1 | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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.org code.
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16 | *
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17 | * The Initial Developer of the Original Code is
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18 | * Netscape Communications Corporation.
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19 | * Portions created by the Initial Developer are Copyright (C) 1998
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20 | * the Initial Developer. All Rights Reserved.
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21 | *
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22 | * Contributor(s):
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23 | * Henry Sobotka <[email protected]>
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24 | *
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25 | * Alternatively, the contents of this file may be used under the terms of
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26 | * either of the GNU General Public License Version 2 or later (the "GPL"),
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27 | * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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28 | * in which case the provisions of the GPL or the LGPL are applicable instead
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29 | * of those above. If you wish to allow use of your version of this file only
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30 | * under the terms of either the GPL or the LGPL, and not to allow others to
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31 | * use your version of this file under the terms of the MPL, indicate your
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32 | * decision by deleting the provisions above and replace them with the notice
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33 | * and other provisions required by the GPL or the LGPL. If you do not delete
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34 | * the provisions above, a recipient may use your version of this file under
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35 | * the terms of any one of the MPL, the GPL or the LGPL.
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36 | *
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37 | * ***** END LICENSE BLOCK ***** */
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38 |
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39 | // This file is included by nsFileSpec.cpp, and includes the Unix-specific
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40 | // implementations.
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41 |
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42 | #include <sys/stat.h>
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43 | #include <sys/param.h>
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44 | #include <errno.h>
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45 | #include <dirent.h>
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46 | #include <unistd.h>
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47 | #include <stdlib.h>
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48 | #include <limits.h>
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49 | #include "xpcom-private.h"
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50 | #include "nsError.h"
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51 | #include "prio.h" /* for PR_Rename */
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52 | #include "nsAutoBuffer.h"
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53 |
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54 | #if defined(_SCO_DS)
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55 | #define _SVID3 /* for statvfs.h */
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56 | #endif
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57 |
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58 | #ifdef HAVE_SYS_STATVFS_H
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59 | #include <sys/statvfs.h>
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60 | #endif
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61 |
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62 | #ifdef HAVE_SYS_VFS_H
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63 | #include <sys/vfs.h>
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64 | #endif
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65 |
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66 | #ifdef HAVE_SYS_STATFS_H
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67 | #include <sys/statfs.h>
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68 | #endif
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69 |
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70 | #ifdef HAVE_SYS_MOUNT_H
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71 | #include <sys/mount.h>
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72 | #undef Free
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73 | #endif
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74 |
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75 | #ifdef HAVE_STATVFS
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76 | #define STATFS statvfs
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77 | #else
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78 | #define STATFS statfs
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79 | #endif
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80 |
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81 | #ifndef MAXPATHLEN
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82 | #define MAXPATHLEN 1024 /* Guessing this is okay. Works for SCO. */
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83 | #endif
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84 |
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85 | #if defined(__QNX__)
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86 | #include <unix.h> /* for realpath */
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87 | #define f_bavail f_bfree
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88 | extern "C" int truncate(const char *, off_t);
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89 | #endif
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90 |
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91 | #if defined(SUNOS4)
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92 | extern "C" int statfs(char *, struct statfs *);
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93 | #endif
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94 |
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95 | #if defined(OSF1)
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96 | extern "C" int statvfs(const char *, struct statvfs *);
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97 | #endif
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98 |
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99 | #ifdef XP_MACOSX
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100 | static void CopyUTF8toUTF16NFC(const nsACString& aSrc, nsAString& aResult);
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101 | #endif
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102 |
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103 | //----------------------------------------------------------------------------------------
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104 | void nsFileSpecHelpers::Canonify(nsSimpleCharString& ioPath, PRBool inMakeDirs)
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105 | // Canonify, make absolute, and check whether directories exist
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106 | //----------------------------------------------------------------------------------------
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107 | {
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108 | if (ioPath.IsEmpty())
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109 | return;
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110 | if (inMakeDirs)
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111 | {
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112 | const mode_t mode = 0700;
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113 | nsFileSpecHelpers::MakeAllDirectories((const char*)ioPath, mode);
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114 | }
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115 |
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116 | errno = 0; // needed?
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117 |
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118 | if (ioPath[0] != '/')
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119 | {
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120 | // the ioPath that was passed in is relative. We must cat it to the cwd.
