opensim – Blame information for rev 1
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1 | eva | 1 | /* |
2 | * Copyright (c) Contributors, http://opensimulator.org/ |
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3 | * See CONTRIBUTORS.TXT for a full list of copyright holders. |
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4 | * |
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5 | * Redistribution and use in source and binary forms, with or without |
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6 | * modification, are permitted provided that the following conditions are met: |
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7 | * * Redistributions of source code must retain the above copyright |
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8 | * notice, this list of conditions and the following disclaimer. |
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9 | * * Redistributions in binary form must reproduce the above copyright |
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10 | * notice, this list of conditions and the following disclaimer in the |
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11 | * documentation and/or other materials provided with the distribution. |
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12 | * * Neither the name of the OpenSimulator Project nor the |
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13 | * names of its contributors may be used to endorse or promote products |
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14 | * derived from this software without specific prior written permission. |
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15 | * |
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16 | * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY |
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17 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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18 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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19 | * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY |
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20 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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21 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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22 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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23 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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24 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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25 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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26 | */ |
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27 | |||
28 | using System; |
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29 | using System.Collections.Generic; |
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30 | using System.IO; |
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31 | using System.Reflection; |
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32 | using System.Xml; |
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33 | using log4net; |
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34 | using OpenMetaverse; |
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35 | |||
36 | namespace OpenSim.Framework |
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37 | { |
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38 | public static class SLUtil |
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39 | { |
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40 | // private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType); |
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41 | |||
42 | /// <summary> |
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43 | /// Asset types used only in OpenSim. |
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44 | /// To avoid clashing with the code numbers used in Second Life, use only negative numbers here. |
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45 | /// </summary> |
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46 | public enum OpenSimAssetType : sbyte |
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47 | { |
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48 | Material = -2 |
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49 | } |
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50 | |||
51 | |||
52 | #region SL / file extension / content-type conversions |
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53 | |||
54 | /// <summary> |
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55 | /// Returns the Enum entry corresponding to the given code, regardless of whether it belongs |
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56 | /// to the AssetType or OpenSimAssetType enums. |
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57 | /// </summary> |
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58 | public static object AssetTypeFromCode(sbyte assetType) |
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59 | { |
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60 | if (Enum.IsDefined(typeof(OpenMetaverse.AssetType), assetType)) |
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61 | return (OpenMetaverse.AssetType)assetType; |
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62 | else if (Enum.IsDefined(typeof(OpenSimAssetType), assetType)) |
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63 | return (OpenSimAssetType)assetType; |
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64 | else |
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65 | return OpenMetaverse.AssetType.Unknown; |
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66 | } |
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67 | |||
68 | private class TypeMapping |
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69 | { |
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70 | private sbyte assetType; |
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71 | private InventoryType inventoryType; |
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72 | private string contentType; |
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73 | private string contentType2; |
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74 | private string extension; |
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75 | |||
76 | public sbyte AssetTypeCode |
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77 | { |
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78 | get { return assetType; } |
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79 | } |
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80 | |||
81 | public object AssetType |
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82 | { |
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83 | get { return AssetTypeFromCode(assetType); } |
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84 | } |
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85 | |||
86 | public InventoryType InventoryType |
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87 | { |
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88 | get { return inventoryType; } |
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89 | } |
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90 | |||
91 | public string ContentType |
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92 | { |
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93 | get { return contentType; } |
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94 | } |
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95 | |||
96 | public string ContentType2 |
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97 | { |
