libxmlplusplus-general — Open discusions about libXML++

[libxml++] Bug in escaping of characters

[<loi...@re...>]

Hello everybody,

In the doc, =
http://libxmlplusplus.sourceforge.net/docs/reference/2.12/html/classxmlpp=
_1_1ContentNode.html#a3, I read the following:

The text. Note that the 5 predefined entities (&, ", <, &qt, TODO: =
What's the 5th one?) are always resolved, so this content will show =
their human-readable equivalents.


But after a test, it appears that :
- the second character (") is not escaped
- the mysterious fifth character (') is not escaped either, it should be =
replaced by &apos;
- In the doc, the fourth character (>) is displayed as &qt instead of >, =
but it is handled correctly in the code.

I tried to look in the code, but the problem seems to be in libxml, not =
libxml++, and I do not know C.

Best regards,


--=20
Lo=EFc

Re: [libxml++] Dumping the XML document into a file

[Christophe de V. <cde...@al...>]

Hello,

Le Lundi 6 Mars 2006 13:13, mo...@cc... a =E9crit=A0:
> Hello;
>
> I never used the libxml++ and now I want to generate a file out of the XML
> document that being parsed.
>
>    input_file  =3D=3D=3D> Parse it =3D=3D=3D> dump the result to a file.

The dom_read_write example does exactly that.

> Does anybody know how to do it? Can you please provide me with some code
> example how to do it?

http://libxmlplusplus.sourceforge.net/examples/dom_read_write/main.cc

Regards,

Christophe

[libxml++] Dumping the XML document into a file

[<mo...@cc...>]

Hello;

I never used the libxml++ and now I want to generate a file out of the XML 
document that being parsed.

   input_file  ===> Parse it ===> dump the result to a file.


Does anybody know how to do it? Can you please provide me with some code 
example how to do it?


With my best regards
Mousa Al-Mohammed

Re: [libxml++] Informative error message in DomParser

[Christophe de V. <cde...@al...>]

Le Mardi 21 F=E9vrier 2006 11:27, Lo=EFc Joly a =E9crit=A0:
> Hello,

Bonjour Lo=EFc !

[...]

> Is there any way to get a string containing the whole error message ?

Unfortunately no, not with the libxml++ api.

The subject has been discussed in bugzilla :=20
http://bugzilla.gnome.org/show_bug.cgi?id=3D304020,
but so far there is no implementation.
Patches are welcome...


Regards,

Christophe

[libxml++] Informative error message in DomParser

[<loi...@re...>]

Hello,

I'm new to libXml++, so I hope this question is not a FAQ (I tried to =
look in the archives, but failed). When I try to parse invalid XML code, =
I get quite an informative message on the output console:

Entity: line 1: parser error : Opening and ending tag mismatch: Start =
line 1 and End
<Start>Not XML</End>
                    ^


However, when looking to xmlpp::parse_error::what(), I can only get the =
somewhat useless (and redundant with the exception type):

Document not well-formed.


Is there any way to get a string containing the whole error message ?

Best regards,

--=20
Lo=EFc

[libxml++] [ANN] VTD-XML Version 1.5 Released

[Jimmy Z. <cra...@co...>]

[ANN] VTD-XML Version 1.5 Released

Eight years after the invention of XML, DOM and SAX, 
despite their respective issues, are still the mainstays 
of application developers.  
 
So is it the end of road for XML parsing innovation? 
 
The VTD-XML project team think not. We are proud to 
announce the availability of both C and Java version 
1.5 of VTD-XML, the next generation open-source XML 
parser that goes beyond DOM and SAX in terms of 
performance, memory usage and ease of use. 
 
The technical highlights of VTD-XML are: 

* Performance: the world's fastest XML parser,
  between 5x~10x faster than DOM
* Memory Usage: 3x to 5x less than DOM, 1.3x~1.5x
  XML document size
* Random access with built-in XPath support
* A simple and intuitive API 

Other advanced features include:
* Buffer reuse
* Large document support (2GByte)
* Incremental update
* Hardware acceleration
* Native XML indexing.

