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annotate deps/Platinum/ThirdParty/Neptune/Source/Core/NptFile.h @ 9:05c88622db6b default tip

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- Adhoc transcoder now doesn't rely on Platinum - Moved the adhoc transcoder to the main source tree; it can be moved back into test once it's more stable
author fraserofthenight
date Tue, 14 Jul 2009 22:04:05 -0700
parents 3425707ddbf6
children
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1 /*****************************************************************
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2 |
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3 | Neptune - Files
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4 |
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5 | Copyright (c) 2002-2008, Axiomatic Systems, LLC.
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6 | All rights reserved.
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7 |
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8 | Redistribution and use in source and binary forms, with or without
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9 | modification, are permitted provided that the following conditions are met:
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10 | * Redistributions of source code must retain the above copyright
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11 | notice, this list of conditions and the following disclaimer.
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12 | * Redistributions in binary form must reproduce the above copyright
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13 | notice, this list of conditions and the following disclaimer in the
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14 | documentation and/or other materials provided with the distribution.
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15 | * Neither the name of Axiomatic Systems nor the
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16 | names of its contributors may be used to endorse or promote products
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17 | derived from this software without specific prior written permission.
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18 |
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19 | THIS SOFTWARE IS PROVIDED BY AXIOMATIC SYSTEMS ''AS IS'' AND ANY
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20 | EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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21 | WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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22 | DISCLAIMED. IN NO EVENT SHALL AXIOMATIC SYSTEMS BE LIABLE FOR ANY
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23 | DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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24 | (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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25 | LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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26 | ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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27 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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28 | SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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29 |
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30 ****************************************************************/
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31
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32 #ifndef _NPT_FILE_H_
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33 #define _NPT_FILE_H_
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34
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35 /*----------------------------------------------------------------------
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36 | includes
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37 +---------------------------------------------------------------------*/
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38 #include "NptTypes.h"
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39 #include "NptStreams.h"
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40
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41 /*----------------------------------------------------------------------
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42 | constants
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43 +---------------------------------------------------------------------*/
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44 const int NPT_ERROR_NO_SUCH_FILE = NPT_ERROR_BASE_FILE - 0;
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45 const int NPT_ERROR_FILE_NOT_OPEN = NPT_ERROR_BASE_FILE - 1;
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46 const int NPT_ERROR_FILE_BUSY = NPT_ERROR_BASE_FILE - 2;
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47 const int NPT_ERROR_FILE_ALREADY_OPEN = NPT_ERROR_BASE_FILE - 3;
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48 const int NPT_ERROR_FILE_NOT_READABLE = NPT_ERROR_BASE_FILE - 4;
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49 const int NPT_ERROR_FILE_NOT_WRITABLE = NPT_ERROR_BASE_FILE - 5;
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50 const int NPT_ERROR_FILE_NOT_DIRECTORY = NPT_ERROR_BASE_FILE - 6;
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51 const int NPT_ERROR_FILE_ALREADY_EXISTS = NPT_ERROR_BASE_FILE - 7;
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52 const int NPT_ERROR_FILE_NOT_ENOUGH_SPACE = NPT_ERROR_BASE_FILE - 8;
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53 const int NPT_ERROR_DIRECTORY_NOT_EMPTY = NPT_ERROR_BASE_FILE - 9;
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54
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55 const unsigned int NPT_FILE_OPEN_MODE_READ = 0x01;
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56 const unsigned int NPT_FILE_OPEN_MODE_WRITE = 0x02;
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57 const unsigned int NPT_FILE_OPEN_MODE_CREATE = 0x04;
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58 const unsigned int NPT_FILE_OPEN_MODE_TRUNCATE = 0x08;
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59 const unsigned int NPT_FILE_OPEN_MODE_UNBUFFERED = 0x10;
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60 const unsigned int NPT_FILE_OPEN_MODE_APPEND = 0x20;
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61
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62 const unsigned int NPT_FILE_ATTRIBUTE_READ_ONLY = 0x01;
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63 const unsigned int NPT_FILE_ATTRIBUTE_LINK = 0x02;
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64
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65 #define NPT_FILE_STANDARD_INPUT "@STDIN"
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66 #define NPT_FILE_STANDARD_OUTPUT "@STDOUT"
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67 #define NPT_FILE_STANDARD_ERROR "@STDERR"
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68
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69 /*----------------------------------------------------------------------
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70 | class references
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71 +---------------------------------------------------------------------*/
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72 class NPT_DataBuffer;
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73
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74 /*----------------------------------------------------------------------
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75 | NPT_FileInfo
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76 +---------------------------------------------------------------------*/
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77 struct NPT_FileInfo
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78 {
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79 // types
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80 typedef enum {
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81 FILE_TYPE_NONE,
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82 FILE_TYPE_REGULAR,
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83 FILE_TYPE_DIRECTORY,
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84 FILE_TYPE_SPECIAL,
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85 FILE_TYPE_OTHER
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86 } FileType;
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87
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88 // constructor
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89 NPT_FileInfo() : m_Type(FILE_TYPE_NONE), m_Size(0), m_AttributesMask(0), m_Attributes(0) {}
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90
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91 // members
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92 FileType m_Type;
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93 NPT_UInt64 m_Size;
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94 NPT_Flags m_AttributesMask;
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95 NPT_Flags m_Attributes;
