1 | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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2 | /* ***** BEGIN LICENSE BLOCK *****
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3 | * Version: MPL 1.1/GPL 2.0/LGPL 2.1
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4 | *
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5 | * The contents of this file are subject to the Mozilla Public License Version
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6 | * 1.1 (the "License"); you may not use this file except in compliance with
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7 | * the License. You may obtain a copy of the License at
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8 | * http://www.mozilla.org/MPL/
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9 | *
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10 | * Software distributed under the License is distributed on an "AS IS" basis,
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11 | * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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12 | * for the specific language governing rights and limitations under the
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13 | * License.
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14 | *
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15 | * The Original Code is Mozilla Communicator client code, released
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16 | * March 31, 1998.
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17 | *
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18 | * The Initial Developer of the Original Code is
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19 | * Netscape Communications Corporation.
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20 | * Portions created by the Initial Developer are Copyright (C) 1998-1999
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21 | * the Initial Developer. All Rights Reserved.
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22 | *
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23 | * Contributor(s):
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24 | * Mike Shaver <[email protected]>
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25 | * Christopher Blizzard <[email protected]>
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26 | * Jason Eager <[email protected]>
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27 | * Stuart Parmenter <[email protected]>
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28 | * Brendan Eich <[email protected]>
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29 | * Pete Collins <[email protected]>
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30 | * Paul Ashford <[email protected]>
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31 | *
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32 | * Alternatively, the contents of this file may be used under the terms of
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33 | * either of the GNU General Public License Version 2 or later (the "GPL"),
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34 | * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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35 | * in which case the provisions of the GPL or the LGPL are applicable instead
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36 | * of those above. If you wish to allow use of your version of this file only
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37 | * under the terms of either the GPL or the LGPL, and not to allow others to
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38 | * use your version of this file under the terms of the MPL, indicate your
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39 | * decision by deleting the provisions above and replace them with the notice
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40 | * and other provisions required by the GPL or the LGPL. If you do not delete
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41 | * the provisions above, a recipient may use your version of this file under
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42 | * the terms of any one of the MPL, the GPL or the LGPL.
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43 | *
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44 | * ***** END LICENSE BLOCK ***** */
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45 |
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46 | /**
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47 | * Implementation of nsIFile for ``Unixy'' systems.
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48 | */
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49 |
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50 | // We're going to need some autoconf loving, I can just tell.
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51 | #include <sys/types.h>
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52 | #include <sys/stat.h>
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53 | #include <unistd.h>
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54 | #include <fcntl.h>
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55 | #include <errno.h>
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56 | #include <utime.h>
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57 | #include <dirent.h>
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58 | #include <ctype.h>
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59 | #include <locale.h>
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60 | #ifdef XP_BEOS
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61 | #include <Path.h>
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62 | #include <Entry.h>
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63 | #include <Roster.h>
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64 | #endif
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65 | #if defined(VMS)
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66 | #include <fabdef.h>
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67 | #endif
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68 |
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69 | #include "nsDirectoryServiceDefs.h"
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70 | #include "nsCRT.h"
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71 | #include "nsCOMPtr.h"
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72 | #include "nsMemory.h"
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73 | #include "nsIFile.h"
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74 | #include "nsString.h"
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75 | #include "nsReadableUtils.h"
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76 | #include "nsLocalFile.h"
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77 | #include "nsIComponentManager.h"
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78 | #include "nsXPIDLString.h"
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79 | #include "prproces.h"
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80 | #include "nsISimpleEnumerator.h"
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81 | #include "nsITimelineService.h"
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82 |
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83 | #include "nsNativeCharsetUtils.h"
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84 |
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85 | // On some platforms file/directory name comparisons need to
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86 | // be case-blind.
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87 | #if defined(VMS)
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88 | #define FILE_STRCMP strcasecmp
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89 | #define FILE_STRNCMP strncasecmp
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90 | #else
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91 | #define FILE_STRCMP strcmp
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92 | #define FILE_STRNCMP strncmp
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93 | #endif
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94 |
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95 | #define VALIDATE_STAT_CACHE() \
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96 | PR_BEGIN_MACRO \
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97 | if (!mHaveCachedStat) { \
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98 | FillStatCache(); \
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99 | if (!mHaveCachedStat) \
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100 | return NSRESULT_FOR_ERRNO(); \
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101 | } \
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102 | PR_END_MACRO
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103 |
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104 | #define CHECK_mPath() \
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105 | PR_BEGIN_MACRO \
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106 | if (mPath.IsEmpty()) \
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107 | return NS_ERROR_NOT_INITIALIZED; \
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108 | PR_END_MACRO
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109 |
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110 | /* directory enumerator */
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111 | class NS_COM
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112 | nsDirEnumeratorUnix : public nsISimpleEnumerator
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113 | {
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114 | public:
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115 | nsDirEnumeratorUnix();
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116 |
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117 | // nsISupports interface
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118 | NS_DECL_ISUPPORTS
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119 |
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120 | // nsISimpleEnumerator interface
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121 | NS_DECL_NSISIMPLEENUMERATOR
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122 |
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123 | NS_IMETHOD Init(nsLocalFile *parent, PRBool ignored);
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124 |
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125 | private:
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126 | ~nsDirEnumeratorUnix();
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127 |
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128 | protected:
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129 | NS_IMETHOD GetNextEntry();
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130 |
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131 | DIR *mDir;
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132 | struct dirent *mEntry;
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133 | nsCString mParentPath;
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134 | };
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135 |
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136 | nsDirEnumeratorUnix::nsDirEnumeratorUnix() :
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137 | mDir(nsnull),
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138 | mEntry(nsnull)
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139 | {
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140 | }
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141 |
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142 | nsDirEnumeratorUnix::~nsDirEnumeratorUnix()
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143 | {
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144 | if (mDir)
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145 | closedir(mDir);
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146 | }
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147 |
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148 | NS_IMPL_ISUPPORTS1(nsDirEnumeratorUnix, nsISimpleEnumerator)
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149 |
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150 | NS_IMETHODIMP
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151 | nsDirEnumeratorUnix::Init(nsLocalFile *parent, PRBool resolveSymlinks /*ignored*/)
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152 | {
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153 | nsCAutoString dirPath;
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154 | if (NS_FAILED(parent->GetNativePath(dirPath)) ||
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155 | dirPath.IsEmpty()) {
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156 | return NS_ERROR_FILE_INVALID_PATH;
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157 | }
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158 |
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159 | if (NS_FAILED(parent->GetNativePath(mParentPath)))
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160 | return NS_ERROR_FAILURE;
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161 |
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162 | mDir = opendir(dirPath.get());
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163 | if (!mDir)
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164 | return NSRESULT_FOR_ERRNO();
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165 | return GetNextEntry();
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166 | }
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167 |
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168 | NS_IMETHODIMP
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169 | nsDirEnumeratorUnix::HasMoreElements(PRBool *result)
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170 | {
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171 | *result = mDir && mEntry;
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172 | return NS_OK;
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173 | }
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174 |
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175 | NS_IMETHODIMP
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176 | nsDirEnumeratorUnix::GetNext(nsISupports **_retval)
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177 | {
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178 | nsresult rv;
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179 | if (!mDir || !mEntry) {
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180 | *_retval = nsnull;
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181 | return NS_OK;
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182 | }
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183 |
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184 | nsLocalFile* file = new nsLocalFile();
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185 | if (!file)
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186 | return NS_ERROR_OUT_OF_MEMORY;
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187 |
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188 | if (NS_FAILED(rv = file->InitWithNativePath(mParentPath)) ||
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189 | NS_FAILED(rv = file->AppendNative(nsDependentCString(mEntry->d_name)))) {
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190 | return rv;
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191 | }
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192 | *_retval = NS_STATIC_CAST(nsISupports *, file);
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193 | NS_ADDREF(*_retval);
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194 | return GetNextEntry();
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195 | }
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196 |
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197 | NS_IMETHODIMP
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198 | nsDirEnumeratorUnix::GetNextEntry()
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199 | {
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200 | do {
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201 | errno = 0;
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202 | mEntry = readdir(mDir);
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203 |
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204 | // end of dir or error
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205 | if (!mEntry)
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206 | return NSRESULT_FOR_ERRNO();
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207 |
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208 | // keep going past "." and ".."
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209 | } while (mEntry->d_name[0] == '.' &&
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210 | (mEntry->d_name[1] == '\0' || // .\0
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211 | (mEntry->d_name[1] == '.' &&
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212 | mEntry->d_name[2] == '\0'))); // ..\0
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213 | return NS_OK;
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214 | }
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215 |
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216 | nsLocalFile::nsLocalFile() :
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217 | mHaveCachedStat(PR_FALSE)
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218 | {
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219 | }
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220 |
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221 | nsLocalFile::nsLocalFile(const nsLocalFile& other)
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222 | : mCachedStat(other.mCachedStat)
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223 | , mPath(other.mPath)
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224 | , mHaveCachedStat(other.mHaveCachedStat)
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225 | {
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226 | }
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227 |
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228 | NS_IMPL_THREADSAFE_ISUPPORTS2(nsLocalFile,
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229 | nsIFile,
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230 | nsILocalFile)
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231 |
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232 | nsresult
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233 | nsLocalFile::nsLocalFileConstructor(nsISupports *outer,
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234 | const nsIID &aIID,
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235 | void **aInstancePtr)
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236 | {
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237 | NS_ENSURE_ARG_POINTER(aInstancePtr);
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238 | NS_ENSURE_NO_AGGREGATION(outer);
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239 |
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240 | *aInstancePtr = nsnull;
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241 |
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242 | nsCOMPtr<nsIFile> inst = new nsLocalFile();
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243 | if (!inst)
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244 | return NS_ERROR_OUT_OF_MEMORY;
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245 | return inst->QueryInterface(aIID, aInstancePtr);
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246 | }
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247 |
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248 | nsresult
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249 | nsLocalFile::FillStatCache() {
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250 | if (stat(mPath.get(), &mCachedStat) == -1) {
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251 | // try lstat it may be a symlink
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252 | if (lstat(mPath.get(), &mCachedStat) == -1) {
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253 | return NSRESULT_FOR_ERRNO();
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254 | }
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255 | }
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256 | mHaveCachedStat = PR_TRUE;
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257 | return NS_OK;
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258 | }
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259 |
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260 | NS_IMETHODIMP
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261 | nsLocalFile::Clone(nsIFile **file)
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262 | {
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263 | // Just copy-construct ourselves
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264 | *file = new nsLocalFile(*this);
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265 | if (!*file)
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266 | return NS_ERROR_OUT_OF_MEMORY;
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267 |
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268 | NS_ADDREF(*file);
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269 |
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270 | return NS_OK;
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271 | }
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272 |
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273 | NS_IMETHODIMP
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274 | nsLocalFile::InitWithNativePath(const nsACString &filePath)
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275 | {
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276 | if (Substring(filePath, 0, 2).EqualsLiteral("~/")) {
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277 | nsCOMPtr<nsIFile> homeDir;
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278 | nsCAutoString homePath;
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279 | if (NS_FAILED(NS_GetSpecialDirectory(NS_OS_HOME_DIR,
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280 | getter_AddRefs(homeDir))) ||
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281 | NS_FAILED(homeDir->GetNativePath(homePath))) {
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282 | return NS_ERROR_FAILURE;
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283 | }
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284 |
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285 | mPath = homePath + Substring(filePath, 1, filePath.Length() - 1);
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286 | } else if (filePath.IsEmpty() || filePath.First() != '/') {
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287 | NS_ERROR("Relative paths not allowed");
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288 | return NS_ERROR_FILE_UNRECOGNIZED_PATH;
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289 | } else {
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290 | mPath = filePath;
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291 | }
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292 |
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293 | // trim off trailing slashes
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294 | ssize_t len = mPath.Length();
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295 | while ((len > 1) && (mPath[len - 1] == '/'))
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296 | --len;
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297 | mPath.SetLength(len);
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298 |
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299 | InvalidateCache();
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300 | return NS_OK;
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301 | }
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302 |
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303 | NS_IMETHODIMP
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304 | nsLocalFile::CreateAllAncestors(PRUint32 permissions)
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305 | {
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306 | // <jband> I promise to play nice
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307 | char *buffer = mPath.BeginWriting(),
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308 | *slashp = buffer;
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309 |
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310 | #ifdef DEBUG_NSIFILE
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311 | fprintf(stderr, "nsIFile: before: %s\n", buffer);
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312 | #endif
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313 |
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314 | while ((slashp = strchr(slashp + 1, '/'))) {
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315 | /*
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316 | * Sequences of '/' are equivalent to a single '/'.
