module Textpow

# File lib/textpow.rb, line 16
def self.syntax(syntax_name)
  syntax_name = syntax_name.downcase
  if @@syntax.has_key?(syntax_name)
    @@syntax[syntax_name]
  else
    @@syntax[syntax_name] = uncached_syntax(syntax_name)
  end
end

# File lib/textpow.rb, line 11
def self.syntax_path
  File.join(File.dirname(__FILE__), 'textpow', 'syntax')
end

# File lib/textpow.rb, line 41
def self.find_syntax_by_fuzzy_name(name)
  path = Dir.glob(File.join(syntax_path, "*.#{name}.*")).sort_by(&:size).first
  path if path and File.exist?(path)
end

# File lib/textpow.rb, line 46
def self.find_syntax_by_path(path)
  path if File.file?(path)
end

# File lib/textpow.rb, line 36
def self.find_syntax_by_scope_name(name)
  path = File.join(syntax_path, "#{name}.syntax")
  path if File.exist?(path)
end

# File lib/textpow.rb, line 27
def self.uncached_syntax(name)
  path = (
    find_syntax_by_path(name) ||
    find_syntax_by_scope_name(name) ||
    find_syntax_by_fuzzy_name(name)
  )
  SyntaxNode.load(path) if path
end