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121 | char buffer[MAXPATHLEN];
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122 |
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123 | (void) getcwd(buffer, MAXPATHLEN);
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124 |
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125 | strcat(buffer, "/");
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126 | strcat(buffer, ioPath);
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127 |
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128 | ioPath = buffer;
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129 | }
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130 | } // nsFileSpecHelpers::Canonify
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131 |
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132 | //----------------------------------------------------------------------------------------
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133 | void nsFileSpec::SetLeafName(const char* inLeafName)
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134 | //----------------------------------------------------------------------------------------
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135 | {
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136 | mPath.LeafReplace('/', inLeafName);
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137 | } // nsFileSpec::SetLeafName
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138 |
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139 | //----------------------------------------------------------------------------------------
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140 | char* nsFileSpec::GetLeafName() const
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141 | //----------------------------------------------------------------------------------------
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142 | {
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143 | #ifndef XP_MACOSX
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144 | return mPath.GetLeaf('/');
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145 | #else
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146 | char *name = mPath.GetLeaf('/');
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147 | if (!name || !*name)
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148 | return name;
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149 | nsAutoString nameInNFC;
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150 | CopyUTF8toUTF16NFC(nsDependentCString(name), nameInNFC);
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151 | nsCRT::free(name);
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152 | return nsCRT::strdup(NS_ConvertUTF16toUTF8(nameInNFC).get());
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153 | #endif
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154 | } // nsFileSpec::GetLeafName
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155 |
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156 | //----------------------------------------------------------------------------------------
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157 | PRBool nsFileSpec::Exists() const
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158 | //----------------------------------------------------------------------------------------
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159 | {
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160 | struct stat st;
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161 | return !mPath.IsEmpty() && 0 == stat(mPath, &st);
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162 | } // nsFileSpec::Exists
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163 |
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164 | //----------------------------------------------------------------------------------------
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165 | void nsFileSpec::GetModDate(TimeStamp& outStamp) const
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166 | //----------------------------------------------------------------------------------------
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167 | {
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168 | struct stat st;
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169 | if (!mPath.IsEmpty() && stat(mPath, &st) == 0)
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170 | outStamp = st.st_mtime;
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171 | else
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172 | outStamp = 0;
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173 | } // nsFileSpec::GetModDate
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174 |
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175 | //----------------------------------------------------------------------------------------
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176 | PRUint32 nsFileSpec::GetFileSize() const
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177 | //----------------------------------------------------------------------------------------
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178 | {
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179 | struct stat st;
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180 | if (!mPath.IsEmpty() && stat(mPath, &st) == 0)
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181 | return (PRUint32)st.st_size;
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182 | return 0;
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183 | } // nsFileSpec::GetFileSize
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184 |
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185 | //----------------------------------------------------------------------------------------
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186 | PRBool nsFileSpec::IsFile() const
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187 | //----------------------------------------------------------------------------------------
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188 | {
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189 | struct stat st;
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190 | return !mPath.IsEmpty() && stat(mPath, &st) == 0 && S_ISREG(st.st_mode);
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191 | } // nsFileSpec::IsFile
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192 |
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193 | //----------------------------------------------------------------------------------------
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194 | PRBool nsFileSpec::IsDirectory() const
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195 | //----------------------------------------------------------------------------------------
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196 | {
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197 | struct stat st;
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198 | return !mPath.IsEmpty() && 0 == stat(mPath, &st) && S_ISDIR(st.st_mode);
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199 | } // nsFileSpec::IsDirectory
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200 |
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201 | //----------------------------------------------------------------------------------------
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202 | PRBool nsFileSpec::IsHidden() const
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203 | //----------------------------------------------------------------------------------------
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204 | {
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205 | PRBool hidden = PR_FALSE;
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206 | char *leafname = GetLeafName();
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207 | if (nsnull != leafname)
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208 | {
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209 | // rjc: don't return ".", "..", or any file/directory that begins with a "."
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210 |
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211 | /* if ((!strcmp(leafname, ".")) || (!strcmp(leafname, ".."))) */
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212 | if (leafname[0] == '.')
