[15496] | 1 | /* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */ |
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| 2 | /* gnome-vfs-directory.c - Directory handling for the GNOME Virtual |
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| 3 | File System. |
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| 4 | |
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| 5 | Copyright (C) 1999 Free Software Foundation |
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| 6 | |
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| 7 | The Gnome Library is free software; you can redistribute it and/or |
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| 8 | modify it under the terms of the GNU Library General Public License as |
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| 9 | published by the Free Software Foundation; either version 2 of the |
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| 10 | License, or (at your option) any later version. |
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| 11 | |
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| 12 | The Gnome Library is distributed in the hope that it will be useful, |
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| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 15 | Library General Public License for more details. |
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| 16 | |
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| 17 | You should have received a copy of the GNU Library General Public |
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| 18 | License along with the Gnome Library; see the file COPYING.LIB. If not, |
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| 19 | write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
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| 20 | Boston, MA 02111-1307, USA. |
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| 21 | |
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| 22 | Author: Ettore Perazzoli <ettore@gnu.org> */ |
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| 23 | |
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| 24 | #include <config.h> |
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[17127] | 25 | #include "gnome-vfs-directory.h" |
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[15496] | 26 | |
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| 27 | #include "gnome-vfs.h" |
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| 28 | #include "gnome-vfs-private.h" |
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| 29 | |
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[15857] | 30 | #define VFS_MAXIMUM_SYMBOLIC_LINK_DEPTH 256 |
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| 31 | |
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[15496] | 32 | struct GnomeVFSDirectoryHandle { |
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| 33 | /* URI of the directory being accessed through the handle. */ |
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| 34 | GnomeVFSURI *uri; |
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| 35 | |
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| 36 | /* Options. */ |
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| 37 | GnomeVFSFileInfoOptions options; |
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| 38 | |
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| 39 | /* Method-specific handle. */ |
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| 40 | GnomeVFSMethodHandle *method_handle; |
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| 41 | |
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| 42 | /* Filter. */ |
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| 43 | const GnomeVFSDirectoryFilter *filter; |
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| 44 | }; |
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| 45 | |
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| 46 | #define CHECK_IF_SUPPORTED(vfs_method, what) \ |
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| 47 | G_STMT_START{ \ |
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[15857] | 48 | if (!VFS_METHOD_HAS_FUNC(vfs_method, what)) \ |
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[15496] | 49 | return GNOME_VFS_ERROR_NOT_SUPPORTED; \ |
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| 50 | }G_STMT_END |
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| 51 | |
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| 52 | |
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| 53 | static GnomeVFSDirectoryHandle * |
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| 54 | gnome_vfs_directory_handle_new (GnomeVFSURI *uri, |
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| 55 | GnomeVFSMethodHandle *method_handle, |
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| 56 | GnomeVFSFileInfoOptions options, |
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| 57 | const GnomeVFSDirectoryFilter *filter) |
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| 58 | { |
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| 59 | GnomeVFSDirectoryHandle *new; |
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| 60 | |
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| 61 | g_return_val_if_fail (uri != NULL, NULL); |
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| 62 | g_return_val_if_fail (method_handle != NULL, NULL); |
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| 63 | |
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| 64 | new = g_new (GnomeVFSDirectoryHandle, 1); |
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| 65 | |
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| 66 | gnome_vfs_uri_ref (uri); |
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| 67 | |
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| 68 | new->uri = uri; |
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| 69 | new->method_handle = method_handle; |
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| 70 | new->options = options; |
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| 71 | new->filter = filter; |
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| 72 | |
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| 73 | return new; |
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| 74 | } |
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| 75 | |
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| 76 | static void |
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| 77 | gnome_vfs_directory_handle_destroy (GnomeVFSDirectoryHandle *handle) |
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| 78 | { |
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| 79 | g_return_if_fail (handle != NULL); |
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| 80 | |
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| 81 | gnome_vfs_uri_unref (handle->uri); |
