[qemu.git] / qapi / qapi-visit-core.c

/*
 * Core Definitions for QAPI Visitor Classes
 *
 * Copyright IBM, Corp. 2011
 *
 * 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.
 *
 */

#include "qemu-common.h"
#include "qapi/qmp/qerror.h"
#include "qapi/visitor.h"
#include "qapi/visitor-impl.h"

void visit_start_handle(Visitor *v, void **obj, const char *kind,
                        const char *name, Error **errp)
{
    if (!error_is_set(errp) && v->start_handle) {
        v->start_handle(v, obj, kind, name, errp);
    }
}

void visit_end_handle(Visitor *v, Error **errp)
{
    if (!error_is_set(errp) && v->end_handle) {
        v->end_handle(v, errp);
    }
}

void visit_start_struct(Visitor *v, void **obj, const char *kind,
                        const char *name, size_t size, Error **errp)
{
    if (!error_is_set(errp)) {
        v->start_struct(v, obj, kind, name, size, errp);
    }
}

void visit_end_struct(Visitor *v, Error **errp)
{
    assert(!error_is_set(errp));
    v->end_struct(v, errp);
}

void visit_start_list(Visitor *v, const char *name, Error **errp)
{
    if (!error_is_set(errp)) {
        v->start_list(v, name, errp);
    }
}

GenericList *visit_next_list(Visitor *v, GenericList **list, Error **errp)
{
    if (!error_is_set(errp)) {
        return v->next_list(v, list, errp);
    }

    return 0;
}

void visit_end_list(Visitor *v, Error **errp)
{
    assert(!error_is_set(errp));
    v->end_list(v, errp);
}

void visit_start_optional(Visitor *v, bool *present, const char *name,
                          Error **errp)
{
    if (!error_is_set(errp) && v->start_optional) {
        v->start_optional(v, present, name, errp);
    }
}

void visit_end_optional(Visitor *v, Error **errp)
{
    if (!error_is_set(errp) && v->end_optional) {
        v->end_optional(v, errp);
    }
}

void visit_type_enum(Visitor *v, int *obj, const char *strings[],
                     const char *kind, const char *name, Error **errp)
{
    if (!error_is_set(errp)) {
        v->type_enum(v, obj, strings, kind, name, errp);
    }
}

void visit_type_int(Visitor *v, int64_t *obj, const char *name, Error **errp)
{
    if (!error_is_set(errp)) {
        v->type_int(v, obj, name, errp);
    }
}

void visit_type_uint8(Visitor *v, uint8_t *obj, const char *name, Error **errp)
{
    int64_t value;
    if (!error_is_set(errp)) {
        if (v->type_uint8) {
            v->type_uint8(v, obj, name, errp);
        } else {
            value = *obj;
            v->type_int(v, &value, name, errp);
            if (value < 0 || value > UINT8_MAX) {
                error_set(errp, QERR_INVALID_PARAMETER_VALUE, name ? name : "null",
                          "uint8_t");
                return;
            }
            *obj = value;
        }
    }
}

void visit_type_uint16(Visitor *v, uint16_t *obj, const char *name, Error **errp)
{
    int64_t value;
    if (!error_is_set(errp)) {
        if (v->type_uint16) {
            v->type_uint16(v, obj, name, errp);
        } else {
            value = *obj;
            v->type_int(v, &value, name, errp);
            if (value < 0 || value > UINT16_MAX) {
                error_set(errp, QERR_INVALID_PARAMETER_VALUE, name ? name : "null",
                          "uint16_t");
                return;
            }
            *obj = value;
        }
    }
}

void visit_type_uint32(Visitor *v, uint32_t *obj, const char *name, Error **errp)
{
    int64_t value;
    if (!error_is_set(errp)) {
        if (v->type_uint32) {
            v->type_uint32(v, obj, name, errp);
        } else {
            value = *obj;
            v->type_int(v, &value, name, errp);
            if (value < 0 || value > UINT32_MAX) {
                error_set(errp, QERR_INVALID_PARAMETER_VALUE, name ? name : "null",
                          "uint32_t");
                return;
            }
            *obj = value;
        }
    }
}

void visit_type_uint64(Visitor *v, uint64_t *obj, const char *name, Error **errp)
{
    int64_t value;
    if (!error_is_set(errp)) {
        if (v->type_uint64) {
            v->type_uint64(v, obj, name, errp);
        } else {
            value = *obj;
            v->type_int(v, &value, name, errp);
            *obj = value;
        }
    }
}

