зеркало из https://github.com/mozilla/pjs.git
updated comments
This commit is contained in:
rickg
Родитель
45f5c658fc
Коммит
ba2be950ad
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@ -45,37 +45,175 @@
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#include "nsIDTD.h"
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class CNavDelegate : public ITokenizerDelegate {
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public:
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CNavDelegate();
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CNavDelegate(CNavDelegate& aDelegate);
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public:
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virtual PRInt32 GetToken(CScanner& aScanner,CToken*& aToken);
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virtual PRBool WillAddToken(CToken& aToken);
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virtual PRBool WillTokenize(PRBool aIncremental);
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virtual PRBool DidTokenize(PRBool aIncremental);
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/**
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* Default constructor
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* @update gess5/11/98
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*/
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CNavDelegate();
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virtual eParseMode GetParseMode(void) const;
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virtual nsIDTD* GetDTD(void) const;
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static void SelfTest();
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protected:
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/**
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* Copy constructor
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* @update gess 5/11/98
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*/
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CNavDelegate(CNavDelegate& aDelegate);
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virtual CToken* CreateTokenOfType(eHTMLTokenTypes aType);
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/**
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* Consume next token from given scanner.
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* @update gess 5/11/98
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* @param aScanner is the input source
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* @param aToken is the next token (or null)
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* @return error code
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*/
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virtual PRInt32 GetToken(CScanner& aScanner,CToken*& aToken);
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PRInt32 ConsumeTag(PRUnichar aChar,CScanner& aScanner,CToken*& aToken);
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PRInt32 ConsumeStartTag(PRUnichar aChar,CScanner& aScanner,CToken*& aToken);
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PRInt32 ConsumeAttributes(PRUnichar aChar,CScanner& aScanner);
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PRInt32 ConsumeText(const nsString& aString,CScanner& aScanner,CToken*& aToken);
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PRInt32 ConsumeEntity(PRUnichar aChar,CScanner& aScanner,CToken*& aToken);
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PRInt32 ConsumeWhitespace(PRUnichar aChar,CScanner& aScanner,CToken*& aToken);
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PRInt32 ConsumeComment(PRUnichar aChar,CScanner& aScanner,CToken*& aToken);
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PRInt32 ConsumeNewline(PRUnichar aChar,CScanner& aScanner,CToken*& aToken);
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/**
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* Ask if its ok to add this token
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* @update gess 5/11/98
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* @param aToken is the token to be added
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* @return True if ok to add the given token
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*/
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virtual PRBool WillAddToken(CToken& aToken);
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//the only special case method...
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virtual PRInt32 ConsumeContentToEndTag(const nsString& aString,PRUnichar aChar,CScanner& aScanner,CToken*& aToken);
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/**
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* Called as a preprocess -- tells delegate that tokenization will begin
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* @update gess 5/11/98
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* @param aIncremental tells us if tokenization is incremental
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* @return TRUE if ok to continue -- FALSE if process should stop
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*/
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virtual PRBool WillTokenize(PRBool aIncremental);
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nsDeque mTokenDeque;
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/**
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* Postprocess -- called to say that tokenization has concluded
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* @update gess 5/11/98
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* @param aIncremental tells us if tokenization was incremental
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* @return TRUE if all went well--FALSE if you encountered an error
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*/
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virtual PRBool DidTokenize(PRBool aIncremental);
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/**
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* DEPRECATED. Tells us what mode the delegate is operating in.
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* @update gess 5/11/98
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* @return parse mode
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*/
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virtual eParseMode GetParseMode(void) const;
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/**
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* Retrieve the DTD required by this delegate
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* (The parser will call this prior to tokenization)
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* @update gess 5/11/98
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* @return ptr to DTD -- should NOT be null.
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*/
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virtual nsIDTD* GetDTD(void) const;
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/**
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* Conduct self test.
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* @update gess 5/11/98
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*/
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static void SelfTest();
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protected:
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/**
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* Called to cause delegate to create a token of given type.
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* @update gess 5/11/98
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* @param aType represents the kind of token you want to create.
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* @return new token or NULL
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*/
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virtual CToken* CreateTokenOfType(eHTMLTokenTypes aType);
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/**
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* Retrieve the next TAG from the given scanner.
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* @update gess 5/11/98
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* @param aScanner is the input source
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* @param aToken is the next token (or null)
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* @return error code
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*/
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PRInt32 ConsumeTag(PRUnichar aChar,CScanner& aScanner,CToken*& aToken);
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/**
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* Retrieve next START tag from given scanner.
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* @update gess 5/11/98
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* @param aScanner is the input source
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* @param aToken is the next token (or null)
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* @return error code
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*/
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PRInt32 ConsumeStartTag(PRUnichar aChar,CScanner& aScanner,CToken*& aToken);
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/**
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* Retrieve collection of HTML/XML attributes from given scanner
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* @update gess 5/11/98
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* @param aScanner is the input source
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* @param aToken is the next token (or null)
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* @return error code
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*/
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PRInt32 ConsumeAttributes(PRUnichar aChar,CScanner& aScanner);
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/**
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* Retrieve a sequence of text from given scanner.
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* @update gess 5/11/98
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* @param aString will contain retrieved text.
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* @param aScanner is the input source
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* @param aToken is the next token (or null)
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* @return error code
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*/
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PRInt32 ConsumeText(const nsString& aString,CScanner& aScanner,CToken*& aToken);
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/**
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* Retrieve an entity from given scanner
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* @update gess 5/11/98
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* @param aChar last char read from scanner
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* @param aScanner is the input source
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* @param aToken is the next token (or null)
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* @return error code
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*/
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PRInt32 ConsumeEntity(PRUnichar aChar,CScanner& aScanner,CToken*& aToken);
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/**
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* Retrieve a whitespace sequence from the given scanner
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* @update gess 5/11/98
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* @param aChar last char read from scanner
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* @param aScanner is the input source
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* @param aToken is the next token (or null)
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* @return error code
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*/
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PRInt32 ConsumeWhitespace(PRUnichar aChar,CScanner& aScanner,CToken*& aToken);
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/**
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* Retrieve a comment from the given scanner
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* @update gess 5/11/98
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* @param aChar last char read from scanner
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* @param aScanner is the input source
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* @param aToken is the next token (or null)
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* @return error code
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*/
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PRInt32 ConsumeComment(PRUnichar aChar,CScanner& aScanner,CToken*& aToken);
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/**
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* Retrieve newlines from given scanner
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* @update gess 5/11/98
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* @param aChar last char read from scanner
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* @param aScanner is the input source
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* @param aToken is the next token (or null)
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* @return error code
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*/
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PRInt32 ConsumeNewline(PRUnichar aChar,CScanner& aScanner,CToken*& aToken);
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/**
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* Causes content to be skipped up to sequence contained in aString.
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* @update gess 5/11/98
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* @param aString ????
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* @param aChar last char read from scanner
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* @param aScanner is the input source
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* @param aToken is the next token (or null)
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* @return error code
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*/
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virtual PRInt32 ConsumeContentToEndTag(const nsString& aString,PRUnichar aChar,CScanner& aScanner,CToken*& aToken);
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nsDeque mTokenDeque;
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};
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@ -45,37 +45,175 @@
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#include "nsIDTD.h"
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class COtherDelegate : public ITokenizerDelegate {
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public:
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COtherDelegate();
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COtherDelegate(COtherDelegate& aDelegate);
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public:
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virtual PRInt32 GetToken(CScanner& aScanner,CToken*& aToken);
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virtual PRBool WillAddToken(CToken& aToken);
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virtual PRBool WillTokenize(PRBool aIncremental);
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virtual PRBool DidTokenize(PRBool aIncremental);
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/**
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* Default constructor
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* @update gess5/11/98
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*/
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COtherDelegate();
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virtual eParseMode GetParseMode(void) const;
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virtual nsIDTD* GetDTD(void) const;
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static void SelfTest();
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protected:
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/**
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* Copy constructor
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* @update gess 5/11/98
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*/
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COtherDelegate(COtherDelegate& aDelegate);
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virtual CToken* CreateTokenOfType(eHTMLTokenTypes aType);
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/**
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* Consume next token from given scanner.
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* @update gess 5/11/98
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* @param aScanner is the input source
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* @param aToken is the next token (or null)
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* @return error code
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*/
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virtual PRInt32 GetToken(CScanner& aScanner,CToken*& aToken);
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PRInt32 ConsumeTag(PRUnichar aChar,CScanner& aScanner,CToken*& aToken);
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PRInt32 ConsumeStartTag(PRUnichar aChar,CScanner& aScanner,CToken*& aToken);
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PRInt32 ConsumeAttributes(PRUnichar aChar,CScanner& aScanner);
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PRInt32 ConsumeText(const nsString& aString,CScanner& aScanner,CToken*& aToken);
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PRInt32 ConsumeEntity(PRUnichar aChar,CScanner& aScanner,CToken*& aToken);
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PRInt32 ConsumeWhitespace(PRUnichar aChar,CScanner& aScanner,CToken*& aToken);
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PRInt32 ConsumeComment(PRUnichar aChar,CScanner& aScanner,CToken*& aToken);
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PRInt32 ConsumeNewline(PRUnichar aChar,CScanner& aScanner,CToken*& aToken);
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/**
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* Ask if its ok to add this token
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* @update gess 5/11/98
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* @param aToken is the token to be added
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* @return True if ok to add the given token
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*/
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virtual PRBool WillAddToken(CToken& aToken);
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//the only special case method...
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virtual PRInt32 ConsumeContentToEndTag(const nsString& aString,PRUnichar aChar,CScanner& aScanner,CToken*& aToken);
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/**
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* Called as a preprocess -- tells delegate that tokenization will begin
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* @update gess 5/11/98
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* @param aIncremental tells us if tokenization is incremental
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* @return TRUE if ok to continue -- FALSE if process should stop
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*/
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virtual PRBool WillTokenize(PRBool aIncremental);
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nsDeque mTokenDeque;
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/**
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* Postprocess -- called to say that tokenization has concluded
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* @update gess 5/11/98
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* @param aIncremental tells us if tokenization was incremental
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* @return TRUE if all went well--FALSE if you encountered an error
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*/
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virtual PRBool DidTokenize(PRBool aIncremental);
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/**
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* DEPRECATED. Tells us what mode the delegate is operating in.
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* @update gess 5/11/98
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* @return parse mode
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*/
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virtual eParseMode GetParseMode(void) const;
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/**
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* Retrieve the DTD required by this delegate
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* (The parser will call this prior to tokenization)
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* @update gess 5/11/98
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* @return ptr to DTD -- should NOT be null.
