class Capybara::Selector::CSS::Splitter
Public Instance Methods
Source
# File lib/capybara/selector/css.rb, line 33 def split(css) selectors = [] StringIO.open(css.to_s) do |str| selector = +'' while (char = str.getc) case char when '[' selector << parse_square(str) when '(' selector << parse_paren(str) when '"', "'" selector << parse_string(char, str) when '\\' selector << (char + str.getc) when ',' selectors << selector.strip selector.clear else selector << char end end selectors << selector.strip end selectors end
Private Instance Methods
Source
# File lib/capybara/selector/css.rb, line 69 def parse_block(start, final, strio) block = start while (char = strio.getc) case char when final return block + char when '\\' block += char + strio.getc when '"', "'" block += parse_string(char, strio) else block += char end end raise ArgumentError, "Invalid CSS Selector - Block end '#{final}' not found" end
Source
# File lib/capybara/selector/css.rb, line 65 def parse_paren(strio) parse_block('(', ')', strio) end
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# File lib/capybara/selector/css.rb, line 61 def parse_square(strio) parse_block('[', ']', strio) end
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# File lib/capybara/selector/css.rb, line 86 def parse_string(quote, strio) string = quote while (char = strio.getc) string += char case char when quote return string when '\\' string += strio.getc end end raise ArgumentError, 'Invalid CSS Selector - string end not found' end