void visit_type_int8(Visitor *v, int8_t *obj, const char *name, Error **errp)
{
    int64_t value;
    if (!error_is_set(errp)) {
        if (v->type_int8) {
            v->type_int8(v, obj, name, errp);
        } else {
            value = *obj;
            v->type_int(v, &value, name, errp);
            if (value < INT8_MIN || value > INT8_MAX) {
                error_set(errp, QERR_INVALID_PARAMETER_VALUE, name ? name : "null",
                          "int8_t");
                return;
            }
            *obj = value;
        }
    }
}

void visit_type_int16(Visitor *v, int16_t *obj, const char *name, Error **errp)
{
    int64_t value;
    if (!error_is_set(errp)) {
        if (v->type_int16) {
            v->type_int16(v, obj, name, errp);
        } else {
            value = *obj;
            v->type_int(v, &value, name, errp);
            if (value < INT16_MIN || value > INT16_MAX) {
                error_set(errp, QERR_INVALID_PARAMETER_VALUE, name ? name : "null",
                          "int16_t");
                return;
            }
            *obj = value;
        }
    }
}

void visit_type_int32(Visitor *v, int32_t *obj, const char *name, Error **errp)
{
    int64_t value;
    if (!error_is_set(errp)) {
        if (v->type_int32) {
            v->type_int32(v, obj, name, errp);
        } else {
            value = *obj;
            v->type_int(v, &value, name, errp);
            if (value < INT32_MIN || value > INT32_MAX) {
                error_set(errp, QERR_INVALID_PARAMETER_VALUE, name ? name : "null",
                          "int32_t");
                return;
            }
            *obj = value;
        }
    }
}

void visit_type_int64(Visitor *v, int64_t *obj, const char *name, Error **errp)
{
    if (!error_is_set(errp)) {
        if (v->type_int64) {
            v->type_int64(v, obj, name, errp);
        } else {
            v->type_int(v, obj, name, errp);
        }
    }
}

void visit_type_size(Visitor *v, uint64_t *obj, const char *name, Error **errp)
{
    if (!error_is_set(errp)) {
        (v->type_size ? v->type_size : v->type_uint64)(v, obj, name, errp);
    }
}

void visit_type_bool(Visitor *v, bool *obj, const char *name, Error **errp)
{
    if (!error_is_set(errp)) {
        v->type_bool(v, obj, name, errp);
    }
}

void visit_type_str(Visitor *v, char **obj, const char *name, Error **errp)
{
    if (!error_is_set(errp)) {
        v->type_str(v, obj, name, errp);
    }
}

void visit_type_number(Visitor *v, double *obj, const char *name, Error **errp)
{
    if (!error_is_set(errp)) {
        v->type_number(v, obj, name, errp);
    }
}

void output_type_enum(Visitor *v, int *obj, const char *strings[],
                      const char *kind, const char *name,
                      Error **errp)
{
    int i = 0;
    int value = *obj;
    char *enum_str;

    assert(strings);
    while (strings[i++] != NULL);
    if (value < 0 || value >= i - 1) {
        error_set(errp, QERR_INVALID_PARAMETER, name ? name : "null");
        return;
    }

    enum_str = (char *)strings[value];
    visit_type_str(v, &enum_str, name, errp);
}

void input_type_enum(Visitor *v, int *obj, const char *strings[],
                     const char *kind, const char *name,
                     Error **errp)
{
    int64_t value = 0;
    char *enum_str;

    assert(strings);

    visit_type_str(v, &enum_str, name, errp);
    if (error_is_set(errp)) {
        return;
    }

    while (strings[value] != NULL) {
        if (strcmp(strings[value], enum_str) == 0) {
            break;
        }
        value++;
    }

    if (strings[value] == NULL) {
        error_set(errp, QERR_INVALID_PARAMETER, enum_str);
        g_free(enum_str);
        return;
    }

