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annotate src/docgen/graphutils/dotwriter.d @ 806:bcb74c9b895c

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Moved out files in the trunk folder to the root.
author Aziz K?ksal <aziz.koeksal@gmail.com>
date Sun, 09 Mar 2008 00:12:19 +0100
parents trunk/src/docgen/graphutils/dotwriter.d@ec8dd7b8bf0c
children
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1 /**
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2 * Author: Aziz Köksal & Jari-Matti Mäkelä
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3 * License: GPL3
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4 */
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5 module docgen.graphutils.dotwriter;
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6 import docgen.graphutils.writer;
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7
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8 import tango.io.Print: Print;
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9 import tango.text.convert.Layout : Layout;
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10 import tango.io.FilePath;
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11 import tango.text.Util;
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12 import tango.text.convert.Sprint;
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13 debug import tango.io.Stdout;
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14
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15 /**
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16 * Creates a graph rule file for the dot utility.
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17 */
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18 class DotWriter : AbstractGraphWriter {
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19 public:
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20
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21 this(GraphWriterFactory factory, PageWriter writer) {
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22 super(factory, writer);
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23 }
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24
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25 void generateDepGraph(DepGraph depGraph, OutputStream imageFile) {
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26 generateImageTag(imageFile);
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27
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28 auto image = generateDepImageFile(depGraph);
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29 auto printer = new Print!(char)(new Layout!(char), imageFile);
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30 printer(image);
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31 }
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32
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33 protected:
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34
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35 char[] generateDepImageFile(DepGraph depGraph) {
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36 char[] image;
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37 auto sprint = new Sprint!(char);
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38
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39 auto edges = depGraph.edges;
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40 auto vertices = depGraph.vertices;
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41
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42 DepGraph.Vertex[][char[]] verticesByPckgName;
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43 if (factory.options.graph.groupByFullPackageName ||
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44 factory.options.graph.groupByPackageNames) {
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45 foreach (mod; vertices) {
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46 auto parts = mod.name.delimit(".");
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47
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48 if (parts.length>1) {
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49 auto pkg = parts[0..$-1].join(".");
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50 verticesByPckgName[pkg] ~= mod;
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51 }
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52 }
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53 }
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54
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55 if (factory.options.graph.highlightCyclicVertices ||
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56 factory.options.graph.highlightCyclicEdges)
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57 depGraph.markCycles();
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58
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59 image ~= "Digraph ModuleDependencies {\n";
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60
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61 foreach (module_; vertices) {
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62 auto nodeName =
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63 factory.options.graph.groupByPackageNames ?
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64 module_.name.split(".")[$-1] :
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65 module_.name;
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66
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67 image ~= sprint.format(
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68 ` n{} [label="{}",style=filled,fillcolor={}];`\n,
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69 module_.id,
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70 nodeName,
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71 module_.cyclic && factory.options.graph.highlightCyclicVertices ?
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72 factory.options.graph.cyclicNodeColor :
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73 module_.incoming.length == 0 && module_.outgoing.length == 0 ?
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74 factory.options.graph.unlocatableNodeColor :
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75 factory.options.graph.nodeColor
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76 );
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77 }
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78
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79 foreach (edge; edges)
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80 image ~= sprint.format(
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81 ` n{} -> n{}[color={}];`\n,
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82 edge.outgoing.id,
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83 edge.incoming.id,
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84 edge.cyclic ?
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85 factory.options.graph.cyclicDepColor :
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86 edge.isPublic ?
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87 factory.options.graph.publicDepColor ~ ",style=bold" :
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88 factory.options.graph.depColor
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89 );
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90
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91 if (factory.options.graph.groupByPackageNames)
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92
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93 if (!factory.options.graph.groupByFullPackageName) {
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94 foreach (packageName, vertices; verticesByPckgName) {
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95 auto name = packageName.split(".");
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96
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97 if (name.length > 1) {
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98 char[] pkg;
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99 foreach(part; name) {
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100 pkg ~= part ~ ".";
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101 image ~= sprint.format(
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102 `subgraph "cluster_{0}" {{`\n` label="{0}"`\n,
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103 pkg[0..$-1],
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104 pkg[0..$-1]
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105 );
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106 }
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107 for (int i=0; i< name.length; i++) {
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108 image ~= "}\n";
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109 }
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110 }
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111 }
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112 }
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113 foreach (packageName, vertices; verticesByPckgName) {
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114 image ~= sprint.format(
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115 ` subgraph "cluster_{0}" {{`\n` label="{0}";color=`
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116 ~ factory.options.graph.clusterColor ~ `;`\n` `,
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117 packageName,
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118 packageName
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119 );
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120
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121 foreach (module_; vertices)
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122 image ~= sprint.format(`n{0};`, module_.id);
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123 image ~= "\n }\n";
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124 }
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125
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126 image ~= "}";
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127
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128 return image;
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129 }
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130
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131 void generateImageTag(OutputStream imageFile) {
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132 // name of the .dot file
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133 char[] fn = (cast(Object)imageFile.conduit).toString();
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134 fn = FilePath(fn).file;
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135
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136 fn = fn[0..$-3] ~ imageFormatExts[factory.options.graph.imageFormat];
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137
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138 writer.addGraphics(fn);
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139 }
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140 }
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141
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142 class CachingDotWriter : DotWriter {
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143 private:
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144
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145 CachingGraphWriterFactory factory;
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146
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147 public:
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148
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149 this(CachingGraphWriterFactory factory, PageWriter writer) {
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150 super(factory, writer);
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151 this.factory = factory;
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152 }
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153
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154 override void generateDepGraph(DepGraph depGraph, OutputStream imageFile) {
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155 generateImageTag(imageFile);
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156
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157 auto cached = factory.graphCache.getCachedGraph(depGraph, GraphFormat.Dot);
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158
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159 auto printer = new Print!(char)(new Layout!(char), imageFile);
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160
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161 if (cached) {
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162 printer(cached);
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163 } else {
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164 auto image = generateDepImageFile(depGraph);
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165 factory.graphCache.setCachedGraph(depGraph, GraphFormat.Dot, image);
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166 printer(image);
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167 }
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168 }
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169 }
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170