зеркало из https://github.com/mozilla/gecko-dev.git
1332 строки
36 KiB
C++
1332 строки
36 KiB
C++
/* -*- Mode: C++; tab-width: 4; 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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/*
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Implementation for a file system RDF data store.
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*/
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#include "nsFileSystemDataSource.h"
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#include <ctype.h> // for toupper()
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#include <stdio.h>
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#include "nsArrayEnumerator.h"
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#include "nsCOMArray.h"
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#include "nsISupportsArray.h"
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#include "nsIRDFDataSource.h"
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#include "nsIRDFObserver.h"
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#include "nsIServiceManager.h"
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#include "nsXPIDLString.h"
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#include "nsRDFCID.h"
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#include "rdfutil.h"
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#include "rdf.h"
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#include "nsEnumeratorUtils.h"
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#include "nsIURL.h"
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#include "nsIFileURL.h"
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#include "nsNetUtil.h"
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#include "nsIInputStream.h"
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#include "nsIChannel.h"
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#include "nsIFile.h"
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#include "nsEscape.h"
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#include "nsCRTGlue.h"
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#include "nsAutoPtr.h"
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#include "prtime.h"
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#ifdef XP_WIN
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#include "windef.h"
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#include "winbase.h"
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#include "nsILineInputStream.h"
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#include "nsDirectoryServiceDefs.h"
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#endif
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#define NS_MOZICON_SCHEME "moz-icon:"
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static const char kFileProtocol[] = "file://";
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bool
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FileSystemDataSource::isFileURI(nsIRDFResource *r)
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{
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bool isFileURIFlag = false;
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const char *uri = nullptr;
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r->GetValueConst(&uri);
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if ((uri) && (!strncmp(uri, kFileProtocol, sizeof(kFileProtocol) - 1)))
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{
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// XXX HACK HACK HACK
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if (!strchr(uri, '#'))
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{
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isFileURIFlag = true;
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}
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}
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return(isFileURIFlag);
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}
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bool
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FileSystemDataSource::isDirURI(nsIRDFResource* source)
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{
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nsresult rv;
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const char *uri = nullptr;
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rv = source->GetValueConst(&uri);
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if (NS_FAILED(rv)) return(false);
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nsCOMPtr<nsIFile> aDir;
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rv = NS_GetFileFromURLSpec(nsDependentCString(uri), getter_AddRefs(aDir));
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if (NS_FAILED(rv)) return(false);
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bool isDirFlag = false;
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rv = aDir->IsDirectory(&isDirFlag);
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if (NS_FAILED(rv)) return(false);
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return(isDirFlag);
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}
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nsresult
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FileSystemDataSource::Init()
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{
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nsresult rv;
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mRDFService = do_GetService("@mozilla.org/rdf/rdf-service;1");
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NS_ENSURE_TRUE(mRDFService, NS_ERROR_FAILURE);
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rv = mRDFService->GetResource(NS_LITERAL_CSTRING("NC:FilesRoot"),
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getter_AddRefs(mNC_FileSystemRoot));
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nsresult tmp = mRDFService->GetResource(NS_LITERAL_CSTRING(NC_NAMESPACE_URI "child"),
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getter_AddRefs(mNC_Child));
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if (NS_FAILED(tmp)) {
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rv = tmp;
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}
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tmp = mRDFService->GetResource(NS_LITERAL_CSTRING(NC_NAMESPACE_URI "Name"),
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getter_AddRefs(mNC_Name));
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if (NS_FAILED(tmp)) {
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rv = tmp;
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}
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tmp = mRDFService->GetResource(NS_LITERAL_CSTRING(NC_NAMESPACE_URI "URL"),
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getter_AddRefs(mNC_URL));
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if (NS_FAILED(tmp)) {
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rv = tmp;
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}
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tmp = mRDFService->GetResource(NS_LITERAL_CSTRING(NC_NAMESPACE_URI "Icon"),
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getter_AddRefs(mNC_Icon));
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if (NS_FAILED(tmp)) {
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rv = tmp;
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}
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tmp = mRDFService->GetResource(NS_LITERAL_CSTRING(NC_NAMESPACE_URI "Content-Length"),
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getter_AddRefs(mNC_Length));
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if (NS_FAILED(tmp)) {
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rv = tmp;
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}
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tmp = mRDFService->GetResource(NS_LITERAL_CSTRING(NC_NAMESPACE_URI "IsDirectory"),
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getter_AddRefs(mNC_IsDirectory));
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if (NS_FAILED(tmp)) {
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rv = tmp;
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}
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tmp = mRDFService->GetResource(NS_LITERAL_CSTRING(WEB_NAMESPACE_URI "LastModifiedDate"),
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getter_AddRefs(mWEB_LastMod));
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if (NS_FAILED(tmp)) {
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rv = tmp;
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}
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tmp = mRDFService->GetResource(NS_LITERAL_CSTRING(NC_NAMESPACE_URI "FileSystemObject"),
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getter_AddRefs(mNC_FileSystemObject));
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if (NS_FAILED(tmp)) {
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rv = tmp;
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}
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tmp = mRDFService->GetResource(NS_LITERAL_CSTRING(NC_NAMESPACE_URI "pulse"),
