49 lines
1.7 KiB
Ruby
49 lines
1.7 KiB
Ruby
# 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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module MaRuKu
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class MDElement
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# Iterates through each {MDElement} child node of this element.
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# This includes deeply-nested child nodes.
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# If `e_node_type` is specified, only yields nodes of that type.
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def each_element(e_node_type=nil, &block)
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@children.each do |c|
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next unless c.is_a? MDElement
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yield c if e_node_type.nil? || c.node_type == e_node_type
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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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# Iterates through each String child node of this element,
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# replacing it with the result of the block.
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# This includes deeply-nested child nodes.
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#
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# This destructively modifies this node and its children.
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#
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# @todo Make this non-destructive
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def replace_each_string(&block)
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@children.map! do |c|
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next yield c unless c.is_a?(MDElement)
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c.replace_each_string(&block)
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c
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end.flatten!
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end
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end
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end
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