From boris at codesynthesis.com  Wed Apr  1 06:48:08 2015
From: boris at codesynthesis.com (Boris Kolpackov)
Date: Wed Apr  1 06:59:50 2015
Subject: [xsd-users] Can not compile hello example on Mac
In-Reply-To: <CALD8DcCM7iLhBX5hLAxMGnuD6gGU-JNDOVc3jGhz41XWN788WA@mail.gmail.com>
References: <CALD8DcCM7iLhBX5hLAxMGnuD6gGU-JNDOVc3jGhz41XWN788WA@mail.gmail.com>
Message-ID: <boris.20150401124201@codesynthesis.com>

Hi Xiao,

Xiao Han <xiaohan@andrew.cmu.edu> writes:

> g++ -W -O3  -o driver driver.o hello.o -lxerces-c
> 
> Undefined symbols for architecture x86_64:
> 
>   "_CFRelease", referenced from:
> 
>       xercesc_3_1::MacOSUnicodeConverter::upperCase(unsigned short*) in
> libxerces-c.a(MacOSUnicodeConverter.o)

You are linking to the static build of Xerces-C++ (libxerces-c.a) and
on Mac OS Xerces-C++ depends on CoreServices. Try this:

make LIBS="-framework CoreServices"

Boris

From john.michaloski at nist.gov  Fri Apr 10 16:45:00 2015
From: john.michaloski at nist.gov (Michaloski, John L.)
Date: Mon Apr 13 10:03:53 2015
Subject: [xsd-users] C++ tree introspection and self serialization?
Message-ID: <CY1PR09MB080990BFBC495517631F6D1E9BFA0@CY1PR09MB0809.namprd09.prod.outlook.com>

I am trying to write xml to database. (I already used CodeSynthesis to parse/serialize XML data).

I am using Xerces to parse the XSD to create the SQL statements to generate the data base (somewhat automated somewhat hand crafted). Couldn't tell if CodeSynthesis handled this.

I would like to populate the CodeSynthesis C++ tree and then save it to a Database as well as an XML file. (I am using Postgres since its array structure seems to handle <elements><element>...</element><element> ... </element> .. pattern easiest.) Bunch of CodeSynthesis questions. Does CodeSynthesis:

1)      Support xsd.exe flags to generate SQL statements (although a standard I realize they vary from vendor to vendor).

2)      Non-XML serialization (to Database).  Would mean starting at root and knowing where the child nodes are (in CodeSynthesis, not Xerces).

3)      Introspection - so if I can navigate I know what node I'm at. I'm assuming I can use Xerces get node to retrieve element name.

CodeSynthesis seems to offer a lot, often I just have trouble figuring out how to do some things.

John

From rvlebars at gmail.com  Sat Apr 11 08:32:29 2015
From: rvlebars at gmail.com (=?UTF-8?Q?Herv=C3=A9_LE_BARS?=)
Date: Mon Apr 13 10:03:54 2015
Subject: [xsd-users] [C2146] syntax error on typedef timeWef_type
Message-ID: <CAPwCiKafHkUq5EFjA1jd4wCq71aKr7iB6X3Ygdyp5JpqSTeB2w@mail.gmail.com>

Hello
I have an error when compiling the CS output files bases on these XSD files
In AIXM-Features, there is a line :
typedef ::time timeWef_type;
My first (and quick) analisys could be that there is a conflict between
"time" datatype defined in XSD datatypes and the internal time function
declared in MSVC 2013 headers
Could you confirm or not ? If so, is there a way to use a specific
namespace to solve the problem ?
Thank you in advance
RV
For more information, I'm using QtCreator/Qt5.4/MSVC2013
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From rvlebars at gmail.com  Sat Apr 11 16:53:29 2015
From: rvlebars at gmail.com (=?UTF-8?Q?Herv=C3=A9_LE_BARS?=)
Date: Mon Apr 13 10:03:54 2015
Subject: [xsd-users] Compilation of XMLSchema schema
Message-ID: <CAPwCiKbwJ9WGKaQMQH=7nXsRkNWKDcK0ZAaD=hZ9M0P0ioFqRg@mail.gmail.com>

Hi
I'm trying to compile the XmlSchema schema definition in order to parse xsd
file for custom use
I looked for one of the first version of 2001 (files found are joined +
error outputs)
I don't manage to compile it, so my question is :
Is possible to compile XMLShema in any version ? maybe 2009 ? or is it a
know issue
Thank you in advance
RV
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From boris at codesynthesis.com  Mon Apr 13 10:01:07 2015
From: boris at codesynthesis.com (Boris Kolpackov)
Date: Mon Apr 13 10:12:40 2015
Subject: [xsd-users] C++ tree introspection and self serialization?
In-Reply-To: <CY1PR09MB080990BFBC495517631F6D1E9BFA0@CY1PR09MB0809.namprd09.prod.outlook.com>
References: <CY1PR09MB080990BFBC495517631F6D1E9BFA0@CY1PR09MB0809.namprd09.prod.outlook.com>
Message-ID: <boris.20150413155615@codesynthesis.com>

Hi John,

Michaloski, John L. <john.michaloski@nist.gov> writes:

> I am using Postgres since its array structure seems to handle
> <elements><element>...</element><element> ... </element> .. pattern
> easiest.)

