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/******************************************************************************
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* $Id: nitf_spec.xsd 22867 2011-08-06 13:47:27Z rouault $
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* Project: NITF Library
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* Purpose: Schema of description of NITF TREs
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* Author: Even Rouault, <even dot rouault at mines dash paris dot org>
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**********************************************************************
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* Copyright (c) 2011, Even Rouault
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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****************************************************************************/
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<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
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<xs:element name="tres">
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<xs:element name="tre" type="treType" minOccurs="0" maxOccurs="unbounded"/>
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<xs:complexType name="treType">
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<xs:group ref="itemType"/>
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<xs:attribute name="name" type="xs:string"/>
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<xs:attribute name="md_prefix" type="xs:string" use="optional"/>
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<xs:attribute name="length" type="positiveInteger" use="optional"/>
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<xs:attribute name="minlength" type="xs:integer" use="optional"/>
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<xs:attribute name="maxlength" type="xs:integer" use="optional"/>
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<xs:attribute name="location" type="xs:string" use="optional"/>
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<xs:group name="itemType">
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<xs:choice minOccurs="0" maxOccurs="unbounded">
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<xs:element name="field" type="fieldType">
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<xs:selector xpath="."/>
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<xs:field xpath="@length|@length_var"/>
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<xs:element name="loop" type="loopType">
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<xs:selector xpath="."/>
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<xs:field xpath="@counter|@iterations|@formula"/>
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<xs:element name="if" type="ifType"/>
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<xs:element name="if_remaining_bytes" type="if_remaining_bytesType" minOccurs="0" maxOccurs="1"/>
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<xs:complexType name="loopType">
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<xs:group ref="itemType"/>
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<xs:attribute name="name"/>
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<xs:attribute name="counter" type="xs:string"/>
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<xs:attribute name="iterations" type="positiveInteger"/>
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<xs:attribute name="formula">
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<xs:restriction base="xs:string">
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<xs:enumeration value="(NPART+1)*(NPART)/2"/>
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<xs:enumeration value="(NUMOPG+1)*(NUMOPG)/2"/>
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<xs:enumeration value="NPAR*NPARO"/>
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<xs:enumeration value="NPLN-1"/>
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<xs:enumeration value="NXPTS*NYPTS"/>
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<xs:attribute name="md_prefix" use="optional">
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<xs:restriction base="xs:string">
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<xs:pattern value="([a-z]|[A-Z]|[0-9]|_)*(%[0-9]*d)?([a-z]|[A-Z]|[0-9]|_)*"/>
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<xs:simpleType name="positiveInteger">
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<xs:restriction base="xs:integer">
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<xs:minInclusive value="1"/>
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<xs:complexType name="ifType">
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<xs:group ref="itemType"/>
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<xs:attribute name="cond">
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<xs:restriction base="xs:string">
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<xs:pattern value=".+[!]?=.*"/>
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<xs:complexType name="if_remaining_bytesType">
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<xs:group ref="itemType"/>
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<xs:complexType name="fieldType">
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<xs:attribute name="length" type="positiveInteger"/>
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<xs:attribute name="length_var" type="xs:string"/>
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<xs:attribute name="name" type="xs:string" use="optional"/>
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<xs:attribute name="longname" type="xs:string" use="optional"/>
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<xs:attribute name="type" use="optional">
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<xs:restriction base="xs:string">
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<xs:enumeration value="string"/>
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<xs:enumeration value="integer"/>
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<xs:enumeration value="real"/>
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<xs:attribute name="unit" type="xs:string" use="optional"/>
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<xs:attribute name="minval" use="optional"/>
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<xs:attribute name="maxval" use="optional"/>
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<xs:attribute name="fixed_value" use="optional"/>
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<!--<xs:anyAttribute/>-->