Class: Carbuncle::File

Inherits:
Object show all
Defined in:
gems/carbuncle-core/mrblib/file.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.join(*names) ⇒ Object 



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# File 'gems/carbuncle-core/mrblib/file.rb', line 17

def join(*names)
  return '' if names.empty?

  names.filter!(&:present?)
  names.map! do |name|
    case name
    when String
      name
    when Array
      raise ArgumentError, 'recursive array' if names == name

      join(*name)
    else
      raise TypeError, "no implicit conversion of #{name.class} into String"
    end
  end
  return names[0] if names.size == 1

  s =
    if names[0][-1] == Carbuncle::File::SEPARATOR
      names[0][0..-2]
    else
      names[0].dup
    end

  (1..names.size - 2).each do |i|
    t = names[i]
    if t[0] == Carbuncle::File::SEPARATOR && t[-1] == Carbuncle::File::SEPARATOR
      t = t[1..-2]
    elsif t[0] == Carbuncle::File::SEPARATOR
      t = t[1..-1]
    elsif t[-1] == Carbuncle::File::SEPARATOR
      t = t[0..-2]
    end
    s += Carbuncle::File::SEPARATOR + t if t != ''
  end
  s +=
    if names[-1][0] == Carbuncle::File::SEPARATOR
      Carbuncle::File::SEPARATOR + names[-1][1..-1]
    else
      Carbuncle::File::SEPARATOR + names[-1]
    end
  s
end

.read(path, *opts) ⇒ Object 



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# File 'gems/carbuncle-core/mrblib/file.rb', line 95

def read(path, *opts)
  result = nil
  self.open(path, 'r') { |f| result = f.read(*opts) }
  result
end

.readlines(name, *args) ⇒ Object 



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# File 'gems/carbuncle-core/mrblib/file.rb', line 62

def readlines(name, *args)
  open_args = [name]
  read_args = []
  case args.size
  when 3
    open_args = [name, args[2]]
    read_args = [args[0], args[1]]
  when 2
    if args[0].is_a?(String)
      open_args = [name, args[1]]
      read_args = [args[0]]
    else
      read_args = args
    end
  when 1
    read_args = args
  when 0
    # Default values
  else
    raise ArgumentError, 'Invalid number of arguments'
  end
  fp = self.open(*open_args)
  lines = fp.readlines(*read_args)
  fp.close
  lines
end

.require(file) ⇒ Object 



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# File 'gems/carbuncle-core/mrblib/file.rb', line 4

def require(file)
  @required_files ||= {}
  name = file.to_s
  return false if @required_files[name]

  self.load(file)
  @required_files[name] = true
end

.required_files ⇒ Object 



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# File 'gems/carbuncle-core/mrblib/file.rb', line 13

def required_files
  @required_files.keys
end

.write(path, content, open_args = 'w') ⇒ Object 



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# File 'gems/carbuncle-core/mrblib/file.rb', line 89

def write(path, content, open_args = 'w')
  result = nil
  self.open(path, open_args) { |f| result = f.write(content) }
  result
end

Instance Method Details

#readlines(arg1 = nil, arg2 = nil) ⇒ Object 



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# File 'gems/carbuncle-core/mrblib/file.rb', line 102

def readlines(arg1 = nil, arg2 = nil)
  limit, sep = -1, "\n"
  if arg2
    limit = arg2
    sep = arg1 || sep
  elsif arg1
    if arg1.is_a?(Numeric)
      limit = arg1
    else
      sep = arg1
    end
  end
  [].tap do |lines|
    line = readline(sep)
    while line && (limit == -1 || limit < lines.length)
      lines.push(line)
      line = readline(sep)
    end
  end
end