diff xslt/model.xsl @ 2:035de8b7b18e

Temporary commit, refactoring, added readme
author cin
date Sun, 25 Feb 2018 17:12:33 +0300
parents
children 437127ab6a12
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/xslt/model.xsl	Sun Feb 25 17:12:33 2018 +0300
@@ -0,0 +1,312 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<xsl:stylesheet version="1.0"
+	xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:m="http://implab.org/schemas/data-model.v1.xsd"
+	xmlns:clr="http://implab.org/schemas/data-model/dotnet.v1.xsd"
+	xmlns:cs="http://implab.org/schemas/code-dom/csharp.v1.xsd" xmlns:sql="http://implab.org/schemas/data-model/sql.v1.xsd"
+	xmlns:t="http://implab.org/schemas/temp" xmlns:exsl="http://exslt.org/common"
+	exclude-result-prefixes="clr m xsl exsl sql">
+	
+	<xsl:import href="preprocess.xsl" />
+	<xsl:include href="text-tools.xsl"/>
+	
+	<xsl:output method="xml" indent="yes" />
+
+	<xsl:key name="type" match="m:package/m:*" use="@name" />
+
+	<xsl:template match="/">
+		<cs:document>
+			<xsl:apply-templates select="$module" mode="document" />
+		</cs:document>
+	</xsl:template>
+
+	<!-- code generation -->
+
+	<!-- disable default template -->
+	<xsl:template match="*|text()" mode="document" />
+
+	<xsl:template match="t:module" mode="document">
+		<xsl:apply-templates mode="document" />
+	</xsl:template>
+
+	<!-- generate code for primary package -->
+	<xsl:template match="m:package[@primary='true' and @clr:namespace]"	mode="document">
+		<cs:namespace name="{@clr:namespace}">
+			<xsl:apply-templates mode="document" />
+		</cs:namespace>
+	</xsl:template>
+
+	<xsl:template match="m:package[@primary='true']" mode="document">
+		<xsl:apply-templates mode="document" />
+	</xsl:template>
+	
+	<!-- member resolution traits -->
+	
+	<!-- Resolves members using given criteria
+		@param type
+			the name of the type whose members are inspected
+		@param memberName
+			the name of the member to lookup
+		@param scope
+			the scope where to look (members, properties, keys, relations)
+			
+		This template recursively inspects the given type down to it's inheritance
+		hierarchy and outputs members matching criteria.
+	 -->
+	<xsl:template name="getMembers">
+		<xsl:param name="type"/>
+		<xsl:param name="memberName" select="''"/>
+		<xsl:param name="scope" select="'members'"/>
+		<!-- prevents cyclic references -->
+		<xsl:param name="seen" select="/.."/>
+		<xsl:for-each select="$module">
+			<xsl:apply-templates select="key('type', $type)"
+				mode="lookup-members">
+				<xsl:with-param name="memberName" select="$memberName"/>
+				<xsl:with-param name="scope" select="$scope"/>
+				<xsl:with-param name="seen" select="$seen"/>
+			</xsl:apply-templates>
+		</xsl:for-each>
+	</xsl:template>
+	
+	<xsl:template match="*" mode="lookup-members"/>
+	
+	<xsl:template match="m:entity" mode="lookup-members">
+		<xsl:param name="memberName" select="''"/>
+		<xsl:param name="scope" select="'members'"/>
+		<xsl:param name="seen"/>
+		
+		<xsl:variable name="self" select="."/>
+		
+		<xsl:if test="not($seen[generate-id() = generate-id($self)])">
+			<xsl:variable name="scopeMembers">
+				<xsl:call-template name="selectScopeMembers">
+					<xsl:with-param name="scope" select="$scope"/>
+				</xsl:call-template>
+			</xsl:variable>
+			
+			<xsl:variable name="members" select="exsl:node-set($scopeMembers)/*[not($memberName) or @name='$memberName']"/>
+			
+			<xsl:choose>
+				<xsl:when test="$members">
+					<xsl:copy-of select="$members"/>
+				</xsl:when>
+				<xsl:when test="m:extends">
+					<xsl:call-template name="getMembers">
+						<xsl:with-param name="type" select="m:extends/@type"/>
+						<xsl:with-param name="memberName" select="$memberName"/>
+						<xsl:with-param name="scope" select="$scope"/>
