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/*

 * 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;

}