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*/
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virtual nsIDTD* GetDTD(void) const;
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/**
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* Conduct self test.
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* @update gess 5/11/98
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*/
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static void SelfTest();
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protected:
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/**
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* Called to cause delegate to create a token of given type.
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* @update gess 5/11/98
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* @param aType represents the kind of token you want to create.
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* @return new token or NULL
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*/
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virtual CToken* CreateTokenOfType(eHTMLTokenTypes aType);
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/**
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* Retrieve the next TAG from the given scanner.
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* @update gess 5/11/98
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* @param aScanner is the input source
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* @param aToken is the next token (or null)
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* @return error code
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*/
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PRInt32 ConsumeTag(PRUnichar aChar,CScanner& aScanner,CToken*& aToken);
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/**
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* Retrieve next START tag from given scanner.
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* @update gess 5/11/98
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* @param aScanner is the input source
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* @param aToken is the next token (or null)
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* @return error code
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*/
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PRInt32 ConsumeStartTag(PRUnichar aChar,CScanner& aScanner,CToken*& aToken);
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/**
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* Retrieve collection of HTML/XML attributes from given scanner
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* @update gess 5/11/98
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* @param aScanner is the input source
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* @param aToken is the next token (or null)
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* @return error code
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*/
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PRInt32 ConsumeAttributes(PRUnichar aChar,CScanner& aScanner);
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/**
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* Retrieve a sequence of text from given scanner.
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* @update gess 5/11/98
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* @param aString will contain retrieved text.
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* @param aScanner is the input source
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* @param aToken is the next token (or null)
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* @return error code
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*/
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PRInt32 ConsumeText(const nsString& aString,CScanner& aScanner,CToken*& aToken);
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/**
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* Retrieve an entity from given scanner
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* @update gess 5/11/98
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* @param aChar last char read from scanner
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* @param aScanner is the input source
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* @param aToken is the next token (or null)
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* @return error code
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*/
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PRInt32 ConsumeEntity(PRUnichar aChar,CScanner& aScanner,CToken*& aToken);
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/**
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* Retrieve a whitespace sequence from the given scanner
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* @update gess 5/11/98
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* @param aChar last char read from scanner
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* @param aScanner is the input source
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* @param aToken is the next token (or null)
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* @return error code
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*/
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PRInt32 ConsumeWhitespace(PRUnichar aChar,CScanner& aScanner,CToken*& aToken);
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/**
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* Retrieve a comment from the given scanner
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* @update gess 5/11/98
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* @param aChar last char read from scanner
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* @param aScanner is the input source
|
||||
* @param aToken is the next token (or null)
|
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* @return error code
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*/
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PRInt32 ConsumeComment(PRUnichar aChar,CScanner& aScanner,CToken*& aToken);
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/**
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* Retrieve newlines from given scanner
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* @update gess 5/11/98
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* @param aChar last char read from scanner
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* @param aScanner is the input source
|
||||
* @param aToken is the next token (or null)
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* @return error code
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||||
*/
|
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PRInt32 ConsumeNewline(PRUnichar aChar,CScanner& aScanner,CToken*& aToken);
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||||
|
||||
/**
|
||||
* Causes content to be skipped up to sequence contained in aString.
|
||||
* @update gess 5/11/98
|
||||
* @param aString ????
|
||||
* @param aChar last char read from scanner
|
||||
* @param aScanner is the input source
|
||||
* @param aToken is the next token (or null)
|
||||
* @return error code
|
||||
*/
|
||||
virtual PRInt32 ConsumeContentToEndTag(const nsString& aString,PRUnichar aChar,CScanner& aScanner,CToken*& aToken);
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nsDeque mTokenDeque;
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||||
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||||
};
|
||||
|
||||
|
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|
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@ -879,7 +879,7 @@ PRBool nsHTMLParser::HandleSkippedContentToken(CToken* aToken) {
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|
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PRBool result=PR_TRUE;
|
||||
|
||||
if(IsWithinBody()) {
|
||||
if(HasOpenContainer(eHTMLTag_body)) {
|
||||
nsCParserNode aNode((CHTMLToken*)aToken);
|
||||
result=AddLeaf(aNode);
|
||||
}
|
||||
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@ -937,22 +937,6 @@ PRBool nsHTMLParser::HandleStyleToken(CToken* aToken){
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return result;
|
||||
}
|
||||
|
||||
/**
|
||||
* This method gets called to determine whether a given
|
||||
* tag is itself a container
|
||||
*
|
||||
* @update gess 3/25/98
|
||||
* @param aTag -- tag to test for containership
|
||||
* @return PR_TRUE if given tag can contain other tags
|
||||
*/
|
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PRBool nsHTMLParser::IsWithinBody(void) const {
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for(int i=0;i<mContextStackPos;i++) {
|
||||
if(eHTMLTag_body==mContextStack[i])
|
||||
return PR_TRUE;
|
||||
}
|
||||
return PR_FALSE;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* This method does two things: 1st, help construct
|
||||
|
|
|
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|
|
@ -81,82 +81,427 @@ class nsHTMLParser : public nsIParser {
|
|||
friend class CTokenHandler;
|
||||
|
||||
NS_DECL_ISUPPORTS
|
||||
nsHTMLParser();
|
||||
~nsHTMLParser();
|
||||
virtual nsIContentSink* SetContentSink(nsIContentSink* aSink);
|
||||
virtual PRBool Parse(nsIURL* aURL);
|
||||
virtual PRBool Parse(nsIURL* aURL,eParseMode aMode);
|
||||
virtual PRBool ResumeParse();
|
||||
virtual PRInt32 GetStack(PRInt32* aStackPtr);
|
||||
virtual PRBool HasOpenContainer(PRInt32 aContainer) const;
|
||||
|
||||
|
||||
PRBool HandleStartToken(CToken* aToken);
|
||||
PRBool HandleDefaultStartToken(CToken* aToken,eHTMLTags aChildTag,nsCParserNode& aNode);
|
||||
PRBool HandleEndToken(CToken* aToken);
|
||||
PRBool HandleEntityToken(CToken* aToken);
|
||||
PRBool HandleCommentToken(CToken* aToken);
|
||||
PRBool HandleSkippedContentToken(CToken* aToken);
|
||||
PRBool HandleAttributeToken(CToken* aToken);
|
||||
PRBool HandleScriptToken(CToken* aToken);
|
||||
PRBool HandleStyleToken(CToken* aToken);
|
||||
/**
|
||||
* default constructor
|
||||
* @update gess5/11/98
|
||||
*/
|
||||
nsHTMLParser();
|
||||
|
||||
PRBool IsWithinBody(void) const;
|
||||
|
||||
protected:
|
||||
PRBool IterateTokens();
|
||||
eHTMLTags NodeAt(PRInt32 aPos) const;
|
||||
eHTMLTags GetTopNode() const;
|
||||
PRInt32 GetStackPos() const;
|
||||
/**
|
||||
* Destructor
|
||||
* @update gess5/11/98
|
||||
*/
|
||||
~nsHTMLParser();
|
||||
|
||||
PRInt32 CollectAttributes(nsCParserNode& aNode);
|
||||
PRInt32 CollectSkippedContent(nsCParserNode& aNode);
|
||||
void InitializeDefaultTokenHandlers();
|
||||
CTokenHandler* GetTokenHandler(const nsString& aString) const;
|
||||
CTokenHandler* GetTokenHandler(eHTMLTokenTypes aType) const;
|
||||
CTokenHandler* AddTokenHandler(CTokenHandler* aHandler);
|
||||
nsHTMLParser& DeleteTokenHandlers(void);
|
||||
/**
|
||||
* Select given content sink into parser for parser output
|
||||
* @update gess5/11/98
|
||||
* @param aSink is the new sink to be used by parser
|
||||
* @return old sink, or NULL
|
||||
*/
|
||||
virtual nsIContentSink* SetContentSink(nsIContentSink* aSink);
|
||||
|
||||
protected:
|
||||
/**
|
||||
* Cause parser to parse input from given URL
|
||||
* @update gess5/11/98
|
||||
* @param aURL is a descriptor for source document
|
||||
* @return TRUE if all went well -- FALSE otherwise
|
||||
*/
|
||||
virtual PRBool Parse(nsIURL* aURL);
|
||||
|
||||
//these cover methods mimic the sink, and are used
|
||||
//by the parser to manage its context-stack.
|
||||
/**
|
||||
* Cause parser to parse input from given URL in given mode
|
||||
* @update gess5/11/98
|
||||
* @param aURL is a descriptor for source document
|
||||
* @param aMode is the desired parser mode (Nav, other, etc.)
|
||||
* @return TRUE if all went well -- FALSE otherwise
|
||||
*/
|
||||
virtual PRBool Parse(nsIURL* aURL,eParseMode aMode);
|
||||
|
||||
PRBool OpenHTML(const nsIParserNode& aNode);
|
||||
PRBool CloseHTML(const nsIParserNode& aNode);
|
||||
PRBool OpenHead(const nsIParserNode& aNode);
|
||||
PRBool CloseHead(const nsIParserNode& aNode);
|
||||
PRBool OpenBody(const nsIParserNode& aNode);
|
||||
PRBool CloseBody(const nsIParserNode& aNode);
|
||||
PRBool OpenForm(const nsIParserNode& aNode);
|
||||
PRBool CloseForm(const nsIParserNode& aNode);
|
||||
PRBool OpenFrameset(const nsIParserNode& aNode);
|
||||
PRBool CloseFrameset(const nsIParserNode& aNode);
|
||||
PRBool OpenContainer(const nsIParserNode& aNode);
|
||||
PRBool CloseContainer(const nsIParserNode& aNode);
|
||||
PRBool CloseTopmostContainer();
|
||||
PRBool CloseContainersTo(eHTMLTags aTag);
|
||||
PRBool CloseContainersTo(PRInt32 anIndex);
|
||||
PRBool AddLeaf(const nsIParserNode& aNode);
|
||||
PRBool IsOpen(eHTMLTags aTag) const;
|
||||
PRInt32 GetTopmostIndex(eHTMLTags aTag) const;
|
||||
PRBool ReduceContextStackFor(PRInt32 aChildTag);
|
||||
PRBool CreateContextStackFor(PRInt32 aChildTag);
|
||||
/**
|
||||
* This method gets called (automatically) during incremental parsing
|
||||
* @update gess5/11/98
|
||||
* @return TRUE if all went well, otherwise FALSE
|
||||
*/
|
||||
virtual PRBool ResumeParse();
|
||||
|
||||
nsIHTMLContentSink* mSink;
|
||||
CTokenizer* mTokenizer;
|
||||
/**
|
||||
* Retrieve ptr to internal context vector stack
|
||||
* @update gess5/11/98
|
||||
* @param stack ptr to be set
|
||||
* @return count of items on stack (may be 0)
|
||||
*/
|
||||
virtual PRInt32 GetStack(PRInt32* aStackPtr);
|
||||
|
||||
// eHTMLTags mContextStack[50];
|
||||
PRInt32 mContextStack[50];
|
||||
PRInt32 mContextStackPos;
|
||||
/**
|
||||
* Ask parser if a given container is open ANYWHERE on stack
|
||||
* @update gess5/11/98
|
||||
* @param id of container you want to test for
|
||||
* @return TRUE if the given container type is open -- otherwise FALSE
|
||||
*/
|
||||
virtual PRBool HasOpenContainer(PRInt32 aContainer) const;
|
||||
|
||||
CTokenHandler* mTokenHandlers[100];
|
||||
PRInt32 mTokenHandlerCount;
|
||||
nsDequeIterator* mCurrentPos;
|
||||
|
||||
nsIDTD* mDTD;
|
||||
eParseMode mParseMode;
|
||||
PRBool mHasOpenForm;
|
||||
/**
|
||||
* This method gets called when a start token has been consumed and needs
|
||||
* to be handled (possibly added to content model via sink).