For demos, latest benchmarks, related articles and software 
downloads, please visit http://vtd-xml.sf.net. Also let us 
know your thoughts and suggestions and help us improve 
VTD-XML.

Re: [libxml++] std::string as a container for UTF-8 data in libxml++

[Christophe de V. <cde...@gm...>]

Le Lundi 13 F=E9vrier 2006 19:12, Tim Conkling a =E9crit=A0:
> Am I correct in
> believing that libxml++ will correctly store UTF-8 data in a std::string,
> such that I can later access the contents of a std::string's character
> buffer directly and the UTF-8 data will still be intact,

yes

> or does=20
> std::string somehow mangle or reject non-ASCII characters?

No. The string instances (either ustring or std::string) are instanciated f=
rom=20
untouched xmlChar* values.

Regards,

Christophe

Re: [libxml++] std::string as a container for UTF-8 data in libxml++

[Stefan S. <se...@sy...>]

Tim Conkling wrote:
> I'm one of the (many?) libxml++ 2.0 users who's using std::string in 
> place of glib::ustring as a container for text. For various reasons 
> outside of my control, I am not able to link to glib::ustring, but I do 
> occasionally need to get non-ASCII Unicode data out of XML documents. Am 
> I correct in believing that libxml++ will correctly store UTF-8 data in 
> a std::string, such that I can later access the contents of a 
> std::string's character buffer directly and the UTF-8 data will still be 
> intact, or does std::string somehow mangle or reject non-ASCII characters?

As I haven't looked at libxml++ for quite some time I'm not qualified to
comment on that part. However, I can confirm that std::string is happy
to accept UTF-8 data. 's.size()' will give you the numbers of bytes in s,
not characters, then, and strlen(s.data()) will still work, too
(though, again, returning number of bytes, not characters), since both
ASCII as well as UTF-8 are NULL-terminated.

Regards,
		Stefan

[libxml++] std::string as a container for UTF-8 data in libxml++

[Tim C. <tco...@gm...>]

I'm one of the (many?) libxml++ 2.0 users who's using std::string in place
of glib::ustring as a container for text. For various reasons outside of my
control, I am not able to link to glib::ustring, but I do occasionally need
to get non-ASCII Unicode data out of XML documents. Am I correct in
believing that libxml++ will correctly store UTF-8 data in a std::string,
such that I can later access the contents of a std::string's character
buffer directly and the UTF-8 data will still be intact, or does std::strin=
g
somehow mangle or reject non-ASCII characters?

Thanks,
Tim

[libxml++] raw/verbatim/binary

[Dominik S. <do...@vi...>]

Hi,
I need to have a (big) raw binary chunk as a content. I know it violates
the XML standard but I just need it. Can I achieve it in libxml++ or do
I have to hack?
Thank you and regards,
Dominik
-- 
Dominik Szczerba, Dr.
Computer Vision Lab CH-8092 Zurich
http://www.vision.ee.ethz.ch/~domi

Re: [libxml++] Xlink

[Daniel V. <vei...@re...>]

On Thu, Feb 02, 2006 at 03:31:01PM -0500, Labour, Matthieu (MLPRO SF) wrote:
> Hi
> 
> I skimmed through the XML mailing archive and I read that libxml2 does
> not implement Xlink. 

  true, this is hardly something you can do at the toolkit level, 99%
of the implementation can only be done at the rendering level, there
is no suitable API which would make sense in a pure XML toolkit level.

Daniel

-- 
Daniel Veillard      | Red Hat http://redhat.com/
vei...@re...  | libxml GNOME XML XSLT toolkit  http://xmlsoft.org/
http://veillard.com/ | Rpmfind RPM search engine http://rpmfind.net/

[libxml++] Xlink

[Labour, M. (M. SF) <mat...@ml...>]

Hi

I skimmed through the XML mailing archive and I read that libxml2 does
not implement Xlink.=20

Am I right ?

