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annotate trunk/src/docgen/graphutils/dotwriter.d @ 459:1b5f1ce09f38

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Fix to the image cache, cleaned stuff.
author Jari-Matti M?kel? <jmjm@iki.fi>
date Tue, 30 Oct 2007 16:58:17 +0200
parents 33a4cb255fcc
children b7503e02fbe7
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.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 this(GraphWriterFactory factory, PageWriter writer) {
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20 super(factory, writer);
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21 }
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22
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23 char[] generateDepImageFile(Vertex[] vertices, Edge[] edges) {
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24 char[] image;
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25 auto sprint = new Sprint!(char);
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26
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27 Vertex[][char[]] verticesByPckgName;
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28 if (factory.options.graph.groupByFullPackageName ||
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29 factory.options.graph.groupByPackageNames) {
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30 foreach (mod; vertices) {
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31 auto parts = mod.name.delimit(".");
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32
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33 if (parts.length>1) {
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34 auto pkg = parts[0..$-1].join(".");
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35 verticesByPckgName[pkg] ~= mod;
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36 }
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37 }
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38 }
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39
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40 if (factory.options.graph.highlightCyclicVertices ||
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41 factory.options.graph.highlightCyclicEdges)
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42 findCycles(vertices, edges);
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43
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44 image ~= "Digraph ModuleDependencies {\n";
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45
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46 foreach (module_; vertices) {
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47 auto nodeName =
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48 factory.options.graph.groupByPackageNames ?
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49 module_.name.split(".")[$-1] :
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50 module_.name;
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51
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52 image ~= sprint.format(
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53 ` n{0} [label="{1}"{2}];`\n,
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54 module_.id,
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55 nodeName,
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56 (module_.isCyclic && factory.options.graph.highlightCyclicVertices ?
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57 ",style=filled,fillcolor=" ~ factory.options.graph.nodeColor :
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58 (module_.type == VertexType.UnlocatableModule ?
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59 ",style=filled,fillcolor=" ~ factory.options.graph.unlocatableNodeColor :
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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 }
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65
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66 foreach (edge; edges)
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67 image ~= sprint.format(
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68 ` n{0} -> n{1}{2};`\n,
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69 edge.outgoing.id,
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70 edge.incoming.id,
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71 (edge.isCyclic ? "[color=" ~ factory.options.graph.cyclicNodeColor ~ "]" : "")
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72 );
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73
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74 if (factory.options.graph.groupByPackageNames)
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75
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76 if (!factory.options.graph.groupByFullPackageName) {
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77 foreach (packageName, vertices; verticesByPckgName) {
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78 auto name = packageName.split(".");
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79
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80 if (name.length > 1) {
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81 char[] pkg;
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82 foreach(part; name) {
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83 pkg ~= part ~ ".";
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84 image ~= sprint.format(
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85 `subgraph "cluster_{0}" {{`\n` label="{0}"`\n,
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86 pkg[0..$-1],
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87 pkg[0..$-1]
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88 );
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89 }
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90 for (int i=0; i< name.length; i++) {
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91 image ~= "}\n";
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92 }
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93 }
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94 }
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95 }
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96 foreach (packageName, vertices; verticesByPckgName) {
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97 image ~= sprint.format(
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98 ` subgraph "cluster_{0}" {{`\n` label="{0}";color=`
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99 ~ factory.options.graph.clusterColor ~ `;`\n` `,
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100 packageName,
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101 packageName
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102 );
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103
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104 foreach (module_; vertices)
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105 image ~= sprint.format(`n{0};`, module_.id);
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106 image ~= "\n }\n";
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107 }
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108
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109 image ~= "}";
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110
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111 return image;
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112 }
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113
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114 void generateImageTag(OutputStream imageFile) {
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115 // name of the .dot file
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116 char[] fn = (cast(Object)imageFile.conduit).toUtf8();
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117 fn = FilePath(fn).file;
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118
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119 fn = fn[0..$-3] ~ imageFormatExts[factory.options.graph.imageFormat];
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120
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121 writer.addGraphics(fn);
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122 }
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123
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124 protected void generateDepGraph(Vertex[] vertices, Edge[] edges, OutputStream imageFile) {
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125 generateImageTag(imageFile);
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126
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127 auto image = generateDepImageFile(vertices, edges);
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128 auto printer = new Print!(char)(new Layout!(char), imageFile);
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129 printer(image);
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130 }
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131 }
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132
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133 class CachingDotWriter : DotWriter {
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134 CachingGraphWriterFactory factory;
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135
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136 this(CachingGraphWriterFactory factory, PageWriter writer) {
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137 super(factory, writer);
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138 this.factory = factory;
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139 }
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140
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141 protected void generateDepGraph(Vertex[] vertices, Edge[] edges, OutputStream imageFile) {
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142 generateImageTag(imageFile);
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143
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144 auto cached = factory.graphCache.getCachedGraph(vertices, edges, GraphFormat.Dot);
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145
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146 auto printer = new Print!(char)(new Layout!(char), imageFile);
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147
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148 if (cached) {
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149 printer(cached);
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150 } else {
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151 auto image = generateDepImageFile(vertices, edges);
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152 factory.graphCache.setCachedGraph(vertices, edges, GraphFormat.Dot, image);
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153 printer(image);
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154 }
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155 }
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156 }
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157