Note that this will only work for simple values in <elements><element>.


> 1)      Support xsd.exe flags to generate SQL statements (although
>         a standard I realize they vary from vendor to vendor).

No.


> 2)      Non-XML serialization (to Database). Would mean starting at
>         root and knowing where the child nodes are (in CodeSynthesis,
>         not Xerces).

No.


> 3)      Introspection - so if I can navigate I know what node I'm
>         at. I'm assuming I can use Xerces get node to retrieve
>         element name.

Check the DOM association feature. It allows you to go back and
forth between C++/Tree and DOM model nodes.


> CodeSynthesis seems to offer a lot, often I just have trouble
> figuring out how to do some things.

You may want to check ODB out:

http://www.codesynthesis.com/products/odb/

With a bit of effort one should be able to map a "sane" XML
Schema model to a relational database with ODB.

Boris

From boris at codesynthesis.com  Mon Apr 13 10:02:50 2015
From: boris at codesynthesis.com (Boris Kolpackov)
Date: Mon Apr 13 10:14:23 2015
Subject: [xsd-users] [C2146] syntax error on typedef timeWef_type
In-Reply-To: <CAPwCiKafHkUq5EFjA1jd4wCq71aKr7iB6X3Ygdyp5JpqSTeB2w@mail.gmail.com>
References: <CAPwCiKafHkUq5EFjA1jd4wCq71aKr7iB6X3Ygdyp5JpqSTeB2w@mail.gmail.com>
Message-ID: <boris.20150413160142@codesynthesis.com>

Hi Herv?,

Herv? LE BARS <rvlebars@gmail.com> writes:

> typedef ::time timeWef_type;
> My first (and quick) analisys could be that there is a conflict between
> "time" datatype defined in XSD datatypes and the internal time function
> declared in MSVC 2013 headers Could you confirm or not?

Yes, most likely. Add '--reserved-name time' to you XSD command line.

Boris

From boris at codesynthesis.com  Mon Apr 13 10:05:32 2015
From: boris at codesynthesis.com (Boris Kolpackov)
Date: Mon Apr 13 10:17:05 2015
Subject: [xsd-users] Compilation of XMLSchema schema
In-Reply-To: <CAPwCiKbwJ9WGKaQMQH=7nXsRkNWKDcK0ZAaD=hZ9M0P0ioFqRg@mail.gmail.com>
References: <CAPwCiKbwJ9WGKaQMQH=7nXsRkNWKDcK0ZAaD=hZ9M0P0ioFqRg@mail.gmail.com>
Message-ID: <boris.20150413160443@codesynthesis.com>

Hi Herv?,

Herv? LE BARS <rvlebars@gmail.com> writes:

> I'm trying to compile the XmlSchema schema definition in order to parse xsd
> file for custom use [...]

XMLSchema.xsd is not really a valid XML Schema definition. The W3C
standard says it is not normative and is just for illustration.

Boris

From doliva at magaya.com  Mon Apr 13 11:38:58 2015
From: doliva at magaya.com (Daniel Oliva)
Date: Tue Apr 14 09:58:46 2015
Subject: [xsd-users] exit code 1
Message-ID: <C1977094082BE248AE92D773CDD40DD20267493450B2@MC-MIA-EX-01V.magaya.com>

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From boris at codesynthesis.com  Tue Apr 14 10:04:17 2015
From: boris at codesynthesis.com (Boris Kolpackov)
Date: Tue Apr 14 10:16:20 2015
Subject: [xsd-users] exit code 1
In-Reply-To: <C1977094082BE248AE92D773CDD40DD20267493450B2@MC-MIA-EX-01V.magaya.com>
References: <C1977094082BE248AE92D773CDD40DD20267493450B2@MC-MIA-EX-01V.magaya.com>
Message-ID: <boris.20150414160104@codesynthesis.com>

Hi Daniel,

Daniel Oliva <doliva@magaya.com> writes:

>    The error I'm getting when I try to generate classes from Visual
>    Studio 2013  is:
> 
>    error MSB3721: The command "xsd.exe [...] exited with code 1.

Before exiting with non-zero return code XSD normally outputs
diagnostics (error messages). I am not sure why you don't see
them (or maybe you just didn't include them in the email).

What I suggest you do is try to compile this schema with this
exact command line from the command prompt and see if you get
any diagnostics that will point you to the cause of this.

Boris

From yury.zaytsev at traveltainment.de  Fri Apr 17 07:21:49 2015
From: yury.zaytsev at traveltainment.de (Yury Zaytsev)
Date: Fri Apr 17 11:04:55 2015
Subject: [xsd-users] Extract common type definitions to a separate header
Message-ID: <alpine.DEB.2.10.1504171308450.6841@work>

Hello,

I'm using XSD on a biggish schema of the order of magnitude of thousands 
of types. Since the schema is rather large and the definition spans many 
files with circular dependencies, I've opted for the excellent 
"--file-per-type" mode.

However, I've noticed that every header file for the generated entities at 
the very beginning has a section that defines common types by including 
XSD runtime headers and populating the xml_schema namespace:

     #include <xsd/cxx/version.hxx>

     ...

     namespace xml_schema
     {
        ...
     }

As far as I can see (I could have easily missed something though), this 
code is completely stereotypical and same for all headers.