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317 | */
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318 | if (slashp[1] == '/')
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319 | continue;
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320 |
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321 | /*
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322 | * If the path has a trailing slash, don't make the last component,
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323 | * because we'll get EEXIST in Create when we try to build the final
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324 | * component again, and it's easier to condition the logic here than
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325 | * there.
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326 | */
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327 | if (slashp[1] == '\0')
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328 | break;
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329 |
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330 | /* Temporarily NUL-terminate here */
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331 | *slashp = '\0';
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332 | #ifdef DEBUG_NSIFILE
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333 | fprintf(stderr, "nsIFile: mkdir(\"%s\")\n", buffer);
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334 | #endif
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335 | int mkdir_result = mkdir(buffer, permissions);
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336 | int mkdir_errno = errno;
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337 | if (mkdir_result == -1) {
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338 | /*
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339 | * Always set |errno| to EEXIST if the dir already exists
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340 | * (we have to do this here since the errno value is not consistent
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341 | * in all cases - various reasons like different platform,
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342 | * automounter-controlled dir, etc. can affect it (see bug 125489
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343 | * for details)).
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344 | */
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345 | if (access(buffer, F_OK) == 0) {
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346 | mkdir_errno = EEXIST;
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347 | }
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348 | }
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349 |
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350 | /* Put the / back before we (maybe) return */
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351 | *slashp = '/';
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352 |
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353 | /*
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354 | * We could get EEXIST for an existing file -- not directory --
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355 | * with the name of one of our ancestors, but that's OK: we'll get
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356 | * ENOTDIR when we try to make the next component in the path,
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357 | * either here on back in Create, and error out appropriately.
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358 | */
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359 | if (mkdir_result == -1 && mkdir_errno != EEXIST)
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360 | return nsresultForErrno(mkdir_errno);
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361 | }
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362 |
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363 | #ifdef DEBUG_NSIFILE
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364 | fprintf(stderr, "nsIFile: after: %s\n", buffer);
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365 | #endif
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366 |
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367 | return NS_OK;
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368 | }
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369 |
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370 | NS_IMETHODIMP
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371 | nsLocalFile::OpenNSPRFileDesc(PRInt32 flags, PRInt32 mode, PRFileDesc **_retval)
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372 | {
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373 | *_retval = PR_Open(mPath.get(), flags, mode);
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374 | if (! *_retval)
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375 | return NS_ErrorAccordingToNSPR();
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376 |
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377 | return NS_OK;
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378 | }
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379 |
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380 | NS_IMETHODIMP
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381 | nsLocalFile::OpenANSIFileDesc(const char *mode, FILE **_retval)
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382 | {
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383 | *_retval = fopen(mPath.get(), mode);
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384 | if (! *_retval)
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385 | return NS_ERROR_FAILURE;
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386 |
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387 | return NS_OK;
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388 | }
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389 |
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390 | static int
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391 | do_create(const char *path, PRIntn flags, mode_t mode, PRFileDesc **_retval)
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392 | {
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393 | *_retval = PR_Open(path, flags, mode);
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394 | return *_retval ? 0 : -1;
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395 | }
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396 |
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397 | static int
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398 | do_mkdir(const char *path, PRIntn flags, mode_t mode, PRFileDesc **_retval)
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399 | {
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400 | *_retval = nsnull;
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401 | return mkdir(path, mode);
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402 | }
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403 |
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404 | nsresult
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405 | nsLocalFile::CreateAndKeepOpen(PRUint32 type, PRIntn flags,
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406 | PRUint32 permissions, PRFileDesc **_retval)
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407 | {
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408 | if (type != NORMAL_FILE_TYPE && type != DIRECTORY_TYPE)
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409 | return NS_ERROR_FILE_UNKNOWN_TYPE;
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410 |
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411 | int result;
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412 | int (*createFunc)(const char *, PRIntn, mode_t, PRFileDesc **) =
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413 | (type == NORMAL_FILE_TYPE) ? do_create : do_mkdir;
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414 |
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415 | result = createFunc(mPath.get(), flags, permissions, _retval);
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416 | if (result == -1 && errno == ENOENT) {
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417 | /*
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418 | * If we failed because of missing ancestor components, try to create
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419 | * them and then retry the original creation.
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420 | *
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421 | * Ancestor directories get the same permissions as the file we're
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422 | * creating, with the X bit set for each of (user,group,other) with
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423 | * an R bit in the original permissions. If you want to do anything
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424 | * fancy like setgid or sticky bits, do it by hand.
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425 | */
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426 | int dirperm = permissions;
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427 | if (permissions & S_IRUSR)
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428 | dirperm |= S_IXUSR;
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429 | if (permissions & S_IRGRP)
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430 | dirperm |= S_IXGRP;
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431 | if (permissions & S_IROTH)
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432 | dirperm |= S_IXOTH;
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433 |
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434 | #ifdef DEBUG_NSIFILE
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435 | fprintf(stderr, "nsIFile: perm = %o, dirperm = %o\n", permissions,
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436 | dirperm);
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437 | #endif
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438 |
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439 | if (NS_FAILED(CreateAllAncestors(dirperm)))
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440 | return NS_ERROR_FAILURE;
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441 |
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442 | #ifdef DEBUG_NSIFILE
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443 | fprintf(stderr, "nsIFile: Create(\"%s\") again\n", mPath.get());
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444 | #endif
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445 | result = createFunc(mPath.get(), flags, permissions, _retval);
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446 | }
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447 |
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448 | return NSRESULT_FOR_RETURN(result);
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449 | }
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450 |
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451 | NS_IMETHODIMP
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452 | nsLocalFile::Create(PRUint32 type, PRUint32 permissions)
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453 | {
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454 | PRFileDesc *junk = nsnull;
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455 | nsresult rv = CreateAndKeepOpen(type,
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456 | PR_WRONLY | PR_CREATE_FILE | PR_TRUNCATE |
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457 | PR_EXCL,
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458 | permissions,
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459 | &junk);
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460 | if (junk)
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461 | PR_Close(junk);
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462 | return rv;
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463 | }
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464 |
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465 | NS_IMETHODIMP
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466 | nsLocalFile::AppendNative(const nsACString &fragment)
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467 | {
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468 | if (fragment.IsEmpty())
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469 | return NS_OK;
|
---|
470 |
|
---|
471 | // only one component of path can be appended
|
---|
472 | nsACString::const_iterator begin, end;
|
---|
473 | if (FindCharInReadable('/', fragment.BeginReading(begin),
|
---|
474 | fragment.EndReading(end)))
|
---|
475 | return NS_ERROR_FILE_UNRECOGNIZED_PATH;
|
---|
476 |
|
---|
477 | return AppendRelativeNativePath(fragment);
|
---|
478 | }
|
---|
479 |
|
---|
480 | NS_IMETHODIMP
|
---|
481 | nsLocalFile::AppendRelativeNativePath(const nsACString &fragment)
|
---|
482 | {
|
---|
483 | if (fragment.IsEmpty())
|
---|
484 | return NS_OK;
|
---|
485 |
|
---|
486 | // No leading '/'
|
---|
487 | if (fragment.First() == '/')
|
---|
488 | return NS_ERROR_FILE_UNRECOGNIZED_PATH;
|
---|
489 |
|
---|
490 | if (mPath.EqualsLiteral("/"))
|
---|
491 | mPath.Append(fragment);
|
---|
492 | else
|
---|
493 | mPath.Append(NS_LITERAL_CSTRING("/") + fragment);
|
---|
494 |
|
---|
495 | InvalidateCache();
|
---|
496 | return NS_OK;
|
---|
497 | }
|
---|
498 |
|
---|
499 | NS_IMETHODIMP
|
---|
500 | nsLocalFile::Normalize()
|
---|
501 | {
|
---|
502 | char resolved_path[PATH_MAX] = "";
|
---|
503 | char *resolved_path_ptr = nsnull;
|
---|
504 |
|
---|
505 | #ifdef XP_BEOS
|
---|
506 | BEntry be_e(mPath.get(), true);
|
---|
507 | BPath be_p;
|
---|
508 | status_t err;
|
---|
509 | if ((err = be_e.GetPath(&be_p)) == B_OK) {
|
---|
510 | resolved_path_ptr = (char *)be_p.Path();
|
---|
511 | PL_strncpyz(resolved_path, resolved_path_ptr, PATH_MAX - 1);
|
---|
512 | }
|
---|
513 | #else
|
---|
514 | resolved_path_ptr = realpath(mPath.get(), resolved_path);
|
---|
515 | #endif
|
---|
516 | // if there is an error, the return is null.
