Class: String

Inherits:
Object
  • Object
show all
Defined in:
lib/string_extensions_refi.rb

Instance Method Summary collapse

Instance Method Details

#acronymize ⇒ Object

creates an aconym from a string



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# File 'lib/string_extensions_refi.rb', line 6

def acronymize
	return self.gsub(/(([a-zA-Z0-9])([a-zA-Z0-9])*)./,"\\2")
end

#blob_to_hash ⇒ Object

this method is very likely removed soon blob_to_hash allows this: tmp = <<eof metadata: create table metadata( nam string,

primary key(nam) ); sheet: create table sheet( id integer, nam string, ); some_name: tblah t+blup n ttub other_name: tfoo eof a_hash = tmp.blob_to_hash puts a_hash



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# File 'lib/string_extensions_refi.rb', line 34

def blob_to_hash
	tmp = {}
	scan(/^(.+): *\n(((\t.*\n)|(\n))*)/){|m|
		name = m[0]
		value = m[1].strip_a_lot
		tmp[name] = value 
	}
	tmp
end

#strip_a_lot ⇒ Object

substitutes all tabs, newlines and multiple spaces with a single space (and removes leading and trailing spaces after that)



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# File 'lib/string_extensions_refi.rb', line 47

def strip_a_lot
	#return self.gsub(/\t|\n/," ").gsub(/  +/," ").strip
	return self.gsub(/[\t\n ]+/," ").strip
end

#unescape_c_string ⇒ Object

(s)



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# File 'lib/string_extensions_refi.rb', line 53

def unescape_c_string #(s)
	s = self
	state = 0

   # this speeds things up a lot if no backslashes are used at all
	unless s.index("\\")
		return s
	else
		# TODO the index could be used to speed things up...
	end
	res = ''
	s.each_char { |c|
		case state
		when 0
			case c
			when "\\" then state = 1
			else res << c
			end
		when 1
			case c
			when "\\" then res << "\\" ; state = 0
			when '"' then res << "\"" ; state = 0
			when 'n' then res << "\n" ; state = 0
			when 't' then res << "\t" ; state = 0
			else res << "\\" ; res << c ; state = 0
			end
		end
	}
	return res
end