If this is indeed the case, then putting these 5 Kbs into a separate 
header will shave off some 5 Mbs for a thousand types and will make the 
generated code much smaller and the compilation much faster.

In addition, I could include this header instead of <root_type-fwd.hxx> to 
get just xml_schema::exception, etc.

Could this feature be possibly considered for implementation?

All the best,

-- 
Dr. Yury V. Zaytsev
Senior Software Developer
IT Data Production

TravelTainment GmbH
Carlo-Schmid-Stra?e 12
52146 W?rselen/Aachen, Germany
yury.zaytsev@traveltainment.de

http://www.traveltainment.de

Amtsgericht Aachen, HRB 15873
Gesch?ftsf?hrer: Bernhard Steffens (Vorsitzender),
Dr. Oliver Rengelshausen

From chew.on.it at gmail.com  Fri Apr 17 07:56:52 2015
From: chew.on.it at gmail.com (Chew kk)
Date: Fri Apr 17 11:04:55 2015
Subject: [xsd-users] Polymorphism : Xml Validation Error
Message-ID: <CAB=yNJOWOM3GJhBeZ253OgZ6nEisWxa4Urn4HZhbugwNWOHLwA@mail.gmail.com>

Hi,

I'm getting the following error when I tried out an example on
polymorphism. Appreciate if you could help out.

Error :
myFileName.xml:4:12 error: no declaration found for element 'address'
myFileName.xml:5:9 error: no declaration found for element 'city'
myFileName.xml:6:12 error: no declaration found for element 'country'
myFileName.xml:7:12 error: element 'address' is not allowed for content
model '(name)'

supermen.xsd file :
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema">
  <xsd:complexType name="person">
    <xsd:sequence>
      <xsd:element name="name" type="xsd:string"/>
    </xsd:sequence>
  </xsd:complexType>
  <xsd:complexType name="superman">
    <xsd:complexContent>
      <xsd:extension base="person">
        <xsd:sequence>
          <xsd:element name="address" type="xsd:string"/>
          <xsd:element name="city" type="xsd:string"/>
          <xsd:element name="country" type="xsd:string"/>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:element name="supermen" type="person"/>
</xsd:schema>

myFileName.xml file :
<?xml version="1.0" encoding="utf-8"?>
<supermen xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="
http://www.w3.org/2001/XMLSchema" xsi:type="superman"
xsi:noNamespaceSchemaLocation="supermen.xsd">
  <name>abc</name>
  <address>789</address>
  <city>123</city>
  <country>456</country>
</supermen>

Driver :
int
main (int argc, char* argv[])
{
  if (argc != 2)
  {
    cerr << "usage: " << argv[0] << " supermen.xml" << endl;
    return 1;
  }

  try
  {
    auto_ptr<person> sm (supermen(argv[1]));
  }
  catch (const xml_schema::exception& e)
  {
    cerr << e << endl;
    return 1;
  }
}

Thank You,
chew
From boris at codesynthesis.com  Fri Apr 17 10:58:18 2015
From: boris at codesynthesis.com (Boris Kolpackov)
Date: Fri Apr 17 11:10:26 2015
Subject: [xsd-users] Extract common type definitions to a separate header
In-Reply-To: <alpine.DEB.2.10.1504171308450.6841@work>
References: <alpine.DEB.2.10.1504171308450.6841@work>
Message-ID: <boris.20150417165400@codesynthesis.com>

Hi Yury,

Yury Zaytsev <yury.zaytsev@traveltainment.de> writes:

> Could this feature be possibly considered for implementation?

Yes, and since now I have the power to travel back in time, I
went ahead and implemented it, see the --generate-xml-schema
and --extern-xml-schema. In fact, I've also added a warning when
--file-per-type is used without --extern-xml-schema. Since I
went back in time, you should have seen by now. Hm, must be
something wrong with my time machine...

Boris

From boris at codesynthesis.com  Fri Apr 17 11:16:06 2015
From: boris at codesynthesis.com (Boris Kolpackov)
Date: Fri Apr 17 11:28:15 2015
Subject: [xsd-users] Polymorphism : Xml Validation Error
In-Reply-To: <CAB=yNJOWOM3GJhBeZ253OgZ6nEisWxa4Urn4HZhbugwNWOHLwA@mail.gmail.com>
References: <CAB=yNJOWOM3GJhBeZ253OgZ6nEisWxa4Urn4HZhbugwNWOHLwA@mail.gmail.com>
Message-ID: <boris.20150417171429@codesynthesis.com>

Hi Chew,

Chew kk <chew.on.it@gmail.com> writes:

> myFileName.xml:4:12 error: no declaration found for element 'address'
> myFileName.xml:5:9 error: no declaration found for element 'city'
> myFileName.xml:6:12 error: no declaration found for element 'country'
> myFileName.xml:7:12 error: element 'address' is not allowed for content
> model '(name)'

These are Xerces-C++ validation against schema errors. Make sure you
use the latest version. Also, try to put xsi:type after
xsi:noNamespaceSchemaLocation.

Boris

From mlang at delysid.org  Sun Apr 19 12:06:42 2015
From: mlang at delysid.org (Mario Lang)
Date: Sun Apr 19 12:06:47 2015
Subject: [xsd-users] embedding and fgXercesLoadExternalDTD?
Message-ID: <87k2x85ch9.fsf@fx.delysid.org>

Hi.

