Class: Utils::Grepper
- Includes:
- Term::ANSIColor, Tins::Find, Patterns
- Defined in:
- lib/utils/grepper.rb
Defined Under Namespace
Classes: Queue
Instance Attribute Summary collapse
-
#paths ⇒ Object
readonly
Returns the value of attribute paths.
-
#pattern ⇒ Object
readonly
Returns the value of attribute pattern.
Instance Method Summary collapse
-
#initialize(opts = {}) ⇒ Grepper
constructor
A new instance of Grepper.
- #match(filename) ⇒ Object
- #match_lines(file) ⇒ Object
- #search ⇒ Object
Methods included from Patterns
Constructor Details
#initialize(opts = {}) ⇒ Grepper
Returns a new instance of Grepper.
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# File 'lib/utils/grepper.rb', line 28 def initialize(opts = {}) @args = opts[:args] || {} @roots = discover_roots(opts[:roots]) @config = opts[:config] || Utils::ConfigFile.new if n = @args.values_at(*%w[A B C]).compact.first if n.to_s =~ /\A\d+\Z/ and (n = n.to_i) >= 1 @queue = Queue.new n else raise ArgumentError, "needs to be an integer number >= 1" end end @paths = [] pattern_opts = opts.subhash(:pattern) | { :cset => @args[?a], :icase => @args[?i] != ?n, } @pattern = choose(@args[?p], pattern_opts, default: ?r) @name_pattern = if name_pattern = @args[?N] RegexpPattern.new(:pattern => name_pattern) elsif name_pattern = @args[?n] FuzzyPattern.new(:pattern => name_pattern) end @skip_pattern = if skip_pattern = @args[?S] RegexpPattern.new(:pattern => skip_pattern) elsif skip_pattern = @args[?s] FuzzyPattern.new(:pattern => skip_pattern) end end |
Instance Attribute Details
#paths ⇒ Object (readonly)
Returns the value of attribute paths.
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# File 'lib/utils/grepper.rb', line 59 def paths @paths end |
#pattern ⇒ Object (readonly)
Returns the value of attribute pattern.
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# File 'lib/utils/grepper.rb', line 61 def pattern @pattern end |
Instance Method Details
#match(filename) ⇒ Object
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# File 'lib/utils/grepper.rb', line 63 def match(filename) @filename = filename @output = [] bn, s = File.basename(filename), File.stat(filename) if !s || s.directory? && @config.search.prune?(bn) @args[?v] and warn "Pruning #{filename.inspect}." prune end if s.file? && !@config.search.skip?(bn) && (!@name_pattern || @name_pattern.match(bn)) then File.open(filename, 'rb', encoding: Encoding::UTF_8) do |file| if @args[?b] && !@args[?g] || file.binary? != true @args[?v] and warn "Matching #{filename.inspect}." if @args[?f] @output << filename else match_lines file end else @args[?v] and warn "Skipping binary file #{filename.inspect}." end end else @args[?v] and warn "Skipping #{filename.inspect}." end unless @output.empty? case when @args[?g] @output.uniq! @output.each do |l| blamer = LineBlamer.for_line(l) if blame = blamer.perform = nil blame.sub!(/^[0-9a-f^]+/) { Term::ANSIColor.yellow($&) } blame.sub!(/\(([^)]+)\)/) { = $1; "(#{Term::ANSIColor.red($1)})" } if !@args[?G] || &.downcase&.match?(@args[?G].downcase) puts "#{blame.chomp} #{Term::ANSIColor.blue(l)}" end end end when @args[?l], @args[?e], @args[?E], @args[?r] @output.uniq! @paths.concat @output else STDOUT.puts @output end @output.clear end self end |
#match_lines(file) ⇒ Object
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# File 'lib/utils/grepper.rb', line 115 def match_lines(file) for line in file if m = @pattern.match(line) @skip_pattern and @skip_pattern =~ line and next line[m.begin(0)...m.end(0)] = black on_white m[0] @queue and @queue << line case when @args[?l] @output << @filename when @args[?L], @args[?r], @args[?g] @output << "#{@filename}:#{file.lineno}" when @args[?e], @args[?E] @output << "#{@filename}:#{file.lineno}" break else @output << red("#{@filename}:#{file.lineno}") if @args[?B] or @args[?C] @output.concat @queue.data else @output << line end if @args[?A] or @args[?C] where = file.tell lineno = file.lineno @queue.max_size.times do file.eof? and break line = file.readline @queue << line @output << line end file.seek where file.lineno = lineno end end else @queue and @queue << line end end end |
#search ⇒ Object
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# File 'lib/utils/grepper.rb', line 155 def search suffixes = Array(@args[?I]) visit = -> filename { s = filename.lstat bn = filename.pathname.basename if !s || s.directory? && @config.search.prune?(bn) || (s.file? || s.symlink?) && @config.search.skip?(bn) || @args[?F] && s.symlink? then @args[?v] and warn "Pruning #{filename.inspect}." prune elsif suffixes.empty? true else suffixes.include?(filename.suffix) end } find(*@roots, visit: visit) do |filename| match(filename) end @paths = @paths.sort_by(&:source_location) self end |