1 | using System.Collections.Generic;
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2 | using System;
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3 | using System.Text;
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4 | using HeuristicLab.Persistence.Interfaces;
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5 | using HeuristicLab.Persistence.Core;
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6 | using System.IO;
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7 |
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8 | namespace HeuristicLab.Persistence.Default.Xml {
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9 |
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10 | struct XmlStrings {
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11 | public const string PRIMITIVE = "PRIMITVE";
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12 | public const string COMPOSITE = "COMPOSITE";
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13 | public const string REFERENCE = "REFERENCE";
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14 | public const string NULL = "NULL";
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15 | public const string TYPECACHE = "TYPCACHE";
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16 | public const string TYPE = "TYPE";
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17 | }
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18 |
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19 | public abstract class Generator<T> {
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20 | public T Format(ISerializationToken token) {
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21 | Type type = token.GetType();
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22 | if (type == typeof(BeginToken))
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23 | return Format((BeginToken)token);
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24 | if (type == typeof(EndToken))
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25 | return Format((EndToken)token);
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26 | if (type == typeof(PrimitiveToken))
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27 | return Format((PrimitiveToken)token);
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28 | if (type == typeof(ReferenceToken))
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29 | return Format((ReferenceToken)token);
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30 | if (type == typeof(NullReferenceToken))
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31 | return Format((NullReferenceToken)token);
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32 | throw new ApplicationException("Invalid token of type " + type.FullName);
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33 | }
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34 | protected abstract T Format(BeginToken beginToken);
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35 | protected abstract T Format(EndToken endToken);
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36 | protected abstract T Format(PrimitiveToken primitiveToken);
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37 | protected abstract T Format(ReferenceToken referenceToken);
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38 | protected abstract T Format(NullReferenceToken nullReferenceToken);
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39 | }
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40 |
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41 | public class XmlGenerator : Generator<string> {
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42 |
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43 | private int depth;
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44 |
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45 | public XmlGenerator() {
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46 | depth = 0;
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47 | }
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48 |
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49 | private enum NodeType { Start, End, Inline } ;
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50 |
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51 | private static string FormatNode(string name,
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52 | Dictionary<string, object> attributes,
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53 | NodeType type) {
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54 | return FormatNode(name, attributes, type, " ");
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55 | }
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56 |
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57 | private static string FormatNode(string name,
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58 | Dictionary<string, object> attributes,
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59 | NodeType type, string space) {
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60 | StringBuilder sb = new StringBuilder();
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61 | sb.Append('<');
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62 | if (type == NodeType.End)
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63 | sb.Append('/');
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64 | sb.Append(name);
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65 | foreach (var attribute in attributes) {
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66 | if (attribute.Value != null && !string.IsNullOrEmpty(attribute.Value.ToString())) {
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67 | sb.Append(space);
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68 | sb.Append(attribute.Key);
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69 | sb.Append("=\"");
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70 | sb.Append(attribute.Value);
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71 | sb.Append('"');
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72 | }
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73 | }
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74 | if (type == NodeType.Inline)
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75 | sb.Append('/');
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76 | sb.Append(">");
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77 | return sb.ToString();
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78 | }
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79 |
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80 | private string Prefix {
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81 | get { return new string(' ', depth * 2); }
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82 | }
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83 |
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84 | protected override string Format(BeginToken beginToken) {
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85 | var attributes = new Dictionary<string, object> {
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86 | {"name", beginToken.Name},
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87 | {"typeId", beginToken.TypeId},
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88 | {"id", beginToken.Id}};
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89 | string result = Prefix +
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90 | FormatNode(XmlStrings.COMPOSITE, attributes, NodeType.Start) + "\n";
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91 | depth += 1;
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92 | return result;
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93 | }
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94 |
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95 | protected override string Format(EndToken endToken) {
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96 | depth -= 1;
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97 | return Prefix + "</" + XmlStrings.COMPOSITE + ">\n";
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98 | }
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99 |
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100 | protected override string Format(PrimitiveToken dataToken) {
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101 | var attributes =
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102 | new Dictionary<string, object> {
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103 | {"typeId", dataToken.TypeId},
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104 | {"name", dataToken.Name},
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105 | {"id", dataToken.Id}};
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106 | return Prefix +
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107 | FormatNode(XmlStrings.PRIMITIVE, attributes, NodeType.Start) +
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108 | dataToken.SerialData + "</" + XmlStrings.PRIMITIVE + ">\n";
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109 | }
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110 |
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111 | protected override string Format(ReferenceToken refToken) {
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112 | var attributes = new Dictionary<string, object> {
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113 | {"ref", refToken.Id},
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114 | {"name", refToken.Name}};
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115 | return Prefix + FormatNode(XmlStrings.REFERENCE, attributes, NodeType.Inline) + "\n";
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116 | }
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117 |
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118 | protected override string Format(NullReferenceToken nullRefToken) {
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119 | var attributes = new Dictionary<string, object>{
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120 | {"name", nullRefToken.Name}};
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121 | return Prefix + FormatNode(XmlStrings.NULL, attributes, NodeType.Inline) + "\n";
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122 | }
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123 |
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124 | public IEnumerable<string> Format(List<TypeMapping> typeCache) {
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125 | yield return "<" + XmlStrings.TYPECACHE + ">";
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126 | foreach (var mapping in typeCache)
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127 | yield return " " + FormatNode(
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128 | XmlStrings.TYPE,
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129 | mapping.GetDict(),
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130 | NodeType.Inline,
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131 | "\n ");
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132 | yield return "</" + XmlStrings.TYPECACHE + ">";
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133 | }
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134 |
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135 | public static void Serialize(object o, string basename) {
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136 | Serialize(o, basename, ConfigurationService.Instance.GetDefaultConfig(XmlFormat.Instance));
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137 | }
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138 |
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139 | public static void Serialize(object o, string basename, Configuration configuration) {
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140 | Serializer s = new Serializer(o, configuration);
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141 | XmlGenerator xmlGenerator = new XmlGenerator();
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142 | StreamWriter writer = new StreamWriter(basename + ".xml");
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143 | foreach (ISerializationToken token in s) {
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144 | string line = xmlGenerator.Format(token);
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145 | writer.Write(line);
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146 | Console.Out.Write(line);
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147 | }
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148 | writer.Close();
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149 | writer = new StreamWriter(basename + "-types.xml");
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150 | foreach (string line in xmlGenerator.Format(s.TypeCache)) {
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151 | writer.WriteLine(line);
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152 | Console.Out.WriteLine(line);
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153 | }
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154 | writer.Close();
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155 | }
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156 |
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157 | }
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158 | } |
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