Akkana set up a service for encoding a document.
This checkin adds the implementations for encoding HTML and plain text: nsTextEncoder::EncodeToString(..) nsHTMLEncoder::EncodeToStream(..) Hooked these services into the nsHTMLEditor implemenation We probably want to update the clipboard code to use the same pattern as in nsHTMLEditor.cpp git-svn-id: svn://10.0.0.236/trunk@34518 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
kostello%netscape.com
@@ -24,12 +24,20 @@
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#include "nsIComponentManager.h"
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#include "nsIServiceManager.h"
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#include "nsIDocument.h"
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#include "nsIDOMSelection.h"
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#include "nsIPresShell.h"
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#include "nsXIFDTD.h"
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#include "nsParserCIID.h"
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#include "nsIParser.h"
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#include "nsHTMLContentSinkStream.h"
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#include "nsHTMLToTxtSinkStream.h"
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static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
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static NS_DEFINE_IID(kIFactoryIID, NS_IFACTORY_IID);
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static NS_DEFINE_CID(kComponentManagerCID, NS_COMPONENTMANAGER_CID);
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static NS_DEFINE_CID(kCHTMLEncoderCID, NS_HTML_ENCODER_CID);
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static NS_DEFINE_CID(kCTextEncoderCID, NS_TEXT_ENCODER_CID);
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class nsHTMLEncoder : public nsIHTMLEncoder
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{
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@@ -39,7 +47,7 @@ public:
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nsHTMLEncoder();
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virtual ~nsHTMLEncoder();
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NS_IMETHOD Init(nsIDocument* aDocument, nsString& aMimeType);
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NS_IMETHOD Init(nsIPresShell* aPresShell, nsIDocument* aDocument, nsString& aMimeType);
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/* Interfaces for addref and release and queryinterface */
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NS_DECL_ISUPPORTS
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@@ -58,31 +66,51 @@ public:
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NS_IMETHOD PrettyPrint(PRBool aYesNO);
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private:
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nsIDocument* mDocument;
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nsString mMimeType;
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nsIDocument* mDocument;
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nsIDOMSelection* mSelection;
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nsIPresShell* mPresShell;
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nsString mMimeType;
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nsString mCharset;
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};
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NS_IMPL_ADDREF(nsHTMLEncoder)
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NS_IMPL_RELEASE(nsHTMLEncoder)
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NS_IMPL_ADDREF(nsHTMLEncoder)
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// NS_IMPL_RELEASE(nsHTMLEncoder)
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NS_IMETHODIMP_(nsrefcnt) nsHTMLEncoder::Release(void)
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{
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NS_PRECONDITION(0 != mRefCnt, "dup release");
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if (--mRefCnt == 0) {
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NS_DELETEXPCOM(this);
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return 0;
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}
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return mRefCnt;
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}
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nsHTMLEncoder::nsHTMLEncoder() : mMimeType("text/html")
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{
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mDocument = 0;
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mSelection = 0;
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mPresShell = 0;
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NS_INIT_REFCNT();
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}
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nsHTMLEncoder::~nsHTMLEncoder()
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{
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NS_IF_RELEASE(mDocument);
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NS_IF_RELEASE(mDocument);
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NS_IF_RELEASE(mSelection);
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NS_IF_RELEASE(mPresShell);
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}
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NS_IMETHODIMP
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nsHTMLEncoder::Init(nsIDocument* aDocument, nsString& aMimeType)
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nsHTMLEncoder::Init(nsIPresShell* aPresShell, nsIDocument* aDocument, nsString& aMimeType)
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{
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if (!aDocument)
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return NS_ERROR_INVALID_ARG;
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mDocument = aDocument;
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NS_ADDREF(mDocument);
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mPresShell = aPresShell;
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NS_ADDREF(aPresShell);
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mMimeType = aMimeType;
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return NS_OK;
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}
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@@ -112,43 +140,131 @@ nsresult nsHTMLEncoder::QueryInterface(REFNSIID aIID,
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NS_IMETHODIMP
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nsHTMLEncoder::SetSelection(nsIDOMSelection* aSelection)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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mSelection = aSelection;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsHTMLEncoder::SetCharset(const nsString& aCharset)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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mCharset = aCharset;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsHTMLEncoder::EncodeToString(nsString& aOutputString)
