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-rw-r--r--actionpack/lib/action_view/template/handler.rb10
-rw-r--r--actionpack/lib/action_view/template/handlers.rb10
-rw-r--r--actionpack/lib/action_view/template/handlers/builder.rb8
-rw-r--r--actionpack/lib/action_view/template/handlers/erb.rb25
-rw-r--r--actionpack/lib/action_view/template/handlers/rjs.rb12
-rw-r--r--actionpack/lib/action_view/template/inline.rb20
-rw-r--r--actionpack/lib/action_view/template/resolver.rb115
-rw-r--r--actionpack/lib/action_view/template/text.rb4
8 files changed, 141 insertions, 63 deletions
diff --git a/actionpack/lib/action_view/template/handler.rb b/actionpack/lib/action_view/template/handler.rb
index c6a1bc6235..0a9d299807 100644
--- a/actionpack/lib/action_view/template/handler.rb
+++ b/actionpack/lib/action_view/template/handler.rb
@@ -1,4 +1,4 @@
-require "action_dispatch/http/mime_type"
+require 'action_dispatch/http/mime_type'
require 'active_support/core_ext/class/attribute'
# Legacy TemplateHandler stub
@@ -7,6 +7,8 @@ module ActionView
module Handlers #:nodoc:
module Compilable
def self.included(base)
+ ActiveSupport::Deprecation.warn "Including Compilable in your template handler is deprecated. " <<
+ "All the API your template handler needs to implement is to respond to #call."
base.extend(ClassMethods)
end
@@ -26,6 +28,12 @@ module ActionView
class_attribute :default_format
self.default_format = Mime::HTML
+ def self.inherited(base)
+ ActiveSupport::Deprecation.warn "Inheriting from ActionView::Template::Handler is deprecated. " <<
+ "All the API your template handler needs to implement is to respond to #call."
+ super
+ end
+
def self.call(template)
raise "Need to implement #{self.class.name}#call(template)"
end
diff --git a/actionpack/lib/action_view/template/handlers.rb b/actionpack/lib/action_view/template/handlers.rb
index ed397699b0..60347e2a95 100644
--- a/actionpack/lib/action_view/template/handlers.rb
+++ b/actionpack/lib/action_view/template/handlers.rb
@@ -7,13 +7,9 @@ module ActionView #:nodoc:
autoload :Builder, 'action_view/template/handlers/builder'
def self.extended(base)
- base.register_default_template_handler :erb, ERB
- base.register_template_handler :rjs, RJS
- base.register_template_handler :builder, Builder
-
- # TODO: Depreciate old template extensions
- base.register_template_handler :rhtml, ERB
- base.register_template_handler :rxml, Builder
+ base.register_default_template_handler :erb, ERB.new
+ base.register_template_handler :rjs, RJS.new
+ base.register_template_handler :builder, Builder.new
end
@@template_handlers = {}
diff --git a/actionpack/lib/action_view/template/handlers/builder.rb b/actionpack/lib/action_view/template/handlers/builder.rb
index a93cfca8aa..2c52cfd90e 100644
--- a/actionpack/lib/action_view/template/handlers/builder.rb
+++ b/actionpack/lib/action_view/template/handlers/builder.rb
@@ -1,11 +1,11 @@
module ActionView
module Template::Handlers
- class Builder < Template::Handler
- include Compilable
-
+ class Builder
+ # Default format used by Builder.
+ class_attribute :default_format
self.default_format = Mime::XML
- def compile(template)
+ def call(template)
require 'builder'
"xml = ::Builder::XmlMarkup.new(:indent => 2);" +
"self.output_buffer = xml.target!;" +
diff --git a/actionpack/lib/action_view/template/handlers/erb.rb b/actionpack/lib/action_view/template/handlers/erb.rb
index 24e1e44c1d..b827610456 100644
--- a/actionpack/lib/action_view/template/handlers/erb.rb
+++ b/actionpack/lib/action_view/template/handlers/erb.rb
@@ -1,6 +1,7 @@
require 'active_support/core_ext/class/attribute_accessors'
require 'active_support/core_ext/string/output_safety'
-require "action_view/template"
+require 'action_view/template'
+require 'action_view/template/handler'
require 'erubis'
module ActionView
@@ -47,28 +48,31 @@ module ActionView
end
end
- class ERB < Handler
- include Compilable
-
- ##
- # :singleton-method:
+ class ERB
# Specify trim mode for the ERB compiler. Defaults to '-'.
# See ERb documentation for suitable values.
- cattr_accessor :erb_trim_mode
+ class_attribute :erb_trim_mode
self.erb_trim_mode = '-'
+ # Default format used by ERB.