+						<xsl:with-param name="seen" select="$seen | $self"/>
+					</xsl:call-template>
+				</xsl:when>
+				<xsl:otherwise>
+					<xsl:call-template name="warn">
+						<xsl:with-param name="msg">
+							<t:trace msg="failed to resolve {$member}"/>
+							<t:trace msg="inspected classes">
+							<xsl:for-each select="$seen | $self">
+								<t:trace msg="{name()} {@name}"/>
+							</xsl:for-each>
+							</t:trace>
+						</xsl:with-param>
+					</xsl:call-template>
+				</xsl:otherwise>
+			</xsl:choose>
+		</xsl:if>
+	</xsl:template>
+	
+	<!-- this template implements scope filtering -->
+	<xsl:template name="selectScopeMembers">
+		<xsl:param name="scope" select="'members'"/>
+		<xsl:choose>
+			<xsl:when test="$scope='members'">
+				<xsl:apply-templates mode="filter-members"/>
+			</xsl:when>
+			<xsl:when test="$scope='keys'">
+				<xsl:apply-template mode="filter-keys"/>
+			</xsl:when>
+			<xsl:when test="$scope='properties'">
+				<xsl:apply-templates mode="fiflter-properties"/>
+			</xsl:when>
+			<xsl:when test="$scope='relations'">
+				<xsl:apply-templates mode="fiflter-relations"/>
+			</xsl:when>
+		</xsl:choose>
+	</xsl:template>
+	
+	<!-- filter-members -->
+	<xsl:template match="*|text()" mode="filter-members"/>
+	<xsl:template match="*[@name]" mode="filter-members">
+		<xsl:copy>
+			<xsl:copy-of select="@*" />
+			<xsl:attribute name="declaringType"><xsl:value-of select="../@name" /></xsl:attribute>
+			<xsl:copy-of select="*" />
+		</xsl:copy>
+	</xsl:template>
+	
+	<!-- filter-keys -->
+	<xsl:template match="*|text()" mode="filter-keys"/>
+	<xsl:template match="m:primaryKey" mode="filter-keys">
+		<xsl:apply-templates select="." mode="filter-members"/>
+	</xsl:template>
+	
+	<!-- filter-properties -->
+	<xsl:template match="*|text()" mode="filter-properties"/>
+	<xsl:template match="m:property" mode="filter-properties">
+		<xsl:apply-templates select="." mode="filter-members"/>
+	</xsl:template>
+	
+	<!-- filter-relations -->
+	<xsl:template match="*|text()" mode="filter-relations"/>
+	<xsl:template match="m:hasA | m:hasMany" mode="filter-relations">
+		<xsl:apply-templates select="." mode="filter-members"/>
+	</xsl:template>
+
+	
+
+	<!-- primary key -->
+	
+	<!-- Resolves primaryKey information for the given type name.
+		@returns m:primaryKey node copy with additional attribute
+		@declaringType which points to the type where this primaryKey
+		was defined.
+	-->
+	<xsl:template name="getPrimaryKey">
+		<xsl:param name="type" />
+		<xsl:call-template name="getMembers">
+			<xsl:with-param name="type" select="$type"/>
+			<xsl:with-param name="scope" select="keys"/>
+		</xsl:call-template>
+	</xsl:template>
+	
+	<!--  -->
+	<xsl:template name="getKeyType">
+		<xsl:param name="type" />
+		<xsl:variable name="otherKey">
+			<xsl:call-template name="getKey">
+				<xsl:with-param name="type" select="$type" />
+			</xsl:call-template>
+		</xsl:variable>
+		<xsl:apply-templates select="exsl:node-set($otherKey)/m:primaryKey" mode="property-type"/>
+	</xsl:template>
+	
+	<xsl:template name="getKeyName">
+		<xsl:param name="type" />
+		<xsl:variable name="otherKey">
+			<xsl:call-template name="getKey">
+				<xsl:with-param name="type" select="$type" />
+			</xsl:call-template>
+		</xsl:variable>
+		<xsl:apply-templates select="exsl:node-set($otherKey)/m:primaryKey" mode="property-name"/>
+	</xsl:template>
+
+	<!-- internal. applied to the entity with a primaryKey node -->
+	<xsl:template match="m:entity[m:primaryKey]" mode="resolvePK">
+		<xsl:apply-templates select="m:primaryKey" mode="resolvePK" />
+	</xsl:template>
+
+	<!--
+	This template formats the result of 'resolvePk' template,
+	override this template to extend returned metadata, beware that
+	other templates rely on the resulting format of this template.
