61 lines
1.6 KiB
Ruby
61 lines
1.6 KiB
Ruby
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#--
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# Copyright (C) 2006 Andrea Censi <andrea (at) rubyforge.org>
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#
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# This file is part of Maruku.
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#
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# Maruku is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# Maruku is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Maruku; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#++
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module MaRuKu
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class MDElement
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# Yields to each element of specified node_type
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# All elements if e_node_type is nil.
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def each_element(e_node_type=nil, &block)
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@children.each do |c|
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if c.kind_of? MDElement
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if (not e_node_type) || (e_node_type == c.node_type)
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block.call c
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end
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c.each_element(e_node_type, &block)
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end
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end
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end
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# Apply passed block to each String in the hierarchy.
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def replace_each_string(&block)
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for c in @children
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if c.kind_of? MDElement
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c.replace_each_string(&block)
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end
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end
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processed = []
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until @children.empty?
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c = @children.shift
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if c.kind_of? String
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result = block.call(c)
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[*result].each do |e| processed << e end
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else
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processed << c
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end
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end
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@children = processed
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end
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end
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end
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