I realize this is more a Xerces-C++ question, but since I stumbled across
this issue while using the embedding example, I hope someone here might
have an answer or at least a hint.

I am using xsdcxx to generate MusicXML bindings[1].  I recently made use of
the cxx/tree/embedding example to avoid having to distribute the XSD
schema in a separate file.  This is a very nice appproach which will
make deployment simpler.  However, MusicXML documents are somewhat
strange as they usually *always* include a DocType definition in the
XML.

So currently, if I enable fgDOMValidate (which I actually *want*),
Xerces-C always fetches the DTD from the net, because the canonical
MusicXML DocType looks like this:

<!DOCTYPE score-partwise PUBLIC "-//Recordare//DTD MusicXML 3.0 Partwise//EN"
          "http://www.musicxml.org/dtds/partwise.dtd">

I now discovered fgXercesLoadExternalDTD which looks like what I want.
However, setting it to false does still load the DTD if I have
fgDOMValidate set to true.
Setting fgDOMValidate to false will skip loading the DTD, but will
apparently also not err if there are unknown element names in the input
document.  I am sort of surprised about this, because fgXercesSchema is
set to true and the grammar pool is also setup, so I was sort of
expecting schema validation to kick in instead.

I am sort of confused and stuck here.  I am looking for a way to have
the Schema grammar validate the input document, and still *skip* loading
of the DTD from the net, either by just ignoring it, or by somehow
caching it in the GrammarPool.  However, I do not see how and if the
GrammarPool can also embed DTDs.  As an added complications, the
MusicXML DTD is versioned and comes in two variants (partwise and
timewise),
so the public ID could be "-//Recordare//DTD MusicXML 3.0 Partwise//EN",
but it could also be "-//Recordare//DTD MusicXML 2.0 Partwise//EN" for instance.

1. Can the embedding example be extended to embed several DTD variants?
2. If so, how does the public ID resolving work?  AFAICS, the actual DTD
file(s) do not include the public identifier, so I wonder how the grammar pool
is supposed to know the public ID of a particular DTD it caches.
3. Is there a way to have fgDOMValidate enabled while setting
fgXercesLoadExternalDTD to false and do what I mean?
4. Or do I have to create several grammar pools for each DTD variant,
and use the DOMLSResourceResolver interface somehow to point the parser
at the correct pool?  I guess not, because the grammar pool is specified
when instantiating the lsparser, not during resource resolving.

Any other options I am missing?  I once played with a
DOMLSResourceResolver
that makes use of the libxml2 catalog support, but this doesn't
particularily look portable.  I guess Xerces-C still has no native
catalog support, does it?

[1] http://github.com/mlang/xsdcxx-musicxml

-- 
CYa,
  ?????

From chew.on.it at gmail.com  Sun Apr 19 23:15:29 2015
From: chew.on.it at gmail.com (Chew kk)
Date: Mon Apr 20 09:35:39 2015
Subject: [xsd-users] Polymorphism : Xml Validation Error
In-Reply-To: <boris.20150417171429@codesynthesis.com>
References: <CAB=yNJOWOM3GJhBeZ253OgZ6nEisWxa4Urn4HZhbugwNWOHLwA@mail.gmail.com>
	<boris.20150417171429@codesynthesis.com>
Message-ID: <CAB=yNJNtQj6uS698APhDB0SxnqL1i9j5cqR7i59Dq6JgR66+5A@mail.gmail.com>

Hi Boris,

I tried out your solution and it did fixed the error.

Thank You,
chew

On Fri, Apr 17, 2015 at 11:16 PM, Boris Kolpackov <boris@codesynthesis.com>
wrote:

> Hi Chew,
>
> Chew kk <chew.on.it@gmail.com> writes:
>
> > myFileName.xml:4:12 error: no declaration found for element 'address'
> > myFileName.xml:5:9 error: no declaration found for element 'city'
> > myFileName.xml:6:12 error: no declaration found for element 'country'
> > myFileName.xml:7:12 error: element 'address' is not allowed for content
> > model '(name)'
>
> These are Xerces-C++ validation against schema errors. Make sure you
> use the latest version. Also, try to put xsi:type after
> xsi:noNamespaceSchemaLocation.
>
> Boris
>
From boris at codesynthesis.com  Mon Apr 20 10:00:45 2015
From: boris at codesynthesis.com (Boris Kolpackov)
Date: Mon Apr 20 10:12:58 2015
Subject: [xsd-users] embedding and fgXercesLoadExternalDTD?
In-Reply-To: <87k2x85ch9.fsf@fx.delysid.org>
References: <87k2x85ch9.fsf@fx.delysid.org>
Message-ID: <boris.20150420155526@codesynthesis.com>

Hi Mario,

I am not an expert in Xerces-C++ DTD support and even less so
on DTD/XML Schema interaction.

DTDs, unlike Schema, serve dual purpose: they may supply entities
(content) and grammar (validation). As a result, I would be weary
of ignoring DTDs outright. The way I would handle your situation
is by providing Xerces-C++ EntityResolver and returning a local
DTD (you could probably even do the embedding, it just won't be
parsed grammar).

