From 0f71a1e0c8d64b84edd5ac5abdce70a4fb9357a9 Mon Sep 17 00:00:00 2001 From: Paolo Bonzini Date: Thu, 9 Feb 2012 09:11:52 +0100 Subject: qapi: allow sharing enum implementation across visitors Most visitors will use the same code for enum parsing. Move it to the core. Signed-off-by: Paolo Bonzini --- qapi/qapi-visit-core.c | 51 +++++++++++++++++++++++++++++++++++++++++++++++ qapi/qapi-visit-impl.h | 23 +++++++++++++++++++++ qapi/qmp-input-visitor.c | 34 ++----------------------------- qapi/qmp-output-visitor.c | 22 ++------------------ 4 files changed, 78 insertions(+), 52 deletions(-) create mode 100644 qapi/qapi-visit-impl.h (limited to 'qapi') diff --git a/qapi/qapi-visit-core.c b/qapi/qapi-visit-core.c index ddef3eda12..a4e088c9fc 100644 --- a/qapi/qapi-visit-core.c +++ b/qapi/qapi-visit-core.c @@ -12,6 +12,7 @@ */ #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) @@ -116,3 +117,53 @@ void visit_type_number(Visitor *v, double *obj, const char *name, Error **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, name ? name : "null"); + g_free(enum_str); + return; + } + + g_free(enum_str); + *obj = value; +} diff --git a/qapi/qapi-visit-impl.h b/qapi/qapi-visit-impl.h new file mode 100644 index 0000000000..0f3a1898fe --- /dev/null +++ b/qapi/qapi-visit-impl.h @@ -0,0 +1,23 @@ +/* + * Core Definitions for QAPI Visitor implementations + * + * Copyright (C) 2012 Red Hat, Inc. + * + * Author: Paolo Bonizni + * + * 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. + * + */ +#ifndef QAPI_VISITOR_IMPL_H +#define QAPI_VISITOR_IMPL_H + +#include "qapi/qapi-types-core.h" +#include "qapi/qapi-visit-core.h" + +void input_type_enum(Visitor *v, int *obj, const char *strings[], + const char *kind, const char *name, Error **errp); +void output_type_enum(Visitor *v, int *obj, const char *strings[], + const char *kind, const char *name, Error **errp); + +#endif diff --git a/qapi/qmp-input-visitor.c b/qapi/qmp-input-visitor.c index c78022bb87..012cd0a071 100644 --- a/qapi/qmp-input-visitor.c +++ b/qapi/qmp-input-visitor.c @@ -12,6 +12,7 @@ */ #include "qmp-input-visitor.h" +#include "qapi/qapi-visit-impl.h" #include "qemu-queue.h" #include "qemu-common.h" #include "qemu-objects.h" @@ -217,37 +218,6 @@ static void qmp_input_type_number(Visitor *v, double *obj, const char *name, *obj = qfloat_get_double(qobject_to_qfloat(qobj)); } -static void qmp_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); - - qmp_input_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, name ? name : "null"); - g_free(enum_str); - return; - } - - g_free(enum_str); - *obj = value; -} - static void qmp_input_start_optional(Visitor *v, bool *present, const char *name, Error **errp) { @@ -288,7 +258,7 @@ QmpInputVisitor *qmp_input_visitor_new(QObject *obj) v->visitor.start_list = qmp_input_start_list; v->visitor.next_list = qmp_input_next_list; v->visitor.end_list = qmp_input_end_list; - v->visitor.type_enum = qmp_input_type_enum; + v->visitor.type_enum = input_type_enum; v->visitor.type_int = qmp_input_type_int; v->visitor.type_bool = qmp_input_type_bool; v->visitor.type_str = qmp_input_type_str; diff --git a/qapi/qmp-output-visitor.c b/qapi/qmp-output-visitor.c index f76d0159cd..e0697b0d0f 100644 --- a/qapi/qmp-output-visitor.c +++ b/qapi/qmp-output-visitor.c @@ -12,6 +12,7 @@ */ #include "qmp-output-visitor.h" +#include "qapi/qapi-visit-impl.h" #include "qemu-queue.h" #include "qemu-common.h" #include "qemu-objects.h" @@ -180,25 +181,6 @@ static void qmp_output_type_number(Visitor *v, double *obj, const char *name, qmp_output_add(qov, name, qfloat_from_double(*obj)); } -static void qmp_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]; - qmp_output_type_str(v, &enum_str, name, errp); -} - QObject *qmp_output_get_qobject(QmpOutputVisitor *qov) { QObject *obj = qmp_output_first(qov); @@ -239,7 +221,7 @@ QmpOutputVisitor *qmp_output_visitor_new(void) v->visitor.start_list = qmp_output_start_list; v->visitor.next_list = qmp_output_next_list; v->visitor.end_list = qmp_output_end_list; - v->visitor.type_enum = qmp_output_type_enum; + v->visitor.type_enum = output_type_enum; v->visitor.type_int = qmp_output_type_int; v->visitor.type_bool = qmp_output_type_bool; v->visitor.type_str = qmp_output_type_str; -- cgit v1.2.1