opensim-development – Rev 1
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/*
* Copyright (c) Contributors, http://opensimulator.org/
* See CONTRIBUTORS.TXT for a full list of copyright holders.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the OpenSimulator Project nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
using System;
using System.Collections.Generic;
using System.IO;
using System.Reflection;
using System.Xml;
using log4net;
using OpenMetaverse;
namespace OpenSim.Framework
{
public static class SLUtil
{
// private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
/// <summary>
/// Asset types used only in OpenSim.
/// To avoid clashing with the code numbers used in Second Life, use only negative numbers here.
/// </summary>
public enum OpenSimAssetType : sbyte
{
Material = -2
}
#region SL / file extension / content-type conversions
/// <summary>
/// Returns the Enum entry corresponding to the given code, regardless of whether it belongs
/// to the AssetType or OpenSimAssetType enums.
/// </summary>
public static object AssetTypeFromCode(sbyte assetType)
{
if (Enum.IsDefined(typeof(OpenMetaverse.AssetType), assetType))
return (OpenMetaverse.AssetType)assetType;
else if (Enum.IsDefined(typeof(OpenSimAssetType), assetType))
return (OpenSimAssetType)assetType;
else
return OpenMetaverse.AssetType.Unknown;
}
private class TypeMapping
{
private sbyte assetType;
private InventoryType inventoryType;
private string contentType;
private string contentType2;
private string extension;
public sbyte AssetTypeCode
{
get { return assetType; }
}
public object AssetType
{
get { return AssetTypeFromCode(assetType); }
}
public InventoryType InventoryType
{
get { return inventoryType; }
}
public string ContentType
{
get { return contentType; }
}
public string ContentType2
{
get { return contentType2; }
}
public string Extension
{
get { return extension; }
}
private TypeMapping(sbyte assetType, InventoryType inventoryType, string contentType, string contentType2, string extension)
{
this.assetType = assetType;
this.inventoryType = inventoryType;
this.contentType = contentType;
this.contentType2 = contentType2;
this.extension = extension;
}
public TypeMapping(AssetType assetType, InventoryType inventoryType, string contentType, string contentType2, string extension)
: this((sbyte)assetType, inventoryType, contentType, contentType2, extension)
{
}
public TypeMapping(AssetType assetType, InventoryType inventoryType, string contentType, string extension)
: this((sbyte)assetType, inventoryType, contentType, null, extension)
{
}
public TypeMapping(OpenSimAssetType assetType, InventoryType inventoryType, string contentType, string extension)
: this((sbyte)assetType, inventoryType, contentType, null, extension)
{
}
}
/// <summary>
/// Maps between AssetType, InventoryType and Content-Type.
/// Where more than one possibility exists, the first one takes precedence. E.g.:
/// AssetType "AssetType.Texture" -> Content-Type "image-xj2c"
/// Content-Type "image/x-j2c" -> InventoryType "InventoryType.Texture"
/// </summary>
private static TypeMapping[] MAPPINGS = new TypeMapping[] {
new TypeMapping(AssetType.Unknown, InventoryType.Unknown, "application/octet-stream", "bin"),
new TypeMapping(AssetType.Texture, InventoryType.Texture, "image/x-j2c", "image/jp2", "j2c"),
new TypeMapping(AssetType.Texture, InventoryType.Snapshot, "image/x-j2c", "image/jp2", "j2c"),
new TypeMapping(AssetType.TextureTGA, InventoryType.Texture, "image/tga", "tga"),
new TypeMapping(AssetType.ImageTGA, InventoryType.Texture, "image/tga", "tga"),
new TypeMapping(AssetType.ImageJPEG, InventoryType.Texture, "image/jpeg", "jpg"),
new TypeMapping(AssetType.Sound, InventoryType.Sound, "audio/ogg", "application/ogg", "ogg"),
new TypeMapping(AssetType.SoundWAV, InventoryType.Sound, "audio/x-wav", "wav"),
