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Direktori : /proc/thread-self/root/proc/thread-self/root/opt/alt/ruby20/lib64/ruby/2.0.0/openssl/ |
Current File : //proc/thread-self/root/proc/thread-self/root/opt/alt/ruby20/lib64/ruby/2.0.0/openssl/config.rb |
=begin = Ruby-space definitions that completes C-space funcs for Config = Info Copyright (C) 2010 Hiroshi Nakamura <nahi@ruby-lang.org> = Licence This program is licenced under the same licence as Ruby. (See the file 'LICENCE'.) =end require 'stringio' module OpenSSL class Config include Enumerable class << self def parse(str) c = new() parse_config(StringIO.new(str)).each do |section, hash| c[section] = hash end c end alias load new def parse_config(io) begin parse_config_lines(io) rescue ConfigError => e e.message.replace("error in line #{io.lineno}: " + e.message) raise end end def get_key_string(data, section, key) # :nodoc: if v = data[section] && data[section][key] return v elsif section == 'ENV' if v = ENV[key] return v end end if v = data['default'] && data['default'][key] return v end end private def parse_config_lines(io) section = 'default' data = {section => {}} while definition = get_definition(io) definition = clear_comments(definition) next if definition.empty? if definition[0] == ?[ if /\[([^\]]*)\]/ =~ definition section = $1.strip data[section] ||= {} else raise ConfigError, "missing close square bracket" end else if /\A([^:\s]*)(?:::([^:\s]*))?\s*=(.*)\z/ =~ definition if $2 section = $1 key = $2 else key = $1 end value = unescape_value(data, section, $3) (data[section] ||= {})[key] = value.strip else raise ConfigError, "missing equal sign" end end end data end # escape with backslash QUOTE_REGEXP_SQ = /\A([^'\\]*(?:\\.[^'\\]*)*)'/ # escape with backslash and doubled dq QUOTE_REGEXP_DQ = /\A([^"\\]*(?:""[^"\\]*|\\.[^"\\]*)*)"/ # escaped char map ESCAPE_MAP = { "r" => "\r", "n" => "\n", "b" => "\b", "t" => "\t", } def unescape_value(data, section, value) scanned = [] while m = value.match(/['"\\$]/) scanned << m.pre_match c = m[0] value = m.post_match case c when "'" if m = value.match(QUOTE_REGEXP_SQ) scanned << m[1].gsub(/\\(.)/, '\\1') value = m.post_match else break end when '"' if m = value.match(QUOTE_REGEXP_DQ) scanned << m[1].gsub(/""/, '').gsub(/\\(.)/, '\\1') value = m.post_match else break end when "\\" c = value.slice!(0, 1) scanned << (ESCAPE_MAP[c] || c) when "$" ref, value = extract_reference(value) refsec = section if ref.index('::') refsec, ref = ref.split('::', 2) end if v = get_key_string(data, refsec, ref) scanned << v else raise ConfigError, "variable has no value" end else raise 'must not reaced' end end scanned << value scanned.join end def extract_reference(value) rest = '' if m = value.match(/\(([^)]*)\)|\{([^}]*)\}/) value = m[1] || m[2] rest = m.post_match elsif [?(, ?{].include?(value[0]) raise ConfigError, "no close brace" end if m = value.match(/[a-zA-Z0-9_]*(?:::[a-zA-Z0-9_]*)?/) return m[0], m.post_match + rest else raise end end def clear_comments(line) # FCOMMENT if m = line.match(/\A([\t\n\f ]*);.*\z/) return m[1] end # COMMENT scanned = [] while m = line.match(/[#'"\\]/) scanned << m.pre_match c = m[0] line = m.post_match case c when '#' line = nil break when "'", '"' regexp = (c == "'") ? QUOTE_REGEXP_SQ : QUOTE_REGEXP_DQ scanned << c if m = line.match(regexp) scanned << m[0] line = m.post_match else scanned << line line = nil break end when "\\" scanned << c scanned << line.slice!(0, 1) else raise 'must not reaced' end end scanned << line scanned.join end def get_definition(io) if line = get_line(io) while /[^\\]\\\z/ =~ line if extra = get_line(io) line += extra else break end end return line.strip end end def get_line(io) if line = io.gets line.gsub(/[\r\n]*/, '') end end end def initialize(filename = nil) @data = {} if filename File.open(filename.to_s) do |file| Config.parse_config(file).each do |section, hash| self[section] = hash end end end end def get_value(section, key) if section.nil? raise TypeError.new('nil not allowed') end section = 'default' if section.empty? get_key_string(section, key) end def value(arg1, arg2 = nil) warn('Config#value is deprecated; use Config#get_value') if arg2.nil? section, key = 'default', arg1 else section, key = arg1, arg2 end section ||= 'default' section = 'default' if section.empty? get_key_string(section, key) end def add_value(section, key, value) check_modify (@data[section] ||= {})[key] = value end def [](section) @data[section] || {} end def section(name) warn('Config#section is deprecated; use Config#[]') @data[name] || {} end def []=(section, pairs) check_modify @data[section] ||= {} pairs.each do |key, value| self.add_value(section, key, value) end end def sections @data.keys end def to_s ary = [] @data.keys.sort.each do |section| ary << "[ #{section} ]\n" @data[section].keys.each do |key| ary << "#{key}=#{@data[section][key]}\n" end ary << "\n" end ary.join end def each @data.each do |section, hash| hash.each do |key, value| yield [section, key, value] end end end def inspect "#<#{self.class.name} sections=#{sections.inspect}>" end protected def data @data end private def initialize_copy(other) @data = other.data.dup end def check_modify raise TypeError.new("Insecure: can't modify OpenSSL config") if frozen? end def get_key_string(section, key) Config.get_key_string(@data, section, key) end end end