Remove temporary flex stuff

1 files changed, 79 insertions, 0 deletions

diff --git a/lib/bundler/lockfile_parser.rb b/lib/bundler/lockfile_parser.rb
new file mode 100644
index 00000000..572791d8
--- /dev/null
+++ b/lib/bundler/lockfile_parser.rb
@@ -0,0 +1,79 @@
+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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