|
---|
517 | if (!resolved_path_ptr)
|
---|
518 | return NSRESULT_FOR_ERRNO();
|
---|
519 |
|
---|
520 | mPath = resolved_path;
|
---|
521 | return NS_OK;
|
---|
522 | }
|
---|
523 |
|
---|
524 | void
|
---|
525 | nsLocalFile::LocateNativeLeafName(nsACString::const_iterator &begin,
|
---|
526 | nsACString::const_iterator &end)
|
---|
527 | {
|
---|
528 | // XXX perhaps we should cache this??
|
---|
529 |
|
---|
530 | mPath.BeginReading(begin);
|
---|
531 | mPath.EndReading(end);
|
---|
532 |
|
---|
533 | nsACString::const_iterator it = end;
|
---|
534 | nsACString::const_iterator stop = begin;
|
---|
535 | --stop;
|
---|
536 | while (--it != stop) {
|
---|
537 | if (*it == '/') {
|
---|
538 | begin = ++it;
|
---|
539 | return;
|
---|
540 | }
|
---|
541 | }
|
---|
542 | // else, the entire path is the leaf name (which means this
|
---|
543 | // isn't an absolute path... unexpected??)
|
---|
544 | }
|
---|
545 |
|
---|
546 | NS_IMETHODIMP
|
---|
547 | nsLocalFile::GetNativeLeafName(nsACString &aLeafName)
|
---|
548 | {
|
---|
549 | nsACString::const_iterator begin, end;
|
---|
550 | LocateNativeLeafName(begin, end);
|
---|
551 | aLeafName = Substring(begin, end);
|
---|
552 | return NS_OK;
|
---|
553 | }
|
---|
554 |
|
---|
555 | NS_IMETHODIMP
|
---|
556 | nsLocalFile::SetNativeLeafName(const nsACString &aLeafName)
|
---|
557 | {
|
---|
558 | nsACString::const_iterator begin, end;
|
---|
559 | LocateNativeLeafName(begin, end);
|
---|
560 | mPath.Replace(begin.get() - mPath.get(), Distance(begin, end), aLeafName);
|
---|
561 | InvalidateCache();
|
---|
562 | return NS_OK;
|
---|
563 | }
|
---|
564 |
|
---|
565 | NS_IMETHODIMP
|
---|
566 | nsLocalFile::GetNativePath(nsACString &_retval)
|
---|
567 | {
|
---|
568 | _retval = mPath;
|
---|
569 | return NS_OK;
|
---|
570 | }
|
---|
571 |
|
---|
572 | nsresult
|
---|
573 | nsLocalFile::GetNativeTargetPathName(nsIFile *newParent,
|
---|
574 | const nsACString &newName,
|
---|
575 | nsACString &_retval)
|
---|
576 | {
|
---|
577 | nsresult rv;
|
---|
578 | nsCOMPtr<nsIFile> oldParent;
|
---|
579 |
|
---|
580 | if (!newParent) {
|
---|
581 | if (NS_FAILED(rv = GetParent(getter_AddRefs(oldParent))))
|
---|
582 | return rv;
|
---|
583 | newParent = oldParent.get();
|
---|
584 | } else {
|
---|
585 | // check to see if our target directory exists
|
---|
586 | PRBool targetExists;
|
---|
587 | if (NS_FAILED(rv = newParent->Exists(&targetExists)))
|
---|
588 | return rv;
|
---|
589 |
|
---|
590 | if (!targetExists) {
|
---|
591 | // XXX create the new directory with some permissions
|
---|
592 | rv = newParent->Create(DIRECTORY_TYPE, 0755);
|
---|
593 | if (NS_FAILED(rv))
|
---|
594 | return rv;
|
---|
595 | } else {
|
---|
596 | // make sure that the target is actually a directory
|
---|
597 | PRBool targetIsDirectory;
|
---|
598 | if (NS_FAILED(rv = newParent->IsDirectory(&targetIsDirectory)))
|
---|
599 | return rv;
|
---|
600 | if (!targetIsDirectory)
|
---|
601 | return NS_ERROR_FILE_DESTINATION_NOT_DIR;
|
---|
602 | }
|
---|
603 | }
|
---|
604 |
|
---|
605 | nsACString::const_iterator nameBegin, nameEnd;
|
---|
606 | if (!newName.IsEmpty()) {
|
---|
607 | newName.BeginReading(nameBegin);
|
---|
608 | newName.EndReading(nameEnd);
|
---|
609 | }
|
---|
610 | else
|
---|
611 | LocateNativeLeafName(nameBegin, nameEnd);
|
---|
612 |
|
---|
613 | nsCAutoString dirName;
|
---|
614 | if (NS_FAILED(rv = newParent->GetNativePath(dirName)))
|
---|
615 | return rv;
|
---|
616 |
|
---|
617 | _retval = dirName
|
---|
618 | + NS_LITERAL_CSTRING("/")
|
---|
619 | + Substring(nameBegin, nameEnd);
|
---|
620 | return NS_OK;
|
---|
621 | }
|
---|
622 |
|
---|
623 | nsresult
|
---|
624 | nsLocalFile::CopyDirectoryTo(nsIFile *newParent)
|
---|
625 | {
|
---|
626 | nsresult rv;
|
---|
627 | /*
|
---|
628 | * dirCheck is used for various boolean test results such as from Equals,
|
---|
629 | * Exists, isDir, etc.
|
---|
630 | */
|
---|
631 | PRBool dirCheck, isSymlink;
|
---|
632 | PRUint32 oldPerms;
|
---|
633 |
|
---|
634 | if NS_FAILED((rv = IsDirectory(&dirCheck)))
|
---|
635 | return rv;
|
---|
636 | if (!dirCheck)
|
---|
637 | return CopyToNative(newParent, EmptyCString());
|
---|
638 |
|
---|
639 | if (NS_FAILED(rv = Equals(newParent, &dirCheck)))
|
---|
640 | return rv;
|
---|
641 | if (dirCheck) {
|
---|
642 | // can't copy dir to itself
|
---|
643 | return NS_ERROR_INVALID_ARG;
|
---|
644 | }
|
---|
645 |
|
---|
646 | if (NS_FAILED(rv = newParent->Exists(&dirCheck)))
|
---|
647 | return rv;
|
---|
648 | if (!dirCheck) {
|
---|
649 | // get the dirs old permissions
|
---|
650 | if (NS_FAILED(rv = GetPermissions(&oldPerms)))
|
---|
651 | return rv;
|
---|
652 | if (NS_FAILED(rv = newParent->Create(DIRECTORY_TYPE, oldPerms)))
|
---|
653 | return rv;
|
---|
654 | } else { // dir exists lets try to use leaf
|
---|
655 | nsCAutoString leafName;
|
---|
656 | if (NS_FAILED(rv = GetNativeLeafName(leafName)))
|
---|
657 | return rv;
|
---|
658 | if (NS_FAILED(rv = newParent->AppendNative(leafName)))
|
---|
659 | return rv;
|
---|
660 | if (NS_FAILED(rv = newParent->Exists(&dirCheck)))
|
---|
661 | return rv;
|
---|
662 | if (dirCheck)
|
---|
663 | return NS_ERROR_FILE_ALREADY_EXISTS; // dest exists
|
---|
664 | if (NS_FAILED(rv = newParent->Create(DIRECTORY_TYPE, oldPerms)))
|
---|
665 | return rv;
|
---|
666 | }
|
---|
667 |
|
---|
668 | nsCOMPtr<nsISimpleEnumerator> dirIterator;
|
---|
669 | if (NS_FAILED(rv = GetDirectoryEntries(getter_AddRefs(dirIterator))))
|
---|
670 | return rv;
|
---|
671 |
|
---|
672 | PRBool hasMore = PR_FALSE;
|
---|
673 | while (dirIterator->HasMoreElements(&hasMore), hasMore) {
|
---|
674 | nsCOMPtr<nsIFile> entry;
|
---|
675 | rv = dirIterator->GetNext((nsISupports**)getter_AddRefs(entry));
|
---|
676 | if (NS_FAILED(rv))
|
---|
677 | continue;
|
---|
678 | if (NS_FAILED(rv = entry->IsSymlink(&isSymlink)))
|
---|
679 | return rv;
|
---|
680 | if (NS_FAILED(rv = entry->IsDirectory(&dirCheck)))
|
---|
681 | return rv;
|
---|
682 | if (dirCheck && !isSymlink) {
|
---|
683 | nsCOMPtr<nsIFile> destClone;
|
---|
684 | rv = newParent->Clone(getter_AddRefs(destClone));
|
---|
685 | if (NS_SUCCEEDED(rv)) {
|
---|
686 | nsCOMPtr<nsILocalFile> newDir(do_QueryInterface(destClone));
|
---|
687 | if (NS_FAILED(rv = entry->CopyToNative(newDir, EmptyCString()))) {
|
---|
688 | #ifdef DEBUG
|
---|
689 | nsresult rv2;
|
---|
690 | nsCAutoString pathName;
|
---|
691 | if (NS_FAILED(rv2 = entry->GetNativePath(pathName)))
|
---|
692 | return rv2;
|
---|
693 | printf("Operation not supported: %s\n", pathName.get());
|
---|
694 | #endif
|
---|
695 | if (rv == NS_ERROR_OUT_OF_MEMORY)
|
---|
696 | return rv;
|
---|
697 | continue;
|
---|
698 | }
|
---|
699 | }
|
---|
700 | } else {
|
---|
701 | if (NS_FAILED(rv = entry->CopyToNative(newParent, EmptyCString()))) {
|
---|
702 | #ifdef DEBUG
|
---|
703 | nsresult rv2;
|
---|
704 | nsCAutoString pathName;
|
---|
705 | if (NS_FAILED(rv2 = entry->GetNativePath(pathName)))
|
---|
706 | return rv2;
|
---|
707 | printf("Operation not supported: %s\n", pathName.get());
|
---|
708 | #endif
|
---|
709 | if (rv == NS_ERROR_OUT_OF_MEMORY)
|
---|
710 | return rv;
|
---|
711 | continue;
|
---|
712 | }
|
---|
713 | }
|
---|
714 | }
|
---|
715 | return NS_OK;
|
---|
716 | }
|
---|
717 |
|
---|
718 | NS_IMETHODIMP
|
---|
719 | nsLocalFile::CopyToNative(nsIFile *newParent, const nsACString &newName)
|
---|
720 | {
|
---|
721 | nsresult rv;
|
---|
722 | // check to make sure that this has been initialized properly
|
---|
723 | CHECK_mPath();
|
---|
724 |
|
---|
725 | // we copy the parent here so 'newParent' remains immutable
|
---|
726 | nsCOMPtr <nsIFile> workParent;
|
---|
727 | if (newParent) {
|
---|
728 | if (NS_FAILED(rv = newParent->Clone(getter_AddRefs(workParent))))
|
---|
729 | return rv;
|
---|
730 | } else {
|
---|
731 | if (NS_FAILED(rv = GetParent(getter_AddRefs(workParent))))
|
---|
732 | return rv;
|
---|
733 | }
|
---|
734 |
|
---|
735 | // check to see if we are a directory or if we are a file
|
---|
736 | PRBool isDirectory;
|
---|
737 | if (NS_FAILED(rv = IsDirectory(&isDirectory)))
|
---|
738 | return rv;
|
---|
739 |
|
---|
740 | nsCAutoString newPathName;
|
---|
741 | if (isDirectory) {
|
---|
742 | if (!newName.IsEmpty()) {
|
---|
743 | if (NS_FAILED(rv = workParent->AppendNative(newName)))
|
---|
744 | return rv;
|
---|
745 | } else {
|
---|
746 | if (NS_FAILED(rv = GetNativeLeafName(newPathName)))
|
---|
747 | return rv;
|
---|
748 | if (NS_FAILED(rv = workParent->AppendNative(newPathName)))
|
---|
749 | return rv;
|
---|
750 | }
|
---|
751 | if (NS_FAILED(rv = CopyDirectoryTo(workParent)))
|
---|
752 | return rv;
|
---|
753 | } else {
|
---|
754 | rv = GetNativeTargetPathName(workParent, newName, newPathName);
|
---|
755 | if (NS_FAILED(rv))
|
---|
756 | return rv;
|
---|
757 |
|
---|
758 | #ifdef DEBUG_blizzard
|
---|
759 | printf("nsLocalFile::CopyTo() %s -> %s\n", mPath.get(), newPathName.get());
|
---|
760 | #endif
|
---|
761 |
|
---|
762 | // actually create the file.