Boris

From mlang at delysid.org  Mon Apr 20 19:18:08 2015
From: mlang at delysid.org (Mario Lang)
Date: Mon Apr 20 19:18:12 2015
Subject: [xsd-users] embedding and fgXercesLoadExternalDTD?
In-Reply-To: <boris.20150420155526@codesynthesis.com> (Boris Kolpackov's
	message of "Mon, 20 Apr 2015 16:00:45 +0200")
References: <87k2x85ch9.fsf@fx.delysid.org>
	<boris.20150420155526@codesynthesis.com>
Message-ID: <871tjemlsf.fsf@fx.delysid.org>

Boris Kolpackov <boris@codesynthesis.com> writes:

> DTDs, unlike Schema, serve dual purpose: they may supply entities
> (content) and grammar (validation). As a result, I would be weary
> of ignoring DTDs outright. The way I would handle your situation
> is by providing Xerces-C++ EntityResolver and returning a local
> DTD (you could probably even do the embedding, it just won't be
> parsed grammar).

In fact, the MusicXML DTDs do indeed define some entities, so your
suggestion is totally correct.  Thanks for pointing me in the right
direction.  I now use DOMLSResourceResolver and MemBufInputSource + a
small tool similar to xsdbin.cpp without the compression bits.  Works
just fine and is actually exactly what I wanted.  Since the public ID
includes the MusicXML version, I can support all 4 public versions of
MusicXML DTDs with a signel binary without any external resources.

P.S.: Any plans to make xsdbin's functionality part of the xsdcxx
installed tools?  While the source can be copied around into embedding
projects, it seems like the tool is flexible enough to be distributed by
default.  Something like "xsdcxx xsdbin ...".

-- 
CYa,
  ?????

From mdkhatami at gmail.com  Tue Apr 21 05:41:13 2015
From: mdkhatami at gmail.com (Mohammad Khatami)
Date: Tue Apr 21 05:41:21 2015
Subject: [xsd-users] Receiving error using xsd on W3 PROV schema
Message-ID: <CALGJvOeZD1OE=nwHRG4ddZ4V01QYS6SE1DgC6QiAzzUs66FNOg@mail.gmail.com>

Hi all,

I'm new to XML and for my project I need to XSD. I can use XSD tool for
simple XML schema but when I apply to the following w3 PROV schema I get
error.

XML schema:
http://www.w3.org/ns/prov-core.xsd

However I changed these two lines
<xs:import namespace="http://www.w3.org/1999/xhtml/datatypes/"/>
  <xs:import namespace="http://www.w3.org/XML/1998/namespace"
schemaLocation="http://www.w3.org/2001/xml.xsd"/>
with
<xs:import namespace="http://www.w3.org/1999/xhtml/datatypes/"
schemaLocation="xhtml-datatypes-1.xsd"/>
  <xs:import namespace="http://www.w3.org/XML/1998/namespace"
schemaLocation="xml.xsd"/>

and put XML.xsd and xhtml-datatypes-1.xsd in the same directory.

the by using this command I get the following error:

xsd cxx-tree --generate-serialization  prov-core.xsd

prov-core.xsd:478:55: warning F001: element 'internalElement' is implicitly
of anyType
prov-core.xsd:478:55: info: did you forget to specify 'type' attribute?
prov-core.xsd: warning T004: generating parsing and serialization functions
for 35 global elements
prov-core.xsd: info: use --root-element-* options to specify document
root(s)
prov-core.xsd:6:307: error: unable to map XML Schema namespace '
http://www.w3.org/ns/prov#' to C++ namespace
prov-core.xsd:6:307: info: use the --namespace-map or --namespace-regex
option to provide custom mapping

Howeverusing
xsd cxx-tree --generate-xml-schema --generate-serialization  prov-core.xsd
I get no error. Would you please help me how to solve it?

Thanks,
Mohammad
From yury.zaytsev at traveltainment.de  Tue Apr 21 04:15:52 2015
From: yury.zaytsev at traveltainment.de (Yury Zaytsev)
Date: Tue Apr 21 07:51:56 2015
Subject: [xsd-users] Extract common type definitions to a separate header
In-Reply-To: <boris.20150417165400@codesynthesis.com>
References: <alpine.DEB.2.10.1504171308450.6841@work>
	<boris.20150417165400@codesynthesis.com>
Message-ID: <alpine.DEB.2.10.1504210954140.5439@work>

Hi Boris,

On Fri, 17 Apr 2015, Boris Kolpackov wrote:

> Yes, and since now I have the power to travel back in time, I
> went ahead and implemented it, see the --generate-xml-schema
> and --extern-xml-schema. In fact, I've also added a warning when
> --file-per-type is used without --extern-xml-schema. Since I
> went back in time, you should have seen by now. Hm, must be
> something wrong with my time machine...

I'm sorry for the lame question and thanks for the pointer.

Indeed, I've noticed the warning, and tried to implement the support for 
--generate-xml-schema / --extern-xml-schema into my build system. However, 
originally, I failed to make it work, and then concluded that I 
misunderstood the documentation & these options serve some other purpose, 
so I quickly forgot about them.

Upon a second reading (after gaining more experience with XSD), the 
documentation makes much more sense to me. It works now, and indeed I was 
able to cut down a couple of megabytes of generated source code.

