159 lines
4.2 KiB
C
159 lines
4.2 KiB
C
/* $NetBSD: prop_ingest.c,v 1.3 2008/04/28 20:22:53 martin Exp $ */
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/*-
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* Copyright (c) 2006 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Jason R. Thorpe.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <prop/proplib.h>
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#include "prop_object_impl.h"
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struct _prop_ingest_context {
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prop_ingest_error_t pic_error;
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prop_type_t pic_type;
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const char * pic_key;
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void * pic_private;
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};
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/*
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* prop_ingest_context_alloc --
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* Allocate and initialize an ingest context.
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*/
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prop_ingest_context_t
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prop_ingest_context_alloc(void *private)
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{
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prop_ingest_context_t ctx;
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ctx = _PROP_MALLOC(sizeof(*ctx), M_TEMP);
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if (ctx != NULL) {
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ctx->pic_error = PROP_INGEST_ERROR_NO_ERROR;
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ctx->pic_type = PROP_TYPE_UNKNOWN;
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ctx->pic_key = NULL;
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ctx->pic_private = private;
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}
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return (ctx);
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}
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/*
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* prop_ingest_context_free --
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* Free an ingest context.
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*/
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void
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prop_ingest_context_free(prop_ingest_context_t ctx)
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{
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_PROP_FREE(ctx, M_TEMP);
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}
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/*
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* prop_ingest_context_error --
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* Get the error code from an ingest context.
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*/
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prop_ingest_error_t
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prop_ingest_context_error(prop_ingest_context_t ctx)
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{
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return (ctx->pic_error);
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}
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/*
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* prop_ingest_context_type --
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* Return the type of last object visisted by an ingest context.
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*/
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prop_type_t
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prop_ingest_context_type(prop_ingest_context_t ctx)
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{
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return (ctx->pic_type);
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}
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/*
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* prop_ingest_context_key --
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* Return the last key looked up by an ingest context.
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*/
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const char *
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prop_ingest_context_key(prop_ingest_context_t ctx)
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{
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return (ctx->pic_key);
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}
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/*
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* prop_ingest_context_private --
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* Return the caller-private data associated with an ingest context.
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*/
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void *
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prop_ingest_context_private(prop_ingest_context_t ctx)
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{
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return (ctx->pic_private);
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}
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/*
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* prop_dictionary_ingest --
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* Ingest a dictionary using handlers for each object to translate
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* into an arbitrary binary format.
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*/
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bool
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prop_dictionary_ingest(prop_dictionary_t dict,
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const prop_ingest_table_entry rules[],
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prop_ingest_context_t ctx)
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{
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const prop_ingest_table_entry *pite;
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prop_object_t obj;
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ctx->pic_error = PROP_INGEST_ERROR_NO_ERROR;
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for (pite = rules; pite->pite_key != NULL; pite++) {
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ctx->pic_key = pite->pite_key;
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obj = prop_dictionary_get(dict, pite->pite_key);
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ctx->pic_type = prop_object_type(obj);
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if (obj == NULL) {
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if (pite->pite_flags & PROP_INGEST_FLAG_OPTIONAL) {
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if ((*pite->pite_handler)(ctx, NULL) == false) {
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ctx->pic_error =
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PROP_INGEST_ERROR_HANDLER_FAILED;
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return (false);
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}
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continue;
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}
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ctx->pic_error = PROP_INGEST_ERROR_NO_KEY;
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return (false);
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}
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if (ctx->pic_type != pite->pite_type &&
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pite->pite_type != PROP_TYPE_UNKNOWN) {
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ctx->pic_error = PROP_INGEST_ERROR_WRONG_TYPE;
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return (false);
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}
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if ((*pite->pite_handler)(ctx, obj) == false) {
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ctx->pic_error = PROP_INGEST_ERROR_HANDLER_FAILED;
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return (false);
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}
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}
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return (true);
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}
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