Thank you for your answer

Matthieu
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[libxml++] handling tabs

[Anca M. <anc...@ya...>]

Hello,

I have a question on tabs control under libxml++. I am using libxml++ for a module of an application, and the problem is, at the parsing time of .xml files, wich contain white spaces (tabs mostly), the DomParser treats those as nodes. 
I want to be able to "skip" the white spaces at the parsing time (tabs), in other words, the content of a node read from the xml file by the domparser should NOT contain a tab (\t).
I read in the libxml manual that this is possible at the application level, and I think is  a little more vague. 

Can anybody help me in this problem?

Thanks in advance.

Anca
 

		
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Re: [libxml++] compilers trouble

[Luis S. <lf...@ho...>]

But my application only runs with gcc3.4.3. do they have to run with the 
same gcc? tks a lot


>From: Jonathan Wakely <co...@co...>
>To: Luis Silva <lf...@ho...>
>CC: lib...@li...
>Subject: Re: [libxml++] compilers trouble
>Date: Thu, 5 Jan 2006 22:56:38 +0000
>
>Hi,
>
>On Wed, Jan 04, 2006 at 03:03:19PM +0000, Luis Silva wrote:
> > I there, i'm having a problem. I'm running a program using gcc3.4.3 and
> > I've installed the libxml++-dev from yum(fedora 4), for using in that
> > program. The problem is that when I compile my program I get and error 
>and
> > i think that the problem might have to do with the gcc used to compile 
>the
> > libxml++-dev (version 4.0...). Is there anything i can to jump this 
>problem
> > or I need to install everything without using the rpm. Can you please 
>help.
>
>You will need the libstdc++ runtime libs that libxml++ was compiled
>against.  Where did you get your GCC 3.4.3 ?  Try getting libxml++ from
>the same source, or use the GCC 4.0 packages from Fedora 4.
>
>Hope that helps,
>
>jon
>
>--
>"You know how dumb the average guy is?
>  Well, mathematically, by definition,
>  half of them are even dumber than that."
>	- J.R. "Bob" Dobbs

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Re: [libxml++] compilers trouble

[Jonathan W. <co...@co...>]

Hi,

On Wed, Jan 04, 2006 at 03:03:19PM +0000, Luis Silva wrote:
> I there, i'm having a problem. I'm running a program using gcc3.4.3 and 
> I've installed the libxml++-dev from yum(fedora 4), for using in that 
> program. The problem is that when I compile my program I get and error and 
> i think that the problem might have to do with the gcc used to compile the 
> libxml++-dev (version 4.0...). Is there anything i can to jump this problem 
> or I need to install everything without using the rpm. Can you please help. 

You will need the libstdc++ runtime libs that libxml++ was compiled
against.  Where did you get your GCC 3.4.3 ?  Try getting libxml++ from
the same source, or use the GCC 4.0 packages from Fedora 4.

Hope that helps,

jon

-- 
"You know how dumb the average guy is?
 Well, mathematically, by definition,
 half of them are even dumber than that."
	- J.R. "Bob" Dobbs

[libxml++] compilers trouble

[Luis S. <lf...@ho...>]

I there, i'm having a problem. I'm running a program using gcc3.4.3 and I've 
installed the libxml++-dev from yum(fedora 4), for using in that program. 
The problem is that when I compile my program I get and error and i think 
that the problem might have to do with the gcc used to compile the 
libxml++-dev (version 4.0...). Is there anything i can to jump this problem 
or I need to install everything without using the rpm. Can you please help. 
Thanks a lot in advance and sorry  Luis Silva

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[libxml++] compiling and linking

[Luis S. <lf...@ho...>]

I there, can anyone help me. I've installed libxml++ from yum using fedora. 
When I was trying to compile and link the code I''ve got this error. What 
might be the problem. Tanks in advance