new TypeMapping(AssetType.CallingCard, InventoryType.CallingCard, "application/vnd.ll.callingcard", "application/x-metaverse-callingcard", "callingcard"),
new TypeMapping(AssetType.Landmark, InventoryType.Landmark, "application/vnd.ll.landmark", "application/x-metaverse-landmark", "landmark"),
new TypeMapping(AssetType.Clothing, InventoryType.Wearable, "application/vnd.ll.clothing", "application/x-metaverse-clothing", "clothing"),
new TypeMapping(AssetType.Object, InventoryType.Object, "application/vnd.ll.primitive", "application/x-metaverse-primitive", "primitive"),
new TypeMapping(AssetType.Object, InventoryType.Attachment, "application/vnd.ll.primitive", "application/x-metaverse-primitive", "primitive"),
new TypeMapping(AssetType.Notecard, InventoryType.Notecard, "application/vnd.ll.notecard", "application/x-metaverse-notecard", "notecard"),
new TypeMapping(AssetType.Folder, InventoryType.Folder, "application/vnd.ll.folder", "folder"),
new TypeMapping(AssetType.RootFolder, InventoryType.RootCategory, "application/vnd.ll.rootfolder", "rootfolder"),
new TypeMapping(AssetType.LSLText, InventoryType.LSL, "application/vnd.ll.lsltext", "application/x-metaverse-lsl", "lsl"),
new TypeMapping(AssetType.LSLBytecode, InventoryType.LSL, "application/vnd.ll.lslbyte", "application/x-metaverse-lso", "lso"),
new TypeMapping(AssetType.Bodypart, InventoryType.Wearable, "application/vnd.ll.bodypart", "application/x-metaverse-bodypart", "bodypart"),
new TypeMapping(AssetType.TrashFolder, InventoryType.Folder, "application/vnd.ll.trashfolder", "trashfolder"),
new TypeMapping(AssetType.SnapshotFolder, InventoryType.Folder, "application/vnd.ll.snapshotfolder", "snapshotfolder"),
new TypeMapping(AssetType.LostAndFoundFolder, InventoryType.Folder, "application/vnd.ll.lostandfoundfolder", "lostandfoundfolder"),
new TypeMapping(AssetType.Animation, InventoryType.Animation, "application/vnd.ll.animation", "application/x-metaverse-animation", "animation"),
new TypeMapping(AssetType.Gesture, InventoryType.Gesture, "application/vnd.ll.gesture", "application/x-metaverse-gesture", "gesture"),
new TypeMapping(AssetType.Simstate, InventoryType.Snapshot, "application/x-metaverse-simstate", "simstate"),
new TypeMapping(AssetType.FavoriteFolder, InventoryType.Unknown, "application/vnd.ll.favoritefolder", "favoritefolder"),
new TypeMapping(AssetType.Link, InventoryType.Unknown, "application/vnd.ll.link", "link"),
new TypeMapping(AssetType.LinkFolder, InventoryType.Unknown, "application/vnd.ll.linkfolder", "linkfolder"),
new TypeMapping(AssetType.CurrentOutfitFolder, InventoryType.Unknown, "application/vnd.ll.currentoutfitfolder", "currentoutfitfolder"),
new TypeMapping(AssetType.OutfitFolder, InventoryType.Unknown, "application/vnd.ll.outfitfolder", "outfitfolder"),
new TypeMapping(AssetType.MyOutfitsFolder, InventoryType.Unknown, "application/vnd.ll.myoutfitsfolder", "myoutfitsfolder"),
new TypeMapping(AssetType.Mesh, InventoryType.Mesh, "application/vnd.ll.mesh", "llm"),
new TypeMapping(OpenSimAssetType.Material, InventoryType.Unknown, "application/llsd+xml", "material")
};
private static Dictionary<sbyte, string> asset2Content;
private static Dictionary<sbyte, string> asset2Extension;
private static Dictionary<InventoryType, string> inventory2Content;
private static Dictionary<string, sbyte> content2Asset;
private static Dictionary<string, InventoryType> content2Inventory;
static SLUtil()
{
asset2Content = new Dictionary<sbyte, string>();
asset2Extension = new Dictionary<sbyte, string>();
inventory2Content = new Dictionary<InventoryType, string>();
content2Asset = new Dictionary<string, sbyte>();
content2Inventory = new Dictionary<string, InventoryType>();
foreach (TypeMapping mapping in MAPPINGS)
{
sbyte assetType = mapping.AssetTypeCode;
if (!asset2Content.ContainsKey(assetType))
asset2Content.Add(assetType, mapping.ContentType);
if (!asset2Extension.ContainsKey(assetType))
