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annotate trunk/src/docgen/graphutils/dotwriter.d @ 448:c82b36b9cadf

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Simpler writer hierarchy.
author Jari-Matti M?kel? <jmjm@iki.fi>
date Wed, 17 Oct 2007 19:23:56 +0300
parents 49f3afd6a0e8
children 757bd048482c
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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.FileConduit : FileConduit;
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9 import tango.io.Print: Print;
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10 import tango.text.convert.Layout : Layout;
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11
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12 /**
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13 * Creates a graph rule file for the dot utility.
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14 *
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15 * TODO: support changing colors / graph style?
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16 */
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17 class DotWriter : AbstractWriter!(GraphWriterFactory, 2), GraphWriter {
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18 this(GraphWriterFactory factory, OutputStream[] outputs) {
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19 super(factory, outputs);
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20 }
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21
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22 void generateGraph(Vertex[] vertices, Edge[] edges) {
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23 auto output2 = new Print!(char)(new Layout!(char), outputs[0]);
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24 auto output = new Print!(char)(new Layout!(char), outputs[1]);
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25
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26 Vertex[][char[]] verticesByPckgName;
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27 if (factory.options.graph.GroupByFullPackageName)
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28 foreach (module_; vertices)
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29 verticesByPckgName[module_.name] ~= module_; // FIXME: is it name or loc?
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30
446
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31 if (factory.options.graph.HighlightCyclicVertices ||
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32 factory.options.graph.HighlightCyclicEdges)
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33 findCycles(vertices, edges);
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34
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35 if (cast(FileConduit)outputs[1]) {
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36 // name of the .dot file
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37 char[] fn = (cast(FileConduit)outputs[1]).toUtf8();
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38
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39 // .dot -> .svg/.png/.gif/...
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40 fn = fn[0..$-3] ~ imageFormatExts[factory.options.graph.imageFormat];
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41
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42 switch(factory.options.docFormat) {
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43 case DocFormat.LaTeX:
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44 output2.format("\\includegraphics{{{0}}", fn);
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45 break;
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46 case DocFormat.XML:
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47 // TODO
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48 break;
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49 case DocFormat.HTML:
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50 output2.format(`<img src="{0}" />`, fn);
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51 break;
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52 case DocFormat.PlainText:
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53 throw new Exception("Dot output is not supported in plain text mode.");
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54 }
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55 }
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56
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57 output("Digraph ModuleDependencies {\n");
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58
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59 if (factory.options.graph.HighlightCyclicVertices)
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60 foreach (module_; vertices)
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61 output.format(
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62 ` n{0} [label="{1}"{2}];`\n,
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63 module_.id,
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64 module_.name,
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65 (module_.isCyclic ? ",style=filled,fillcolor=tomato" : "")
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66 );
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67 else
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68 foreach (i, module_; vertices)
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69 output.format(` n{0} [label="{1}"];`, i, module_.name);
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70
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71 foreach (edge; edges)
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72 output.format(
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73 ` n{0} -> n{1}{2};`\n,
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74 edge.outgoing.id,
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75 edge.incoming.id,
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76 (edge.isCyclic ? "[color=red]" : "")
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77 );
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78
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79 if (factory.options.graph.GroupByFullPackageName)
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80 foreach (packageName, vertices; verticesByPckgName) {
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81 output.format(
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82 ` subgraph "cluster_{0}" {{`\n` label="{0}";color=blue;`\n` `,
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83 packageName,
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84 packageName
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85 );
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86
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87 foreach (module_; vertices)
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88 output.format(`n{0};`, module_.id);
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89 output("\n }\n");
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90 }
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91
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92 output("}");
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93 }
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94 }