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| 82 | |
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| 83 | g_free (handle); |
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| 84 | } |
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| 85 | |
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| 86 | |
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| 87 | static GnomeVFSResult |
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| 88 | open_from_uri (GnomeVFSDirectoryHandle **handle, |
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| 89 | GnomeVFSURI *uri, |
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| 90 | GnomeVFSFileInfoOptions options, |
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| 91 | const GnomeVFSDirectoryFilter *filter, |
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| 92 | GnomeVFSContext *context) |
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| 93 | { |
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| 94 | GnomeVFSMethodHandle *method_handle; |
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| 95 | GnomeVFSResult result; |
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| 96 | |
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| 97 | CHECK_IF_SUPPORTED (uri->method, open_directory); |
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| 98 | |
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| 99 | |
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| 100 | result = uri->method->open_directory (uri->method, |
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| 101 | &method_handle, |
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| 102 | uri, |
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| 103 | options, |
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| 104 | filter, |
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| 105 | context); |
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| 106 | if (result != GNOME_VFS_OK) { |
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| 107 | return result; |
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| 108 | } |
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| 109 | |
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| 110 | *handle = gnome_vfs_directory_handle_new (uri, |
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| 111 | method_handle, |
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| 112 | options, |
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| 113 | filter); |
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| 114 | |
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| 115 | return GNOME_VFS_OK; |
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| 116 | } |
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| 117 | |
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| 118 | static GnomeVFSResult |
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| 119 | open (GnomeVFSDirectoryHandle **handle, |
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| 120 | const gchar *text_uri, |
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| 121 | GnomeVFSFileInfoOptions options, |
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| 122 | const GnomeVFSDirectoryFilter *filter, |
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| 123 | GnomeVFSContext *context) |
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| 124 | { |
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| 125 | GnomeVFSURI *uri; |
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| 126 | GnomeVFSResult result; |
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| 127 | |
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| 128 | g_return_val_if_fail (handle != NULL, GNOME_VFS_ERROR_BAD_PARAMETERS); |
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| 129 | g_return_val_if_fail (text_uri != NULL, GNOME_VFS_ERROR_BAD_PARAMETERS); |
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| 130 | |
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| 131 | uri = gnome_vfs_uri_new (text_uri); |
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| 132 | if (uri == NULL) |
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| 133 | return GNOME_VFS_ERROR_INVALID_URI; |
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| 134 | |
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| 135 | result = open_from_uri (handle, uri, options, filter, |
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| 136 | context); |
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| 137 | |
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| 138 | gnome_vfs_uri_unref (uri); |
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| 139 | |
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| 140 | return result; |
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| 141 | } |
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| 142 | |
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| 143 | /** |
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| 144 | * gnome_vfs_directory_open: |
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| 145 | * @handle: A pointer to a pointer to a GnomeVFSDirectoryHandle object |
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| 146 | * @text_uri: String representing the URI to open |
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| 147 | * @options: Options for reading file information |
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| 148 | * @filter: Filter to be applied to the directory entries |
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| 149 | * |
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| 150 | * Open directory @text_uri for reading. On return, @*handle will point to |
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| 151 | * a %GnomeVFSDirectoryHandle object which can be used to read the directory |
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| 152 | * entries one by one. |
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| 153 | * |
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| 154 | * Return value: An integer representing the result of the operation. |
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| 155 | **/ |
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| 156 | GnomeVFSResult |
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| 157 | gnome_vfs_directory_open (GnomeVFSDirectoryHandle **handle, |
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| 158 | const gchar *text_uri, |
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| 159 | GnomeVFSFileInfoOptions options, |
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| 160 | const GnomeVFSDirectoryFilter *filter) |
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| 161 | { |
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| 162 | g_return_val_if_fail (handle != NULL, GNOME_VFS_ERROR_BAD_PARAMETERS); |
