DTD2Schema (original) (raw)

A Conversion Tool from DTD to XML Schema

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Usage
Samples
How does it work?
Copyright
History

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<dtd2xsd.pl>

Note: the documentation below doesn't reflec the changes by MH; see her announcement of 11 Jan 2001 to xml-dev.

Usage:

perl dtd2xsd.pl [-alias] [-prefix p] [-ns n] [file] -alias enables special aliases (default off) -prefix t specify namespace prefix -ns http://www.w3.org/namespace/ specify namespace URI -simpletype pattern base treat parameter entities whose name match this pattern as simple datatypes derived from this base type -attrgroup pattern treat parameter entities whose name match this pattern as attribute groups -modelgroup pattern treat parameter entities whose name match this pattern as model groups

If no file is specified, STDIN will be used.

Samples:

How does it work?

1. Encoding elements

DTD	XML Schema

2. Encoding attributes

DTD	XML Schema


<!ATTLIST ROOT a (x\|y	z) #REQUIRED;>

3. Simple Types, Attribute Groups, and Model Groups

Use dtd2xsd.pl -simpleType ContentType stringto turn

<!-- media type, as per [RFC2045] -->

into

@@along with references to %ContentType;

Use dtd2xsd.pl -simpleType Number nonNegativeIntegerto turn

into

@@more on model groups, attribute groups. Meanwhile, see the makefile for examples.

Copyright

The program is Copyright � W3C� and provided under the W3C Software License

History:

April 20 2000

Use use attribute instead of minOccursattribute in element.
April 12 2000
- Understand #FIXED attribute.
- Treat external entities. Limitation: External files must be in the current directory.
- Treat conditional sections.
  April 11 2000
- The output is compliant with XML schema last call draft (change
- to ).
- Added P3P special feature.
  April 10 2000
- Understand such patterns as ELEM1?, ELEM2*,ELEM3+, #REQUIRED, and #IMPLIED, and correctly procude minOccurs and maxOccursattributes.
- Understand (ELEM1|ELEM2|ELEM3) pattern, and produce element.
- Understand (attr1|attr2|attr3) pattern, and produce element.
- Correctly understand nested bracket, and produce element.
  April 03 2000
  Dan connoly modified it, so that it can produce XML schema.
  March 17 1998
  Bert Bos originally created a conversion tool from DTD to BNF.

Yuichi Koike ($Date: 2017/11/22 16:53:40 $)