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authorDavid Heinemeier Hansson <david@loudthinking.com>2008-07-16 17:45:28 -0500
committerDavid Heinemeier Hansson <david@loudthinking.com>2008-07-16 17:45:28 -0500
commit73ade4fe100ae7f48c5f95dcdf7067f6a0cd51fa (patch)
tree2f1601292978a844226e16f3cef428ed760b9eb5 /actionpack/lib/action_view/template_handlers/compilable.rb
parent8fe01de2e8753d045408ecde3178ab4e9192bf9a (diff)
parent90c930f45c5c6766306929241462ffff8f67b86e (diff)
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Resolved conflict
Diffstat (limited to 'actionpack/lib/action_view/template_handlers/compilable.rb')
-rw-r--r--actionpack/lib/action_view/template_handlers/compilable.rb118
1 files changed, 2 insertions, 116 deletions
diff --git a/actionpack/lib/action_view/template_handlers/compilable.rb b/actionpack/lib/action_view/template_handlers/compilable.rb
index 783456ab53..a0ebaefeef 100644
--- a/actionpack/lib/action_view/template_handlers/compilable.rb
+++ b/actionpack/lib/action_view/template_handlers/compilable.rb
@@ -1,21 +1,8 @@
module ActionView
module TemplateHandlers
module Compilable
-
def self.included(base)
base.extend ClassMethod
-
- # Map method names to their compile time
- base.cattr_accessor :compile_time
- base.compile_time = {}
-
- # Map method names to the names passed in local assigns so far
- base.cattr_accessor :template_args
- base.template_args = {}
-
- # Count the number of inline templates
- base.cattr_accessor :inline_template_count
- base.inline_template_count = 0
end
module ClassMethod
@@ -24,111 +11,10 @@ module ActionView
true
end
end
-
- def render(template)
- @view.send :execute, template
- end
-
- # Compile and evaluate the template's code
- def compile_template(template)
- return unless compile_template?(template)
-
- render_symbol = assign_method_name(template)
- render_source = create_template_source(template, render_symbol)
- line_offset = self.template_args[render_symbol].size + self.line_offset
-
- begin
- file_name = template.filename || 'compiled-template'
- ActionView::Base::CompiledTemplates.module_eval(render_source, file_name, -line_offset)
- rescue Exception => e # errors from template code
- if @view.logger
- @view.logger.debug "ERROR: compiling #{render_symbol} RAISED #{e}"
- @view.logger.debug "Function body: #{render_source}"
- @view.logger.debug "Backtrace: #{e.backtrace.join("\n")}"
- end
-
- raise ActionView::TemplateError.new(template, @view.assigns, e)
- end
-
- self.compile_time[render_symbol] = Time.now
- # logger.debug "Compiled template #{file_name || template}\n ==> #{render_symbol}" if logger
- end
-
- private
-
- # Method to check whether template compilation is necessary.
- # The template will be compiled if the inline template or file has not been compiled yet,
- # if local_assigns has a new key, which isn't supported by the compiled code yet,
- # or if the file has changed on disk and checking file mods hasn't been disabled.
- def compile_template?(template)
- method_key = template.method_key
- render_symbol = @view.method_names[method_key]
-
- compile_time = self.compile_time[render_symbol]
- if compile_time && supports_local_assigns?(render_symbol, template.locals)
- if template.filename && !@view.cache_template_loading
- template_changed_since?(template.filename, compile_time)
- end
- else
- true
- end
- end
-
- def assign_method_name(template)
- @view.method_names[template.method_key] ||= compiled_method_name(template)
- end
- def compiled_method_name(template)
- ['_run', self.class.to_s.demodulize.underscore, compiled_method_name_file_path_segment(template.filename)].compact.join('_').to_sym
+ def render(template, local_assigns = {})
+ @view.send(:execute, template, local_assigns)
end
-
- def compiled_method_name_file_path_segment(file_name)
- if file_name
- s = File.expand_path(file_name)
- s.sub!(/^#{Regexp.escape(File.expand_path(RAILS_ROOT))}/, '') if defined?(RAILS_ROOT)
- s.gsub!(/([^a-zA-Z0-9_])/) { $1.ord }
- s
- else
- (self.inline_template_count += 1).to_s
- end
- end
-
- # Method to create the source code for a given template.
- def create_template_source(template, render_symbol)
- body = compile(template)
-
- self.template_args[render_symbol] ||= {}
- locals_keys = self.template_args[render_symbol].keys | template.locals.keys
- self.template_args[render_symbol] = locals_keys.inject({}) { |h, k| h[k] = true; h }
-
- locals_code = ""
- locals_keys.each do |key|
- locals_code << "#{key} = local_assigns[:#{key}]\n"
- end
-
- <<-end_src
- def #{render_symbol}(local_assigns)
- old_output_buffer = output_buffer;#{locals_code}#{body}
- ensure
- self.output_buffer = old_output_buffer
- end
- end_src
- end
-
- # Return true if the given template was compiled for a superset of the keys in local_assigns
- def supports_local_assigns?(render_symbol, local_assigns)
- local_assigns.empty? ||
- ((args = self.template_args[render_symbol]) && local_assigns.all? { |k,_| args.has_key?(k) })
- end
-
- # Method to handle checking a whether a template has changed since last compile; isolated so that templates
- # not stored on the file system can hook and extend appropriately.
- def template_changed_since?(file_name, compile_time)
- lstat = File.lstat(file_name)
- compile_time < lstat.mtime ||
- (lstat.symlink? && compile_time < File.stat(file_name).mtime)
- end
-
end
end
end