|
---|
763 | nsLocalFile *newFile = new nsLocalFile();
|
---|
764 | if (!newFile)
|
---|
765 | return NS_ERROR_OUT_OF_MEMORY;
|
---|
766 |
|
---|
767 | nsCOMPtr<nsILocalFile> fileRef(newFile); // release on exit
|
---|
768 |
|
---|
769 | rv = newFile->InitWithNativePath(newPathName);
|
---|
770 | if (NS_FAILED(rv))
|
---|
771 | return rv;
|
---|
772 |
|
---|
773 | // get the old permissions
|
---|
774 | PRUint32 myPerms;
|
---|
775 | GetPermissions(&myPerms);
|
---|
776 |
|
---|
777 | // Create the new file with the old file's permissions, even if write
|
---|
778 | // permission is missing. We can't create with write permission and
|
---|
779 | // then change back to myPerm on all filesystems (FAT on Linux, e.g.).
|
---|
780 | // But we can write to a read-only file on all Unix filesystems if we
|
---|
781 | // open it successfully for writing.
|
---|
782 |
|
---|
783 | PRFileDesc *newFD;
|
---|
784 | rv = newFile->CreateAndKeepOpen(NORMAL_FILE_TYPE,
|
---|
785 | PR_WRONLY|PR_CREATE_FILE|PR_TRUNCATE,
|
---|
786 | myPerms,
|
---|
787 | &newFD);
|
---|
788 | if (NS_FAILED(rv))
|
---|
789 | return rv;
|
---|
790 |
|
---|
791 | // open the old file, too
|
---|
792 | PRBool specialFile;
|
---|
793 | if (NS_FAILED(rv = IsSpecial(&specialFile))) {
|
---|
794 | PR_Close(newFD);
|
---|
795 | return rv;
|
---|
796 | }
|
---|
797 | if (specialFile) {
|
---|
798 | #ifdef DEBUG
|
---|
799 | printf("Operation not supported: %s\n", mPath.get());
|
---|
800 | #endif
|
---|
801 | // make sure to clean up properly
|
---|
802 | PR_Close(newFD);
|
---|
803 | return NS_OK;
|
---|
804 | }
|
---|
805 |
|
---|
806 | PRFileDesc *oldFD;
|
---|
807 | rv = OpenNSPRFileDesc(PR_RDONLY, myPerms, &oldFD);
|
---|
808 | if (NS_FAILED(rv)) {
|
---|
809 | // make sure to clean up properly
|
---|
810 | PR_Close(newFD);
|
---|
811 | return rv;
|
---|
812 | }
|
---|
813 |
|
---|
814 | #ifdef DEBUG_blizzard
|
---|
815 | PRInt32 totalRead = 0;
|
---|
816 | PRInt32 totalWritten = 0;
|
---|
817 | #endif
|
---|
818 | char buf[BUFSIZ];
|
---|
819 | PRInt32 bytesRead;
|
---|
820 |
|
---|
821 | while ((bytesRead = PR_Read(oldFD, buf, BUFSIZ)) > 0) {
|
---|
822 | #ifdef DEBUG_blizzard
|
---|
823 | totalRead += bytesRead;
|
---|
824 | #endif
|
---|
825 |
|
---|
826 | // PR_Write promises never to do a short write
|
---|
827 | PRInt32 bytesWritten = PR_Write(newFD, buf, bytesRead);
|
---|
828 | if (bytesWritten < 0) {
|
---|
829 | bytesRead = -1;
|
---|
830 | break;
|
---|
831 | }
|
---|
832 | NS_ASSERTION(bytesWritten == bytesRead, "short PR_Write?");
|
---|
833 |
|
---|
834 | #ifdef DEBUG_blizzard
|
---|
835 | totalWritten += bytesWritten;
|
---|
836 | #endif
|
---|
837 | }
|
---|
838 |
|
---|
839 | #ifdef DEBUG_blizzard
|
---|
840 | printf("read %d bytes, wrote %d bytes\n",
|
---|
841 | totalRead, totalWritten);
|
---|
842 | #endif
|
---|
843 |
|
---|
844 | // close the files
|
---|
845 | PR_Close(newFD);
|
---|
846 | PR_Close(oldFD);
|
---|
847 |
|
---|
848 | // check for read (or write) error after cleaning up
|
---|
849 | if (bytesRead < 0)
|
---|
850 | return NS_ERROR_OUT_OF_MEMORY;
|
---|
851 | }
|
---|
852 | return rv;
|
---|
853 | }
|
---|
854 |
|
---|
855 | NS_IMETHODIMP
|
---|
856 | nsLocalFile::CopyToFollowingLinksNative(nsIFile *newParent, const nsACString &newName)
|
---|
857 | {
|
---|
858 | return CopyToNative(newParent, newName);
|
---|
859 | }
|
---|
860 |
|
---|
861 | NS_IMETHODIMP
|
---|
862 | nsLocalFile::MoveToNative(nsIFile *newParent, const nsACString &newName)
|
---|
863 | {
|
---|
864 | nsresult rv;
|
---|
865 |
|
---|
866 | // check to make sure that this has been initialized properly
|
---|
867 | CHECK_mPath();
|
---|
868 |
|
---|
869 | // check to make sure that we have a new parent
|
---|
870 | nsCAutoString newPathName;
|
---|
871 | rv = GetNativeTargetPathName(newParent, newName, newPathName);
|
---|
872 | if (NS_FAILED(rv))
|
---|
873 | return rv;
|
---|
874 |
|
---|
875 | // try for atomic rename, falling back to copy/delete
|
---|
876 | if (rename(mPath.get(), newPathName.get()) < 0) {
|
---|
877 | #ifdef VMS
|
---|
878 | if (errno == EXDEV || errno == ENXIO) {
|
---|
879 | #else
|
---|
880 | if (errno == EXDEV) {
|
---|
881 | #endif
|
---|
882 | rv = CopyToNative(newParent, newName);
|
---|
883 | if (NS_SUCCEEDED(rv))
|
---|
884 | rv = Remove(PR_TRUE);
|
---|
885 | } else {
|
---|
886 | rv = NSRESULT_FOR_ERRNO();
|
---|
887 | }
|
---|
888 | }
|
---|
889 | return rv;
|
---|
890 | }
|
---|
891 |
|
---|
892 | NS_IMETHODIMP
|
---|
893 | nsLocalFile::Remove(PRBool recursive)
|
---|
894 | {
|
---|
895 | CHECK_mPath();
|
---|
896 |
|
---|
897 | VALIDATE_STAT_CACHE();
|
---|
898 | PRBool isSymLink, isDir;
|
---|
899 |
|
---|
900 | nsresult rv = IsSymlink(&isSymLink);
|
---|
901 | if (NS_FAILED(rv))
|
---|
902 | return rv;
|
---|
903 |
|
---|
904 | if (!recursive && isSymLink)
|
---|
905 | return NSRESULT_FOR_RETURN(unlink(mPath.get()));
|
---|
906 |
|
---|
907 | isDir = S_ISDIR(mCachedStat.st_mode);
|
---|
908 | InvalidateCache();
|
---|
909 | if (isDir) {
|
---|
910 | if (recursive) {
|
---|
911 | nsDirEnumeratorUnix *dir = new nsDirEnumeratorUnix();
|
---|
912 | if (!dir)
|
---|
913 | return NS_ERROR_OUT_OF_MEMORY;
|
---|
914 |
|
---|
915 | nsCOMPtr<nsISimpleEnumerator> dirRef(dir); // release on exit
|
---|
916 |
|
---|
917 | rv = dir->Init(this, PR_FALSE);
|
---|
918 | if (NS_FAILED(rv))
|
---|
919 | return rv;
|
---|
920 |
|
---|
921 | PRBool more;
|
---|
922 | while (dir->HasMoreElements(&more), more) {
|
---|
923 | nsCOMPtr<nsISupports> item;
|
---|
924 | rv = dir->GetNext(getter_AddRefs(item));
|
---|
925 | if (NS_FAILED(rv))
|
---|
926 | return NS_ERROR_FAILURE;
|
---|
927 |
|
---|
928 | nsCOMPtr<nsIFile> file = do_QueryInterface(item, &rv);
|
---|
929 | if (NS_FAILED(rv))
|
---|
930 | return NS_ERROR_FAILURE;
|
---|
931 | if (NS_FAILED(rv = file->Remove(recursive)))
|
---|
932 | return rv;
|
---|
933 | }
|
---|
934 | }
|
---|
935 |
|
---|
936 | if (rmdir(mPath.get()) == -1)
|
---|
937 | return NSRESULT_FOR_ERRNO();
|
---|
938 | } else {
|
---|
939 | if (unlink(mPath.get()) == -1)
|
---|
940 | return NSRESULT_FOR_ERRNO();
|
---|
941 | }
|
---|
942 |
|
---|
943 | return NS_OK;
|
---|
944 | }
|
---|
945 |
|
---|
946 | NS_IMETHODIMP
|
---|
