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 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) (limited to 'qapi/qapi-visit-core.c') 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; +} -- cgit v1.2.3