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98 | get { return contentType2; } |
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99 | } |
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100 | |||
101 | public string Extension |
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102 | { |
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103 | get { return extension; } |
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104 | } |
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105 | |||
106 | private TypeMapping(sbyte assetType, InventoryType inventoryType, string contentType, string contentType2, string extension) |
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107 | { |
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108 | this.assetType = assetType; |
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109 | this.inventoryType = inventoryType; |
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110 | this.contentType = contentType; |
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111 | this.contentType2 = contentType2; |
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112 | this.extension = extension; |
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113 | } |
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114 | |||
115 | public TypeMapping(AssetType assetType, InventoryType inventoryType, string contentType, string contentType2, string extension) |
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116 | : this((sbyte)assetType, inventoryType, contentType, contentType2, extension) |
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117 | { |
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118 | } |
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119 | |||
120 | public TypeMapping(AssetType assetType, InventoryType inventoryType, string contentType, string extension) |
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121 | : this((sbyte)assetType, inventoryType, contentType, null, extension) |
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122 | { |
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123 | } |
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124 | |||
125 | public TypeMapping(OpenSimAssetType assetType, InventoryType inventoryType, string contentType, string extension) |
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126 | : this((sbyte)assetType, inventoryType, contentType, null, extension) |
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127 | { |
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128 | } |
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129 | } |
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130 | |||
131 | /// <summary> |
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132 | /// Maps between AssetType, InventoryType and Content-Type. |
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133 | /// Where more than one possibility exists, the first one takes precedence. E.g.: |
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134 | /// AssetType "AssetType.Texture" -> Content-Type "image-xj2c" |
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135 | /// Content-Type "image/x-j2c" -> InventoryType "InventoryType.Texture" |
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136 | /// </summary> |
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137 | private static TypeMapping[] MAPPINGS = new TypeMapping[] { |
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138 | new TypeMapping(AssetType.Unknown, InventoryType.Unknown, "application/octet-stream", "bin"), |
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139 | new TypeMapping(AssetType.Texture, InventoryType.Texture, "image/x-j2c", "image/jp2", "j2c"), |
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140 | new TypeMapping(AssetType.Texture, InventoryType.Snapshot, "image/x-j2c", "image/jp2", "j2c"), |
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141 | new TypeMapping(AssetType.TextureTGA, InventoryType.Texture, "image/tga", "tga"), |
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142 | new TypeMapping(AssetType.ImageTGA, InventoryType.Texture, "image/tga", "tga"), |
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143 | new TypeMapping(AssetType.ImageJPEG, InventoryType.Texture, "image/jpeg", "jpg"), |
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144 | new TypeMapping(AssetType.Sound, InventoryType.Sound, "audio/ogg", "application/ogg", "ogg"), |
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145 | new TypeMapping(AssetType.SoundWAV, InventoryType.Sound, "audio/x-wav", "wav"), |
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146 | new TypeMapping(AssetType.CallingCard, InventoryType.CallingCard, "application/vnd.ll.callingcard", "application/x-metaverse-callingcard", "callingcard"), |
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147 | new TypeMapping(AssetType.Landmark, InventoryType.Landmark, "application/vnd.ll.landmark", "application/x-metaverse-landmark", "landmark"), |
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148 | new TypeMapping(AssetType.Clothing, InventoryType.Wearable, "application/vnd.ll.clothing", "application/x-metaverse-clothing", "clothing"), |
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149 | new TypeMapping(AssetType.Object, InventoryType.Object, "application/vnd.ll.primitive", "application/x-metaverse-primitive", "primitive"), |
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150 | new TypeMapping(AssetType.Object, InventoryType.Attachment, "application/vnd.ll.primitive", "application/x-metaverse-primitive", "primitive"), |
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151 | new TypeMapping(AssetType.Notecard, InventoryType.Notecard, "application/vnd.ll.notecard", "application/x-metaverse-notecard", "notecard"), |
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152 | new TypeMapping(AssetType.Folder, InventoryType.Folder, "application/vnd.ll.folder", "folder"), |
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153 | new TypeMapping(AssetType.RootFolder, InventoryType.RootCategory, "application/vnd.ll.rootfolder", "rootfolder"), |
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154 | new TypeMapping(AssetType.LSLText, InventoryType.LSL, "application/vnd.ll.lsltext", "application/x-metaverse-lsl", "lsl"), |
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155 | new TypeMapping(AssetType.LSLBytecode, InventoryType.LSL, "application/vnd.ll.lslbyte", "application/x-metaverse-lso", "lso"), |
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156 | new TypeMapping(AssetType.Bodypart, InventoryType.Wearable, "application/vnd.ll.bodypart", "application/x-metaverse-bodypart", "bodypart"), |
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157 | new TypeMapping(AssetType.TrashFolder, InventoryType.Folder, "application/vnd.ll.trashfolder", "trashfolder"), |
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158 | new TypeMapping(AssetType.SnapshotFolder, InventoryType.Folder, "application/vnd.ll.snapshotfolder", "snapshotfolder"), |
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159 | new TypeMapping(AssetType.LostAndFoundFolder, InventoryType.Folder, "application/vnd.ll.lostandfoundfolder", "lostandfoundfolder"), |
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160 | new TypeMapping(AssetType.Animation, InventoryType.Animation, "application/vnd.ll.animation", "application/x-metaverse-animation", "animation"), |
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161 | new TypeMapping(AssetType.Gesture, InventoryType.Gesture, "application/vnd.ll.gesture", "application/x-metaverse-gesture", "gesture"), |
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162 | new TypeMapping(AssetType.Simstate, InventoryType.Snapshot, "application/x-metaverse-simstate", "simstate"), |
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163 | new TypeMapping(AssetType.FavoriteFolder, InventoryType.Unknown, "application/vnd.ll.favoritefolder", "favoritefolder"), |
