Added script to validate XML Query/Schema Language files

git-svn-id: http://xe-core.googlecode.com/svn/branches/1.5.0@10544 201d5d3c-b55e-5fd7-737f-ddc643e51545

tools/dbxml_validator/xml_create_table.xsd

@@ -0,0 +1,132 @@
+<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema" xml:lang="en">
+    <xsd:annotation>
+	<xsd:documentation>
+	    XML Schema Definition (.xsd) for the XML Schema Language for XpressEngine.
+
+	    XpressEngine is an open source framework for creating your web sites.
+	    http://xpressengine.org/
+
+	    XML Schema Language currently supports SQL CREATE TABLE statements only.
+
+	    Author: Adrian Constantin, Arnia Software (adrian.constantin@arnia.ro)
+	    Date:   22 mar 2012
+
+	    The types defined here closely model the behavior of php classes in
+	    classes/db/DB*.class.php
+	</xsd:documentation>
+    </xsd:annotation>
+
+    <xsd:simpleType name="ColumnTypeType">
+	<xsd:annotation>
+	    <xsd:documentation>
+		Possible column types. Value "tinytext" is only supported by
+		CUBRID.
+	    </xsd:documentation>
+	</xsd:annotation>
+
+	<xsd:restriction base="xsd:string">
+	    <xsd:enumeration value="number" />
+	    <xsd:enumeration value="bignumber" />
+	    <xsd:enumeration value="varchar" />
+	    <xsd:enumeration value="char" />
+	    <xsd:enumeration value="text" />
+	    <xsd:enumeration value="bigtext" />
+	    <xsd:enumeration value="tinytext" />    <!-- CUBRID only -->
+	    <xsd:enumeration value="date" />
+	    <xsd:enumeration value="float" />
+	</xsd:restriction>
+    </xsd:simpleType>
+
+    <xsd:simpleType name="NameString">
+	<xsd:annotation>
+	    <xsd:documentation>
+		Non-empty string (to be used as a name).
+	    </xsd:documentation>
+	</xsd:annotation>
+	
+	<xsd:restriction base="xsd:string">
+	    <xsd:pattern value=".+" />
+	</xsd:restriction>
+    </xsd:simpleType>
+
+    <xsd:complexType name="ColumnType">
+	<xsd:annotation>
+	    <xsd:documentation>
+		XML Element type to represent a column definition in a
+		SQL CREATE TABLE statement.
+
+		Attribute 'size' should only be used for string and numeric
+		column types.
+
+		Attribute 'auto_increment' is only supported by SQL Server
+		and mysql.
+	    </xsd:documentation>
+	</xsd:annotation>
+
+	<xsd:complexContent>
+	    <xsd:restriction base="xsd:anyType">
+		<xsd:attribute name="name" use="required">
+		    <xsd:simpleType>
+			<xsd:restriction base="NameString">
+			    <xsd:pattern value="([^sS].*)|([sS](([^eE].*)|([eE](([^qQ].*)|([qQ](([^uU].*)|([uU](([^eE].*)|([eE](([^nN].*)|([nN](([^cC].*)|([cC](([^eE].*)|([eE].+)?)?)?)?)?)?)?)?)?)?)?)?)?)?)?">
+				<xsd:annotation>
+				    <xsd:documentation>
+					The table name "sequence" is reserved by XE.
+				    </xsd:documentation>
+				</xsd:annotation>
+			    </xsd:pattern>
+			</xsd:restriction>
+		    </xsd:simpleType>
+		</xsd:attribute>
+		<xsd:attribute name="type" type="ColumnTypeType" use="required" />
+		<xsd:attribute name="size" type="xsd:positiveInteger" />
+		<xsd:attribute name="default" type="xsd:string" />
+		<xsd:attribute name="notnull">
+		    <xsd:simpleType>
+			<xsd:restriction base="xsd:string">
+			    <xsd:enumeration value="notnull" />
+			</xsd:restriction>
+		    </xsd:simpleType>
+		</xsd:attribute>
+		<xsd:attribute name="primary_key">
+		    <xsd:simpleType>
+			<xsd:restriction base="xsd:string">
+			    <xsd:enumeration value="primary_key" />
+			</xsd:restriction>
+		    </xsd:simpleType>
+		</xsd:attribute>
+		<xsd:attribute name="index" type="NameString" />
+		<xsd:attribute name="unique" type="NameString" />
+		<xsd:attribute name="auto_increment">
+		    <xsd:simpleType>
+			<xsd:restriction base="xsd:string">
+			    <xsd:enumeration value="auto_increment" />
+			</xsd:restriction>
+		    </xsd:simpleType>
+		</xsd:attribute>
+	    </xsd:restriction>
+	</xsd:complexContent>
+    </xsd:complexType>
+
+    <xsd:complexType name="CreateTableType">
+	<xsd:sequence>
+	    <xsd:element name="column" type="ColumnType" minOccurs="1" maxOccurs="unbounded" />
+	</xsd:sequence>
+
+	<xsd:attribute name="name" type="NameString" use="required" />
+    </xsd:complexType>
+
+    <xsd:element name="table" type="CreateTableType">
+	<xsd:annotation>
+	    <xsd:documentation>
+		The document element, representing a SQL CREATE TABLE
+		statement.
+	    </xsd:documentation>
+	</xsd:annotation>
+
+	<xsd:key name="unique_column_names">
+	    <xsd:selector xpath="column" />
+	    <xsd:field xpath="@name" />
+	</xsd:key>
+     </xsd:element>
+</xsd:schema>