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path: root/actionview/lib/action_view/template.rb
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* Deprecate Template#refreshJohn Hawthorn2019-04-041-19/+1
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* Add ActionView::Template::Sources::FileJohn Hawthorn2019-04-041-1/+6
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* Don't call Template#refreshJohn Hawthorn2019-04-041-6/+1
| | | | | Now that Template#source will always return a source, this is unnecessary.
* Don't discard source after renderingJohn Hawthorn2019-04-041-3/+0
| | | | | | | | | | Previously, we would discard the template source after rendering, if we had a virtual path, in hopes that the virtual path would let us find our same template again going through the Resolver. Previously we discarded the source as an optimization, to avoid keeping it around in memory. By instead just reading the file every time source is called, as FileTemplate does, this is unnecessary.
* Rename File to RawFileCliff Pruitt2019-04-011-1/+1
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* Merge pull request #35688 from jhawthorn/render_file_rfcAaron Patterson2019-03-301-1/+2
|\ | | | | RFC: Introduce Template::File
| * Introduce Template::File as new render file:John Hawthorn2019-03-271-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The previous behaviour of render file: was essentially the same as render template:, except that templates can be specified as an absolute path on the filesystem. This makes sense for historic reasons, but now render file: is almost exclusively used to render raw files (not .erb) like public/404.html. In addition to complicating the code in template/resolver.rb, I think the current behaviour is surprising to developers. This commit deprecates the existing "lookup a template from anywhere" behaviour and replaces it with "render this file exactly as it is on disk". Handlers will no longer be used (it will render the same as if the :raw handler was used), but formats (.html, .xml, etc) will still be detected (and will default to :plain). The existing render file: behaviour was the path through which Rails apps were vulnerable in the recent CVE-2019-5418. Although the vulnerability has been patched in a fully backwards-compatible way, I think it's a strong hint that we should drop the existing previously-vulnerable behaviour if it isn't a benefit to developers.
* | Merge pull request #35308 from ↵Rafael França2019-03-281-1/+9
|\ \ | |/ |/| | | | | erose/better-error-reporting-for-syntax-errors-in-templates Display a more helpful error message when an ERB template has a Ruby syntax error.
| * Add handling and tests.Eli Rose2019-02-171-1/+9
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* | Re-add Template#updated_at as deprecatedJohn Hawthorn2019-03-191-4/+11
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* | Merge pull request #35623 from jhawthorn/actionview_cacheAaron Patterson2019-03-151-5/+4
|\ \ | | | | | | Make Template::Resolver always cache
| * | Remove updated_at from TemplatesJohn Hawthorn2019-03-151-5/+4
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* | | Rename `ActionView::Base#run` to `#_run`Seb Jacobs2019-03-151-1/+1
|/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There was a recent change by @tenderlove to Action view which introduced `ActionView::Base#run` [1]. We ran into an issue with our application because one of the core concepts in our domain model is a `Run` which is exposed in most of our views as a helper method, which now conflicts with this new method. Although this is a public method it is not really meant to be part of the public API. In order to discourage public use of this method and to reduce the chances of this method conflicting with helper methods we can prefix this method with an underscore, renaming this method to `_run`. [1] https://github.com/rails/rails/commit/c740ebdaf5
* | Allow format to be nilJohn Hawthorn2019-02-261-5/+0
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* | `original_encoding` isn't used, so deprecate it and remove the ivarAaron Patterson2019-02-251-3/+3
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* | Expand key word args for ActionView::TemplateAaron Patterson2019-02-251-3/+3
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* | Don't mutate `virtual_path`, remove `decorate`Aaron Patterson2019-02-251-3/+2
| | | | | | | | | | | | `virtual_path` is calculated in the constructor when the Template object is allocated. We don't actually need to set it in the `decorate` method. That means we can remove the decorate method all together.
* | Pass locals in to the template object on constructionAaron Patterson2019-02-251-4/+10
| | | | | | | | | | | | | | This commit ensures that locals are passed in to the template objects when they are constructed, then removes the `locals=` mutator on the template object. This means we don't need to mutate Template objects with locals in the `decorate` method.
