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/*

 * String printing Visitor

 *

 * Copyright Red Hat, Inc. 2012

 *

 * Author: Paolo Bonzini <pbonzini@redhat.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 "string-output-visitor.h"

#include "qapi/qapi-visit-impl.h"

#include "qerror.h"

struct StringOutputVisitor

{

    Visitor visitor;

    char *string;

};

static void string_output_set(StringOutputVisitor *sov, char *string)

{

    g_free(sov->string);

    sov->string = string;

}

static void print_type_int(Visitor *v, int64_t *obj, const char *name,

                           Error **errp)

{

    StringOutputVisitor *sov = DO_UPCAST(StringOutputVisitor, visitor, v);

    string_output_set(sov, g_strdup_printf("%lld", (long long) *obj));

}

static void print_type_bool(Visitor *v, bool *obj, const char *name,

                            Error **errp)

{

    StringOutputVisitor *sov = DO_UPCAST(StringOutputVisitor, visitor, v);

    string_output_set(sov, g_strdup(*obj ? "true" : "false"));

}

static void print_type_str(Visitor *v, char **obj, const char *name,

                           Error **errp)

{

    StringOutputVisitor *sov = DO_UPCAST(StringOutputVisitor, visitor, v);

    string_output_set(sov, g_strdup(*obj ? *obj : ""));

}

static void print_type_number(Visitor *v, double *obj, const char *name,

                              Error **errp)

{

    StringOutputVisitor *sov = DO_UPCAST(StringOutputVisitor, visitor, v);

    string_output_set(sov, g_strdup_printf("%f", *obj));

}

char *string_output_get_string(StringOutputVisitor *sov)

{

    char *string = sov->string;

    sov->string = NULL;

    return string;

}

Visitor *string_output_get_visitor(StringOutputVisitor *sov)

{

    return &sov->visitor;

}

void string_output_visitor_cleanup(StringOutputVisitor *sov)

{

    g_free(sov->string);

    g_free(sov);

}

StringOutputVisitor *string_output_visitor_new(void)

{

    StringOutputVisitor *v;

    v = g_malloc0(sizeof(*v));

    v->visitor.type_enum = output_type_enum;

    v->visitor.type_int = print_type_int;

    v->visitor.type_bool = print_type_bool;

    v->visitor.type_str = print_type_str;

    v->visitor.type_number = print_type_number;

    return v;

}