947 | nsLocalFile::GetLastModifiedTime(PRInt64 *aLastModTime)
|
---|
948 | {
|
---|
949 | CHECK_mPath();
|
---|
950 | NS_ENSURE_ARG(aLastModTime);
|
---|
951 |
|
---|
952 | PRFileInfo64 info;
|
---|
953 | if (PR_GetFileInfo64(mPath.get(), &info) != PR_SUCCESS)
|
---|
954 | return NSRESULT_FOR_ERRNO();
|
---|
955 |
|
---|
956 | // PRTime is a 64 bit value
|
---|
957 | // microseconds -> milliseconds
|
---|
958 | PRInt64 usecPerMsec;
|
---|
959 | LL_I2L(usecPerMsec, PR_USEC_PER_MSEC);
|
---|
960 | LL_DIV(*aLastModTime, info.modifyTime, usecPerMsec);
|
---|
961 | return NS_OK;
|
---|
962 | }
|
---|
963 |
|
---|
964 | NS_IMETHODIMP
|
---|
965 | nsLocalFile::SetLastModifiedTime(PRInt64 aLastModTime)
|
---|
966 | {
|
---|
967 | CHECK_mPath();
|
---|
968 |
|
---|
969 | int result;
|
---|
970 | if (! LL_IS_ZERO(aLastModTime)) {
|
---|
971 | VALIDATE_STAT_CACHE();
|
---|
972 | struct utimbuf ut;
|
---|
973 | ut.actime = mCachedStat.st_atime;
|
---|
974 |
|
---|
975 | // convert milliseconds to seconds since the unix epoch
|
---|
976 | double dTime;
|
---|
977 | LL_L2D(dTime, aLastModTime);
|
---|
978 | ut.modtime = (time_t) (dTime / PR_MSEC_PER_SEC);
|
---|
979 | result = utime(mPath.get(), &ut);
|
---|
980 | } else {
|
---|
981 | result = utime(mPath.get(), nsnull);
|
---|
982 | }
|
---|
983 | InvalidateCache();
|
---|
984 | return NSRESULT_FOR_RETURN(result);
|
---|
985 | }
|
---|
986 |
|
---|
987 | NS_IMETHODIMP
|
---|
988 | nsLocalFile::GetLastModifiedTimeOfLink(PRInt64 *aLastModTimeOfLink)
|
---|
989 | {
|
---|
990 | CHECK_mPath();
|
---|
991 | NS_ENSURE_ARG(aLastModTimeOfLink);
|
---|
992 |
|
---|
993 | struct stat sbuf;
|
---|
994 | if (lstat(mPath.get(), &sbuf) == -1)
|
---|
995 | return NSRESULT_FOR_ERRNO();
|
---|
996 | LL_I2L(*aLastModTimeOfLink, (PRInt32)sbuf.st_mtime);
|
---|
997 |
|
---|
998 | // lstat returns st_mtime in seconds
|
---|
999 | PRInt64 msecPerSec;
|
---|
1000 | LL_I2L(msecPerSec, PR_MSEC_PER_SEC);
|
---|
1001 | LL_MUL(*aLastModTimeOfLink, *aLastModTimeOfLink, msecPerSec);
|
---|
1002 |
|
---|
1003 | return NS_OK;
|
---|
1004 | }
|
---|
1005 |
|
---|
1006 | /*
|
---|
1007 | * utime(2) may or may not dereference symlinks, joy.
|
---|
1008 | */
|
---|
1009 | NS_IMETHODIMP
|
---|
1010 | nsLocalFile::SetLastModifiedTimeOfLink(PRInt64 aLastModTimeOfLink)
|
---|
1011 | {
|
---|
1012 | return SetLastModifiedTime(aLastModTimeOfLink);
|
---|
1013 | }
|
---|
1014 |
|
---|
1015 | /*
|
---|
1016 | * Only send back permissions bits: maybe we want to send back the whole
|
---|
1017 | * mode_t to permit checks against other file types?
|
---|
1018 | */
|
---|
1019 |
|
---|
1020 | #define NORMALIZE_PERMS(mode) ((mode)& (S_IRWXU | S_IRWXG | S_IRWXO))
|
---|
1021 |
|
---|
1022 | NS_IMETHODIMP
|
---|
1023 | nsLocalFile::GetPermissions(PRUint32 *aPermissions)
|
---|
1024 | {
|
---|
1025 | NS_ENSURE_ARG(aPermissions);
|
---|
1026 | VALIDATE_STAT_CACHE();
|
---|
1027 | *aPermissions = NORMALIZE_PERMS(mCachedStat.st_mode);
|
---|
1028 | return NS_OK;
|
---|
1029 | }
|
---|
1030 |
|
---|
1031 | NS_IMETHODIMP
|
---|
1032 | nsLocalFile::GetPermissionsOfLink(PRUint32 *aPermissionsOfLink)
|
---|
1033 | {
|
---|
1034 | CHECK_mPath();
|
---|
1035 | NS_ENSURE_ARG(aPermissionsOfLink);
|
---|
1036 |
|
---|
1037 | struct stat sbuf;
|
---|
1038 | if (lstat(mPath.get(), &sbuf) == -1)
|
---|
1039 | return NSRESULT_FOR_ERRNO();
|
---|
1040 | *aPermissionsOfLink = NORMALIZE_PERMS(sbuf.st_mode);
|
---|
1041 | return NS_OK;
|
---|
1042 | }
|
---|
1043 |
|
---|
1044 | NS_IMETHODIMP
|
---|
1045 | nsLocalFile::SetPermissions(PRUint32 aPermissions)
|
---|
1046 | {
|
---|
1047 | CHECK_mPath();
|
---|
1048 |
|
---|
1049 | InvalidateCache();
|
---|
1050 |
|
---|
1051 | /*
|
---|
1052 | * Race condition here: we should use fchmod instead, there's no way to
|
---|
1053 | * guarantee the name still refers to the same file.
|
---|
1054 | */
|
---|
1055 | if (chmod(mPath.get(), aPermissions) < 0)
|
---|
1056 | return NSRESULT_FOR_ERRNO();
|
---|
1057 | return NS_OK;
|
---|
1058 | }
|
---|
1059 |
|
---|
1060 | NS_IMETHODIMP
|
---|
1061 | nsLocalFile::SetPermissionsOfLink(PRUint32 aPermissions)
|
---|
1062 | {
|
---|
1063 | return SetPermissions(aPermissions);
|
---|
1064 | }
|
---|
1065 |
|
---|
1066 | NS_IMETHODIMP
|
---|
1067 | nsLocalFile::GetFileSize(PRInt64 *aFileSize)
|
---|
1068 | {
|
---|
1069 | NS_ENSURE_ARG_POINTER(aFileSize);
|
---|
1070 | *aFileSize = LL_ZERO;
|
---|
1071 | VALIDATE_STAT_CACHE();
|
---|
1072 |
|
---|
1073 | #if defined(VMS)
|
---|
1074 | /* Only two record formats can report correct file content size */
|
---|
1075 | if ((mCachedStat.st_fab_rfm != FAB$C_STMLF) &&
|
---|
1076 | (mCachedStat.st_fab_rfm != FAB$C_STMCR)) {
|
---|
1077 | return NS_ERROR_FAILURE;
|
---|
1078 | }
|
---|
1079 | #endif
|
---|
1080 |
|
---|
1081 | /* XXX autoconf for and use stat64 if available */
|
---|
1082 | if (!S_ISDIR(mCachedStat.st_mode)) {
|
---|
1083 | LL_UI2L(*aFileSize, (PRUint32)mCachedStat.st_size);
|
---|
1084 | }
|
---|
1085 | return NS_OK;
|
---|
1086 | }
|
---|
1087 |
|
---|
1088 | NS_IMETHODIMP
|
---|
1089 | nsLocalFile::SetFileSize(PRInt64 aFileSize)
|
---|
1090 | {
|
---|
1091 | CHECK_mPath();
|
---|
1092 |
|
---|
1093 | PRInt32 size;
|
---|
1094 | LL_L2I(size, aFileSize);
|
---|
1095 | /* XXX truncate64? */
|
---|
1096 | InvalidateCache();
|
---|
1097 | if (truncate(mPath.get(), (off_t)size) == -1)
|
---|
1098 | return NSRESULT_FOR_ERRNO();
|
---|
1099 | return NS_OK;
|
---|
1100 | }
|
---|
1101 |
|
---|
1102 | NS_IMETHODIMP
|
---|
1103 | nsLocalFile::GetFileSizeOfLink(PRInt64 *aFileSize)
|
---|
1104 | {
|
---|
1105 | CHECK_mPath();
|
---|
1106 | NS_ENSURE_ARG(aFileSize);
|
---|
1107 |
|
---|
1108 | struct stat sbuf;
|
---|
1109 | if (lstat(mPath.get(), &sbuf) == -1)
|
---|
1110 | return NSRESULT_FOR_ERRNO();
|
---|
1111 | /* XXX autoconf for and use lstat64 if available */
|
---|
1112 | LL_UI2L(*aFileSize, (PRUint32)sbuf.st_size);
|
---|
1113 | return NS_OK;
|
---|
1114 | }
|
---|
1115 |
|
---|
1116 | NS_IMETHODIMP
|
---|
1117 | nsLocalFile::GetDiskSpaceAvailable(PRInt64 *aDiskSpaceAvailable)
|
---|
1118 | {
|
---|
1119 | NS_ENSURE_ARG_POINTER(aDiskSpaceAvailable);
|
---|
1120 |
|
---|
1121 | // These systems have the operations necessary to check disk space.
