Module: Ramaze::CoreExtensions::String

Defined in:
lib/ramaze/snippets/string/esc.rb,
lib/ramaze/snippets/string/color.rb,
lib/ramaze/snippets/string/unindent.rb,
lib/ramaze/snippets/string/camel_case.rb,
lib/ramaze/snippets/string/snake_case.rb

Overview

Extensions for String

Instance Method Summary collapse

Instance Method Details

#camel_case ⇒ Object

Simple transformation to CamelCase from snake_case

Examples:

'foo_bar'.camel_case # => 'FooBar'


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# File 'lib/ramaze/snippets/string/camel_case.rb', line 14

def camel_case
  split('_').map{|e| e.capitalize}.join
end

#escape(which = :html) ⇒ Object Also known as: esc

String#escape is an extensible escaping mechanism for string. currently it suports

'<div>foo bar</div>'.esc(:html)
'foo bar'.esc(:uri)
'foo bar'.esc(:cgi)



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# File 'lib/ramaze/snippets/string/esc.rb', line 13

def escape which = :html
  case which
  when :html
    Rack::Utils.escape_html(self)
  when :cgi
    Rack::Utils.escape(self)
  when :uri
    ::URI.escape(self)
  else
    raise ArgumentError, "do not know how to escape '#{ which }'"
  end
end

#snake_case ⇒ Object

convert to snake_case from CamelCase

Examples:

'FooBar'.snake_case # => 'foo_bar'


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# File 'lib/ramaze/snippets/string/snake_case.rb', line 13

def snake_case
  gsub(/\B[A-Z][^A-Z]/, '_\&').downcase.gsub(' ', '_')
end

#unindent ⇒ Object Also known as: ui

Useful for writing indented String and unindent on demand, based on the first line with indentation.



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# File 'lib/ramaze/snippets/string/unindent.rb', line 7

def unindent
  find_indent = proc{ |l| l.find{|l| !l.strip.empty?}.to_s[/^(\s+)/, 1] }

  lines = self.split("\n")
  space = find_indent[lines]
  space = find_indent[lines.reverse] unless space

  strip.gsub(/^#{space}/, '')
end

#unindent! ⇒ Object Also known as: ui!

Destructive variant of undindent, replacing the String



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# File 'lib/ramaze/snippets/string/unindent.rb', line 19

def unindent!
  self.replace unindent
end