Sha256: 8a1ce125e14e32b87df423e8cdbbc15e608d668da9d5193d9dbe0e7d0b0538c3
Contents?: true
Size: 959 Bytes
Versions: 222
Compression:
Stored size: 959 Bytes
Contents
# Adapted from https://github.com/whitequark/parser/blob/master/lib/parser/source/buffer.rb
module CC
module Analyzer
class SourceBuffer
attr_reader :name
attr_reader :source
def initialize(name, source)
@name = name
@source = source
end
def decompose_position(position)
line_no, line_begin = line_for(position)
[1 + line_no, position - line_begin]
end
def line_count
@source.lines.count
end
private
def line_for(position)
line_begins.bsearch do |_, line_begin|
line_begin <= position
end
end
def line_begins
unless @line_begins
@line_begins = [[0, 0]]
index = 1
@source.each_char do |char|
@line_begins.unshift [@line_begins.length, index] if char == "\n"
index += 1
end
end
@line_begins
end
end
end
end
Version data entries
222 entries across 222 versions & 2 rubygems