TINYXPATH (转)

TinyXPath examples / regression tests

Input XML tree

<a>
   <b val='123'>
      <b />
      <c />
<!-- -122.0 -->
      <d />
   </b>
<!-- 500.0 -->
   <x target='xyz'>
sub text    </x>
</a>

Results

Expression	Result	Expected (compiled)
@val	123	123
//x/text()	sub text	sub text
//*/comment()	-122.0	-122.0
count(//*/comment())	2	2
sum(//@*)	123	123
sum(//*/comment())	378	378
true()	true	true
not(false())	true	true
count(//*[position()=2])	2	2
name(/*/*/*[position()=2])	c	c
name(/*/*/*[last()])	d	d
count(//c/following::*)	2	2
count(/a/b/b/following::*)	3	3
count(//d/preceding::*)	2	2
name(//attribute::*)	val	val
count(//b/child::*)	3	3
count(//x/ancestor-or-self::*)	2	2
count(//b/descendant-or-self::*)	4	4
count(//self::*)	6	6
count(/a/descendant::*)	5	5
count(/a/descendant::x)	1	1
count(/a/descendant::b)	2	2
count(/a/descendant::b[@val=123])	1	1
count(//c/ancestor::a)	1	1
name(//d/parent::*)	b	b
count(//c/ancestor::*)	2	2
name(/a/b/ancestor::*)	a	a
name(/a/b/c/following-sibling::*)	d	d
count(//b/following-sibling::*)	3	3
count(//b|//a)	3	3
count(//d/preceding-sibling::*)	2	2
-3 * 4	-12	-12
-3.1 * 4	-12.4	-12.4
12 div 5	2.4	2.4
3 * 7	21	21
-5.5 >= -5.5	true	true
-5.5 < 3	true	true
-6.0 < -7	false	false
12 < 14	true	true
12 > 14	false	false
14 <= 14	true	true
/a or /b	true	true
/c or /b	false	false
/a and /b	false	false
/a and /*/b	true	true
18-12	6	6
18+12	30	30
count(//a|//b)	3	3
count(//*[@val])	1	1
name(//*[@val=123])	b	b
3=4	false	false
3!=4	true	true
12=12	true	true
'here is a string'='here is a string'	true	true
'here is a string'!='here is a string'	false	false
/a/b/@val	123	123
count(//*/b)	2	2
name(/*/*/*[2])	c	c
name(/*)	a	a
name(/a)	a	a
name(/a/b)	b	b
name(/*/*)	b	b
name(/a/b/c)	c	c
count(/a/b/*)	3	3
ceiling(3.5)	4	4
concat('first ','second',' third','')	first second third	first second third
ceiling(5)	5	5
floor(3.5)	3	3
floor(5)	5	5
string-length('try')	3	3
concat(name(/a/b[1]/*[1]),' ',name(/a/b/*[2]))	b c	b c
count(/a/b/*)	3	3
count(//*)	6	6
count(//b)	2	2
contains('base','as')	true	true
contains('base','x')	false	false
not(contains('base','as'))	false	false
starts-with('blabla','bla')	true	true
starts-with('blebla','bla')	false	false
substring('12345',2,3)	234	234
substring('12345',2)	2345	2345
substring('12345',2,6)	2345	2345
concat('[',normalize-space(' before and after '),']')	[before and after]	[before and after]
//*	6	6
2+3+4+5	14	14
20-2-3+5	20	20
count(/a/x[1])	1	1
name(/a/*[2])	x	x
name(/a/*[1])	b	b
name(/a/x[1])	x	x
count(/a/b/c[1])	1	1
count(/a/b/c[position()=1])	1	1
count(/a/b/d[position()=3])	0	0
//*[@val]/@val	123	123
//x[text()='sub text']/@target	xyz	xyz
substring('123.4',1)	123.4	123.4
//**	syntax error	syntax error

Input XML tree

<xml>
   <text>
within    </text>
</xml>

Expression	Result	Expected (compiled)
/xml/text/text()	within	within

RSS feed examples

These examples show how to decode a typical XML file : the TinyXPath RSS feed

RSS version (XPath expr : /rss/@version) : 2.0
Nb of news messages (XPath expr : count(/rss/channel/item)) : 7

Xpath expr	value
concat(/rss/channel/item[1]/pubDate/text(),' : ',/rss/channel/item[1]/title/text())	Sun, 18 Jan 2004 13:33:55 GMT : TinyXPath 1.2.1 is released
concat(/rss/channel/item[2]/pubDate/text(),' : ',/rss/channel/item[2]/title/text())	Fri, 09 Jan 2004 21:24:09 GMT : TinyXPath 1.2 is released
concat(/rss/channel/item[3]/pubDate/text(),' : ',/rss/channel/item[3]/title/text())	Wed, 07 Jan 2004 08:52:10 GMT : Version 1.1 is out
concat(/rss/channel/item[4]/pubDate/text(),' : ',/rss/channel/item[4]/title/text())	Tue, 11 Jun 2002 19:31:51 GMT : Release 0.3 is out
concat(/rss/channel/item[5]/pubDate/text(),' : ',/rss/channel/item[5]/title/text())	Mon, 27 May 2002 20:14:31 GMT : Release 0.2 is out
concat(/rss/channel/item[6]/pubDate/text(),' : ',/rss/channel/item[6]/title/text())	Tue, 21 May 2002 21:23:53 GMT : First release 0.1 is out
concat(/rss/channel/item[7]/pubDate/text(),' : ',/rss/channel/item[7]/title/text())	Tue, 14 May 2002 20:09:56 GMT : Syntax decoding is done