Class: Spider::I18n::CLDR

Inherits:
Provider show all
Defined in:
lib/spiderfw/i18n/cldr.rb

Overview

Formats: short, medium, full, long

Instance Method Summary collapse

Methods inherited from Provider

#default_calendar, #localize

Constructor Details

#initialize(locale) ⇒ CLDR

Returns a new instance of CLDR.



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# File 'lib/spiderfw/i18n/cldr.rb', line 10

def initialize(locale)
    @locale = locale
    @cldr = ::CLDR::Object.new(:locale => locale.to_cldr)

end

Instance Method Details

#day_names(format = :wide, calendar = self.default_calendar) ⇒ Object 



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# File 'lib/spiderfw/i18n/cldr.rb', line 118

def day_names(format = :wide, calendar = self.default_calendar)
    begin
        days = @cldr.calendar.days[calendar][format]
        return [days['sun'], days['mon'], days['tue'], days['wed'], days['thu'], days['fri'], days['sat']]
    rescue NoMethodError
        raise ArgumentError, "Calendar #{calendar} not found" unless @cldr.days[calendar]
        raise ArgumentError, "Format #{format} not found"
    end
    
end

#list(enumerable) ⇒ Object 



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# File 'lib/spiderfw/i18n/cldr.rb', line 188

def list(enumerable)
    return enumerable.join(', ') unless @cldr.core.respond_to?(:list_patterns) # old cldr version
    patterns = @cldr.core.list_patterns
    str = ""

    def sub_pattern(pattern, items)
        str = pattern.clone
        items.each_index do |i|
            str.sub!("{#{i}}", items[i])
        end
        str
    end
    if pattern = patterns[enumerable.length.to_s]
        return sub_pattern(pattern, enumerable)
    end
    length = enumerable.length
    str = enumerable.last.to_s
    (length-2).downto(0) do |i|
        pattern = nil
        if i == length -2
            pattern = patterns['end']
        elsif i == 0
            pattern = patterns['start']
        end
        pattern ||= patterns['middle']
        str = sub_pattern(pattern, [enumerable[i].to_s, str])
    end
    return str

end

#localize_date_time(object, format = 'medium', options = {}) ⇒ Object 



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# File 'lib/spiderfw/i18n/cldr.rb', line 16

def localize_date_time(object, format = 'medium', options={})
    options[:calendar] ||= 'gregorian'
    format = 'medium' if format == :default
                
    time_format = nil
    date_format = nil
    format_string = nil
    calendar = options[:calendar].to_sym
    if (object.respond_to?(:sec) && !options[:no_time])
        time_format = @cldr.calendar.timeformats[calendar][format.to_s].dup
    end
    if (object.is_a?(Date))
        date_format = @cldr.calendar.dateformats[calendar][format.to_s].dup
    end
    if (date_format && time_format)
        # in CLDR 1.x, datetimeformats is an hash of strings indexed by strings;
        # in CLDR 2.x, it is a hash of hashes indexed by symbols
        fts = @cldr.calendar.datetimeformats[calendar] || @cldr.calendar.datetimeformats[calendar.to_s]
        dt_f = fts.is_a?(String) ? fts : fts[format.to_s] 
        format_string = dt_f.sub('{1}', date_format).sub('{0}', time_format)
    else
        format_string = date_format ? date_format : time_format
    end

    # FIXME: handle more efficiently
    d = ['sun', 'mon', 'tue', 'wed', 'thu', 'fri', 'sat']
    obj_d = d[object.wday]
    days = @cldr.calendar.days[options[:calendar].to_sym]
    months = @cldr.calendar.months[options[:calendar].to_sym]
    replacements = [
        [/y{1,4}/, '%Y'], # year  don't use two digits year, they cause confusion [/y{1,2}/, '%y']
        [/M{5}/, months[:narrow][object.month.to_s]], [/M{4}/, months[:wide][object.month.to_s]], #month
        [/M{3}/, months[:abbreviated][object.month.to_s]], [/M{1,2}/, '%m'], 
        [/L{5}/, months[:narrow][object.month.to_s]], [/L{4}/, months[:wide][object.month.to_s]], #month
        [/L{3}/, months[:abbreviated][object.month.to_s]], [/L{1,2}/, '%m'], 
        [/E{5}/, days[:narrow][obj_d]], [/E{4}/, days[:wide][obj_d]], [/E{1,3}/, days[:abbreviated][obj_d]], #day of the week
        [/e{1,5}/, '%w'], #day of the week (numeric)
        [/d{1,2}/, '%d'], # day of the month
        [/h{1,2}/, '%I'], [/H{1,2}/, '%H'], [/a/, '%p'], #hour
        [/m{1,2}/, '%M'], [/s{1,2}/, '%S'], # seconds
        [/z{1,4}/, '%Z'], [/Z{1,4}/, '%Z'], [/V{1,4}/, '%Z'] # time zone
    ]
    format_string = mgsub(format_string, replacements)

    if (time_format)
        am = @cldr.calendar.am[options[:calendar].to_s]
        pm = @cldr.calendar.pm[options[:calendar].to_s]
        format_string.gsub!(/%p/, object.hour < 12 ? 'am' : 'pm') if object.respond_to? :hour
    end
    object.strftime(format_string)
end

#localize_number(object, precision = nil, options = {}) ⇒ Object 



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# File 'lib/spiderfw/i18n/cldr.rb', line 176

def localize_number(object, precision=nil, options={})
    delimiter = @cldr.number.symbol_group
    separator = @cldr.number.symbol_decimal
    Spider::I18n.do_localize_number(object, delimiter, separator, precision, options)
end

