class MaRuKu::In::Markdown::BlockLevelParser::LineSource
This represents a source of lines that can be consumed.
It is the twin of CharSource.
Attributes
parent[R]
Public Class Methods
new(lines, parent=nil, parent_offset=nil)
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# File lib/maruku/input/linesource.rb, line 11 def initialize(lines, parent=nil, parent_offset=nil) raise "NIL lines? " unless lines @lines = lines.map {|l| l.kind_of?(MaRuKu::MDLine) ? l : MaRuKu::MDLine.new(l) } @lines_index = 0 @parent = parent @parent_offset = parent_offset end
Public Instance Methods
cur_index()
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# File lib/maruku/input/linesource.rb, line 66 def cur_index @lines_index end
cur_line()
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# File lib/maruku/input/linesource.rb, line 19 def cur_line @lines[@lines_index] end
describe()
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# File lib/maruku/input/linesource.rb, line 39 def describe s = "At line #{original_line_number(@lines_index)}\n" context = 3 # lines from = [@lines_index - context, 0].max to = [@lines_index + context, @lines.size - 1].min from.upto(to) do |i| prefix = (i == @lines_index) ? '--> ' : ' '; l = @lines[i] s += "%10s %4s|%s" % [@lines[i].md_type.to_s, prefix, l] s += "|\n" end s end
ignore_line()
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# File lib/maruku/input/linesource.rb, line 34 def ignore_line raise "Over the rainbow" if @lines_index >= @lines.size @lines_index += 1 end
next_line()
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# File lib/maruku/input/linesource.rb, line 23 def next_line @lines[@lines_index + 1] end
original_line_number(index)
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# File lib/maruku/input/linesource.rb, line 58 def original_line_number(index) if @parent index + @parent.original_line_number(@parent_offset) else 1 + index end end
shift_line()
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# File lib/maruku/input/linesource.rb, line 27 def shift_line raise "Over the rainbow" if @lines_index >= @lines.size l = @lines[@lines_index] @lines_index += 1 l end
tell_me_the_future()
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Returns the type of next line as a string breaks at first :definition
# File lib/maruku/input/linesource.rb, line 72 def tell_me_the_future s = "" num_e = 0 @lines_index.upto(@lines.size - 1) do |i| c = case @lines[i].md_type when :text; "t" when :empty; num_e += 1; "e" when :definition; "d" else "o" end s << c break if c == "d" or num_e > 1 end s end