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| 163 | g_return_val_if_fail (text_uri != NULL, GNOME_VFS_ERROR_BAD_PARAMETERS); |
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| 164 | |
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| 165 | return open (handle, text_uri, options, filter, NULL); |
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| 166 | } |
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| 167 | |
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| 168 | /** |
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| 169 | * gnome_vfs_directory_open_from_uri: |
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| 170 | * @handle: A pointer to a pointer to a GnomeVFSDirectoryHandle object |
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| 171 | * @uri: URI to open |
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| 172 | * @options: Options for reading file information |
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| 173 | * @filter: Filter to be applied to the directory entries |
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| 174 | * |
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| 175 | * Open directory @text_uri for reading. On return, @*handle will point to |
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| 176 | * a %GnomeVFSDirectoryHandle object which can be used to read the directory |
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| 177 | * entries one by one. |
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| 178 | * |
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| 179 | * Return value: An integer representing the result of the operation. |
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| 180 | **/ |
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| 181 | GnomeVFSResult |
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| 182 | gnome_vfs_directory_open_from_uri (GnomeVFSDirectoryHandle **handle, |
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| 183 | GnomeVFSURI *uri, |
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| 184 | GnomeVFSFileInfoOptions options, |
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| 185 | const GnomeVFSDirectoryFilter *filter) |
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| 186 | { |
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| 187 | g_return_val_if_fail (handle != NULL, GNOME_VFS_ERROR_BAD_PARAMETERS); |
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| 188 | g_return_val_if_fail (uri != NULL, GNOME_VFS_ERROR_BAD_PARAMETERS); |
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| 189 | |
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| 190 | return open_from_uri (handle, uri, options, filter, NULL); |
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| 191 | } |
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| 192 | |
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[15594] | 193 | GnomeVFSResult |
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| 194 | gnome_vfs_directory_open_from_uri_cancellable (GnomeVFSDirectoryHandle **handle, |
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| 195 | GnomeVFSURI *uri, |
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| 196 | GnomeVFSFileInfoOptions options, |
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| 197 | const GnomeVFSDirectoryFilter *filter, |
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| 198 | GnomeVFSContext *context) |
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| 199 | { |
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| 200 | g_return_val_if_fail (handle != NULL, GNOME_VFS_ERROR_BAD_PARAMETERS); |
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| 201 | g_return_val_if_fail (uri != NULL, GNOME_VFS_ERROR_BAD_PARAMETERS); |
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| 202 | |
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| 203 | return open_from_uri (handle, uri, options, filter, context); |
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| 204 | } |
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| 205 | |
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[15496] | 206 | /** |
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| 207 | * gnome_vfs_directory_read_next: |
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| 208 | * @handle: A directory handle |
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| 209 | * @file_info: Pointer to a %GnomeVFSFileInfo struct where the data about |
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| 210 | * the entry will be stored |
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| 211 | * |
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| 212 | * Read the next directory entry from @handle. |
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| 213 | * |
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| 214 | * Return value: An integer value representing the result of the operation. |
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| 215 | **/ |
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| 216 | GnomeVFSResult |
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| 217 | gnome_vfs_directory_read_next (GnomeVFSDirectoryHandle *handle, |
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| 218 | GnomeVFSFileInfo *file_info) |
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| 219 | { |
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| 220 | CHECK_IF_SUPPORTED (handle->uri->method, read_directory); |
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| 221 | |
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| 222 | gnome_vfs_file_info_clear (file_info); |
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| 223 | return handle->uri->method->read_directory (handle->uri->method, |
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| 224 | handle->method_handle, |
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| 225 | file_info, NULL); |
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| 226 | } |
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| 227 | |
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[15594] | 228 | GnomeVFSResult |
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| 229 | gnome_vfs_directory_read_next_cancellable (GnomeVFSDirectoryHandle *handle, |
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| 230 | GnomeVFSFileInfo *file_info, |
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| 231 | GnomeVFSContext *context) |
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| 232 | { |
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| 233 | CHECK_IF_SUPPORTED (handle->uri->method, read_directory); |
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| 234 | |
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| 235 | gnome_vfs_file_info_clear (file_info); |
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| 236 | return handle->uri->method->read_directory (handle->uri->method, |