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{
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nsresult rv;
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if (!mDocument)
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return NS_ERROR_NOT_INITIALIZED;
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if (!mPresShell)
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return NS_ERROR_NOT_INITIALIZED;
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// Also make sure mString is a mime type "text/html" or "text/plain"
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// xxx Also make sure mString is a mime type "text/html" or "text/plain"
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if (mPresShell) {
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if (mDocument) {
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nsString buffer;
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return NS_ERROR_NOT_IMPLEMENTED;
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mDocument->CreateXIF(buffer,mSelection);
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nsIParser* parser;
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static NS_DEFINE_IID(kCParserIID, NS_IPARSER_IID);
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static NS_DEFINE_IID(kCParserCID, NS_PARSER_IID);
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rv = nsComponentManager::CreateInstance(kCParserCID,
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nsnull,
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kCParserIID,
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(void **)&parser);
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if (NS_OK == rv) {
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nsIHTMLContentSink* sink = nsnull;
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rv = NS_New_HTML_ContentSinkStream(&sink,&aOutputString);
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if (sink && NS_SUCCEEDED(rv)) {
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if (NS_OK == rv) {
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parser->SetContentSink(sink);
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nsIDTD* dtd = nsnull;
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rv = NS_NewXIFDTD(&dtd);
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if (NS_OK == rv) {
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parser->RegisterDTD(dtd);
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parser->Parse(buffer, 0, "text/xif",PR_FALSE,PR_TRUE);
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}
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NS_IF_RELEASE(dtd);
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NS_IF_RELEASE(sink);
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}
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}
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NS_RELEASE(parser);
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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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NS_IMETHODIMP
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nsHTMLEncoder::EncodeToStream(nsIOutputStream* aStream)
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{
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#if 0
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nsString str;
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nsresult rv = Encode(str);
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if (NS_FAILED(rv))
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return rv;
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nsresult rv;
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if (!mDocument)
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return NS_ERROR_NOT_INITIALIZED;
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if (!mPresShell)
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return NS_ERROR_NOT_INITIALIZED;
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// xxx Also make sure mString is a mime type "text/html" or "text/plain"
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if (mPresShell) {
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if (mDocument) {
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nsString buffer;
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mDocument->CreateXIF(buffer,mSelection);
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nsString* charset = nsnull;
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nsAutoString defaultCharset("ISO-8859-1");
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if (!mCharset.Equals("null") && !mCharset.Equals(""))
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charset = &mCharset;
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nsIParser* parser;
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static NS_DEFINE_IID(kCParserIID, NS_IPARSER_IID);
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static NS_DEFINE_IID(kCParserCID, NS_PARSER_IID);
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rv = nsComponentManager::CreateInstance(kCParserCID,
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nsnull,
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kCParserIID,
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(void **)&parser);
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if (NS_OK == rv) {
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nsIHTMLContentSink* sink = nsnull;
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rv = NS_New_HTML_ContentSinkStream(&sink,aStream,charset);
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if (sink && NS_SUCCEEDED(rv)) {
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if (NS_OK == rv) {
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parser->SetContentSink(sink);
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nsIDTD* dtd = nsnull;
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rv = NS_NewXIFDTD(&dtd);
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if (NS_OK == rv) {
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parser->RegisterDTD(dtd);
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parser->Parse(buffer, 0, "text/xif",PR_FALSE,PR_TRUE);
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}
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NS_IF_RELEASE(dtd);
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NS_IF_RELEASE(sink);
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}
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}
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NS_RELEASE(parser);
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}
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}
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}
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return rv;
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PRUint32 len = str.Length();
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// Doesn't work -- how do we get a stream to take input from an nsString?
