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

/*
 * Core Definitions for QAPI Visitor Classes
 *
 * Copyright IBM, Corp. 2011
 *
 * Authors:
 *  Anthony Liguori   <[email protected]>
 *
 * 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_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_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 <[email protected]>
	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	}
2345c77c MR	47
761d524d KW	48	void visit_start_implicit_struct(Visitor v, void *obj, size_t size,
	49	Error **errp)
	50	{
	51	if (!error_is_set(errp) && v->start_implicit_struct) {
	52	v->start_implicit_struct(v, obj, size, errp);
	53	}
	54	}
	55
	56	void visit_end_implicit_struct(Visitor v, Error *errp)
	57	{
	58	assert(!error_is_set(errp));
	59	if (v->end_implicit_struct) {
	60	v->end_implicit_struct(v, errp);
	61	}
	62	}
	63
2345c77c MR	64	void visit_start_list(Visitor v, const char name, Error **errp)
	65	{
	66	if (!error_is_set(errp)) {
	67	v->start_list(v, name, errp);
	68	}
	69	}
	70
	71	GenericList visit_next_list(Visitor v, GenericList list, Error errp)
	72	{
	73	if (!error_is_set(errp)) {
	74	return v->next_list(v, list, errp);
	75	}
	76
	77	return 0;
	78	}
	79
	80	void visit_end_list(Visitor v, Error *errp)
	81	{
d195325b PB	82	assert(!error_is_set(errp));
d195325b PB	83	v->end_list(v, errp);
2345c77c MR	84	}
	85
	86	void visit_start_optional(Visitor v, bool present, const char *name,
	87	Error **errp)
	88	{
	89	if (!error_is_set(errp) && v->start_optional) {
	90	v->start_optional(v, present, name, errp);
	91	}
	92	}
	93
	94	void visit_end_optional(Visitor v, Error *errp)
	95	{
	96	if (!error_is_set(errp) && v->end_optional) {
	97	v->end_optional(v, errp);
	98	}
	99	}
	100
	101	void visit_type_enum(Visitor v, int obj, const char *strings[],
	102	const char kind, const char name, Error **errp)
	103	{
	104	if (!error_is_set(errp)) {
	105	v->type_enum(v, obj, strings, kind, name, errp);
	106	}
	107	}
	108
	109	void visit_type_int(Visitor v, int64_t obj, const char name, Error *errp)
	110	{
	111	if (!error_is_set(errp)) {
	112	v->type_int(v, obj, name, errp);
	113	}
	114	}
	115
4e27e819 MR	116	void visit_type_uint8(Visitor v, uint8_t obj, const char name, Error *errp)
	117	{
	118	int64_t value;
	119	if (!error_is_set(errp)) {
	120	if (v->type_uint8) {
	121	v->type_uint8(v, obj, name, errp);
	122	} else {
	123	value = *obj;
	124	v->type_int(v, &value, name, errp);
	125	if (value < 0 \|\| value > UINT8_MAX) {
	126	error_set(errp, QERR_INVALID_PARAMETER_VALUE, name ? name : "null",
	127	"uint8_t");
	128	return;
	129	}
	130	*obj = value;
	131	}
	132	}
	133	}
	134
	135	void visit_type_uint16(Visitor v, uint16_t obj, const char name, Error *errp)
	136	{
	137	int64_t value;
	138	if (!error_is_set(errp)) {
	139	if (v->type_uint16) {
	140	v->type_uint16(v, obj, name, errp);
	141	} else {
	142	value = *obj;
	143	v->type_int(v, &value, name, errp);
	144	if (value < 0 \|\| value > UINT16_MAX) {
	145	error_set(errp, QERR_INVALID_PARAMETER_VALUE, name ? name : "null",
	146	"uint16_t");
	147	return;
	148	}
	149	*obj = value;
	150	}
	151	}
	152	}
	153
	154	void visit_type_uint32(Visitor v, uint32_t obj, const char name, Error *errp)
	155	{
	156	int64_t value;
	157	if (!error_is_set(errp)) {
	158	if (v->type_uint32) {
	159	v->type_uint32(v, obj, name, errp);
	160	} else {
	161	value = *obj;
	162	v->type_int(v, &value, name, errp);
	163	if (value < 0 \|\| value > UINT32_MAX) {
	164	error_set(errp, QERR_INVALID_PARAMETER_VALUE, name ? name : "null",
	165	"uint32_t");
	166	return;
	167	}
	168	*obj = value;
	169	}
	170	}
	171	}
	172
	173	void visit_type_uint64(Visitor v, uint64_t obj, const char name, Error *errp)
	174	{
	175	int64_t value;
	176	if (!error_is_set(errp)) {