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96 };
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97
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98 /*----------------------------------------------------------------------
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99 | NPT_FilePath
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100 +---------------------------------------------------------------------*/
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101 class NPT_FilePath
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102 {
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103 public:
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104 // class members
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105 static const NPT_String Separator;
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106
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107 // class methods
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108 static NPT_String BaseName(const char* path, bool with_extension = true);
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109 static NPT_String DirectoryName(const char* path);
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110 static NPT_String FileExtension(const char* path);
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111 static NPT_String Create(const char* directory, const char* base);
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112
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113 private:
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114 NPT_FilePath() {} // this class can't have instances
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115 };
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116
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117 /*----------------------------------------------------------------------
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118 | NPT_FileInterface
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119 +---------------------------------------------------------------------*/
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120 class NPT_FileInterface
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121 {
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122 public:
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123 // types
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124 typedef unsigned int OpenMode;
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125
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126 // constructors and destructor
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127 virtual ~NPT_FileInterface() {}
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128
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129 // methods
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130 virtual NPT_Result Open(OpenMode mode) = 0;
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131 virtual NPT_Result Close() = 0;
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132 virtual NPT_Result GetSize(NPT_LargeSize& size) = 0;
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133 virtual NPT_Result GetInputStream(NPT_InputStreamReference& stream) = 0;
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134 virtual NPT_Result GetOutputStream(NPT_OutputStreamReference& stream) = 0;
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135 };
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136
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137 /*----------------------------------------------------------------------
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138 | NPT_File
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139 +---------------------------------------------------------------------*/
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140 class NPT_File : public NPT_FileInterface
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141 {
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142 public:
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143 // class methods
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144 static NPT_Result GetRoots(NPT_List<NPT_String>& roots);
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145 static NPT_Result GetInfo(const char* path, NPT_FileInfo* info = NULL);
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146 static NPT_Result GetCount(const char* path, NPT_Cardinal& count);
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147 static bool Exists(const char* path) { return NPT_SUCCEEDED(GetInfo(path)); }
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148 static NPT_Result Delete(const char* path);
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149 static NPT_Result DeleteFile(const char* path);
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150 static NPT_Result DeleteDirectory(const char* path);
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151 static NPT_Result Rename(const char* from_path, const char* to_path);
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152 static NPT_Result ListDirectory(const char* path, NPT_List<NPT_String>& entries, NPT_Ordinal start = 0, NPT_Cardinal count = 0);
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153 static NPT_Result CreateDirectory(const char* path);
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154 static NPT_Result GetWorkingDirectory(NPT_String& path);
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155 static NPT_Result Load(const char* path, NPT_DataBuffer& buffer, NPT_FileInterface::OpenMode mode = NPT_FILE_OPEN_MODE_READ);
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156 static NPT_Result Load(const char* path, NPT_String& data, NPT_FileInterface::OpenMode mode = NPT_FILE_OPEN_MODE_READ);
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157 static NPT_Result Save(const char* path, NPT_String& data);
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158 static NPT_Result Save(const char* path, const NPT_DataBuffer& buffer);
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159
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160 // constructors and destructor
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161 NPT_File(const char* path);
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162 ~NPT_File() { delete m_Delegate; }
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163
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164 // methods
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165 NPT_Result Load(NPT_DataBuffer& buffer);
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166 NPT_Result Save(const NPT_DataBuffer& buffer);
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167 const NPT_String& GetPath() { return m_Path; }
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168 //NPT_Result GetSize(NPT_LargeSize &size);
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169 NPT_Result GetInfo(NPT_FileInfo& info);
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170 NPT_Result ListDirectory(NPT_List<NPT_String>& entries);
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171 NPT_Result Rename(const char* path);
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172 NPT_Result GetCount(NPT_Cardinal& count);
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173
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174 // NPT_FileInterface methods
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175 NPT_Result Open(OpenMode mode) {
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176 return m_Delegate->Open(mode);
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177 }
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178 NPT_Result Close() {
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179 return m_Delegate->Close();
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180 }
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181 NPT_Result GetSize(NPT_LargeSize& size) {
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182 return m_Delegate->GetSize(size);
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183 }
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184 NPT_Result GetInputStream(NPT_InputStreamReference& stream) {
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185 return m_Delegate->GetInputStream(stream);
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186 }
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187 NPT_Result GetOutputStream(NPT_OutputStreamReference& stream) {
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188 return m_Delegate->GetOutputStream(stream);
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189 }
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190
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191 // operators
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192 NPT_File& operator=(const NPT_File& file);
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193
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194 protected:
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195 // members
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196 NPT_FileInterface* m_Delegate;
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197 NPT_String m_Path;
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198 NPT_FileInfo m_Info;
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199 };
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200
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201 #endif // _NPT_FILE_H_