    g_free(enum_str);
    *obj = value;
}
Commit	Line	Data
2345c77c MR	1	/*
	2	* Core Definitions for QAPI Visitor Classes
	3	*
	4	* Copyright IBM, Corp. 2011
	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
79ee7df8	14	#include "qemu-common.h"
7b1b5d19 PB	15	#include "qapi/qmp/qerror.h"
	16	#include "qapi/visitor.h"
	17	#include "qapi/visitor-impl.h"
2345c77c MR	18
	19	void visit_start_handle(Visitor v, void obj, const char kind,
	20	const char name, Error *errp)
	21	{
	22	if (!error_is_set(errp) && v->start_handle) {
	23	v->start_handle(v, obj, kind, name, errp);
	24	}
	25	}
	26
	27	void visit_end_handle(Visitor v, Error *errp)
	28	{
	29	if (!error_is_set(errp) && v->end_handle) {
	30	v->end_handle(v, errp);
	31	}
	32	}
	33
	34	void visit_start_struct(Visitor v, void obj, const char kind,
	35	const char name, size_t size, Error *errp)
	36	{
	37	if (!error_is_set(errp)) {
	38	v->start_struct(v, obj, kind, name, size, errp);
	39	}
	40	}
	41
	42	void visit_end_struct(Visitor v, Error *errp)
	43	{
d195325b PB	44	assert(!error_is_set(errp));
d195325b PB	45	v->end_struct(v, errp);
2345c77c MR	46	}
	47
	48	void visit_start_list(Visitor v, const char name, Error **errp)
	49	{
	50	if (!error_is_set(errp)) {
	51	v->start_list(v, name, errp);
	52	}
	53	}
	54
	55	GenericList visit_next_list(Visitor v, GenericList list, Error errp)
	56	{
	57	if (!error_is_set(errp)) {
	58	return v->next_list(v, list, errp);
	59	}
	60
	61	return 0;
	62	}
	63
	64	void visit_end_list(Visitor v, Error *errp)
	65	{
d195325b PB	66	assert(!error_is_set(errp));
d195325b PB	67	v->end_list(v, errp);
2345c77c MR	68	}
	69
	70	void visit_start_optional(Visitor v, bool present, const char *name,
	71	Error **errp)
	72	{
	73	if (!error_is_set(errp) && v->start_optional) {
	74	v->start_optional(v, present, name, errp);
	75	}
	76	}
	77
	78	void visit_end_optional(Visitor v, Error *errp)
	79	{
	80	if (!error_is_set(errp) && v->end_optional) {
	81	v->end_optional(v, errp);
	82	}
	83	}
	84
	85	void visit_type_enum(Visitor v, int obj, const char *strings[],
	86	const char kind, const char name, Error **errp)
	87	{
	88	if (!error_is_set(errp)) {
	89	v->type_enum(v, obj, strings, kind, name, errp);
	90	}
	91	}
	92
	93	void visit_type_int(Visitor v, int64_t obj, const char name, Error *errp)
	94	{
	95	if (!error_is_set(errp)) {
	96	v->type_int(v, obj, name, errp);
	97	}
	98	}
	99
4e27e819 MR	100	void visit_type_uint8(Visitor v, uint8_t obj, const char name, Error *errp)
	101	{
	102	int64_t value;
	103	if (!error_is_set(errp)) {
	104	if (v->type_uint8) {
	105	v->type_uint8(v, obj, name, errp);
	106	} else {
	107	value = *obj;
	108	v->type_int(v, &value, name, errp);
	109	if (value < 0 \|\| value > UINT8_MAX) {
	110	error_set(errp, QERR_INVALID_PARAMETER_VALUE, name ? name : "null",
	111	"uint8_t");
	112	return;
	113	}
	114	*obj = value;
	115	}
	116	}
	117	}
	118
	119	void visit_type_uint16(Visitor v, uint16_t obj, const char name, Error *errp)
	120	{
	121	int64_t value;
	122	if (!error_is_set(errp)) {
	123	if (v->type_uint16) {
	124	v->type_uint16(v, obj, name, errp);
	125	} else {
	126	value = *obj;
	127	v->type_int(v, &value, name, errp);
	128	if (value < 0 \|\| value > UINT16_MAX) {
	129	error_set(errp, QERR_INVALID_PARAMETER_VALUE, name ? name : "null",
	130	"uint16_t");
	131	return;
	132	}
	133	*obj = value;
	134	}
	135	}
	136	}
	137
	138	void visit_type_uint32(Visitor v, uint32_t obj, const char name, Error *errp)
	139	{
	140	int64_t value;
	141	if (!error_is_set(errp)) {
	142	if (v->type_uint32) {
	143	v->type_uint32(v, obj, name, errp);
	144	} else {
	145	value = *obj;
	146	v->type_int(v, &value, name, errp);
	147	if (value < 0 \|\| value > UINT32_MAX) {
	148	error_set(errp, QERR_INVALID_PARAMETER_VALUE, name ? name : "null",
	149	"uint32_t");
	150	return;
	151	}
	152	*obj = value;
	153	}
	154	}
	155	}
	156
