зеркало из https://github.com/mozilla/pjs.git
General clean-up. Use RDF containers instead of multi-attributes.
This commit is contained in:
waterson%netscape.com
Родитель
185c805d1c
Коммит
22455ed201
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@ -49,6 +49,7 @@ static const char kURINC_BookmarksRoot[] = "NC:BookmarksRoot"; // XXX?
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static const char kURINC_PersonalToolbarFolder[] = "NC:PersonalToolbarFolder"; // XXX?
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DEFINE_RDF_VOCAB(NC_NAMESPACE_URI, NC, child);
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DEFINE_RDF_VOCAB(NC_NAMESPACE_URI, NC, Bookmark);
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DEFINE_RDF_VOCAB(NC_NAMESPACE_URI, NC, BookmarkAddDate);
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DEFINE_RDF_VOCAB(NC_NAMESPACE_URI, NC, Description);
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DEFINE_RDF_VOCAB(NC_NAMESPACE_URI, NC, Folder);
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@ -59,6 +60,7 @@ DEFINE_RDF_VOCAB(WEB_NAMESPACE_URI, WEB, LastVisitDate);
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DEFINE_RDF_VOCAB(WEB_NAMESPACE_URI, WEB, LastModifiedDate);
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DEFINE_RDF_VOCAB(RDF_NAMESPACE_URI, RDF, instanceOf);
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DEFINE_RDF_VOCAB(RDF_NAMESPACE_URI, RDF, type);
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static const char kPersonalToolbar[] = "Personal Toolbar";
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@ -71,6 +73,8 @@ static const char kPersonalToolbar[] = "Personal Toolbar";
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*/
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class BookmarkParser {
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protected:
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static PRInt32 gRefCnt;
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static const char* kBRString;
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static const char* kCloseDLString;
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static const char* kDDString;
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@ -80,6 +84,16 @@ protected:
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static const char* kOpenTitleString;
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static const char* kSeparatorString;
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static nsIRDFService* gRDFService;
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static nsIRDFResource* kNC_Bookmark;
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static nsIRDFResource* kNC_BookmarkAddDate;
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static nsIRDFResource* kNC_Description;
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static nsIRDFResource* kNC_Folder;
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static nsIRDFResource* kNC_Name;
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static nsIRDFResource* kRDF_type;
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static nsIRDFResource* kWEB_LastModifiedDate;
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static nsIRDFResource* kWEB_LastVisitDate;
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enum BookmarkParserState {
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eBookmarkParserState_Initial,
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eBookmarkParserState_InTitle,
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@ -88,7 +102,6 @@ protected:
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eBookmarkParserState_InItemDescription
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};
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nsIRDFService* mRDFService;
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nsIRDFDataSource* mDataSource;
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nsVoidArray mStack;
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nsIRDFResource* mLastItem;
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@ -97,14 +110,14 @@ protected:
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nsAutoString mFolderDate;
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BookmarkParserState mState;
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void Tokenize(const char* buf, PRInt32 size);
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void NextToken(void);
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void DoStateTransition(void);
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void CreateBookmark(void);
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nsresult Tokenize(const char* buf, PRInt32 size);
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nsresult NextToken(void);
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nsresult DoStateTransition(void);
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nsresult CreateBookmark(void);
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nsresult AssertTime(nsIRDFResource* subject,
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const nsString& predicateURI,
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const nsString& time);
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nsresult AssertTime(nsIRDFResource* aSubject,
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nsIRDFResource* aPredicate,
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const nsString& aTime);
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public:
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BookmarkParser(void);
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@ -123,36 +136,71 @@ const char* BookmarkParser::kOpenH3String = "<H3";
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const char* BookmarkParser::kOpenTitleString = "<TITLE>";
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const char* BookmarkParser::kSeparatorString = "<HR>";