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213 | {
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214 | hidden = PR_TRUE;
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215 | }
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216 | nsCRT::free(leafname);
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217 | }
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218 | return hidden;
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219 | } // nsFileSpec::IsHidden
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220 |
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221 | //----------------------------------------------------------------------------------------
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222 | PRBool nsFileSpec::IsSymlink() const
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223 | //----------------------------------------------------------------------------------------
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224 | {
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225 | struct stat st;
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226 | if (!mPath.IsEmpty() && stat(mPath, &st) == 0 && S_ISLNK(st.st_mode))
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227 | return PR_TRUE;
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228 |
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229 | return PR_FALSE;
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230 | } // nsFileSpec::IsSymlink
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231 |
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232 | //----------------------------------------------------------------------------------------
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233 | nsresult nsFileSpec::ResolveSymlink(PRBool& wasAliased)
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234 | //----------------------------------------------------------------------------------------
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235 | {
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236 | wasAliased = PR_FALSE;
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237 |
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238 | char resolvedPath[MAXPATHLEN];
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239 | int charCount = readlink(mPath, (char*)&resolvedPath, MAXPATHLEN);
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240 | if (0 < charCount)
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241 | {
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242 | if (MAXPATHLEN > charCount)
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243 | resolvedPath[charCount] = '\0';
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244 |
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245 | wasAliased = PR_TRUE;
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246 |
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247 | /* if it's not an absolute path,
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248 | replace the leaf with what got resolved */
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249 | if (resolvedPath[0] != '/') {
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250 | SetLeafName(resolvedPath);
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251 | }
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252 | else {
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253 | mPath = (char*)&resolvedPath;
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254 | }
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255 |
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256 | char* canonicalPath = realpath((const char *)mPath, resolvedPath);
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257 | NS_ASSERTION(canonicalPath, "realpath failed");
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258 | if (canonicalPath) {
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259 | mPath = (char*)&resolvedPath;
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260 | }
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261 | else {
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262 | return NS_ERROR_FAILURE;
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263 | }
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264 | }
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265 |
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266 | return NS_OK;
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267 | } // nsFileSpec::ResolveSymlink
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268 |
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269 |
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270 | //----------------------------------------------------------------------------------------
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271 | void nsFileSpec::GetParent(nsFileSpec& outSpec) const
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272 | //----------------------------------------------------------------------------------------
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273 | {
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274 | outSpec.mPath = mPath;
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275 | char* chars = (char*)outSpec.mPath;
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276 | chars[outSpec.mPath.Length() - 1] = '\0'; // avoid trailing separator, if any
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277 | char* cp = strrchr(chars, '/');
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278 | if (cp++)
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279 | outSpec.mPath.SetLength(cp - chars); // truncate.
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280 | } // nsFileSpec::GetParent
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281 |
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282 | //----------------------------------------------------------------------------------------
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283 | void nsFileSpec::operator += (const char* inRelativePath)
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284 | //----------------------------------------------------------------------------------------
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285 | {
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286 | NS_ASSERTION(inRelativePath, "Attempt to do += with a null string");
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287 |
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288 | if (!inRelativePath || mPath.IsEmpty())
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289 | return;
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290 |
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291 | char endChar = mPath[(int)(strlen(mPath) - 1)];
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292 | if (endChar == '/')
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293 | mPath += "x";
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294 | else
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295 | mPath += "/x";
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296 | SetLeafName(inRelativePath);
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297 | } // nsFileSpec::operator +=
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298 |
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299 | //----------------------------------------------------------------------------------------
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300 | void nsFileSpec::CreateDirectory(int mode)
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301 | //----------------------------------------------------------------------------------------
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302 | {
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303 | // Note that mPath is canonical!
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304 | if (mPath.IsEmpty())
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305 | return;
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306 | mkdir(mPath, mode);
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307 | } // nsFileSpec::CreateDirectory
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308 |
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309 | //----------------------------------------------------------------------------------------
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310 | void nsFileSpec::Delete(PRBool inRecursive) const
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311 | // To check if this worked, call Exists() afterwards, see?
