| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: wfstream.h |
| 3 | // Purpose: File stream classes |
| 4 | // Author: Guilhem Lavaux |
| 5 | // Modified by: |
| 6 | // Created: 11/07/98 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) Guilhem Lavaux |
| 9 | // Licence: wxWindows licence |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | #ifndef _WX_WXFSTREAM_H__ |
| 13 | #define _WX_WXFSTREAM_H__ |
| 14 | |
| 15 | #ifdef __GNUG__ |
| 16 | #pragma interface "wfstream.h" |
| 17 | #endif |
| 18 | |
| 19 | #include "wx/defs.h" |
| 20 | |
| 21 | #if wxUSE_STREAMS && wxUSE_FILE |
| 22 | |
| 23 | #include "wx/object.h" |
| 24 | #include "wx/string.h" |
| 25 | #include "wx/stream.h" |
| 26 | #include "wx/file.h" |
| 27 | #include "wx/ffile.h" |
| 28 | |
| 29 | // ---------------------------------------------------------------------------- |
| 30 | // wxFileStream using wxFile |
| 31 | // ---------------------------------------------------------------------------- |
| 32 | |
| 33 | class WXDLLEXPORT wxFileInputStream: public wxInputStream { |
| 34 | public: |
| 35 | wxFileInputStream(const wxString& ifileName); |
| 36 | wxFileInputStream(wxFile& file); |
| 37 | wxFileInputStream(int fd); |
| 38 | ~wxFileInputStream(); |
| 39 | |
| 40 | size_t GetSize() const; |
| 41 | |
| 42 | bool Ok() const { return m_file->IsOpened(); } |
| 43 | |
| 44 | protected: |
| 45 | wxFileInputStream(); |
| 46 | |
| 47 | size_t OnSysRead(void *buffer, size_t size); |
| 48 | off_t OnSysSeek(off_t pos, wxSeekMode mode); |
| 49 | off_t OnSysTell() const; |
| 50 | |
| 51 | protected: |
| 52 | wxFile *m_file; |
| 53 | bool m_file_destroy; |
| 54 | }; |
| 55 | |
| 56 | class WXDLLEXPORT wxFileOutputStream: public wxOutputStream { |
| 57 | public: |
| 58 | wxFileOutputStream(const wxString& fileName); |
| 59 | wxFileOutputStream(wxFile& file); |
| 60 | wxFileOutputStream(int fd); |
| 61 | virtual ~wxFileOutputStream(); |
| 62 | |
| 63 | // To solve an ambiguity on GCC |
| 64 | // inline wxOutputStream& Write(const void *buffer, size_t size) |
| 65 | // { return wxOutputStream::Write(buffer, size); } |
| 66 | |
| 67 | void Sync(); |
| 68 | size_t GetSize() const; |
| 69 | |
| 70 | bool Ok() const { return m_file->IsOpened(); } |
| 71 | |
| 72 | protected: |
| 73 | wxFileOutputStream(); |
| 74 | |
| 75 | size_t OnSysWrite(const void *buffer, size_t size); |
| 76 | off_t OnSysSeek(off_t pos, wxSeekMode mode); |
| 77 | off_t OnSysTell() const; |
| 78 | |
| 79 | protected: |
| 80 | wxFile *m_file; |
| 81 | bool m_file_destroy; |
| 82 | }; |
| 83 | |
| 84 | class WXDLLEXPORT wxFileStream: public wxFileInputStream, public wxFileOutputStream { |
| 85 | public: |
| 86 | wxFileStream(const wxString& fileName); |
| 87 | }; |
| 88 | |
| 89 | // ---------------------------------------------------------------------------- |
| 90 | // wxFFileStream using wxFFile |
| 91 | // ---------------------------------------------------------------------------- |
| 92 | |
| 93 | class WXDLLEXPORT wxFFileInputStream: public wxInputStream { |
| 94 | public: |
| 95 | wxFFileInputStream(const wxString& ifileName); |
| 96 | wxFFileInputStream(wxFFile& file); |
| 97 | wxFFileInputStream(FILE *file); |
| 98 | ~wxFFileInputStream(); |
| 99 | |
| 100 | size_t GetSize() const; |
| 101 | |
| 102 | bool Ok() const { return m_file->IsOpened(); } |
| 103 | |
| 104 | protected: |
| 105 | wxFFileInputStream(); |
| 106 | |
| 107 | size_t OnSysRead(void *buffer, size_t size); |
| 108 | off_t OnSysSeek(off_t pos, wxSeekMode mode); |
| 109 | off_t OnSysTell() const; |
| 110 | |
| 111 | protected: |
| 112 | wxFFile *m_file; |
| 113 | bool m_file_destroy; |
| 114 | }; |
| 115 | |
| 116 | class WXDLLEXPORT wxFFileOutputStream: public wxOutputStream { |
| 117 | public: |
| 118 | wxFFileOutputStream(const wxString& fileName); |
| 119 | wxFFileOutputStream(wxFFile& file); |
| 120 | wxFFileOutputStream(FILE *file); |
| 121 | virtual ~wxFFileOutputStream(); |
| 122 | |
| 123 | // To solve an ambiguity on GCC |
| 124 | // inline wxOutputStream& Write(const void *buffer, size_t size) |
| 125 | // { return wxOutputStream::Write(buffer, size); } |
| 126 | |
| 127 | void Sync(); |
| 128 | size_t GetSize() const; |
| 129 | |
| 130 | bool Ok() const { return m_file->IsOpened(); } |
| 131 | |
| 132 | protected: |
| 133 | wxFFileOutputStream(); |
| 134 | |
| 135 | size_t OnSysWrite(const void *buffer, size_t size); |
| 136 | off_t OnSysSeek(off_t pos, wxSeekMode mode); |
| 137 | off_t OnSysTell() const; |
| 138 | |
| 139 | protected: |
| 140 | wxFFile *m_file; |
| 141 | bool m_file_destroy; |
| 142 | }; |
| 143 | |
| 144 | class WXDLLEXPORT wxFFileStream: public wxFFileInputStream, public wxFFileOutputStream { |
| 145 | public: |
| 146 | wxFFileStream(const wxString& fileName); |
| 147 | }; |
| 148 | #endif |
| 149 | // wxUSE_STREAMS && wxUSE_FILE |
| 150 | |
| 151 | #endif |
| 152 | // _WX_WXFSTREAM_H__ |
| 153 | |
| 154 | |
| 155 | |
| 156 | |
| 157 | |
| 158 | |
| 159 | |
| 160 | |