Class: ActionDispatch::DebugExceptions::DebugView

Relationships & Source Files
Super Chains via Extension / Inclusion / Inheritance
Class Chain: self, `::ActionView::Base`
Instance Chain: self, `::ActionView::Base`, `::ActionView::Helpers::RenderingHelper`, `::ActionView::Helpers::RecordTagHelper`, `::ActionView::Helpers::NumberHelper`, `::ActionView::Helpers::JavaScriptHelper`, `::ActionView::Helpers::FormOptionsHelper`, `::ActionView::Helpers::FormHelper`, `::ActionView::RecordIdentifier`, `::ActionView::Helpers::FormTagHelper`, `::ActionView::Helpers::TextHelper`, `::ActionView::Helpers::SanitizeHelper`, `::ActionView::Helpers::UrlHelper`, `::ActionView::Helpers::DateHelper`, `::ActionView::Helpers::AssetTagHelper`, `::ActionView::Helpers::TagHelper`, `::ActionView::Helpers::CaptureHelper`, `::ActionView::Helpers::AssetUrlHelper`, `::ActiveSupport::Benchmarkable`, `::ERB::Util`, `::ActionView::Context`
Inherits:	ActionView::Base `::Object` ActionView::Base ActionDispatch::DebugExceptions::DebugView
Defined in:	actionpack/lib/action_dispatch/middleware/debug_exceptions.rb

Constant Summary

Class Attribute Summary

`::ActionView::Base` - Inherited

._routes, ._routes?,
.automatically_disable_submit_tag	Specify whether submit_tag should automatically disable on click.
.cache_template_loading, .cache_template_loading=,
.default_formats	Specify default_formats that can be rendered.
.field_error_proc	Specify the proc used to decorate input tags that refer to attributes with errors.
.logger, .logger?,
.prefix_partial_path_with_controller_namespace	Specify whether rendering within namespaced controllers should prefix the partial paths for `::ActiveModel` objects with the namespace.
.raise_on_missing_translations	Specify whether an error should be raised for missing translations.
.streaming_completion_on_exception	How to complete the streaming when an exception occurs.

Instance Attribute Summary

`::ActionView::Base` - Inherited

#_routes, #_routes?, #assigns, #automatically_disable_submit_tag, #config, #default_formats, #field_error_proc, #formats, #locale, #logger, #logger?, #lookup_context, #prefix_partial_path_with_controller_namespace, #raise_on_missing_translations, #streaming_completion_on_exception, #view_paths, #view_renderer

`::ActionView::Helpers::FormHelper` - Included

#default_form_builder, #form_with_generates_ids, #form_with_generates_remote_forms

`::ActionView::Helpers::FormTagHelper` - Included

#embed_authenticity_token_in_remote_forms

`::ActionView::Context` - Included

#output_buffer, #view_flow

`::ActionView::Helpers::RenderingHelper` - Included

#_layout_for	Overwrites _layout_for in the context object so it supports the case a block is passed to a partial.
#render	Returns the result of a render that’s dictated by the options hash.

`::ActionView::Helpers::NumberHelper` - Included

#number_to_currency	Formats a `number` into a currency string (e.g., $13.65).
#number_to_human	Pretty prints (formats and approximates) a number in a way it is more readable by humans (eg.: 1200000000 becomes “1.2 Billion”).
#number_to_human_size	Formats the bytes in `number` into a more understandable representation (e.g., giving it 1500 yields 1.5 KB).
#number_to_percentage	Formats a `number` as a percentage string (e.g., 65%).
#number_to_phone	Formats a `number` into a phone number (US by default e.g., (555) 123-9876).
#number_with_delimiter	Formats a `number` with grouped thousands using `delimiter` (e.g., 12,324).
#number_with_precision	Formats a `number` with the specified level of `:precision` (e.g., 112.32 has a precision of 2 if `:significant` is `false`, and 5 if `:significant` is `true`).

`::ActionView::Helpers::JavaScriptHelper` - Included

#escape_javascript	Escapes carriage returns and single and double quotes for JavaScript segments.
#j	Alias for ActionView::Helpers::JavaScriptHelper#escape_javascript.
#javascript_tag	Returns a JavaScript tag with the `content` inside.