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getter_AddRefs(mNC_pulse));
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if (NS_FAILED(tmp)) {
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rv = tmp;
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}
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tmp = mRDFService->GetResource(NS_LITERAL_CSTRING(RDF_NAMESPACE_URI "instanceOf"),
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getter_AddRefs(mRDF_InstanceOf));
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if (NS_FAILED(tmp)) {
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rv = tmp;
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}
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tmp = mRDFService->GetResource(NS_LITERAL_CSTRING(RDF_NAMESPACE_URI "type"),
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getter_AddRefs(mRDF_type));
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static const char16_t kTrue[] = {'t','r','u','e','\0'};
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static const char16_t kFalse[] = {'f','a','l','s','e','\0'};
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tmp = mRDFService->GetLiteral(kTrue, getter_AddRefs(mLiteralTrue));
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if (NS_FAILED(tmp)) {
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rv = tmp;
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}
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tmp = mRDFService->GetLiteral(kFalse, getter_AddRefs(mLiteralFalse));
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if (NS_FAILED(tmp)) {
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rv = tmp;
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}
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NS_ENSURE_SUCCESS(rv, NS_ERROR_FAILURE);
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#ifdef USE_NC_EXTENSION
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rv = mRDFService->GetResource(NS_LITERAL_CSTRING(NC_NAMESPACE_URI "extension"),
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getter_AddRefs(mNC_extension));
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NS_ENSURE_SUCCESS(rv, rv);
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#endif
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#ifdef XP_WIN
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rv = mRDFService->GetResource(NS_LITERAL_CSTRING(NC_NAMESPACE_URI "IEFavorite"),
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getter_AddRefs(mNC_IEFavoriteObject));
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tmp = mRDFService->GetResource(NS_LITERAL_CSTRING(NC_NAMESPACE_URI "IEFavoriteFolder"),
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getter_AddRefs(mNC_IEFavoriteFolder));
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if (NS_FAILED(tmp)) {
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rv = tmp;
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}
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NS_ENSURE_SUCCESS(rv, NS_ERROR_FAILURE);
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nsCOMPtr<nsIFile> file;
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NS_GetSpecialDirectory(NS_WIN_FAVORITES_DIR, getter_AddRefs(file));
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if (file)
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{
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nsCOMPtr<nsIURI> furi;
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NS_NewFileURI(getter_AddRefs(furi), file);
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NS_ENSURE_TRUE(furi, NS_ERROR_FAILURE);
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file->GetNativePath(ieFavoritesDir);
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}
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#endif
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return NS_OK;
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}
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//static
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nsresult
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FileSystemDataSource::Create(nsISupports* aOuter, const nsIID& aIID, void **aResult)
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{
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NS_ENSURE_NO_AGGREGATION(aOuter);
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nsRefPtr<FileSystemDataSource> self = new FileSystemDataSource();
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if (!self)
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return NS_ERROR_OUT_OF_MEMORY;
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nsresult rv = self->Init();
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NS_ENSURE_SUCCESS(rv, rv);
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return self->QueryInterface(aIID, aResult);
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}
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NS_IMPL_ISUPPORTS(FileSystemDataSource, nsIRDFDataSource)
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NS_IMETHODIMP
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FileSystemDataSource::GetURI(char **uri)
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{
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NS_PRECONDITION(uri != nullptr, "null ptr");
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if (! uri)
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return NS_ERROR_NULL_POINTER;
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if ((*uri = NS_strdup("rdf:files")) == nullptr)
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return NS_ERROR_OUT_OF_MEMORY;
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return NS_OK;
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}
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NS_IMETHODIMP
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FileSystemDataSource::GetSource(nsIRDFResource* property,
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nsIRDFNode* target,
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bool tv,
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nsIRDFResource** source /* out */)
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{
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NS_PRECONDITION(property != nullptr, "null ptr");
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if (! property)
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return NS_ERROR_NULL_POINTER;
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NS_PRECONDITION(target != nullptr, "null ptr");
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if (! target)
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return NS_ERROR_NULL_POINTER;
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NS_PRECONDITION(source != nullptr, "null ptr");
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if (! source)
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return NS_ERROR_NULL_POINTER;
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*source = nullptr;
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return NS_RDF_NO_VALUE;
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}
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NS_IMETHODIMP
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FileSystemDataSource::GetSources(nsIRDFResource *property,
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nsIRDFNode *target,
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bool tv,
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nsISimpleEnumerator **sources /* out */)
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{
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// NS_NOTYETIMPLEMENTED("write me");
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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FileSystemDataSource::GetTarget(nsIRDFResource *source,
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nsIRDFResource *property,
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bool tv,
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nsIRDFNode **target /* out */)
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{
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NS_PRECONDITION(source != nullptr, "null ptr");
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if (! source)
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return NS_ERROR_NULL_POINTER;
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NS_PRECONDITION(property != nullptr, "null ptr");
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if (! property)
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return NS_ERROR_NULL_POINTER;
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NS_PRECONDITION(target != nullptr, "null ptr");
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if (! target)
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return NS_ERROR_NULL_POINTER;
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*target = nullptr;
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nsresult rv = NS_RDF_NO_VALUE;
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// we only have positive assertions in the file system data source.
