[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/qobject.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_implicit_struct(Visitor *v, void **obj, size_t size,
                                 Error **errp)
{
    if (!error_is_set(errp) && v->start_implicit_struct) {
        v->start_implicit_struct(v, obj, size, errp);
    }
}

void visit_end_implicit_struct(Visitor *v, Error **errp)
{
    assert(!error_is_set(errp));
    if (v->end_implicit_struct) {
        v->end_implicit_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_get_next_type(Visitor *v, int *obj, const int *qtypes,
                         const char *name, Error **errp)
{
    if (!error_is_set(errp) && v->get_next_type) {
        v->get_next_type(v, obj, qtypes, name, 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)
{
    int64_t value;
    if (!error_is_set(errp)) {
        if (v->type_size) {
            v->type_size(v, obj, name, errp);
        } else 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_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"
69dd62df	15	#include "qapi/qmp/qobject.h"
7b1b5d19 PB	16	#include "qapi/qmp/qerror.h"
	17	#include "qapi/visitor.h"
	18	#include "qapi/visitor-impl.h"
2345c77c MR	19
	20	void visit_start_handle(Visitor v, void obj, const char kind,
	21	const char name, Error *errp)
	22	{
	23	if (!error_is_set(errp) && v->start_handle) {
	24	v->start_handle(v, obj, kind, name, errp);
	25	}
	26	}
	27
	28	void visit_end_handle(Visitor v, Error *errp)
	29	{
	30	if (!error_is_set(errp) && v->end_handle) {
	31	v->end_handle(v, errp);
	32	}
	33	}
	34
	35	void visit_start_struct(Visitor v, void obj, const char kind,
	36	const char name, size_t size, Error *errp)
	37	{
	38	if (!error_is_set(errp)) {
	39	v->start_struct(v, obj, kind, name, size, errp);
	40	}
	41	}
	42
	43	void visit_end_struct(Visitor v, Error *errp)
	44	{
d195325b PB	45	assert(!error_is_set(errp));
d195325b PB	46	v->end_struct(v, errp);
2345c77c MR	47	}
2345c77c MR	48
761d524d KW	49	void visit_start_implicit_struct(Visitor v, void *obj, size_t size,
	50	Error **errp)
	51	{
	52	if (!error_is_set(errp) && v->start_implicit_struct) {
	53	v->start_implicit_struct(v, obj, size, errp);
	54	}
	55	}
	56
	57	void visit_end_implicit_struct(Visitor v, Error *errp)
	58	{
	59	assert(!error_is_set(errp));
	60	if (v->end_implicit_struct) {
	61	v->end_implicit_struct(v, errp);
	62	}
	63	}
	64
2345c77c MR	65	void visit_start_list(Visitor v, const char name, Error **errp)
	66	{
	67	if (!error_is_set(errp)) {
	68	v->start_list(v, name, errp);
	69	}
	70	}
	71
	72	GenericList visit_next_list(Visitor v, GenericList list, Error errp)
	73	{
	74	if (!error_is_set(errp)) {
	75	return v->next_list(v, list, errp);
	76	}
	77
	78	return 0;
	79	}
	80
	81	void visit_end_list(Visitor v, Error *errp)
	82	{
d195325b PB	83	assert(!error_is_set(errp));
d195325b PB	84	v->end_list(v, errp);
2345c77c MR	85	}
	86
	87	void visit_start_optional(Visitor v, bool present, const char *name,
	88	Error **errp)
	89	{
	90	if (!error_is_set(errp) && v->start_optional) {
	91	v->start_optional(v, present, name, errp);
	92	}
	93	}
	94
	95	void visit_end_optional(Visitor v, Error *errp)
	96	{
