diff options
Diffstat (limited to 'activesupport/lib/active_support/vendor/builder-2.1.2/builder/xmlbase.rb')
| -rw-r--r-- | activesupport/lib/active_support/vendor/builder-2.1.2/builder/xmlbase.rb | 139 |
1 files changed, 0 insertions, 139 deletions
diff --git a/activesupport/lib/active_support/vendor/builder-2.1.2/builder/xmlbase.rb b/activesupport/lib/active_support/vendor/builder-2.1.2/builder/xmlbase.rb deleted file mode 100644 index ace4b56d59..0000000000 --- a/activesupport/lib/active_support/vendor/builder-2.1.2/builder/xmlbase.rb +++ /dev/null @@ -1,139 +0,0 @@ -#!/usr/bin/env ruby - -require 'builder/blankslate' - -module Builder - - # Generic error for builder - class IllegalBlockError < RuntimeError; end - - # XmlBase is a base class for building XML builders. See - # Builder::XmlMarkup and Builder::XmlEvents for examples. - class XmlBase < BlankSlate - - # Create an XML markup builder. - # - # out:: Object receiving the markup. +out+ must respond to - # <tt><<</tt>. - # indent:: Number of spaces used for indentation (0 implies no - # indentation and no line breaks). - # initial:: Level of initial indentation. - # - def initialize(indent=0, initial=0) - @indent = indent - @level = initial - end - - # Create a tag named +sym+. Other than the first argument which - # is the tag name, the arguments are the same as the tags - # implemented via <tt>method_missing</tt>. - def tag!(sym, *args, &block) - method_missing(sym.to_sym, *args, &block) - end - - # Create XML markup based on the name of the method. This method - # is never invoked directly, but is called for each markup method - # in the markup block. - def method_missing(sym, *args, &block) - text = nil - attrs = nil - sym = "#{sym}:#{args.shift}" if args.first.kind_of?(Symbol) - args.each do |arg| - case arg - when Hash - attrs ||= {} - attrs.merge!(arg) - else - text ||= '' - text << arg.to_s - end - end - if block - unless text.nil? - raise ArgumentError, "XmlMarkup cannot mix a text argument with a block" - end - _indent - _start_tag(sym, attrs) - _newline - _nested_structures(block) - _indent - _end_tag(sym) - _newline - elsif text.nil? - _indent - _start_tag(sym, attrs, true) - _newline - else - _indent - _start_tag(sym, attrs) - text! text - _end_tag(sym) - _newline - end - @target - end - - # Append text to the output target. Escape any markup. May be - # used within the markup brackets as: - # - # builder.p { |b| b.br; b.text! "HI" } #=> <p><br/>HI</p> - def text!(text) - _text(_escape(text)) - end - - # Append text to the output target without escaping any markup. - # May be used within the markup brackets as: - # - # builder.p { |x| x << "<br/>HI" } #=> <p><br/>HI</p> - # - # This is useful when using non-builder enabled software that - # generates strings. Just insert the string directly into the - # builder without changing the inserted markup. - # - # It is also useful for stacking builder objects. Builders only - # use <tt><<</tt> to append to the target, so by supporting this - # method/operation builders can use other builders as their - # targets. - def <<(text) - _text(text) - end - - # For some reason, nil? is sent to the XmlMarkup object. If nil? - # is not defined and method_missing is invoked, some strange kind - # of recursion happens. Since nil? won't ever be an XML tag, it - # is pretty safe to define it here. (Note: this is an example of - # cargo cult programming, - # cf. http://fishbowl.pastiche.org/2004/10/13/cargo_cult_programming). - def nil? - false - end - - private - - require 'builder/xchar' - def _escape(text) - text.to_xs - end - - def _escape_quote(text) - _escape(text).gsub(%r{"}, '"') # " WART - end - - def _newline - return if @indent == 0 - text! "\n" - end - - def _indent - return if @indent == 0 || @level == 0 - text!(" " * (@level * @indent)) - end - - def _nested_structures(block) - @level += 1 - block.call(self) - ensure - @level -= 1 - end - end -end |