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164 | new TypeMapping(AssetType.Link, InventoryType.Unknown, "application/vnd.ll.link", "link"), |
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165 | new TypeMapping(AssetType.LinkFolder, InventoryType.Unknown, "application/vnd.ll.linkfolder", "linkfolder"), |
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166 | new TypeMapping(AssetType.CurrentOutfitFolder, InventoryType.Unknown, "application/vnd.ll.currentoutfitfolder", "currentoutfitfolder"), |
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167 | new TypeMapping(AssetType.OutfitFolder, InventoryType.Unknown, "application/vnd.ll.outfitfolder", "outfitfolder"), |
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168 | new TypeMapping(AssetType.MyOutfitsFolder, InventoryType.Unknown, "application/vnd.ll.myoutfitsfolder", "myoutfitsfolder"), |
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169 | new TypeMapping(AssetType.Mesh, InventoryType.Mesh, "application/vnd.ll.mesh", "llm"), |
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170 | |||
171 | new TypeMapping(OpenSimAssetType.Material, InventoryType.Unknown, "application/llsd+xml", "material") |
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172 | }; |
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173 | |||
174 | private static Dictionary<sbyte, string> asset2Content; |
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175 | private static Dictionary<sbyte, string> asset2Extension; |
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176 | private static Dictionary<InventoryType, string> inventory2Content; |
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177 | private static Dictionary<string, sbyte> content2Asset; |
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178 | private static Dictionary<string, InventoryType> content2Inventory; |
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179 | |||
180 | static SLUtil() |
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181 | { |
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182 | asset2Content = new Dictionary<sbyte, string>(); |
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183 | asset2Extension = new Dictionary<sbyte, string>(); |
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184 | inventory2Content = new Dictionary<InventoryType, string>(); |
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185 | content2Asset = new Dictionary<string, sbyte>(); |
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186 | content2Inventory = new Dictionary<string, InventoryType>(); |
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187 | |||
188 | foreach (TypeMapping mapping in MAPPINGS) |
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189 | { |
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190 | sbyte assetType = mapping.AssetTypeCode; |
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191 | if (!asset2Content.ContainsKey(assetType)) |
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192 | asset2Content.Add(assetType, mapping.ContentType); |
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193 | if (!asset2Extension.ContainsKey(assetType)) |
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194 | asset2Extension.Add(assetType, mapping.Extension); |
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195 | if (!inventory2Content.ContainsKey(mapping.InventoryType)) |
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196 | inventory2Content.Add(mapping.InventoryType, mapping.ContentType); |
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197 | if (!content2Asset.ContainsKey(mapping.ContentType)) |
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198 | content2Asset.Add(mapping.ContentType, assetType); |
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199 | if (!content2Inventory.ContainsKey(mapping.ContentType)) |
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200 | content2Inventory.Add(mapping.ContentType, mapping.InventoryType); |
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201 | |||
202 | if (mapping.ContentType2 != null) |
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203 | { |
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204 | if (!content2Asset.ContainsKey(mapping.ContentType2)) |
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205 | content2Asset.Add(mapping.ContentType2, assetType); |
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206 | if (!content2Inventory.ContainsKey(mapping.ContentType2)) |
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207 | content2Inventory.Add(mapping.ContentType2, mapping.InventoryType); |
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208 | } |
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209 | } |
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210 | } |
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211 | |||
212 | public static string SLAssetTypeToContentType(int assetType) |
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213 | { |
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214 | string contentType; |
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215 | if (!asset2Content.TryGetValue((sbyte)assetType, out contentType)) |
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216 | contentType = asset2Content[(sbyte)AssetType.Unknown]; |
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217 | return contentType; |
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218 | } |
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219 | |||
220 | public static string SLInvTypeToContentType(int invType) |
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221 | { |
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222 | string contentType; |
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223 | if (!inventory2Content.TryGetValue((InventoryType)invType, out contentType)) |
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224 | contentType = inventory2Content[InventoryType.Unknown]; |
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225 | return contentType; |
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226 | } |
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227 | |||
228 | public static sbyte ContentTypeToSLAssetType(string contentType) |
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229 | { |
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230 | sbyte assetType; |
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231 | if (!content2Asset.TryGetValue(contentType, out assetType)) |
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232 | assetType = (sbyte)AssetType.Unknown; |
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233 | return (sbyte)assetType; |
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234 | } |
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235 | |||
236 | public static sbyte ContentTypeToSLInvType(string contentType) |
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237 | { |
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238 | InventoryType invType; |
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239 | if (!content2Inventory.TryGetValue(contentType, out invType)) |
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240 | invType = InventoryType.Unknown; |
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241 | return (sbyte)invType; |
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242 | } |
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243 | |||
244 | public static string SLAssetTypeToExtension(int assetType) |
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245 | { |
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246 | string extension; |
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247 | if (!asset2Extension.TryGetValue((sbyte)assetType, out extension)) |
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248 | extension = asset2Extension[(sbyte)AssetType.Unknown]; |
