Class: String
- Inherits:
-
Object
- Object
- String
- Defined in:
- lib/nub/core.rb
Overview
Monkey patch string with some useful methods
Instance Method Summary collapse
-
#erb(vars = {}) ⇒ Object
Easily inject ERB variables into a string.
-
#erb!(vars = {}) ⇒ Object
Easily inject ERB variables into a string.
-
#strip_color ⇒ Object
Strip the ansi color codes from the given string.
-
#to_ascii ⇒ Object
Convert the string to ascii, stripping out or converting all non-ascii characters.
-
#tokenize_color ⇒ Object
Tokenize the given colorized string.
Instance Method Details
#erb(vars = {}) ⇒ Object
Easily inject ERB variables into a string
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# File 'lib/nub/core.rb', line 153 def erb(vars = {}) ERBResolve.new(vars).resolve(self) end |
#erb!(vars = {}) ⇒ Object
Easily inject ERB variables into a string
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# File 'lib/nub/core.rb', line 159 def erb!(vars = {}) ERBResolve.new(vars).resolve!(self) end |
#strip_color ⇒ Object
Strip the ansi color codes from the given string
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# File 'lib/nub/core.rb', line 176 def strip_color return self.gsub(/\e\[0;[39]\d;49m/, '').gsub(/\e\[0m/, '') end |
#to_ascii ⇒ Object
Convert the string to ascii, stripping out or converting all non-ascii characters
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# File 'lib/nub/core.rb', line 164 def to_ascii = { :invalid => :replace, :undef => :replace, :replace => '', :universal_newline => true } return self.encode(Encoding.find('ASCII'), ) end |
#tokenize_color ⇒ Object
Tokenize the given colorized string
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# File 'lib/nub/core.rb', line 182 def tokenize_color tokens = [] matches = self.to_enum(:scan, /\e\[0;[39]\d;49m(.*?[\s]*)\e\[0m/).map{Regexp.last_match} i, istart, iend = 0, 0, 0 match = matches[i] while istart < self.size color = "39" iend = self.size token = self[istart..iend] # Current token is not a match if match && match.begin(0) != istart iend = match.begin(0)-1 token = self[istart..iend] istart = iend + 1 # Current token is a match elsif match && match.begin(0) == istart iend = match.end(0) token = match.captures.first color = match.to_s[/\e\[0;(\d+);49m.*/, 1] i += 1; match = matches[i] istart = iend # Ending else istart = iend end # Create token and advance tokens << ColorPair.new(token, color.to_i, ColorMap[color.to_i]) end return tokens end |