|
---|
1122 |
|
---|
1123 | #if defined(HAVE_SYS_STATFS_H) || defined(HAVE_SYS_STATVFS_H)
|
---|
1124 |
|
---|
1125 | // check to make sure that mPath is properly initialized
|
---|
1126 | CHECK_mPath();
|
---|
1127 |
|
---|
1128 | struct STATFS fs_buf;
|
---|
1129 |
|
---|
1130 | /*
|
---|
1131 | * Members of the STATFS struct that you should know about:
|
---|
1132 | * f_bsize = block size on disk.
|
---|
1133 | * f_bavail = number of free blocks available to a non-superuser.
|
---|
1134 | * f_bfree = number of total free blocks in file system.
|
---|
1135 | */
|
---|
1136 |
|
---|
1137 | if (STATFS(mPath.get(), &fs_buf) < 0) {
|
---|
1138 | // The call to STATFS failed.
|
---|
1139 | #ifdef DEBUG
|
---|
1140 | printf("ERROR: GetDiskSpaceAvailable: STATFS call FAILED. \n");
|
---|
1141 | #endif
|
---|
1142 | return NS_ERROR_FAILURE;
|
---|
1143 | }
|
---|
1144 | #ifdef DEBUG_DISK_SPACE
|
---|
1145 | printf("DiskSpaceAvailable: %d bytes\n",
|
---|
1146 | fs_buf.f_bsize * (fs_buf.f_bavail - 1));
|
---|
1147 | #endif
|
---|
1148 |
|
---|
1149 | /*
|
---|
1150 | * The number of bytes free == The number of free blocks available to
|
---|
1151 | * a non-superuser, minus one as a fudge factor, multiplied by the size
|
---|
1152 | * of the aforementioned blocks.
|
---|
1153 | */
|
---|
1154 | PRInt64 bsize, bavail;
|
---|
1155 |
|
---|
1156 | LL_I2L(bsize, fs_buf.f_bsize);
|
---|
1157 | LL_I2L(bavail, fs_buf.f_bavail - 1);
|
---|
1158 | LL_MUL(*aDiskSpaceAvailable, bsize, bavail);
|
---|
1159 | return NS_OK;
|
---|
1160 |
|
---|
1161 | #else
|
---|
1162 | /*
|
---|
1163 | * This platform doesn't have statfs or statvfs. I'm sure that there's
|
---|
1164 | * a way to check for free disk space on platforms that don't have statfs
|
---|
1165 | * (I'm SURE they have df, for example).
|
---|
1166 | *
|
---|
1167 | * Until we figure out how to do that, lets be honest and say that this
|
---|
1168 | * command isn't implemented properly for these platforms yet.
|
---|
1169 | */
|
---|
1170 | #ifdef DEBUG
|
---|
1171 | printf("ERROR: GetDiskSpaceAvailable: Not implemented for plaforms without statfs.\n");
|
---|
1172 | #endif
|
---|
1173 | return NS_ERROR_NOT_IMPLEMENTED;
|
---|
1174 |
|
---|
1175 | #endif /* HAVE_SYS_STATFS_H or HAVE_SYS_STATVFS_H */
|
---|
1176 |
|
---|
1177 | }
|
---|
1178 |
|
---|
1179 | NS_IMETHODIMP
|
---|
1180 | nsLocalFile::GetParent(nsIFile **aParent)
|
---|
1181 | {
|
---|
1182 | CHECK_mPath();
|
---|
1183 | NS_ENSURE_ARG_POINTER(aParent);
|
---|
1184 | *aParent = nsnull;
|
---|
1185 |
|
---|
1186 | // if '/' we are at the top of the volume, return null
|
---|
1187 | if (mPath.Equals("/"))
|
---|
1188 | return NS_OK;
|
---|
1189 |
|
---|
1190 | // <brendan, after jband> I promise to play nice
|
---|
1191 | char *buffer = mPath.BeginWriting(),
|
---|
1192 | *slashp = buffer;
|
---|
1193 |
|
---|
1194 | // find the last significant slash in buffer
|
---|
1195 | slashp = strrchr(buffer, '/');
|
---|
1196 | NS_ASSERTION(slashp, "non-canonical mPath?");
|
---|
1197 | if (!slashp)
|
---|
1198 | return NS_ERROR_FILE_INVALID_PATH;
|
---|
1199 |
|
---|
1200 | // for the case where we are at '/'
|
---|
1201 | if (slashp == buffer)
|
---|
1202 | slashp++;
|
---|
1203 |
|
---|
1204 | // temporarily terminate buffer at the last significant slash
|
---|
1205 | char c = *slashp;
|
---|
1206 | *slashp = '\0';
|
---|
1207 |
|
---|
1208 | nsCOMPtr<nsILocalFile> localFile;
|
---|
1209 | nsresult rv = NS_NewNativeLocalFile(nsDependentCString(buffer), PR_TRUE,
|
---|
1210 | getter_AddRefs(localFile));
|
---|
1211 |
|
---|
1212 | // make buffer whole again
|
---|
1213 | *slashp = c;
|
---|
1214 |
|
---|
1215 | if (NS_SUCCEEDED(rv) && localFile)
|
---|
1216 | rv = CallQueryInterface(localFile, aParent);
|
---|
1217 | return rv;
|
---|
1218 | }
|
---|
1219 |
|
---|
1220 | /*
|
---|
1221 | * The results of Exists, isWritable and isReadable are not cached.
|
---|
1222 | */
|
---|
1223 |
|
---|
1224 | NS_IMETHODIMP
|
---|
1225 | nsLocalFile::Exists(PRBool *_retval)
|
---|
1226 | {
|
---|
1227 | CHECK_mPath();
|
---|
1228 | NS_ENSURE_ARG_POINTER(_retval);
|
---|
1229 |
|
---|
1230 | *_retval = (access(mPath.get(), F_OK) == 0);
|
---|
1231 | return NS_OK;
|
---|
1232 | }
|
---|
1233 |
|
---|
1234 | #ifdef XP_BEOS
|
---|
1235 | // access() is buggy in BeOS POSIX implementation, at least for BFS, using stat() instead
|
---|
1236 | NS_IMETHODIMP
|
---|
1237 | nsLocalFile::IsWritable(PRBool *_retval)
|
---|
1238 | {
|
---|
1239 | CHECK_mPath();
|
---|
1240 | NS_ENSURE_ARG_POINTER(_retval);
|
---|
1241 | struct stat buf;
|
---|
1242 | *_retval = (stat(mPath.get(), &buf) == 0);
|
---|
1243 | *_retval = *_retval && (buf.st_mode & (S_IWUSR | S_IWGRP | S_IWOTH ));
|
---|
1244 | if (*_retval || errno == EACCES)
|
---|
1245 | return NS_OK;
|
---|
1246 | return NSRESULT_FOR_ERRNO();
|
---|
1247 | }
|
---|
1248 |
|
---|
1249 | NS_IMETHODIMP
|
---|
1250 | nsLocalFile::IsReadable(PRBool *_retval)
|
---|
1251 | {
|
---|
1252 | CHECK_mPath();
|
---|
1253 | NS_ENSURE_ARG_POINTER(_retval);
|
---|
1254 | struct stat buf;
|
---|
1255 | *_retval = (stat(mPath.get(), &buf) == 0);
|
---|
1256 | *_retval = *_retval && (buf.st_mode & (S_IRUSR | S_IRGRP | S_IROTH ));
|
---|
1257 | if (*_retval || errno == EACCES)
|
---|
1258 | return NS_OK;
|
---|
1259 | return NSRESULT_FOR_ERRNO();
|
---|
1260 | }
|
---|
1261 |
|
---|
1262 | NS_IMETHODIMP
|
---|
1263 | nsLocalFile::IsExecutable(PRBool *_retval)
|
---|
1264 | {
|
---|
1265 | CHECK_mPath();
|
---|
1266 | NS_ENSURE_ARG_POINTER(_retval);
|
---|
1267 | struct stat buf;
|
---|
1268 | *_retval = (stat(mPath.get(), &buf) == 0);
|
---|
1269 | *_retval = *_retval && (buf.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH ));
|
---|
1270 | if (*_retval || errno == EACCES)
|
---|
1271 | return NS_OK;
|
---|
1272 | return NSRESULT_FOR_ERRNO();
|
---|
1273 | }
|
---|
1274 | #else
|
---|
1275 | NS_IMETHODIMP
|
---|
1276 | nsLocalFile::IsWritable(PRBool *_retval)
|
---|
1277 | {
|
---|
1278 | CHECK_mPath();
|
---|
1279 | NS_ENSURE_ARG_POINTER(_retval);
|
---|
1280 |
|
---|
1281 | *_retval = (access(mPath.get(), W_OK) == 0);
|
---|
1282 | if (*_retval || errno == EACCES)
|
---|
1283 | return NS_OK;
|
---|
1284 | return NSRESULT_FOR_ERRNO();
|
---|
1285 | }
|
---|
1286 |
|