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PRInt32 BookmarkParser::gRefCnt;
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nsIRDFService* BookmarkParser::gRDFService;
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nsIRDFResource* BookmarkParser::kNC_Bookmark;
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nsIRDFResource* BookmarkParser::kNC_BookmarkAddDate;
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nsIRDFResource* BookmarkParser::kNC_Description;
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nsIRDFResource* BookmarkParser::kNC_Folder;
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nsIRDFResource* BookmarkParser::kNC_Name;
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nsIRDFResource* BookmarkParser::kRDF_type;
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nsIRDFResource* BookmarkParser::kWEB_LastModifiedDate;
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nsIRDFResource* BookmarkParser::kWEB_LastVisitDate;
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BookmarkParser::BookmarkParser(void)
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: mRDFService(nsnull), mDataSource(nsnull)
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: mDataSource(nsnull)
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{
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nsresult rv;
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rv = nsServiceManager::GetService(kRDFServiceCID,
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kIRDFServiceIID,
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(nsISupports**) &mRDFService);
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if (gRefCnt++ == 0) {
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nsresult rv;
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if (NS_FAILED(rv = nsServiceManager::GetService(kRDFServiceCID,
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kIRDFServiceIID,
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(nsISupports**) &gRDFService))) {
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NS_ERROR("unable to get RDF service");
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return;
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}
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PR_ASSERT(NS_SUCCEEDED(rv));
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gRDFService->GetResource(kURINC_Bookmark, &kNC_Bookmark);
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gRDFService->GetResource(kURINC_BookmarkAddDate, &kNC_BookmarkAddDate);
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gRDFService->GetResource(kURINC_Description, &kNC_Description);
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gRDFService->GetResource(kURINC_Folder, &kNC_Folder);
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gRDFService->GetResource(kURINC_Name, &kNC_Name);
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gRDFService->GetResource(kURIRDF_type, &kRDF_type);
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gRDFService->GetResource(kURIWEB_LastModifiedDate, &kWEB_LastModifiedDate);
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gRDFService->GetResource(kURIWEB_LastVisitDate, &kWEB_LastVisitDate);
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}
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}
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BookmarkParser::~BookmarkParser(void)
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{
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if (mRDFService)
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nsServiceManager::ReleaseService(kRDFServiceCID, mRDFService);
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if (--gRefCnt == 0) {
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if (gRDFService)
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nsServiceManager::ReleaseService(kRDFServiceCID, gRDFService);
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NS_IF_RELEASE(kNC_Bookmark);
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NS_IF_RELEASE(kNC_BookmarkAddDate);
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NS_IF_RELEASE(kNC_Description);
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NS_IF_RELEASE(kNC_Folder);
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NS_IF_RELEASE(kNC_Name);
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NS_IF_RELEASE(kRDF_type);
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NS_IF_RELEASE(kWEB_LastModifiedDate);
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NS_IF_RELEASE(kWEB_LastVisitDate);
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}
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}
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nsresult
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BookmarkParser::Parse(PRFileDesc* file, nsIRDFDataSource* dataSource)
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{
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NS_PRECONDITION(file && dataSource && mRDFService, "null ptr");
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NS_PRECONDITION(file != nsnull, "null ptr");
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if (! file)
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return NS_ERROR_NULL_POINTER;
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NS_PRECONDITION(dataSource != nsnull, "null ptr");
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if (! dataSource)
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return NS_ERROR_NULL_POINTER;
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if (! mRDFService)
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NS_PRECONDITION(gRDFService != nsnull, "not initialized");
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if (! gRDFService)
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return NS_ERROR_NOT_INITIALIZED;
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// Initialize the parser for a run...
