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-rw-r--r--actionview/lib/action_view/base.rb2
-rw-r--r--actionview/lib/action_view/template/handlers/erb.rb77
-rw-r--r--actionview/lib/action_view/template/handlers/erb/erubi.rb81
-rw-r--r--actionview/lib/action_view/template/handlers/erb/erubis.rb80
4 files changed, 167 insertions, 73 deletions
diff --git a/actionview/lib/action_view/base.rb b/actionview/lib/action_view/base.rb
index b7c05fdb88..5387174467 100644
--- a/actionview/lib/action_view/base.rb
+++ b/actionview/lib/action_view/base.rb
@@ -11,7 +11,7 @@ module ActionView #:nodoc:
# = Action View Base
#
# Action View templates can be written in several ways.
- # If the template file has a <tt>.erb</tt> extension, then it uses the erubis[https://rubygems.org/gems/erubis]
+ # If the template file has a <tt>.erb</tt> extension, then it uses the erubi[https://rubygems.org/gems/erubi]
# template system which can embed Ruby into an HTML document.
# If the template file has a <tt>.builder</tt> extension, then Jim Weirich's Builder::XmlMarkup library is used.
#
diff --git a/actionview/lib/action_view/template/handlers/erb.rb b/actionview/lib/action_view/template/handlers/erb.rb
index 5d047a6991..cee5408aa9 100644
--- a/actionview/lib/action_view/template/handlers/erb.rb
+++ b/actionview/lib/action_view/template/handlers/erb.rb
@@ -1,79 +1,12 @@
-require "erubis"
-
module ActionView
class Template
module Handlers
- class Erubis < ::Erubis::Eruby
- def add_preamble(src)
- @newline_pending = 0
- src << "@output_buffer = output_buffer || ActionView::OutputBuffer.new;"
- end
-
- def add_text(src, text)
- return if text.empty?
-
- if text == "\n"
- @newline_pending += 1
- else
- src << "@output_buffer.safe_append='"
- src << "\n" * @newline_pending if @newline_pending > 0
- src << escape_text(text)
- src << "'.freeze;"
-
- @newline_pending = 0
- end
- end
-
- # Erubis toggles <%= and <%== behavior when escaping is enabled.
- # We override to always treat <%== as escaped.
- def add_expr(src, code, indicator)
- case indicator
- when "=="
- add_expr_escaped(src, code)
- else
- super
- end
- end
-
- BLOCK_EXPR = /\s*((\s+|\))do|\{)(\s*\|[^|]*\|)?\s*\Z/
-
- def add_expr_literal(src, code)
- flush_newline_if_pending(src)
- if BLOCK_EXPR.match?(code)
- src << "@output_buffer.append= " << code
- else
- src << "@output_buffer.append=(" << code << ");"
- end
- end
-
- def add_expr_escaped(src, code)
- flush_newline_if_pending(src)
- if BLOCK_EXPR.match?(code)
- src << "@output_buffer.safe_expr_append= " << code
- else
- src << "@output_buffer.safe_expr_append=(" << code << ");"
- end
- end
-
- def add_stmt(src, code)
- flush_newline_if_pending(src)
- super
- end
-
- def add_postamble(src)
- flush_newline_if_pending(src)
- src << "@output_buffer.to_s"
- end
-
- def flush_newline_if_pending(src)
- if @newline_pending > 0
- src << "@output_buffer.safe_append='#{"\n" * @newline_pending}'.freeze;"
- @newline_pending = 0
- end
- end
- end
+ Erubis = ActiveSupport::Deprecation::DeprecatedConstantProxy.new("Erubis", "ActionView::Template::Handlers::ERB::Erubis", message: "ActionView::Template::Handlers::Erubis is deprecated and will be removed from Rails 5.2. Switch to ActionView::Template::Handlers::ERB::Erubi instead.")
class ERB
+ autoload :Erubi, "action_view/template/handlers/erb/erubi"
+ autoload :Erubis, "action_view/template/handlers/erb/erubis"
