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#!/bin/sh |
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## -*- tcl -*- \ |
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exec tclsh "$0" ${1+"$@"} |
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# # ## ### ##### ######## ############# ##################### |
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## Copyright (c) 2007 Andreas Kupries. |
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# |
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# This software is licensed as described in the file LICENSE, which |
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# you should have received as part of this distribution. |
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# |
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# This software consists of voluntary contributions made by many |
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# individuals. For exact contribution history, see the revision |
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# history and logs, available at http://fossil-scm.hwaci.com/fossil |
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# # ## ### ##### ######## ############# ##################### |
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## Command line application to extract the tree of symbols (tags and |
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## branches) from a state database and show it graphically. The code |
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## uses GraphViz's 'dot' to do the layouting and conversion into an |
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## image. |
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# # ## ### ##### ######## ############# ##################### |
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## Requirements, extended package management for local packages. |
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lappend auto_path [file join [file dirname [info script]] lib] |
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package require Tcl 8.4 ; # Required runtime. |
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package require struct::graph ; # Graph handling. |
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package require struct::list ; # Higher order list ops. |
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package require vc::fossil::import::cvs::state ; # State storage. |
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package require vc::tools::dot ; # Graph export to DOT. |
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namespace import ::vc::fossil::import::cvs::state |
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namespace import ::vc::tools::dot |
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# Process the command line. Get the database to access. |
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state use [lindex $argv 0] |
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state reading symbol |
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state reading parent |
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# Get the data of all symbols in the state as a list for iteration, |
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# and as array for random access of neighbouring symbols. |
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foreach {sid name} [set symbols [state run { SELECT sid, name FROM symbol }]] { |
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set sym($sid) [list $name] |
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} |
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foreach {sid lod} [state run { SELECT sid, lod FROM tag }] { |
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lappend sym($sid) $lod $sym($lod) box Tag |
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} |
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foreach {sid lod} [state run { SELECT sid, lod FROM branch }] { |
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lappend sym($sid) $lod $sym($lod) diamond Branch |
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} |
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# Start the graph |
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struct::graph dg |
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# Convert the symbols into nodes of the graph, and use node attributes |
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# to highlight various pieces of interest for the dot conversion. |
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# Label => Symbol name. |
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foreach sid [array names sym] { |
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dg node insert $sid |
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struct::list assign $sym($sid) name lod lodname shape what |
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if {$shape eq ""} { set shape circle } |
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if {$what ne ""} { append what " " } |
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dg node set $sid label "$what$name" |
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dg node set $sid shape $shape |
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} |
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# Go through the symbols a second time, now set up the arcs based on |
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# their parent choices. Use arc attributes to highlight interesting |
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# things (...). |
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foreach sid [array names sym] { |
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struct::list assign $sym($sid) name lod lodname shape |
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if {$lod eq ""} continue ; # Root has no parent. |
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dg arc insert $sid $lod |
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} |
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# Convert the graph to dot, then run the layouter and convert to png, |
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# at last show the image. |
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vc::tools::dot layout png dg SymbolTree st.png |
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exec display st.png |
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file delete st.png |
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exit |
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