58 lines
1.2 KiB
C++
58 lines
1.2 KiB
C++
/*
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* Transport.h
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* Copyright 1999-2000 Y.Takagi. All Rights Reserved.
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*/
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#ifndef __TRANSPORT_H
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#define __TRANSPORT_H
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#include <image.h>
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#include <string>
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class BDataIO;
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class PrinterData;
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#if (!__MWERKS__ || defined(MSIPL_USING_NAMESPACE))
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using namespace std;
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#else
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#define std
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#endif
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extern "C" {
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typedef BDataIO *(*PFN_init_transport)(BMessage *);
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typedef void (*PFN_exit_transport)(void);
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}
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class TransportException {
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private:
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string fWhat;
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public:
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TransportException(const string &what_arg) : fWhat(what_arg) {}
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const char *what() const { return fWhat.c_str(); }
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};
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class Transport {
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public:
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Transport(const PrinterData *printer_data);
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~Transport();
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void write(const void *buffer, size_t size) throw(TransportException);
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bool check_abort() const;
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bool is_print_to_file_canceled() const;
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const string &last_error() const;
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protected:
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void set_last_error(const char *e);
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Transport(const Transport &);
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Transport &operator = (const Transport &);
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private:
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image_id fImage;
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PFN_init_transport fInitTransport;
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PFN_exit_transport fExitTransport;
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BDataIO *fDataStream;
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bool fAbort;
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string fLastErrorString;
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};
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#endif // __TRANSPORT_H
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