#mgsub(string, key_value_pairs) ⇒ Object 



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# File 'lib/spiderfw/i18n/cldr.rb', line 110

def mgsub(string, key_value_pairs)
    regexp_fragments = key_value_pairs.collect { |k,v| k }
    string.gsub( 
    Regexp.union(*regexp_fragments)) do |match|
        key_value_pairs.detect{|k,v| k =~ match}[1]
    end
end

#month_names(format = :wide, calendar = self.default_calendar) ⇒ Object 



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# File 'lib/spiderfw/i18n/cldr.rb', line 129

def month_names(format = :wide, calendar = self.default_calendar)
    months = []
    begin
        @cldr.calendar.months[calendar][format].each do |k, v|
            months[k.to_i] = v
        end
    rescue NoMethodError
        raise ArgumentError, "Calendar #{calendar} not found" unless @cldr.months[calendar]
        raise ArgumentError, "Format #{format} not found"
    end
    months
end

#parse_dt(string, format = 'medium', options = {}) ⇒ Object

FIXME: add extended format handling like in localize



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# File 'lib/spiderfw/i18n/cldr.rb', line 69

def parse_dt(string, format = 'medium', options = {})
    format = 'medium' if format == :default
    options[:calendar] ||= 'gregorian'
    
    time_format = @cldr.calendar.timeformats[options[:calendar].to_sym][format.to_s].dup
    date_format = @cldr.calendar.dateformats[options[:calendar].to_sym][format.to_s].dup
    if (options[:return] == :datetime)
        dt_f = @cldr.calendar.datetimeformats[options[:calendar].to_sym][format.to_s]
        format_string = dt_f.sub('{1}', date_format).sub('{0}', time_format)
        klass = DateTime
    elsif (options[:return] == :date)
        format_string = date_format
        klass = Date
    elsif (options[:return] == :time)
        format_string = time_format
        klass = Time
    end
    replacements = [
        [/y{1,4}/, '%Y'], # year      don't use two digits year [/y{1,2}/, '%y'],
        [/M{1,5}/, '%m'],
        [/L{1,5}/, '%m'],
        [/E{1,5}/, ''], #day of the week
        [/e{1,5}/, '%w'], #day of the week (numeric)
        [/d{1,2}/, '%d'], # day of the month
        [/h{1,2}/, '%I'], [/H{1,2}/, '%H'], [/a/, '%p'], #hour
        [/m{1,2}/, '%M'], [/s{1,2}/, '%S'], # seconds
        [/z{1,4}/, '%Z'], [/Z{1,4}/, '%Z'], [/V{1,4}/, '%Z'] # time zone
    ]
    format_string = mgsub(format_string, replacements)
    if options[:return] == :time
        DateTime.strptime("01-01-2000T#{string}#{Time.now.strftime('%Z')}", "%d-%m-%YT#{format_string}%Z").to_local_time
    else
        klass.strptime(string, format_string)
    end
end

#parse_number(string, options = {}) ⇒ Object 



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# File 'lib/spiderfw/i18n/cldr.rb', line 182

def parse_number(string, options={})
    delimiter = @cldr.number.symbol_group
    separator = @cldr.number.symbol_decimal
    Spider::I18n.do_parse_number(string, delimiter, separator, options)
end

#prepare_format_string(obj, string) ⇒ Object 



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# File 'lib/spiderfw/i18n/cldr.rb', line 106

def prepare_format_string(obj, string)
 
end

#sub_pattern(pattern, items) ⇒ Object 



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# File 'lib/spiderfw/i18n/cldr.rb', line 193

def sub_pattern(pattern, items)
    str = pattern.clone
    items.each_index do |i|
        str.sub!("{#{i}}", items[i])
    end
    str
end

#week_start(calendar = self.default_calendar) ⇒ Object 



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# File 'lib/spiderfw/i18n/cldr.rb', line 142

def week_start(calendar = self.default_calendar)
    wdays = ['sun', 'mon', 'tue', 'wed', 'thu', 'fri', 'sat']
    day = if @cldr.respond_to?(:supplemental)
        @cldr.supplemental.week_data["firstDay"]
    elsif @cldr.calendar.respond_to?(:week_firstdays) # CLDR 1
        @cldr.calendar.week_firstdays[calendar.to_s]
    end
    day ||= 'mon'
    wdays.index day
    
end

#weekend_end(calendar = self.default_calendar) ⇒ Object 



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# File 'lib/spiderfw/i18n/cldr.rb', line 165

def weekend_end(calendar = self.default_calendar)
    wdays = ['sun', 'mon', 'tue', 'wed', 'thu', 'fri', 'sat']
    day = if @cldr.respond_to?(:supplemental)
        @cldr.supplemental.week_data["weekendEnd"]
    elsif @cldr.calendar.respond_to?(:weekend_ends) # CLDR 1
        @cldr.calendar.weekend_ends[calendar.to_s]
    end
    day ||= 'sun'
    wdays.index day
end

#weekend_start(calendar = self.default_calendar) ⇒ Object 



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# File 'lib/spiderfw/i18n/cldr.rb', line 154

def weekend_start(calendar = self.default_calendar)
    wdays = ['sun', 'mon', 'tue', 'wed', 'thu', 'fri', 'sat']
    day = if @cldr.respond_to?(:supplemental)
        @cldr.supplemental.week_data["weekendStart"]
    elsif @cldr.calendar.respond_to?(:weekend_starts) # CLDR 1
        @cldr.calendar.weekend_starts[calendar.to_s]
    end
    day ||= 'sat'
    wdays.index day
end