74 lines
1.8 KiB
Ruby
74 lines
1.8 KiB
Ruby
require 'temple'
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require 'hamlit/compiler'
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require 'hamlit/pretty_compiler'
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require 'hamlit/parser'
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module Hamlit
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class Engine < Temple::Engine
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define_options(
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generator: Temple::Generators::ArrayBuffer,
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format: :html,
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html_type: nil,
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attr_quote: "'",
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escape_html: true,
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pretty: false,
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autoclose: %w(area base basefont br col command embed frame
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hr img input isindex keygen link menuitem meta
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param source track wbr),
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filename: "",
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)
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use Parser
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use :Compiler, -> { options[:pretty] ? PrettyCompiler : Compiler }
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html :Fast
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filter :Escapable
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filter :ControlFlow
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filter :MultiFlattener
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filter :StaticMerger
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use :Generator, -> { options[:generator] }
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end
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class HamlEngine
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def initialize(template, options = {})
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@template = template
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@options = options
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end
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def precompiled
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Engine.new(temple_options).call(@template)
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end
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def render(scope = Object.new, locals = {}, &block)
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scope = wrap_binding(scope)
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set_locals(locals, scope)
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eval(precompiled, scope)
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end
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alias_method :to_html, :render
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private
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def temple_options
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@options.dup.tap do |options|
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options[:pretty] = !options.delete(:ugly)
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case options[:format]
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when :html5
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options[:format] = :html
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when :html4
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options[:format] = :html
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options[:html_type] = 'transitional'
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end
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end
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end
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def wrap_binding(scope)
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return scope if scope.is_a?(Binding)
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scope.instance_eval { binding }
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end
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def set_locals(locals, scope)
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set_locals = locals.map { |k, v| "#{k} = #{v.inspect}" }.join("\n")
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eval(set_locals, scope)
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end
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end
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end
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