/* * 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 "qapi/string-output-visitor.h" #include "qapi/visitor-impl.h" #include "qapi/qmp/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; }