Re: [xml] xml Digest, Vol 54, Issue 16, Subscription

[SAEID BESYARFARD <besy helloworld hotmail com>]

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> From: xml-request gnome org
> Subject: xml Digest, Vol 54, Issue 16
> To: xml gnome org
> Date: Fri, 17 Oct 2008 11:52:08 +0000
> 
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> 
> Today's Topics:
> 
>    1. truncated bytes in xml (Prashant R)
>    2. [patch] add a --disable-rebuild-docs configure option
>       (Adrian Bunk)
>    3. SetObjectValue (Apparao Mulpuri)
>    4. SAX Parsing continues though namespace constaint is violated
>       (Rabi Narayan Sahoo)
> 
> 
> ----------------------------------------------------------------------
> 
> Message: 1
> Date: Thu, 16 Oct 2008 16:39:05 -0700
> From: "Prashant R" 
> Subject: [xml] truncated bytes in xml
> To: xml gnome org
> Message-ID:
> 	
> Content-Type: text/plain; charset="utf-8"
> 
> Hi ,
> 
> I am  using libxml2 in an embedded environment .
> I am trying to use the xmlwriter API's to write xml.
> 
> some of the blocks have a sizeable amount of data (>1000 bytes ) .
> I am using code similar to this to write each node
> 
> 
> 
> xmlNodePtr pDom ;
> 
> ..
> 
> ...
> 
> ..
> 
> ..
> 
> 
> xmlTextWriterStartElement(writer,(const xmlChar *)kElem1);
> 
> xmlTextWriterWriteString(writer , BAD_CAST GetData() ); // line 2
> 
> xmlTextWriterEndElement(writer);
> 
> 
> // 2nd element
> 
> 
> // 3rd element
> 
> 
> xmlTextWriterEndDocument(writer);
> 
> xmlFreeTextWriter(writer);
> 
> 
> //write out xml to file system
> 
> xmlOutputBufferPtr buffptr= xmlOutputBufferCreateIO
> (WriteCallbackFunction,CloseCallbackFunction, (void *)&file, NULL);
> 
> if(buffptr == NULL)
> 
> return false ;
> 
> // Buffer Ptr ,doc , currentnode , level , format , encoding
> 
> xmlNodeDumpOutput(buffptr, pDom->doc, pDom , 0,  0, NULL);
> 
> if(xmlOutputBufferClose(buffptr))
> 
> return true;
> 
> 
> the problem is that  data  is missing in the final xml file.
> 
> Part of the data for Node 1 is written but the rest of the nodes are absent
> 
> something like
> TUlJRFBEQ0NBaVNnQXdJQkFnSUpBdnNYK3dnSEJBQUNNQTBHQ1NxR1NJYjNEUUVCQlFVQU1I
> Y3hDekFKQmdOVgpCQVlUQWxWVE1STXdFUVlEVlFRS0V3cEJjSEJzWlNCSmJtTXVNU1l3SkFZ
> 
> I have tried replacing the xmlTextWriterWriteString   with other similars
> API's such as xmlTextWriterWriteRaw and xmlTextWriteWriteBase64 but havent
> had any success !
> 
> 
> Is anyone aware of any issues with this or a recommendation for a better way
> to do this .
> 
> Thanks
> -------------- next part --------------
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> 
> ------------------------------
> 
> Message: 2
> Date: Fri, 17 Oct 2008 13:11:03 +0300
> From: Adrian Bunk 
> Subject: [xml] [patch] add a --disable-rebuild-docs configure option
> To: xml gnome org
> Message-ID: 
> Content-Type: text/plain; charset=utf-8
> 
> The Matrix tool [1] used in the ARM Linux Internet Platform [2] checks 
> during builds whether shipped files have changed since the last build. 
> This catches situations where people forgot to push local changes to the 
> repository. It is very uncommon that software modifies shipped files 
> during the build. Unfortunately, documentation files shipped in the 
> libxml2 SVN get rebuild during a normal build.
> 
> [1] http://sandbox.movial.com/wiki/index.php/Matrix
> [2] http://linux.onarm.com
> 
> 
> With --disable-rebuild-docs shipped files will no longer change during 
> the build.
> 
> By default, the files will still get rebuilt.
