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