source: branches/help/CONVERTALN/input_format.h

Last change on this file was 16763, checked in by westram, 7 years ago
File size: 884 bytes
Line 
1#ifndef INPUT_FORMAT_H
2#define INPUT_FORMAT_H
3
4#ifndef SEQ_H
5#include "seq.h"
6#endif
7#ifndef DEFS_H
8#include "defs.h"
9#endif
10
11class FormatReader;
12
13struct OutputFormat {
14    virtual ~OutputFormat() { }
15    virtual Format format() const = 0;
16};
17
18// all input formats have to be output formats:
19class InputFormat : public OutputFormat, virtual Noncopyable {
20    mutable char *id; // id of entry (=short-name)
21
22    virtual char *create_id() const = 0;
23public:
24    InputFormat() : id(NULp) {}
25    ~InputFormat() OVERRIDE { freenull(id); }
26
27    virtual void reinit()                  = 0;
28    Format format() const OVERRIDE = 0;
29
30    const char *get_id() const {
31        if (!id) id = create_id();
32        return id;
33    }
34};
35
36typedef SmartPtr<InputFormat> InputFormatPtr;
37typedef SmartPtr<OutputFormat> OutputFormatPtr;
38
39#else
40#error input_format.h included twice
41#endif // INPUT_FORMAT_H
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