Module: Babl

Defined in:
lib/babl.rb,
lib/babl/errors.rb,
lib/babl/railtie.rb,
lib/babl/version.rb,
lib/babl/template.rb,
lib/babl/nodes/dep.rb,
lib/babl/nodes/nav.rb,
lib/babl/utils/ref.rb,
lib/babl/nodes/each.rb,
lib/babl/nodes/with.rb,
lib/babl/utils/hash.rb,
lib/babl/utils/proc.rb,
lib/babl/nodes/merge.rb,
lib/babl/nodes/typed.rb,
lib/babl/utils/array.rb,
lib/babl/utils/value.rb,
lib/babl/nodes/concat.rb,
lib/babl/nodes/object.rb,
lib/babl/nodes/parent.rb,
lib/babl/nodes/switch.rb,
lib/babl/schema/typed.rb,
lib/babl/nodes/is_null.rb,
lib/babl/operators/dep.rb,
lib/babl/operators/nav.rb,
lib/babl/operators/pin.rb,
lib/babl/schema/any_of.rb,
lib/babl/schema/object.rb,
lib/babl/nodes/constant.rb,
lib/babl/nodes/goto_pin.rb,
lib/babl/operators/call.rb,
lib/babl/operators/each.rb,
lib/babl/operators/null.rb,
lib/babl/operators/with.rb,
lib/babl/operators/array.rb,
lib/babl/operators/enter.rb,
lib/babl/operators/merge.rb,
lib/babl/operators/typed.rb,
lib/babl/operators/using.rb,
lib/babl/schema/anything.rb,
lib/babl/utils/dsl_proxy.rb,
lib/babl/nodes/create_pin.rb,
lib/babl/operators/concat.rb,
lib/babl/operators/object.rb,
lib/babl/operators/parent.rb,
lib/babl/operators/source.rb,
lib/babl/operators/static.rb,
lib/babl/operators/switch.rb,
lib/babl/schema/dyn_array.rb,
lib/babl/schema/primitive.rb,
lib/babl/nodes/fixed_array.rb,
lib/babl/operators/default.rb,
lib/babl/operators/extends.rb,
lib/babl/operators/is_null.rb,
lib/babl/operators/partial.rb,
lib/babl/rendering/context.rb,
lib/babl/operators/continue.rb,
lib/babl/operators/nullable.rb,
lib/babl/schema/fixed_array.rb,
lib/babl/nodes/internal_value.rb,
lib/babl/nodes/terminal_value.rb,
lib/babl/builder/chain_builder.rb,
lib/babl/builder/template_base.rb,
lib/babl/rendering/noop_preloader.rb,
lib/babl/rendering/compiled_template.rb

Defined Under Namespace

Modules: ActionView, Builder, Errors, Nodes, Operators, Rendering, Schema, Utils Classes: AbsoluteLookupContext, Config, Railtie, Template

Constant Summary collapse

VERSION = 
'0.5.7'

Class Method Summary collapse

Class Method Details

.compile(*args, &block) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/babl.rb', line 61

def compile(*args, &block)
    raise ArgumentError, 'Wrong number of arguments' if args.size > 1
    raise ArgumentError, 'Template or block expected' unless args.empty? ^ block.nil?

    (args.empty? ? source(&block) : template.call(args.first)).compile(
        pretty: config.pretty,
        preloader: config.preloader,
        lookup_context: config.lookup_context
    )
end

.config ⇒ Object 



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# File 'lib/babl.rb', line 93

def config
    @config ||= Config.new
end

.configure {|config| ... } ⇒ Object

Yields:



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# File 'lib/babl.rb', line 89

def configure
    yield(config)
end

.source(*args, &block) ⇒ Object 



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# File 'lib/babl.rb', line 72

def source(*args, &block)
    template.source(*args, &block)
end

.template ⇒ Object 



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# File 'lib/babl.rb', line 76

def template
    cached = @cached_template
    return cached.last if cached && [config.using].flatten == cached.first
    # Calling 'using' is a very inefficient operation, because
    # it creates a new class. We can avoid that cost most of the
    # time, assuming 'config.using' does not change often (typically
    # it should only change once at startup)
    modules = [config.using].flatten.dup
    template = Template.new.using(*modules)
    @cached_template = [modules, template]
    template
end