Class: Console::Resolver
- Inherits:
-
Object
- Object
- Console::Resolver
- Defined in:
- lib/console/resolver.rb
Class Method Summary collapse
-
.default_resolver(logger, env = ENV) ⇒ Object
You can change the log level for different classes using CONSOLE_<LEVEL> env vars.
Instance Method Summary collapse
- #bind(names, &block) ⇒ Object
-
#initialize ⇒ Resolver
constructor
A new instance of Resolver.
- #resolve(trace_point) ⇒ Object
- #waiting? ⇒ Boolean
Constructor Details
#initialize ⇒ Resolver
Returns a new instance of Resolver.
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# File 'lib/console/resolver.rb', line 76 def initialize @names = {} @trace_point = TracePoint.new(:class, &self.method(:resolve)) end |
Class Method Details
.default_resolver(logger, env = ENV) ⇒ Object
You can change the log level for different classes using CONSOLE_<LEVEL> env vars.
e.g. ‘CONSOLE_WARN=Acorn,Banana CONSOLE_DEBUG=Cat` will set the log level for the classes Acorn and Banana to `warn` and Cat to `debug`. This overrides the default log level.
You can enable all log levels for a given class by using ‘CONSOLE_ON=MyClass`. Similarly you can disable all logging using `CONSOLE_OFF=MyClass`.
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# File 'lib/console/resolver.rb', line 36 def self.default_resolver(logger, env = ENV) # Find all CONSOLE_<LEVEL> variables from environment: levels = logger.class::LEVELS .map{|label, level| [level, env["CONSOLE_#{label.upcase}"]&.split(',')]} .to_h .compact off_klasses = env['CONSOLE_OFF']&.split(',') on_klasses = env['CONSOLE_ON']&.split(',') resolver = nil # If we have any levels, then create a class resolver, and each time a class is resolved, set the log level for that class to the specified level: if on_klasses&.any? resolver ||= Resolver.new resolver.bind(on_klasses) do |klass| logger.enable(klass, logger.class::MINIMUM_LEVEL - 1) end end if off_klasses&.any? resolver ||= Resolver.new resolver.bind(off_klasses) do |klass| logger.disable(klass) end end levels.each do |level, names| resolver ||= Resolver.new resolver.bind(names) do |klass| logger.enable(klass, level) end end return resolver end |
Instance Method Details
#bind(names, &block) ⇒ Object
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# File 'lib/console/resolver.rb', line 82 def bind(names, &block) names.each do |name| if klass = Object.const_get(name) rescue nil yield klass else @names[name] = block end end if @names.any? @trace_point.enable else @trace_point.disable end end |
#resolve(trace_point) ⇒ Object
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# File 'lib/console/resolver.rb', line 102 def resolve(trace_point) if block = @names.delete(trace_point.self.to_s) block.call(trace_point.self) end if @names.empty? @trace_point.disable end end |
#waiting? ⇒ Boolean
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# File 'lib/console/resolver.rb', line 98 def waiting? @trace_point.enabled? end |