SGML::DTDParse(3) Parse an SGML or XML DTD

SYNOPSIS


use SGML::DTDParse;
print "This is DTDParse v$SGML::DTDParse::VERSION\n";

DESCRIPTION

The DTDParse collection is a set of Perl modules and scripts for manipulating SGML an XML Document Type Definitions (DTDs). DTDParse is designed primarily to aid in the understanding and documentation of DTDs.

Typical usage of this package is as follows:

1.
Parse the DTD with dtdparse. This produces an XML representation of the DTD. This representation exposes both the logical structure of the DTD (the actual meta-structure of its grove) and the organizational structure of the DTD (the declarations and parameter entities) that comprise its textual form.
2.
Manipulate the XML document produced by dtdparse to do whatever you want. DTDParse is shipped with several programs that demonstrate various capabilities, including dtdformat which can produce HTML or DocBook http://www.oasis-open.org/docbook/ <http://www.oasis-open.org/docbook/> RefEntry pages for each element and parameter entity in the DTD.

DTDParse XML DTD

The following is the XML DTD for XML documents created with dtdparse (the DTD is also provided in the file "etc/dtd.dtd" of the DTDParse distribution): 

  <!-- This is the DTD for the documents produced by DTDParse.
       The public identifier for this DTD is:
        "-//Norman Walsh//DTD DTDParse V2.0//EN"
    -->
  <!ELEMENT dtd (notation|entity|element|attlist)+>
  <!ATTLIST dtd
          version               CDATA   #REQUIRED
          unexpanded    CDATA   #IMPLIED
          title         CDATA   #IMPLIED
          namecase-general      CDATA   #IMPLIED
          namecase-entity       CDATA   #IMPLIED
          xml           CDATA   #IMPLIED
          system-id     CDATA   #IMPLIED
          public-id     CDATA   #IMPLIED
          declaration   CDATA   #IMPLIED
          created-by    CDATA   #IMPLIED
          created-on    CDATA   #IMPLIED
  >
  <!ELEMENT notation EMPTY>
  <!ATTLIST notation
          name          CDATA   #REQUIRED
          public                CDATA   #IMPLIED
          system                CDATA   #IMPLIED
  >
  <!ELEMENT entity (text-expanded?, text?)>
  <!ATTLIST entity
          name          CDATA   #REQUIRED
          type          CDATA   #REQUIRED
          notation      CDATA   #IMPLIED
          public                CDATA   #IMPLIED
          system                CDATA   #IMPLIED
  >
  <!ELEMENT text        (#PCDATA)*>
  <!ELEMENT text-expanded       (#PCDATA)*>
  <!ELEMENT element (content-model-expanded, content-model?,
                     inclusions?, exclusions?)>
  <!ATTLIST element
          name          CDATA   #REQUIRED
          stagm         CDATA   #IMPLIED
          etagm         CDATA   #IMPLIED
          content-type  (element|mixed|cdata|empty|rcdata)      #IMPLIED
  >
  <!ENTITY % cm.mix "sequence-group|or-group|and-group
                     |element-name|parament-name
                     |pcdata|cdata|rcdata|empty">
  <!ELEMENT content-model-expanded (%cm.mix;)>
  <!ELEMENT content-model (%cm.mix;)>
  <!ELEMENT inclusions (%cm.mix;)>
  <!ELEMENT exclusions (%cm.mix;)>
  <!ELEMENT sequence-group (%cm.mix;)*>
  <!ATTLIST sequence-group
          occurrence    CDATA   #IMPLIED
  >
  <!ELEMENT or-group (%cm.mix;)*>
  <!ATTLIST or-group
          occurrence    CDATA   #IMPLIED
  >
  <!ELEMENT and-group (%cm.mix;)*>
  <!ATTLIST and-group
          occurrence    CDATA   #IMPLIED
  >
  <!ELEMENT element-name EMPTY>
  <!ATTLIST element-name
          name          CDATA   #REQUIRED
          occurrence    CDATA   #IMPLIED
  >
  <!ELEMENT parament-name EMPTY>
  <!ATTLIST parament-name
          name          CDATA   #REQUIRED
  >
  <!ELEMENT empty EMPTY>
  <!ELEMENT pcdata EMPTY>
  <!ELEMENT cdata EMPTY>
  <!ELEMENT rcdata EMPTY>
  <!ELEMENT attlist (attdecl, attribute+)>
  <!ATTLIST attlist
          name  CDATA   #REQUIRED
  >
  <!ELEMENT attdecl (#PCDATA)>
  <!ELEMENT attribute EMPTY>
  <!ATTLIST attribute
          name          CDATA   #REQUIRED
          type          CDATA   #REQUIRED
          enumeration   (yes|no|notation)       #IMPLIED
          value         CDATA   #REQUIRED
          default               CDATA   #REQUIRED
  >

PREREQUISITES

The prerequisites listed are for all modules and scripts:

Getopt::Long, Text::DelimMatch, XML::Parser, XML::DOM

For prerequisites that apply for a specific script or module, see the individual scripts' and modules' reference pages.

AVAILABILITY

<http://dtdparse.sourceforge.net/>

AUTHORS

DTDParse package originally developed by Norman Walsh, <[email protected]>.

Earl Hood, <[email protected]>, picked up support and maintenance.

COPYRIGHT AND LICENSE

  Copyright (C) 1999-2001, 2003 Norman Walsh
  Copyright (C) 2005, Earl Hood

DTDParse may be copied only under the terms of either the Artistic License or the GNU General Public License, which may be found in the DTDParse distribution.

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