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// nsIOutputStream is expecting ascii, I assume,
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// while nsString's buffer is likely (but not definitely) unicode.
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return aStream->Write(str, len, &len);
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#else
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return NS_ERROR_NOT_IMPLEMENTED;
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#endif
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}
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NS_IMETHODIMP
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@@ -168,16 +284,254 @@ nsHTMLEncoder::PrettyPrint(PRBool aYes)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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nsresult
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NS_NewHTMLEncoder(nsIDocumentEncoder** aResult)
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{
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*aResult = new nsHTMLEncoder;
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if (!*aResult)
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return NS_ERROR_OUT_OF_MEMORY;
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NS_ADDREF(*aResult);
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return NS_OK;
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}
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class nsTextEncoder : public nsITextEncoder
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{
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public:
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static const nsIID& GetIID() { static nsIID iid = NS_IDOCUMENT_ENCODER_IID; return iid; }
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nsTextEncoder();
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virtual ~nsTextEncoder();
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NS_IMETHOD Init(nsIPresShell* aPresShell, nsIDocument* aDocument, nsString& aMimeType);
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/* Interfaces for addref and release and queryinterface */
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NS_DECL_ISUPPORTS
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// Inherited methods from nsIDocument
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NS_IMETHOD SetSelection(nsIDOMSelection* aSelection);
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NS_IMETHOD SetCharset(const nsString& aCharset);
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NS_IMETHOD EncodeToStream(nsIOutputStream* aStream);
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NS_IMETHOD EncodeToString(nsString& aOutputString);
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NS_IMETHOD PrettyPrint(PRBool aYesNO);
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private:
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nsIDocument* mDocument;
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nsIDOMSelection* mSelection;
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nsIPresShell* mPresShell;
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nsString mMimeType;
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nsString mCharset;
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};
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NS_IMPL_ADDREF(nsTextEncoder)
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NS_IMPL_RELEASE(nsTextEncoder)
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nsTextEncoder::nsTextEncoder() : mMimeType("text/plain")
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{
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NS_INIT_REFCNT();
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mDocument = 0;
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mSelection = 0;
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}
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nsTextEncoder::~nsTextEncoder()
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{
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NS_IF_RELEASE(mDocument);
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NS_IF_RELEASE(mSelection);
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NS_IF_RELEASE(mPresShell);
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}
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NS_IMETHODIMP
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nsTextEncoder::Init(nsIPresShell* aPresShell, nsIDocument* aDocument, nsString& aMimeType)
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{
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if (!aDocument)
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return NS_ERROR_INVALID_ARG;
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if (!aPresShell)
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return NS_ERROR_INVALID_ARG;
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mDocument = aDocument;
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NS_ADDREF(mDocument);
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mPresShell = aPresShell;
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NS_ADDREF(aPresShell);
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mMimeType = aMimeType;
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return NS_OK;
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}
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nsresult nsTextEncoder::QueryInterface(REFNSIID aIID,
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void **aInstancePtr)
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{
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if (nsnull == aInstancePtr)
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return NS_ERROR_NULL_POINTER;
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*aInstancePtr = 0;
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if (aIID.Equals(kISupportsIID)) {
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*aInstancePtr = (void *)(nsISupports*)this;
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} else if (aIID.Equals(nsIDocumentEncoder::GetIID())) {
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*aInstancePtr = (void *)(nsIDocumentEncoder*)this;
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}
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if (nsnull == *aInstancePtr)
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return NS_NOINTERFACE;
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NS_ADDREF_THIS();
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return NS_OK;
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}
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NS_IMETHODIMP
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nsTextEncoder::SetSelection(nsIDOMSelection* aSelection)
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{
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mSelection = aSelection;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsTextEncoder::SetCharset(const nsString& aCharset)
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{
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mCharset = aCharset;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsTextEncoder::EncodeToString(nsString& aOutputString)
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{
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nsresult rv;
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if (!mDocument)
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return NS_ERROR_NOT_INITIALIZED;
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if (!mPresShell)