+
# Specify trim mode for the ERB compiler. Defaults to '-'.
# See ERB documentation for suitable values.
class_attribute :erb_trim_mode
@@ -81,7 +14,7 @@ module ActionView
# Default implementation used.
class_attribute :erb_implementation
- self.erb_implementation = Erubis
+ self.erb_implementation = Erubi
# Do not escape templates of these mime types.
class_attribute :escape_whitelist
diff --git a/actionview/lib/action_view/template/handlers/erb/erubi.rb b/actionview/lib/action_view/template/handlers/erb/erubi.rb
new file mode 100644
index 0000000000..755cc84015
--- /dev/null
+++ b/actionview/lib/action_view/template/handlers/erb/erubi.rb
@@ -0,0 +1,81 @@
+require "erubi"
+
+module ActionView
+ class Template
+ module Handlers
+ class ERB
+ class Erubi < ::Erubi::Engine
+ # :nodoc: all
+ def initialize(input, properties = {})
+ @newline_pending = 0
+
+ # Dup properties so that we don't modify argument
+ properties = Hash[properties]
+ properties[:preamble] = "@output_buffer = output_buffer || ActionView::OutputBuffer.new;"
+ properties[:postamble] = "@output_buffer.to_s"
+ properties[:bufvar] = "@output_buffer"
+ properties[:escapefunc] = ""
+
+ super
+ end
+
+ def evaluate(action_view_erb_handler_context)
+ pr = eval("proc { #{@src} }", binding, @filename || "(erubi)")
+ action_view_erb_handler_context.instance_eval(&pr)
+ end
+
+ private
+ def add_text(text)
+ return if text.empty?
+
+ if text == "\n"
+ @newline_pending += 1
+ else
+ src << "@output_buffer.safe_append='"
+ src << "\n" * @newline_pending if @newline_pending > 0
+ src << text.gsub(/['\\]/, '\\\\\&')
+ src << "'.freeze;"
+
+ @newline_pending = 0
+ end
+ end
+
+ BLOCK_EXPR = /\s*((\s+|\))do|\{)(\s*\|[^|]*\|)?\s*\Z/
+
+ def add_expression(indicator, code)
+ flush_newline_if_pending(src)
+
+ if (indicator == "==") || @escape
+ src << "@output_buffer.safe_expr_append="
+ else
+ src << "@output_buffer.append="
+ end
+
+ if BLOCK_EXPR.match?(code)
+ src << " " << code
+ else
+ src << "(" << code << ");"
+ end
+ end
+
+ def add_code(code)
+ flush_newline_if_pending(src)
+ super
+ end
+
+ def add_postamble(_)
+ flush_newline_if_pending(src)
+ super
+ end
+
+ def flush_newline_if_pending(src)
+ if @newline_pending > 0
+ src << "@output_buffer.safe_append='#{"\n" * @newline_pending}'.freeze;"
+ @newline_pending = 0
+ end
+ end
+ end
+ end
+ end
+ end
+end
diff --git a/actionview/lib/action_view/template/handlers/erb/erubis.rb b/actionview/lib/action_view/template/handlers/erb/erubis.rb
new file mode 100644
index 0000000000..bf316ceec5
--- /dev/null
+++ b/actionview/lib/action_view/template/handlers/erb/erubis.rb
@@ -0,0 +1,80 @@
+require "erubis"
+
+module ActionView
+ class Template
+ module Handlers
+ class ERB
+ class Erubis < ::Erubis::Eruby
+ # :nodoc: all
+ def add_preamble(src)
+ @newline_pending = 0
+ src << "@output_buffer = output_buffer || ActionView::OutputBuffer.new;"
+ end
+
+ def add_text(src, text)
+ return if text.empty?
+
+ if text == "\n"
+ @newline_pending += 1
+ else
+ src << "@output_buffer.safe_append='"
+ src << "\n" * @newline_pending if @newline_pending > 0
+ src << escape_text(text)
+ src << "'.freeze;"
+
+ @newline_pending = 0
+ end
+ end
+
+ # Erubis toggles <%= and <%== behavior when escaping is enabled.
+ # We override to always treat <%== as escaped.
+ def add_expr(src, code, indicator)
+ case indicator
+ when "=="
+ add_expr_escaped(src, code)
+ else
+ super
+ end
+ end
+
+ BLOCK_EXPR = /\s*((\s+|\))do|\{)(\s*\|[^|]*\|)?\s*\Z/
+
+ def add_expr_literal(src, code)
+ flush_newline_if_pending(src)
+ if BLOCK_EXPR.match?(code)
+ src << "@output_buffer.append= " << code
+ else
+ src << "@output_buffer.append=(" << code << ");"
+ end
+ end
+
+ def add_expr_escaped(src, code)
+ flush_newline_if_pending(src)
+ if BLOCK_EXPR.match?(code)
+ src << "@output_buffer.safe_expr_append= " << code
+ else
+ src << "@output_buffer.safe_expr_append=(" << code << ");"
+ end
+ end
+
+ def add_stmt(src, code)
+ flush_newline_if_pending(src)
+ super
+ end
+
+ def add_postamble(src)
+ flush_newline_if_pending(src)
+ src << "@output_buffer.to_s"
+ end
+
+ def flush_newline_if_pending(src)
+ if @newline_pending > 0
+ src << "@output_buffer.safe_append='#{"\n" * @newline_pending}'.freeze;"
+ @newline_pending = 0
+ end
+ end
+ end
+ end
+ end
+ end
+end