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if (! tv)
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return NS_RDF_NO_VALUE;
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if (source == mNC_FileSystemRoot)
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{
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if (property == mNC_pulse)
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{
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nsIRDFLiteral *pulseLiteral;
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mRDFService->GetLiteral(MOZ_UTF16("12"), &pulseLiteral);
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*target = pulseLiteral;
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return NS_OK;
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}
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}
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else if (isFileURI(source))
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{
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if (property == mNC_Name)
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{
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nsCOMPtr<nsIRDFLiteral> name;
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rv = GetName(source, getter_AddRefs(name));
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if (NS_FAILED(rv)) return(rv);
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if (!name) rv = NS_RDF_NO_VALUE;
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if (rv == NS_RDF_NO_VALUE) return(rv);
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return name->QueryInterface(NS_GET_IID(nsIRDFNode), (void**) target);
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}
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else if (property == mNC_URL)
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{
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nsCOMPtr<nsIRDFLiteral> url;
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rv = GetURL(source, nullptr, getter_AddRefs(url));
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if (NS_FAILED(rv)) return(rv);
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if (!url) rv = NS_RDF_NO_VALUE;
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if (rv == NS_RDF_NO_VALUE) return(rv);
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return url->QueryInterface(NS_GET_IID(nsIRDFNode), (void**) target);
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}
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else if (property == mNC_Icon)
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{
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nsCOMPtr<nsIRDFLiteral> url;
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bool isFavorite = false;
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rv = GetURL(source, &isFavorite, getter_AddRefs(url));
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if (NS_FAILED(rv)) return(rv);
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if (isFavorite || !url) rv = NS_RDF_NO_VALUE;
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if (rv == NS_RDF_NO_VALUE) return(rv);
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const char16_t *uni = nullptr;
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url->GetValueConst(&uni);
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if (!uni) return(NS_RDF_NO_VALUE);
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nsAutoString urlStr;
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urlStr.Assign(NS_LITERAL_STRING(NS_MOZICON_SCHEME).get());
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urlStr.Append(uni);
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rv = mRDFService->GetLiteral(urlStr.get(), getter_AddRefs(url));
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if (NS_FAILED(rv) || !url) return(NS_RDF_NO_VALUE);
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return url->QueryInterface(NS_GET_IID(nsIRDFNode), (void**) target);
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}
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else if (property == mNC_Length)
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{
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nsCOMPtr<nsIRDFInt> fileSize;
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rv = GetFileSize(source, getter_AddRefs(fileSize));
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if (NS_FAILED(rv)) return(rv);
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if (!fileSize) rv = NS_RDF_NO_VALUE;
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if (rv == NS_RDF_NO_VALUE) return(rv);
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return fileSize->QueryInterface(NS_GET_IID(nsIRDFNode), (void**) target);
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}
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else if (property == mNC_IsDirectory)
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{
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*target = (isDirURI(source)) ? mLiteralTrue : mLiteralFalse;
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NS_ADDREF(*target);
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return NS_OK;
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}
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else if (property == mWEB_LastMod)
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{
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nsCOMPtr<nsIRDFDate> lastMod;
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rv = GetLastMod(source, getter_AddRefs(lastMod));
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if (NS_FAILED(rv)) return(rv);
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if (!lastMod) rv = NS_RDF_NO_VALUE;
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if (rv == NS_RDF_NO_VALUE) return(rv);
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return lastMod->QueryInterface(NS_GET_IID(nsIRDFNode), (void**) target);
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}
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else if (property == mRDF_type)
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{
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nsCString type;
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rv = mNC_FileSystemObject->GetValueUTF8(type);
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if (NS_FAILED(rv)) return(rv);
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#ifdef XP_WIN
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// under Windows, if its an IE favorite, return that type
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if (!ieFavoritesDir.IsEmpty())
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{
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nsCString uri;
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rv = source->GetValueUTF8(uri);
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if (NS_FAILED(rv)) return(rv);
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NS_ConvertUTF8toUTF16 theURI(uri);
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if (theURI.Find(ieFavoritesDir) == 0)
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{
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if (theURI[theURI.Length() - 1] == '/')
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{
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rv = mNC_IEFavoriteFolder->GetValueUTF8(type);
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}
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else
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{
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rv = mNC_IEFavoriteObject->GetValueUTF8(type);
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}
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if (NS_FAILED(rv)) return(rv);
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}
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}
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#endif
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NS_ConvertUTF8toUTF16 url(type);
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nsCOMPtr<nsIRDFLiteral> literal;
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mRDFService->GetLiteral(url.get(), getter_AddRefs(literal));
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rv = literal->QueryInterface(NS_GET_IID(nsIRDFNode), (void**) target);
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return(rv);
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}
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else if (property == mNC_pulse)
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{
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nsCOMPtr<nsIRDFLiteral> pulseLiteral;
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mRDFService->GetLiteral(MOZ_UTF16("12"), getter_AddRefs(pulseLiteral));
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rv = pulseLiteral->QueryInterface(NS_GET_IID(nsIRDFNode), (void**) target);
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return(rv);
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}
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else if (property == mNC_Child)
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{
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// Oh this is evil. Somebody kill me now.
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nsCOMPtr<nsISimpleEnumerator> children;
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rv = GetFolderList(source, false, true, getter_AddRefs(children));
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if (NS_FAILED(rv) || (rv == NS_RDF_NO_VALUE)) return(rv);
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bool hasMore;
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rv = children->HasMoreElements(&hasMore);
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if (NS_FAILED(rv)) return(rv);
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if (hasMore)
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{
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nsCOMPtr<nsISupports> isupports;
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rv = children->GetNext(getter_AddRefs(isupports));
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if (NS_FAILED(rv)) return(rv);
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return isupports->QueryInterface(NS_GET_IID(nsIRDFNode), (void**) target);
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}
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}
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#ifdef USE_NC_EXTENSION
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else if (property == mNC_extension)
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{
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nsCOMPtr<nsIRDFLiteral> extension;
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rv = GetExtension(source, getter_AddRefs(extension));
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if (!extension) rv = NS_RDF_NO_VALUE;
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if (rv == NS_RDF_NO_VALUE) return(rv);
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return extension->QueryInterface(NS_GET_IID(nsIRDFNode), (void**) target);
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}
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#endif
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}
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return(NS_RDF_NO_VALUE);
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}
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NS_IMETHODIMP
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FileSystemDataSource::GetTargets(nsIRDFResource *source,
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nsIRDFResource *property,
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bool tv,
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nsISimpleEnumerator **targets /* out */)
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{
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NS_PRECONDITION(source != nullptr, "null ptr");
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if (! source)
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return NS_ERROR_NULL_POINTER;
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NS_PRECONDITION(property != nullptr, "null ptr");
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if (! property)
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return NS_ERROR_NULL_POINTER;
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NS_PRECONDITION(targets != nullptr, "null ptr");
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if (! targets)
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return NS_ERROR_NULL_POINTER;
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*targets = nullptr;
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// we only have positive assertions in the file system data source.
