/*
 * This is set of mixins to help generating
 * CSS classes according to the Block__Element--Modifier pattern.
 * It also helps nesting those classes in any fashion imaganible
 * and still produces clean BEM CSS
 */

_css-prefix = 'RV'

// Cache for Blocks
_last_block_name = null

_element_building_lane = {}
_element_block_stack = ()

_block_modifier_building_lane = {}
_block_modifier_block_stack = ()


/*
 * Generates a CSS class for an
 * Block according to BEM
 */
RV-Block(name)
	tow(name, block)


/*
 * Generates a CSS class for an block modifier
 * according to BEM. 
 */
RV-Block__Modifier(name)
	attach('RV-Block', unquote('--' + name), block)


/*
 * Generates an CSS class for an element
 * according to BEM. Also minds the element modifiers
 * For more see RV-Element___Modifier
 */
RV-Element(name)
	attach('RV-Block', unquote('__' + name), block)
	tow(name, block)



/*	p(_block_building_lane)
 * Generates a CSS class for an element modifier
 * according to BEM. These are ment to be part of the 
 * content block of an element and since child-mixins
 * are called first there is no way of knowing what the
 * current element is named. To solve this, we store
 * a callback for the modifier and add the element name
 * from RV-Element
 */
RV-Element__Modifier(name)
	attach('RV-Element', '--' + name, block)