|
||||
* @update gess5/11/98
|
||||
* @param aToken is the start token to be handled
|
||||
* @return TRUE if the token was handled.
|
||||
*/
|
||||
PRBool HandleStartToken(CToken* aToken);
|
||||
|
||||
/**
|
||||
* This method gets called when a start token has been consumed, and
|
||||
* we want to use default start token handling behavior.
|
||||
* This method gets called automatically by handleStartToken.
|
||||
*
|
||||
* @update gess5/11/98
|
||||
* @param aToken is the start token to be handled
|
||||
* @param aChildTag is the tag-type of given token
|
||||
* @param aNode is a node be updated with info from given token
|
||||
* @return TRUE if the token was handled.
|
||||
*/
|
||||
PRBool HandleDefaultStartToken(CToken* aToken,eHTMLTags aChildTag,nsCParserNode& aNode);
|
||||
|
||||
/**
|
||||
* This method gets called when an end token has been consumed and needs
|
||||
* to be handled (possibly added to content model via sink).
|
||||
* @update gess5/11/98
|
||||
* @param aToken is the end token to be handled
|
||||
* @return TRUE if the token was handled.
|
||||
*/
|
||||
PRBool HandleEndToken(CToken* aToken);
|
||||
|
||||
/**
|
||||
* This method gets called when an entity token has been consumed and needs
|
||||
* to be handled (possibly added to content model via sink).
|
||||
* @update gess5/11/98
|
||||
* @param aToken is the entity token to be handled
|
||||
* @return TRUE if the token was handled.
|
||||
*/
|
||||
PRBool HandleEntityToken(CToken* aToken);
|
||||
|
||||
/**
|
||||
* This method gets called when a comment token has been consumed and needs
|
||||
* to be handled (possibly added to content model via sink).
|
||||
* @update gess5/11/98
|
||||
* @param aToken is the comment token to be handled
|
||||
* @return TRUE if the token was handled.
|
||||
*/
|
||||
PRBool HandleCommentToken(CToken* aToken);
|
||||
|
||||
/**
|
||||
* This method gets called when a skipped-content token has been consumed and needs
|
||||
* to be handled (possibly added to content model via sink).
|
||||
* @update gess5/11/98
|
||||
* @param aToken is the skipped-content token to be handled
|
||||
* @return TRUE if the token was handled.
|
||||
*/
|
||||
PRBool HandleSkippedContentToken(CToken* aToken);
|
||||
|
||||
/**
|
||||
* This method gets called when an attribute token has been consumed and needs
|
||||
* to be handled (possibly added to content model via sink).
|
||||
* @update gess5/11/98
|
||||
* @param aToken is the attribute token to be handled
|
||||
* @return TRUE if the token was handled.
|
||||
*/
|
||||
PRBool HandleAttributeToken(CToken* aToken);
|
||||
|
||||
/**
|
||||
* This method gets called when a script token has been consumed and needs
|
||||
* to be handled (possibly added to content model via sink).
|
||||
* @update gess5/11/98
|
||||
* @param aToken is the script token to be handled
|
||||
* @return TRUE if the token was handled.
|
||||
*/
|
||||
PRBool HandleScriptToken(CToken* aToken);
|
||||
|
||||
/**
|
||||
* This method gets called when a style token has been consumed and needs
|
||||
* to be handled (possibly added to content model via sink).
|
||||
* @update gess5/11/98
|
||||
* @param aToken is the style token to be handled
|
||||
* @return TRUE if the token was handled.
|
||||
*/
|
||||
PRBool HandleStyleToken(CToken* aToken);
|
||||
|
||||
|
||||
protected:
|
||||
|
||||
/**
|
||||
* This method gets called when the tokens have been consumed, and it's time
|
||||
* to build the model via the content sink.
|
||||
* @update gess5/11/98
|
||||
* @return YES if model building went well -- NO otherwise.
|
||||
*/
|
||||
PRBool IterateTokens();
|
||||
|
||||
/**
|
||||
* Retrieves the tag type for the element on the context vector stack at given pos.
|
||||
* @update gess5/11/98
|
||||
* @param pos of item you want to retrieve
|
||||
* @return tag type (may be unknown)
|
||||
*/
|
||||
eHTMLTags NodeAt(PRInt32 aPos) const;
|
||||
|
||||
/**
|
||||
* Retrieve the tag type of the topmost item on context vector stack
|
||||
* @update gess5/11/98
|
||||
* @return tag type (may be unknown)
|
||||
*/
|
||||
eHTMLTags GetTopNode() const;
|
||||
|
||||
/**
|
||||
* Retrieve the number of items on context vector stack
|
||||
* @update gess5/11/98
|
||||
* @return count of items on stack -- may be 0
|
||||
*/
|
||||
PRInt32 GetStackPos() const;
|
||||
|
||||
/**
|
||||
* Causes the parser to scan foward, collecting nearby (sequential)
|
||||
* attribute tokens into the given node.
|
||||
* @update gess5/11/98
|
||||
* @param node to store attributes
|
||||
* @return number of attributes added to node.
|
||||
*/
|
||||
PRInt32 CollectAttributes(nsCParserNode& aNode);
|
||||
|
||||
/**
|
||||
* Causes the next skipped-content token (if any) to
|
||||
* be consumed by this node.
|
||||
* @update gess5/11/98
|
||||
* @param node to consume skipped-content
|
||||
* @return number of skipped-content tokens consumed.
|
||||
*/
|
||||
PRInt32 CollectSkippedContent(nsCParserNode& aNode);
|
||||
|
||||
/**
|
||||
* Causes token handlers to be registered for this parser.
|
||||
* DO NOT CALL THIS! IT'S DEPRECATED!
|
||||
* @update gess5/11/98
|
||||
*/
|
||||
void InitializeDefaultTokenHandlers();
|
||||
|
||||
/**
|
||||
* DEPRECATED
|
||||
* @update gess5/11/98
|
||||
*/
|
||||
CTokenHandler* GetTokenHandler(const nsString& aString) const;
|
||||
|
||||
/**
|
||||
* DEPRECATED
|
||||
* @update gess5/11/98
|
||||
*/
|
||||
CTokenHandler* GetTokenHandler(eHTMLTokenTypes aType) const;
|
||||
|
||||
/**
|
||||
* DEPRECATED
|
||||
* @update gess5/11/98
|
||||
*/
|
||||
CTokenHandler* AddTokenHandler(CTokenHandler* aHandler);
|
||||
|
||||
/**
|
||||
* DEPRECATED
|
||||
* @update gess5/11/98
|
||||
*/
|
||||
nsHTMLParser& DeleteTokenHandlers(void);
|
||||
|
||||
//*************************************************
|
||||
//these cover methods mimic the sink, and are used
|
||||
//by the parser to manage its context-stack.
|
||||
//*************************************************
|
||||
|
||||
/**
|
||||
* This cover method opens the given node as a HTML item in
|
||||
* content sink.
|
||||
* @update gess5/11/98
|
||||
* @param HTML (node) to be opened in content sink.
|
||||
* @return TRUE if all went well.
|
||||
*/
|
||||
PRBool OpenHTML(const nsIParserNode& aNode);
|
||||
|
||||
/**
|
||||
*
|
||||
* @update gess5/11/98
|
||||
* @param
|
||||
* @return
|
||||
*/
|
||||
PRBool CloseHTML(const nsIParserNode& aNode);
|
||||
|
||||
/**
|
||||
* This cover method opens the given node as a head item in
|
||||
* content sink.
|
||||
* @update gess5/11/98
|
||||
* @param HEAD (node) to be opened in content sink.
|
||||
* @return TRUE if all went well.
|
||||
*/
|
||||
PRBool OpenHead(const nsIParserNode& aNode);
|
||||
|
||||
/**
|
||||
* This cover method causes the content-sink head to be closed
|
||||
* @update gess5/11/98
|
||||
* @param aNode is the node to be closed in sink (usually ignored)
|
||||
* @return TRUE if all went well.
|
||||
*/
|
||||
PRBool CloseHead(const nsIParserNode& aNode);
|
||||
|
||||
/**
|
||||
* This cover method opens the given node as a body item in
|
||||
* content sink.
|
||||
* @update gess5/11/98
|
||||
* @param BODY (node) to be opened in content sink.
|
||||
* @return TRUE if all went well.
|
||||
*/
|
||||
PRBool OpenBody(const nsIParserNode& aNode);
|
||||
|
||||
/**
|
||||
* This cover method causes the content-sink body to be closed
|
||||
* @update gess5/11/98
|
||||
* @param aNode is the body node to be closed in sink (usually ignored)
|
||||
* @return TRUE if all went well.
|
||||
*/
|
||||
PRBool CloseBody(const nsIParserNode& aNode);
|
||||
|
||||
/**
|
||||
* This cover method opens the given node as a form item in
|
||||
* content sink.
|
||||
* @update gess5/11/98
|
||||
* @param FORM (node) to be opened in content sink.
|
||||
* @return TRUE if all went well.
|
||||
*/
|
||||
PRBool OpenForm(const nsIParserNode& aNode);
|
||||
|
||||
/**
|
||||
* This cover method causes the content-sink form to be closed
|
||||
* @update gess5/11/98
|
||||
* @param aNode is the form node to be closed in sink (usually ignored)
|
||||
* @return TRUE if all went well.
