X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/caea1cb79522539ecb96d794e58664a2c1eba55d..855f31ebe72bef834a32df2c274b41fb282ad265:/include/wx/html/htmlpars.h diff --git a/include/wx/html/htmlpars.h b/include/wx/html/htmlpars.h index 29b41ec567..96c357639f 100644 --- a/include/wx/html/htmlpars.h +++ b/include/wx/html/htmlpars.h @@ -7,14 +7,9 @@ // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// - #ifndef _WX_HTMLPARS_H_ #define _WX_HTMLPARS_H_ -#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) -#pragma interface "htmlpars.h" -#endif - #include "wx/defs.h" #if wxUSE_HTML @@ -40,7 +35,7 @@ enum wxHtmlURLType }; // This class handles generic parsing of HTML document : it scans -// the document and divide it into blocks of tags (where one block +// the document and divides it into blocks of tags (where one block // consists of starting and ending tag and of text between these // 2 tags. class WXDLLIMPEXP_HTML wxHtmlParser : public wxObject @@ -57,14 +52,14 @@ public: wxFileSystem* GetFS() const { return m_FS; } // Opens file if the parser is allowed to open given URL (may be forbidden - // for security reasons) + // for security reasons) virtual wxFSFile *OpenURL(wxHtmlURLType type, const wxString& url) const; // You can simply call this method when you need parsed output. // This method does these things: // 1. call InitParser(source); // 2. call DoParsing(); - // 3. call GetProduct(); (it's return value is then returned) + // 3. call GetProduct(); (its return value is then returned) // 4. call DoneParser(); wxObject* Parse(const wxString& source); @@ -72,9 +67,9 @@ public: virtual void InitParser(const wxString& source); // This must be called after Parse(). virtual void DoneParser(); - + // May be called during parsing to immediately return from Parse(). - virtual void StopParsing() { m_stopParsing = TRUE; } + virtual void StopParsing() { m_stopParsing = true; } // Parses the m_Source from begin_pos to end_pos-1. // (in noparams version it parses whole m_Source) @@ -93,7 +88,7 @@ public: // adds handler to the list & hash table of handlers. virtual void AddTagHandler(wxHtmlTagHandler *handler); - // Forces the handler to handle additional tags (not returned by GetSupportedTags). + // Forces the handler to handle additional tags (not returned by GetSupportedTags). // The handler should already be in use by this parser. // Example: you want to parse following pseudo-html structure: // @@ -101,31 +96,35 @@ public: // // // This last it has different meaning, we don't want it to be parsed by myitems handler! - // handler can handle only 'myitems' (e.g. it's GetSupportedTags returns "MYITEMS") + // handler can handle only 'myitems' (e.g. its GetSupportedTags returns "MYITEMS") // you can call PushTagHandler(handler, "IT") when you find // and call PopTagHandler() when you find - void PushTagHandler(wxHtmlTagHandler *handler, wxString tags); + void PushTagHandler(wxHtmlTagHandler *handler, const wxString& tags); // Restores state before last call to PushTagHandler void PopTagHandler(); wxString* GetSource() {return &m_Source;} void SetSource(const wxString& src); - - // Sets HTML source and remebers current parser's state so that it can - // later be restored. This is useful for on-line modifications of + + // Sets HTML source and remembers current parser's state so that it can + // later be restored. This is useful for on-line modifications of // HTML source (for example,
 handler replaces spaces with  
     // and newlines with 
) virtual void SetSourceAndSaveState(const wxString& src); - // Restores parser's state from stack or returns FALSE if the stack is + // Restores parser's state from stack or returns false if the stack is // empty virtual bool RestoreState(); - + + // Returns HTML source inside the element (i.e. between the starting + // and ending tag) + wxString GetInnerSource(const wxHtmlTag& tag); + // Parses HTML string 'markup' and extracts charset info from tag // if present. Returns empty string if the tag is missing. // For wxHTML's internal use. static wxString ExtractCharsetInformation(const wxString& markup); - + // Returns entity parser object, used to substitute HTML &entities; wxHtmlEntitiesParser *GetEntitiesParser() const { return m_entitiesParser; } @@ -134,7 +133,7 @@ protected: void CreateDOMTree(); void DestroyDOMTree(); void CreateDOMSubTree(wxHtmlTag *cur, - int begin_pos, int end_pos, + int begin_pos, int end_pos, wxHtmlTagsCache *cache); // Adds text to the output. @@ -159,9 +158,9 @@ protected: size_t m_CurTextPiece; wxString m_Source; - + wxHtmlParserState *m_SavedStates; - + // handlers that handle particular tags. The table is accessed by // key = tag's name. // This attribute MUST be filled by derived class otherwise it would @@ -180,10 +179,10 @@ protected: wxFileSystem *m_FS; // handlers stack used by PushTagHandler and PopTagHandler wxList *m_HandlersStack; - + // entity parse wxHtmlEntitiesParser *m_entitiesParser; - + // flag indicating that the parser should stop bool m_stopParsing; }; @@ -194,7 +193,7 @@ protected: // Each recognized tag is passed to handler which is capable // of handling it. Each tag is handled in 3 steps: // 1. Handler will modifies state of parser -// (using it's public methods) +// (using its public methods) // 2. Parser parses source between starting and ending tag // 3. Handler restores original state of the parser class WXDLLIMPEXP_HTML wxHtmlTagHandler : public wxObject @@ -208,7 +207,7 @@ public: // NOTE : each _instance_ of handler is guaranteed to be called // only by one parser. This means you don't have to care about // reentrancy. - virtual void SetParser(wxHtmlParser *parser) + virtual void SetParser(wxHtmlParser *parser) { m_Parser = parser; } // Returns list of supported tags. The list is in uppercase and @@ -219,16 +218,22 @@ public: // This is hadling core method. It does all the Steps 1-3. // To process step 2, you can call ParseInner() - // returned value : TRUE if it called ParseInner(), - // FALSE etherwise + // returned value : true if it called ParseInner(), + // false etherwise virtual bool HandleTag(const wxHtmlTag& tag) = 0; protected: // parses input between beginning and ending tag. // m_Parser must be set. - void ParseInner(const wxHtmlTag& tag) + void ParseInner(const wxHtmlTag& tag) { m_Parser->DoParsing(tag.GetBeginPos(), tag.GetEndPos1()); } + // Parses given source as if it was tag's inner code (see + // wxHtmlParser::GetInnerSource). Unlike ParseInner(), this method lets + // you specify the source code to parse. This is useful when you need to + // modify the inner text before parsing. + void ParseInnerSource(const wxString& source); + wxHtmlParser *m_Parser; DECLARE_NO_COPY_CLASS(wxHtmlTagHandler) @@ -244,11 +249,11 @@ class WXDLLIMPEXP_HTML wxHtmlEntitiesParser : public wxObject public: wxHtmlEntitiesParser(); virtual ~wxHtmlEntitiesParser(); - + // Sets encoding of output string. // Has no effect if wxUSE_WCHAR_T==0 or wxUSE_UNICODE==1 void SetEncoding(wxFontEncoding encoding); - + // Parses entities in input and replaces them with respective characters // (with respect to output encoding) wxString Parse(const wxString& input);