gecko-dev/uriloader/exthandler/nsMIMEInfoImpl.cpp

128 строки
3.6 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s): Judson Valeski
*/
#include "nsMIMEInfoImpl.h"
#include "nsXPIDLString.h"
// nsISupports methods
NS_IMPL_THREADSAFE_ISUPPORTS1(nsMIMEInfoImpl, nsIMIMEInfo);
// nsMIMEInfoImpl methods
nsMIMEInfoImpl::nsMIMEInfoImpl(const char *aMIMEType) {
NS_INIT_REFCNT();
mMIMEType = getter_AddRefs(NS_NewAtom(aMIMEType));
}
PRUint32
nsMIMEInfoImpl::GetExtCount() {
return mExtensions.Count();
}
NS_IMETHODIMP
nsMIMEInfoImpl::GetFileExtensions(PRInt32 *elementCount, char ***extensions) {
*elementCount = mExtensions.Count();
if (*elementCount < 1) return NS_OK;;
char **_retExts = (char**)nsAllocator::Alloc((*elementCount)*2*sizeof(char*));
if (!_retExts) return NS_ERROR_OUT_OF_MEMORY;
for (PRUint8 i=0; i < *elementCount; i++) {
nsString* ext = (nsString*)mExtensions.CStringAt(i);
_retExts[i] = ext->ToNewCString();
if (!_retExts[i]) return NS_ERROR_OUT_OF_MEMORY;
}
*extensions = _retExts;
return NS_OK;
}
NS_IMETHODIMP
nsMIMEInfoImpl::ExtensionExists(const char *aExtension, PRBool *_retval) {
NS_ASSERTION(aExtension, "no extension");
PRBool found = PR_FALSE;
PRUint32 extCount = mExtensions.Count();
if (extCount < 1) return NS_ERROR_NOT_INITIALIZED;
if (!aExtension) return NS_ERROR_NULL_POINTER;
for (PRUint8 i=0; i < extCount; i++) {
nsString* ext = (nsString*)mExtensions.CStringAt(i);
if (ext->Equals(aExtension)) {
found = PR_TRUE;
break;
}
}
*_retval = found;
return NS_OK;
}
NS_IMETHODIMP
nsMIMEInfoImpl::FirstExtension(char **_retval) {
PRUint32 extCount = mExtensions.Count();
if (extCount < 1) return NS_ERROR_NOT_INITIALIZED;
*_retval = (mExtensions.CStringAt(0))->ToNewCString();
if (!*_retval) return NS_ERROR_OUT_OF_MEMORY;
return NS_OK;
}
NS_IMETHODIMP
nsMIMEInfoImpl::GetMIMEType(char * *aMIMEType) {
if (!aMIMEType) return NS_ERROR_NULL_POINTER;
nsAutoString strMIMEType;
mMIMEType->ToString(strMIMEType);
*aMIMEType = strMIMEType.ToNewCString();
if (!*aMIMEType) return NS_ERROR_OUT_OF_MEMORY;
return NS_OK;
}
NS_IMETHODIMP
nsMIMEInfoImpl::GetDescription(PRUnichar * *aDescription) {
if (!aDescription) return NS_ERROR_NULL_POINTER;
*aDescription = mDescription.ToNewUnicode();
if (!*aDescription) return NS_ERROR_OUT_OF_MEMORY;
return NS_OK;
}
NS_IMETHODIMP
nsMIMEInfoImpl::GetDataURI(nsIURI * *aDataURI) {
return mURI->Clone(aDataURI);
}
NS_IMETHODIMP
nsMIMEInfoImpl::Equals(nsIMIMEInfo *aMIMEInfo, PRBool *_retval) {
if (!aMIMEInfo) return NS_ERROR_NULL_POINTER;
nsXPIDLCString type;
nsresult rv = aMIMEInfo->GetMIMEType(getter_Copies(type));
if (NS_FAILED(rv)) return rv;
nsAutoString type1;
mMIMEType->ToString(type1);
*_retval = type1.Equals(type);
return NS_OK;
}