Sha256: 0dac31c53c23b9f75803b914d0598a55d5ab54d4e7a70f65a5f742b68fb1ce78
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Size: 970 Bytes
Versions: 52
Compression:
Stored size: 970 Bytes
Contents
module Hamlit
module Filters
class Base
attr_reader :options
def self.indent_source(source, indent_width: 0)
lines = source.split("\n")
self.new.compile_lines(lines, indent_width: indent_width)
end
def initialize(options = {})
@options = options
end
def compile(lines)
raise NotImplementedError
end
def compile_lines(lines, indent_width: 0)
base = (lines.first || '').index(/[^\s]/) || 0
width = indent_width - base
width = 0 if width < 0
lines = strip_last(lines).map do |line|
' ' * width + line
end
text = lines.join("\n") + "\n"
text
end
private
# NOTE: empty line is reserved for preserve filter.
def strip_last(lines)
lines = lines.dup
while lines.last && lines.last.length == 0
lines.delete_at(-1)
end
lines
end
end
end
end
Version data entries
52 entries across 52 versions & 1 rubygems