	97	if (!error_is_set(errp) && v->end_optional) {
	98	v->end_optional(v, errp);
	99	}
	100	}
	101
69dd62df KW	102	void visit_get_next_type(Visitor v, int obj, const int *qtypes,
	103	const char name, Error *errp)
	104	{
	105	if (!error_is_set(errp) && v->get_next_type) {
	106	v->get_next_type(v, obj, qtypes, name, errp);
	107	}
	108	}
	109
2345c77c MR	110	void visit_type_enum(Visitor v, int obj, const char *strings[],
	111	const char kind, const char name, Error **errp)
	112	{
	113	if (!error_is_set(errp)) {
	114	v->type_enum(v, obj, strings, kind, name, errp);
	115	}
	116	}
	117
	118	void visit_type_int(Visitor v, int64_t obj, const char name, Error *errp)
	119	{
	120	if (!error_is_set(errp)) {
	121	v->type_int(v, obj, name, errp);
	122	}
	123	}
	124
4e27e819 MR	125	void visit_type_uint8(Visitor v, uint8_t obj, const char name, Error *errp)
	126	{
	127	int64_t value;
	128	if (!error_is_set(errp)) {
	129	if (v->type_uint8) {
	130	v->type_uint8(v, obj, name, errp);
	131	} else {
	132	value = *obj;
	133	v->type_int(v, &value, name, errp);
	134	if (value < 0 \|\| value > UINT8_MAX) {
	135	error_set(errp, QERR_INVALID_PARAMETER_VALUE, name ? name : "null",
	136	"uint8_t");
	137	return;
	138	}
	139	*obj = value;
	140	}
	141	}
	142	}
	143
	144	void visit_type_uint16(Visitor v, uint16_t obj, const char name, Error *errp)
	145	{
	146	int64_t value;
	147	if (!error_is_set(errp)) {
	148	if (v->type_uint16) {
	149	v->type_uint16(v, obj, name, errp);
	150	} else {
	151	value = *obj;
	152	v->type_int(v, &value, name, errp);
	153	if (value < 0 \|\| value > UINT16_MAX) {
	154	error_set(errp, QERR_INVALID_PARAMETER_VALUE, name ? name : "null",
	155	"uint16_t");
	156	return;
	157	}
	158	*obj = value;
	159	}
	160	}
	161	}
	162
	163	void visit_type_uint32(Visitor v, uint32_t obj, const char name, Error *errp)
	164	{
	165	int64_t value;
	166	if (!error_is_set(errp)) {
	167	if (v->type_uint32) {
	168	v->type_uint32(v, obj, name, errp);
	169	} else {
	170	value = *obj;
	171	v->type_int(v, &value, name, errp);
	172	if (value < 0 \|\| value > UINT32_MAX) {
	173	error_set(errp, QERR_INVALID_PARAMETER_VALUE, name ? name : "null",
	174	"uint32_t");
	175	return;
	176	}
	177	*obj = value;
	178	}
	179	}
	180	}
	181
	182	void visit_type_uint64(Visitor v, uint64_t obj, const char name, Error *errp)
	183	{
	184	int64_t value;
	185	if (!error_is_set(errp)) {
	186	if (v->type_uint64) {
	187	v->type_uint64(v, obj, name, errp);
	188	} else {
189	value = *obj;
190	v->type_int(v, &value, name, errp);
191	*obj = value;
192	}
193	}
194	}
195
196	void visit_type_int8(Visitor v, int8_t obj, const char name, Error *errp)
197	{
198	int64_t value;
199	if (!error_is_set(errp)) {
200	if (v->type_int8) {
201	v->type_int8(v, obj, name, errp);
202	} else {
203	value = *obj;
204	v->type_int(v, &value, name, errp);
205	if (value < INT8_MIN \|\| value > INT8_MAX) {
206	error_set(errp, QERR_INVALID_PARAMETER_VALUE, name ? name : "null",
207	"int8_t");
208	return;
209	}
210	*obj = value;
211	}
212	}
213	}
214
215	void visit_type_int16(Visitor v, int16_t obj, const char name, Error *errp)
216	{
217	int64_t value;
218	if (!error_is_set(errp)) {
219	if (v->type_int16) {
