Re: jQuery like lua table query lib

[임창진(callin) <callin2@...>]

I know '~=' means not equal in lua.
In lquery I try to follow jQuery's selector notation
Thanks.

2010년 12월 27일 월요일에 HyperHacker<hyperhacker@gmail.com>님이 작성:
> 2010/12/26 임창진(callin) <callin2@gmail.com>:
>> Hi all lua lovers!
>>
>> few weeks ago I need lib which behave like jQuery over lua table.
>> I search it but cannot find. then I coded it for me.
>> And I guess it may useful.
>> below is sample.
>> It uses Lpeg(0.9)
>> anybody can use/improve it freely. feedback is welcome.
>> --------------------------------
>>
>> require "lquery"
>> require "base" -- this is optional for table pretty print
>>
>> -- table for test
>> local root = {tag='a',
>>        {tag='c', 1,2,3},
>>        {tag='a',b='xxx',
>>                {tag='c',id='qq',age=33, class='a b c'},
>>                {tag='c',id='qq123',age=34, class='a b'},
>>        },
>> }
>>
>> local lqroot = lquery.new(root)
>> assert( lqroot:get(1) == root , 'it must be equal')
>>
>> --[[
>>        '='     :       equal
>>        '^='    :       startwith
>>        '$='    :       endWith
>>        '~='    :       contains
>>
>>
>>
>>        '/a/c'          ===> '/[tag="a"]/[tag="c"]'
>>        'c'             ===> '*[tag="c"]'
>>        '#xxx'          ===> '*[id="xxx"]'
>>        '.xxx'          ===> '*[class~="xxx"]'
>>
>> ]]
>>
>>
>> local fr = lqroot:find('c')
>>
>> for t in fr:each() do
>>        print('t1',t)
>> end
>>
>> print( fr:get(3))  --  {age=34,name=qq123,tag=c}
>>
>> fr = lqroot:find('/a/c')
>>
>> for t in fr:each() do
>>        print('t2',t)
>> end
>>
>> fr = lqroot:find('/[tag="a"]/[tag="c"]')
>>
>> for t in fr:each() do
>>        print('t3',t)
>> end
>>
>> fr = lqroot:find('/a/a c')
>>
>> for t in fr:each() do
>>        print('t4',t)
>> end
>>
>> fr = lqroot:find('#qq')
>>
>> for t in fr:each() do
>>        print('t5',t)
>> end
>>
>> for t in lqroot:find('.b'):each() do
>>        print('t6',t)
>> end
>>
>> fr = lqroot:find('.c')
>>
>> for t in fr:each() do
>>        print('t7',t)
>> end
>>
>>
>> -----------------------------------
>>
>>
>> --
>> 임창진(rim.chang.jin)
>>
>
> It looks quite useful, but I think "~=" will be confusing for some,
> because it means "does not equal" in Lua.
>
> --
> Sent from my toaster.
>
>

-- 
임창진(rim.chang.jin)