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require "strscan"
module Bundler
class LockfileParser
attr_reader :sources, :dependencies, :specs
# Do stuff
def initialize(lockfile)
@sources = []
@dependencies = []
@specs = []
lockfile.split(/\n+/).each do |line|
case line
when "sources:"
@state = :source
when "dependencies:"
@state = :dependencies
when "specs:"
@state = :specs
else
send("parse_#{@state}", line)
end
end
end
private
TYPES = {
"git" => Bundler::Source::Git,
"gem" => Bundler::Source::Rubygems,
"path" => Bundler::Source::Path
}
def parse_source(line)
@sources << parse_source_line(line)
end
def parse_source_line(line)
type, source, option_line = line.match(/^\s+(\w+): ([^\s]*?)(?: (.*))?$/).captures
options = extract_options(option_line)
TYPES[type].from_lock(source, options)
end
NAME_VERSION = '(?! )(.*?)(?: \((.*)\))?:?'
def parse_dependencies(line)
if line =~ %r{^ {2}#{NAME_VERSION}$}
name, version = $1, $2
@current = Bundler::Dependency.new(name, version)
@dependencies << @current
else
@current.source = parse_source_line(line)
end
end
def parse_specs(line)
if line =~ %r{^ {2}#{NAME_VERSION}$}
@current = LazySpecification.new($1, $2)
@specs << @current
else
line =~ %r{^ {4}#{NAME_VERSION}$}
@current.dependencies << Gem::Dependency.new($1, $2)
end
end
def extract_options(line)
options = {}
return options unless line
line.scan(/(\w+):"((?:|.*?[^\\])(?:\\\\)*)" ?/) do |k,v|
options[k] = v
end
options
end
end
end
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