Contents

module OhlohScm::Parsers
	# This parser processes Mercurial logs which have been generated using a custom style.
	# This custom style provides additional information required by Ohloh.
	class HgStyledParser < Parser
		def self.scm
			'hg'
		end

		# Use when you want to include diffs
		def self.verbose_style_path
			File.expand_path(File.join(File.dirname(__FILE__), 'hg_verbose_style'))
		end

		# Use when you do not want to include diffs
		def self.style_path
			File.expand_path(File.join(File.dirname(__FILE__), 'hg_style'))
		end

		def self.internal_parse(buffer, opts)
			e = nil
			state = :data

			buffer.each_line do |l|
				next_state = state
				if state == :data
					case l
					when /^changeset:\s+([0-9a-f]+)/
						e = Scm::Commit.new
						e.diffs = []
						e.token = $1
					when /^user:\s+(.+?)(\s+<(.+)>)?$/
						e.committer_name = $1
						e.committer_email = $3
					when /^date:\s+([\d\.]+)/
						e.committer_date = Time.at($1.to_f).utc
					when "__BEGIN_FILES__\n"
						next_state = :files
					when "__BEGIN_COMMENT__\n"
						next_state = :long_comment
					when "__END_COMMIT__\n"
						yield e if block_given?
						e = nil
					end

				elsif state == :files
					if l == "__END_FILES__\n"
						next_state = :data
					elsif l =~ /^([MAD]) (.+)$/
						e.diffs << Scm::Diff.new(:action => $1, :path => $2)
					end

				elsif state == :long_comment
					if l == "__END_COMMENT__\n"
						next_state = :data
					else
						e.message ||= ''
						e.message << l
					end
				end
				state = next_state
			end
		end
	end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
ohloh_scm-2.0.0	lib/ohloh_scm/parsers/hg_styled_parser.rb