> 
> --- a/configure.in
> +++ b/configure.in
> @@ -166,6 +166,10 @@ AC_ARG_WITH(zlib,
>  AC_ARG_WITH(coverage,
>  [  --with-coverage         build for code coverage with GCC (off)])
>  
> +AC_ARG_ENABLE(rebuild-docs,
> +[  --enable-rebuild-docs[[=yes/no]]  rebuild some generated docs [[default=yes]]])
> +AM_CONDITIONAL([REBUILD_DOCS], [test "$enable_rebuild_docs" = "no"])
> +
>  dnl
>  dnl hard dependancies on options
>  dnl
> --- a/doc/Makefile.am
> +++ b/doc/Makefile.am
> @@ -26,7 +26,11 @@ EXTRA_DIST=xmlcatalog_man.xml tutorial/*.html tutorial/*.c tutorial/*.pdf \
>  
>  man_MANS = xmllint.1 xmlcatalog.1
>  
> +if REBUILD_DOCS
>  all: web $(top_builddir)/NEWS libxml2.xsa $(man_MANS)
> +else
> +all:
> +endif
>  
>  api: libxml2-api.xml libxml2-refs.xml $(APIPAGES) $(srcdir)/html/index.html $(WIN32_DIR)/libxml2.def.src ../elfgcchack.h
>  
> 
> 
> ------------------------------
> 
> Message: 3
> Date: Fri, 17 Oct 2008 16:06:34 +0530
> From: "Apparao Mulpuri" 
> Subject: [xml] SetObjectValue
> To: xml gnome org
> Message-ID:
> 	
> Content-Type: text/plain; charset=ISO-8859-1
> 
> Hi,
> 
>    I am writing libxml equivalent for NSXML classes. I am struck at
> following method implementation:
> 
> - (void)setObjectValue:(id)value
> 
> Here is the description of the above method:
> 
> This method can only be invoked on NSXMLNode objects that may have
> content, specifically elements, attributes, namespaces, processing
> instructions, text, and DTD-declaration nodes. The given object is
> usually a Foundation equivalent to one of the atomic types in the
> XQuery data model: NSNumber (integer, decimal, float, double,
> Boolean), NSString (string), NSCalendarDate (date), NSData
> (base64Binary and hexBinary), NSURL (URI), and NSArray (NMTOKENS,
> IDREFS, ENTITIES). However, you can also set the object value to be a
> custom value and register a value transformer (that is, an instance of
> NSValueTransformer) to convert the object value to an XML string
> representation when the node is asked for its string value. Setting a
> node's object value removes all existing children, including
> processing instructions and comments. Setting an element node's object
> value creates a text node as the sole child. When an NSXMLNode object
> emits its object-value contents as a string, and it can determine the
> type of the value, it ensures that it the string is in a canonical
> form as defined by the W3C XML Schema Data Types specification.
> 
> 
> Could you please provide some pointers on " How to implement same
> Equivalent by using LibXML"?
> 
> 
> Thanks,
> - Apparao.
> 
> 
> ------------------------------
> 
> Message: 4
> Date: Fri, 17 Oct 2008 17:21:37 +0530
> From: Rabi Narayan Sahoo 
> Subject: [xml] SAX Parsing continues though namespace constaint is
> 	violated
> To: xml gnome org
> Cc: ashutosh_p huawei com, ranjit huawei com
> Message-ID: 
> Content-Type: text/plain; charset="us-ascii"
> 
> Hi
> 
>  
> 
> While parsing the following xml file with SAX Parsing I receive all the SAX
> Event though it does not satisfy the namespace specification
> 
> 
> 
> 
> 
> In the above file ns1 is not declared which violates the Namespace
> constraint: 
> 
> "The namespace prefix, unless it is xml or xmlns, MUST have been declared in
> a namespace declaration attribute in either the start-tag of 
> 
> the element where the prefix is used or in an ancestor element"
> 
> Libxml simply gives the warning and continues to give SAX events. 
> 
> My question is why violation of this constraint is considered as a warning
> not as a fatal error?
> 
> Thanks and Regards
> 
>        Rabi
> 
>  
> 
>  
> 
>  
> 
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> End of xml Digest, Vol 54, Issue 16
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