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@ -165,42 +213,50 @@ BookmarkParser::Parse(PRFileDesc* file, nsIRDFDataSource* dataSource)
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char buf[1024];
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PRInt32 len;
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while ((len = PR_Read(file, buf, sizeof(buf))) > 0)
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Tokenize(buf, len);
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nsresult rv;
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while ((len = PR_Read(file, buf, sizeof(buf))) > 0) {
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if (NS_FAILED(rv = Tokenize(buf, len))) {
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NS_ERROR("error tokenizing");
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break;
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}
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}
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NS_IF_RELEASE(mLastItem);
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return NS_OK;
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return rv;
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}
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void
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nsresult
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BookmarkParser::Tokenize(const char* buf, PRInt32 size)
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{
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nsresult rv;
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for (PRInt32 i = 0; i < size; ++i) {
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char c = buf[i];
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if (c == '<') {
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if (mLine.Length() > 0) {
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NextToken();
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rv = NextToken();
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mLine.Truncate();
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}
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}
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mLine.Append(c);
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if (c == '>') {
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if (mLine.Length() > 0) {
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NextToken();
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rv = NextToken();
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mLine.Truncate();
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}
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}
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}
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return rv;
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}
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void
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nsresult
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BookmarkParser::NextToken(void)
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{
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nsresult rv;
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if (mLine[0] == '<') {
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DoStateTransition();
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return;
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return DoStateTransition();
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}
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// ok, we have a piece of content. can be the title, or a
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@ -222,20 +278,27 @@ BookmarkParser::NextToken(void)
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folderURI.Append(++mCounter, 10);
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}
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if (NS_FAILED(mRDFService->GetUnicodeResource(folderURI, &folder)))
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return;
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if (NS_FAILED(rv = gRDFService->GetUnicodeResource(folderURI, &folder))) {
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NS_ERROR("unable to get resource");
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return rv;
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}
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nsIRDFResource* parent = (nsIRDFResource*) mStack[mStack.Count() - 1];
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rdf_Assert(mDataSource, parent, kURINC_Folder, folder);
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rdf_ContainerAppendElement(mDataSource, parent, folder);
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}
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else {
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// it's the root
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if (NS_FAILED(mRDFService->GetResource(kURINC_BookmarksRoot, &folder)))
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return;
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if (NS_FAILED(rv = gRDFService->GetResource(kURINC_BookmarksRoot, &folder))) {
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NS_ERROR("unable to get resource");
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return rv;
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}
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}
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rdf_MakeSeq(mDataSource, folder);
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mDataSource->Assert(folder, kRDF_type, kNC_Folder, PR_TRUE);
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if (mFolderDate.Length()) {
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AssertTime(folder, kURINC_BookmarkAddDate, mFolderDate);
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AssertTime(folder, kNC_BookmarkAddDate, mFolderDate);
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mFolderDate.Truncate();
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}
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@ -245,25 +308,36 @@ BookmarkParser::NextToken(void)
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//NS_ADDREF(mLastItem);
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//NS_RELEASE(folder);
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if (mState != eBookmarkParserState_InTitle)
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rdf_Assert(mDataSource, mLastItem, kURINC_Name, mLine);
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if (mState != eBookmarkParserState_InTitle) {
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nsIRDFLiteral* literal;
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gRDFService->GetLiteral(mLine, &literal);
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mDataSource->Assert(mLastItem, kNC_Name, literal, PR_TRUE);
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NS_RELEASE(literal);
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}
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}
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else if (mState == eBookmarkParserState_InItemTitle) {
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PR_ASSERT(mLastItem);
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NS_ASSERTION(mLastItem != nsnull, "no last item!");
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if (! mLastItem)
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return;
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return NS_ERROR_UNEXPECTED;
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rdf_Assert(mDataSource, mLastItem, kURINC_Name, mLine);
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NS_IF_RELEASE(mLastItem);
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nsIRDFLiteral* literal;
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gRDFService->GetLiteral(mLine, &literal);
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mDataSource->Assert(mLastItem, kNC_Name, literal, PR_TRUE);
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NS_RELEASE(literal);
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NS_RELEASE(mLastItem);
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}
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else if (mState == eBookmarkParserState_InItemDescription) {
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rdf_Assert(mDataSource, mLastItem, kURINC_Description, mLine);
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nsIRDFLiteral* literal;
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gRDFService->GetLiteral(mLine, &literal);
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mDataSource->Assert(mLastItem, kNC_Description, literal, PR_TRUE);
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NS_RELEASE(literal);
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}
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return NS_OK;
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}
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void
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nsresult
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BookmarkParser::DoStateTransition(void)
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{
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if (mLine.Find(kOpenAnchorString) == 0) {
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@ -311,19 +385,25 @@ BookmarkParser::DoStateTransition(void)
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(mLine.Find(kBRString) == 0)) {
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// XXX in the original bmk2rdf.c, we only added the
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// description in the case that it wasn't set already...why?