|
||||
*/
|
||||
PRBool CloseForm(const nsIParserNode& aNode);
|
||||
|
||||
/**
|
||||
* This cover method opens the given node as a frameset item in
|
||||
* content sink.
|
||||
* @update gess5/11/98
|
||||
* @param FRAMESET (node) to be opened in content sink.
|
||||
* @return TRUE if all went well.
|
||||
*/
|
||||
PRBool OpenFrameset(const nsIParserNode& aNode);
|
||||
|
||||
/**
|
||||
* This cover method causes the content-sink frameset to be closed
|
||||
* @update gess5/11/98
|
||||
* @param aNode is the frameeset node to be closed in sink (usually ignored)
|
||||
* @return TRUE if all went well.
|
||||
*/
|
||||
PRBool CloseFrameset(const nsIParserNode& aNode);
|
||||
|
||||
/**
|
||||
* This cover method opens the given node as a generic container in
|
||||
* content sink.
|
||||
* @update gess5/11/98
|
||||
* @param generic container (node) to be opened in content sink.
|
||||
* @return TRUE if all went well.
|
||||
*/
|
||||
PRBool OpenContainer(const nsIParserNode& aNode);
|
||||
|
||||
/**
|
||||
* This cover method causes a generic containre in the content-sink to be closed
|
||||
* @update gess5/11/98
|
||||
* @param aNode is the node to be closed in sink (usually ignored)
|
||||
* @return TRUE if all went well.
|
||||
*/
|
||||
PRBool CloseContainer(const nsIParserNode& aNode);
|
||||
|
||||
/**
|
||||
* This cover method causes the topmost container to be closed in sink
|
||||
* @update gess5/11/98
|
||||
* @return TRUE if all went well.
|
||||
*/
|
||||
PRBool CloseTopmostContainer();
|
||||
|
||||
/**
|
||||
* Cause all containers down to topmost given tag to be closed
|
||||
* @update gess5/11/98
|
||||
* @param aTag is the tag at which auto-closure should stop (inclusive)
|
||||
* @return TRUE if all went well -- otherwise FALSE
|
||||
*/
|
||||
PRBool CloseContainersTo(eHTMLTags aTag);
|
||||
|
||||
/**
|
||||
* Cause all containers down to given position to be closed
|
||||
* @update gess5/11/98
|
||||
* @param anIndex is the stack pos at which auto-closure should stop (inclusive)
|
||||
* @return TRUE if all went well -- otherwise FALSE
|
||||
*/
|
||||
PRBool CloseContainersTo(PRInt32 anIndex);
|
||||
|
||||
/**
|
||||
* Causes leaf to be added to sink at current vector pos.
|
||||
* @update gess5/11/98
|
||||
* @param aNode is leaf node to be added.
|
||||
* @return TRUE if all went well -- FALSE otherwise.
|
||||
*/
|
||||
PRBool AddLeaf(const nsIParserNode& aNode);
|
||||
|
||||
/**
|
||||
* Determine if the given tag is open in the context vector stack.
|
||||
* @update gess5/11/98
|
||||
* @param aTag is the type of tag you want to test for openness
|
||||
* @return TRUE if open, FALSE otherwise.
|
||||
*/
|
||||
PRBool IsOpen(eHTMLTags aTag) const;
|
||||
|
||||
/**
|
||||
* Finds the topmost occurance of given tag within context vector stack.
|
||||
* @update gess5/11/98
|
||||
* @param tag to be found
|
||||
* @return index of topmost tag occurance -- may be -1 (kNotFound).
|
||||
*/
|
||||
PRInt32 GetTopmostIndex(eHTMLTags aTag) const;
|
||||
|
||||
/**
|
||||
* Causes auto-closures of context vector stack in order to find a
|
||||
* proper home for the given child. Propagation may also occur as
|
||||
* a fall out.
|
||||
* @update gess5/11/98
|
||||
* @param child to be added (somewhere) to context vector stack.
|
||||
* @return TRUE if succeeds, otherwise FALSE
|
||||
*/
|
||||
PRBool ReduceContextStackFor(PRInt32 aChildTag);
|
||||
|
||||
/**
|
||||
* Attempt forward and/or backward propagation for the given
|
||||
* child within the current context vector stack.
|
||||
* @update gess5/11/98
|
||||
* @param type of child to be propagated.
|
||||
* @return TRUE if succeeds, otherwise FALSE
|
||||
*/
|
||||
PRBool CreateContextStackFor(PRInt32 aChildTag);
|
||||
|
||||
//*********************************************
|
||||
// And now, some data members...
|
||||
//*********************************************
|
||||
|
||||
nsIHTMLContentSink* mSink;
|
||||
CTokenizer* mTokenizer;
|
||||
|
||||
PRInt32 mContextStack[50];
|
||||
PRInt32 mContextStackPos;
|
||||
|
||||
CTokenHandler* mTokenHandlers[100];
|
||||
PRInt32 mTokenHandlerCount;
|
||||
nsDequeIterator* mCurrentPos;
|
||||
|
||||
nsIDTD* mDTD;
|
||||
eParseMode mParseMode;
|
||||
PRBool mHasOpenForm;
|
||||
};
|
||||
|
||||
|
||||
|
|
|
|||
|
|
@ -52,21 +52,72 @@ class nsIParserNode {
|
|||
|
||||
public:
|
||||
|
||||
virtual const nsString& GetName() const =0; //to get name of tag
|
||||
virtual const nsString& GetText() const =0; //get plain text if available
|
||||
virtual const nsString& GetSkippedContent() const =0;
|
||||
|
||||
//methods for determining the type of parser node...
|
||||
virtual PRInt32 GetNodeType() const =0;
|
||||
virtual PRInt32 GetTokenType() const =0;
|
||||
/**
|
||||
* Retrieve the name of the node
|
||||
* @update gess5/11/98
|
||||
* @return string containing node name
|
||||
*/
|
||||
virtual const nsString& GetName() const =0; //to get name of tag
|
||||
|
||||
//methods for accessing key/value pairs
|
||||
virtual PRInt32 GetAttributeCount(void) const =0;
|
||||
virtual const nsString& GetKeyAt(PRInt32 anIndex) const =0;
|
||||
virtual const nsString& GetValueAt(PRInt32 anIndex) const =0;
|
||||
/**
|
||||
* Retrieve the text from the given node
|
||||
* @update gess5/11/98
|
||||
* @return string containing node text
|
||||
*/
|
||||
virtual const nsString& GetText() const =0; //get plain text if available
|
||||
|
||||
// When the node is an entity, this will translate the entity to
|
||||
// it's unicode value.
|
||||
/**
|
||||
* Retrieve skipped context from node
|
||||
* @update gess5/11/98
|
||||
* @return string containing skipped content
|
||||
*/
|
||||
virtual const nsString& GetSkippedContent() const =0;
|
||||
|
||||
/**
|
||||
* Retrieve the type of the parser node.
|
||||
* @update gess5/11/98
|
||||
* @return node type.
|
||||
*/
|
||||
virtual PRInt32 GetNodeType() const =0;
|
||||
|
||||
/**
|
||||
* Retrieve token type of parser node
|
||||
* @update gess5/11/98
|
||||
* @return token type
|
||||
*/
|
||||
virtual PRInt32 GetTokenType() const =0;
|
||||
|
||||
/**
|
||||
* Retrieve the number of attributes in this node.
|
||||
* @update gess5/11/98
|
||||
* @return count of attributes (may be 0)
|
||||
*/
|
||||
virtual PRInt32 GetAttributeCount(void) const =0;
|
||||
|
||||
/**
|
||||
* Retrieve the key (of key/value pair) at given index
|
||||
* @update gess5/11/98
|
||||
* @param anIndex is the index of the key you want
|
||||
* @return string containing key.
|
||||
*/
|
||||
virtual const nsString& GetKeyAt(PRInt32 anIndex) const =0;
|
||||
|
||||
/**
|
||||
* Retrieve the value (of key/value pair) at given index
|
||||
* @update gess5/11/98
|
||||
* @param anIndex is the index of the value you want
|
||||
* @return string containing value.
|
||||
*/
|
||||
virtual const nsString& GetValueAt(PRInt32 anIndex) const =0;
|
||||
|
||||
/**
|
||||
* NOTE: When the node is an entity, this will translate the entity
|
||||
* to it's unicode value, and store it in aString.
|
||||
* @update gess5/11/98
|
||||
* @param aString will contain the resulting unicode string value
|
||||
* @return int (unicode char or unicode index from table)
|
||||
*/
|
||||
virtual PRInt32 TranslateToUnicodeStr(nsString& aString) const = 0;
|
||||
};
|
||||
|
||||
|
|
|
|||
|
|
@ -45,37 +45,175 @@
|
|||
#include "nsIDTD.h"
|
||||
|
||||
class CNavDelegate : public ITokenizerDelegate {
|
||||
public:
|
||||
CNavDelegate();
|
||||
CNavDelegate(CNavDelegate& aDelegate);
|
||||
public:
|
||||
|
||||
virtual PRInt32 GetToken(CScanner& aScanner,CToken*& aToken);
|
||||
virtual PRBool WillAddToken(CToken& aToken);
|
||||
|
||||
virtual PRBool WillTokenize(PRBool aIncremental);
|
||||
virtual PRBool DidTokenize(PRBool aIncremental);
|
||||
/**
|
||||
* Default constructor
|
||||
* @update gess5/11/98
|
||||
*/
|
||||
CNavDelegate();
|
||||
|
||||
virtual eParseMode GetParseMode(void) const;
|
||||
virtual nsIDTD* GetDTD(void) const;
|
||||
static void SelfTest();
|
||||
|
||||
protected:
|
||||
/**
|
||||
* Copy constructor
|
||||
* @update gess 5/11/98
|
||||
*/
|
||||
CNavDelegate(CNavDelegate& aDelegate);
|
||||
|
||||
virtual CToken* CreateTokenOfType(eHTMLTokenTypes aType);
|
||||
/**
|
||||
* Consume next token from given scanner.
