DAP4: DDX Grammar - Revision history

Jimg: /* Differences with DAP4 xsd Grammar */

2012-09-04T16:40:20Z

Differences with DAP4 xsd Grammar

← Older revision		Revision as of 16:40, 4 September 2012
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	== Differences with DAP4 xsd Grammar ==		== Differences with DAP4 xsd Grammar ==
	I converted the xsd-based grammar		I converted the xsd-based grammar
	https://scm.opendap.org/trac/browser/trunk/xml/dap/dap4.xsd		https://scm.opendap.org/trac/browser/trunk/xml/dap/dap4.xsd
	to an equivalent relax-ng grammar.		to an equivalent relax-ng grammar.
	http://dl.dropbox.com/u/53929684/xsd.rng (now also at https://scm.opendap.org/svn/trunk/xml/dap/dap4.rng ~~and an automatically generated schema is at https://scm.opendap.org/svn/trunk/xml/dap/dap4.xsd~~)		http://dl.dropbox.com/u/53929684/xsd.rng (now also at https://scm.opendap.org/svn/trunk/xml/dap/dap4.rng)

Jimg: /* Differences with DAP4 xsd Grammar */

2012-09-04T16:39:24Z

Differences with DAP4 xsd Grammar

← Older revision		Revision as of 16:39, 4 September 2012
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	https://scm.opendap.org/trac/browser/trunk/xml/dap/dap4.xsd		https://scm.opendap.org/trac/browser/trunk/xml/dap/dap4.xsd
	to an equivalent relax-ng grammar.		to an equivalent relax-ng grammar.
	http://dl.dropbox.com/u/53929684/xsd.rng (now also at https://scm.opendap.org/svn/trunk/xml/dap/dap4.rng)		http://dl.dropbox.com/u/53929684/xsd.rng (now also at https://scm.opendap.org/svn/trunk/xml/dap/dap4.rng and an automatically generated schema is at https://scm.opendap.org/svn/trunk/xml/dap/dap4.xsd)

Jimg at 16:38, 4 September 2012

2012-09-04T16:38:22Z

← Older revision		Revision as of 16:38, 4 September 2012
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	https://scm.opendap.org/trac/browser/trunk/xml/dap/dap4.xsd		https://scm.opendap.org/trac/browser/trunk/xml/dap/dap4.xsd
	to an equivalent relax-ng grammar.		to an equivalent relax-ng grammar.
	http://dl.dropbox.com/u/53929684/xsd.rng		http://dl.dropbox.com/u/53929684/xsd.rng (now also at https://scm.opendap.org/svn/trunk/xml/dap/dap4.rng)

Jimg: /* Differences with DAP4 xsd Grammar */

2012-09-04T16:37:34Z

Differences with DAP4 xsd Grammar

← Older revision		Revision as of 16:37, 4 September 2012
Line 9:		Line 9:
	== Differences with DAP4 xsd Grammar ==		== Differences with DAP4 xsd Grammar ==
	I converted the xsd-based grammar		I converted the xsd-based grammar
	~~http~~://scm.opendap.org/trac/browser/trunk/xml/dap/dap4.xsd		https://scm.opendap.org/trac/browser/trunk/xml/dap/dap4.xsd
	to an equivalent relax-ng grammar.		to an equivalent relax-ng grammar.
	http://dl.dropbox.com/u/53929684/xsd.rng		http://dl.dropbox.com/u/53929684/xsd.rng

Jimg at 16:36, 4 September 2012

2012-09-04T16:36:51Z

← Older revision		Revision as of 16:36, 4 September 2012
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	At the end of this document are instructions for accessing and testing a formal grammar for the DAP4 DDX using the Relax-NG schema language. I constructed it without any reference to any other explicit or implicit grammars so I could record my ideas. I have since modified it based examining the implied grammar in page [[DAP4: Data Model]] and from comments from others and from a comparison with the xsd grammar.		At the end of this document are instructions for accessing and testing a formal grammar for the DAP4 DDX using the Relax-NG schema language. I constructed it without any reference to any other explicit or implicit grammars so I could record my ideas. I have since modified it based examining the implied grammar in page [[DAP4: Data Model]] and from comments from others and from a comparison with the xsd grammar.

	'''NOTE''': [[User:Jimg\|Jimg]] 14:19, 28 August 2012 (PDT) There is a copy of the dap4.rng file in subversion at ~~http~~://scm.opendap.org/svn/trunk/xml/dap/. I think that version is more recent than the dropbox files referenced by this document.		'''NOTE''': [[User:Jimg\|Jimg]] 14:19, 28 August 2012 (PDT) There is a copy of the dap4.rng file in subversion at https://scm.opendap.org/svn/trunk/xml/dap/. I think that version is more recent than the dropbox files referenced by this document.