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rdf_Assert(mDataSource, mLastItem, kURINC_Description, mLine);
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nsIRDFLiteral* literal;
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gRDFService->GetLiteral(mLine, &literal);
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mDataSource->Assert(mLastItem, kNC_Description, literal, PR_TRUE);
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NS_RELEASE(literal);
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}
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else {
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mState = eBookmarkParserState_Initial;
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}
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return NS_OK;
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}
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void
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nsresult
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BookmarkParser::CreateBookmark(void)
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{
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nsresult rv;
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enum {
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eBmkAttribute_URL = 0,
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eBmkAttribute_AddDate = 1,
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@ -350,45 +430,62 @@ BookmarkParser::CreateBookmark(void)
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}
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if (values[eBmkAttribute_URL].Length() == 0)
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return;
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return NS_OK;
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nsIRDFResource* bookmark;
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if (NS_FAILED(mRDFService->GetUnicodeResource(values[eBmkAttribute_URL], &bookmark)))
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return;
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if (NS_FAILED(rv = gRDFService->GetUnicodeResource(values[eBmkAttribute_URL], &bookmark)))
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return rv;
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mDataSource->Assert(bookmark, kRDF_type, kNC_Bookmark, PR_TRUE);
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NS_ASSERTION(mStack.Count() > 0, "no enclosing folder");
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if (! mStack.Count())
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return;
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return NS_ERROR_UNEXPECTED;
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nsIRDFResource* parent = (nsIRDFResource*) mStack[mStack.Count() - 1];
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NS_ASSERTION(parent != nsnull, "stack corruption");
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if (! parent)
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return;
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return NS_ERROR_UNEXPECTED;
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rdf_Assert(mDataSource, parent, kURINC_child, bookmark);
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rdf_ContainerAppendElement(mDataSource, parent, bookmark);
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if (values[eBmkAttribute_AddDate].Length() > 0)
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AssertTime(bookmark, kURINC_BookmarkAddDate, values[eBmkAttribute_AddDate]);
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AssertTime(bookmark, kNC_BookmarkAddDate, values[eBmkAttribute_AddDate]);
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if (values[eBmkAttribute_LastVisit].Length() > 0)
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AssertTime(bookmark, kURIWEB_LastVisitDate, values[eBmkAttribute_LastVisit]);
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AssertTime(bookmark, kWEB_LastVisitDate, values[eBmkAttribute_LastVisit]);
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if (values[eBmkAttribute_LastModified].Length() > 0)
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AssertTime(bookmark, kURIWEB_LastModifiedDate, values[eBmkAttribute_LastModified]);
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AssertTime(bookmark, kWEB_LastModifiedDate, values[eBmkAttribute_LastModified]);
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NS_IF_RELEASE(mLastItem);
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mLastItem = bookmark;
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// XXX Implied
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//NS_ADDREF(mLastItem);
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//NS_RELEASE(bookmark);
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return NS_OK;
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}
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nsresult
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BookmarkParser::AssertTime(nsIRDFResource* object,
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const nsString& predicateURI,
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nsIRDFResource* predicate,
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const nsString& time)
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{
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// XXX
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return rdf_Assert(mDataSource, object, predicateURI, time);
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// XXX Convert to a time
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nsresult rv;
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nsIRDFLiteral* literal;
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if (NS_FAILED(rv = gRDFService->GetLiteral(time, &literal))) {
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NS_ERROR("unable to get literal for time");
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return rv;
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}
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rv = mDataSource->Assert(object, predicate, literal, PR_TRUE);
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NS_ASSERTION(NS_SUCCEEDED(rv), "unable to assert time");
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NS_RELEASE(literal);
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return rv;
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}
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////////////////////////////////////////////////////////////////////////
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