|
||||
* @update gess 5/11/98
|
||||
* @param aScanner is the input source
|
||||
* @param aToken is the next token (or null)
|
||||
* @return error code
|
||||
*/
|
||||
virtual PRInt32 GetToken(CScanner& aScanner,CToken*& aToken);
|
||||
|
||||
PRInt32 ConsumeTag(PRUnichar aChar,CScanner& aScanner,CToken*& aToken);
|
||||
PRInt32 ConsumeStartTag(PRUnichar aChar,CScanner& aScanner,CToken*& aToken);
|
||||
PRInt32 ConsumeAttributes(PRUnichar aChar,CScanner& aScanner);
|
||||
PRInt32 ConsumeText(const nsString& aString,CScanner& aScanner,CToken*& aToken);
|
||||
PRInt32 ConsumeEntity(PRUnichar aChar,CScanner& aScanner,CToken*& aToken);
|
||||
PRInt32 ConsumeWhitespace(PRUnichar aChar,CScanner& aScanner,CToken*& aToken);
|
||||
PRInt32 ConsumeComment(PRUnichar aChar,CScanner& aScanner,CToken*& aToken);
|
||||
PRInt32 ConsumeNewline(PRUnichar aChar,CScanner& aScanner,CToken*& aToken);
|
||||
/**
|
||||
* Ask if its ok to add this token
|
||||
* @update gess 5/11/98
|
||||
* @param aToken is the token to be added
|
||||
* @return True if ok to add the given token
|
||||
*/
|
||||
virtual PRBool WillAddToken(CToken& aToken);
|
||||
|
||||
//the only special case method...
|
||||
virtual PRInt32 ConsumeContentToEndTag(const nsString& aString,PRUnichar aChar,CScanner& aScanner,CToken*& aToken);
|
||||
/**
|
||||
* Called as a preprocess -- tells delegate that tokenization will begin
|
||||
* @update gess 5/11/98
|
||||
* @param aIncremental tells us if tokenization is incremental
|
||||
* @return TRUE if ok to continue -- FALSE if process should stop
|
||||
*/
|
||||
virtual PRBool WillTokenize(PRBool aIncremental);
|
||||
|
||||
nsDeque mTokenDeque;
|
||||
/**
|
||||
* Postprocess -- called to say that tokenization has concluded
|
||||
* @update gess 5/11/98
|
||||
* @param aIncremental tells us if tokenization was incremental
|
||||
* @return TRUE if all went well--FALSE if you encountered an error
|
||||
*/
|
||||
virtual PRBool DidTokenize(PRBool aIncremental);
|
||||
|
||||
/**
|
||||
* DEPRECATED. Tells us what mode the delegate is operating in.
|
||||
* @update gess 5/11/98
|
||||
* @return parse mode
|
||||
*/
|
||||
virtual eParseMode GetParseMode(void) const;
|
||||
|
||||
/**
|
||||
* Retrieve the DTD required by this delegate
|
||||
* (The parser will call this prior to tokenization)
|
||||
* @update gess 5/11/98
|
||||
* @return ptr to DTD -- should NOT be null.
|
||||
*/
|
||||
virtual nsIDTD* GetDTD(void) const;
|
||||
|
||||
/**
|
||||
* Conduct self test.
|
||||
* @update gess 5/11/98
|
||||
*/
|
||||
static void SelfTest();
|
||||
|
||||
protected:
|
||||
|
||||
/**
|
||||
* Called to cause delegate to create a token of given type.
|
||||
* @update gess 5/11/98
|
||||
* @param aType represents the kind of token you want to create.
|
||||
* @return new token or NULL
|
||||
*/
|
||||
virtual CToken* CreateTokenOfType(eHTMLTokenTypes aType);
|
||||
|
||||
/**
|
||||
* Retrieve the next TAG from the given scanner.
|
||||
* @update gess 5/11/98
|
||||
* @param aScanner is the input source
|
||||
* @param aToken is the next token (or null)
|
||||
* @return error code
|
||||
*/
|
||||
PRInt32 ConsumeTag(PRUnichar aChar,CScanner& aScanner,CToken*& aToken);
|
||||
|
||||
/**
|
||||
* Retrieve next START tag from given scanner.
|
||||
* @update gess 5/11/98
|
||||
* @param aScanner is the input source
|
||||
* @param aToken is the next token (or null)
|
||||
* @return error code
|
||||
*/
|
||||
PRInt32 ConsumeStartTag(PRUnichar aChar,CScanner& aScanner,CToken*& aToken);
|
||||
|
||||
/**
|
||||
* Retrieve collection of HTML/XML attributes from given scanner
|
||||
* @update gess 5/11/98
|
||||
* @param aScanner is the input source
|
||||
* @param aToken is the next token (or null)
|
||||
* @return error code
|
||||
*/
|
||||
PRInt32 ConsumeAttributes(PRUnichar aChar,CScanner& aScanner);
|
||||
|
||||
/**
|
||||
* Retrieve a sequence of text from given scanner.
|
||||
* @update gess 5/11/98
|
||||
* @param aString will contain retrieved text.
|
||||
* @param aScanner is the input source
|
||||
* @param aToken is the next token (or null)
|
||||
* @return error code
|
||||
*/
|
||||
PRInt32 ConsumeText(const nsString& aString,CScanner& aScanner,CToken*& aToken);
|
||||
|
||||
/**
|
||||
* Retrieve an entity from given scanner
|
||||
* @update gess 5/11/98
|
||||
* @param aChar last char read from scanner
|
||||
* @param aScanner is the input source
|
||||
* @param aToken is the next token (or null)
|
||||
* @return error code
|
||||
*/
|
||||
PRInt32 ConsumeEntity(PRUnichar aChar,CScanner& aScanner,CToken*& aToken);
|
||||
|
||||
/**
|
||||
* Retrieve a whitespace sequence from the given scanner
|
||||
* @update gess 5/11/98
|
||||
* @param aChar last char read from scanner
|
||||
* @param aScanner is the input source
|
||||
* @param aToken is the next token (or null)
|
||||
* @return error code
|
||||
*/
|
||||
PRInt32 ConsumeWhitespace(PRUnichar aChar,CScanner& aScanner,CToken*& aToken);
|
||||
|
||||
/**
|
||||
* Retrieve a comment from the given scanner
|
||||
* @update gess 5/11/98
|
||||
* @param aChar last char read from scanner
|
||||
* @param aScanner is the input source
|
||||
* @param aToken is the next token (or null)
|
||||
* @return error code
|
||||
*/
|
||||
PRInt32 ConsumeComment(PRUnichar aChar,CScanner& aScanner,CToken*& aToken);
|
||||
|
||||
/**
|
||||
* Retrieve newlines from given scanner
|
||||
* @update gess 5/11/98
|
||||
* @param aChar last char read from scanner
|
||||
* @param aScanner is the input source
|
||||
* @param aToken is the next token (or null)
|
||||
* @return error code
|
||||
*/
|
||||
PRInt32 ConsumeNewline(PRUnichar aChar,CScanner& aScanner,CToken*& aToken);
|
||||
|
||||
/**
|
||||
* Causes content to be skipped up to sequence contained in aString.
|
||||
* @update gess 5/11/98
|
||||
* @param aString ????
|
||||
* @param aChar last char read from scanner
|
||||
* @param aScanner is the input source
|
||||
* @param aToken is the next token (or null)
|
||||
* @return error code
|
||||
*/
|
||||
virtual PRInt32 ConsumeContentToEndTag(const nsString& aString,PRUnichar aChar,CScanner& aScanner,CToken*& aToken);
|
||||
|
||||
nsDeque mTokenDeque;
|
||||
|
||||
};
|
||||
|
||||
|
|
|
|||
|
|
@ -45,37 +45,175 @@
|
|||
#include "nsIDTD.h"
|
||||
|
||||
class COtherDelegate : public ITokenizerDelegate {
|
||||
public:
|
||||
COtherDelegate();
|
||||
COtherDelegate(COtherDelegate& aDelegate);
|
||||
public:
|
||||
|
||||
virtual PRInt32 GetToken(CScanner& aScanner,CToken*& aToken);
|
||||
virtual PRBool WillAddToken(CToken& aToken);
|
||||
|
||||
virtual PRBool WillTokenize(PRBool aIncremental);
|
||||
virtual PRBool DidTokenize(PRBool aIncremental);
|
||||
/**
|
||||
* Default constructor
|
||||
* @update gess5/11/98
|
||||
*/
|
||||
COtherDelegate();
|
||||
|
||||
virtual eParseMode GetParseMode(void) const;
|
||||
virtual nsIDTD* GetDTD(void) const;
|
||||
static void SelfTest();
|
||||
|
||||
protected:
|
||||
/**
|
||||
* Copy constructor
|
||||
* @update gess 5/11/98
|
||||
*/
|
||||
COtherDelegate(COtherDelegate& aDelegate);
|
||||
|
||||
virtual CToken* CreateTokenOfType(eHTMLTokenTypes aType);
|
||||
/**
|
||||
* Consume next token from given scanner.
|
||||
* @update gess 5/11/98
|
||||
* @param aScanner is the input source
|
||||
* @param aToken is the next token (or null)
|
||||
* @return error code
|
||||
*/
|
||||
virtual PRInt32 GetToken(CScanner& aScanner,CToken*& aToken);
|
||||
|
||||
PRInt32 ConsumeTag(PRUnichar aChar,CScanner& aScanner,CToken*& aToken);
|
||||
PRInt32 ConsumeStartTag(PRUnichar aChar,CScanner& aScanner,CToken*& aToken);
|
||||
PRInt32 ConsumeAttributes(PRUnichar aChar,CScanner& aScanner);
|
||||
PRInt32 ConsumeText(const nsString& aString,CScanner& aScanner,CToken*& aToken);
|
||||
PRInt32 ConsumeEntity(PRUnichar aChar,CScanner& aScanner,CToken*& aToken);
|
||||
PRInt32 ConsumeWhitespace(PRUnichar aChar,CScanner& aScanner,CToken*& aToken);
|
||||
PRInt32 ConsumeComment(PRUnichar aChar,CScanner& aScanner,CToken*& aToken);
|
||||
PRInt32 ConsumeNewline(PRUnichar aChar,CScanner& aScanner,CToken*& aToken);
|
||||
/**
|
||||
* Ask if its ok to add this token
|
||||
* @update gess 5/11/98
|
||||
* @param aToken is the token to be added
|
||||
* @return True if ok to add the given token
|
||||
*/
|
||||
virtual PRBool WillAddToken(CToken& aToken);
|
||||
|
||||
//the only special case method...
|
||||
virtual PRInt32 ConsumeContentToEndTag(const nsString& aString,PRUnichar aChar,CScanner& aScanner,CToken*& aToken);
|
||||
/**
|
||||
* Called as a preprocess -- tells delegate that tokenization will begin
|
||||
* @update gess 5/11/98
|
||||
* @param aIncremental tells us if tokenization is incremental
|
||||
* @return TRUE if ok to continue -- FALSE if process should stop
|
||||
*/
|
||||
virtual PRBool WillTokenize(PRBool aIncremental);
|
||||
|
||||
nsDeque mTokenDeque;
|
||||
/**
|
||||
* Postprocess -- called to say that tokenization has concluded
|
||||
* @update gess 5/11/98
|
||||
* @param aIncremental tells us if tokenization was incremental
|
||||
* @return TRUE if all went well--FALSE if you encountered an error
|
||||
*/
|
||||
virtual PRBool DidTokenize(PRBool aIncremental);
|
||||
|
||||
/**
|
||||
* DEPRECATED. Tells us what mode the delegate is operating in.
