Class: LogStash::Config::AST::Plugin
- Inherits:
-
Node
- Object
- Treetop::Runtime::SyntaxNode
- Node
- LogStash::Config::AST::Plugin
show all
- Defined in:
- lib/logstash/config/config_ast.rb
Constant Summary
LogStashCompilerLSCLGrammar::LogStash::Compiler::LSCL::AST::Helpers::AND_METHOD, LogStashCompilerLSCLGrammar::LogStash::Compiler::LSCL::AST::Helpers::BOOLEAN_DSL_METHOD_SIGNATURE, LogStashCompilerLSCLGrammar::LogStash::Compiler::LSCL::AST::Helpers::NAND_METHOD, LogStashCompilerLSCLGrammar::LogStash::Compiler::LSCL::AST::Helpers::OR_METHOD, LogStashCompilerLSCLGrammar::LogStash::Compiler::LSCL::AST::Helpers::XOR_METHOD
Instance Method Summary
collapse
Methods inherited from Node
#text_value_for_comments
#base_id, #base_protocol, #base_source_with_metadata, #base_source_with_metadata=, #compose, #compose_for, #jdsl, jdsl, #line_and_column, #source_meta
Instance Method Details
#compile ⇒ Object
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# File 'lib/logstash/config/config_ast.rb', line 205
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}, #{source_meta.line}, #{source_meta.column}, #{attributes_code})"
end
end
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#compile_initializer ⇒ Object
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# File 'lib/logstash/config/config_ast.rb', line 192
def compile_initializer
if attributes.elements.nil?
return "plugin(#{plugin_type.inspect}, #{plugin_name.inspect}, #{source_meta.line}, #{source_meta.column})" << (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}, #{source_meta.line}, #{source_meta.column}, #{attributes_code})" << (plugin_type == "codec" ? "" : "\n")
end
end
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#compile_starting_here ⇒ Object
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# File 'lib/logstash/config/config_ast.rb', line 222
def compile_starting_here
return unless plugin_type == "filter"
expressions = [
LogStash::Config::AST::Branch,
LogStash::Config::AST::Plugin
]
code = []
self_branch = recursive_select_parent(LogStash::Config::AST::BranchEntry).first
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::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
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#plugin_name ⇒ Object
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# File 'lib/logstash/config/config_ast.rb', line 184
def plugin_name
return name.text_value
end
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#plugin_type ⇒ Object
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# File 'lib/logstash/config/config_ast.rb', line 176
def plugin_type
if recursive_select_parent(Plugin).any?
return "codec"
else
return recursive_select_parent(PluginSection).first.plugin_type.text_value
end
end
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#variable_name ⇒ Object
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# File 'lib/logstash/config/config_ast.rb', line 188
def variable_name
return recursive_select_parent(PluginSection).first.variable(self)
end
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