/usr/lib/libxml++-2.6.so: undefined reference to 
`__gnu_cxx::__pool<true>::_M_reclaim_block(char*, unsigned 
int)@GLIBCXX_3.4.4'
/usr/lib/libxml++-2.6.so: undefined reference to 
`__gnu_cxx::__pool<true>::_M_initialize(void (*)(void*))@GLIBCXX_3.4.4'
/usr/lib/libxml++-2.6.so: undefined reference to 
`__gnu_cxx::__pool<true>::_M_destroy_thread_key(void*)@GLIBCXX_3.4.4'
/usr/lib/libxml++-2.6.so: undefined reference to 
`__gnu_cxx::__pool<true>::_M_get_thread_id()@GLIBCXX_3.4.4'
/usr/lib/libxml++-2.6.so: undefined reference to 
`__gnu_cxx::__pool<true>::_M_reserve_block(unsigned int, unsigned 
int)@GLIBCXX_3.4.4'

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Re: [libxml++] Library not found

[Darko M. <da...@uv...>]

Chris Kostakis wrote:
> Hi I am relatively new to linux programming so bear with my stupidity.
> 
> When I try to include the library:
> #include <libxml++/libxml++.h>
> 
> I get an error that the file cannot be found.

You need to supply location as to where libxml++ is located to the
compiler. It would be something like this:
g++ -I/usr/include/libxml++-2.6/ <other compiler options>

How exactly will you do this depens what development tools are you
using, IDE, automake etc.

Darko

[libxml++] Library not found

[Chris K. <thr...@ya...>]

Hi I am relatively new to linux programming so bear with my stupidity.
 
 When I try to include the library:
 #include <libxml++/libxml++.h>
 
 I get an error that the file cannot be found.
 
 I checked and it is located in:
 /usr/include/libxml++-2.6/libxml++/libxml++.h
 
 As well as
 /usr/local/include/libxml++-2.6/libxml++/libxml++.h
 
 Any suggestions on how I can get the compiler to recognize the proper location of the header files?
 
 Thanks,
 Chris
 
 
 

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[libxml++] Problem compiling libxml++

[Labour, M. (M. SF) <mat...@ml...>]

Hi,

I would like to use libxml++

I got the following problem with configure

checking for pkg-config... /usr/bin/pkg-config
checking pkg-config is at least version 0.9.0... yes
checking for LIBXML_CFLAGS...
checking for LIBXML_LIBS...
Package libxml-2.0 was not found in the pkg-config search path.
Perhaps you should add the directory containing `libxml-2.0.pc'
to the PKG_CONFIG_PATH environment variable
No package 'libxml-2.0' found
configure: error: Package requirements (libxml-2.0 >=3D 2.6.1 glibmm-2.4
>=3D 2.4.0) were not met.
Consider adjusting the PKG_CONFIG_PATH environment variable if you
installed software in a non-standard prefix.

Alternatively you may set the LIBXML_CFLAGS and LIBXML_LIBS environment
variables
to avoid the need to call pkg-config.  See the pkg-config man page for
more details.

Then I changed  set LIBXML_CFLAGS & LIBXML_LIBS

bash-2.05b$ export
LIBXML_CFLAGS=3D/projects/xdirect/thirdparty/libxml2/include
bash-2.05b$ export =
LIBXML_LIBS=3D/projects/xdirect/thirdparty/libxml2/lib

Then I reran configure but When I compiled, I got the following error :

