Confusion on XPath Grammar concerning attribute axis

"Kirmse, Daniel" <[email protected]> Thu, 15 Jan 2004 17:27:15 +0100
Newsgroups	gmane.text.xml.xpath.general
Message-ID	<[email protected]>
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Hi,

I wonder what this expression means:

(1) /foo/@attr/bar

or what this one here means:

(2) /foo/@text()

ad (1):
This expression seems to be perfectly within the range of the grammar, but I cannot understand what it means. Well /foo/@attr takes me to the attribute "attr" of node "foo". But what does /bar do on this context?

ad(2):
Well this looks like a text() test on the attribute axis of foo. But what is the meaning of that?



Thanks for any answers and hints!
Cheers,
Daniel



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<P ALIGN=3DLEFT><FONT SIZE=3D2 FACE=3D"Arial">Hi,</FONT></P>

<P ALIGN=3DLEFT><FONT SIZE=3D2 FACE=3D"Arial">I wonder what this =
expression means:</FONT></P>

<P ALIGN=3DLEFT><FONT SIZE=3D2 FACE=3D"Arial">(1)</FONT> <FONT SIZE=3D2 =
FACE=3D"Arial">/foo/@attr/bar</FONT></P>

<P ALIGN=3DLEFT><FONT SIZE=3D2 FACE=3D"Arial">or what this one here =
means:</FONT></P>

<P ALIGN=3DLEFT><FONT SIZE=3D2 FACE=3D"Arial">(2)</FONT> <FONT SIZE=3D2 =
FACE=3D"Arial">/foo/@text()</FONT></P>

<P ALIGN=3DLEFT><FONT SIZE=3D2 FACE=3D"Arial">ad (1):</FONT></P>

<P ALIGN=3DLEFT><FONT SIZE=3D2 FACE=3D"Arial">This expression seems to =
be perfectly within the range of the grammar, but I cannot understand =
what it means.</FONT> <FONT SIZE=3D2 FACE=3D"Arial">Well /foo/@attr =
takes me to the attribute</FONT> <FONT SIZE=3D2 =
FACE=3D"Arial">"</FONT><FONT SIZE=3D2 FACE=3D"Arial">attr</FONT><FONT =
SIZE=3D2 FACE=3D"Arial">"</FONT><FONT SIZE=3D2 FACE=3D"Arial"> of =
node</FONT> <FONT SIZE=3D2 FACE=3D"Arial">"</FONT><FONT SIZE=3D2 =
FACE=3D"Arial">foo</FONT><FONT SIZE=3D2 FACE=3D"Arial">"</FONT><FONT =
SIZE=3D2 FACE=3D"Arial">. But what does /bar do on this =
context?</FONT></P>

<P ALIGN=3DLEFT><FONT SIZE=3D2 FACE=3D"Arial">ad(2):</FONT></P>

<P ALIGN=3DLEFT><FONT SIZE=3D2 FACE=3D"Arial">Well this looks like a =
text() test on the</FONT> <FONT SIZE=3D2 =
FACE=3D"Arial">attribute</FONT><FONT SIZE=3D2 FACE=3D"Arial"> axis of =
foo. But what is the meaning of that?</FONT></P>
<BR>
<BR>

<P ALIGN=3DLEFT><FONT SIZE=3D2 FACE=3D"Arial">Thanks for any answers =
and hints!</FONT></P>

<P ALIGN=3DLEFT><FONT SIZE=3D2 FACE=3D"Arial">Cheers,</FONT></P>

<P ALIGN=3DLEFT><FONT SIZE=3D2 FACE=3D"Arial">Daniel</FONT></P>

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