* | Merge pull request #35408 from rails/template-has-one-variantAaron Patterson2019-02-251-10/+9
|\ \ | | | | | | Template has one variant
| * | Change `variants` to `variant`Aaron Patterson2019-02-251-9/+8
| | | | | | | | | | | | | | | | | | Templates only have one variant, so we should not store it in an array. This commit converts `variants` to `variant` and deprecates the plural accessor
| * | Convert `variant` to a keyword argAaron Patterson2019-02-251-2/+2
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* | | Improve Template#inspect output (#35407)John Hawthorn2019-02-251-2/+6
|/ / | | | | | | | | | | | | | | | | | | | | | | | | * Don't call inspect from identifier_method_name * Add locals Template#inspect Handler, formats, and variant are usually obvious from looking at the identifier. However it's not uncommon to have different locals for the same template so we should make that obvious in inspect. * Add tests for short_identifier and inspect [John Hawthorn + Rafael Mendonça França]
* | Templates have one formatAaron Patterson2019-02-251-6/+7
| | | | | | | | | | | | | | Templates only have one format. Before this commit, templates would be constructed with a single element array that contained the format. This commit eliminates the single element array and just implements a `format` method. This saves one array allocation per template.
* | Update actionview/lib/action_view/template.rbRyuta Kamizono2019-02-251-1/+1
| | | | | | Co-Authored-By: tenderlove <tenderlove@github.com>
* | remove the formats writer on templatesAaron Patterson2019-02-251-2/+6
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* | Dereference the format type before template constructionAaron Patterson2019-02-251-1/+1
| | | | | | | | | | The format should always be exactly one symbol. Now we don't need to check whether or not the format is a `Type` in the constructor.
* | Always pass a format to the ActionView::Template constructorAaron Patterson2019-02-251-2/+5
| | | | | | | | | | This means we can eliminate nil checks and remove some mutations from the `decorate` method.
* | Add a finalizer to inline templatesAaron Patterson2019-02-221-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This commit adds a finalizer just to inline templates. We can't cache compilation of inline templates because it's possible that people could have render calls that look like this: ```ruby loop do render inline: "#{rand}" end ``` and we would cache every one of these different inline templates. That would cause a memory leak. OTOH, we don't need finalizers on regular templates because we can cache, control, and detect changes to the template source. Fixes: #35372
* | Pass the template format to the digestorAaron Patterson2019-02-151-1/+1
|/ | | | | | | | | | | | | | | This commit passes the template format to the digestor in order to come up with a key. Before this commit, the digestor would depend on the side effect of the template renderer setting the rendered_format on the lookup context. I would like to remove that mutation, so I've changed this to pass the template format in to the digestor. I've introduced a new instance variable that will be alive during a template render. When the template is being rendered, it pushes the current template on to a stack, setting `@current_template` to the template currently being rendered. When the cache helper asks the digestor for a key, it uses the format of the template currently on the stack.
* Deprecate finalizer configuration (it doesn't do anything)Aaron Patterson2019-02-061-0/+9
| | | | | | Revert "Remove finalizer and configuration" This reverts commit 9e7b4a3173788ea43b11e74a4d2f69a5f1565daa.
* Remove finalizer and configurationAaron Patterson2019-02-061-15/+0
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* Speed up partial rendering by caching "variable" calculationAaron Patterson2019-02-051-0/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This commit speeds up rendering partials by caching the variable name calculation on the template. The variable name is based on the "virtual path" used for looking up the template. The same virtual path information lives on the template, so we can just ask the cached template object for the variable. This benchmark takes a couple files, so I'll cat them below: ``` [aaron@TC ~/g/r/actionview (speed-up-partials)]$ cat render_benchmark.rb require "benchmark/ips" require "action_view" require "action_pack" require "action_controller" class TestController < ActionController::Base end TestController.view_paths = [File.expand_path("test/benchmarks")] controller_view = TestController.new.view_context result = Benchmark.ips do |x| x.report("render") do controller_view.render("many_partials") end end [aaron@TC ~/g/r/actionview (speed-up-partials)]$ cat test/benchmarks/test/_many_partials.html.erb Looping: <ul> <% 100.times do |i| %> <%= render partial: "list_item", locals: { i: i } %> <% end %> </ul> [aaron@TC ~/g/r/actionview (speed-up-partials)]$ cat test/benchmarks/test/_list_item.html.erb <li>Number: <%= i %></li> ``` Benchmark results (master): ``` [aaron@TC ~/g/r/actionview (master)]$ be ruby render_benchmark.rb Warming up -------------------------------------- render 41.000 i/100ms Calculating ------------------------------------- render 424.269 (± 3.5%) i/s - 2.132k in 5.031455s ``` Benchmark results (this branch): ``` [aaron@TC ~/g/r/actionview (speed-up-partials)]$ be ruby render_benchmark.rb Warming up -------------------------------------- render 50.000 i/100ms Calculating ------------------------------------- render 521.862 (± 3.8%) i/s - 2.650k in 5.085885s ```
* Pass source to template handler and deprecate old style handlerAaron Patterson2019-02-011-2/+1
| | | | | | | | | This commit passes the mutated source to the template handler as a parameter and deprecates the old handlers. Old handlers required that templates contain a reference to mutated source code, but we would like to make template objects "read only". This change lets the template remain "read only" while still giving template handlers access to the source code after mutations.