220	v->type_int16(v, obj, name, errp);
221	} else {
222	value = *obj;
223	v->type_int(v, &value, name, errp);
224	if (value < INT16_MIN \|\| value > INT16_MAX) {
225	error_set(errp, QERR_INVALID_PARAMETER_VALUE, name ? name : "null",
226	"int16_t");
227	return;
228	}
229	*obj = value;
230	}
231	}
232	}
233
234	void visit_type_int32(Visitor v, int32_t obj, const char name, Error *errp)
235	{
236	int64_t value;
237	if (!error_is_set(errp)) {
238	if (v->type_int32) {
239	v->type_int32(v, obj, name, errp);
240	} else {
241	value = *obj;
242	v->type_int(v, &value, name, errp);
243	if (value < INT32_MIN \|\| value > INT32_MAX) {
244	error_set(errp, QERR_INVALID_PARAMETER_VALUE, name ? name : "null",
245	"int32_t");
246	return;
247	}
248	*obj = value;
249	}
250	}
251	}
252
253	void visit_type_int64(Visitor v, int64_t obj, const char name, Error *errp)
254	{
255	if (!error_is_set(errp)) {
256	if (v->type_int64) {
257	v->type_int64(v, obj, name, errp);
258	} else {
259	v->type_int(v, obj, name, errp);
260	}
261	}
262	}
263
092705d4 LE	264	void visit_type_size(Visitor v, uint64_t obj, const char name, Error *errp)
092705d4 LE	265	{
b8877962	266	int64_t value;
092705d4	267	if (!error_is_set(errp)) {
b8877962 VL	268	if (v->type_size) {
	269	v->type_size(v, obj, name, errp);
	270	} else if (v->type_uint64) {
	271	v->type_uint64(v, obj, name, errp);
	272	} else {
	273	value = *obj;
	274	v->type_int(v, &value, name, errp);
	275	*obj = value;
	276	}
092705d4 LE	277	}
	278	}
	279
2345c77c MR	280	void visit_type_bool(Visitor v, bool obj, const char name, Error *errp)
	281	{
	282	if (!error_is_set(errp)) {
	283	v->type_bool(v, obj, name, errp);
	284	}
	285	}
	286
	287	void visit_type_str(Visitor v, char obj, const char name, Error **errp)
	288	{
	289	if (!error_is_set(errp)) {
	290	v->type_str(v, obj, name, errp);
	291	}
	292	}
	293
	294	void visit_type_number(Visitor v, double obj, const char name, Error *errp)
	295	{
	296	if (!error_is_set(errp)) {
	297	v->type_number(v, obj, name, errp);
	298	}
	299	}
0f71a1e0 PB	300
	301	void output_type_enum(Visitor v, int obj, const char *strings[],
	302	const char kind, const char name,
	303	Error **errp)
	304	{
	305	int i = 0;
	306	int value = *obj;
	307	char *enum_str;
	308
	309	assert(strings);
	310	while (strings[i++] != NULL);
	311	if (value < 0 \|\| value >= i - 1) {
	312	error_set(errp, QERR_INVALID_PARAMETER, name ? name : "null");
	313	return;
	314	}
	315
	316	enum_str = (char *)strings[value];
	317	visit_type_str(v, &enum_str, name, errp);
	318	}
	319
	320	void input_type_enum(Visitor v, int obj, const char *strings[],
	321	const char kind, const char name,
	322	Error **errp)
	323	{
	324	int64_t value = 0;
	325	char *enum_str;
	326
	327	assert(strings);
	328
	329	visit_type_str(v, &enum_str, name, errp);
	330	if (error_is_set(errp)) {
	331	return;
	332	}
	333
	334	while (strings[value] != NULL) {
	335	if (strcmp(strings[value], enum_str) == 0) {
	336	break;
	337	}
	338	value++;
	339	}
	340
	341	if (strings[value] == NULL) {
94c3db85	342	error_set(errp, QERR_INVALID_PARAMETER, enum_str);
0f71a1e0 PB	343	g_free(enum_str);
	344	return;
	345	}
	346
	347	g_free(enum_str);
	348	*obj = value;
	349	}