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if (! tv)
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return NS_RDF_NO_VALUE;
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nsresult rv;
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if (source == mNC_FileSystemRoot)
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{
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if (property == mNC_Child)
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{
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return GetVolumeList(targets);
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}
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else if (property == mNC_pulse)
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{
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nsCOMPtr<nsIRDFLiteral> pulseLiteral;
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mRDFService->GetLiteral(MOZ_UTF16("12"),
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getter_AddRefs(pulseLiteral));
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return NS_NewSingletonEnumerator(targets, pulseLiteral);
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}
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}
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else if (isFileURI(source))
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{
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if (property == mNC_Child)
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{
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return GetFolderList(source, false, false, targets);
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}
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else if (property == mNC_Name)
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{
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nsCOMPtr<nsIRDFLiteral> name;
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rv = GetName(source, getter_AddRefs(name));
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if (NS_FAILED(rv)) return rv;
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return NS_NewSingletonEnumerator(targets, name);
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}
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else if (property == mNC_URL)
|
|
{
|
|
nsCOMPtr<nsIRDFLiteral> url;
|
|
rv = GetURL(source, nullptr, getter_AddRefs(url));
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
return NS_NewSingletonEnumerator(targets, url);
|
|
}
|
|
else if (property == mRDF_type)
|
|
{
|
|
nsCString uri;
|
|
rv = mNC_FileSystemObject->GetValueUTF8(uri);
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
NS_ConvertUTF8toUTF16 url(uri);
|
|
|
|
nsCOMPtr<nsIRDFLiteral> literal;
|
|
rv = mRDFService->GetLiteral(url.get(), getter_AddRefs(literal));
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
return NS_NewSingletonEnumerator(targets, literal);
|
|
}
|
|
else if (property == mNC_pulse)
|
|
{
|
|
nsCOMPtr<nsIRDFLiteral> pulseLiteral;
|
|
rv = mRDFService->GetLiteral(MOZ_UTF16("12"),
|
|
getter_AddRefs(pulseLiteral));
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
return NS_NewSingletonEnumerator(targets, pulseLiteral);
|
|
}
|
|
}
|
|
|
|
return NS_NewEmptyEnumerator(targets);
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
FileSystemDataSource::Assert(nsIRDFResource *source,
|
|
nsIRDFResource *property,
|
|
nsIRDFNode *target,
|
|
bool tv)
|
|
{
|
|
return NS_RDF_ASSERTION_REJECTED;
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
FileSystemDataSource::Unassert(nsIRDFResource *source,
|
|
nsIRDFResource *property,
|
|
nsIRDFNode *target)
|
|
{
|
|
return NS_RDF_ASSERTION_REJECTED;
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
FileSystemDataSource::Change(nsIRDFResource* aSource,
|
|
nsIRDFResource* aProperty,
|
|
nsIRDFNode* aOldTarget,
|
|
nsIRDFNode* aNewTarget)
|
|
{
|
|
return NS_RDF_ASSERTION_REJECTED;
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
FileSystemDataSource::Move(nsIRDFResource* aOldSource,
|
|
nsIRDFResource* aNewSource,
|
|
nsIRDFResource* aProperty,
|
|
nsIRDFNode* aTarget)
|
|
{
|
|
return NS_RDF_ASSERTION_REJECTED;
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
FileSystemDataSource::HasAssertion(nsIRDFResource *source,
|
|
nsIRDFResource *property,
|
|
nsIRDFNode *target,
|
|
bool tv,
|
|
bool *hasAssertion /* out */)
|
|
{
|
|
NS_PRECONDITION(source != nullptr, "null ptr");
|
|
if (! source)
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
NS_PRECONDITION(property != nullptr, "null ptr");
|
|
if (! property)
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
NS_PRECONDITION(target != nullptr, "null ptr");
|
|
if (! target)
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
NS_PRECONDITION(hasAssertion != nullptr, "null ptr");
|
|
if (! hasAssertion)
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
// we only have positive assertions in the file system data source.
