Class: LogStash::Config::AST::Plugin
- Defined in:
- lib/logstash/config/config_ast.rb
Instance Method Summary collapse
- #compile ⇒ Object
- #compile_initializer ⇒ Object
- #compile_starting_here ⇒ Object
- #plugin_name ⇒ Object
- #plugin_type ⇒ Object
- #variable_name ⇒ Object
Methods inherited from Node
Instance Method Details
#compile ⇒ Object
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# File 'lib/logstash/config/config_ast.rb', line 269 def compile case plugin_type when "input" return "start_input(@generated_objects[:#{variable_name}])" when "filter" return <<-CODE events = @generated_objects[:#{variable_name}].multi_filter(events) CODE when "output" return "targeted_outputs << @generated_objects[:#{variable_name}]\n" when "codec" settings = attributes.recursive_select(Attribute).collect(&:compile).reject(&:empty?) attributes_code = "LogStash::Util.hash_merge_many(#{settings.map { |c| "{ #{c} }" }.join(", ")})" return "plugin(#{plugin_type.inspect}, #{plugin_name.inspect}, #{attributes_code})" end end |
#compile_initializer ⇒ Object
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# File 'lib/logstash/config/config_ast.rb', line 256 def compile_initializer # If any parent is a Plugin, this must be a codec. if attributes.elements.nil? return "plugin(#{plugin_type.inspect}, #{plugin_name.inspect})" << (plugin_type == "codec" ? "" : "\n") else settings = attributes.recursive_select(Attribute).collect(&:compile).reject(&:empty?) attributes_code = "LogStash::Util.hash_merge_many(#{settings.map { |c| "{ #{c} }" }.join(", ")})" return "plugin(#{plugin_type.inspect}, #{plugin_name.inspect}, #{attributes_code})" << (plugin_type == "codec" ? "" : "\n") end end |
#compile_starting_here ⇒ Object
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# File 'lib/logstash/config/config_ast.rb', line 286 def compile_starting_here return unless plugin_type == "filter" # only filter supported. expressions = [ LogStash::Config::AST::Branch, LogStash::Config::AST::Plugin ] code = [] # Find the branch we are in, if any (the 'if' statement, etc) self_branch = recursive_select_parent(LogStash::Config::AST::BranchEntry).first # Find any siblings to our branch so we can skip them later. For example, # if we are in an 'else if' we want to skip any sibling 'else if' or # 'else' blocks. branch_siblings = [] if self_branch branch_siblings = recursive_select_parent(LogStash::Config::AST::Branch).first \ .recursive_select(LogStash::Config::AST::BranchEntry) \ .reject { |b| b == self_branch } end #ast = recursive_select_parent(LogStash::Config::AST::PluginSection).first ast = recursive_select_parent(LogStash::Config::AST::Config).first found = false recurse(ast) do |element, depth| next false if element.is_a?(LogStash::Config::AST::PluginSection) && element.plugin_type.text_value != "filter" if element == self found = true next false end if found && expressions.include?(element.class) code << element.compile next false end next false if branch_siblings.include?(element) next true end return code.collect { |l| "#{l}\n" }.join("") end |
#plugin_name ⇒ Object
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# File 'lib/logstash/config/config_ast.rb', line 248 def plugin_name return name.text_value end |
#plugin_type ⇒ Object
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# File 'lib/logstash/config/config_ast.rb', line 240 def plugin_type if recursive_select_parent(Plugin).any? return "codec" else return recursive_select_parent(PluginSection).first.plugin_type.text_value end end |
#variable_name ⇒ Object
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# File 'lib/logstash/config/config_ast.rb', line 252 def variable_name return recursive_select_parent(PluginSection).first.variable(self) end |