---|
1287 | NS_IMETHODIMP
|
---|
1288 | nsLocalFile::IsReadable(PRBool *_retval)
|
---|
1289 | {
|
---|
1290 | CHECK_mPath();
|
---|
1291 | NS_ENSURE_ARG_POINTER(_retval);
|
---|
1292 |
|
---|
1293 | *_retval = (access(mPath.get(), R_OK) == 0);
|
---|
1294 | if (*_retval || errno == EACCES)
|
---|
1295 | return NS_OK;
|
---|
1296 | return NSRESULT_FOR_ERRNO();
|
---|
1297 | }
|
---|
1298 |
|
---|
1299 | NS_IMETHODIMP
|
---|
1300 | nsLocalFile::IsExecutable(PRBool *_retval)
|
---|
1301 | {
|
---|
1302 | CHECK_mPath();
|
---|
1303 | NS_ENSURE_ARG_POINTER(_retval);
|
---|
1304 |
|
---|
1305 | *_retval = (access(mPath.get(), X_OK) == 0);
|
---|
1306 | if (*_retval || errno == EACCES)
|
---|
1307 | return NS_OK;
|
---|
1308 | return NSRESULT_FOR_ERRNO();
|
---|
1309 | }
|
---|
1310 | #endif
|
---|
1311 | NS_IMETHODIMP
|
---|
1312 | nsLocalFile::IsDirectory(PRBool *_retval)
|
---|
1313 | {
|
---|
1314 | NS_ENSURE_ARG_POINTER(_retval);
|
---|
1315 | *_retval = PR_FALSE;
|
---|
1316 | VALIDATE_STAT_CACHE();
|
---|
1317 | *_retval = S_ISDIR(mCachedStat.st_mode);
|
---|
1318 | return NS_OK;
|
---|
1319 | }
|
---|
1320 |
|
---|
1321 | NS_IMETHODIMP
|
---|
1322 | nsLocalFile::IsFile(PRBool *_retval)
|
---|
1323 | {
|
---|
1324 | NS_ENSURE_ARG_POINTER(_retval);
|
---|
1325 | *_retval = PR_FALSE;
|
---|
1326 | VALIDATE_STAT_CACHE();
|
---|
1327 | *_retval = S_ISREG(mCachedStat.st_mode);
|
---|
1328 | return NS_OK;
|
---|
1329 | }
|
---|
1330 |
|
---|
1331 | NS_IMETHODIMP
|
---|
1332 | nsLocalFile::IsHidden(PRBool *_retval)
|
---|
1333 | {
|
---|
1334 | NS_ENSURE_ARG_POINTER(_retval);
|
---|
1335 | nsACString::const_iterator begin, end;
|
---|
1336 | LocateNativeLeafName(begin, end);
|
---|
1337 | *_retval = (*begin == '.');
|
---|
1338 | return NS_OK;
|
---|
1339 | }
|
---|
1340 |
|
---|
1341 | NS_IMETHODIMP
|
---|
1342 | nsLocalFile::IsSymlink(PRBool *_retval)
|
---|
1343 | {
|
---|
1344 | NS_ENSURE_ARG_POINTER(_retval);
|
---|
1345 | CHECK_mPath();
|
---|
1346 |
|
---|
1347 | struct stat symStat;
|
---|
1348 | lstat(mPath.get(), &symStat);
|
---|
1349 | *_retval=S_ISLNK(symStat.st_mode);
|
---|
1350 | return NS_OK;
|
---|
1351 | }
|
---|
1352 |
|
---|
1353 | NS_IMETHODIMP
|
---|
1354 | nsLocalFile::IsSpecial(PRBool *_retval)
|
---|
1355 | {
|
---|
1356 | NS_ENSURE_ARG_POINTER(_retval);
|
---|
1357 | VALIDATE_STAT_CACHE();
|
---|
1358 | *_retval = S_ISCHR(mCachedStat.st_mode) ||
|
---|
1359 | S_ISBLK(mCachedStat.st_mode) ||
|
---|
1360 | #ifdef S_ISSOCK
|
---|
1361 | S_ISSOCK(mCachedStat.st_mode) ||
|
---|
1362 | #endif
|
---|
1363 | S_ISFIFO(mCachedStat.st_mode);
|
---|
1364 |
|
---|
1365 | return NS_OK;
|
---|
1366 | }
|
---|
1367 |
|
---|
1368 | NS_IMETHODIMP
|
---|
1369 | nsLocalFile::Equals(nsIFile *inFile, PRBool *_retval)
|
---|
1370 | {
|
---|
1371 | NS_ENSURE_ARG(inFile);
|
---|
1372 | NS_ENSURE_ARG_POINTER(_retval);
|
---|
1373 | *_retval = PR_FALSE;
|
---|
1374 |
|
---|
1375 | nsresult rv;
|
---|
1376 | nsCAutoString inPath;
|
---|
1377 |
|
---|
1378 | if (NS_FAILED(rv = inFile->GetNativePath(inPath)))
|
---|
1379 | return rv;
|
---|
1380 |
|
---|
1381 | *_retval = !FILE_STRCMP(inPath.get(), mPath.get());
|
---|
1382 | return NS_OK;
|
---|
1383 | }
|
---|
1384 |
|
---|
1385 | NS_IMETHODIMP
|
---|
1386 | nsLocalFile::Contains(nsIFile *inFile, PRBool recur, PRBool *_retval)
|
---|
1387 | {
|
---|
1388 | CHECK_mPath();
|
---|
1389 | NS_ENSURE_ARG(inFile);
|
---|
1390 | NS_ENSURE_ARG_POINTER(_retval);
|
---|
1391 |
|
---|
1392 | nsCAutoString inPath;
|
---|
1393 | nsresult rv;
|
---|
1394 |
|
---|
1395 | if (NS_FAILED(rv = inFile->GetNativePath(inPath)))
|
---|
1396 | return rv;
|
---|
1397 |
|
---|
1398 | *_retval = PR_FALSE;
|
---|
1399 |
|
---|
1400 | ssize_t len = mPath.Length();
|
---|
1401 | if (FILE_STRNCMP(mPath.get(), inPath.get(), len) == 0) {
|
---|
1402 | // Now make sure that the |inFile|'s path has a separator at len,
|
---|
1403 | // which implies that it has more components after len.
|
---|
1404 | if (inPath[len] == '/')
|
---|
1405 | *_retval = PR_TRUE;
|
---|
1406 | }
|
---|
1407 |
|
---|
1408 | return NS_OK;
|
---|
1409 | }
|
---|
1410 |
|
---|
1411 | NS_IMETHODIMP
|
---|
1412 | nsLocalFile::GetNativeTarget(nsACString &_retval)
|
---|
1413 | {
|
---|
1414 | CHECK_mPath();
|
---|
1415 | _retval.Truncate();
|
---|
1416 |
|
---|
1417 | struct stat symStat;
|
---|
1418 | lstat(mPath.get(), &symStat);
|
---|
1419 | if (!S_ISLNK(symStat.st_mode))
|
---|
1420 | return NS_ERROR_FILE_INVALID_PATH;
|
---|
1421 |
|
---|
1422 | PRInt64 targetSize64;
|
---|
1423 | if (NS_FAILED(GetFileSizeOfLink(&targetSize64)))
|
---|
1424 | return NS_ERROR_FAILURE;
|
---|
1425 |
|
---|
1426 | PRInt32 size;
|
---|
1427 | LL_L2I(size, targetSize64);
|
---|
1428 | char *target = (char *)nsMemory::Alloc(size + 1);
|
---|
1429 | if (!target)
|
---|
1430 | return NS_ERROR_OUT_OF_MEMORY;
|
---|
1431 |
|
---|
1432 | if (readlink(mPath.get(), target, (size_t)size) < 0) {
|
---|
1433 | nsMemory::Free(target);
|
---|
1434 | return NSRESULT_FOR_ERRNO();
|
---|
1435 | }
|
---|
1436 | target[size] = '\0';
|
---|
1437 |
|
---|
1438 | nsresult rv;
|
---|
1439 | PRBool isSymlink;
|
---|
1440 | nsCOMPtr<nsIFile> self(this);
|
---|
1441 | nsCOMPtr<nsIFile> parent;
|
---|
1442 | while (NS_SUCCEEDED(rv = self->GetParent(getter_AddRefs(parent)))) {
|
---|
1443 | NS_ASSERTION(parent != nsnull, "no parent?!");
|
---|
1444 |
|
---|
1445 | if (target[0] != '/') {
|
---|
1446 | nsCOMPtr<nsILocalFile> localFile(do_QueryInterface(parent, &rv));
|
---|
1447 | if (NS_FAILED(rv))
|
---|
1448 | break;
|
---|
1449 | if (NS_FAILED(rv = localFile->AppendRelativeNativePath(nsDependentCString(target))))
|
---|
1450 | break;
|
---|
1451 | if (NS_FAILED(rv = localFile->GetNativePath(_retval)))
|
---|
1452 | break;
|
---|
1453 | if (NS_FAILED(rv = parent->IsSymlink(&isSymlink)))
|
---|
1454 | break;
|
---|
1455 | self = parent;
|
---|
1456 | } else {
|
---|
1457 | nsCOMPtr<nsILocalFile> localFile;
|
---|
1458 | rv = NS_NewNativeLocalFile(nsDependentCString(target), PR_TRUE,
|
---|
1459 | getter_AddRefs(localFile));
|
---|
1460 | if (NS_FAILED(rv))
|
---|
1461 | break;
|
---|
1462 | if (NS_FAILED(rv = localFile->IsSymlink(&isSymlink)))
|
---|
1463 | break;
|
---|
1464 | _retval = target; // XXX can we avoid this buffer copy?