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312 | //----------------------------------------------------------------------------------------
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313 | {
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314 | if (IsDirectory())
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315 | {
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316 | if (inRecursive)
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317 | {
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318 | for (nsDirectoryIterator i(*this, PR_FALSE); i.Exists(); i++)
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319 | {
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320 | nsFileSpec& child = (nsFileSpec&)i;
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321 | child.Delete(inRecursive);
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322 | }
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323 | }
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324 | rmdir(mPath);
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325 | }
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326 | else if (!mPath.IsEmpty())
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327 | remove(mPath);
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328 | } // nsFileSpec::Delete
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329 |
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330 | //----------------------------------------------------------------------------------------
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331 | void nsFileSpec::RecursiveCopy(nsFileSpec newDir) const
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332 | //----------------------------------------------------------------------------------------
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333 | {
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334 | if (IsDirectory())
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335 | {
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336 | if (!(newDir.Exists()))
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337 | {
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338 | newDir.CreateDirectory();
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339 | }
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340 |
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341 | for (nsDirectoryIterator i(*this, PR_FALSE); i.Exists(); i++)
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342 | {
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343 | nsFileSpec& child = (nsFileSpec&)i;
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344 |
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345 | if (child.IsDirectory())
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346 | {
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347 | nsFileSpec tmpDirSpec(newDir);
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348 |
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349 | char *leafname = child.GetLeafName();
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350 | tmpDirSpec += leafname;
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351 | nsCRT::free(leafname);
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352 |
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353 | child.RecursiveCopy(tmpDirSpec);
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354 | }
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355 | else
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356 | {
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357 | child.RecursiveCopy(newDir);
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358 | }
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359 | }
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360 | }
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361 | else if (!mPath.IsEmpty())
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362 | {
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363 | nsFileSpec& filePath = (nsFileSpec&) *this;
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364 |
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365 | if (!(newDir.Exists()))
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366 | {
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367 | newDir.CreateDirectory();
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368 | }
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369 |
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370 | filePath.CopyToDir(newDir);
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371 | }
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372 | } // nsFileSpec::RecursiveCopy
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373 |
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374 |
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375 | //----------------------------------------------------------------------------------------
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376 | nsresult nsFileSpec::Truncate(PRInt32 offset) const
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377 | //----------------------------------------------------------------------------------------
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378 | {
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379 | char* Path = nsCRT::strdup(mPath);
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380 |
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381 | int rv = truncate(Path, offset) ;
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382 |
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383 | nsCRT::free(Path) ;
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384 |
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385 | if(!rv)
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386 | return NS_OK ;
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387 | else
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388 | return NS_ERROR_FAILURE ;
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389 | } // nsFileSpec::Truncate
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390 |
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391 | //----------------------------------------------------------------------------------------
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392 | nsresult nsFileSpec::Rename(const char* inNewName)
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393 | //----------------------------------------------------------------------------------------
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394 | {
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395 | NS_ASSERTION(inNewName, "Attempt to Rename with a null string");
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396 |
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397 | // This function should not be used to move a file on disk.
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398 | if (mPath.IsEmpty() || strchr(inNewName, '/'))
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399 | return NS_FILE_FAILURE;
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400 |
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401 | char* oldPath = nsCRT::strdup(mPath);
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402 |
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403 | SetLeafName(inNewName);
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404 |
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405 | if (PR_Rename(oldPath, mPath) != NS_OK)
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406 | {
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407 | // Could not rename, set back to the original.
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408 | mPath = oldPath;
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409 | return NS_FILE_FAILURE;
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410 | }
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411 |
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412 | nsCRT::free(oldPath);
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413 |
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414 | return NS_OK;