bash-2.05b$ make
Making all in libxml++
make[1]: Entering directory
`/home/mlabour/libxml++/libxml++2.12.0/build/libxml++-2.12.0/libxml++'
Making all in parsers
make[2]: Entering directory
`/home/mlabour/libxml++/libxml++2.12.0/build/libxml++-2.12.0/libxml++/pa
rsers'
if /bin/sh ../../libtool --tag=3DCXX --mode=3Dcompile g++
-DPACKAGE_NAME=3D\"\" -DPACKAGE_TARNAME=3D\"\" -DPACKAGE_VERSION=3D\"\"
-DPACKAGE_STRING=3D\"\" -DPACKAGE_BUGREPORT=3D\"\" =
-DPACKAGE=3D\"libxml++\"
-DVERSION=3D\"2.12.0\" -DSTDC_HEADERS=3D1 -DHAVE_SYS_TYPES_H=3D1
-DHAVE_SYS_STAT_H=3D1 -DHAVE_STDLIB_H=3D1 -DHAVE_STRING_H=3D1
-DHAVE_MEMORY_H=3D1 -DHAVE_STRINGS_H=3D1 -DHAVE_INTTYPES_H=3D1
-DHAVE_STDINT_H=3D1 -DHAVE_UNISTD_H=3D1 -DHAVE_DLFCN_H=3D1 =
-DHAVE_STRING=3D1
-DHAVE_LIST=3D1 -DHAVE_MAP=3D1  -I. -I. -I../..
/projects/xdirect/thirdparty/libxml2/include    -g -O2 -MT parser.lo -MD
-MP -MF ".deps/parser.Tpo" -c -o parser.lo parser.cc; \
then mv -f ".deps/parser.Tpo" ".deps/parser.Plo"; else rm -f
".deps/parser.Tpo"; exit 1; fi
mkdir .libs
 g++ -DPACKAGE_NAME=3D\"\" -DPACKAGE_TARNAME=3D\"\" =
-DPACKAGE_VERSION=3D\"\"
-DPACKAGE_STRING=3D\"\" -DPACKAGE_BUGREPORT=3D\"\" =
-DPACKAGE=3D\"libxml++\"
-DVERSION=3D\"2.12.0\" -DSTDC_HEADERS=3D1 -DHAVE_SYS_TYPES_H=3D1
-DHAVE_SYS_STAT_H=3D1 -DHAVE_STDLIB_H=3D1 -DHAVE_STRING_H=3D1
-DHAVE_MEMORY_H=3D1 -DHAVE_STRINGS_H=3D1 -DHAVE_INTTYPES_H=3D1
-DHAVE_STDINT_H=3D1 -DHAVE_UNISTD_H=3D1 -DHAVE_DLFCN_H=3D1 =
-DHAVE_STRING=3D1
-DHAVE_LIST=3D1 -DHAVE_MAP=3D1 -I. -I. -I../..
/projects/xdirect/thirdparty/libxml2/include -g -O2 -MT parser.lo -MD
-MP -MF .deps/parser.Tpo -c parser.cc  -fPIC -DPIC -o .libs/parser.o
g++: cannot specify -o with -c or -S and multiple compilations
make[2]: *** [parser.lo] Error 1
make[2]: Leaving directory
`/home/mlabour/libxml++/libxml++2.12.0/build/libxml++-2.12.0/libxml++/pa
rsers'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory
`/home/mlabour/libxml++/libxml++2.12.0/build/libxml++-2.12.0/libxml++'
make: *** [all-recursive] Error 1

I would appreciate any help

My system:

OS name : Linux
OS release : 2.4.21-32.0.1.ELsmp
OS version : #1 SMP Tue May 17 17:52:23 EDT 2005
Hardware platform : i686
Machine uptime : 269926

Reading specs from /usr/lib/gcc-lib/i386-redhat-linux/3.2.3/specs
Configured with: ../configure --prefix=3D/usr --mandir=3D/usr/share/man
--infodir=3D/usr/share/info --enable-shared --enable-threads=3Dposix
--disable-checking --with-system-zlib --enable-__cxa_atexit
--host=3Di386-redhat-linux
Thread model: posix
gcc version 3.2.3 20030502 (Red Hat Linux 3.2.3-52)

Thank you

Matthieu
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[libxml++] (Another) example segfault

[Frederick H. <fw...@cs...>]

Hi, I'm trying to use libxml++ 2.6 from Debian Sarge (stable), and I'm 
getting a segfault from the DOM parser example program. g++ 4.0.2, 
libxml++ 2.6.1... I'm not getting any warnings when compiling. Any suggestions
on this? 

