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xosofox committed Mar 25, 2011
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381 changes: 381 additions & 0 deletions contrib/dbd2propel/dbd2propel.xsl
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<?xml version="1.0"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
<xsl:output method="xml" version="1.0" encoding="UTF-8" indent="yes"/>
<xsl:strip-space elements="*"/>

<!--
DB Designer XML to Propel Schema XML
==== Author: Jonathan Graham <jkgraham@gmail.com>
==== Version: 0.5 (2008-01-25) (http://blog.tooleshed.com/?p=6)
==== Description:
This XSL will transform a DB Designer 4 database model XML file into a
Propel database schema file. This allows you to design your database
model using DB Designer 4 (models are saved in XML format) and then
easily create the Propel database schema file.
The PROPEL properties that this XSL will translate are listed below.
TABLE: name, description
COLUMN: name, primaryKey, required, type, size, scale, default, autoIncrement, description
FOREIGN-KEY: foreignTable, name, onDelete
REFERENCE: local, foreign
INDEX: index (not related to FK), unique, fulltext
==== Usage:
- Simply feed this XSL into your favorite XSLT engine along with your DB Designer
XML model. The resulting output is a Propel database schema XML.
==== Collaboration:
Peter Banik <peter@froggle.org> - UNIQUE TAG
Benedicto Franco Jr. - MULTIPLE FOREIGN KEY, DATABASE NAME
Martin Kreidenweis <martin@kreidenweis.com> - Bug fixes, INDEX
Michiel Hakvoort - onDelete
Michel D'HOOGE - FULLTEXT
Oleg Marchuk <kingoleg@mail.ru> - version 0.5
==== Software:
Propel: http://propel.phpdb.org/
DB Designer 4: http://www.fabforce.net/dbdesigner4/
==== Copyright (c) 2004-2006, Jonathan Graham
Licensed under the GNU Lesser General Public License (LGPL) - http://www.gnu.org/copyleft/lgpl.html.
==== Change Log
version 0.1 (2004-11-08) - initial version
version 0.2 (2006-10-18) - Added Peter and Benedicto's updates.
version 0.3 (2006-11-05) - added non-unique-INDEXes and onDelete
version 0.4 (2006-11-13) - added support for index names and FULLTEXT indexes, changed license to LGPL
version 0.5 (2008-01-25) - added ENUM, GEOMETRY as BLOB, scale for DECIMAL; fixed size in ENUM and spaces in relation names
-->

<!-- ============================================================ DATABASE template -->
<xsl:template match="/">
<database defaultIdMethod="native">
<xsl:attribute name="name">
<xsl:value-of select="/DBMODEL/SETTINGS/GLOBALSETTINGS/@ModelName"/>
</xsl:attribute>
<xsl:apply-templates />
</database>
</xsl:template>

<!-- ============================================================ TABLES template -->
<xsl:template match="/DBMODEL/METADATA/TABLES/TABLE">
<table>
<xsl:attribute name="name">
<xsl:value-of select="@Tablename"/>
</xsl:attribute>
<xsl:if test="@Comments != ''">
<xsl:attribute name="description">
<xsl:value-of select="@Comments" />
</xsl:attribute>
</xsl:if>
<xsl:apply-templates />
</table>
</xsl:template>


<!-- ============================================================ COLUMNS template -->
<xsl:template match="COLUMNS/COLUMN">
<column>
<!-- get data type -->
<xsl:variable name="datatype">
<xsl:call-template name="get_datatype">
<xsl:with-param name="id"><xsl:value-of select="@idDatatype"/></xsl:with-param>
</xsl:call-template>
</xsl:variable>

<!-- remove parens from datatypeparams -->
<xsl:variable name="dtpclean">
<xsl:call-template name="clean_dataparams">
<xsl:with-param name="dtp"><xsl:value-of select="@DatatypeParams"/></xsl:with-param>
</xsl:call-template>
</xsl:variable>

<!-- ==== name ==== -->
<xsl:attribute name="name">
<xsl:value-of select="@ColName"/>
</xsl:attribute>

<!-- ==== type ==== -->
<xsl:attribute name="type">
<xsl:choose>
<xsl:when test="$datatype = 'ENUM'">
<xsl:value-of select="'CHAR'" />
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="$datatype"/>
</xsl:otherwise>
</xsl:choose>
</xsl:attribute>

<xsl:if test="$dtpclean != ''">
<!-- ==== size ==== -->
<xsl:attribute name="size">
<xsl:call-template name="get_datasize">
<xsl:with-param name="dtpc"><xsl:value-of select="$dtpclean"/></xsl:with-param>
<xsl:with-param name="dtype"><xsl:value-of select="$datatype"/></xsl:with-param>
</xsl:call-template>
</xsl:attribute>