|
||||
* @update gess 5/11/98
|
||||
* @return parse mode
|
||||
*/
|
||||
virtual eParseMode GetParseMode(void) const;
|
||||
|
||||
/**
|
||||
* Retrieve the DTD required by this delegate
|
||||
* (The parser will call this prior to tokenization)
|
||||
* @update gess 5/11/98
|
||||
* @return ptr to DTD -- should NOT be null.
|
||||
*/
|
||||
virtual nsIDTD* GetDTD(void) const;
|
||||
|
||||
/**
|
||||
* Conduct self test.
|
||||
* @update gess 5/11/98
|
||||
*/
|
||||
static void SelfTest();
|
||||
|
||||
protected:
|
||||
|
||||
/**
|
||||
* Called to cause delegate to create a token of given type.
|
||||
* @update gess 5/11/98
|
||||
* @param aType represents the kind of token you want to create.
|
||||
* @return new token or NULL
|
||||
*/
|
||||
virtual CToken* CreateTokenOfType(eHTMLTokenTypes aType);
|
||||
|
||||
/**
|
||||
* Retrieve the next TAG from the given scanner.
|
||||
* @update gess 5/11/98
|
||||
* @param aScanner is the input source
|
||||
* @param aToken is the next token (or null)
|
||||
* @return error code
|
||||
*/
|
||||
PRInt32 ConsumeTag(PRUnichar aChar,CScanner& aScanner,CToken*& aToken);
|
||||
|
||||
/**
|
||||
* Retrieve next START tag from given scanner.
|
||||
* @update gess 5/11/98
|
||||
* @param aScanner is the input source
|
||||
* @param aToken is the next token (or null)
|
||||
* @return error code
|
||||
*/
|
||||
PRInt32 ConsumeStartTag(PRUnichar aChar,CScanner& aScanner,CToken*& aToken);
|
||||
|
||||
/**
|
||||
* Retrieve collection of HTML/XML attributes from given scanner
|
||||
* @update gess 5/11/98
|
||||
* @param aScanner is the input source
|
||||
* @param aToken is the next token (or null)
|
||||
* @return error code
|
||||
*/
|
||||
PRInt32 ConsumeAttributes(PRUnichar aChar,CScanner& aScanner);
|
||||
|
||||
/**
|
||||
* Retrieve a sequence of text from given scanner.
|
||||
* @update gess 5/11/98
|
||||
* @param aString will contain retrieved text.
|
||||
* @param aScanner is the input source
|
||||
* @param aToken is the next token (or null)
|
||||
* @return error code
|
||||
*/
|
||||
PRInt32 ConsumeText(const nsString& aString,CScanner& aScanner,CToken*& aToken);
|
||||
|
||||
/**
|
||||
* Retrieve an entity from given scanner
|
||||
* @update gess 5/11/98
|
||||
* @param aChar last char read from scanner
|
||||
* @param aScanner is the input source
|
||||
* @param aToken is the next token (or null)
|
||||
* @return error code
|
||||
*/
|
||||
PRInt32 ConsumeEntity(PRUnichar aChar,CScanner& aScanner,CToken*& aToken);
|
||||
|
||||
/**
|
||||
* Retrieve a whitespace sequence from the given scanner
|
||||
* @update gess 5/11/98
|
||||
* @param aChar last char read from scanner
|
||||
* @param aScanner is the input source
|
||||
* @param aToken is the next token (or null)
|
||||
* @return error code
|
||||
*/
|
||||
PRInt32 ConsumeWhitespace(PRUnichar aChar,CScanner& aScanner,CToken*& aToken);
|
||||
|
||||
/**
|
||||
* Retrieve a comment from the given scanner
|
||||
* @update gess 5/11/98
|
||||
* @param aChar last char read from scanner
|
||||
* @param aScanner is the input source
|
||||
* @param aToken is the next token (or null)
|
||||
* @return error code
|
||||
*/
|
||||
PRInt32 ConsumeComment(PRUnichar aChar,CScanner& aScanner,CToken*& aToken);
|
||||
|
||||
/**
|
||||
* Retrieve newlines from given scanner
|
||||
* @update gess 5/11/98
|
||||
* @param aChar last char read from scanner
|
||||
* @param aScanner is the input source
|
||||
* @param aToken is the next token (or null)
|
||||
* @return error code
|
||||
*/
|
||||
PRInt32 ConsumeNewline(PRUnichar aChar,CScanner& aScanner,CToken*& aToken);
|
||||
|
||||
/**
|
||||
* Causes content to be skipped up to sequence contained in aString.
|
||||
* @update gess 5/11/98
|
||||
* @param aString ????
|
||||
* @param aChar last char read from scanner
|
||||
* @param aScanner is the input source
|
||||
* @param aToken is the next token (or null)
|
||||
* @return error code
|
||||
*/
|
||||
virtual PRInt32 ConsumeContentToEndTag(const nsString& aString,PRUnichar aChar,CScanner& aScanner,CToken*& aToken);
|
||||
|
||||
nsDeque mTokenDeque;
|
||||
|
||||
};
|
||||
|
||||
|
|
|
|||
|
|
@ -879,7 +879,7 @@ PRBool nsHTMLParser::HandleSkippedContentToken(CToken* aToken) {
|
|||
|
||||
PRBool result=PR_TRUE;
|
||||
|
||||
if(IsWithinBody()) {
|
||||
if(HasOpenContainer(eHTMLTag_body)) {
|
||||
nsCParserNode aNode((CHTMLToken*)aToken);
|
||||
result=AddLeaf(aNode);
|
||||
}
|
||||
|
|
@ -937,22 +937,6 @@ PRBool nsHTMLParser::HandleStyleToken(CToken* aToken){
|
|||
return result;
|
||||
}
|
||||
|
||||
/**
|
||||
* This method gets called to determine whether a given
|
||||
* tag is itself a container
|
||||
*
|
||||
* @update gess 3/25/98
|
||||
* @param aTag -- tag to test for containership
|
||||
* @return PR_TRUE if given tag can contain other tags
|
||||
*/
|
||||
PRBool nsHTMLParser::IsWithinBody(void) const {
|
||||
for(int i=0;i<mContextStackPos;i++) {
|
||||
if(eHTMLTag_body==mContextStack[i])
|
||||
return PR_TRUE;
|
||||
}
|
||||
return PR_FALSE;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* This method does two things: 1st, help construct
|
||||
|
|
|
|||
|
|
@ -81,82 +81,427 @@ class nsHTMLParser : public nsIParser {
|
|||
friend class CTokenHandler;
|
||||
|
||||
NS_DECL_ISUPPORTS
|
||||
nsHTMLParser();
|
||||
~nsHTMLParser();
|
||||
virtual nsIContentSink* SetContentSink(nsIContentSink* aSink);
|
||||
virtual PRBool Parse(nsIURL* aURL);
|
||||
virtual PRBool Parse(nsIURL* aURL,eParseMode aMode);
|
||||
virtual PRBool ResumeParse();
|
||||
virtual PRInt32 GetStack(PRInt32* aStackPtr);
|
||||
virtual PRBool HasOpenContainer(PRInt32 aContainer) const;
|
||||
|
||||
|
||||
PRBool HandleStartToken(CToken* aToken);
|
||||
PRBool HandleDefaultStartToken(CToken* aToken,eHTMLTags aChildTag,nsCParserNode& aNode);
|
||||
PRBool HandleEndToken(CToken* aToken);
|
||||
PRBool HandleEntityToken(CToken* aToken);
|
||||
PRBool HandleCommentToken(CToken* aToken);
|
||||
PRBool HandleSkippedContentToken(CToken* aToken);
|
||||
PRBool HandleAttributeToken(CToken* aToken);
|
||||
PRBool HandleScriptToken(CToken* aToken);
|
||||
PRBool HandleStyleToken(CToken* aToken);
|
||||
/**
|
||||
* default constructor
|
||||
* @update gess5/11/98
|
||||
*/
|
||||
nsHTMLParser();
|
||||
|
||||
PRBool IsWithinBody(void) const;
|
||||
|
||||
protected:
|
||||
PRBool IterateTokens();
|
||||
eHTMLTags NodeAt(PRInt32 aPos) const;
|
||||
eHTMLTags GetTopNode() const;
|
||||
PRInt32 GetStackPos() const;
|
||||
/**
|
||||
* Destructor
|
||||
* @update gess5/11/98
|
||||
*/
|
||||
~nsHTMLParser();
|
||||
|
||||
PRInt32 CollectAttributes(nsCParserNode& aNode);
|
||||
PRInt32 CollectSkippedContent(nsCParserNode& aNode);
|
||||
void InitializeDefaultTokenHandlers();
|
||||
CTokenHandler* GetTokenHandler(const nsString& aString) const;
|
||||
CTokenHandler* GetTokenHandler(eHTMLTokenTypes aType) const;
|
||||
CTokenHandler* AddTokenHandler(CTokenHandler* aHandler);
|
||||
nsHTMLParser& DeleteTokenHandlers(void);
|
||||
/**
|
||||
* Select given content sink into parser for parser output
|
||||
* @update gess5/11/98
|
||||
* @param aSink is the new sink to be used by parser
|
||||
* @return old sink, or NULL
|
||||
*/
|
||||
virtual nsIContentSink* SetContentSink(nsIContentSink* aSink);
|
||||
|
||||
protected:
|
||||
/**
|
||||
* Cause parser to parse input from given URL
|
||||
* @update gess5/11/98
|
||||
* @param aURL is a descriptor for source document
|
||||
* @return TRUE if all went well -- FALSE otherwise
|
||||
*/
|
||||
virtual PRBool Parse(nsIURL* aURL);
|
||||
|
||||
//these cover methods mimic the sink, and are used
|
||||
//by the parser to manage its context-stack.
|
||||
/**
|
||||
* Cause parser to parse input from given URL in given mode
|
||||
* @update gess5/11/98
|
||||
* @param aURL is a descriptor for source document
|
||||
* @param aMode is the desired parser mode (Nav, other, etc.)