+ class_attribute :default_format
self.default_format = Mime::HTML
- cattr_accessor :erb_implementation
+ # Default implemenation used.
+ class_attribute :erb_implementation
self.erb_implementation = Erubis
ENCODING_TAG = Regexp.new("\\A(<%#{ENCODING_FLAG}-?%>)[ \\t]*")
- def self.handles_encoding?
+ def self.call(template)
+ new.call(template)
+ end
+
+ def handles_encoding?
true
end
- def compile(template)
+ def call(template)
if template.source.encoding_aware?
# First, convert to BINARY, so in case the encoding is
# wrong, we can still find an encoding tag
@@ -94,6 +98,7 @@ module ActionView
end
private
+
def valid_encoding(string, encoding)
# If a magic encoding comment was found, tag the
# String with this encoding. This is for a case
diff --git a/actionpack/lib/action_view/template/handlers/rjs.rb b/actionpack/lib/action_view/template/handlers/rjs.rb
index 128be5077c..9d71059134 100644
--- a/actionpack/lib/action_view/template/handlers/rjs.rb
+++ b/actionpack/lib/action_view/template/handlers/rjs.rb
@@ -1,17 +1,13 @@
module ActionView
module Template::Handlers
- class RJS < Template::Handler
- include Compilable
-
+ class RJS
+ # Default format used by RJS.
+ class_attribute :default_format
self.default_format = Mime::JS
- def compile(template)
+ def call(template)
"update_page do |page|;#{template.source}\nend"
end
-
- def default_format
- Mime::JS
- end
end
end
end
diff --git a/actionpack/lib/action_view/template/inline.rb b/actionpack/lib/action_view/template/inline.rb
new file mode 100644
index 0000000000..be08065b6b
--- /dev/null
+++ b/actionpack/lib/action_view/template/inline.rb
@@ -0,0 +1,20 @@
+require 'digest/md5'
+
+module ActionView
+ class Template
+ class Inline < ::ActionView::Template
+ def initialize(source, handler, options={})
+ super(source, "inline template", handler, options)
+ end
+
+ def md5_source
+ @md5_source ||= Digest::MD5.hexdigest(source)
+ end
+
+ def eql?(other)
+ other.is_a?(Inline) && other.md5_source == md5_source
+ end
+ end
+ end
+end
+ \ No newline at end of file
diff --git a/actionpack/lib/action_view/template/resolver.rb b/actionpack/lib/action_view/template/resolver.rb
index a261e08dbc..7707dbcf98 100644
--- a/actionpack/lib/action_view/template/resolver.rb
+++ b/actionpack/lib/action_view/template/resolver.rb
@@ -6,9 +6,8 @@ module ActionView
# = Action View Resolver
class Resolver
def initialize
- @path = nil
- @cached = Hash.new { |h1,k1| h1[k1] =
- Hash.new { |h2,k2| h2[k2] = Hash.new { |h3, k3| h3[k3] = {} } } }
+ @cached = Hash.new { |h1,k1| h1[k1] = Hash.new { |h2,k2|
+ h2[k2] = Hash.new { |h3,k3| h3[k3] = Hash.new { |h4,k4| h4[k4] = {} } } } }
end
def clear_cache
@@ -16,8 +15,8 @@ module ActionView
end
# Normalizes the arguments and passes it on to find_template.
- def find_all(name, prefix=nil, partial=false, details={}, key=nil)
- cached(key, prefix, name, partial) do
+ def find_all(name, prefix=nil, partial=false, details={}, locals=[], key=nil)
+ cached(key, [name, prefix, partial], details, locals) do
find_templates(name, prefix, partial, details)
end
end
@@ -35,34 +34,73 @@ module ActionView
raise NotImplementedError
end
- def cached(key, prefix, name, partial)
- return yield unless key && caching?
- @cached[key][prefix][name][partial] ||= yield
+ # Helpers that builds a path. Useful for building virtual paths.
+ def build_path(name, prefix, partial)
+ path = ""
+ path << "#{prefix}/" unless prefix.empty?
+ path << (partial ? "_#{name}" : name)
+ path
+ end
+
+ # Hnadles templates caching. If a key is given and caching is on
+ # always check the cache before hitting the resolver. Otherwise,
+ # it always hits the resolver but check if the resolver is fresher
+ # before returning it.