I would suggest to add a statement to the documentation of 
--generate-xml-schema along the following lines:

"Note that the XSD compiler should be generally invoked with the same set 
of options in the --generate-xml-schema mode as would be used to compile 
the actual schema later with --extern-xml-schema. Failure to do so might 
cause compilation errors and/or malfunction of the generated code."

While this is obvious in retrospect, at first I've missed some, which 
resulted in confusing compilation issues.

Also, another thing that would have probably helped is to have a simple 
hello example, which only includes the commands to be executed, i.e.

     xsd ...
     xsd ...
     c++ ...

I've tried to trace back the make logic in your blog post introducing the 
--file-per-type mode, and at first it was overwhelming, even though now it 
perfectly makes sense.

All the best,

-- 
Dr. Yury V. Zaytsev
Senior Software Developer
IT Data Production

TravelTainment GmbH
Carlo-Schmid-Stra?e 12
52146 W?rselen/Aachen, Germany
yury.zaytsev@traveltainment.de

http://www.traveltainment.de

Amtsgericht Aachen, HRB 15873
Gesch?ftsf?hrer: Bernhard Steffens (Vorsitzender),
Dr. Oliver Rengelshausen

From yury.zaytsev at traveltainment.de  Tue Apr 21 04:46:13 2015
From: yury.zaytsev at traveltainment.de (Yury Zaytsev)
Date: Tue Apr 21 07:51:56 2015
Subject: [xsd-users] Handling of complex restrictions on types
In-Reply-To: <boris.20150323140359@codesynthesis.com>
References: <alpine.DEB.2.10.1503191701160.7603@work>
	<boris.20150323140359@codesynthesis.com>
Message-ID: <alpine.DEB.2.10.1504211027090.5439@work>

Hi Boris,

Thank you very much for the clarification!

On Mon, 23 Mar 2015, Boris Kolpackov wrote:
>
> While some could argue that this is not the right way to handle it (i.e.,
> this is a "programming error", from the object model's point of view), I
> can also see why some might want this behavior. The good question to ask
> is what are you going to do when such an exception is thrown? In
> particular, there is almost certainly no way to automatically recover
> from it.

Well, my applications basically read and process the input data, open the 
root element and some container element, and then stream serialized 
elements of the same type one by one, finally closing the container 
element and the root element.

So, from my perspective, there is a very clear way of handling such 
exceptions: I would simply conclude that there is an issue with how I'm 
filling the object model in, either due to invalid input that slipped 
through my checks, or due to missing / incorrect business logic.

This means that I would just abort the attempt to emit this particular 
element, log the information that would allow me to identify the problem 
later, and happily continue processing the rest of the dataset.

Of course, the situation could be completely different (and not that 
obvious at all) for other use cases...

> If you do decide to implement this yourself, you may want to check
> the type customization mechanism. This way you will be able to add
> the extra checks transparently wrt to the users of the object model.

For now, I opted to transform the input data in ways that it's going to be 
less likely to cause problems, but, indeed, it's just a stop-gap solution.

Is this what you referred to (also in the enum thread):

     http://wiki.codesynthesis.com/Tree/Customization_guide

So, the idea is basically to have XSD to generate base classes, and 
inherit manually written ones implementing custom restrictions from those?

All the best,

-- 
Dr. Yury V. Zaytsev
Senior Software Developer
IT Data Production

TravelTainment GmbH
Carlo-Schmid-Stra?e 12
52146 W?rselen/Aachen, Germany
yury.zaytsev@traveltainment.de

http://www.traveltainment.de

Amtsgericht Aachen, HRB 15873
Gesch?ftsf?hrer: Bernhard Steffens (Vorsitzender),
Dr. Oliver Rengelshausen

From boris at codesynthesis.com  Wed Apr 22 12:21:21 2015
From: boris at codesynthesis.com (Boris Kolpackov)
Date: Wed Apr 22 12:33:30 2015
Subject: [xsd-users] Receiving error using xsd on W3 PROV schema
In-Reply-To: <CALGJvOeZD1OE=nwHRG4ddZ4V01QYS6SE1DgC6QiAzzUs66FNOg@mail.gmail.com>
References: <CALGJvOeZD1OE=nwHRG4ddZ4V01QYS6SE1DgC6QiAzzUs66FNOg@mail.gmail.com>
Message-ID: <boris.20150422182020@codesynthesis.com>

Hi Mohammad,

Mohammad Khatami <mdkhatami@gmail.com> writes:

> prov-core.xsd:6:307: error: unable to map XML Schema namespace '
> http://www.w3.org/ns/prov#' to C++ namespace
> prov-core.xsd:6:307: info: use the --namespace-map or --namespace-regex
> option to provide custom mapping

See the documentation for the --namespace-map option, as suggested
in the diagnostics:

http://codesynthesis.com/projects/xsd/documentation/xsd.xhtml

Boris

From Joseph.Gagnon at ll.mit.edu  Thu Apr 23 09:52:45 2015
From: Joseph.Gagnon at ll.mit.edu (Gagnon, Joseph - 0553 - MITLL)
Date: Thu Apr 23 09:53:31 2015
Subject: [xsd-users] Examples of serializing to DOM
Message-ID: <A8E2E9CF2E60B44288814B91AA58C8D426E51222@LLE2K10-MBX01.mitll.ad.local>

Hello,

 

I've just started investigating Code Synthesis XSD and what it can do.  In
the C++/Tree Mapping user manual there's a chapter on serialization, but it
does not provide a full example of how to go about serialization to DOM.