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415 | } // nsFileSpec::Rename
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416 |
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417 | //----------------------------------------------------------------------------------------
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418 | static int CrudeFileCopy(const char* in, const char* out)
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419 | //----------------------------------------------------------------------------------------
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420 | {
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421 | struct stat in_stat;
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422 | int stat_result = -1;
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423 |
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424 | char buf [1024];
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425 | FILE *ifp, *ofp;
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426 | int rbytes, wbytes;
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427 |
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428 | if (!in || !out)
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429 | return -1;
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430 |
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431 | stat_result = stat (in, &in_stat);
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432 |
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433 | ifp = fopen (in, "r");
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434 | if (!ifp)
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435 | {
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436 | return -1;
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437 | }
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438 |
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439 | ofp = fopen (out, "w");
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440 | if (!ofp)
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441 | {
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442 | fclose (ifp);
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443 | return -1;
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444 | }
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445 |
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446 | while ((rbytes = fread (buf, 1, sizeof(buf), ifp)) > 0)
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447 | {
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448 | while (rbytes > 0)
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449 | {
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450 | if ( (wbytes = fwrite (buf, 1, rbytes, ofp)) < 0 )
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451 | {
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452 | fclose (ofp);
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453 | fclose (ifp);
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454 | unlink(out);
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455 | return -1;
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456 | }
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457 | rbytes -= wbytes;
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458 | }
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459 | }
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460 | fclose (ofp);
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461 | fclose (ifp);
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462 |
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463 | if (stat_result == 0)
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464 | chmod (out, in_stat.st_mode & 0777);
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465 |
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466 | return 0;
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467 | } // nsFileSpec::Rename
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468 |
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469 | //----------------------------------------------------------------------------------------
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470 | nsresult nsFileSpec::CopyToDir(const nsFileSpec& inParentDirectory) const
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471 | //----------------------------------------------------------------------------------------
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472 | {
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473 | // We can only copy into a directory, and (for now) can not copy entire directories
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474 | nsresult result = NS_FILE_FAILURE;
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475 |
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476 | if (inParentDirectory.IsDirectory() && (! IsDirectory() ) )
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477 | {
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478 | char *leafname = GetLeafName();
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479 | nsSimpleCharString destPath(inParentDirectory.GetCString());
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480 | destPath += "/";
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481 | destPath += leafname;
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482 | nsCRT::free(leafname);
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483 | result = NS_FILE_RESULT(CrudeFileCopy(GetCString(), destPath));
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484 | }
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485 | return result;
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486 | } // nsFileSpec::CopyToDir
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487 |
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488 | //----------------------------------------------------------------------------------------
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489 | nsresult nsFileSpec::MoveToDir(const nsFileSpec& inNewParentDirectory)
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490 | //----------------------------------------------------------------------------------------
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491 | {
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492 | // We can only copy into a directory, and (for now) can not copy entire directories
|
---|
493 | nsresult result = NS_FILE_FAILURE;
|
---|
494 |
|
---|
495 | if (inNewParentDirectory.IsDirectory() && !IsDirectory())
|
---|
496 | {
|
---|
497 | char *leafname = GetLeafName();
|
---|
498 | nsSimpleCharString destPath(inNewParentDirectory.GetCString());
|
---|
499 | destPath += "/";
|
---|
500 | destPath += leafname;
|
---|
501 | nsCRT::free(leafname);
|
---|
502 |
|
---|
503 | result = NS_FILE_RESULT(CrudeFileCopy(GetCString(), (const char*)destPath));
|
---|
504 | if (result == NS_OK)
|
---|
505 | {
|
---|
506 | // cast to fix const-ness
|
---|
507 | ((nsFileSpec*)this)->Delete(PR_FALSE);
|
---|
508 |
|
---|
509 | *this = inNewParentDirectory + GetLeafName();
|
---|
510 | }
|
---|
511 | }
|
---|
512 | return result;
|
---|
513 | }
|
---|
514 |
|
---|
515 | //----------------------------------------------------------------------------------------
|
---|
516 | nsresult nsFileSpec::Execute(const char* inArgs ) const
|
---|
517 | //----------------------------------------------------------------------------------------
|
---|
518 | {
|
---|
519 | nsresult result = NS_FILE_FAILURE;
|
---|
520 |
|
---|
521 | if (!mPath.IsEmpty() && !IsDirectory())
|
---|
522 | {
|
---|
523 | nsSimpleCharString fileNameWithArgs = mPath + " " + inArgs;
|
---|
524 | result = NS_FILE_RESULT(system(fileNameWithArgs));
|
---|
525 | }
|
---|
526 |
|
---|
527 | return result;
|
---|
528 |
|
---|
529 | } // nsFileSpec::Execute
|
---|
530 |
|
---|
531 | //----------------------------------------------------------------------------------------
|
---|
532 | PRInt64 nsFileSpec::GetDiskSpaceAvailable() const
|
---|
533 | //----------------------------------------------------------------------------------------
|
---|
534 | {
|
---|
535 | PRInt64 bytes; /* XXX dougt needs to fix this */
|
---|
536 | LL_I2L(bytes , LONG_MAX); // initialize to all the space in the world?