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| 237 | handle->method_handle, |
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| 238 | file_info, context); |
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| 239 | } |
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| 240 | |
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| 241 | |
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[15496] | 242 | /** |
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| 243 | * gnome_vfs_directory_close: |
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| 244 | * @handle: A directory handle. |
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| 245 | * |
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| 246 | * Close @handle. |
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| 247 | * |
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| 248 | * Return value: An integer representing the result of the operation. |
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| 249 | **/ |
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| 250 | GnomeVFSResult |
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| 251 | gnome_vfs_directory_close (GnomeVFSDirectoryHandle *handle) |
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| 252 | { |
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| 253 | GnomeVFSResult result; |
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| 254 | |
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| 255 | CHECK_IF_SUPPORTED (handle->uri->method, close_directory); |
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| 256 | |
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| 257 | result = handle->uri->method->close_directory (handle->uri->method, |
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| 258 | handle->method_handle, |
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| 259 | NULL); |
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| 260 | |
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| 261 | gnome_vfs_directory_handle_destroy (handle); |
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| 262 | |
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| 263 | return result; |
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| 264 | } |
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| 265 | |
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| 266 | |
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| 267 | struct _DirectoryReference { |
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| 268 | ino_t inode; |
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| 269 | dev_t device; |
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| 270 | }; |
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| 271 | typedef struct _DirectoryReference DirectoryReference; |
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| 272 | |
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| 273 | static GList * |
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| 274 | prepend_reference (GList *reference_list, |
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| 275 | GnomeVFSFileInfo *info) |
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| 276 | { |
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| 277 | DirectoryReference *reference; |
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| 278 | |
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| 279 | reference = g_new (DirectoryReference, 1); |
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| 280 | reference->device = info->device; |
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| 281 | reference->inode = info->inode; |
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| 282 | |
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| 283 | return g_list_prepend (reference_list, reference); |
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| 284 | } |
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| 285 | |
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| 286 | static GList * |
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| 287 | remove_first_reference (GList *reference_list) |
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| 288 | { |
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| 289 | GList *first; |
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| 290 | |
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| 291 | if (reference_list == NULL) |
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| 292 | return NULL; |
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| 293 | |
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| 294 | first = reference_list; |
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| 295 | g_free (first->data); |
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| 296 | |
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| 297 | reference_list = g_list_remove_link (reference_list, first); |
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| 298 | g_list_free (first); |
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| 299 | |
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| 300 | return reference_list; |
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| 301 | } |
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| 302 | |
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| 303 | static gboolean |
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| 304 | lookup_ancestor (GList *ancestors, |
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[15857] | 305 | gboolean inode_and_device_are_valid, |
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[15496] | 306 | ino_t inode, |
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| 307 | dev_t device) |
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| 308 | { |
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| 309 | GList *p; |
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| 310 | |
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[15857] | 311 | if (!inode_and_device_are_valid) { |
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| 312 | return g_list_length (ancestors) >= VFS_MAXIMUM_SYMBOLIC_LINK_DEPTH; |
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| 313 | } |
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| 314 | |
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[15496] | 315 | for (p = ancestors; p != NULL; p = p->next) { |
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| 316 | DirectoryReference *reference; |
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| 317 | |
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| 318 | reference = p->data; |
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| 319 | if (reference->inode == inode && reference->device == device) |
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| 320 | return TRUE; |
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| 321 | } |
