| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: fstream.cpp |
| 3 | // Purpose: "File stream" classes |
| 4 | // Author: Julian Smart |
| 5 | // Modified by: |
| 6 | // Created: 11/07/98 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) Guilhem Lavaux |
| 9 | // Licence: wxWindows license |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | #ifdef __GNUG__ |
| 13 | #pragma implementation "wfstream.h" |
| 14 | #endif |
| 15 | |
| 16 | // For compilers that support precompilation, includes "wx.h". |
| 17 | #include "wx/wxprec.h" |
| 18 | #include <stdio.h> |
| 19 | #include <wx/stream.h> |
| 20 | #include <wx/wfstream.h> |
| 21 | |
| 22 | #ifdef __BORLANDC__ |
| 23 | #pragma hdrstop |
| 24 | #endif |
| 25 | |
| 26 | // ---------------------------------------------------------------------------- |
| 27 | // wxFileInputStream |
| 28 | // ---------------------------------------------------------------------------- |
| 29 | |
| 30 | wxFileInputStream::wxFileInputStream(const wxString& fileName) |
| 31 | : wxInputStream() |
| 32 | { |
| 33 | m_file = new wxFile(fileName, wxFile::read); |
| 34 | m_file_destroy = TRUE; |
| 35 | m_i_streambuf->SetBufferIO(1024); |
| 36 | } |
| 37 | |
| 38 | wxFileInputStream::wxFileInputStream() |
| 39 | : wxInputStream() |
| 40 | { |
| 41 | m_file_destroy = FALSE; |
| 42 | m_file = NULL; |
| 43 | } |
| 44 | |
| 45 | wxFileInputStream::wxFileInputStream(wxFile& file) |
| 46 | { |
| 47 | m_file = &file; |
| 48 | m_file_destroy = FALSE; |
| 49 | m_i_streambuf->SetBufferIO(1024); |
| 50 | } |
| 51 | |
| 52 | wxFileInputStream::wxFileInputStream(int fd) |
| 53 | { |
| 54 | m_file = new wxFile(fd); |
| 55 | m_file_destroy = TRUE; |
| 56 | m_i_streambuf->SetBufferIO(1024); |
| 57 | } |
| 58 | |
| 59 | wxFileInputStream::~wxFileInputStream() |
| 60 | { |
| 61 | if (m_file_destroy) |
| 62 | delete m_file; |
| 63 | } |
| 64 | |
| 65 | char wxFileInputStream::Peek() |
| 66 | { |
| 67 | return 0; |
| 68 | } |
| 69 | |
| 70 | size_t wxFileInputStream::StreamSize() const |
| 71 | { |
| 72 | return m_file->Length(); |
| 73 | } |
| 74 | |
| 75 | size_t wxFileInputStream::OnSysRead(void *buffer, size_t size) |
| 76 | { |
| 77 | return m_file->Read(buffer, size); |
| 78 | } |
| 79 | |
| 80 | off_t wxFileInputStream::OnSysSeek(off_t pos, wxSeekMode mode) |
| 81 | { |
| 82 | return m_file->Seek(pos, mode); |
| 83 | } |
| 84 | |
| 85 | off_t wxFileInputStream::OnSysTell() const |
| 86 | { |
| 87 | return m_file->Tell(); |
| 88 | } |
| 89 | |
| 90 | // ---------------------------------------------------------------------------- |
| 91 | // wxFileOutputStream |
| 92 | // ---------------------------------------------------------------------------- |
| 93 | |
| 94 | wxFileOutputStream::wxFileOutputStream(const wxString& fileName) |
| 95 | { |
| 96 | m_file = new wxFile(fileName, wxFile::write); |
| 97 | m_file_destroy = TRUE; |
| 98 | m_o_streambuf->SetBufferIO(1024); |
| 99 | } |
| 100 | |
| 101 | wxFileOutputStream::wxFileOutputStream(wxFile& file) |
| 102 | { |
| 103 | m_file = &file; |
| 104 | m_file_destroy = FALSE; |
| 105 | m_o_streambuf->SetBufferIO(1024); |
| 106 | } |
| 107 | |
| 108 | wxFileOutputStream::wxFileOutputStream() |
| 109 | : wxOutputStream() |
| 110 | { |
| 111 | m_o_streambuf->SetBufferIO(1024); |
| 112 | m_file_destroy = FALSE; |
| 113 | m_file = NULL; |
| 114 | } |
| 115 | |
| 116 | wxFileOutputStream::wxFileOutputStream(int fd) |
| 117 | { |
| 118 | m_file = new wxFile(fd); |
| 119 | m_file_destroy = TRUE; |
| 120 | m_o_streambuf->SetBufferIO(1024); |
| 121 | } |
| 122 | |
| 123 | wxFileOutputStream::~wxFileOutputStream() |
| 124 | { |
| 125 | if (m_file_destroy) { |
| 126 | Sync(); |
| 127 | delete m_file; |
| 128 | } |
| 129 | } |
| 130 | |
| 131 | size_t wxFileOutputStream::OnSysWrite(const void *buffer, size_t size) |
| 132 | { |
| 133 | size_t ret = m_file->Write(buffer, size); |
| 134 | m_lasterror = wxStream_EOF; // TODO |
| 135 | return ret; |
| 136 | } |
| 137 | |
| 138 | off_t wxFileOutputStream::OnSysTell() const |
| 139 | { |
| 140 | return m_file->Tell(); |
| 141 | } |
| 142 | |
| 143 | off_t wxFileOutputStream::OnSysSeek(off_t pos, wxSeekMode mode) |
| 144 | { |
| 145 | return m_file->Seek(pos, mode); |
| 146 | } |
| 147 | |
| 148 | void wxFileOutputStream::Sync() |
| 149 | { |
| 150 | wxOutputStream::Sync(); |
| 151 | m_file->Flush(); |
| 152 | } |
| 153 | |
| 154 | size_t wxFileOutputStream::StreamSize() const |
| 155 | { |
| 156 | return m_file->Length(); |
| 157 | } |
| 158 | |
| 159 | // ---------------------------------------------------------------------------- |
| 160 | // wxFileStream |
| 161 | // ---------------------------------------------------------------------------- |
| 162 | wxFileStream::wxFileStream(const wxString& fileName) |
| 163 | : wxFileInputStream(fileName), wxFileOutputStream(*wxFileInputStream::m_file) |
| 164 | { |
| 165 | } |