|
||||
* @return TRUE if all went well -- FALSE otherwise
|
||||
*/
|
||||
virtual PRBool Parse(nsIURL* aURL,eParseMode aMode);
|
||||
|
||||
PRBool OpenHTML(const nsIParserNode& aNode);
|
||||
PRBool CloseHTML(const nsIParserNode& aNode);
|
||||
PRBool OpenHead(const nsIParserNode& aNode);
|
||||
PRBool CloseHead(const nsIParserNode& aNode);
|
||||
PRBool OpenBody(const nsIParserNode& aNode);
|
||||
PRBool CloseBody(const nsIParserNode& aNode);
|
||||
PRBool OpenForm(const nsIParserNode& aNode);
|
||||
PRBool CloseForm(const nsIParserNode& aNode);
|
||||
PRBool OpenFrameset(const nsIParserNode& aNode);
|
||||
PRBool CloseFrameset(const nsIParserNode& aNode);
|
||||
PRBool OpenContainer(const nsIParserNode& aNode);
|
||||
PRBool CloseContainer(const nsIParserNode& aNode);
|
||||
PRBool CloseTopmostContainer();
|
||||
PRBool CloseContainersTo(eHTMLTags aTag);
|
||||
PRBool CloseContainersTo(PRInt32 anIndex);
|
||||
PRBool AddLeaf(const nsIParserNode& aNode);
|
||||
PRBool IsOpen(eHTMLTags aTag) const;
|
||||
PRInt32 GetTopmostIndex(eHTMLTags aTag) const;
|
||||
PRBool ReduceContextStackFor(PRInt32 aChildTag);
|
||||
PRBool CreateContextStackFor(PRInt32 aChildTag);
|
||||
/**
|
||||
* This method gets called (automatically) during incremental parsing
|
||||
* @update gess5/11/98
|
||||
* @return TRUE if all went well, otherwise FALSE
|
||||
*/
|
||||
virtual PRBool ResumeParse();
|
||||
|
||||
nsIHTMLContentSink* mSink;
|
||||
CTokenizer* mTokenizer;
|
||||
/**
|
||||
* Retrieve ptr to internal context vector stack
|
||||
* @update gess5/11/98
|
||||
* @param stack ptr to be set
|
||||
* @return count of items on stack (may be 0)
|
||||
*/
|
||||
virtual PRInt32 GetStack(PRInt32* aStackPtr);
|
||||
|
||||
// eHTMLTags mContextStack[50];
|
||||
PRInt32 mContextStack[50];
|
||||
PRInt32 mContextStackPos;
|
||||
/**
|
||||
* Ask parser if a given container is open ANYWHERE on stack
|
||||
* @update gess5/11/98
|
||||
* @param id of container you want to test for
|
||||
* @return TRUE if the given container type is open -- otherwise FALSE
|
||||
*/
|
||||
virtual PRBool HasOpenContainer(PRInt32 aContainer) const;
|
||||
|
||||
CTokenHandler* mTokenHandlers[100];
|
||||
PRInt32 mTokenHandlerCount;
|
||||
nsDequeIterator* mCurrentPos;
|
||||
|
||||
nsIDTD* mDTD;
|
||||
eParseMode mParseMode;
|
||||
PRBool mHasOpenForm;
|
||||
/**
|
||||
* This method gets called when a start token has been consumed and needs
|
||||
* to be handled (possibly added to content model via sink).
|
||||
* @update gess5/11/98
|
||||
* @param aToken is the start token to be handled
|
||||
* @return TRUE if the token was handled.
|
||||
*/
|
||||
PRBool HandleStartToken(CToken* aToken);
|
||||
|
||||
/**
|
||||
* This method gets called when a start token has been consumed, and
|
||||
* we want to use default start token handling behavior.
|
||||
* This method gets called automatically by handleStartToken.
|
||||
*
|
||||
* @update gess5/11/98
|
||||
* @param aToken is the start token to be handled
|
||||
* @param aChildTag is the tag-type of given token
|
||||
* @param aNode is a node be updated with info from given token
|
||||
* @return TRUE if the token was handled.
|
||||
*/
|
||||
PRBool HandleDefaultStartToken(CToken* aToken,eHTMLTags aChildTag,nsCParserNode& aNode);
|
||||
|
||||
/**
|
||||
* This method gets called when an end token has been consumed and needs
|
||||
* to be handled (possibly added to content model via sink).
|
||||
* @update gess5/11/98
|
||||
* @param aToken is the end token to be handled
|
||||
* @return TRUE if the token was handled.
|
||||
*/
|
||||
PRBool HandleEndToken(CToken* aToken);
|
||||
|
||||
/**
|
||||
* This method gets called when an entity token has been consumed and needs
|
||||
* to be handled (possibly added to content model via sink).
|
||||
* @update gess5/11/98
|
||||
* @param aToken is the entity token to be handled
|
||||
* @return TRUE if the token was handled.
|
||||
*/
|
||||
PRBool HandleEntityToken(CToken* aToken);
|
||||
|
||||
/**
|
||||
* This method gets called when a comment token has been consumed and needs
|
||||
* to be handled (possibly added to content model via sink).
|
||||
* @update gess5/11/98
|
||||
* @param aToken is the comment token to be handled
|
||||
* @return TRUE if the token was handled.
|
||||
*/
|
||||
PRBool HandleCommentToken(CToken* aToken);
|
||||
|
||||
/**
|
||||
* This method gets called when a skipped-content token has been consumed and needs
|
||||
* to be handled (possibly added to content model via sink).
|
||||
* @update gess5/11/98
|
||||
* @param aToken is the skipped-content token to be handled
|
||||
* @return TRUE if the token was handled.
|
||||
*/
|
||||
PRBool HandleSkippedContentToken(CToken* aToken);
|
||||
|
||||
/**
|
||||
* This method gets called when an attribute token has been consumed and needs
|
||||
* to be handled (possibly added to content model via sink).
|
||||
* @update gess5/11/98
|
||||
* @param aToken is the attribute token to be handled
|
||||
* @return TRUE if the token was handled.
|
||||
*/
|
||||
PRBool HandleAttributeToken(CToken* aToken);
|
||||
|
||||
/**
|
||||
* This method gets called when a script token has been consumed and needs
|
||||
* to be handled (possibly added to content model via sink).
|
||||
* @update gess5/11/98
|
||||
* @param aToken is the script token to be handled
|
||||
* @return TRUE if the token was handled.
|
||||
*/
|
||||
PRBool HandleScriptToken(CToken* aToken);
|
||||
|
||||
/**
|
||||
* This method gets called when a style token has been consumed and needs
|
||||
* to be handled (possibly added to content model via sink).
|
||||
* @update gess5/11/98
|
||||
* @param aToken is the style token to be handled
|
||||
* @return TRUE if the token was handled.
|
||||
*/
|
||||
PRBool HandleStyleToken(CToken* aToken);
|
||||
|
||||
|
||||
protected:
|
||||
|
||||
/**
|
||||
* This method gets called when the tokens have been consumed, and it's time
|
||||
* to build the model via the content sink.
|
||||
* @update gess5/11/98
|
||||
* @return YES if model building went well -- NO otherwise.
|
||||
*/
|
||||
PRBool IterateTokens();
|
||||
|
||||
/**
|
||||
* Retrieves the tag type for the element on the context vector stack at given pos.
|
||||
* @update gess5/11/98
|
||||
* @param pos of item you want to retrieve
|
||||
* @return tag type (may be unknown)
|
||||
*/
|
||||
eHTMLTags NodeAt(PRInt32 aPos) const;
|
||||
|
||||
/**
|
||||
* Retrieve the tag type of the topmost item on context vector stack
|
||||
* @update gess5/11/98
|
||||
* @return tag type (may be unknown)
|
||||
*/
|
||||
eHTMLTags GetTopNode() const;
|
||||
|
||||
/**
|
||||
* Retrieve the number of items on context vector stack
|
||||
* @update gess5/11/98
|
||||
* @return count of items on stack -- may be 0
|
||||
*/
|
||||
PRInt32 GetStackPos() const;
|
||||
|
||||
/**
|
||||
* Causes the parser to scan foward, collecting nearby (sequential)
|
||||
* attribute tokens into the given node.
|
||||
* @update gess5/11/98
|
||||
* @param node to store attributes
|
||||
* @return number of attributes added to node.
|
||||
*/
|
||||
PRInt32 CollectAttributes(nsCParserNode& aNode);
|
||||
|
||||
/**
|
||||
* Causes the next skipped-content token (if any) to
|
||||
* be consumed by this node.
|
||||
* @update gess5/11/98
|
||||
* @param node to consume skipped-content
|
||||
* @return number of skipped-content tokens consumed.
|
||||
*/
|
||||
PRInt32 CollectSkippedContent(nsCParserNode& aNode);
|
||||
|
||||
/**
|
||||
* Causes token handlers to be registered for this parser.
|
||||
* DO NOT CALL THIS! IT'S DEPRECATED!
|
||||
* @update gess5/11/98
|
||||
*/
|
||||
void InitializeDefaultTokenHandlers();
|
||||
|
||||
/**
|
||||
* DEPRECATED
|
||||
* @update gess5/11/98
|
||||
*/
|
||||
CTokenHandler* GetTokenHandler(const nsString& aString) const;
|
||||
|
||||
/**
|
||||
* DEPRECATED
|
||||
* @update gess5/11/98
|
||||
*/
|
||||
CTokenHandler* GetTokenHandler(eHTMLTokenTypes aType) const;
|
||||
|
||||
/**
|
||||
* DEPRECATED
|
||||
* @update gess5/11/98
|
||||
*/
|
||||
CTokenHandler* AddTokenHandler(CTokenHandler* aHandler);
|
||||
|
||||
/**
|
||||
* DEPRECATED
|
||||
* @update gess5/11/98
|
||||
*/
|
||||
nsHTMLParser& DeleteTokenHandlers(void);
|
||||
|
||||
//*************************************************
|
||||
//these cover methods mimic the sink, and are used
|
||||
//by the parser to manage its context-stack.
|
||||
//*************************************************
|
||||
|
||||
/**
|
||||
* This cover method opens the given node as a HTML item in
|
||||
* content sink.
|
||||
* @update gess5/11/98
|
||||
* @param HTML (node) to be opened in content sink.
|
||||
* @return TRUE if all went well.
|
||||
*/
|
||||
PRBool OpenHTML(const nsIParserNode& aNode);
|
||||
|
||||
/**
|
||||
*
|
||||
* @update gess5/11/98
|
||||
* @param
|
||||
* @return
|
||||
*/
|
||||
PRBool CloseHTML(const nsIParserNode& aNode);
|
||||
|
||||
/**
|
||||
* This cover method opens the given node as a head item in
|
||||
* content sink.