 

// Obtain the object model.

//

std::auto_ptr<type> r = ...

using namespace xercesc;

XMLPlatformUtils::Initialize ();

 

{

// Create a DOM instance. Set custom namespace mapping and schema

// location attributes.

//

DOMDocument& doc = ...

 

// Serialize to DOM.

//

name (doc, *r);

 

// Serialize the DOM document to XML.

//

...

}

 

XMLPlatformUtils::Terminate ();

 

For example, what needs to be done to complete the assignment to the DOM
document object?  Also, the last part that indicates that the DOM will be
serialized to XML.  What are the steps needed to do that?

 

Thanks,

Joe Gagnon

 

Engineer II

Group 58 - Cyber Systems & Technology

MIT Lincoln Laboratory

Lexington, MA

 

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From boris at codesynthesis.com  Thu Apr 23 10:30:37 2015
From: boris at codesynthesis.com (Boris Kolpackov)
Date: Thu Apr 23 10:42:46 2015
Subject: [xsd-users] Examples of serializing to DOM
In-Reply-To: <A8E2E9CF2E60B44288814B91AA58C8D426E51222@LLE2K10-MBX01.mitll.ad.local>
References: <A8E2E9CF2E60B44288814B91AA58C8D426E51222@LLE2K10-MBX01.mitll.ad.local>
Message-ID: <boris.20150423162823@codesynthesis.com>

Hi Joseph,

Gagnon, Joseph - 0553 - MITLL <Joseph.Gagnon@ll.mit.edu> writes:

> In the C++/Tree Mapping user manual there's a chapter on serialization,
> but it does not provide a full example of how to go about serialization
> to DOM.

See the FAQ:

http://wiki.codesynthesis.com/Tree/FAQ

As well as the examples that come with XSD. A few of them do what
you want (e.g., 'messaging', 'performance').

Boris

From Joseph.Gagnon at ll.mit.edu  Fri Apr 24 07:55:52 2015
From: Joseph.Gagnon at ll.mit.edu (Gagnon, Joseph - 0553 - MITLL)
Date: Fri Apr 24 07:56:01 2015
Subject: [xsd-users] API documentation
Message-ID: <A8E2E9CF2E60B44288814B91AA58C8D426E54876@LLE2K10-MBX01.mitll.ad.local>

Is there any documentation for the Code Synthesis XSD API?  Does anyone know
if there is any similar documentation for the Xerces C++ API?

 

Thanks,

Joe Gagnon

 

Engineer II

Group 58 - Cyber Systems & Technology

MIT Lincoln Laboratory

Lexington, MA

 

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From mdkhatami at gmail.com  Mon Apr 27 06:07:16 2015
From: mdkhatami at gmail.com (Mohammad Khatami)
Date: Mon Apr 27 06:07:24 2015
Subject: [xsd-users] Receiving error using xsd on W3 PROV schema
In-Reply-To: <boris.20150422182020@codesynthesis.com>
References: <CALGJvOeZD1OE=nwHRG4ddZ4V01QYS6SE1DgC6QiAzzUs66FNOg@mail.gmail.com>
	<boris.20150422182020@codesynthesis.com>
Message-ID: <CALGJvOfh1=CKspDMRd9K5rxP-1gbftB3EhUtzNWg5yekaJbbZQ@mail.gmail.com>

Thanks Boris,

Now it's works fine and have access to function for serialization . The
only problem the prov:id which is used in Entity type is defined as follow
in XML schema:


<xs:complexType name="Entity">
    <xs:sequence>
        <!-- prov attributes -->
        <xs:element ref="prov:label" minOccurs="0" maxOccurs="unbounded"/>
        <xs:element ref="prov:location" minOccurs="0"
maxOccurs="unbounded"/>
        <xs:element ref="prov:type" minOccurs="0" maxOccurs="unbounded"/>
        <xs:element ref="prov:value" minOccurs="0"/>
        <xs:any namespace="##other" processContents="lax" minOccurs="0"
maxOccurs="unbounded"/>
    </xs:sequence>
    <xs:attribute ref="prov:id"/>
    <xs:anyAttribute namespace="##other" processContents="lax"/>
  </xs:complexType>

<xs:attribute name="id" type="xs:QName"/>

and the produced code for <xs:attribute ref="prov:id"/> in Entity name
space is:

// id
    //
    typedef ::xml_schema::qname id_type;
    typedef ::xsd::cxx::tree::optional< id_type > id_optional;
    typedef ::xsd::cxx::tree::traits< id_type, char > id_traits;

    const id_optional&
    id () const;

    id_optional&
    id ();

    void
    id (const id_type& x);

    void
    id (const id_optional& x);

    void
    id (::std::auto_ptr< id_type > p);

but the problem is I can't set the value for this attribute according to
manual page.

void
f (object& o)
{
  using xml_schema::string;

  if (o.member ().present ())       // test
  {
    string& s (o.member ().get ()); // get
    o.member ("hello");             // set, deep copy
    o.member ().set ("hello");      // set, deep copy
    o.member ().reset ();           // reset
  }

  // Same as above but using pointer notation:
  //
  if (o.member ())                  // test
  {
    string& s (*o.member ());       // get
    o.member ("hello");             // set, deep copy
    *o.member () = "hello";         // set, deep copy
    o.member ().reset ();           // reset
  }

would you please help me how to set id attribute (generally optional value)
?

