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|
/*
/--------------------------------------------------------------------
|
| $Id: plurlsrc.h,v 1.4 2004/08/20 14:39:38 uzadow Exp $
|
| Copyright (c) 1996-2002 Ulrich von Zadow
|
\--------------------------------------------------------------------
*/
#ifndef INCL_PLURLSRC
#define INCL_PLURLSRC
#ifndef INCL_PLDATASRC
#include "pldatasrc.h"
#endif
#include <string>
#include <curl/curl.h>
// Internal singleton class that initializes and deinitializes curl
class PLCurlInitializer
{
public:
CURL * getHandle();
void finalize();
private:
friend class PLURLSource;
PLCurlInitializer();
~PLCurlInitializer();
CURL * m_CurlHandle;
};
// This is a class which takes a URL as a source of
// picture data.
class PLURLSource : public PLDataSource
{
public:
//!
PLURLSource
();
//!
virtual ~PLURLSource
();
//!
virtual int Open(const char *pURL);
//!
virtual void Close
();
virtual PLBYTE * ReadNBytes
( int n
);
//! Read but don't advance file pointer.
virtual PLBYTE * GetBufferPtr
( int MinBytesInBuffer
);
//! This is a legacy routine that interferes with progress notifications.
//! Don't call it!
virtual PLBYTE * ReadEverything
();
virtual void Seek
( int n
);
const char * GetCurlErrStr ();
int GetCurlErrCode ();
private:
static size_t WriteCurlData(void *ptr, size_t size, size_t nmemb, void *stream);
const std::string httpErr2Str(int HTTPCode);
// So curl gets initialized once only.
static PLCurlInitializer s_CurlInitializer;
std::string m_RawData;
int m_CurPos;
std::string m_sErrStr;
int m_ErrCode;
};
#endif
/*
/--------------------------------------------------------------------
|
| $Log: plurlsrc.h,v $
| Revision 1.4 2004/08/20 14:39:38 uzadow
| Added rle format to sgi decoder. Doesn't work yet, though.
|
| Revision 1.3 2003/04/20 12:44:47 uzadow
| Added EXIF documentation.
|
| Revision 1.2 2003/04/14 10:48:19 uzadow
| Added connection reuse capability to PLURLSource.
|
| Revision 1.1 2003/02/15 21:26:58 uzadow
| Added win32 version of url data source.
|
|
\--------------------------------------------------------------------
*/
|