(gdb) run mcp-config.xml
Starting program: /home/fwph/code/role/src/robot/mcp/temp/parser mcp-config.xml
[Thread debugging using libthread_db enabled]
[New Thread 16384 (LWP 14190)]

Node name = mcp-config
Node name = mcp-config
     line = 4

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 16384 (LWP 14190)]
0x40dcab6e in __gnu_cxx::__pool<true>::_M_reclaim_block ()
   from /usr/lib/libstdc++.so.6
(gdb) bt
#0  0x40dcab6e in __gnu_cxx::__pool<true>::_M_reclaim_block ()
   from /usr/lib/libstdc++.so.6
#1  0x0804ac30 in __gnu_cxx::__mt_alloc<std::_List_node<xmlpp::Node*>, __gnu_cxx::__common_pool_policy<__gnu_cxx::__pool, true> >::deallocate (
    this=0xbffff764, __p=0x80efd20, __n=1) at mt_allocator.h:717
#2  0x0804ac5c in std::_List_base<xmlpp::Node*, std::allocator<xmlpp::Node*> >::_M_put_node (this=0xbffff764, __p=0x80efd20) at stl_list.h:317
#3  0x0804acd5 in std::_List_base<xmlpp::Node*, std::allocator<xmlpp::Node*> >::_M_clear (this=0xbffff764) at list.tcc:78
#4  0x40b47d4c in xmlpp::Node::get_children () from /usr/lib/libxml++-2.6.so.1
#5  0x40b48393 in xmlpp::Node::get_children () from /usr/lib/libxml++-2.6.so.1
#6  0x0804a126 in print_node (node=0x80a4178, indentation=0) at main2.cpp:84
#7  0x0804a358 in main (argc=2, argv=0xbffff944) at main2.cpp:110
(gdb) 



(fwph)

--

Frederick Heckel
<fw...@cs...> || <fw...@sc...>

========================================================
fortune sez:
Intolerance is the last defense of the insecure.

Re: [libxml++] MSVC 7.1 Solution for the patched version

[Vadim Z. <va...@us...>]

On Sun, 06 Nov 2005 16:34:45 -0500 togol machillan <tog...@ly...> wrote:

tm> 1. Can somebody please provide the MSVC 7.1 solution for the patched
tm> version of libxml++, without the dependency on glibmm (Glib::ustring)?

 If you mean my patch (the one in bugzilla, see
http://bugzilla.gnome.org/show_bug.cgi?id=320197), then the only thing to
do is to define LIBXMLPP_USE_STD_STRING preprocessor symbol in the project
options.

 Please let me know if you have any problems with this,
VZ

Re: [libxml++] MSVC 7.1 Solution for the patched version

[Christophe de V. <cde...@gm...>]

Hi,

2005/11/6, togol machillan <tog...@ly...>:

> 2. Is there any way of specifying that the predefined entities for the sp=
ecial characters (& < >) should not be used. Instead, the character itself =
should be included in the output XML file.

I don't think so. Why would you do that ? How would you expect a
parser to make the difference between tags and content text if no
entities are used ?


Regards,

Christophe

[libxml++] MSVC 7.1 Solution for the patched version

[togol m. <tog...@ly...>]

Dear Members,

1. Can somebody please provide the MSVC 7.1 solution for the patched versio=
n of libxml++, without the dependency on glibmm (Glib::ustring)?

2. Is there any way of specifying that the predefined entities for the spec=
ial characters (& < >) should not be used. Instead, the character itself sh=
ould be included in the output XML file.=20

Regards,
Togol=20
=20

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[libxml++] new and corrected patch to allow building without glibmm

[Vadim Z. <va...@us...>]

 Hello again,

 as discussed previously, I've created a new patch which doesn't include
dummy glibmm/ustring.h file any more. It does include new
libxml++/xmlstring.h and libxml++/config.h files but hopefully it's ok
because I had already asked abotu the former and the latter can be useful
for any other compile time options too.

 I've also renamed LIBXML_USE_STD_STRING to LIBXMLPP_USE_STD_STRING and
replaced #ifdef's with a xmlpp::String::bytes() function which works with
either std::string or Glib::ustring.

 The patch itself is here: http://bugzilla.gnome.org/show_bug.cgi?id=320197
I've tested it and, to the best of my knowledge, it doesn't change anything,
API- or ABI-wise, if the new --without-ustring option is not used. When it
is used, however, libxml++ can now be built out of the box under Mac OS X
and Win32, unlike before.

 Please let me know if there is anything else I can do, thanks,
VZ