"""

""" 

from py.xml import Namespace, Tag

from py.__.xmlobj.visit import SimpleUnicodeVisitor 

class HtmlVisitor(SimpleUnicodeVisitor): 

    single = dict([(x, 1) for x in 

                ('br,img,area,param,col,hr,meta,link,base,'

                    'input,frame').split(',')])

    inline = dict([(x, 1) for x in

                ('a abbr acronym b basefont bdo big br cite code dfn em font '

                 'i img input kbd label q s samp select small span strike '

                 'strong sub sup textarea tt u var'.split(' '))])

    def repr_attribute(self, attrs, name): 

        if name == 'class_':

            value = getattr(attrs, name) 

            if value is None: 

                return

        return super(HtmlVisitor, self).repr_attribute(attrs, name) 

    def _issingleton(self, tagname):

        return tagname in self.single

    def _isinline(self, tagname):

        return tagname in self.inline

class HtmlTag(Tag): 

    def unicode(self, indent=2):

        l = []

        HtmlVisitor(l.append, indent, shortempty=False).visit(self) 

        return u"".join(l) 

# exported plain html namespace 

class html(Namespace):

    __tagclass__ = HtmlTag

    __stickyname__ = True 

    __tagspec__ = dict([(x,1) for x in ( 

        'a,abbr,acronym,address,applet,area,b,bdo,big,blink,'

        'blockquote,body,br,button,caption,center,cite,code,col,'

        'colgroup,comment,dd,del,dfn,dir,div,dl,dt,em,embed,'

        'fieldset,font,form,frameset,h1,h2,h3,h4,h5,h6,head,html,'

        'i,iframe,img,input,ins,kbd,label,legend,li,link,listing,'

        'map,marquee,menu,meta,multicol,nobr,noembed,noframes,'

        'noscript,object,ol,optgroup,option,p,pre,q,s,script,'

        'select,small,span,strike,strong,style,sub,sup,table,'

        'tbody,td,textarea,tfoot,th,thead,title,tr,tt,u,ul,xmp,'

        'base,basefont,frame,hr,isindex,param,samp,var'

    ).split(',') if x])

    class Style(object): 

        def __init__(self, **kw): 

            for x, y in kw.items():

                x = x.replace('_', '-')

                setattr(self, x, y)