|
||||
* @update gess5/11/98
|
||||
* @param HEAD (node) to be opened in content sink.
|
||||
* @return TRUE if all went well.
|
||||
*/
|
||||
PRBool OpenHead(const nsIParserNode& aNode);
|
||||
|
||||
/**
|
||||
* This cover method causes the content-sink head to be closed
|
||||
* @update gess5/11/98
|
||||
* @param aNode is the node to be closed in sink (usually ignored)
|
||||
* @return TRUE if all went well.
|
||||
*/
|
||||
PRBool CloseHead(const nsIParserNode& aNode);
|
||||
|
||||
/**
|
||||
* This cover method opens the given node as a body item in
|
||||
* content sink.
|
||||
* @update gess5/11/98
|
||||
* @param BODY (node) to be opened in content sink.
|
||||
* @return TRUE if all went well.
|
||||
*/
|
||||
PRBool OpenBody(const nsIParserNode& aNode);
|
||||
|
||||
/**
|
||||
* This cover method causes the content-sink body to be closed
|
||||
* @update gess5/11/98
|
||||
* @param aNode is the body node to be closed in sink (usually ignored)
|
||||
* @return TRUE if all went well.
|
||||
*/
|
||||
PRBool CloseBody(const nsIParserNode& aNode);
|
||||
|
||||
/**
|
||||
* This cover method opens the given node as a form item in
|
||||
* content sink.
|
||||
* @update gess5/11/98
|
||||
* @param FORM (node) to be opened in content sink.
|
||||
* @return TRUE if all went well.
|
||||
*/
|
||||
PRBool OpenForm(const nsIParserNode& aNode);
|
||||
|
||||
/**
|
||||
* This cover method causes the content-sink form to be closed
|
||||
* @update gess5/11/98
|
||||
* @param aNode is the form node to be closed in sink (usually ignored)
|
||||
* @return TRUE if all went well.
|
||||
*/
|
||||
PRBool CloseForm(const nsIParserNode& aNode);
|
||||
|
||||
/**
|
||||
* This cover method opens the given node as a frameset item in
|
||||
* content sink.
|
||||
* @update gess5/11/98
|
||||
* @param FRAMESET (node) to be opened in content sink.
|
||||
* @return TRUE if all went well.
|
||||
*/
|
||||
PRBool OpenFrameset(const nsIParserNode& aNode);
|
||||
|
||||
/**
|
||||
* This cover method causes the content-sink frameset to be closed
|
||||
* @update gess5/11/98
|
||||
* @param aNode is the frameeset node to be closed in sink (usually ignored)
|
||||
* @return TRUE if all went well.
|
||||
*/
|
||||
PRBool CloseFrameset(const nsIParserNode& aNode);
|
||||
|
||||
/**
|
||||
* This cover method opens the given node as a generic container in
|
||||
* content sink.
|
||||
* @update gess5/11/98
|
||||
* @param generic container (node) to be opened in content sink.
|
||||
* @return TRUE if all went well.
|
||||
*/
|
||||
PRBool OpenContainer(const nsIParserNode& aNode);
|
||||
|
||||
/**
|
||||
* This cover method causes a generic containre in the content-sink to be closed
|
||||
* @update gess5/11/98
|
||||
* @param aNode is the node to be closed in sink (usually ignored)
|
||||
* @return TRUE if all went well.
|
||||
*/
|
||||
PRBool CloseContainer(const nsIParserNode& aNode);
|
||||
|
||||
/**
|
||||
* This cover method causes the topmost container to be closed in sink
|
||||
* @update gess5/11/98
|
||||
* @return TRUE if all went well.
|
||||
*/
|
||||
PRBool CloseTopmostContainer();
|
||||
|
||||
/**
|
||||
* Cause all containers down to topmost given tag to be closed
|
||||
* @update gess5/11/98
|
||||
* @param aTag is the tag at which auto-closure should stop (inclusive)
|
||||
* @return TRUE if all went well -- otherwise FALSE
|
||||
*/
|
||||
PRBool CloseContainersTo(eHTMLTags aTag);
|
||||
|
||||
/**
|
||||
* Cause all containers down to given position to be closed
|
||||
* @update gess5/11/98
|
||||
* @param anIndex is the stack pos at which auto-closure should stop (inclusive)
|
||||
* @return TRUE if all went well -- otherwise FALSE
|
||||
*/
|
||||
PRBool CloseContainersTo(PRInt32 anIndex);
|
||||
|
||||
/**
|
||||
* Causes leaf to be added to sink at current vector pos.
|
||||
* @update gess5/11/98
|
||||
* @param aNode is leaf node to be added.
|
||||
* @return TRUE if all went well -- FALSE otherwise.
|
||||
*/
|
||||
PRBool AddLeaf(const nsIParserNode& aNode);
|
||||
|
||||
/**
|
||||
* Determine if the given tag is open in the context vector stack.
|
||||
* @update gess5/11/98
|
||||
* @param aTag is the type of tag you want to test for openness
|
||||
* @return TRUE if open, FALSE otherwise.
|
||||
*/
|
||||
PRBool IsOpen(eHTMLTags aTag) const;
|
||||
|
||||
/**
|
||||
* Finds the topmost occurance of given tag within context vector stack.
|
||||
* @update gess5/11/98
|
||||
* @param tag to be found
|
||||
* @return index of topmost tag occurance -- may be -1 (kNotFound).
|
||||
*/
|
||||
PRInt32 GetTopmostIndex(eHTMLTags aTag) const;
|
||||
|
||||
/**
|
||||
* Causes auto-closures of context vector stack in order to find a
|
||||
* proper home for the given child. Propagation may also occur as
|
||||
* a fall out.
|
||||
* @update gess5/11/98
|
||||
* @param child to be added (somewhere) to context vector stack.
|
||||
* @return TRUE if succeeds, otherwise FALSE
|
||||
*/
|
||||
PRBool ReduceContextStackFor(PRInt32 aChildTag);
|
||||
|
||||
/**
|
||||
* Attempt forward and/or backward propagation for the given
|
||||
* child within the current context vector stack.
|
||||
* @update gess5/11/98
|
||||
* @param type of child to be propagated.
|
||||
* @return TRUE if succeeds, otherwise FALSE
|
||||
*/
|
||||
PRBool CreateContextStackFor(PRInt32 aChildTag);
|
||||
|
||||
//*********************************************
|
||||
// And now, some data members...
|
||||
//*********************************************
|
||||
|
||||
nsIHTMLContentSink* mSink;
|
||||
CTokenizer* mTokenizer;
|
||||
|
||||
PRInt32 mContextStack[50];
|
||||
PRInt32 mContextStackPos;
|
||||
|
||||
CTokenHandler* mTokenHandlers[100];
|
||||
PRInt32 mTokenHandlerCount;
|
||||
nsDequeIterator* mCurrentPos;
|
||||
|
||||
nsIDTD* mDTD;
|
||||
eParseMode mParseMode;
|
||||
PRBool mHasOpenForm;
|
||||
};
|
||||
|
||||
|
||||
|
|
|
|||
|
|
@ -52,21 +52,72 @@ class nsIParserNode {
|
|||
|
||||
public:
|
||||
|
||||
virtual const nsString& GetName() const =0; //to get name of tag
|
||||
virtual const nsString& GetText() const =0; //get plain text if available
|
||||
virtual const nsString& GetSkippedContent() const =0;
|
||||
|
||||
//methods for determining the type of parser node...
|
||||
virtual PRInt32 GetNodeType() const =0;
|
||||
virtual PRInt32 GetTokenType() const =0;
|
||||
/**
|
||||
* Retrieve the name of the node
|
||||
* @update gess5/11/98
|
||||
* @return string containing node name
|
||||
*/
|
||||
virtual const nsString& GetName() const =0; //to get name of tag
|
||||
|
||||
//methods for accessing key/value pairs
|
||||
virtual PRInt32 GetAttributeCount(void) const =0;
|
||||
virtual const nsString& GetKeyAt(PRInt32 anIndex) const =0;
|
||||
virtual const nsString& GetValueAt(PRInt32 anIndex) const =0;
|
||||
/**
|
||||
* Retrieve the text from the given node
|
||||
* @update gess5/11/98
|
||||
* @return string containing node text
|
||||
*/
|
||||
virtual const nsString& GetText() const =0; //get plain text if available
|
||||
|
||||
// When the node is an entity, this will translate the entity to
|
||||
// it's unicode value.
|
||||
/**
|
||||
* Retrieve skipped context from node
|
||||
* @update gess5/11/98
|
||||
* @return string containing skipped content
|
||||
*/
|
||||
virtual const nsString& GetSkippedContent() const =0;
|
||||
|
||||
/**
|
||||
* Retrieve the type of the parser node.
|
||||
* @update gess5/11/98
|
||||
* @return node type.
|
||||
*/
|
||||
virtual PRInt32 GetNodeType() const =0;
|
||||
|
||||
/**
|
||||
* Retrieve token type of parser node
|
||||
* @update gess5/11/98
|
||||
* @return token type
|
||||
*/
|
||||
virtual PRInt32 GetTokenType() const =0;
|
||||
|
||||
/**
|
||||
* Retrieve the number of attributes in this node.
|
||||
* @update gess5/11/98
|
||||
* @return count of attributes (may be 0)
|
||||
*/
|
||||
virtual PRInt32 GetAttributeCount(void) const =0;
|
||||
|
||||
/**
|
||||
* Retrieve the key (of key/value pair) at given index
|
||||
* @update gess5/11/98
|
||||
* @param anIndex is the index of the key you want
|
||||
* @return string containing key.
|
||||
*/
|
||||
virtual const nsString& GetKeyAt(PRInt32 anIndex) const =0;
|
||||
|
||||
/**
|
||||
* Retrieve the value (of key/value pair) at given index
|
||||
* @update gess5/11/98
|
||||
* @param anIndex is the index of the value you want
|
||||
* @return string containing value.
|
||||
*/
|
||||
virtual const nsString& GetValueAt(PRInt32 anIndex) const =0;
|
||||
|
||||
/**
|
||||
* NOTE: When the node is an entity, this will translate the entity
|
||||
* to it's unicode value, and store it in aString.
|
||||
* @update gess5/11/98
|
||||
* @param aString will contain the resulting unicode string value
|
||||
* @return int (unicode char or unicode index from table)
|
||||
*/
|
||||
virtual PRInt32 TranslateToUnicodeStr(nsString& aString) const = 0;
|
||||
};
|
||||
|
||||
|
|
|
|||
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