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| 322 | |
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| 323 | return FALSE; |
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| 324 | } |
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| 325 | |
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| 326 | static GnomeVFSResult |
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| 327 | directory_visit_internal (GnomeVFSURI *uri, |
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| 328 | const gchar *prefix, |
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| 329 | GList *ancestor_references, /* DirectoryReference */ |
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| 330 | GnomeVFSFileInfoOptions info_options, |
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| 331 | const GnomeVFSDirectoryFilter *filter, |
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| 332 | GnomeVFSDirectoryVisitOptions visit_options, |
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| 333 | GnomeVFSDirectoryVisitFunc callback, |
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| 334 | gpointer data) |
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| 335 | { |
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| 336 | GnomeVFSFileInfo *info; |
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| 337 | GnomeVFSDirectoryHandle *handle; |
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| 338 | GnomeVFSResult result; |
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| 339 | gboolean stop; |
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| 340 | |
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| 341 | /* The first time, initialize the ancestor list with this |
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| 342 | directory. */ |
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| 343 | if (prefix == NULL) { |
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| 344 | GnomeVFSFileInfo *info; |
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| 345 | |
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| 346 | info = gnome_vfs_file_info_new (); |
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| 347 | result = gnome_vfs_get_file_info_uri (uri, info, |
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| 348 | info_options); |
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| 349 | if (result != GNOME_VFS_OK) { |
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| 350 | gnome_vfs_file_info_unref (info); |
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| 351 | return result; |
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| 352 | } |
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| 353 | |
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| 354 | if (info->type != GNOME_VFS_FILE_TYPE_DIRECTORY) { |
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| 355 | gnome_vfs_file_info_unref (info); |
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| 356 | return GNOME_VFS_ERROR_NOT_A_DIRECTORY; |
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| 357 | } |
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| 358 | |
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| 359 | ancestor_references = prepend_reference (ancestor_references, |
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| 360 | info); |
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| 361 | gnome_vfs_file_info_unref (info); |
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| 362 | } |
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| 363 | |
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| 364 | result = gnome_vfs_directory_open_from_uri (&handle, uri, info_options, |
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| 365 | filter); |
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| 366 | if (result != GNOME_VFS_OK) |
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| 367 | return result; |
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| 368 | |
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| 369 | info = gnome_vfs_file_info_new (); |
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| 370 | |
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| 371 | stop = FALSE; |
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| 372 | while (! stop) { |
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| 373 | gchar *rel_path; |
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| 374 | gboolean recurse; |
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| 375 | gboolean recursing_will_loop; |
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| 376 | |
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| 377 | result = gnome_vfs_directory_read_next (handle, info); |
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| 378 | if (result != GNOME_VFS_OK) |
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| 379 | break; |
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| 380 | |
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| 381 | /* Skip "." and "..". */ |
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| 382 | if (info->name[0] == '.' |
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| 383 | && (info->name[1] == 0 |
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| 384 | || (info->name[1] == '.' && info->name[2] == 0))) { |
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| 385 | gnome_vfs_file_info_clear (info); |
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| 386 | continue; |
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| 387 | } |
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| 388 | |
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| 389 | if (prefix == NULL) |
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| 390 | rel_path = g_strdup (info->name); |
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| 391 | else |
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| 392 | rel_path = g_strconcat (prefix, info->name, NULL); |
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| 393 | |
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| 394 | if (info->type == GNOME_VFS_FILE_TYPE_DIRECTORY |
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| 395 | && (visit_options & GNOME_VFS_DIRECTORY_VISIT_LOOPCHECK)) |
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| 396 | recursing_will_loop |
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| 397 | = lookup_ancestor (ancestor_references, |
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[15857] | 398 | (info->valid_fields & GNOME_VFS_FILE_INFO_FIELDS_DEVICE) && |
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| 399 | (info->valid_fields & GNOME_VFS_FILE_INFO_FIELDS_INODE), |
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[15496] | 400 | info->inode, info->device); |
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| 401 | else |
