Redmine/lib/redmine/core_ext/string/conversions.rb

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# Redmine - project management software
# Copyright (C) 2006-2014 Jean-Philippe Lang
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
module Redmine #:nodoc:
module CoreExtensions #:nodoc:
module String #:nodoc:
# Custom string conversions
module Conversions
# Parses hours format and returns a float
def to_hours
s = self.dup
s.strip!
if s =~ %r{^(\d+([.,]\d+)?)h?$}
s = $1
else
# 2:30 => 2.5
s.gsub!(%r{^(\d+):(\d+)$}) { $1.to_i + $2.to_i / 60.0 }
# 2h30, 2h, 30m => 2.5, 2, 0.5
s.gsub!(%r{^((\d+)\s*(h|hours?))?\s*((\d+)\s*(m|min)?)?$}i) { |m| ($1 || $4) ? ($2.to_i + $5.to_i / 60.0) : m[0] }
end
# 2,5 => 2.5
s.gsub!(',', '.')
begin; Kernel.Float(s); rescue; nil; end
end
# Object#to_a removed in ruby1.9
if RUBY_VERSION > '1.9'
def to_a
[self.dup]
end
end
end
end
end
end