|
|
*hasAssertion = false;
|
|
|
|
if (! tv) {
|
|
return NS_OK;
|
|
}
|
|
|
|
if ((source == mNC_FileSystemRoot) || isFileURI(source))
|
|
{
|
|
if (property == mRDF_type)
|
|
{
|
|
nsCOMPtr<nsIRDFResource> resource( do_QueryInterface(target) );
|
|
if (resource.get() == mRDF_type)
|
|
{
|
|
*hasAssertion = true;
|
|
}
|
|
}
|
|
#ifdef USE_NC_EXTENSION
|
|
else if (property == mNC_extension)
|
|
{
|
|
// Cheat just a little here by making dirs always match
|
|
if (isDirURI(source))
|
|
{
|
|
*hasAssertion = true;
|
|
}
|
|
else
|
|
{
|
|
nsCOMPtr<nsIRDFLiteral> extension;
|
|
GetExtension(source, getter_AddRefs(extension));
|
|
if (extension.get() == target)
|
|
{
|
|
*hasAssertion = true;
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
else if (property == mNC_IsDirectory)
|
|
{
|
|
bool isDir = isDirURI(source);
|
|
bool isEqual = false;
|
|
target->EqualsNode(mLiteralTrue, &isEqual);
|
|
if (isEqual)
|
|
{
|
|
*hasAssertion = isDir;
|
|
}
|
|
else
|
|
{
|
|
target->EqualsNode(mLiteralFalse, &isEqual);
|
|
if (isEqual)
|
|
*hasAssertion = !isDir;
|
|
}
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
FileSystemDataSource::HasArcIn(nsIRDFNode *aNode, nsIRDFResource *aArc, bool *result)
|
|
{
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
FileSystemDataSource::HasArcOut(nsIRDFResource *aSource, nsIRDFResource *aArc, bool *result)
|
|
{
|
|
*result = false;
|
|
|
|
if (aSource == mNC_FileSystemRoot)
|
|
{
|
|
*result = (aArc == mNC_Child || aArc == mNC_pulse);
|
|
}
|
|
else if (isFileURI(aSource))
|
|
{
|
|
if (aArc == mNC_pulse)
|
|
{
|
|
*result = true;
|
|
}
|
|
else if (isDirURI(aSource))
|
|
{
|
|
#ifdef XP_WIN
|
|
*result = isValidFolder(aSource);
|
|
#else
|
|
*result = true;
|
|
#endif
|
|
}
|
|
else if (aArc == mNC_pulse || aArc == mNC_Name || aArc == mNC_Icon ||
|
|
aArc == mNC_URL || aArc == mNC_Length || aArc == mWEB_LastMod ||
|
|
aArc == mNC_FileSystemObject || aArc == mRDF_InstanceOf ||
|
|
aArc == mRDF_type)
|
|
{
|
|
*result = true;
|
|
}
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
FileSystemDataSource::ArcLabelsIn(nsIRDFNode *node,
|
|
nsISimpleEnumerator ** labels /* out */)
|
|
{
|
|
// NS_NOTYETIMPLEMENTED("write me");
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
FileSystemDataSource::ArcLabelsOut(nsIRDFResource *source,
|
|
nsISimpleEnumerator **labels /* out */)
|
|
{
|
|
NS_PRECONDITION(source != nullptr, "null ptr");
|
|
if (! source)
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
NS_PRECONDITION(labels != nullptr, "null ptr");
|
|
if (! labels)
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
if (source == mNC_FileSystemRoot)
|
|
{
|
|
nsCOMArray<nsIRDFResource> resources;
|
|
resources.SetCapacity(2);
|
|
|
|
resources.AppendObject(mNC_Child);
|
|
resources.AppendObject(mNC_pulse);
|
|
|
|
return NS_NewArrayEnumerator(labels, resources);
|
|
}
|
|
else if (isFileURI(source))
|
|
{
|
|
nsCOMArray<nsIRDFResource> resources;
|
|
resources.SetCapacity(2);
|
|
|
|
if (isDirURI(source))
|
|
{
|
|
#ifdef XP_WIN
|
|
if (isValidFolder(source))
|
|
{
|
|
resources.AppendObject(mNC_Child);
|
|
}
|
|
#else
|
|
resources.AppendObject(mNC_Child);
|
|
#endif
|
|
resources.AppendObject(mNC_pulse);
|
|
}
|
|
|
|
return NS_NewArrayEnumerator(labels, resources);
|
|
}
|
|
|
|
return NS_NewEmptyEnumerator(labels);
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
FileSystemDataSource::GetAllResources(nsISimpleEnumerator** aCursor)
|
|
{
|
|
NS_NOTYETIMPLEMENTED("sorry!");
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
FileSystemDataSource::AddObserver(nsIRDFObserver *n)
|
|
{
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
FileSystemDataSource::RemoveObserver(nsIRDFObserver *n)
|
|
{
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
FileSystemDataSource::GetAllCmds(nsIRDFResource* source,
|
|
nsISimpleEnumerator/*<nsIRDFResource>*/** commands)
|
|
{
|
|
return(NS_NewEmptyEnumerator(commands));
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
FileSystemDataSource::IsCommandEnabled(nsISupportsArray/*<nsIRDFResource>*/* aSources,
|
|
nsIRDFResource* aCommand,
|
|
nsISupportsArray/*<nsIRDFResource>*/* aArguments,
|
|
bool* aResult)
|
|
{
|
|
return(NS_ERROR_NOT_IMPLEMENTED);
