class Gem::RequestSet::Lockfile::Tokenizer

Constants

EOF
Token

Public Class Methods

from_file (file)

# File lib/rubygems/request_set/lockfile/tokenizer.rb, line 10
def self.from_file(file)
  new File.read(file), file
end

new (input, filename = nil, line = 0, pos = 0)

# File lib/rubygems/request_set/lockfile/tokenizer.rb, line 14
def initialize(input, filename = nil, line = 0, pos = 0)
  @line     = line
  @line_pos = pos
  @tokens   = []
  @filename = filename
  tokenize input
end

Public Instance Methods

empty? ()

# File lib/rubygems/request_set/lockfile/tokenizer.rb, line 42
def empty?
  @tokens.empty?
end

make_parser (set, platforms)

# File lib/rubygems/request_set/lockfile/tokenizer.rb, line 22
def make_parser(set, platforms)
  Gem::RequestSet::Lockfile::Parser.new self, set, platforms, @filename
end

next_token ()

# File lib/rubygems/request_set/lockfile/tokenizer.rb, line 50
def next_token
  @tokens.shift
end

Also aliased as: shift

peek ()

# File lib/rubygems/request_set/lockfile/tokenizer.rb, line 55
def peek
  @tokens.first || EOF
end

shift ()

Alias for: next_token

skip (type)

# File lib/rubygems/request_set/lockfile/tokenizer.rb, line 30
def skip(type)
  @tokens.shift while !@tokens.empty? && peek.type == type
end

to_a ()

# File lib/rubygems/request_set/lockfile/tokenizer.rb, line 26
def to_a
  @tokens.map {|token| [token.type, token.value, token.column, token.line] }
end

unshift (token)

# File lib/rubygems/request_set/lockfile/tokenizer.rb, line 46
def unshift(token)
  @tokens.unshift token
end