* Introduce a file type template, deprecate `Template#refresh`Aaron Patterson2019-02-011-1/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Every template that specifies a "virtual path" loses the template source when the template gets compiled: https://github.com/rails/rails/blob/eda0f574f129fcd5ad1fc58b55cb6d1db71ea95c/actionview/lib/action_view/template.rb#L275 The "refresh" method seems to think that the source code for a template can be recovered if there is a virtual path: https://github.com/rails/rails/blob/eda0f574f129fcd5ad1fc58b55cb6d1db71ea95c/actionview/lib/action_view/template.rb#L171-L188 Every call site that allocates a template object *and* provides a "virtual path" reads the template contents from the filesystem: https://github.com/rails/rails/blob/eda0f574f129fcd5ad1fc58b55cb6d1db71ea95c/actionview/lib/action_view/template/resolver.rb#L229-L231 Templates that are inline or literals don't provide a "virtual path": https://github.com/rails/rails/blob/eda0f574f129fcd5ad1fc58b55cb6d1db71ea95c/actionview/lib/action_view/renderer/template_renderer.rb#L34 This commit introduces a `FileTemplate` type that subclasses `Template`. The `FileTemplate` keeps a reference to the filename, and reads the source from the filesystem. This effectively makes the template source immutable. Other classes depended on the source to be mutated while being compiled, so this commit also introduces a temporary way to pass the mutated source to the ERB (or whatever) compiler. See `LegacyTemplate`. I think we should consider it an error to provide a virtual path on a non file type template an non-file templates can't recover their source. Here is an example: https://github.com/rails/rails/blob/eda0f574f129fcd5ad1fc58b55cb6d1db71ea95c/actionview/lib/action_view/testing/resolvers.rb#L53 This provides a "virtual path" so the source code (a string literal) is thrown away after compilation. Clearly we can't recover that string, so I think this should be an error.
* use the source returned from encode!Aaron Patterson2019-01-311-3/+5
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* Ask the view for its method containerAaron Patterson2019-01-181-5/+1
| | | | | | Rather than doing is_a? checks, ask the view object for its compiled method container. This gives us the power to replace the method container depending on the instance of the view.
* Pull up virtual path assignmentAaron Patterson2019-01-161-3/+1
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* Always evaluate views against an ActionView::BaseAaron Patterson2019-01-161-3/+3
| | | | | Methods created by views should always be evaluated against an AV::Base instance. This way we can extract and refactor things in to classes.
* Pull output buffer conditional upAaron Patterson2019-01-161-1/+1
| | | | | | This pulls the "output buffer existence" conditional up. Instead of evaling the same conditional over and over, we can pull it in to "only compiled once" Ruby code.
