comp 'http://user:pw@host:8080/p/q?a=1#f' | uri_components(http,'user:pw@host:8080','/p/q','a=1',f)
comp 'urn:isbn:0451450523' | urn_components(urn,isbn,'0451450523','_','_')
comp 'mailto:bob@x.com' | uri_components(mailto,'_','bob@x.com','_','_')
comp '/rel/path' | uri_components('_','_','/rel/path','_','_')
comp 'file:///etc/hosts' | uri_components(file,'','/etc/hosts','_','_')
comp 'http://h' | uri_components(http,h,'','_','_')
bld uri_components(http,'h:80','/p','a=1',frag) | 'http://h:80/p?a=1#frag'
bld uri_components(http,h,'_','_','_') | 'http://h'
bld urn_components(urn,isbn,'0451','_','_') | 'urn:isbn:0451'
data scheme 'http://h/p?q#f' | http
data authority 'http://h/p?q#f' | h
data path 'http://h/p?q#f' | '/p'
data search 'http://h/p?q#f' | q
data fragment 'http://h/p?q#f' | f
data nid 'http://h/p?q#f' | <fail>
data nss 'http://h/p?q#f' | <fail>
data scheme 'urn:isbn:0451' | urn
data authority 'urn:isbn:0451' | <fail>
data path 'urn:isbn:0451' | <fail>
data search 'urn:isbn:0451' | '_'
data fragment 'urn:isbn:0451' | '_'
data nid 'urn:isbn:0451' | isbn
data nss 'urn:isbn:0451' | '0451'
qparse 'a=1&b=2' | [a='1',b='2']
qparse 'a&b=1' | ['a&b'='1']
qparse '' | []
qparse 'a=1&a=2' | [a='1',a='2']
qparse 'a=b=c' | [a='b=c']
qparse '=1' | ['' = '1']
qparse 'a=' | [a='']
qparse 'a=1&b=x+y&c=%26' | [a='1',b='x y',c=&]
qbuild [a=1,b='x y',c= &=] | 'a=1&b=x%20y&c=%26%3D'
qbuild [a(1),b-2,c=3] | 'a=1&b=2&c=3'
qbuild [] | ''
auth 'u:p@h:80' | uri_authority(u,p,h,80)
auth h | uri_authority('_','_',h,'_')
auth '[::1]:8080' | uri_authority('_','_','::1',8080)
authb uri_authority(u,p,h,80) | 'u:p@h:80'
authb uri_authority('_','_',h,'_') | h
global 'http://x/' | yes
global '/rel' | no
global 'a:b' | no
global 'c:/x' | no
global 'urn:x:y' | yes
u2f 'file:///etc/hosts' | '/etc/hosts'
u2f 'http://x/y' | <fail>
u2f 'file:///a%20b/c' | '/a b/c'
f2u '/etc/hosts' | 'file:///etc/hosts'
f2u '/a b/c' | 'file:///a%20b/c'
norm 'HTTP://X/a/../b' | 'http://x/b'
norm 'http://x:80/' | 'http://x/'
norm 'http://X/%c3%a9/%7e/a/../b' | 'http://x/%C3%A9/~/b'
norm3 g 'http://a/b/c/d' | 'http://a/b/c/g'
inorm 'HTTP://X/%c3%a9/%7e/a/../b' | 'http://x/%c3%a9/%7e/b'
normi 'HTTP://X/%c3%a9/%7e/a/../b' | 'http://x/é/~/b'
res g 'http://a/b/c/d;p?q' | 'http://a/b/c/g'
res '../x' 'http://a/b/c/d' | 'http://a/b/x'
res 'http:g' 'http://a/b/c/d;p?q' | 'http:g'
edit path('/new') 'http://h/old?q' | 'http://h/new?q'
edit [host(h2),port(99)] 'http://h/p' | 'http://h2:99/p'
edit path(rel) 'http://h/a/b' | 'http://h/a/rel'
edit fragment('_') 'http://h/p#f' | 'http://h/p'
edit search([a=1]) 'http://h/p' | 'http://h/p?a=1'
edit scheme(https) 'http://h/p' | 'https://h/p'
edit user(bob) 'http://h/p' | 'http://bob@h/p'
enc path 'a b' | 'a%20b'
enc query_value 'a&b' | 'a%26b'
dec path 'a%20b' | 'a b'
dec query_value 'a+b' | 'a b'
u2i 'http://x/%C3%A9' | 'http://x/é'