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arangodb/3rdParty/mruby/mrblib/string.rb

94 lines
1.6 KiB
Ruby

#
# String
#
class String
# 15.2.10.5.15
def each_line(&block)
# expect that str.index accepts an Integer for 1st argument as a byte data
offset = 0
while(pos = self.index(0x0a, offset))
block.call(self[offset, pos + 1 - offset])
offset = pos + 1
end
block.call(self[offset, self.size - offset]) if self.size > offset
self
end
# 15.2.10.5.18
def gsub(*args, &block)
unless (args.size == 1 && block) || args.size == 2
raise ArgumentError, "wrong number of arguments"
end
### *** TODO *** ###
end
# 15.2.10.5.19
def gsub!(*args, &block)
str = self.gsub(*args, &block)
if str != self
self.replace(str)
self
else
nil
end
end
# 15.2.10.5.32
def scan(reg, &block)
### *** TODO *** ###
end
# 15.2.10.5.36
def sub(*args, &block)
unless (args.size == 1 && block) || args.size == 2
raise ArgumentError, "wrong number of arguments"
end
### *** TODO *** ###
end
# 15.2.10.5.37
def sub!(*args, &block)
str = self.sub(*args, &block)
if str != self
self.replace(str)
self
else
nil
end
end
def each_char(&block)
pos = 0
while(pos < self.size)
block.call(self[pos])
pos += 1
end
self
end
def each_byte(&block)
bytes = self.unpack("C*")
pos = 0
while(pos < bytes.size)
block.call(bytes[pos])
pos += 1
end
self
end
def []=(pos, value)
b = self[0, pos]
a = self[pos+1..-1]
p [b, value, a].join('')
self.replace([b, value, a].join(''))
end
end
# include modules
module Comparable; end
class String
include Comparable
end