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return NS_ERROR_NOT_INITIALIZED;
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// xxx Also make sure mString is a mime type "text/html" or "text/plain"
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if (mPresShell) {
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if (mDocument) {
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nsString buffer;
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mDocument->CreateXIF(buffer,mSelection);
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nsIParser* parser;
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static NS_DEFINE_IID(kCParserIID, NS_IPARSER_IID);
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static NS_DEFINE_IID(kCParserCID, NS_PARSER_IID);
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rv = nsComponentManager::CreateInstance(kCParserCID,
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nsnull,
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kCParserIID,
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(void **)&parser);
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if (NS_OK == rv) {
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nsIHTMLContentSink* sink = nsnull;
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rv = NS_New_HTMLToTXT_SinkStream(&sink,&aOutputString);
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if (sink && NS_SUCCEEDED(rv)) {
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if (NS_OK == rv) {
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parser->SetContentSink(sink);
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nsIDTD* dtd = nsnull;
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rv = NS_NewXIFDTD(&dtd);
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if (NS_OK == rv) {
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parser->RegisterDTD(dtd);
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parser->Parse(buffer, 0, "text/xif",PR_FALSE,PR_TRUE);
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}
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NS_IF_RELEASE(dtd);
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NS_IF_RELEASE(sink);
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}
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}
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NS_RELEASE(parser);
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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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NS_IMETHODIMP
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nsTextEncoder::EncodeToStream(nsIOutputStream* aStream)
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{
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nsresult rv;
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if (!mDocument)
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return NS_ERROR_NOT_INITIALIZED;
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if (!mPresShell)
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return NS_ERROR_NOT_INITIALIZED;
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// xxx Also make sure mString is a mime type "text/html" or "text/plain"
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if (mPresShell) {
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if (mDocument) {
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nsString buffer;
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mDocument->CreateXIF(buffer,mSelection);
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nsString* charset = nsnull;
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nsAutoString defaultCharset("ISO-8859-1");
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if (!mCharset.Equals("null") && !mCharset.Equals(""))
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charset = &mCharset;
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nsIParser* parser;
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static NS_DEFINE_IID(kCParserIID, NS_IPARSER_IID);
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static NS_DEFINE_IID(kCParserCID, NS_PARSER_IID);
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rv = nsComponentManager::CreateInstance(kCParserCID,
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nsnull,
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kCParserIID,
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(void **)&parser);
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if (NS_OK == rv) {
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nsIHTMLContentSink* sink = nsnull;
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rv = NS_New_HTMLToTXT_SinkStream(&sink,aStream,charset);
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if (sink && NS_SUCCEEDED(rv)) {
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if (NS_OK == rv) {
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parser->SetContentSink(sink);
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nsIDTD* dtd = nsnull;
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rv = NS_NewXIFDTD(&dtd);
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if (NS_OK == rv) {
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parser->RegisterDTD(dtd);
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parser->Parse(buffer, 0, "text/xif",PR_FALSE,PR_TRUE);
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}
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NS_IF_RELEASE(dtd);
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NS_IF_RELEASE(sink);
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}
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}
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NS_RELEASE(parser);
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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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NS_IMETHODIMP
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nsTextEncoder::PrettyPrint(PRBool aYes)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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nsresult
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NS_NewTextEncoder(nsIDocumentEncoder** aResult)
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{
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*aResult = new nsTextEncoder;
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if (!*aResult)
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return NS_ERROR_OUT_OF_MEMORY;
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NS_ADDREF(*aResult);
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return NS_OK;
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}
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class nsDocumentEncoderFactory : public nsIFactory
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{
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public:
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@@ -239,6 +593,8 @@ nsDocumentEncoderFactory::CreateInstance(nsISupports *aOuter,
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if (aIID.Equals(kCHTMLEncoderCID))
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*aResult = new nsHTMLEncoder;
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else if (aIID.Equals(kCTextEncoderCID))
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*aResult = new nsTextEncoder;
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else
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return NS_NOINTERFACE;
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Reference in New Issue
Block a user