Class: String

Inherits:
Object
  • Object
show all
Defined in:
lib/stella/core_ext.rb,
lib/stella/core_ext.rb

Overview

Assumes Time::Units and Numeric mixins are available.

Instance Method Summary collapse

Instance Method Details

#encode_fix(enc = "UTF-8") ⇒ Object 



125
126
127
128
129
130
131
132
133
134
135
 
# File 'lib/stella/core_ext.rb', line 125

def encode_fix(enc="UTF-8")
  if RUBY_VERSION >= "1.9"
    begin
      encode!(enc, :undef => :replace, :invalid => :replace, :replace => '?')
    rescue Encoding::CompatibilityError
      BS.info "String#encode_fix: resorting to US-ASCII"
      encode!("US-ASCII", :undef => :replace, :invalid => :replace, :replace => '?')
    end
  end
  self
end

#in_seconds ⇒ Object 



115
116
117
118
119
120
 
# File 'lib/stella/core_ext.rb', line 115

def in_seconds
  # "60m" => ["60", "m"]
  q,u = self.scan(/([\d\.]+)([s,m,h])?/).flatten
  q &&= q.to_f and u ||= 's'
  q &&= q.in_seconds(u)
end

#linkify ⇒ Object 



166
167
168
 
# File 'lib/stella/core_ext.rb', line 166

def linkify
   self.dup.linkify!
end

#linkify! ⇒ Object

via: www.est1985.nl/design/2-design/96-linkify-urls-in-ruby-on-rails



153
154
155
156
157
158
159
160
161
162
163
164
 
# File 'lib/stella/core_ext.rb', line 153

def linkify!
  self.gsub!(/\b((https?:\/\/|ftps?:\/\/|mailto:|www\.|status\.)([A-Za-z0-9\-_=%&@\?\.\/]+(\/\s)?))\b/) {
    match = $1
    tail  = $3
    case match
    when /^(www|status)/     then  "<a href=\"http://#{match.strip}\">#{match}</a>"
    when /^mailto/  then  "<a href=\"#{match.strip}\">#{tail}</a>"
    else                  "<a href=\"#{match.strip}\">#{match}</a>"
    end
  }
  self
end

#plural(int = 1) ⇒ Object 



136
137
138
 
# File 'lib/stella/core_ext.rb', line 136

def plural(int=1)
  int > 1 || int.zero? ? "#{self}s" : self
end

#shorten(len = 50) ⇒ Object 



139
140
141
142
 
# File 'lib/stella/core_ext.rb', line 139

def shorten(len=50)
  return self if size <= len
  self[0..len] + "..."
end

#to_file(filename, mode, chmod = 0744) ⇒ Object 



143
144
145
146
147
148
149
150
 
# File 'lib/stella/core_ext.rb', line 143

def to_file(filename, mode, chmod=0744)
  mode = (mode == :append) ? 'a' : 'w'
  f = File.open(filename,mode)
  f.puts self
  f.close
  raise "Provided chmod is not a Fixnum (#{chmod})" unless chmod.is_a?(Fixnum)
  File.chmod(chmod, filename)
end