зеркало из https://github.com/mozilla/gecko-dev.git
Adding the architecture for an external transformation engine to hook into Raptor's layout process. One way this architecture can be used is for doing XSL transforms using a 3rd party component that implements the XSL processor. More details will be posted in mozilla.layout.
Currently enabled on windows only. Set MOZ_XSL to 1 in your environment and build mozilla/layout.
This commit is contained in:
nisheeth%netscape.com
Родитель
c043bd4aa3
Коммит
46687bfc33
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@ -23,6 +23,10 @@
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#include "nsIXMLContentSink.h"
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#include "nsIViewManager.h"
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#include "nsIScrollableView.h"
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#ifdef XSL
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#include "nsIObserver.h"
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#include "nsITransformMediator.h"
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#endif
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class nsIDocument;
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class nsIScriptObjectOwner;
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@ -42,16 +46,14 @@ typedef enum {
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eXMLContentSinkState_InEpilog
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} XMLContentSinkState;
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#ifdef XSL
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typedef struct _XSLStyleSheetState {
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PRBool sheetExists;
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nsIXSLContentSink* sink;
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} XSLStyleSheetState;
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#endif
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// XXX Till the parser knows a little bit more about XML,
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// this is a HTMLContentSink.
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class nsXMLContentSink : public nsIXMLContentSink {
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class nsXMLContentSink : public nsIXMLContentSink
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#ifdef XSL
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,
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public nsIObserver
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#endif
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{
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public:
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nsXMLContentSink();
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virtual ~nsXMLContentSink();
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@ -85,6 +87,13 @@ public:
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NS_IMETHOD AddNotation(const nsIParserNode& aNode);
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NS_IMETHOD AddEntityReference(const nsIParserNode& aNode);
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#ifdef XSL
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// nsIObserver
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NS_IMETHOD Observe(nsISupports *aSubject,
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const PRUnichar *aTopic,
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const PRUnichar *someData);
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#endif
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NS_IMETHOD ResumeParsing();
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NS_IMETHOD EvaluateScript(nsString& aScript, PRUint32 aLineNo);
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@ -113,15 +122,25 @@ protected:
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nsresult RefreshIfEnabled(nsIViewManager* vm);
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#ifndef XSL
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nsresult ProcessCSSStyleLink(nsIContent* aElement,
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const nsString& aHref, PRBool aAlternate,
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const nsString& aTitle, const nsString& aType,
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const nsString& aMedia);
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#ifdef XSL
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nsresult ProcessStyleLink(nsIContent* aElement,
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const nsString& aHref, PRBool aAlternate,
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const nsString& aTitle, const nsString& aType,
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const nsString& aMedia);
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#else
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nsresult ProcessXSLStyleLink(nsIContent* aElement,
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const nsString& aHref, PRBool aAlternate,
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const nsString& aTitle, const nsString& aType,
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const nsString& aMedia);
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nsresult CreateStyleSheetURL(nsIURI** aUrl, const nsAutoString& aHref);
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nsresult LoadXSLStyleSheet(const nsIURI* aUrl);
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nsresult LoadXSLStyleSheet(nsIURI* aUrl, const nsString& aType);
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nsresult SetupTransformMediator();
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#endif
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void StartLayoutProcess();
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nsresult AddText(const nsString& aString);
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nsresult CreateErrorText(const nsParserError* aError, nsString& aErrorString);
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@ -155,9 +174,8 @@ protected:
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nsString mPreferredStyle;
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PRInt32 mStyleSheetCount;
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nsICSSLoader* mCSSLoader;
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#ifdef XSL
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XSLStyleSheetState mXSLState;
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nsITransformMediator* mXSLTransformMediator; // Weak reference
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#endif
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};
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@ -23,6 +23,10 @@
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#include "nsIXMLContentSink.h"
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#include "nsIViewManager.h"
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#include "nsIScrollableView.h"
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#ifdef XSL
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#include "nsIObserver.h"
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#include "nsITransformMediator.h"
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#endif
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class nsIDocument;
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class nsIScriptObjectOwner;
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@ -42,16 +46,14 @@ typedef enum {
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eXMLContentSinkState_InEpilog
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} XMLContentSinkState;
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#ifdef XSL
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typedef struct _XSLStyleSheetState {
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PRBool sheetExists;
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nsIXSLContentSink* sink;
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} XSLStyleSheetState;
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#endif
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// XXX Till the parser knows a little bit more about XML,
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// this is a HTMLContentSink.
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class nsXMLContentSink : public nsIXMLContentSink {
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class nsXMLContentSink : public nsIXMLContentSink
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#ifdef XSL
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,
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public nsIObserver
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#endif
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{
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public:
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nsXMLContentSink();
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virtual ~nsXMLContentSink();
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@ -85,6 +87,13 @@ public:
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NS_IMETHOD AddNotation(const nsIParserNode& aNode);
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NS_IMETHOD AddEntityReference(const nsIParserNode& aNode);
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#ifdef XSL
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// nsIObserver
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NS_IMETHOD Observe(nsISupports *aSubject,
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const PRUnichar *aTopic,
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const PRUnichar *someData);
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#endif
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NS_IMETHOD ResumeParsing();
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NS_IMETHOD EvaluateScript(nsString& aScript, PRUint32 aLineNo);
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@ -113,15 +122,25 @@ protected:
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nsresult RefreshIfEnabled(nsIViewManager* vm);
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#ifndef XSL
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nsresult ProcessCSSStyleLink(nsIContent* aElement,
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const nsString& aHref, PRBool aAlternate,
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const nsString& aTitle, const nsString& aType,
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const nsString& aMedia);
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#ifdef XSL
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nsresult ProcessStyleLink(nsIContent* aElement,
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const nsString& aHref, PRBool aAlternate,
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const nsString& aTitle, const nsString& aType,
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const nsString& aMedia);
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#else
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nsresult ProcessXSLStyleLink(nsIContent* aElement,
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const nsString& aHref, PRBool aAlternate,
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const nsString& aTitle, const nsString& aType,
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const nsString& aMedia);
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nsresult CreateStyleSheetURL(nsIURI** aUrl, const nsAutoString& aHref);
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nsresult LoadXSLStyleSheet(const nsIURI* aUrl);
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nsresult LoadXSLStyleSheet(nsIURI* aUrl, const nsString& aType);
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nsresult SetupTransformMediator();
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#endif
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void StartLayoutProcess();
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nsresult AddText(const nsString& aString);
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nsresult CreateErrorText(const nsParserError* aError, nsString& aErrorString);
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@ -155,9 +174,8 @@ protected:
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nsString mPreferredStyle;
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PRInt32 mStyleSheetCount;
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nsICSSLoader* mCSSLoader;
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#ifdef XSL
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XSLStyleSheetState mXSLState;
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nsITransformMediator* mXSLTransformMediator; // Weak reference
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#endif
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};
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