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annotate trunk/src/docgen/graphutils/dotwriter.d @ 453:4e5b35df3060

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Parsing bugfixes, cleaned up imports.
author Jari-Matti M?kel? <jmjm@iki.fi>
date Thu, 25 Oct 2007 01:08:38 +0300
parents f658ec4a15dd
children dbdc9fa5d479
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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
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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 class DotWriter : AbstractGraphWriter {
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16 this(GraphWriterFactory factory, DocumentWriter writer) {
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17 super(factory, writer);
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18 }
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19
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20 void generateGraph(Vertex[] vertices, Edge[] edges, OutputStream imageFile) {
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21 auto image = new Print!(char)(new Layout!(char), imageFile);
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22
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23 Vertex[][char[]] verticesByPckgName;
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24 if (factory.options.graph.groupByFullPackageName)
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25 foreach (module_; vertices)
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26 verticesByPckgName[module_.name] ~= module_; // FIXME: is it name or loc?
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27
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28 if (factory.options.graph.highlightCyclicVertices ||
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29 factory.options.graph.highlightCyclicEdges)
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30 findCycles(vertices, edges);
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31
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32 // name of the .dot file
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33 char[] fn = (cast(Object)imageFile.conduit).toUtf8();
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34 fn = FilePath(fn).file;
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35
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36 fn = fn[0..$-4];
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37
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38 writer.addGraphics(fn);
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39
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40 image("Digraph ModuleDependencies {\n");
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41
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42 foreach (module_; vertices)
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43 image.format(
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44 ` n{0} [label="{1}"{2}];`\n,
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45 module_.id,
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46 module_.name,
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47 (module_.isCyclic && factory.options.graph.highlightCyclicVertices ?
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48 ",style=filled,fillcolor=" ~ factory.options.graph.nodeColor :
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49 (module_.type == VertexType.UnlocatableModule ?
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50 ",style=filled,fillcolor=" ~ factory.options.graph.unlocatableNodeColor :
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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
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56 foreach (edge; edges)
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57 image.format(
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58 ` n{0} -> n{1}{2};`\n,
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59 edge.outgoing.id,
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60 edge.incoming.id,
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61 (edge.isCyclic ? "[color=" ~ factory.options.graph.cyclicNodeColor ~ "]" : "")
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62 );
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63
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64 if (factory.options.graph.groupByFullPackageName)
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65 foreach (packageName, vertices; verticesByPckgName) {
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66 image.format(
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67 ` subgraph "cluster_{0}" {{`\n` label="{0}";color=`
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68 ~ factory.options.graph.clusterColor ~ `;`\n` `,
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69 packageName,
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70 packageName
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71 );
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72
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73 foreach (module_; vertices)
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74 image.format(`n{0};`, module_.id);
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75 image("\n }\n");
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76 }
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77
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78 image("}");
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79 }
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80 }