	177	if (v->type_uint64) {
	178	v->type_uint64(v, obj, name, errp);
	179	} else {
180	value = *obj;
181	v->type_int(v, &value, name, errp);
182	*obj = value;
183	}
184	}
185	}
186
187	void visit_type_int8(Visitor v, int8_t obj, const char name, Error *errp)
188	{
189	int64_t value;
190	if (!error_is_set(errp)) {
191	if (v->type_int8) {
192	v->type_int8(v, obj, name, errp);
193	} else {
194	value = *obj;
195	v->type_int(v, &value, name, errp);
196	if (value < INT8_MIN \|\| value > INT8_MAX) {
197	error_set(errp, QERR_INVALID_PARAMETER_VALUE, name ? name : "null",
198	"int8_t");
199	return;
200	}
201	*obj = value;
202	}
203	}
204	}
205
206	void visit_type_int16(Visitor v, int16_t obj, const char name, Error *errp)
207	{
208	int64_t value;
209	if (!error_is_set(errp)) {
210	if (v->type_int16) {
211	v->type_int16(v, obj, name, errp);
212	} else {
213	value = *obj;
214	v->type_int(v, &value, name, errp);
215	if (value < INT16_MIN \|\| value > INT16_MAX) {
216	error_set(errp, QERR_INVALID_PARAMETER_VALUE, name ? name : "null",
217	"int16_t");
218	return;
219	}
220	*obj = value;
221	}
222	}
223	}
224
225	void visit_type_int32(Visitor v, int32_t obj, const char name, Error *errp)
226	{
227	int64_t value;
228	if (!error_is_set(errp)) {
229	if (v->type_int32) {
230	v->type_int32(v, obj, name, errp);
231	} else {
232	value = *obj;
233	v->type_int(v, &value, name, errp);
234	if (value < INT32_MIN \|\| value > INT32_MAX) {
235	error_set(errp, QERR_INVALID_PARAMETER_VALUE, name ? name : "null",
236	"int32_t");
237	return;
238	}
239	*obj = value;
240	}
241	}
242	}
243
244	void visit_type_int64(Visitor v, int64_t obj, const char name, Error *errp)
245	{
246	if (!error_is_set(errp)) {
247	if (v->type_int64) {
248	v->type_int64(v, obj, name, errp);
249	} else {
250	v->type_int(v, obj, name, errp);
251	}
252	}
253	}
254
092705d4 LE	255	void visit_type_size(Visitor v, uint64_t obj, const char name, Error *errp)
	256	{
	257	if (!error_is_set(errp)) {
	258	(v->type_size ? v->type_size : v->type_uint64)(v, obj, name, errp);
	259	}
	260	}
	261
2345c77c MR	262	void visit_type_bool(Visitor v, bool obj, const char name, Error *errp)
	263	{
	264	if (!error_is_set(errp)) {
	265	v->type_bool(v, obj, name, errp);
	266	}
	267	}
	268
	269	void visit_type_str(Visitor v, char obj, const char name, Error **errp)
	270	{
	271	if (!error_is_set(errp)) {
	272	v->type_str(v, obj, name, errp);
	273	}
	274	}
	275
	276	void visit_type_number(Visitor v, double obj, const char name, Error *errp)
	277	{
	278	if (!error_is_set(errp)) {
	279	v->type_number(v, obj, name, errp);
	280	}
	281	}
0f71a1e0 PB	282
	283	void output_type_enum(Visitor v, int obj, const char *strings[],
	284	const char kind, const char name,
	285	Error **errp)
	286	{
	287	int i = 0;
	288	int value = *obj;
	289	char *enum_str;
	290
	291	assert(strings);
	292	while (strings[i++] != NULL);
	293	if (value < 0 \|\| value >= i - 1) {
	294	error_set(errp, QERR_INVALID_PARAMETER, name ? name : "null");
	295	return;
	296	}
	297
	298	enum_str = (char *)strings[value];
	299	visit_type_str(v, &enum_str, name, errp);
	300	}
	301
	302	void input_type_enum(Visitor v, int obj, const char *strings[],
	303	const char kind, const char name,
	304	Error **errp)
	305	{
	306	int64_t value = 0;
	307	char *enum_str;
	308
	309	assert(strings);
	310
	311	visit_type_str(v, &enum_str, name, errp);
	312	if (error_is_set(errp)) {
	313	return;
	314	}
	315
	316	while (strings[value] != NULL) {
	317	if (strcmp(strings[value], enum_str) == 0) {
	318	break;
	319	}
	320	value++;
	321	}
	322
	323	if (strings[value] == NULL) {
94c3db85	324	error_set(errp, QERR_INVALID_PARAMETER, enum_str);
0f71a1e0 PB	325	g_free(enum_str);
	326	return;
	327	}
	328
	329	g_free(enum_str);
	330	*obj = value;
	331	}