuePtr object, const char *key, int boolean);
int virJSONValueObjectAppendNull(virJSONValuePtr object, const char *key);
virJSONValuePtr virJSONValueFromString(const char *jsonstring);
char *virJSONValueToString(virJSONValuePtr object);
#endif /* __VIR_JSON_H_ */