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