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ScriptMetaData.cs 3.8 KB

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  1. /*
  2. * Copyright (c) Contributors, http://opensimulator.org/
  3. * See CONTRIBUTORS.TXT for a full list of copyright holders.
  4. *
  5. * Redistribution and use in source and binary forms, with or without
  6. * modification, are permitted provided that the following conditions are met:
  7. * * Redistributions of source code must retain the above copyright
  8. * notice, this list of conditions and the following disclaimer.
  9. * * Redistributions in binary form must reproduce the above copyright
  10. * notice, this list of conditions and the following disclaimer in the
  11. * documentation and/or other materials provided with the distribution.
  12. * * Neither the name of the OpenSimulator Project nor the
  13. * names of its contributors may be used to endorse or promote products
  14. * derived from this software without specific prior written permission.
  15. *
  16. * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
  17. * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  18. * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  19. * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
  20. * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  21. * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  22. * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  23. * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  25. * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26. */
  27. using System;
  28. using System.Collections.Generic;
  29. namespace OpenSim.ScriptEngine.Shared
  30. {
  31. public class ScriptMetaData: Dictionary<string, string>
  32. {
  33. private static readonly char[] LineSeparator = "\r\n".ToCharArray();
  34. private static readonly char[] Separator = { ':' };
  35. public static ScriptMetaData Extract(ref string Script)
  36. {
  37. ScriptMetaData ret = new ScriptMetaData();
  38. if (string.IsNullOrEmpty(Script))
  39. return ret;
  40. // Process it line by line
  41. string Line = "";
  42. for (int i = 0; i < Script.Length + 1; i++)
  43. {
  44. // Found a line separator?
  45. if (i < Script.Length
  46. && Script[i] != LineSeparator[0]
  47. && Script[i] != LineSeparator[1])
  48. {
  49. // No, not end of line. Add to current line
  50. Line += Script[i];
  51. }
  52. else
  53. {
  54. // Extract MetaData from this line. Returns False if not found.
  55. if (!_GetMetaFromLine(ret, Line))
  56. continue;
  57. // Empty for next round
  58. Line = "";
  59. }
  60. }
  61. return ret;
  62. }
  63. private static bool _GetMetaFromLine(ScriptMetaData ret, string line)
  64. {
  65. line = line.Trim();
  66. // Empty line? We may find more later
  67. if (line == "")
  68. return true;
  69. // Is this a comment? If not, then return false
  70. if (!line.StartsWith("//"))
  71. return false;
  72. // It is a comment
  73. string[] keyval = line.Split(Separator, 2, StringSplitOptions.None);
  74. keyval[0] = keyval[0].Substring(2, keyval[0].Length - 2).Trim();
  75. keyval[1] = keyval[1].Trim();
  76. // Add it
  77. if (keyval[0] != "")
  78. if (!ret.ContainsKey(keyval[0]))
  79. {
  80. //m_log.DebugFormat("[DotNetEngine] Script metadata: Key: \"{0}\", Value: \"{1}\".", keyval[0], keyval[1]);
  81. ret.Add(keyval[0], keyval[1]);
  82. }
  83. return true;
  84. }
  85. }
  86. }