<xsl:if test="contains('FLOAT,DOUBLE,DECIMAL',$datatype)">
<!-- ==== scale ==== -->
<xsl:attribute name="scale">
<xsl:value-of select="substring-after($dtpclean,',')"/>
</xsl:attribute>
</xsl:if>

</xsl:if>

<!-- ==== primaryKey ==== -->
<xsl:if test="@PrimaryKey = '1'">
<xsl:attribute name="primaryKey">true</xsl:attribute>
</xsl:if>

<!-- ==== required ==== -->
<xsl:if test="@NotNull = '1'">
<xsl:attribute name="required">true</xsl:attribute>
</xsl:if>

<!-- ==== default ==== -->
<xsl:if test="@DefaultValue != ''">
<xsl:attribute name="default">
<xsl:value-of select="@DefaultValue"/>
</xsl:attribute>
</xsl:if>

<!-- ==== autoIncrement ==== -->
<xsl:if test="@AutoInc = '1'">
<xsl:attribute name="autoIncrement">true</xsl:attribute>
</xsl:if>

<!-- ==== description ==== -->
<xsl:if test="@Comments != ''">
<xsl:attribute name="description">
<xsl:value-of select="@Comments"/>
</xsl:attribute>
</xsl:if>

</column>
</xsl:template>

<!-- ============================================================ RELATIONS template -->
<xsl:template match="RELATIONS_END/RELATION_END">

<xsl:variable name="id"><xsl:value-of select="@ID"/></xsl:variable>

<xsl:call-template name="show_ForeignKey">
<xsl:with-param name="relation" select="/DBMODEL/METADATA/RELATIONS/RELATION[@ID=$id]"/>
</xsl:call-template>

</xsl:template>

<!-- ============================================================ INDEX template -->
<xsl:template match="INDICES/INDEX">
<xsl:choose>
<xsl:when test="@IndexKind = '1' and @FKRefDef_Obj_id='-1'">
<index>
<xsl:attribute name="name"><xsl:value-of select="@IndexName"/></xsl:attribute>
<xsl:apply-templates select="INDEXCOLUMNS/INDEXCOLUMN" mode="normal"/>
</index>
</xsl:when>
<xsl:when test="@IndexKind = '2'">
<unique>
<xsl:attribute name="name"><xsl:value-of select="@IndexName"/></xsl:attribute>
<xsl:apply-templates select="INDEXCOLUMNS/INDEXCOLUMN" mode="unique"/>
</unique>
</xsl:when>
<xsl:when test="@IndexKind = '3'">
<index>
<xsl:attribute name="name"><xsl:value-of select="@IndexName"/></xsl:attribute>
<xsl:apply-templates select="INDEXCOLUMNS/INDEXCOLUMN" mode="normal"/>
<vendor type="mysql">
<parameter name="Index_type" value="FULLTEXT"/>
</vendor>
</index>
</xsl:when>
</xsl:choose>
</xsl:template>


<!-- ============================================================ columns within an index -->
<xsl:template match="INDICES/INDEX/INDEXCOLUMNS/INDEXCOLUMN" mode="normal">
<xsl:variable name="columnId"><xsl:value-of select="@idColumn"/></xsl:variable>
<index-column>
<xsl:attribute name="name"><xsl:value-of select="//COLUMNS/COLUMN[@ID=$columnId]/@ColName"/></xsl:attribute>
</index-column>
</xsl:template>

<xsl:template match="INDICES/INDEX/INDEXCOLUMNS/INDEXCOLUMN" mode="unique">
<xsl:variable name="columnId"><xsl:value-of select="@idColumn"/></xsl:variable>
<unique-column>
<xsl:attribute name="name"><xsl:value-of select="//COLUMNS/COLUMN[@ID=$columnId]/@ColName"/></xsl:attribute>
</unique-column>
</xsl:template>


<!-- ============================================================ show_ForeignKey -->
<xsl:template name="show_ForeignKey">
<xsl:param name="relation"/>
<foreign-key>

<!-- foreignTable -->
<xsl:attribute name="foreignTable">
<xsl:value-of select="/DBMODEL/METADATA/TABLES/TABLE[@ID=$relation/@SrcTable]/@Tablename"/>
</xsl:attribute>

<!-- name -->
<xsl:attribute name="name">
<xsl:value-of select="translate($relation/@RelationName, ' ', '_')"/>
</xsl:attribute>

<!-- onDelete -->
<xsl:attribute name="onDelete">

<xsl:variable name="actionId">
<xsl:call-template name="str_replace">
<xsl:with-param name="stringIn" select="substring-before(substring-after($relation/@RefDef,'\n'), '\n')"/>
<xsl:with-param name="charsIn" select="'OnDelete='"/>
<xsl:with-param name="charsOut" select="''"/>
</xsl:call-template>
</xsl:variable>

