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HTMLExtractor.h
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1997-06-26
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/*------------------------------------------------------------------------------
#
# NewsTicker, my Hack for 1997
#
# HTMLExtractor.h - Base class to read an HTML page in, and parse
# out the interesting stuff. Useless on its own,
# only exists to be derived..
#
------------------------------------------------------------------------------*/
#ifndef HTMLEXTRACTOR_H
#define HTMLEXTRACTOR_H
// We can only use SubWoofer under PowerPC
#ifdef powerc
// Disable this to use our own OT code
#define USESUBWOOFER
#endif
//+++Inc - Includes for files not directly related to this project
#include <OpenTransport.h>
#include <OpenTptInternet.h>
#include <Types.h>
#include "TickerGlobals.h"
//These actually read the stuff in
class SubWooferEndPoint;
class HTTPEndPoint;
// read a whole HTML file in, and parse it
#define tempmaxHeadlines 50
class HTMLExtractor
{
protected:
#ifdef USESUBWOOFER
SubWooferEndPoint* mfWebPipe;
#else
HTTPEndPoint* mfHTTPPipe;
#endif
Boolean mfDoingARead;
Boolean mfReadingHeader;
char mfAddress[32];
short mfIconID;
char thetext[2048];
short thetextsize;
char thetag[2048];
short thetagsize;
Str31 mfLastModified;
Boolean AmOnTag;
Boolean temp;
sMyDataPtr mfTheDataPtr;
sHeadline mfTempHeadlines[tempmaxHeadlines];
short mfTempHeadlineCount;
public:
HTMLExtractor (char* theaddress, short theIconID, sMyDataPtr theDataPtr);
virtual ~HTMLExtractor (void);
// Called by base app to read all entries in, or check header and see if it's changed
void ReadLastModified(void);
void GetLastModified (Str31 LastModStr);
// Called by base app to read all entries in
void ReadEntries (void);
// Called by endpoint as it gets strings
void ReceiveString (char* string, short numchars);
virtual void HandleToken(char* string, short numchars, Boolean isCommand);
void AddEntry(Str255 theSubject, Str255 theURL);
Boolean ParseGoodURL(char* thestring, Str255 theURL);
virtual void Disconnect(void);
void Cancel(void);
};
Boolean MyCompareStr(char* p1, char* p2);
void FindATag(char* tag, char* theLink, char* theMarker);
#endif //HTMLEXTRACTOR_H