initial commit

.gitignore

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+*.*~

lib/strgen.coffee

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+module.exports = class StrGen
+
+	# the length of the generated string
+	@strLength = 64
+
+	# available character sets
+	@chars = 
+		"abc": "abcdefghijklmnopqrstuvwxyz"
+		"ABC": "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+		"digits": "0123456789"
+		"special_email": "-_."
+		"special_other": "@|:;#~'`?}{][&%$§!><+*/()"
+
+	@alphabet = ""
+
+	# generates the random string
+	@generate: () ->
+		resultStr = ""
+		for i in [0..@strLength-1]
+			randNum = Math.floor(Math.random() * @alphabet.length);
+			resultStr += @alphabet[randNum];
+		resultStr			
+
+
+	# define the length of the generated string
+	@setLength: (len) ->
+		throw new Error "String length must be at least 2, "+len+" given" if len < 2
+		@strLength = len
+
+	# define the alphabet of the generated string
+	@setAlphabet: (alphabet) ->
+		switch alphabet
+			when "ascii" then @alphabet = (String.fromCharCode(num) for num in [33..255] when num isnt 127)
+			when "email" then @alphabet = @chars.abc.concat @chars.ABC.concat @chars.digits.concat @chars.special_email
+			when "typical" then @alphabet = @chars.abc.concat @chars.ABC.concat @chars.digits.concat @chars.special_email.concat @chars.special_other
+			else @alphabet = alphabet
+
+