|
---|
537 |
|
---|
538 |
|
---|
539 | #if defined(HAVE_SYS_STATFS_H) || defined(HAVE_SYS_STATVFS_H)
|
---|
540 |
|
---|
541 | char curdir [MAXPATHLEN];
|
---|
542 | if (mPath.IsEmpty())
|
---|
543 | {
|
---|
544 | (void) getcwd(curdir, MAXPATHLEN);
|
---|
545 | if (!curdir)
|
---|
546 | return bytes; /* hope for the best as we did in cheddar */
|
---|
547 | }
|
---|
548 | else
|
---|
549 | sprintf(curdir, "%.200s", (const char*)mPath);
|
---|
550 |
|
---|
551 | struct STATFS fs_buf;
|
---|
552 | #if defined(__QNX__) && !defined(HAVE_STATVFS) /* Maybe this should be handled differently? */
|
---|
553 | if (STATFS(curdir, &fs_buf, 0, 0) < 0)
|
---|
554 | #else
|
---|
555 | if (STATFS(curdir, &fs_buf) < 0)
|
---|
556 | #endif
|
---|
557 | return bytes; /* hope for the best as we did in cheddar */
|
---|
558 |
|
---|
559 | #ifdef DEBUG_DISK_SPACE
|
---|
560 | printf("DiskSpaceAvailable: %d bytes\n",
|
---|
561 | fs_buf.f_bsize * (fs_buf.f_bavail - 1));
|
---|
562 | #endif
|
---|
563 |
|
---|
564 | PRInt64 bsize,bavail;
|
---|
565 | LL_I2L( bsize, fs_buf.f_bsize );
|
---|
566 | LL_I2L( bavail, fs_buf.f_bavail - 1 );
|
---|
567 | LL_MUL( bytes, bsize, bavail );
|
---|
568 | return bytes;
|
---|
569 |
|
---|
570 | #else
|
---|
571 | /*
|
---|
572 | ** This platform doesn't have statfs or statvfs, so we don't have much
|
---|
573 | ** choice but to "hope for the best as we did in cheddar".
|
---|
574 | */
|
---|
575 | return bytes;
|
---|
576 | #endif /* HAVE_SYS_STATFS_H or HAVE_SYS_STATVFS_H */
|
---|
577 |
|
---|
578 | } // nsFileSpec::GetDiskSpace()
|
---|
579 |
|
---|
580 | //========================================================================================
|
---|
581 | // nsDirectoryIterator
|
---|
582 | //========================================================================================
|
---|
583 |
|
---|
584 | //----------------------------------------------------------------------------------------
|
---|
585 | nsDirectoryIterator::nsDirectoryIterator(const nsFileSpec& inDirectory, PRBool resolveSymLinks)
|
---|
586 | //----------------------------------------------------------------------------------------
|
---|
587 | : mCurrent(inDirectory)
|
---|
588 | , mExists(PR_FALSE)
|
---|
589 | , mResoveSymLinks(resolveSymLinks)
|
---|
590 | , mStarting(inDirectory)
|
---|
591 | , mDir(nsnull)
|
---|
592 |
|
---|
593 | {
|
---|
594 | mStarting += "sysygy"; // save off the starting directory
|
---|
595 | mCurrent += "sysygy"; // prepare the path for SetLeafName
|
---|
596 | mDir = opendir((const char*)nsFilePath(inDirectory));
|
---|
597 | ++(*this);
|
---|
598 | } // nsDirectoryIterator::nsDirectoryIterator
|
---|
599 |
|
---|
600 | //----------------------------------------------------------------------------------------
|
---|
601 | nsDirectoryIterator::~nsDirectoryIterator()
|
---|
602 | //----------------------------------------------------------------------------------------
|
---|
603 | {
|
---|
604 | if (mDir)
|
---|
605 | closedir(mDir);
|
---|
606 | } // nsDirectoryIterator::nsDirectoryIterator
|
---|
607 |
|
---|
608 | //----------------------------------------------------------------------------------------
|
---|
609 | nsDirectoryIterator& nsDirectoryIterator::operator ++ ()
|
---|
610 | //----------------------------------------------------------------------------------------
|
---|
611 | {
|
---|
612 | mExists = PR_FALSE;
|
---|
613 | if (!mDir)
|
---|
614 | return *this;
|
---|
615 | const char dot[] = ".";
|
---|
616 | const char dotdot[] = "..";
|
---|
617 | struct dirent* entry = readdir(mDir);
|
---|
618 | if (entry && strcmp(entry->d_name, dot) == 0)
|
---|
619 | entry = readdir(mDir);
|
---|
620 | if (entry && strcmp(entry->d_name, dotdot) == 0)
|
---|
621 | entry = readdir(mDir);
|
---|
622 | if (entry)
|
---|
623 | {
|
---|
624 | mExists = PR_TRUE;
|
---|
625 | mCurrent = mStarting; // restore mCurrent to be the starting directory. ResolveSymlink() may have taken us to another directory
|
---|
626 | mCurrent.SetLeafName(entry->d_name);
|
---|
627 | if (mResoveSymLinks)
|
---|
628 | {
|
---|
629 | PRBool ignore;
|
---|
630 | mCurrent.ResolveSymlink(ignore);
|
---|
631 | }
|
---|
632 | }
|
---|
633 | return *this;
|
---|
634 | } // nsDirectoryIterator::operator ++
|
---|
635 |
|
---|
636 | //----------------------------------------------------------------------------------------
|
---|
637 | nsDirectoryIterator& nsDirectoryIterator::operator -- ()
|
---|
638 | //----------------------------------------------------------------------------------------
|
---|
639 | {
|
---|
640 | return ++(*this); // can't do it backwards.