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| 402 | recursing_will_loop = FALSE; |
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| 403 | |
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| 404 | recurse = FALSE; |
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| 405 | stop = ! (* callback) (rel_path, info, recursing_will_loop, |
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| 406 | data, &recurse); |
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| 407 | |
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| 408 | if (! stop |
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| 409 | && recurse |
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| 410 | && info->type == GNOME_VFS_FILE_TYPE_DIRECTORY) { |
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| 411 | GnomeVFSURI *new_uri; |
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| 412 | gchar *new_prefix; |
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| 413 | |
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| 414 | if (prefix == NULL) |
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| 415 | new_prefix = g_strconcat (info->name, "/", |
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| 416 | NULL); |
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| 417 | else |
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| 418 | new_prefix = g_strconcat (prefix, info->name, |
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| 419 | "/", NULL); |
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| 420 | |
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| 421 | new_uri = gnome_vfs_uri_append_file_name (uri, info->name); |
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| 422 | |
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| 423 | |
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| 424 | if (GNOME_VFS_FILE_INFO_LOCAL (info)) |
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| 425 | ancestor_references = prepend_reference |
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| 426 | (ancestor_references, info); |
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| 427 | |
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| 428 | result = directory_visit_internal (new_uri, |
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| 429 | new_prefix, |
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| 430 | ancestor_references, |
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| 431 | info_options, |
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| 432 | filter, |
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| 433 | visit_options, |
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| 434 | callback, data); |
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| 435 | |
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| 436 | if (GNOME_VFS_FILE_INFO_LOCAL (info)) |
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| 437 | ancestor_references = remove_first_reference |
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| 438 | (ancestor_references); |
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| 439 | |
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| 440 | if (result != GNOME_VFS_OK) |
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| 441 | stop = TRUE; |
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| 442 | |
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| 443 | gnome_vfs_uri_unref (new_uri); |
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| 444 | g_free (new_prefix); |
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| 445 | } |
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| 446 | |
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| 447 | g_free (rel_path); |
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| 448 | |
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| 449 | gnome_vfs_file_info_clear (info); |
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| 450 | |
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| 451 | if (stop) |
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| 452 | break; |
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| 453 | } |
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| 454 | |
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| 455 | gnome_vfs_directory_close (handle); |
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| 456 | gnome_vfs_file_info_unref (info); |
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| 457 | |
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| 458 | /* The first time, we are responsible for de-allocating the directory |
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| 459 | reference we have added by ourselves. */ |
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| 460 | if (prefix == NULL) |
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| 461 | ancestor_references |
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| 462 | = remove_first_reference (ancestor_references); |
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| 463 | |
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| 464 | if (result == GNOME_VFS_ERROR_EOF) |
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| 465 | return GNOME_VFS_OK; |
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| 466 | else |
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| 467 | return result; |
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| 468 | } |
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| 469 | |
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| 470 | /** |
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| 471 | * gnome_vfs_directory_visit_uri: |
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| 472 | * @uri: URI to start from |
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| 473 | * @info_options: Options specifying what kind of file information must be |
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| 474 | * retrieved |
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| 475 | * @filter: Filter to be used while visiting the directory |
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| 476 | * @visit_options: Options specifying the type of visit |
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| 477 | * @callback: Callback to be called for every visited file |
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| 478 | * @data: Data to be passed to @callback at each iteration |
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| 479 | * |
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| 480 | * Visit @uri, retrieving information as specified by @info_options. |
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| 481 | * Also, @filter will be applied. |
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| 482 | * |
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| 483 | * Return value: |
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| 484 | **/ |