|
---|
1465 | self = do_QueryInterface(localFile);
|
---|
1466 | }
|
---|
1467 | if (NS_FAILED(rv) || !isSymlink)
|
---|
1468 | break;
|
---|
1469 |
|
---|
1470 | const nsPromiseFlatCString &flatRetval = PromiseFlatCString(_retval);
|
---|
1471 |
|
---|
1472 | // strip off any and all trailing '/'
|
---|
1473 | PRInt32 len = strlen(target);
|
---|
1474 | while (target[len-1] == '/' && len > 1)
|
---|
1475 | target[--len] = '\0';
|
---|
1476 | if (lstat(flatRetval.get(), &symStat) < 0) {
|
---|
1477 | rv = NSRESULT_FOR_ERRNO();
|
---|
1478 | break;
|
---|
1479 | }
|
---|
1480 | if (!S_ISLNK(symStat.st_mode)) {
|
---|
1481 | rv = NS_ERROR_FILE_INVALID_PATH;
|
---|
1482 | break;
|
---|
1483 | }
|
---|
1484 | size = symStat.st_size;
|
---|
1485 | if (readlink(flatRetval.get(), target, size) < 0) {
|
---|
1486 | rv = NSRESULT_FOR_ERRNO();
|
---|
1487 | break;
|
---|
1488 | }
|
---|
1489 | target[size] = '\0';
|
---|
1490 |
|
---|
1491 | _retval.Truncate();
|
---|
1492 | }
|
---|
1493 |
|
---|
1494 | nsMemory::Free(target);
|
---|
1495 |
|
---|
1496 | if (NS_FAILED(rv))
|
---|
1497 | _retval.Truncate();
|
---|
1498 | return rv;
|
---|
1499 | }
|
---|
1500 |
|
---|
1501 | /* attribute PRBool followLinks; */
|
---|
1502 | NS_IMETHODIMP
|
---|
1503 | nsLocalFile::GetFollowLinks(PRBool *aFollowLinks)
|
---|
1504 | {
|
---|
1505 | *aFollowLinks = PR_TRUE;
|
---|
1506 | return NS_OK;
|
---|
1507 | }
|
---|
1508 |
|
---|
1509 | NS_IMETHODIMP
|
---|
1510 | nsLocalFile::SetFollowLinks(PRBool aFollowLinks)
|
---|
1511 | {
|
---|
1512 | return NS_OK;
|
---|
1513 | }
|
---|
1514 |
|
---|
1515 | NS_IMETHODIMP
|
---|
1516 | nsLocalFile::GetDirectoryEntries(nsISimpleEnumerator **entries)
|
---|
1517 | {
|
---|
1518 | nsDirEnumeratorUnix *dir = new nsDirEnumeratorUnix();
|
---|
1519 | if (!dir)
|
---|
1520 | return NS_ERROR_OUT_OF_MEMORY;
|
---|
1521 |
|
---|
1522 | NS_ADDREF(dir);
|
---|
1523 | nsresult rv = dir->Init(this, PR_FALSE);
|
---|
1524 | if (NS_FAILED(rv)) {
|
---|
1525 | *entries = nsnull;
|
---|
1526 | NS_RELEASE(dir);
|
---|
1527 | } else {
|
---|
1528 | *entries = dir; // transfer reference
|
---|
1529 | }
|
---|
1530 |
|
---|
1531 | return rv;
|
---|
1532 | }
|
---|
1533 |
|
---|
1534 | NS_IMETHODIMP
|
---|
1535 | nsLocalFile::Load(PRLibrary **_retval)
|
---|
1536 | {
|
---|
1537 | CHECK_mPath();
|
---|
1538 | NS_ENSURE_ARG_POINTER(_retval);
|
---|
1539 |
|
---|
1540 | NS_TIMELINE_START_TIMER("PR_LoadLibrary");
|
---|
1541 |
|
---|
1542 | *_retval = PR_LoadLibrary(mPath.get());
|
---|
1543 |
|
---|
1544 | NS_TIMELINE_STOP_TIMER("PR_LoadLibrary");
|
---|
1545 | NS_TIMELINE_MARK_TIMER1("PR_LoadLibrary", mPath.get());
|
---|
1546 |
|
---|
1547 | if (!*_retval)
|
---|
1548 | return NS_ERROR_FAILURE;
|
---|
1549 | return NS_OK;
|
---|
1550 | }
|
---|
1551 |
|
---|
1552 | NS_IMETHODIMP
|
---|
1553 | nsLocalFile::GetPersistentDescriptor(nsACString &aPersistentDescriptor)
|
---|
1554 | {
|
---|
1555 | return GetNativePath(aPersistentDescriptor);
|
---|
1556 | }
|
---|
1557 |
|
---|
1558 | NS_IMETHODIMP
|
---|
1559 | nsLocalFile::SetPersistentDescriptor(const nsACString &aPersistentDescriptor)
|
---|
1560 | {
|
---|
1561 | return InitWithNativePath(aPersistentDescriptor);
|
---|
1562 | }
|
---|
1563 |
|
---|
1564 | #ifdef XP_BEOS
|
---|
1565 | NS_IMETHODIMP
|
---|
1566 | nsLocalFile::Reveal()
|
---|
1567 | {
|
---|
1568 | BPath bPath(mPath.get());
|
---|
1569 | bPath.GetParent(&bPath);
|
---|
1570 | entry_ref ref;
|
---|
1571 | get_ref_for_path(bPath.Path(),&ref);
|
---|
1572 | BMessage message(B_REFS_RECEIVED);
|
---|
1573 | message.AddRef("refs",&ref);
|
---|
1574 | BMessenger messenger("application/x-vnd.Be-TRAK");
|
---|
1575 | messenger.SendMessage(&message);
|
---|
1576 | return NS_OK;
|
---|
1577 | }
|
---|
1578 |
|
---|
1579 | NS_IMETHODIMP
|
---|
1580 | nsLocalFile::Launch()
|
---|
1581 | {
|
---|
1582 | entry_ref ref;
|
---|
1583 | get_ref_for_path (mPath.get(), &ref);
|
---|
1584 | be_roster->Launch (&ref);
|
---|
1585 |
|
---|
1586 | return NS_OK;
|
---|
1587 | }
|
---|
1588 | #else
|
---|
1589 | NS_IMETHODIMP
|
---|
1590 | nsLocalFile::Reveal()
|
---|
1591 | {
|
---|
1592 | return NS_ERROR_FAILURE;
|
---|
1593 | }
|
---|
1594 |
|
---|
1595 | NS_IMETHODIMP
|
---|
1596 | nsLocalFile::Launch()
|
---|
1597 | {
|
---|
1598 | return NS_ERROR_FAILURE;
|
---|
1599 | }
|
---|
1600 | #endif
|
---|
1601 |
|
---|
1602 | nsresult
|
---|
1603 | NS_NewNativeLocalFile(const nsACString &path, PRBool followSymlinks, nsILocalFile **result)
|
---|
1604 | {
|
---|
1605 | nsLocalFile *file = new nsLocalFile();
|
---|
1606 | if (!file)
|
---|
1607 | return NS_ERROR_OUT_OF_MEMORY;
|
---|
1608 | NS_ADDREF(file);
|
---|
1609 |
|
---|
1610 | if (!path.IsEmpty()) {
|
---|
1611 | nsresult rv = file->InitWithNativePath(path);
|
---|
1612 | if (NS_FAILED(rv)) {
|
---|
1613 | NS_RELEASE(file);
|
---|
1614 | return rv;
|
---|
1615 | }
|
---|
1616 | }
|
---|
1617 | *result = file;
|
---|
1618 | return NS_OK;
|
---|
1619 | }
|
---|
1620 |
|
---|
1621 | //-----------------------------------------------------------------------------
|
---|
1622 | // unicode support
|
---|
1623 | //-----------------------------------------------------------------------------
|
---|
1624 |
|
---|
1625 | #define SET_UCS(func, ucsArg) \
|
---|
1626 | { \
|
---|
1627 | nsCAutoString buf; \
|
---|
1628 | nsresult rv = NS_CopyUnicodeToNative(ucsArg, buf); \
|
---|
1629 | if (NS_FAILED(rv)) \
|
---|
1630 | return rv; \
|
---|
1631 | return (func)(buf); \
|
---|
1632 | }
|
---|
1633 |
|
---|
1634 | #define GET_UCS(func, ucsArg) \
|
---|
1635 | { \
|
---|
1636 | nsCAutoString buf; \
|
---|
1637 | nsresult rv = (func)(buf); \
|
---|
1638 | if (NS_FAILED(rv)) return rv; \
|
---|
1639 | return NS_CopyNativeToUnicode(buf, ucsArg); \
|
---|
1640 | }
|
---|
1641 |
|
---|
1642 | #define SET_UCS_2ARGS_2(func, opaqueArg, ucsArg) \
|
---|
1643 | { \
|
---|
1644 | nsCAutoString buf; \
|
---|
1645 | nsresult rv = NS_CopyUnicodeToNative(ucsArg, buf); \
|
---|
1646 | if (NS_FAILED(rv)) \
|
---|
1647 | return rv; \
|
---|
1648 | return (func)(opaqueArg, buf); \
|
---|
1649 | }
|
---|
1650 |
|
---|
1651 | // Unicode interface Wrapper
|
---|
1652 | nsresult
|
---|
1653 | nsLocalFile::InitWithPath(const nsAString &filePath)
|
---|
1654 | {
|
---|
1655 | SET_UCS(InitWithNativePath, filePath);
|
---|
1656 | }
|
---|
1657 | nsresult
|
---|
1658 | nsLocalFile::Append(const nsAString &node)
|
---|
1659 | {
|
---|
1660 | SET_UCS(AppendNative, node);
|
---|
1661 | }
|
---|
1662 | nsresult
|
---|
1663 | nsLocalFile::AppendRelativePath(const nsAString &node)
|
---|
1664 | {
|
---|
1665 | SET_UCS(AppendRelativeNativePath, node);
|
---|
1666 | }
|
---|
1667 | nsresult
|
---|
1668 | nsLocalFile::GetLeafName(nsAString &aLeafName)
|
---|
1669 | {
|
---|
1670 | GET_UCS(GetNativeLeafName, aLeafName);
|
---|
1671 | }
|
---|
1672 | nsresult
|
---|
1673 | nsLocalFile::SetLeafName(const nsAString &aLeafName)
|
---|
1674 | {
|
---|
1675 | SET_UCS(SetNativeLeafName, aLeafName);
|
---|
1676 | }
|
---|
1677 | nsresult
|
---|
1678 | nsLocalFile::GetPath(nsAString &_retval)
|
---|
1679 | {
|
---|
1680 | return NS_CopyNativeToUnicode(mPath, _retval);
|
---|
1681 | }
|
---|
1682 | nsresult
|
---|
1683 | nsLocalFile::CopyTo(nsIFile *newParentDir, const nsAString &newName)
|
---|
1684 | {
|
---|
1685 | SET_UCS_2ARGS_2(CopyToNative , newParentDir, newName);
|
---|
1686 | }
|
---|
1687 | nsresult
|
---|
1688 | nsLocalFile::CopyToFollowingLinks(nsIFile *newParentDir, const nsAString &newName)
|
---|
1689 | {
|
---|
1690 | SET_UCS_2ARGS_2(CopyToFollowingLinksNative , newParentDir, newName);
|
---|
1691 | }
|
---|
1692 | nsresult
|
---|
1693 | nsLocalFile::MoveTo(nsIFile *newParentDir, const nsAString &newName)
|
---|
1694 | {
|
---|
1695 | SET_UCS_2ARGS_2(MoveToNative, newParentDir, newName);
|
---|
1696 | }
|
---|
1697 | nsresult
|
---|
1698 | nsLocalFile::GetTarget(nsAString &_retval)
|
---|
1699 | {
|
---|
1700 | GET_UCS(GetNativeTarget, _retval);
|
---|
1701 | }
|
---|
1702 | nsresult
|
---|
1703 | NS_NewLocalFile(const nsAString &path, PRBool followLinks, nsILocalFile* *result)
|
---|
1704 | {
|
---|
1705 | nsCAutoString buf;
|
---|
1706 | nsresult rv = NS_CopyUnicodeToNative(path, buf);
|
---|
1707 | if (NS_FAILED(rv))
|
---|
1708 | return rv;
|
---|
1709 | return NS_NewNativeLocalFile(buf, followLinks, result);
|
---|
1710 | }
|
---|
1711 |
|
---|
1712 | //-----------------------------------------------------------------------------
|
---|
1713 | // global init/shutdown
|
---|
1714 | //-----------------------------------------------------------------------------
|
---|
1715 |
|
---|
1716 | void
|
---|
1717 | nsLocalFile::GlobalInit()
|
---|
1718 | {
|
---|
1719 | }
|
---|
1720 |
|
---|
1721 | void
|
---|
1722 | nsLocalFile::GlobalShutdown()
|
---|
1723 | {
|
---|
1724 | }
|
---|