mirror of
https://github.com/haml/haml.git
synced 2022-11-09 12:33:31 -05:00
51 lines
2.2 KiB
Ruby
51 lines
2.2 KiB
Ruby
# This file makes Haml work with Rails
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# by monkeypatching the core template-compilation methods.
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# This is necessary for versions <= 2.0.1 because the template handler API
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# wasn't sufficiently powerful to deal with caching and so forth.
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# This module refers to the ActionView module that's part of Ruby on Rails.
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# Haml can be used as an alternate templating engine for it,
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# and includes several modifications to make it more Haml-friendly.
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# The documentation can be found
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# here[http://rubyonrails.org/api/classes/ActionView/Base.html].
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module ActionView
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class Base # :nodoc:
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def delegate_template_exists_with_haml(template_path)
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template_exists?(template_path, :haml) && [:haml]
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end
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alias_method :delegate_template_exists_without_haml, :delegate_template_exists?
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alias_method :delegate_template_exists?, :delegate_template_exists_with_haml
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def compile_template_with_haml(extension, template, file_name, local_assigns)
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return compile_haml(template, file_name, local_assigns) if extension.to_s == "haml"
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compile_template_without_haml(extension, template, file_name, local_assigns)
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end
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alias_method :compile_template_without_haml, :compile_template
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alias_method :compile_template, :compile_template_with_haml
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def compile_haml(template, file_name, local_assigns)
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render_symbol = assign_method_name(:haml, template, file_name)
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locals = local_assigns.keys
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@@template_args[render_symbol] ||= {}
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locals_keys = @@template_args[render_symbol].keys | locals
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@@template_args[render_symbol] = locals_keys.inject({}) { |h, k| h[k] = true; h }
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options = Haml::Template.options.dup
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options[:filename] = file_name || 'compiled-template'
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begin
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Haml::Engine.new(template, options).def_method(CompiledTemplates, render_symbol, *locals)
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rescue Exception => e
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if logger
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logger.debug "ERROR: compiling #{render_symbol} RAISED #{e}"
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logger.debug "Backtrace: #{e.backtrace.join("\n")}"
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end
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raise TemplateError.new(@base_path, file_name || template, @assigns, template, e)
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end
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@@compile_time[render_symbol] = Time.now
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end
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end
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end
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