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1 using System;
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2 using System.Collections.Generic;
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3 using System.IO;
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4 using IBBoard.Lang;
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5 using IBBoard.WarFoundry.API.Objects;
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6
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7 namespace IBBoard.WarFoundry.API.Factories.Xml
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8 {
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9 public class WarFoundryXmlSaver
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10 {
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11 //FIXME: Rework to saving files in Zips
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12 private static WarFoundryXmlSaver saver;
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13 private static List<Type> saveAsTypes;
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14 private Dictionary<WarFoundryObject, string> savePaths = new Dictionary<WarFoundryObject,string>();
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15
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16 public static WarFoundryXmlSaver GetSaver()
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17 {
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18 if (saver == null)
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19 {
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20 saveAsTypes = new List<Type>();
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21 saveAsTypes.Add(typeof(Army));
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22 saver = new WarFoundryXmlSaver();
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23 }
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24
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25 return saver;
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26 }
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27
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28 public bool SaveAs(WarFoundryObject toSave, string saveAsPath)
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29 {
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30 if (CanSaveType(toSave))
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31 {
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32 FileStream fs = null;
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33 bool success = false;
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34
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35 try
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36 {
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37 fs = new FileStream(saveAsPath, FileMode.Create, FileAccess.Write);
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38 byte[] bytes = StringManipulation.StringToBytes(CreateXmlString(toSave));
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39 fs.Write(bytes, 0, bytes.Length);
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40 fs.Flush();
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41 savePaths.Add(toSave, saveAsPath);
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42 success = true;
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43 }
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44 finally
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45 {
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46 if (fs!=null && fs.CanWrite)
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47 {
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48 fs.Close();
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49 }
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50 }
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51
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52 return success;
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53 }
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54 else
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55 {
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56 throw new ArgumentException("Cannot directly save objects of type "+toSave.GetType());
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57 }
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58 }
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59
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60 public bool Save(WarFoundryObject toSave)
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61 {
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62 if (CanSave(toSave))
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63 {
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64 return SaveAs(toSave, savePaths[toSave]);
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65 }
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66 else
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67 {
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68 throw new InvalidOperationException("Cannot save an object that has not previously been saved using SaveAs");
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69 }
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70 }
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71
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72 private string CreateXmlString(WarFoundryObject toSave)
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73 {
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74 return ""; //TODO: Create XML string as appropriate
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75 }
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76
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77 public bool CanSaveAs(WarFoundryObject obj)
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78 {
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79 return CanSaveType(obj);
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80 }
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81
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82 public bool CanSave(WarFoundryObject obj)
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83 {
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84 return savePaths.ContainsKey(obj);
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85 }
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86
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87 public bool CanSaveType(WarFoundryObject obj)
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88 {
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89 return saveAsTypes.Contains(obj.GetType());
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90 }
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91 }
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92 }
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