Sha256: fb09eea8cd6a99ffcb02ef53bf8fd7df2a33ad13c2d8e44ef2838a70b4572ae7
Contents?: true
Size: 1.24 KB
Versions: 34
Compression:
Stored size: 1.24 KB
Contents
module Bmg
module Reader
class TextFile
include Reader
DEFAULT_OPTIONS = {
strip: true,
parse: nil
}
def initialize(type, path, options = {})
options = { parse: options } if options.is_a?(Regexp)
@path = path
@options = DEFAULT_OPTIONS.merge(options)
@type = infer_type(type)
end
attr_reader :path, :options
public # Relation
def each
path.each_line.each_with_index do |text, line|
text = text.strip if strip?
parsed = parse(text)
yield({line: 1+line}.merge(parsed)) if parsed
end
end
private
def infer_type(base)
return base unless base == Bmg::Type::ANY
attr_list = if rx = options[:parse]
[:line] + rx.names.map(&:to_sym)
else
[:line, :text]
end
base
.with_attrlist(attr_list)
.with_keys([[:line]])
end
def strip?
options[:strip]
end
def parse(text)
return { text: text } unless rx = options[:parse]
if match = rx.match(text)
TupleAlgebra.symbolize_keys(match.named_captures)
end
end
end # class TextFile
end # module Reader
end # module Bmg
Version data entries
34 entries across 34 versions & 1 rubygems