<xsl:call-template name="get_actiontype">
<xsl:with-param name="id" select="$actionId" />
</xsl:call-template>

</xsl:attribute>

<!-- === reference tag === -->
<xsl:call-template name="build_fk">
<xsl:with-param name="stringIn" select="$relation/@FKFields"/>
</xsl:call-template>

</foreign-key>
</xsl:template>

<!--
============================================================
============================================================ template "functions"
============================================================
-->

<!-- ============================================================ get_datatype -->
<xsl:template name="get_datatype">
<xsl:param name="id"/>

<xsl:variable name="type">
<xsl:value-of select="/DBMODEL/SETTINGS/DATATYPES/DATATYPE[@ID=$id]/@TypeName"/>
</xsl:variable>

<xsl:choose>
<xsl:when test="$type = 'DATETIME'" >TIMESTAMP</xsl:when>
<xsl:when test="$type = 'TEXT'" >LONGVARCHAR</xsl:when>
<xsl:when test="$type = 'BOOL'" >BOOLEAN</xsl:when>
<xsl:when test="$type = 'GEOMETRY'" >BLOB</xsl:when>
<xsl:otherwise>
<xsl:value-of select="$type"/>
</xsl:otherwise>
</xsl:choose>

</xsl:template>


<!-- ============================================================ get_datasize -->
<xsl:template name="get_datasize">
<xsl:param name="dtpc"/>
<xsl:param name="dtype"/>

<xsl:choose>
<xsl:when test="contains('FLOAT,DOUBLE,DECIMAL',$dtype)" >
<xsl:value-of select="substring-before($dtpc,',')"/>
</xsl:when>
<xsl:when test="$dtype = 'ENUM'">
<xsl:value-of select="''" />
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="$dtpc"/>
</xsl:otherwise>
</xsl:choose>

</xsl:template>


<!-- ============================================================ clean_dataparams -->
<xsl:template name="clean_dataparams">
<xsl:param name="dtp"/>

<xsl:variable name="dtp2">
<xsl:call-template name="str_replace">
<xsl:with-param name="stringIn" select="$dtp"/>
<xsl:with-param name="charsIn" select="'('"/>
<xsl:with-param name="charsOut" select="''"/>
</xsl:call-template>
</xsl:variable>

<xsl:call-template name="str_replace">
<xsl:with-param name="stringIn" select="$dtp2"/>
<xsl:with-param name="charsIn" select="')'"/>
<xsl:with-param name="charsOut" select="''"/>
</xsl:call-template>

</xsl:template>


<!-- ============================================================ str_replace -->
<xsl:template name="str_replace">
<xsl:param name="stringIn"/>
<xsl:param name="charsIn"/>
<xsl:param name="charsOut"/>
<xsl:choose>
<xsl:when test="contains($stringIn,$charsIn)">
<xsl:value-of select="concat(substring-before($stringIn,$charsIn),$charsOut)"/>
<xsl:call-template name="str_replace">
<xsl:with-param name="stringIn" select="substring-after($stringIn,$charsIn)"/>
<xsl:with-param name="charsIn" select="$charsIn"/>
<xsl:with-param name="charsOut" select="$charsOut"/>
</xsl:call-template>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="$stringIn"/>
</xsl:otherwise>
</xsl:choose>
</xsl:template>


<!-- ============================================================== build_fk -->
<xsl:template name="build_fk">
<xsl:param name="stringIn"/>
<xsl:variable name="FKClean">
<xsl:value-of select="substring-before($stringIn, '\n')"/>
</xsl:variable>
<reference>
<xsl:attribute name="local">
<xsl:value-of select="substring-after($FKClean, '=')"/>
</xsl:attribute>
<xsl:attribute name="foreign">
<xsl:value-of select="substring-before($FKClean, '=')"/>
</xsl:attribute>
</reference>
<xsl:if test="contains(substring-after($stringIn,'\n'),'=')">
<xsl:call-template name="build_fk">
<xsl:with-param name="stringIn" select="substring-after($stringIn,'\n')"/>
</xsl:call-template>
</xsl:if>
</xsl:template>

<!-- ======================================================== get_actiontype -->

<xsl:template name="get_actiontype">
<xsl:param name="id"/>

<xsl:choose>
<xsl:when test="$id = 0">restrict</xsl:when>
<xsl:when test="$id = 1">cascade</xsl:when>
<xsl:when test="$id = 2">setnull</xsl:when>
<xsl:otherwise>restrict</xsl:otherwise>
</xsl:choose>
</xsl:template>

</xsl:stylesheet>
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