+	-->
+	<xsl:template match="m:primaryKey" mode="resolvePK">
+		<xsl:copy>
+			<xsl:copy-of select="@*" />
+			<xsl:attribute name="declaringType"><xsl:value-of select="../@name" /></xsl:attribute>
+			<xsl:copy-of select="*" />
+		</xsl:copy>
+	</xsl:template>
+
+	<!-- internal, used to traverse the hierarchy -->
+	<xsl:template match="m:entity" mode="resolvePK">
+		<xsl:apply-templates select="m:extends" mode="resolvePK" />
+	</xsl:template>
+
+	<!-- internal, used to traverse the hierarchy -->
+	<xsl:template match="m:extends" mode="resolvePK">
+		<xsl:apply-templates select="key('type', @type)"
+			mode="resolvePK" />
+	</xsl:template>
+
+	<!-- resolves CLR type for the given type -->
+	<xsl:template name="getClrType">
+		<xsl:param name="type" />
+		<xsl:param name="typeArgs" select="/.." />
+		<!-- <t:trace msg="resolveClrType {$type}"/> -->
+		<xsl:for-each select="$module">
+			<xsl:apply-templates select="key('type', $type)"
+				mode="clr-type">
+				<xsl:with-param name="typeArgs" select="$typeArgs"/>
+			</xsl:apply-templates>
+		</xsl:for-each>
+	</xsl:template>
+	
+	<!-- CLR type construction -->
+	<xsl:template match="*" mode="clr-type" />
+
+	<xsl:template match="m:type[clr:type]" mode="clr-type">
+		<xsl:param name="typeArgs" select="clr:type/*" />
+		<xsl:apply-templates select="clr:type" mode="clr-type">
+			<xsl:with-param name="typeArgs" select="$typeArgs" />
+		</xsl:apply-templates>
+	</xsl:template>
+
+	<xsl:template match="m:entity" mode="clr-type">
+		<cs:type name="{@clr:name | @name[not(../@clr:name)]}" namespace="{ancestor::*[@clr:namespace]/@clr:namespace}" />
+	</xsl:template>
+	
+	<xsl:template match="clr:type" mode="clr-type">
+		<xsl:apply-templates mode="clr-type"/>
+	</xsl:template>
+
+	<xsl:template match="clr:type[@ref]" mode="clr-type">
+		<xsl:param name="typeArgs" select="*" />
+		<xsl:call-template name="getClrType">
+			<xsl:with-param name="type" select="@ref" />
+			<xsl:with-param name="typeArgs" select="$typeArgs" />
+		</xsl:call-template>
+	</xsl:template>
+
+	<xsl:template match="clr:type[@cs:name or @name]" mode="clr-type">
+		<xsl:param name="typeArgs" select="*" />
+		<xsl:variable name="ns"
+			select="@cs:namespace | @namespace[not(../@cs:namespace)]" />
+		<cs:type name="{@cs:name | @name[not(../@cs:name)]}">
+			<xsl:if test="$ns">
+				<xsl:attribute name="namespace"><xsl:value-of select="$ns" /></xsl:attribute>
+			</xsl:if>
+			<xsl:copy-of select="@struct"/>
+			
+			<xsl:apply-templates select="$typeArgs | *[not($typeArgs)]"
+				mode="clr-type" />
+		</cs:type>
+	</xsl:template>
+
+	<xsl:template match="clr:arrayOf[@type]" mode="clr-type">
+		<xsl:param name="typeArgs" select="*" />
+		<cs:array>
+			<xsl:call-template name="getClrType">
+				<xsl:with-param name="type" select="@type" />
+				<xsl:with-param name="typeArgs" select="$typeArgs" />
+			</xsl:call-template>
+		</cs:array>
+	</xsl:template>
+
+	<xsl:template match="clr:arrayOf[@cs:name or @name]" mode="clr-type">
+		<xsl:param name="typeArgs" select="*" />
+		<xsl:variable name="ns"
+			select="@cs:namespace | @namespace[not(../@cs:namespace)]" />
+		<cs:array>
+			<cs:type name="{@cs:name | @name[not(../@cs:name)]}">
+				<xsl:if test="$ns">
+					<xsl:attribute name="namespace"><xsl:value-of
+						select="$ns" /></xsl:attribute>
+				</xsl:if>
+				<xsl:apply-templates select="$typeArgs | *[not($typeArgs)]"
+					mode="clr-type" />
+			</cs:type>
+		</cs:array>
+	</xsl:template>
+	
+	
+</xsl:stylesheet>