+ def cached(key, path_info, details, locals) #:nodoc:
+ name, prefix, partial = path_info
+ locals = sort_locals(locals)
+
+ if key && caching?
+ @cached[key][name][prefix][partial][locals] ||= decorate(yield, path_info, details, locals)
+ else
+ fresh = decorate(yield, path_info, details, locals)
+ return fresh unless key
+
+ scope = @cached[key][name][prefix][partial]
+ cache = scope[locals]
+ mtime = cache && cache.map(&:updated_at).max
+
+ if !mtime || fresh.empty? || fresh.any? { |t| t.updated_at > mtime }
+ scope[locals] = fresh
+ else
+ cache
+ end
+ end
+ end
+
+ # Ensures all the resolver information is set in the template.
+ def decorate(templates, path_info, details, locals) #:nodoc:
+ cached = nil
+ templates.each do |t|
+ t.locals = locals
+ t.formats = details[:formats] || [:html] if t.formats.empty?
+ t.virtual_path ||= (cached ||= build_path(*path_info))
+ end
+ end
+
+ if :symbol.respond_to?("<=>")
+ def sort_locals(locals) #:nodoc:
+ locals.sort.freeze
+ end
+ else
+ def sort_locals(locals) #:nodoc:
+ locals = locals.map{ |l| l.to_s }
+ locals.sort!
+ locals.freeze
+ end
end
end
class PathResolver < Resolver
EXTENSION_ORDER = [:locale, :formats, :handlers]
- def to_s
- @path.to_s
- end
- alias :to_path :to_s
-
- private
+ private
def find_templates(name, prefix, partial, details)
- path = build_path(name, prefix, partial, details)
+ path = build_path(name, prefix, partial)
query(path, EXTENSION_ORDER.map { |ext| details[ext] }, details[:formats])
end
- def build_path(name, prefix, partial, details)
- path = ""
- path << "#{prefix}/" unless prefix.empty?
- path << (partial ? "_#{name}" : name)
- path
- end
-
def query(path, exts, formats)
query = File.join(@path, path)
@@ -76,26 +114,28 @@ module ActionView
contents = File.open(p, "rb") {|io| io.read }
Template.new(contents, File.expand_path(p), handler,
- :virtual_path => path, :format => format)
+ :virtual_path => path, :format => format, :updated_at => mtime(p))
end
end
+ # Returns the file mtime from the filesystem.
+ def mtime(p)
+ File.stat(p).mtime
+ end
+
# Extract handler and formats from path. If a format cannot be a found neither
# from the path, or the handler, we should return the array of formats given
# to the resolver.
def extract_handler_and_format(path, default_formats)
pieces = File.basename(path).split(".")
pieces.shift
-
- handler = Template.handler_class_for_extension(pieces.pop)
- format = pieces.last && Mime[pieces.last] && pieces.pop.to_sym
- format ||= handler.default_format if handler.respond_to?(:default_format)
- format ||= default_formats
-
+ handler = Template.handler_class_for_extension(pieces.pop)
+ format = pieces.last && Mime[pieces.last]
[handler, format]
end
end
+ # A resolver that loads files from the filesystem.
class FileSystemResolver < PathResolver
def initialize(path)
raise ArgumentError, "path already is a Resolver class" if path.is_a?(Resolver)
@@ -103,9 +143,26 @@ module ActionView
@path = File.expand_path(path)
end
+ def to_s
+ @path.to_s
+ end
+ alias :to_path :to_s
+
def eql?(resolver)
self.class.equal?(resolver.class) && to_path == resolver.to_path
end
alias :== :eql?
end
+
+ # The same as FileSystemResolver but does not allow templates to store
+ # a virtual path since it is invalid for such resolvers.
+ class FallbackFileSystemResolver < FileSystemResolver
+ def self.instances
+ [new(""), new("/")]
+ end
+
+ def decorate(*)
+ super.each { |t| t.virtual_path = nil }
+ end
+ end
end
diff --git a/actionpack/lib/action_view/template/text.rb b/actionpack/lib/action_view/template/text.rb
index 51be831dfb..4261c3b5e2 100644
--- a/actionpack/lib/action_view/template/text.rb
+++ b/actionpack/lib/action_view/template/text.rb
@@ -25,10 +25,6 @@ module ActionView #:nodoc:
def formats
[@mime_type.to_sym]
end
-
- def partial?
- false
- end
end
end
end