* Fix rubocop issuebogdanvlviv2018-10-031-1/+1
| | | | | | | | Fixes: `Layout/TrailingWhitespace: Trailing whitespace detected. See https://codeclimate.com/github/rails/rails/issues Releted to b707a6d0eb7
* Fix spellings for 'unmarshall(ing/ed)' & 'marshall(ing/ed)'Sharang Dashputre2018-10-021-3/+3
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* Merge pull request #32031 from yahonda/remove_redundant_freezeRyuta Kamizono2018-10-011-4/+4
|\ | | | | Add `Style/RedundantFreeze` to remove redudant `.freeze`
| * Add `Style/RedundantFreeze` to remove redudant `.freeze`Yasuo Honda2018-09-291-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since Rails 6.0 will support Ruby 2.4.1 or higher `# frozen_string_literal: true` magic comment is enough to make string object frozen. This magic comment is enabled by `Style/FrozenStringLiteralComment` cop. * Exclude these files not to auto correct false positive `Regexp#freeze` - 'actionpack/lib/action_dispatch/journey/router/utils.rb' - 'activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb' It has been fixed by https://github.com/rubocop-hq/rubocop/pull/6333 Once the newer version of RuboCop released and available at Code Climate these exclude entries should be removed. * Replace `String#freeze` with `String#-@` manually if explicit frozen string objects are required - 'actionpack/test/controller/test_case_test.rb' - 'activemodel/test/cases/type/string_test.rb' - 'activesupport/lib/active_support/core_ext/string/strip.rb' - 'activesupport/test/core_ext/string_ext_test.rb' - 'railties/test/generators/actions_test.rb'
* | Explain why we have explicit marshaling methodsDavid Heinemeier Hansson2018-09-301-2/+6
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* | make actionview templates marshalable so that they can be serialized during ↵lsylvester2018-09-301-0/+9
|/ | | | the parallel tests (#34030)
* Enable `Performance/UnfreezeString` copyuuji.yaginuma2018-09-231-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In Ruby 2.3 or later, `String#+@` is available and `+@` is faster than `dup`. ```ruby # frozen_string_literal: true require "bundler/inline" gemfile(true) do source "https://rubygems.org" gem "benchmark-ips" end Benchmark.ips do |x| x.report('+@') { +"" } x.report('dup') { "".dup } x.compare! end ``` ``` $ ruby -v benchmark.rb ruby 2.5.1p57 (2018-03-29 revision 63029) [x86_64-linux] Warming up -------------------------------------- +@ 282.289k i/100ms dup 187.638k i/100ms Calculating ------------------------------------- +@ 6.775M (± 3.6%) i/s - 33.875M in 5.006253s dup 3.320M (± 2.2%) i/s - 16.700M in 5.032125s Comparison: +@: 6775299.3 i/s dup: 3320400.7 i/s - 2.04x slower ```
* Use `:default` option in order to set default value of ↵bogdanvlviv2018-04-031-2/+1
| | | | | | | | | | | | `finalize_compiled_template_methods` Since we introduced default option for `class_attribute` and `mattr_accessor` family of methods and changed all occurrences of setting default values by using of `:default` option I think it would be fine to use `:default` option in order to set default value of `finalize_compiled_template_methods` since it expresses itself very well. Related to #29294, #32418
* Add `action_view.finalize_compiled_template_methods` config optionSimon Coffey2018-04-021-1/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | ActionView::Template instances compile their source to methods on the ActionView::CompiledTemplates module. To prevent leaks in development mode, where templates can frequently change, a finalizer is added that undefines these methods[1] when the templates are garbage-collected. This is undesirable in the test environment, however, as templates don't change during the life of the test. Moreover, the cost of undefining a method is proportional to the number of descendants a class or module has, since the method cache must be cleared for all descendant classes. As ActionView::CompiledTemplates is mixed into every ActionView::TestCase (or in RSpec suites, every view spec example group), it can end up with a very large number of descendants, and undefining its methods can become very expensive. In large test suites, this results in a long delay at the end of the test suite as all template finalizers are run, only for the process to then exit. To avoid this unnecessary cost, this change adds a config option, `action_view.finalize_compiled_template_methods`, defaulting to true, and sets it to false in the test environment only. [1] https://github.com/rails/rails/blob/09b2348f7fc8d4e7191e70e06608c5909067e2aa/actionview/lib/action_view/template.rb#L118-L126
* Fix outdated comment [ci skip]yuuji.yaginuma2017-09-021-1/+1
| | | | We do not use double assign since 61f92f8bc5fa0b486fc56f249fa23f1102e79759.
* double assign is no longer an effective workaround for unused variable warningAkira Matsuda2017-09-011-1/+1
| | | | `def a() x = x = 1; end` warns since Ruby 2.5 (r59585)
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