Best Regards,
Mohammad

On 22 April 2015 at 18:21, Boris Kolpackov <boris@codesynthesis.com> wrote:

> Hi Mohammad,
>
> Mohammad Khatami <mdkhatami@gmail.com> writes:
>
> > prov-core.xsd:6:307: error: unable to map XML Schema namespace '
> > http://www.w3.org/ns/prov#' to C++ namespace
> > prov-core.xsd:6:307: info: use the --namespace-map or --namespace-regex
> > option to provide custom mapping
>
> See the documentation for the --namespace-map option, as suggested
> in the diagnostics:
>
> http://codesynthesis.com/projects/xsd/documentation/xsd.xhtml
>
> Boris
>
From yury.zaytsev at traveltainment.de  Mon Apr 27 07:42:58 2015
From: yury.zaytsev at traveltainment.de (Yury Zaytsev)
Date: Mon Apr 27 12:31:59 2015
Subject: [xsd-users] Get tag name of a generated type
Message-ID: <alpine.DEB.2.10.1504271302340.10677@work>

Hi,

I'm wondering what's the easiest / recommended way of finding out the tag 
name corresponding to the C++/Tree type?

I can see that the tag name is hard-coded in the generated code for 
parsing and serialization, but it doesn't seem to be available for 
external use through any kind of public interface.

I imagine that the generator could encode it as a static constexpr char* 
class member with a public getter and use its symbolic name for parsing 
and serialization. Could this possibly the added to XSD, or this is a bad 
idea for reasons that I have overlooked?

In any case, what would be the easiest way to get it as it stands?

All I can think of right now is to create a dummy containing element, 
serialize a dummy child element to DOM and do something like that on it:

     const ::xsd::cxx::xml::qualified_name< char > n (
       ::xsd::cxx::xml::dom::name< char > (e));

but this doesn't really look like a an elegant solution...

All the best,

-- 
Dr. Yury V. Zaytsev
Senior Software Developer
IT Data Production

TravelTainment GmbH
Carlo-Schmid-Stra?e 12
52146 W?rselen/Aachen, Germany
yury.zaytsev@traveltainment.de

http://www.traveltainment.de

Amtsgericht Aachen, HRB 15873
Gesch?ftsf?hrer: Bernhard Steffens (Vorsitzender),
Dr. Oliver Rengelshausen

From boris at codesynthesis.com  Tue Apr 28 09:53:07 2015
From: boris at codesynthesis.com (Boris Kolpackov)
Date: Tue Apr 28 10:05:17 2015
Subject: [xsd-users] Get tag name of a generated type
In-Reply-To: <alpine.DEB.2.10.1504271302340.10677@work>
References: <alpine.DEB.2.10.1504271302340.10677@work>
Message-ID: <boris.20150428155028@codesynthesis.com>

Hi Yury,

Yury Zaytsev <yury.zaytsev@traveltainment.de> writes:

> I'm wondering what's the easiest / recommended way of finding out the tag 
> name corresponding to the C++/Tree type?

There could be no such way since an (XML Schema) type can be used to
classify several elements (and even attributes). Which element name
do you want returned?

Some things that you may find relevant:

1. DOM Assocication.
2. Element types (see the 'messaging' example).

Boris

From yury.zaytsev at traveltainment.de  Tue Apr 28 11:05:52 2015
From: yury.zaytsev at traveltainment.de (Yury Zaytsev)
Date: Wed Apr 29 07:32:57 2015
Subject: [xsd-users] Get tag name of a generated type
In-Reply-To: <boris.20150428155028@codesynthesis.com>
References: <alpine.DEB.2.10.1504271302340.10677@work>
	<boris.20150428155028@codesynthesis.com>
Message-ID: <alpine.DEB.2.10.1504281640050.10677@work>

Hi Boris,

On Tue, 28 Apr 2015, Boris Kolpackov wrote:

> There could be no such way since an (XML Schema) type can be used to
> classify several elements (and even attributes). Which element name
> do you want returned?

Thank you very much for the explanation! Now I understand the problem a 
bit better: in my schemas, many types correspond to single elements, so I 
have overlooked this issue.

> Some things that you may find relevant:
>
> 1. DOM Assocication.
> 2. Element types (see the 'messaging' example).

These pointers are highly appreciated, it solves the problem when parsing.

The motivation for my original question, however, was as follows: I'm 
using streaming to serialize a large number of child elements of a parent 
element, and for now I had to hardcode the element names for s.next() 
calls. So, I thought that it would be great if I could get this 
information from the types instead.

It seems that I should just keep on using hardcoded values though, as 
there is no easy way around it :-/

All the best,

-- 
Dr. Yury V. Zaytsev
Senior Software Developer
IT Data Production

TravelTainment GmbH
Carlo-Schmid-Stra?e 12
52146 W?rselen/Aachen, Germany
yury.zaytsev@traveltainment.de

http://www.traveltainment.de

Amtsgericht Aachen, HRB 15873
Gesch?ftsf?hrer: Bernhard Steffens (Vorsitzender),
Dr. Oliver Rengelshausen