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
FileSystemDataSource::DoCommand(nsISupportsArray/*<nsIRDFResource>*/* aSources,
|
|
nsIRDFResource* aCommand,
|
|
nsISupportsArray/*<nsIRDFResource>*/* aArguments)
|
|
{
|
|
return(NS_ERROR_NOT_IMPLEMENTED);
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
FileSystemDataSource::BeginUpdateBatch()
|
|
{
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
FileSystemDataSource::EndUpdateBatch()
|
|
{
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
|
|
nsresult
|
|
FileSystemDataSource::GetVolumeList(nsISimpleEnumerator** aResult)
|
|
{
|
|
nsCOMArray<nsIRDFResource> volumes;
|
|
nsCOMPtr<nsIRDFResource> vol;
|
|
|
|
#ifdef XP_WIN
|
|
|
|
int32_t driveType;
|
|
wchar_t drive[32];
|
|
int32_t volNum;
|
|
|
|
for (volNum = 0; volNum < 26; volNum++)
|
|
{
|
|
swprintf( drive, L"%c:\\", volNum + (char16_t)'A');
|
|
|
|
driveType = GetDriveTypeW(drive);
|
|
if (driveType != DRIVE_UNKNOWN && driveType != DRIVE_NO_ROOT_DIR)
|
|
{
|
|
nsAutoCString url;
|
|
url.AppendPrintf("file:///%c|/", volNum + 'A');
|
|
nsresult rv = mRDFService->GetResource(url, getter_AddRefs(vol));
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
volumes.AppendObject(vol);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#ifdef XP_UNIX
|
|
mRDFService->GetResource(NS_LITERAL_CSTRING("file:///"), getter_AddRefs(vol));
|
|
volumes.AppendObject(vol);
|
|
#endif
|
|
|
|
return NS_NewArrayEnumerator(aResult, volumes);
|
|
}
|
|
|
|
|
|
|
|
#ifdef XP_WIN
|
|
bool
|
|
FileSystemDataSource::isValidFolder(nsIRDFResource *source)
|
|
{
|
|
bool isValid = true;
|
|
if (ieFavoritesDir.IsEmpty()) return(isValid);
|
|
|
|
nsresult rv;
|
|
nsCString uri;
|
|
rv = source->GetValueUTF8(uri);
|
|
if (NS_FAILED(rv)) return(isValid);
|
|
|
|
NS_ConvertUTF8toUTF16 theURI(uri);
|
|
if (theURI.Find(ieFavoritesDir) == 0)
|
|
{
|
|
isValid = false;
|
|
|
|
nsCOMPtr<nsISimpleEnumerator> folderEnum;
|
|
if (NS_SUCCEEDED(rv = GetFolderList(source, true, false, getter_AddRefs(folderEnum))))
|
|
{
|
|
bool hasAny = false, hasMore;
|
|
while (NS_SUCCEEDED(folderEnum->HasMoreElements(&hasMore)) &&
|
|
hasMore)
|
|
{
|
|
hasAny = true;
|
|
|
|
nsCOMPtr<nsISupports> isupports;
|
|
if (NS_FAILED(rv = folderEnum->GetNext(getter_AddRefs(isupports))))
|
|
break;
|
|
nsCOMPtr<nsIRDFResource> res = do_QueryInterface(isupports);
|
|
if (!res) break;
|
|
|
|
nsCOMPtr<nsIRDFLiteral> nameLiteral;
|
|
if (NS_FAILED(rv = GetName(res, getter_AddRefs(nameLiteral))))
|
|
break;
|
|
|
|
const char16_t *uniName;
|
|
if (NS_FAILED(rv = nameLiteral->GetValueConst(&uniName)))
|
|
break;
|
|
nsAutoString name(uniName);
|
|
|
|
// An empty folder, or a folder that contains just "desktop.ini",
|
|
// is considered to be a IE Favorite; otherwise, its a folder
|
|
if (!name.LowerCaseEqualsLiteral("desktop.ini"))
|
|
{
|
|
isValid = true;
|
|
break;
|
|
}
|
|
}
|
|
if (!hasAny) isValid = true;
|
|
}
|
|
}
|
|
return(isValid);
|
|
}
|
|
#endif
|
|
|
|
|
|
|
|
nsresult
|
|
FileSystemDataSource::GetFolderList(nsIRDFResource *source, bool allowHidden,
|
|
bool onlyFirst, nsISimpleEnumerator** aResult)
|
|
{
|
|
if (!isDirURI(source))
|
|
return(NS_RDF_NO_VALUE);
|
|
|
|
nsresult rv;
|
|
|
|
const char *parentURI = nullptr;
|
|
rv = source->GetValueConst(&parentURI);
|
|
if (NS_FAILED(rv))
|
|
return(rv);
|
|
if (!parentURI)
|
|
return(NS_ERROR_UNEXPECTED);
|
|
|
|
nsCOMPtr<nsIURI> aIURI;
|
|
if (NS_FAILED(rv = NS_NewURI(getter_AddRefs(aIURI), nsDependentCString(parentURI))))
|
|
return(rv);
|
|
|
|
nsCOMPtr<nsIFileURL> fileURL = do_QueryInterface(aIURI);
|
|
if (!fileURL)
|
|
return NS_OK;
|
|
|
|
nsCOMPtr<nsIFile> aDir;
|
|
if (NS_FAILED(rv = fileURL->GetFile(getter_AddRefs(aDir))))
|
|
return(rv);
|
|
|
|
// ensure that we DO NOT resolve aliases
|
|
aDir->SetFollowLinks(false);
|
|
|
|
nsCOMPtr<nsISimpleEnumerator> dirContents;
|
|
if (NS_FAILED(rv = aDir->GetDirectoryEntries(getter_AddRefs(dirContents))))
|
|
return(rv);
|
|
if (!dirContents)
|
|
return(NS_ERROR_UNEXPECTED);
|
|
|
|
nsCOMArray<nsIRDFResource> resources;
|
|
bool hasMore;
|
|
while(NS_SUCCEEDED(rv = dirContents->HasMoreElements(&hasMore)) &&
|
|
hasMore)
|
|
{
|
|
nsCOMPtr<nsISupports> isupports;
|
|
