svn commit: r1082561 - /commons/sandbox/gsoc/2010/scxml-js/trunk/src/xslt/util/scxml-to-dot.xsl

[jb...@apache.org]

Author: jbeard
Date: Thu Mar 17 16:18:30 2011
New Revision: 1082561

URL: http://svn.apache.org/viewvc?rev=1082561&view=rev
Log:
Started work on scxml-to-dot.xsl, which take scxml documents and converts them to dot files for the purposes of generating graphical representations.

Added:
    commons/sandbox/gsoc/2010/scxml-js/trunk/src/xslt/util/scxml-to-dot.xsl   (with props)

Added: commons/sandbox/gsoc/2010/scxml-js/trunk/src/xslt/util/scxml-to-dot.xsl
URL: http://svn.apache.org/viewvc/commons/sandbox/gsoc/2010/scxml-js/trunk/src/xslt/util/scxml-to-dot.xsl?rev=1082561&view=auto
==============================================================================
--- commons/sandbox/gsoc/2010/scxml-js/trunk/src/xslt/util/scxml-to-dot.xsl (added)
+++ commons/sandbox/gsoc/2010/scxml-js/trunk/src/xslt/util/scxml-to-dot.xsl Thu Mar 17 16:18:30 2011
@@ -0,0 +1,115 @@
+<?xml version="1.0"?>
+<!--
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+-->
+<!--
+This stylesheet takes as input an scxml document, and produces as output
+a document in the graphviz dot syntax.
+-->
+<stylesheet 
+	xmlns="http://www.w3.org/1999/XSL/Transform" 
+	xmlns:c="http://commons.apache.org/scxml-js"
+	xmlns:exsl="http://exslt.org/common"
+	xmlns:s="http://www.w3.org/2005/07/scxml"
+	version="1.0">
+	<output method="text"/>
+
+	<template match="/">
+		digraph G {
+			<apply-templates select="*[not(self::s:transition)]"/>
+
+			<apply-templates select="//s:transition"/>
+		}
+	</template>
+
+	<template match="s:scxml | s:state[.//s:state] | s:parallel">
+		subgraph cluster_<value-of select="@id"/> {
+			color="blue";
+			label="<value-of select="@id"/>";
+
+			<apply-templates select="*[not(self::s:transition)]"/>
+		}
+	</template>
+
+	<template match="s:state[not(.//s:state)]">
+		<value-of select="@id"/>;
+	</template>
+
+	<template match="s:transition">
+		<variable name="sourceId" select="../@id"/>
+		<variable name="sourceState" select="//*[@id=$sourceId]"/>
+		<variable name="sourceStatesBasicSubstates" select="$sourceState//s:state[not(.//s:state)]"/>
+
+		<variable name="sourceBasicStateId">
+			<choose>
+				<when test="$sourceStatesBasicSubstates">
+					<!-- source is a composite state -->
+					<value-of select="$sourceStatesBasicSubstates[1]/@id"/>
+				</when>
+				<otherwise>
+					<!-- use the first basic substate as the target -->
+					<value-of select="$sourceId"/>
+				</otherwise>
+			</choose>
+		</variable>
+
+
+		<variable name="targetId">
+			<choose>
+				<when test="@target">
+					<value-of select="@target"/>
+				</when>
+				<otherwise>
+					<value-of select="$sourceId"/>
+				</otherwise>
+			</choose>
+		</variable>
+
+		<variable name="targetState" select="//*[@id=$targetId]"/>
+		<variable name="targetStatesBasicSubstates" select="$targetState//s:state[not(.//s:state)]"/>
+
+		<variable name="targetBasicStateId">
+			<choose>
+				<when test="$targetStatesBasicSubstates">
+					<!-- target is a composite state -->
+
+					<!-- use the first basic substate as the target -->
+					<value-of select="$targetStatesBasicSubstates[1]/@id"/>
+				</when>
+				<otherwise>
+					<!-- target is a basic state -->
+					<value-of select="$targetId"/>
+				</otherwise>
+			</choose>
+		</variable>
+
+		<value-of select="$sourceBasicStateId"/> -> <value-of select="$targetBasicStateId"/>
+		[
+			<if test="$sourceStatesBasicSubstates">
+				ltail=cluster_<value-of select="$sourceId"/>,
+			</if>
+			<if test="$targetStatesBasicSubstates">
+				lhead=cluster_<value-of select="$targetId"/>,
+			</if>
+			<if test="@event | s:script | @cond">
+				label="<value-of select="@event"/>[<if test="@cond"><value-of select="@cond"/></if>]"
+			</if>
+		];
+	</template>
+
+	<template match="s:script"/>
+
+</stylesheet>

Propchange: commons/sandbox/gsoc/2010/scxml-js/trunk/src/xslt/util/scxml-to-dot.xsl
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