`::ActionView::Helpers::FormOptionsHelper` - Included

#collection_check_boxes	Returns check box tags for the collection of existing return values of `method` for `object`‘s class.
#collection_radio_buttons	Returns radio button tags for the collection of existing return values of `method` for `object`‘s class.
#collection_select	Returns `<select>` and `<option>` tags for the collection of existing return values of `method` for `object`‘s class.
#grouped_collection_select	Returns `<select>`, `<optgroup>` and `<option>` tags for the collection of existing return values of `method` for `object`‘s class.
#grouped_options_for_select	Returns a string of `<option>` tags, like `options_for_select`, but wraps them with `<optgroup>` tags:
#option_groups_from_collection_for_select	Returns a string of `<option>` tags, like `options_from_collection_for_select`, but groups them by `<optgroup>` tags based on the object relationships of the arguments.
#options_for_select	Accepts a container (hash, array, enumerable, your type) and returns a string of option tags.
#options_from_collection_for_select	Returns a string of option tags that have been compiled by iterating over the `collection` and assigning the result of a call to the `value_method` as the option value and the `text_method` as the option text.
#select	Create a select tag and a series of contained option tags for the provided object and method.
#time_zone_options_for_select	Returns a string of option tags for pretty much any time zone in the world.
#time_zone_select	Returns select and option tags for the given object and method, using `#time_zone_options_for_select` to generate the list of option tags.

`::ActionView::Helpers::FormHelper` - Included

#check_box	Returns a checkbox tag tailored for accessing a specified attribute (identified by `method`) on an object assigned to the template (identified by `object`).
#color_field	Returns a text_field of type “color”.
#date_field	Returns a text_field of type “date”.
#datetime_field	Returns a text_field of type “datetime-local”.
#datetime_local_field	Alias for ActionView::Helpers::FormHelper#datetime_field.
#email_field	Returns a text_field of type “email”.
#fields	Scopes input fields with either an explicit scope or model.
#fields_for	Creates a scope around a specific model object like form_for, but doesn’t create the form tags themselves.
#file_field	Returns a file upload input tag tailored for accessing a specified attribute (identified by `method`) on an object assigned to the template (identified by `object`).
#form_for	Creates a form that allows the user to create or update the attributes of a specific model object.
#form_with	Creates a form tag based on mixing URLs, scopes, or models.
#hidden_field	Returns a hidden input tag tailored for accessing a specified attribute (identified by `method`) on an object assigned to the template (identified by `object`).
#label	Returns a label tag tailored for labelling an input field for a specified attribute (identified by `method`) on an object assigned to the template (identified by `object`).
#month_field	Returns a text_field of type “month”.
#number_field	Returns an input tag of type “number”.
#password_field	Returns an input tag of the “password” type tailored for accessing a specified attribute (identified by `method`) on an object assigned to the template (identified by `object`).
#phone_field	Alias for ActionView::Helpers::FormHelper#telephone_field.
#radio_button	Returns a radio button tag for accessing a specified attribute (identified by `method`) on an object assigned to the template (identified by `object`).
#range_field	Returns an input tag of type “range”.
#search_field	Returns an input of type “search” for accessing a specified attribute (identified by `method`) on an object assigned to the template (identified by `object_name`).
#telephone_field	Returns a text_field of type “tel”.
#text_area	Returns a textarea opening and closing tag set tailored for accessing a specified attribute (identified by `method`) on an object assigned to the template (identified by `object`).
#text_field	Returns an input tag of the “text” type tailored for accessing a specified attribute (identified by `method`) on an object assigned to the template (identified by `object`).
#time_field	Returns a text_field of type “time”.
#url_field	Returns a text_field of type “url”.
#week_field	Returns a text_field of type “week”.

`::ActionView::RecordIdentifier` - Included

#dom_class	The DOM class convention is to use the singular form of an object or class.
#dom_id	The DOM id convention is to use the singular form of an object or class with the id following an underscore.
#record_key_for_dom_id	Returns a string representation of the key attribute(s) that is suitable for use in an HTML DOM id.

