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annotate trunk/src/docgen/graphutils/dotwriter.d @ 457:33a4cb255fcc

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Cached images, small fixes, reorganizing.
author Jari-Matti M?kel? <jmjm@iki.fi>
date Tue, 30 Oct 2007 15:41:30 +0200
parents dbdc9fa5d479
children 1b5f1ce09f38
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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 debug import tango.io.Stdout;
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13
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14 /**
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15 * Creates a graph rule file for the dot utility.
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16 */
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17 class DotWriter : AbstractGraphWriter {
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18 this(GraphWriterFactory factory, PageWriter writer) {
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19 super(factory, writer);
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20 }
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21
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22 void generateDepImageFile(Vertex[] vertices, Edge[] edges, OutputStream imageFile) {
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23 auto image = new Print!(char)(new Layout!(char), imageFile);
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24
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25 Vertex[][char[]] verticesByPckgName;
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26 if (factory.options.graph.groupByFullPackageName ||
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27 factory.options.graph.groupByPackageNames) {
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28 foreach (mod; vertices) {
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29 auto parts = mod.name.delimit(".");
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30
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31 if (parts.length>1) {
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32 auto pkg = parts[0..$-1].join(".");
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33 verticesByPckgName[pkg] ~= mod;
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34 }
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35 }
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36 }
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37
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38 if (factory.options.graph.highlightCyclicVertices ||
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39 factory.options.graph.highlightCyclicEdges)
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40 findCycles(vertices, edges);
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41
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42 image("Digraph ModuleDependencies {\n");
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43
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44 foreach (module_; vertices) {
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45 auto nodeName =
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46 factory.options.graph.groupByPackageNames ?
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47 module_.name.split(".")[$-1] :
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48 module_.name;
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49
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50 image.format(
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51 ` n{0} [label="{1}"{2}];`\n,
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52 module_.id,
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53 nodeName,
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54 (module_.isCyclic && factory.options.graph.highlightCyclicVertices ?
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55 ",style=filled,fillcolor=" ~ factory.options.graph.nodeColor :
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56 (module_.type == VertexType.UnlocatableModule ?
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57 ",style=filled,fillcolor=" ~ factory.options.graph.unlocatableNodeColor :
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58 ""
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59 )
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60 )
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61 );
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62 }
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63
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64 foreach (edge; edges)
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65 image.format(
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66 ` n{0} -> n{1}{2};`\n,
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67 edge.outgoing.id,
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68 edge.incoming.id,
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69 (edge.isCyclic ? "[color=" ~ factory.options.graph.cyclicNodeColor ~ "]" : "")
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70 );
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71
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72 if (factory.options.graph.groupByPackageNames)
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73
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74 if (!factory.options.graph.groupByFullPackageName) {
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75 foreach (packageName, vertices; verticesByPckgName) {
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76 auto name = packageName.split(".");
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77
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78 if (name.length > 1) {
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79 char[] pkg;
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80 foreach(part; name) {
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81 pkg ~= part ~ ".";
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82 image.format(
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83 `subgraph "cluster_{0}" {{`\n` label="{0}"`\n,
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84 pkg[0..$-1],
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85 pkg[0..$-1]
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86 );
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87 }
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88 for (int i=0; i< name.length; i++) {
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89 image("}\n");
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90 }
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91 }
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92 }
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93 }
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94 foreach (packageName, vertices; verticesByPckgName) {
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95 image.format(
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96 ` subgraph "cluster_{0}" {{`\n` label="{0}";color=`
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97 ~ factory.options.graph.clusterColor ~ `;`\n` `,
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98 packageName,
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99 packageName
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100 );
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101
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102 foreach (module_; vertices)
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103 image.format(`n{0};`, module_.id);
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104 image("\n }\n");
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105 }
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106
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107 image("}");
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108 }
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109
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110 void generateImageTag(OutputStream imageFile) {
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111 // name of the .dot file
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112 char[] fn = (cast(Object)imageFile.conduit).toUtf8();
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113 fn = FilePath(fn).file;
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114
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115 fn = fn[0..$-3] ~ imageFormatExts[factory.options.graph.imageFormat];
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116
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117 writer.addGraphics(fn);
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118 }
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119
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120 protected void generateDepGraph(Vertex[] vertices, Edge[] edges, OutputStream imageFile) {
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121 generateImageTag(imageFile);
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122 generateDepImageFile(vertices, edges, imageFile);
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123 }
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124 }
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125
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126 class CachingDotWriter : DotWriter {
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127 CachingGraphWriterFactory factory;
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128
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129 this(CachingGraphWriterFactory factory, PageWriter writer) {
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130 super(factory, writer);
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131 }
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132
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133 protected void generateDepGraph(Vertex[] vertices, Edge[] edges, OutputStream imageFile) {
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134 generateImageTag(imageFile);
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135
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136 auto cached = factory.getCachedGraph(vertices, edges, GraphFormat.Dot);
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137
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138 if (cached) {
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139 auto image = new Print!(char)(new Layout!(char), imageFile);
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140
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141 if (cached) {
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Jari-Matti M?kel? <jmjm@iki.fi>
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142 debug Stdout("Image cache hit.\n");
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Jari-Matti M?kel? <jmjm@iki.fi>
parents: 454
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143 image(cached);
33a4cb255fcc Cached images, small fixes, reorganizing.
Jari-Matti M?kel? <jmjm@iki.fi>
parents: 454
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144 } else
33a4cb255fcc Cached images, small fixes, reorganizing.
Jari-Matti M?kel? <jmjm@iki.fi>
parents: 454
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145 generateDepImageFile(vertices, edges, imageFile);
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146 }
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147 }
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148 }
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149