X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/599a97e9ab9d9c1fca761d501ef101595e0ae486..6e264973e636cc41915d166cb7eddf2a7e72cf9b:/include/wx/html/htmlpars.h?ds=sidebyside diff --git a/include/wx/html/htmlpars.h b/include/wx/html/htmlpars.h index e234456d43..6a93d07ddb 100644 --- a/include/wx/html/htmlpars.h +++ b/include/wx/html/htmlpars.h @@ -12,7 +12,7 @@ #define _WX_HTMLPARS_H_ #ifdef __GNUG__ -#pragma interface +#pragma interface "htmlpars.h" #endif #include "wx/defs.h" @@ -36,97 +36,100 @@ class WXDLLEXPORT wxHtmlParser : public wxObject { DECLARE_ABSTRACT_CLASS(wxHtmlParser) - public: - wxHtmlParser() : wxObject(), m_HandlersHash(wxKEY_STRING) {m_FS = NULL; m_Cache = NULL; m_HandlersStack = NULL;} - virtual ~wxHtmlParser(); - - void SetFS(wxFileSystem *fs) {m_FS = fs;} - // Sets the class which will be used for opening files - wxFileSystem* GetFS() const {return m_FS;} - - wxObject* Parse(const wxString& source); - // 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) - // 4. call DoneParser(); - - virtual void InitParser(const wxString& source); - // Sets the source. This must be called before running Parse() method. - virtual void DoneParser(); - // This must be called after Parse(). - - void DoParsing(int begin_pos, int end_pos); - inline void DoParsing() {DoParsing(0, m_Source.Length());}; - // Parses the m_Source from begin_pos to end_pos-1. - // (in noparams version it parses whole m_Source) - - virtual wxObject* GetProduct() = 0; - // Returns product of parsing - // Returned value is result of parsing of the part. The type of this result - // depends on internal representation in derived parser - // (see wxHtmlWinParser for details). - - virtual void AddTagHandler(wxHtmlTagHandler *handler); - // adds handler to the list & hash table of handlers. - - void PushTagHandler(wxHtmlTagHandler *handler, wxString tags); - // 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: - // - // - // - // - // 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") - // you can call PushTagHandler(handler, "IT") when you find - // and call PopTagHandler() when you find - - void PopTagHandler(); - // Restores state before last call to PushTagHandler - - wxString* GetSource() {return &m_Source;} - - protected: - - virtual void AddText(const char* txt) = 0; - // Adds text to the output. - // This is called from Parse() and must be overriden in derived classes. - // txt is not guaranteed to be only one word. It is largest continuous part of text - // (= not broken by tags) - // NOTE : using char* because of speed improvements - - virtual void AddTag(const wxHtmlTag& tag); - // Adds tag and proceeds it. Parse() may (and usually is) called from this method. - // This is called from Parse() and may be overriden. - // Default behavior is that it looks for proper handler in m_Handlers. The tag is - // ignored if no hander is found. - // Derived class is *responsible* for filling in m_Handlers table. - - - protected: - wxString m_Source; - // source being parsed - wxHtmlTagsCache *m_Cache; - // tags cache, used during parsing. - wxHashTable m_HandlersHash; - wxList m_HandlersList; - // 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 - // be empty and no tags would be recognized - // (see wxHtmlWinParser for details about filling it) - // m_HandlersHash is for random access based on knowledge of tag name (BR, P, etc.) - // it may (and often does) contain more references to one object - // m_HandlersList is list of all handlers and it is guaranteed to contain - // only one reference to each handler instance. - wxFileSystem *m_FS; - // class for opening files (file system) - wxList *m_HandlersStack; - // handlers stack used by PushTagHandler and PopTagHandler - +public: + wxHtmlParser() : wxObject(), m_HandlersHash(wxKEY_STRING) + { m_FS = NULL; m_Cache = NULL; m_HandlersStack = NULL; } + virtual ~wxHtmlParser(); + + // Sets the class which will be used for opening files + void SetFS(wxFileSystem *fs) { m_FS = fs; } + + wxFileSystem* GetFS() const { return m_FS; } + + // 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) + // 4. call DoneParser(); + wxObject* Parse(const wxString& source); + + // Sets the source. This must be called before running