	157	void visit_type_uint64(Visitor v, uint64_t obj, const char name, Error *errp)
	158	{
	159	int64_t value;
	160	if (!error_is_set(errp)) {
	161	if (v->type_uint64) {
	162	v->type_uint64(v, obj, name, errp);
	163	} else {
164	value = *obj;
165	v->type_int(v, &value, name, errp);
166	*obj = value;
167	}
168	}
169	}
170
171	void visit_type_int8(Visitor v, int8_t obj, const char name, Error *errp)
172	{
173	int64_t value;
174	if (!error_is_set(errp)) {
175	if (v->type_int8) {
176	v->type_int8(v, obj, name, errp);
177	} else {
178	value = *obj;
179	v->type_int(v, &value, name, errp);
180	if (value < INT8_MIN \|\| value > INT8_MAX) {
181	error_set(errp, QERR_INVALID_PARAMETER_VALUE, name ? name : "null",
182	"int8_t");
183	return;
184	}
185	*obj = value;
186	}
187	}
188	}
189
190	void visit_type_int16(Visitor v, int16_t obj, const char name, Error *errp)
191	{
192	int64_t value;
193	if (!error_is_set(errp)) {
194	if (v->type_int16) {
195	v->type_int16(v, obj, name, errp);
196	} else {
197	value = *obj;
198	v->type_int(v, &value, name, errp);
199	if (value < INT16_MIN \|\| value > INT16_MAX) {
200	error_set(errp, QERR_INVALID_PARAMETER_VALUE, name ? name : "null",
201	"int16_t");
202	return;
203	}
204	*obj = value;
205	}
206	}
207	}
208
209	void visit_type_int32(Visitor v, int32_t obj, const char name, Error *errp)
210	{
211	int64_t value;
212	if (!error_is_set(errp)) {
213	if (v->type_int32) {
214	v->type_int32(v, obj, name, errp);
215	} else {
216	value = *obj;
217	v->type_int(v, &value, name, errp);
218	if (value < INT32_MIN \|\| value > INT32_MAX) {
219	error_set(errp, QERR_INVALID_PARAMETER_VALUE, name ? name : "null",
220	"int32_t");
221	return;
222	}
223	*obj = value;
224	}
225	}
226	}
227
228	void visit_type_int64(Visitor v, int64_t obj, const char name, Error *errp)
229	{
230	if (!error_is_set(errp)) {
231	if (v->type_int64) {
232	v->type_int64(v, obj, name, errp);
233	} else {
234	v->type_int(v, obj, name, errp);
235	}
236	}
237	}
238
092705d4 LE	239	void visit_type_size(Visitor v, uint64_t obj, const char name, Error *errp)
	240	{
	241	if (!error_is_set(errp)) {
	242	(v->type_size ? v->type_size : v->type_uint64)(v, obj, name, errp);
	243	}
	244	}
	245
2345c77c MR	246	void visit_type_bool(Visitor v, bool obj, const char name, Error *errp)
	247	{
	248	if (!error_is_set(errp)) {
	249	v->type_bool(v, obj, name, errp);
	250	}
	251	}
	252
	253	void visit_type_str(Visitor v, char obj, const char name, Error **errp)
	254	{
	255	if (!error_is_set(errp)) {
	256	v->type_str(v, obj, name, errp);
	257	}
	258	}
	259
	260	void visit_type_number(Visitor v, double obj, const char name, Error *errp)
	261	{
	262	if (!error_is_set(errp)) {
	263	v->type_number(v, obj, name, errp);
	264	}
	265	}
0f71a1e0 PB	266
	267	void output_type_enum(Visitor v, int obj, const char *strings[],
	268	const char kind, const char name,
	269	Error **errp)
	270	{
	271	int i = 0;
	272	int value = *obj;
	273	char *enum_str;
	274
	275	assert(strings);
	276	while (strings[i++] != NULL);
	277	if (value < 0 \|\| value >= i - 1) {
	278	error_set(errp, QERR_INVALID_PARAMETER, name ? name : "null");
	279	return;
	280	}
	281
	282	enum_str = (char *)strings[value];
	283	visit_type_str(v, &enum_str, name, errp);
	284	}
	285
	286	void input_type_enum(Visitor v, int obj, const char *strings[],
	287	const char kind, const char name,
	288	Error **errp)
	289	{
	290	int64_t value = 0;
	291	char *enum_str;
	292
	293	assert(strings);
	294
	295	visit_type_str(v, &enum_str, name, errp);
	296	if (error_is_set(errp)) {
	297	return;
	298	}
	299
	300	while (strings[value] != NULL) {
	301	if (strcmp(strings[value], enum_str) == 0) {
	302	break;
	303	}
	304	value++;
	305	}
	306
	307	if (strings[value] == NULL) {
94c3db85	308	error_set(errp, QERR_INVALID_PARAMETER, enum_str);
0f71a1e0 PB	309	g_free(enum_str);
	310	return;
	311	}
	312
	313	g_free(enum_str);
	314	*obj = value;
	315	}