asset2Extension.Add(assetType, mapping.Extension);
if (!inventory2Content.ContainsKey(mapping.InventoryType))
inventory2Content.Add(mapping.InventoryType, mapping.ContentType);
if (!content2Asset.ContainsKey(mapping.ContentType))
content2Asset.Add(mapping.ContentType, assetType);
if (!content2Inventory.ContainsKey(mapping.ContentType))
content2Inventory.Add(mapping.ContentType, mapping.InventoryType);
if (mapping.ContentType2 != null)
{
if (!content2Asset.ContainsKey(mapping.ContentType2))
content2Asset.Add(mapping.ContentType2, assetType);
if (!content2Inventory.ContainsKey(mapping.ContentType2))
content2Inventory.Add(mapping.ContentType2, mapping.InventoryType);
}
}
}
public static string SLAssetTypeToContentType(int assetType)
{
string contentType;
if (!asset2Content.TryGetValue((sbyte)assetType, out contentType))
contentType = asset2Content[(sbyte)AssetType.Unknown];
return contentType;
}
public static string SLInvTypeToContentType(int invType)
{
string contentType;
if (!inventory2Content.TryGetValue((InventoryType)invType, out contentType))
contentType = inventory2Content[InventoryType.Unknown];
return contentType;
}
public static sbyte ContentTypeToSLAssetType(string contentType)
{
sbyte assetType;
if (!content2Asset.TryGetValue(contentType, out assetType))
assetType = (sbyte)AssetType.Unknown;
return (sbyte)assetType;
}
public static sbyte ContentTypeToSLInvType(string contentType)
{
InventoryType invType;
if (!content2Inventory.TryGetValue(contentType, out invType))
invType = InventoryType.Unknown;
return (sbyte)invType;
}
public static string SLAssetTypeToExtension(int assetType)
{
string extension;
if (!asset2Extension.TryGetValue((sbyte)assetType, out extension))
extension = asset2Extension[(sbyte)AssetType.Unknown];
return extension;
}
#endregion SL / file extension / content-type conversions
/// <summary>
/// Parse a notecard in Linden format to a string of ordinary text.
/// </summary>
/// <param name="rawInput"></param>
/// <returns></returns>
public static string ParseNotecardToString(string rawInput)
{
string[] output = ParseNotecardToList(rawInput).ToArray();
// foreach (string line in output)
// m_log.DebugFormat("[PARSE NOTECARD]: ParseNotecardToString got line {0}", line);
return string.Join("\n", output);
}
/// <summary>
/// Parse a notecard in Linden format to a list of ordinary lines.
/// </summary>
/// <param name="rawInput"></param>
/// <returns></returns>
public static List<string> ParseNotecardToList(string rawInput)
{
string[] input;
int idx = 0;
int level = 0;
List<string> output = new List<string>();
string[] words;
//The Linden format always ends with a } after the input data.
//Strip off trailing } so there is nothing after the input data.
int i = rawInput.LastIndexOf("}");
rawInput = rawInput.Remove(i, rawInput.Length-i);
input = rawInput.Replace("\r", "").Split('\n');
while (idx < input.Length)
{
if (input[idx] == "{")
{
level++;
idx++;
continue;
}
if (input[idx]== "}")
{
level--;
idx++;
continue;
}
switch (level)
{
case 0:
words = input[idx].Split(' '); // Linden text ver
// Notecards are created *really* empty. Treat that as "no text" (just like after saving an empty notecard)
if (words.Length < 3)
return output;
int version = int.Parse(words[3]);
if (version != 2)
return output;
break;
case 1:
words = input[idx].Split(' ');
if (words[0] == "LLEmbeddedItems")
break;
if (words[0] == "Text")
{
idx++; //Now points to first line of notecard text
//Number of lines in notecard.
int lines = input.Length - idx;
int line = 0;
while (line < lines)
{
// m_log.DebugFormat("[PARSE NOTECARD]: Adding line {0}", input[idx]);
output.Add(input[idx]);
idx++;
line++;
}
return output;
}
break;
case 2:
words = input[idx].Split(' '); // count
if (words[0] == "count")
{
int c = int.Parse(words[1]);
if (c > 0)
return output;
break;
}
break;
}
idx++;
}
return output;
}
}
}