Parse() method. + virtual void InitParser(const wxString& source); + // This must be called after Parse(). + virtual void DoneParser(); + + // Parses the m_Source from begin_pos to end_pos-1. + // (in noparams version it parses whole m_Source) + void DoParsing(int begin_pos, int end_pos); + inline void DoParsing() {DoParsing(0, m_Source.Length());}; + + // Returns product of parsing + // Returned value is result of parsing of the part. The type of this result + // depends on internal representation in derived parser + // (see wxHtmlWinParser for details). + virtual wxObject* GetProduct() = 0; + + // 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). + // The handler should already be in use by this parser. + // Example: you want to parse following pseudo-html structure: + // + // + // + // + // 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") + // you can call PushTagHandler(handler, "IT") when you find + // and call PopTagHandler() when you find + void PushTagHandler(wxHtmlTagHandler *handler, wxString tags); + + // Restores state before last call to PushTagHandler + void PopTagHandler(); + + wxString* GetSource() {return &m_Source;} + void SetSource(const wxString& src); + +protected: + // Adds text to the output. + // This is called from Parse() and must be overriden in derived classes. + // txt is not guaranteed to be only one word. It is largest continuous part of text + // (= not broken by tags) + // NOTE : using char* because of speed improvements + virtual void AddText(const char* txt) = 0; + + // Adds tag and proceeds it. Parse() may (and usually is) called from this method. + // This is called from Parse() and may be overriden. + // Default behavior is that it looks for proper handler in m_Handlers. The tag is + // ignored if no hander is found. + // Derived class is *responsible* for filling in m_Handlers table. + virtual void AddTag(const wxHtmlTag& tag); + +protected: + // source being parsed + wxString m_Source; + + // tags cache, used during parsing. + wxHtmlTagsCache *m_Cache; + wxHashTable m_HandlersHash; + + // 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 + // be empty and no tags would be recognized + // (see wxHtmlWinParser for details about filling it) + // m_HandlersHash is for random access based on knowledge of tag name (BR, P, etc.) + // it may (and often does) contain more references to one object + // m_HandlersList is list of all handlers and it is guaranteed to contain + // only one reference to each handler instance. + wxList m_HandlersList; + + // class for opening files (file system) + wxFileSystem *m_FS; + // handlers stack used by PushTagHandler and PopTagHandler + wxList *m_HandlersStack; }; @@ -149,34 +152,35 @@ class WXDLLEXPORT wxHtmlTagHandler : public wxObject { DECLARE_ABSTRACT_CLASS(wxHtmlTagHandler) - protected: - wxHtmlParser *m_Parser; - - public: - wxHtmlTagHandler() : wxObject () {m_Parser = NULL;}; - - virtual void SetParser(wxHtmlParser *parser) {m_Parser = parser;} - // Sets the parser. - // 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 wxString GetSupportedTags() = 0; - // Returns list of supported tags. The list is in uppercase and - // tags are delimited by ','. - // Example : "I,B,FONT,P" - // is capable of handling italic, bold, font and paragraph tags - - virtual bool HandleTag(const wxHtmlTag& tag) = 0; - // 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 - - protected: - void ParseInner(const wxHtmlTag& tag) {m_Parser -> DoParsing(tag.GetBeginPos(), tag.GetEndPos1());} - // parses input between beginning and ending tag. - // m_Parser must be set. +public: + wxHtmlTagHandler() : wxObject () { m_Parser = NULL; } + + // Sets the parser. + // 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) + { m_Parser = parser; } + + // Returns list of supported tags. The list is in uppercase and + // tags are delimited by ','. + // Example : "I,B,FONT,P" + // is capable of handling italic, bold, font and paragraph tags + virtual wxString GetSupportedTags() = 0; + + // 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 + 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) + { m_Parser->DoParsing(tag.GetBeginPos(), tag.GetEndPos1()); } + + wxHtmlParser *m_Parser; };