Class: Test::Unit::CodeSnippetFetcher
Relationships & Source Files | |
Inherits: | Object |
Defined in: | lib/test/unit/code-snippet-fetcher.rb |
Class Method Summary
- .new ⇒ CodeSnippetFetcher constructor
Instance Method Summary
Constructor Details
.new ⇒ CodeSnippetFetcher
# File 'lib/test/unit/code-snippet-fetcher.rb', line 4
def initialize @sources = {} end
Instance Method Details
#detect_encoding(first_line) (private)
[ GitHub ]# File 'lib/test/unit/code-snippet-fetcher.rb', line 43
def detect_encoding(first_line) return nil unless first_line.respond_to?(:ascii_only?) return nil unless first_line.ascii_only? if /\b(?:en)?coding[:=]\s*([a-z\d_-]+)/i =~ first_line begin Encoding.find($1) rescue ArgumentError nil end else nil end end
#fetch(path, line, options = {})
[ GitHub ]# File 'lib/test/unit/code-snippet-fetcher.rb', line 8
def fetch(path, line, ={}) n_context_line = [:n_context_line] || 3 lines = source(path) return [] if lines.nil? min_line = [line - n_context_line, 1].max max_line = [line + n_context_line, lines.length].min window = min_line..max_line window.collect do |n| attributes = {:target_line? => (n == line)} [n, lines[n - 1].chomp, attributes] end end
#read_source(path) (private)
[ GitHub ]# File 'lib/test/unit/code-snippet-fetcher.rb', line 26
def read_source(path) return nil unless File.exist?(path) lines = [] File.open(path) do |file| first_line = file.gets break if first_line.nil? encoding = detect_encoding(first_line) if encoding first_line.force_encoding(encoding) file.set_encoding(encoding, encoding) end lines << first_line lines.concat(file.readlines) end lines end
#source(path)
[ GitHub ]# File 'lib/test/unit/code-snippet-fetcher.rb', line 21
def source(path) @sources[path] ||= read_source(path) end