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| 485 | GnomeVFSResult |
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| 486 | gnome_vfs_directory_visit_uri (GnomeVFSURI *uri, |
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| 487 | GnomeVFSFileInfoOptions info_options, |
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| 488 | const GnomeVFSDirectoryFilter *filter, |
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| 489 | GnomeVFSDirectoryVisitOptions visit_options, |
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| 490 | GnomeVFSDirectoryVisitFunc callback, |
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| 491 | gpointer data) |
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| 492 | { |
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| 493 | g_return_val_if_fail (uri != NULL, GNOME_VFS_ERROR_BAD_PARAMETERS); |
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| 494 | |
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| 495 | return directory_visit_internal (uri, NULL, NULL, |
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| 496 | info_options, filter, |
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| 497 | visit_options, callback, data); |
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| 498 | } |
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| 499 | |
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| 500 | /** |
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| 501 | * gnome_vfs_directory_visit: |
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| 502 | * @uri: URI to start from |
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| 503 | * @info_options: Options specifying what kind of file information must be |
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| 504 | * retrieved |
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| 505 | * @filter: Filter to be used while visiting the directory |
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| 506 | * @visit_options: Options specifying the type of visit |
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| 507 | * @callback: Callback to be called for every visited file |
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| 508 | * @data: Data to be passed to @callback at each iteration |
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| 509 | * |
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| 510 | * Visit @uri, retrieving information as specified by @info_options. Also, |
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| 511 | * @filter will be applied. |
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| 512 | * |
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| 513 | * Return value: |
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| 514 | **/ |
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| 515 | GnomeVFSResult |
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| 516 | gnome_vfs_directory_visit (const gchar *text_uri, |
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| 517 | GnomeVFSFileInfoOptions info_options, |
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| 518 | const GnomeVFSDirectoryFilter *filter, |
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| 519 | GnomeVFSDirectoryVisitOptions visit_options, |
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| 520 | GnomeVFSDirectoryVisitFunc callback, |
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| 521 | gpointer data) |
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| 522 | { |
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| 523 | GnomeVFSURI *uri; |
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| 524 | GnomeVFSResult result; |
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| 525 | |
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| 526 | g_return_val_if_fail (text_uri != NULL, GNOME_VFS_ERROR_BAD_PARAMETERS); |
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| 527 | |
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| 528 | uri = gnome_vfs_uri_new (text_uri); |
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| 529 | |
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| 530 | result = directory_visit_internal (uri, NULL, NULL, |
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| 531 | info_options, filter, |
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| 532 | visit_options, callback, data); |
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| 533 | |
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| 534 | gnome_vfs_uri_unref (uri); |
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| 535 | |
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| 536 | return result; |
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| 537 | } |
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| 538 | |
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| 539 | GnomeVFSResult |
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| 540 | gnome_vfs_directory_visit_files_at_uri (GnomeVFSURI *uri, |
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| 541 | GList *file_list, |
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| 542 | GnomeVFSFileInfoOptions info_options, |
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| 543 | const GnomeVFSDirectoryFilter *filter, |
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| 544 | GnomeVFSDirectoryVisitOptions |
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| 545 | visit_options, |
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| 546 | GnomeVFSDirectoryVisitFunc callback, |
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| 547 | gpointer data) |
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| 548 | { |
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| 549 | GnomeVFSFileInfo *info; |
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| 550 | GnomeVFSResult result; |
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| 551 | GList *p; |
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| 552 | |
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| 553 | g_return_val_if_fail (uri != NULL, GNOME_VFS_ERROR_BAD_PARAMETERS); |
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| 554 | g_return_val_if_fail (file_list != NULL, GNOME_VFS_ERROR_BAD_PARAMETERS); |
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| 555 | |
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| 556 | info = gnome_vfs_file_info_new (); |
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| 557 | result = GNOME_VFS_OK; |
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| 558 | |
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| 559 | for (p = file_list; p != NULL; p = p->next) { |
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| 560 | GnomeVFSURI *file_uri; |
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| 561 | gboolean recurse; |
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| 562 | gboolean stop; |