|
---|
641 | } // nsDirectoryIterator::operator --
|
---|
642 |
|
---|
643 | // Convert a UTF-8 string to a UTF-16 string while normalizing to
|
---|
644 | // Normalization Form C (composed Unicode). We need this because
|
---|
645 | // Mac OS X file system uses NFD (Normalization Form D : decomposed Unicode)
|
---|
646 | // while most other OS', server-side programs usually expect NFC.
|
---|
647 |
|
---|
648 | #ifdef XP_MACOSX
|
---|
649 | typedef void (*UnicodeNormalizer) (CFMutableStringRef, CFStringNormalizationForm);
|
---|
650 | static void CopyUTF8toUTF16NFC(const nsACString& aSrc, nsAString& aResult)
|
---|
651 | {
|
---|
652 | static PRBool sChecked = PR_FALSE;
|
---|
653 | static UnicodeNormalizer sUnicodeNormalizer = NULL;
|
---|
654 |
|
---|
655 | // CFStringNormalize was not introduced until Mac OS 10.2
|
---|
656 | if (!sChecked) {
|
---|
657 | CFBundleRef carbonBundle =
|
---|
658 | CFBundleGetBundleWithIdentifier(CFSTR("com.apple.Carbon"));
|
---|
659 | if (carbonBundle)
|
---|
660 | sUnicodeNormalizer = (UnicodeNormalizer)
|
---|
661 | ::CFBundleGetFunctionPointerForName(carbonBundle,
|
---|
662 | CFSTR("CFStringNormalize"));
|
---|
663 | sChecked = PR_TRUE;
|
---|
664 | }
|
---|
665 |
|
---|
666 | if (!sUnicodeNormalizer) { // OS X 10.1 or earlier
|
---|
667 | CopyUTF8toUTF16(aSrc, aResult);
|
---|
668 | return;
|
---|
669 | }
|
---|
670 |
|
---|
671 | const nsAFlatCString &inFlatSrc = PromiseFlatCString(aSrc);
|
---|
672 |
|
---|
673 | // The number of 16bit code units in a UTF-16 string will never be
|
---|
674 | // larger than the number of bytes in the corresponding UTF-8 string.
|
---|
675 | CFMutableStringRef inStr =
|
---|
676 | ::CFStringCreateMutable(NULL, inFlatSrc.Length());
|
---|
677 |
|
---|
678 | if (!inStr) {
|
---|
679 | CopyUTF8toUTF16(aSrc, aResult);
|
---|
680 | return;
|
---|
681 | }
|
---|
682 |
|
---|
683 | ::CFStringAppendCString(inStr, inFlatSrc.get(), kCFStringEncodingUTF8);
|
---|
684 |
|
---|
685 | sUnicodeNormalizer(inStr, kCFStringNormalizationFormC);
|
---|
686 |
|
---|
687 | CFIndex length = CFStringGetLength(inStr);
|
---|
688 | const UniChar* chars = CFStringGetCharactersPtr(inStr);
|
---|
689 |
|
---|
690 | if (chars)
|
---|
691 | aResult.Assign(chars, length);
|
---|
692 | else {
|
---|
693 | nsAutoBuffer<UniChar, 512> buffer;
|
---|
694 | if (buffer.EnsureElemCapacity(length)) {
|
---|
695 | CFStringGetCharacters(inStr, CFRangeMake(0, length), buffer.get());
|
---|
696 | aResult.Assign(buffer.get(), length);
|
---|
697 | }
|
---|
698 | else
|
---|
699 | CopyUTF8toUTF16(aSrc, aResult);
|
---|
700 | }
|
---|
701 | CFRelease(inStr);
|
---|
702 | }
|
---|
703 | #endif
|
---|