Re: XML tools for Octave

[Schloegl Alois]

Quoting David Bateman <address@hidden>:

> As a fairly dumb conversion of xmldata to an oct-file (though I tried to
> replace C strings with the C++ std::string class), how does the attached
> work. Basically, I've just tested to the point where is compiles and no
> further. I also think there is a serious problem in the original code in
> that malformed input might cause a seg-fault. Consider the example
> "</xml>v</xml>" that seems to me will not create the struct to contain
> the field and then try to assign to it. I tried to fix this.
>
> The conversion is very direct and there are ugly multiple assignments to
> the return value list. It would be better to get rid of these. Help
> strings etc might also be improved..
>
> D.


When I tried to apply it to a large XML file, it reads only the first  
elements.

octave:27>  
fid=fopen('Exa01.xml');s=char(fread(fid,[1,inf],'char'));fclose(fid)
ans = 0
octave:28> list= xmlstruct(char(s))octave:2

list =
{
  data =

  (,
    [1] =
    {
      encoding = utf-8
      version = 1.0
      x_ = 1.0
    }

    [2] =
  ,)

  name =

  (,
    [1] = x_xml
    [2] = <!-- Sample Annotated ECG -->
  ,)

  type =

  (,
    [1] = 1
    [2] = 0
  ,)

}

octave:29> struct= xmlstruct(char(s),'sub')
struct =
{
  data =
  {
    encoding = utf-8
    version = 1.0
    x_ = 1.0
  }

  name = x_xml
  sub =
  {
    data =
    name = <!-- Sample Annotated ECG -->
    type = 0
  }

  type = 1
}


The original version returns on the same file 2430 elements.

> >  fid=fopen('Exa01.xml');s=char(fread(fid,[1,inf],'char'));fclose(fid);
> > list= xmlstruct(char(s))

list =

1x2430 struct array with fields:
    name
    data
    type

> > t= xmlstruct(char(s),'sub')

t =

    name: 'x_xml'
    data: [1x1 struct]
    type: 1
     sub: [1x10 struct]


A.