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| 563 | |
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| 564 | file_uri = gnome_vfs_uri_append_file_name (uri, p->data); |
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| 565 | gnome_vfs_get_file_info_uri (file_uri, |
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| 566 | info, |
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| 567 | info_options); |
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| 568 | |
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| 569 | recurse = FALSE; |
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| 570 | stop = ! (* callback) (info->name, info, FALSE, data, |
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| 571 | &recurse); |
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| 572 | |
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| 573 | if (! stop |
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| 574 | && recurse |
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| 575 | && info->type == GNOME_VFS_FILE_TYPE_DIRECTORY) |
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| 576 | result = gnome_vfs_directory_visit_uri |
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| 577 | (uri, |
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| 578 | info_options, |
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| 579 | filter, |
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| 580 | visit_options, |
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| 581 | callback, |
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| 582 | data); |
---|
| 583 | |
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| 584 | gnome_vfs_uri_unref (file_uri); |
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| 585 | |
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| 586 | if (result != GNOME_VFS_OK || stop) |
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| 587 | break; |
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| 588 | } |
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| 589 | |
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| 590 | gnome_vfs_file_info_unref (info); |
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| 591 | return GNOME_VFS_OK; |
---|
| 592 | } |
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| 593 | |
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| 594 | GnomeVFSResult |
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| 595 | gnome_vfs_directory_visit_files (const gchar *text_uri, |
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| 596 | GList *file_list, |
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| 597 | GnomeVFSFileInfoOptions info_options, |
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| 598 | const GnomeVFSDirectoryFilter *filter, |
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| 599 | GnomeVFSDirectoryVisitOptions |
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| 600 | visit_options, |
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| 601 | GnomeVFSDirectoryVisitFunc callback, |
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| 602 | gpointer data) |
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| 603 | { |
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| 604 | GnomeVFSURI *uri; |
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| 605 | GnomeVFSResult result; |
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| 606 | |
---|
| 607 | uri = gnome_vfs_uri_new (text_uri); |
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| 608 | |
---|
| 609 | result = gnome_vfs_directory_visit_files_at_uri (uri, file_list, |
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| 610 | info_options, |
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| 611 | filter, |
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| 612 | visit_options, |
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| 613 | callback, |
---|
| 614 | data); |
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| 615 | gnome_vfs_uri_unref (uri); |
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| 616 | |
---|
| 617 | return result; |
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| 618 | } |
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[15857] | 619 | |
---|
| 620 | static GnomeVFSResult |
---|
| 621 | load_from_handle (GList **list, |
---|
| 622 | GnomeVFSDirectoryHandle *handle) |
---|
| 623 | { |
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| 624 | GnomeVFSResult result; |
---|
| 625 | GnomeVFSFileInfo *info; |
---|
| 626 | |
---|
| 627 | *list = NULL; |
---|
| 628 | |
---|
| 629 | for (;;) { |
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| 630 | info = gnome_vfs_file_info_new (); |
---|
| 631 | result = gnome_vfs_directory_read_next (handle, info); |
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| 632 | if (result != GNOME_VFS_OK) |
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| 633 | break; |
---|
| 634 | *list = g_list_prepend (*list, info); |
---|
| 635 | } |
---|
| 636 | |
---|
| 637 | *list = g_list_reverse (*list); |
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| 638 | |
---|
| 639 | gnome_vfs_file_info_unref (info); |
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| 640 | |
---|
| 641 | if (result != GNOME_VFS_ERROR_EOF) { |
---|
| 642 | gnome_vfs_file_info_list_free (*list); |
---|
| 643 | *list = NULL; |
---|
| 644 | } |
---|
| 645 | |
---|
| 646 | return GNOME_VFS_OK; |
---|
| 647 | } |
---|
| 648 | |
---|
| 649 | /** |
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| 650 | * gnome_vfs_directory_list_load: |
---|
[17127] | 651 | * @list: An address of a pointer to a list of GnomeVFSFileInfo |
---|
[15857] | 652 | * @text_uri: A text URI |
---|
| 653 | * @options: Options for loading the directory |
---|
| 654 | * @filter: Filter to be applied to the files being read |
---|
| 655 | * |
---|
| 656 | * Load a directory from @text_uri with the specified @options |
---|
| 657 | * into a list. Directory entries are filtered through |
---|
| 658 | * @filter. |
---|
| 659 | * |
---|
| 660 | * Return value: An integer representing the result of the operation. |
---|
| 661 | **/ |
---|
| 662 | GnomeVFSResult |
---|
| 663 | gnome_vfs_directory_list_load (GList **list, |
---|
| 664 | const gchar *text_uri, |
---|
| 665 | GnomeVFSFileInfoOptions options, |
---|
| 666 | const GnomeVFSDirectoryFilter *filter) |
---|
| 667 | { |
---|
| 668 | GnomeVFSDirectoryHandle *handle; |
---|
| 669 | GnomeVFSResult result; |
---|
| 670 | |
---|
| 671 | result = gnome_vfs_directory_open (&handle, text_uri, options, filter); |
---|
| 672 | if (result != GNOME_VFS_OK) { |
---|
| 673 | return result; |
---|
| 674 | } |
---|
| 675 | |
---|
| 676 | result = load_from_handle (list, handle); |
---|
| 677 | |
---|
| 678 | gnome_vfs_directory_close (handle); |
---|
| 679 | return result; |
---|
| 680 | } |
---|
| 681 | |
---|