	== Differences with DAP4 xsd Grammar ==		== Differences with DAP4 xsd Grammar ==

Jimg at 21:26, 28 August 2012

2012-08-28T21:26:28Z

← Older revision		Revision as of 21:26, 28 August 2012
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			[[OPULS_Development\| <<back to OPULS Development]]

	'''Version: 1.0'''		'''Version: 1.0'''

Jimg: /* Testing the Relax-NG Grammar */

2012-08-28T21:20:58Z

Testing the Relax-NG Grammar

← Older revision		Revision as of 21:20, 28 August 2012
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	=== Testing the Relax-NG Grammar ===		=== Testing the Relax-NG Grammar ===
			'''NOTE''': See subversion as described at the top of this page for more recent versions of the grammar.

	You will need to copy three files:		You will need to copy three files:
	# dap4.rng - this is the grammar file; it uses the Relax-NG schema language (http://relaxng.org/).<br/>This can be obtained from http://dl.dropbox.com/u/53929684/dap4.rng		# dap4.rng - this is the grammar file; it uses the Relax-NG schema language (http://relaxng.org/).<br/>This can be obtained from http://dl.dropbox.com/u/53929684/dap4.rng

Jimg at 21:19, 28 August 2012

2012-08-28T21:19:54Z

← Older revision		Revision as of 21:19, 28 August 2012
Line 2:		Line 2:

	At the end of this document are instructions for accessing and testing a formal grammar for the DAP4 DDX using the Relax-NG schema language. I constructed it without any reference to any other explicit or implicit grammars so I could record my ideas. I have since modified it based examining the implied grammar in page [[DAP4: Data Model]] and from comments from others and from a comparison with the xsd grammar.		At the end of this document are instructions for accessing and testing a formal grammar for the DAP4 DDX using the Relax-NG schema language. I constructed it without any reference to any other explicit or implicit grammars so I could record my ideas. I have since modified it based examining the implied grammar in page [[DAP4: Data Model]] and from comments from others and from a comparison with the xsd grammar.

			'''NOTE''': [[User:Jimg\|Jimg]] 14:19, 28 August 2012 (PDT) There is a copy of the dap4.rng file in subversion at http://scm.opendap.org/svn/trunk/xml/dap/. I think that version is more recent than the dropbox files referenced by this document.

	== Differences with DAP4 xsd Grammar ==		== Differences with DAP4 xsd Grammar ==

DennisHeimbigner at 21:26, 8 May 2012

2012-05-08T21:26:04Z

← Older revision		Revision as of 21:26, 8 May 2012
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	One major difference I see is in dimension handling.		One major difference I see is in dimension handling.
	# I just used the name "dimension" rather than "shareddimension"; For me, all dimensions (except anonymous ones) are shared.		# I just used the name "dimension" rather than "shareddimension"; For me, all dimensions (except anonymous ones and variable length) are shared.
	# The xsd separates out scalars from arrays. I always allowed the dimensions for a variable to be optional to handle the scalar case.		# The xsd separates out scalars from arrays. I always allowed the dimensions for a variable to be optional to handle the scalar case.
	# I attempted to be as consistent as possible, so I allowed any type including sequences and structures to be dimensioned.		# I attempted to be as consistent as possible, so I allowed any type including sequences <del>and structures</del> to be dimensioned.
	# The dimensions of a variable are currently specified in the rng grammar as an attribute named "dimensions" associated with "variables": e.g. dimensions="dr d1".<br/> Previously I used this:<br/>		# <del>The dimensions of a variable are currently specified in the rng grammar as an attribute named "dimensions" associated with "variables": e.g. dimensions="dr d1".<br/> Previously I used this:<br/>
	<pre>		<pre>
	<dimensions>		<dimensions>
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	<dimension name="d1"/>		<dimension name="d1"/>
	</dimensions>		</dimensions>
	</pre> But this seemed kind of verbose.		</pre> But this seemed kind of verbose.</del>

	Other differences:		Other differences:

DennisHeimbigner at 20:11, 29 February 2012

2012-02-29T20:11:24Z

← Older revision		Revision as of 20:11, 29 February 2012
Line 1:		Line 1:
	'''Version: 1.0'''		'''Version: 1.0'''

	At the end of this document are instructions for accessing and testing a formal grammar for the DAP4 DDX using the Relax-NG schema language. I constructed it without any reference to any other explicit or implicit grammars so I could record my ~~proposal~~. I have since modified it based examining the implied grammar in page [[DAP4: Data Model]] and from comments from others and from a comparison with the xsd grammar.		At the end of this document are instructions for accessing and testing a formal grammar for the DAP4 DDX using the Relax-NG schema language. I constructed it without any reference to any other explicit or implicit grammars so I could record my ideas. I have since modified it based examining the implied grammar in page [[DAP4: Data Model]] and from comments from others and from a comparison with the xsd grammar.

	== Differences with DAP4 xsd Grammar ==		== Differences with DAP4 xsd Grammar ==