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|
module Chronic
class Separator < Tag
# Scan an Array of Token objects and apply any necessary Separator
# tags to each token.
#
# tokens - An Array of tokens to scan.
# options - The Hash of options specified in Chronic::parse.
#
# Returns an Array of tokens.
def self.scan(tokens, options)
tokens.each do |token|
if t = scan_for_commas(token) then token.tag(t); next end
if t = scan_for_dots(token) then token.tag(t); next end
if t = scan_for_colon(token) then token.tag(t); next end
if t = scan_for_space(token) then token.tag(t); next end
if t = scan_for_slash(token) then token.tag(t); next end
if t = scan_for_dash(token) then token.tag(t); next end
if t = scan_for_quote(token) then token.tag(t); next end
if t = scan_for_at(token) then token.tag(t); next end
if t = scan_for_in(token) then token.tag(t); next end
if t = scan_for_on(token) then token.tag(t); next end
if t = scan_for_and(token) then token.tag(t); next end
if t = scan_for_t(token) then token.tag(t); next end
if t = scan_for_w(token) then token.tag(t); next end
end
end
# token - The Token object we want to scan.
#
# Returns a new SeparatorComma object.
def self.scan_for_commas(token)
scan_for token, SeparatorComma, { /^,$/ => :comma }
end
# token - The Token object we want to scan.
#
# Returns a new SeparatorDot object.
def self.scan_for_dots(token)
scan_for token, SeparatorDot, { /^\.$/ => :dot }
end
# token - The Token object we want to scan.
#
# Returns a new SeparatorColon object.
def self.scan_for_colon(token)
scan_for token, SeparatorColon, { /^:$/ => :colon }
end
# token - The Token object we want to scan.
#
# Returns a new SeparatorSpace object.
def self.scan_for_space(token)
scan_for token, SeparatorSpace, { /^ $/ => :space }
end
# token - The Token object we want to scan.
#
# Returns a new SeparatorSlash object.
def self.scan_for_slash(token)
scan_for token, SeparatorSlash, { /^\/$/ => :slash }
end
# token - The Token object we want to scan.
#
# Returns a new SeparatorDash object.
def self.scan_for_dash(token)
scan_for token, SeparatorDash, { /^-$/ => :dash }
end
# token - The Token object we want to scan.
#
# Returns a new SeparatorQuote object.
def self.scan_for_quote(token)
scan_for token, SeparatorQuote,
{
/^'$/ => :single_quote,
/^"$/ => :double_quote
}
end
# token - The Token object we want to scan.
#
# Returns a new SeparatorAt object.
def self.scan_for_at(token)
scan_for token, SeparatorAt, { /^(at|@)$/ => :at }
end
# token - The Token object we want to scan.
#
# Returns a new SeparatorIn object.
def self.scan_for_in(token)
scan_for token, SeparatorIn, { /^in$/ => :in }
end
# token - The Token object we want to scan.
#
# Returns a new SeparatorOn object.
def self.scan_for_on(token)
scan_for token, SeparatorOn, { /^on$/ => :on }
end
# token - The Token object we want to scan.
#
# Returns a new SeperatorAnd Object object.
def self.scan_for_and(token)
scan_for token, SeparatorAnd, { /^and$/ => :and }
end
# token - The Token object we want to scan.
#
# Returns a new SeperatorT Object object.
def self.scan_for_t(token)
scan_for token, SeparatorT, { /^t$/ => :T }
end
# token - The Token object we want to scan.
#
# Returns a new SeperatorW Object object.
def self.scan_for_w(token)
scan_for token, SeparatorW, { /^w$/ => :W }
end
def to_s
'separator'
end
end
class SeparatorComma < Separator #:nodoc:
def to_s
super << '-comma'
end
end
class SeparatorDot < Separator #:nodoc:
def to_s
super << '-dot'
end
end
class SeparatorColon < Separator #:nodoc:
def to_s
super << '-colon'
end
end
class SeparatorSpace < Separator #:nodoc:
def to_s
super << '-space'
end
end
class SeparatorSlash < Separator #:nodoc:
def to_s
super << '-slash'
end
end
class SeparatorDash < Separator #:nodoc:
def to_s
super << '-dash'
end
end
class SeparatorQuote < Separator #:nodoc:
def to_s
super << '-quote-' << @type.to_s
end
end
class SeparatorAt < Separator #:nodoc:
def to_s
super << '-at'
end
end
class SeparatorIn < Separator #:nodoc:
def to_s
super << '-in'
end
end
class SeparatorOn < Separator #:nodoc:
def to_s
super << '-on'
end
end
class SeparatorAnd < Separator #:nodoc:
def to_s
super << '-and'
end
end
class SeparatorT < Separator #:nodoc:
def to_s
super << '-T'
end
end
class SeparatorW < Separator #:nodoc:
def to_s
super << '-W'
end
end
end
|
