mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
116 lines
2.7 KiB
C++
116 lines
2.7 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsProperties.h"
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#include "nsString.h"
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#include "nsCRT.h"
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////////////////////////////////////////////////////////////////////////////////
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NS_IMPL_AGGREGATED(nsProperties)
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NS_INTERFACE_MAP_BEGIN_AGGREGATED(nsProperties)
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NS_INTERFACE_MAP_ENTRY(nsIProperties)
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NS_INTERFACE_MAP_END
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NS_IMETHODIMP
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nsProperties::Get(const char* prop, const nsIID & uuid, void* *result)
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{
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NS_ENSURE_ARG(prop);
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nsCOMPtr<nsISupports> value;
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if (!nsProperties_HashBase::Get(prop, getter_AddRefs(value))) {
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return NS_ERROR_FAILURE;
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}
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return (value) ? value->QueryInterface(uuid, result) : NS_ERROR_NO_INTERFACE;
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}
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NS_IMETHODIMP
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nsProperties::Set(const char* prop, nsISupports* value)
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{
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NS_ENSURE_ARG(prop);
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Put(prop, value);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsProperties::Undefine(const char* prop)
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{
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NS_ENSURE_ARG(prop);
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nsCOMPtr<nsISupports> value;
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if (!nsProperties_HashBase::Get(prop, getter_AddRefs(value)))
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return NS_ERROR_FAILURE;
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Remove(prop);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsProperties::Has(const char* prop, bool *result)
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{
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NS_ENSURE_ARG(prop);
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nsCOMPtr<nsISupports> value;
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*result = nsProperties_HashBase::Get(prop,
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getter_AddRefs(value));
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return NS_OK;
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}
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struct GetKeysEnumData
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{
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char **keys;
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PRUint32 next;
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nsresult res;
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};
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PLDHashOperator
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GetKeysEnumerate(const char *key, nsISupports* data,
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void *arg)
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{
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GetKeysEnumData *gkedp = (GetKeysEnumData *)arg;
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gkedp->keys[gkedp->next] = nsCRT::strdup(key);
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if (!gkedp->keys[gkedp->next]) {
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gkedp->res = NS_ERROR_OUT_OF_MEMORY;
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return PL_DHASH_STOP;
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}
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gkedp->next++;
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return PL_DHASH_NEXT;
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}
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NS_IMETHODIMP
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nsProperties::GetKeys(PRUint32 *count, char ***keys)
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{
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NS_ENSURE_ARG(count);
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NS_ENSURE_ARG(keys);
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PRUint32 n = Count();
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char ** k = (char **) nsMemory::Alloc(n * sizeof(char *));
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NS_ENSURE_TRUE(k, NS_ERROR_OUT_OF_MEMORY);
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GetKeysEnumData gked;
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gked.keys = k;
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gked.next = 0;
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gked.res = NS_OK;
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EnumerateRead(GetKeysEnumerate, &gked);
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nsresult rv = gked.res;
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if (NS_FAILED(rv)) {
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// Free 'em all
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for (PRUint32 i = 0; i < gked.next; i++)
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nsMemory::Free(k[i]);
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nsMemory::Free(k);
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return rv;
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}
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*count = n;
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*keys = k;
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return NS_OK;
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}
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////////////////////////////////////////////////////////////////////////////////
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