if (NS_FAILED(rv = dirContents->GetNext(getter_AddRefs(isupports))))
|
|
break;
|
|
|
|
nsCOMPtr<nsIFile> aFile = do_QueryInterface(isupports);
|
|
if (!aFile)
|
|
break;
|
|
|
|
if (!allowHidden)
|
|
{
|
|
bool hiddenFlag = false;
|
|
if (NS_FAILED(rv = aFile->IsHidden(&hiddenFlag)))
|
|
break;
|
|
if (hiddenFlag)
|
|
continue;
|
|
}
|
|
|
|
nsAutoString leafStr;
|
|
if (NS_FAILED(rv = aFile->GetLeafName(leafStr)))
|
|
break;
|
|
if (leafStr.IsEmpty())
|
|
continue;
|
|
|
|
nsAutoCString fullURI;
|
|
fullURI.Assign(parentURI);
|
|
if (fullURI.Last() != '/')
|
|
{
|
|
fullURI.Append('/');
|
|
}
|
|
|
|
char *escLeafStr = nsEscape(NS_ConvertUTF16toUTF8(leafStr).get(), url_Path);
|
|
leafStr.Truncate();
|
|
|
|
if (!escLeafStr)
|
|
continue;
|
|
|
|
nsAutoCString leaf(escLeafStr);
|
|
free(escLeafStr);
|
|
escLeafStr = nullptr;
|
|
|
|
// using nsEscape() [above] doesn't escape slashes, so do that by hand
|
|
int32_t aOffset;
|
|
while ((aOffset = leaf.FindChar('/')) >= 0)
|
|
{
|
|
leaf.Cut((uint32_t)aOffset, 1);
|
|
leaf.Insert("%2F", (uint32_t)aOffset);
|
|
}
|
|
|
|
// append the encoded name
|
|
fullURI.Append(leaf);
|
|
|
|
bool dirFlag = false;
|
|
rv = aFile->IsDirectory(&dirFlag);
|
|
if (NS_SUCCEEDED(rv) && dirFlag)
|
|
{
|
|
fullURI.Append('/');
|
|
}
|
|
|
|
nsCOMPtr<nsIRDFResource> fileRes;
|
|
mRDFService->GetResource(fullURI, getter_AddRefs(fileRes));
|
|
|
|
resources.AppendObject(fileRes);
|
|
|
|
if (onlyFirst)
|
|
break;
|
|
}
|
|
|
|
return NS_NewArrayEnumerator(aResult, resources);
|
|
}
|
|
|
|
nsresult
|
|
FileSystemDataSource::GetLastMod(nsIRDFResource *source, nsIRDFDate **aResult)
|
|
{
|
|
*aResult = nullptr;
|
|
|
|
nsresult rv;
|
|
const char *uri = nullptr;
|
|
|
|
rv = source->GetValueConst(&uri);
|
|
if (NS_FAILED(rv)) return(rv);
|
|
if (!uri)
|
|
return(NS_ERROR_UNEXPECTED);
|
|
|
|
nsCOMPtr<nsIURI> aIURI;
|
|
if (NS_FAILED(rv = NS_NewURI(getter_AddRefs(aIURI), nsDependentCString(uri))))
|
|
return(rv);
|
|
|
|
nsCOMPtr<nsIFileURL> fileURL = do_QueryInterface(aIURI);
|
|
if (!fileURL)
|
|
return NS_OK;
|
|
|
|
nsCOMPtr<nsIFile> aFile;
|
|
if (NS_FAILED(rv = fileURL->GetFile(getter_AddRefs(aFile))))
|
|
return(rv);
|
|
if (!aFile)
|
|
return(NS_ERROR_UNEXPECTED);
|
|
|
|
// ensure that we DO NOT resolve aliases
|
|
aFile->SetFollowLinks(false);
|
|
|
|
PRTime lastModDate;
|
|
if (NS_FAILED(rv = aFile->GetLastModifiedTime(&lastModDate)))
|
|
return(rv);
|
|
|
|
// convert from milliseconds to seconds
|
|
mRDFService->GetDateLiteral(lastModDate * PR_MSEC_PER_SEC, aResult);
|
|
|
|
return(NS_OK);
|
|
}
|
|
|
|
|
|
|
|
nsresult
|
|
FileSystemDataSource::GetFileSize(nsIRDFResource *source, nsIRDFInt **aResult)
|
|
{
|
|
*aResult = nullptr;
|
|
|
|
nsresult rv;
|
|
const char *uri = nullptr;
|
|
|
|
rv = source->GetValueConst(&uri);
|
|
if (NS_FAILED(rv))
|
|
return(rv);
|
|
if (!uri)
|
|
return(NS_ERROR_UNEXPECTED);
|
|
|
|
nsCOMPtr<nsIURI> aIURI;
|
|
if (NS_FAILED(rv = NS_NewURI(getter_AddRefs(aIURI), nsDependentCString(uri))))
|
|
return(rv);
|
|
|
|
nsCOMPtr<nsIFileURL> fileURL = do_QueryInterface(aIURI);
|
|
if (!fileURL)
|
|
return NS_OK;
|
|
|
|
nsCOMPtr<nsIFile> aFile;
|
|
if (NS_FAILED(rv = fileURL->GetFile(getter_AddRefs(aFile))))
|
|
return(rv);
|
|
if (!aFile)
|
|
return(NS_ERROR_UNEXPECTED);
|
|
|
|
// ensure that we DO NOT resolve aliases
|
|
aFile->SetFollowLinks(false);
|
|
|
|
// don't do anything with directories
|
|
bool isDir = false;
|
|
if (NS_FAILED(rv = aFile->IsDirectory(&isDir)))
|
|
return(rv);
|
|
if (isDir)
|
|
return(NS_RDF_NO_VALUE);
|
|
|
|
int64_t aFileSize64;
|
|
if (NS_FAILED(rv = aFile->GetFileSize(&aFileSize64)))
|
|
return(rv);
|
|
|
|
// convert 64bits to 32bits
|
|
int32_t aFileSize32 = int32_t(aFileSize64);
|
|
mRDFService->GetIntLiteral(aFileSize32, aResult);
|
|
|
|
return(NS_OK);
|
|
}
|
|
|
|
|
|
|
|
nsresult
|
|
FileSystemDataSource::GetName(nsIRDFResource *source, nsIRDFLiteral **aResult)
|
|
{
|
|
nsresult rv;
|
|
const char *uri = nullptr;
|
|
|
|
rv = source->GetValueConst(&uri);
|
|
if (NS_FAILED(rv))
|
|
return(rv);
|
|
if (!uri)
|
|
return(NS_ERROR_UNEXPECTED);
|
|
|
|
nsCOMPtr<nsIURI> aIURI;
|
|
if (NS_FAILED(rv = NS_NewURI(getter_AddRefs(aIURI), nsDependentCString(uri))))
|
|
return(rv);
|
|
|
|
