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90 lines
2.2 KiB
C
90 lines
2.2 KiB
C
/*
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* String printing Visitor
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*
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* Copyright Red Hat, Inc. 2012
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*
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* Author: Paolo Bonzini <pbonzini@redhat.com>
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*
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* This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
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* See the COPYING.LIB file in the top-level directory.
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*
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*/
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#include "qemu-common.h"
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#include "qapi/string-output-visitor.h"
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#include "qapi/visitor-impl.h"
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#include "qapi/qmp/qerror.h"
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struct StringOutputVisitor
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{
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Visitor visitor;
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char *string;
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};
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static void string_output_set(StringOutputVisitor *sov, char *string)
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{
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g_free(sov->string);
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sov->string = string;
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}
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static void print_type_int(Visitor *v, int64_t *obj, const char *name,
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Error **errp)
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{
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StringOutputVisitor *sov = DO_UPCAST(StringOutputVisitor, visitor, v);
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string_output_set(sov, g_strdup_printf("%lld", (long long) *obj));
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}
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static void print_type_bool(Visitor *v, bool *obj, const char *name,
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Error **errp)
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{
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StringOutputVisitor *sov = DO_UPCAST(StringOutputVisitor, visitor, v);
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string_output_set(sov, g_strdup(*obj ? "true" : "false"));
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}
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static void print_type_str(Visitor *v, char **obj, const char *name,
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Error **errp)
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{
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StringOutputVisitor *sov = DO_UPCAST(StringOutputVisitor, visitor, v);
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string_output_set(sov, g_strdup(*obj ? *obj : ""));
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}
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static void print_type_number(Visitor *v, double *obj, const char *name,
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Error **errp)
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{
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StringOutputVisitor *sov = DO_UPCAST(StringOutputVisitor, visitor, v);
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string_output_set(sov, g_strdup_printf("%f", *obj));
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}
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char *string_output_get_string(StringOutputVisitor *sov)
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{
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char *string = sov->string;
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sov->string = NULL;
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return string;
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}
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Visitor *string_output_get_visitor(StringOutputVisitor *sov)
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{
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return &sov->visitor;
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}
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void string_output_visitor_cleanup(StringOutputVisitor *sov)
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{
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g_free(sov->string);
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g_free(sov);
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}
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StringOutputVisitor *string_output_visitor_new(void)
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{
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StringOutputVisitor *v;
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v = g_malloc0(sizeof(*v));
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v->visitor.type_enum = output_type_enum;
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v->visitor.type_int = print_type_int;
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v->visitor.type_bool = print_type_bool;
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v->visitor.type_str = print_type_str;
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v->visitor.type_number = print_type_number;
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return v;
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}
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