class Gem::RequestSet::Lockfile::Tokenizer

# File rubygems/request_set/lockfile/tokenizer.rb, line 9
def self.from_file(file)
  new File.read(file), file
end

# File rubygems/request_set/lockfile/tokenizer.rb, line 13
def initialize(input, filename = nil, line = 0, pos = 0)
  @line     = line
  @line_pos = pos
  @tokens   = []
  @filename = filename
  tokenize input
end

# File rubygems/request_set/lockfile/tokenizer.rb, line 41
def empty?
  @tokens.empty?
end

# File rubygems/request_set/lockfile/tokenizer.rb, line 21
def make_parser(set, platforms)
  Gem::RequestSet::Lockfile::Parser.new self, set, platforms, @filename
end

# File rubygems/request_set/lockfile/tokenizer.rb, line 49
def next_token
  @tokens.shift
end

# File rubygems/request_set/lockfile/tokenizer.rb, line 54
def peek
  @tokens.first || EOF
end

# File rubygems/request_set/lockfile/tokenizer.rb, line 29
def skip(type)
  @tokens.shift while not @tokens.empty? and peek.type == type
end

# File rubygems/request_set/lockfile/tokenizer.rb, line 25
def to_a
  @tokens.map { |token| [token.type, token.value, token.column, token.line] }
end

# File rubygems/request_set/lockfile/tokenizer.rb, line 45
def unshift(token)
  @tokens.unshift token
end