nsCOMPtr<nsIFileURL> fileURL = do_QueryInterface(aIURI);
|
|
if (!fileURL)
|
|
return NS_OK;
|
|
|
|
nsCOMPtr<nsIFile> aFile;
|
|
if (NS_FAILED(rv = fileURL->GetFile(getter_AddRefs(aFile))))
|
|
return(rv);
|
|
if (!aFile)
|
|
return(NS_ERROR_UNEXPECTED);
|
|
|
|
// ensure that we DO NOT resolve aliases
|
|
aFile->SetFollowLinks(false);
|
|
|
|
nsAutoString name;
|
|
if (NS_FAILED(rv = aFile->GetLeafName(name)))
|
|
return(rv);
|
|
if (name.IsEmpty())
|
|
return(NS_ERROR_UNEXPECTED);
|
|
|
|
#ifdef XP_WIN
|
|
// special hack for IE favorites under Windows; strip off the
|
|
// trailing ".url" or ".lnk" at the end of IE favorites names
|
|
int32_t nameLen = name.Length();
|
|
if ((strncmp(uri, ieFavoritesDir.get(), ieFavoritesDir.Length()) == 0) && (nameLen > 4))
|
|
{
|
|
nsAutoString extension;
|
|
name.Right(extension, 4);
|
|
if (extension.LowerCaseEqualsLiteral(".url") ||
|
|
extension.LowerCaseEqualsLiteral(".lnk"))
|
|
{
|
|
name.Truncate(nameLen - 4);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
mRDFService->GetLiteral(name.get(), aResult);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
|
|
#ifdef USE_NC_EXTENSION
|
|
nsresult
|
|
FileSystemDataSource::GetExtension(nsIRDFResource *source, nsIRDFLiteral **aResult)
|
|
{
|
|
nsCOMPtr<nsIRDFLiteral> name;
|
|
nsresult rv = GetName(source, getter_AddRefs(name));
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
const char16_t* unicodeLeafName;
|
|
rv = name->GetValueConst(&unicodeLeafName);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
nsAutoString filename(unicodeLeafName);
|
|
int32_t lastDot = filename.RFindChar('.');
|
|
if (lastDot == -1)
|
|
{
|
|
mRDFService->GetLiteral(EmptyString().get(), aResult);
|
|
}
|
|
else
|
|
{
|
|
nsAutoString extension;
|
|
filename.Right(extension, (filename.Length() - lastDot));
|
|
mRDFService->GetLiteral(extension.get(), aResult);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
#endif
|
|
|
|
#ifdef XP_WIN
|
|
nsresult
|
|
FileSystemDataSource::getIEFavoriteURL(nsIRDFResource *source, nsString aFileURL, nsIRDFLiteral **urlLiteral)
|
|
{
|
|
nsresult rv = NS_OK;
|
|
|
|
*urlLiteral = nullptr;
|
|
|
|
nsCOMPtr<nsIFile> f;
|
|
NS_GetFileFromURLSpec(NS_ConvertUTF16toUTF8(aFileURL), getter_AddRefs(f));
|
|
|
|
bool value;
|
|
|
|
if (NS_SUCCEEDED(f->IsDirectory(&value)) && value)
|
|
{
|
|
if (isValidFolder(source))
|
|
return(NS_RDF_NO_VALUE);
|
|
aFileURL.AppendLiteral("desktop.ini");
|
|
}
|
|
else if (aFileURL.Length() > 4)
|
|
{
|
|
nsAutoString extension;
|
|
|
|
aFileURL.Right(extension, 4);
|
|
if (!extension.LowerCaseEqualsLiteral(".url"))
|
|
{
|
|
return(NS_RDF_NO_VALUE);
|
|
}
|
|
}
|
|
|
|
nsCOMPtr<nsIInputStream> strm;
|
|
NS_NewLocalFileInputStream(getter_AddRefs(strm),f);
|
|
nsCOMPtr<nsILineInputStream> linereader = do_QueryInterface(strm, &rv);
|
|
|
|
nsAutoString line;
|
|
nsAutoCString cLine;
|
|
while(NS_SUCCEEDED(rv))
|
|
{
|
|
bool isEOF;
|
|
rv = linereader->ReadLine(cLine, &isEOF);
|
|
CopyASCIItoUTF16(cLine, line);
|
|
|
|
if (isEOF)
|
|
{
|
|
if (line.Find("URL=", true) == 0)
|
|
{
|
|
line.Cut(0, 4);
|
|
rv = mRDFService->GetLiteral(line.get(), urlLiteral);
|
|
break;
|
|
}
|
|
else if (line.Find("CDFURL=", true) == 0)
|
|
{
|
|
line.Cut(0, 7);
|
|
rv = mRDFService->GetLiteral(line.get(), urlLiteral);
|
|
break;
|
|
}
|
|
line.Truncate();
|
|
}
|
|
}
|
|
|
|
return(rv);
|
|
}
|
|
#endif
|
|
|
|
|
|
|
|
nsresult
|
|
FileSystemDataSource::GetURL(nsIRDFResource *source, bool *isFavorite, nsIRDFLiteral** aResult)
|
|
{
|
|
if (isFavorite) *isFavorite = false;
|
|
|
|
nsresult rv;
|
|
nsCString uri;
|
|
|
|
rv = source->GetValueUTF8(uri);
|
|
if (NS_FAILED(rv))
|
|
return(rv);
|
|
|
|
NS_ConvertUTF8toUTF16 url(uri);
|
|
|
|
#ifdef XP_WIN
|
|
// under Windows, if its an IE favorite, munge the URL
|
|
if (!ieFavoritesDir.IsEmpty())
|
|
{
|
|
if (url.Find(ieFavoritesDir) == 0)
|
|
{
|
|
if (isFavorite) *isFavorite = true;
|
|
rv = getIEFavoriteURL(source, url, aResult);
|
|
return(rv);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
// if we fall through to here, its not any type of bookmark
|
|
// stored in the platform native file system, so just set the URL
|
|
|
|
mRDFService->GetLiteral(url.get(), aResult);
|
|
|
|
return(NS_OK);
|
|
}
|