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249 | return extension; |
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250 | } |
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251 | |||
252 | #endregion SL / file extension / content-type conversions |
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253 | |||
254 | /// <summary> |
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255 | /// Parse a notecard in Linden format to a string of ordinary text. |
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256 | /// </summary> |
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257 | /// <param name="rawInput"></param> |
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258 | /// <returns></returns> |
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259 | public static string ParseNotecardToString(string rawInput) |
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260 | { |
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261 | string[] output = ParseNotecardToList(rawInput).ToArray(); |
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262 | |||
263 | // foreach (string line in output) |
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264 | // m_log.DebugFormat("[PARSE NOTECARD]: ParseNotecardToString got line {0}", line); |
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265 | |||
266 | return string.Join("\n", output); |
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267 | } |
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268 | |||
269 | /// <summary> |
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270 | /// Parse a notecard in Linden format to a list of ordinary lines. |
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271 | /// </summary> |
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272 | /// <param name="rawInput"></param> |
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273 | /// <returns></returns> |
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274 | public static List<string> ParseNotecardToList(string rawInput) |
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275 | { |
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276 | string[] input; |
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277 | int idx = 0; |
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278 | int level = 0; |
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279 | List<string> output = new List<string>(); |
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280 | string[] words; |
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281 | |||
282 | //The Linden format always ends with a } after the input data. |
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283 | //Strip off trailing } so there is nothing after the input data. |
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284 | int i = rawInput.LastIndexOf("}"); |
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285 | rawInput = rawInput.Remove(i, rawInput.Length-i); |
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286 | input = rawInput.Replace("\r", "").Split('\n'); |
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287 | |||
288 | while (idx < input.Length) |
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289 | { |
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290 | if (input[idx] == "{") |
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291 | { |
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292 | level++; |
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293 | idx++; |
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294 | continue; |
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295 | } |
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296 | |||
297 | if (input[idx]== "}") |
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298 | { |
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299 | level--; |
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300 | idx++; |
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301 | continue; |
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302 | } |
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303 | |||
304 | switch (level) |
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305 | { |
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306 | case 0: |
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307 | words = input[idx].Split(' '); // Linden text ver |
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308 | // Notecards are created *really* empty. Treat that as "no text" (just like after saving an empty notecard) |
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309 | if (words.Length < 3) |
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310 | return output; |
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311 | |||
312 | int version = int.Parse(words[3]); |
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313 | if (version != 2) |
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314 | return output; |
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315 | break; |
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316 | case 1: |
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317 | words = input[idx].Split(' '); |
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318 | if (words[0] == "LLEmbeddedItems") |
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319 | break; |
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320 | if (words[0] == "Text") |
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321 | { |
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322 | idx++; //Now points to first line of notecard text |
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323 | |||
324 | //Number of lines in notecard. |
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325 | int lines = input.Length - idx; |
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326 | int line = 0; |
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327 | |||
328 | while (line < lines) |
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329 | { |
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330 | // m_log.DebugFormat("[PARSE NOTECARD]: Adding line {0}", input[idx]); |
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331 | output.Add(input[idx]); |
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332 | idx++; |
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333 | line++; |
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334 | } |
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335 | |||
336 | return output; |
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337 | } |
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338 | break; |
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339 | case 2: |
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340 | words = input[idx].Split(' '); // count |
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341 | if (words[0] == "count") |
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342 | { |
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343 | int c = int.Parse(words[1]); |
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344 | if (c > 0) |
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345 | return output; |
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346 | break; |
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347 | } |
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348 | break; |
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349 | } |
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350 | idx++; |
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351 | } |
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352 | |||
353 | return output; |
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354 | } |
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355 | } |
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356 | } |