`::ActionView::Helpers::FormTagHelper` - Included

#button_tag	Creates a button element that defines a `submit` button, `reset` button or a generic button which can be used in JavaScript, for example.
#check_box_tag	Creates a check box form input tag.
#color_field_tag	Creates a text field of type “color”.
#date_field_tag	Creates a text field of type “date”.
#datetime_field_tag	Creates a text field of type “datetime-local”.
#datetime_local_field_tag	Alias for ActionView::Helpers::FormTagHelper#datetime_field_tag.
#email_field_tag	Creates a text field of type “email”.
#field_set_tag	Creates a field set for grouping HTML form elements.
#file_field_tag	Creates a file upload field.
#form_tag	Starts a form tag that points the action to a url configured with `url_for_options` just like `ActionController::Base#url_for`.
#hidden_field_tag	Creates a hidden form input field used to transmit data that would be lost due to HTTP’s statelessness or data that should be hidden from the user.
#image_submit_tag	Displays an image which when clicked will submit the form.
#label_tag	Creates a label element.
#month_field_tag	Creates a text field of type “month”.
#number_field_tag	Creates a number field.
#password_field_tag	Creates a password field, a masked text field that will hide the users input behind a mask character.
#phone_field_tag	Alias for ActionView::Helpers::FormTagHelper#telephone_field_tag.
#radio_button_tag	Creates a radio button; use groups of radio buttons named the same to allow users to select from a group of options.
#range_field_tag	Creates a range form element.
#search_field_tag	Creates a text field of type “search”.
#select_tag	Creates a dropdown selection box, or if the `:multiple` option is set to true, a multiple choice selection box.
#submit_tag	Creates a submit button with the text `value` as the caption.
#telephone_field_tag	Creates a text field of type “tel”.
#text_area_tag	Creates a text input area; use a textarea for longer text inputs such as blog posts or descriptions.
#text_field_tag	Creates a standard text field; use these text fields to input smaller chunks of text like a username or a search query.
#time_field_tag	Creates a text field of type “time”.
#url_field_tag	Creates a text field of type “url”.
#utf8_enforcer_tag	Creates the hidden UTF8 enforcer tag.
#week_field_tag	Creates a text field of type “week”.

`::ActionView::Helpers::TextHelper` - Included

#concat	The preferred method of outputting text in your views is to use the <%= “text” %> eRuby syntax.
#current_cycle	Returns the current cycle string after a cycle has been started.
#cycle	Creates a Cycle object whose to_s method cycles through elements of an array every time it is called.
#excerpt	Extracts an excerpt from `text` that matches the first instance of `phrase`.
#highlight	Highlights one or more `phrases` everywhere in `text` by inserting it into a `:highlighter` string.
#pluralize	Attempts to pluralize the `singular` word unless `count` is 1.
#reset_cycle	Resets a cycle so that it starts from the first element the next time it is called.
#safe_concat,
#simple_format	Returns `text` transformed into HTML using simple formatting rules.
#truncate	Truncates a given `text` after a given `:length` if `text` is longer than `:length` (defaults to 30).
#word_wrap	Wraps the `text` into lines no longer than `line_width` width.

`::ActionView::Helpers::SanitizeHelper` - Included

#sanitize	Sanitizes HTML input, stripping all tags and attributes that aren’t whitelisted.
#sanitize_css	Sanitizes a block of CSS code.
#strip_links	Strips all link tags from `html` leaving just the link text.
#strip_tags	Strips all HTML tags from `html`, including comments and special characters.

`::ActionView::Helpers::UrlHelper` - Included

#button_to	Generates a form containing a single button that submits to the URL created by the set of `options`.
#current_page?	True if the current request `::URI` was generated by the given `options`.
#link_to	Creates an anchor element of the given `name` using a URL created by the set of `options`.
#link_to_if	Creates a link tag of the given `name` using a URL created by the set of `options` if `condition` is true, otherwise only the name is returned.
#link_to_unless	Creates a link tag of the given `name` using a URL created by the set of `options` unless `condition` is true, in which case only the name is returned.
#link_to_unless_current	Creates a link tag of the given `name` using a URL created by the set of `options` unless the current request `::URI` is the same as the links, in which case only the name is returned (or the given block is yielded, if one exists).
#mail_to	Creates a mailto link tag to the specified `email_address`, which is also used as the name of the link unless `name` is specified.

`::ActionView::Helpers::DateHelper` - Included

#date_select	Returns a set of select tags (one for year, month, and day) pre-selected for accessing a specified date-based attribute (identified by `method`) on an object assigned to the template (identified by `object`).
#datetime_select	Returns a set of select tags (one for year, month, day, hour, and minute) pre-selected for accessing a specified datetime-based attribute (identified by `method`) on an object assigned to the template (identified by `object`).
#distance_of_time_in_words	Reports the approximate distance in time between two `::Time`, `::Date` or `::DateTime` objects or integers as seconds.
#distance_of_time_in_words_to_now	Alias for ActionView::Helpers::DateHelper#time_ago_in_words.
#select_date	Returns a set of HTML select-tags (one for year, month, and day) pre-selected with the `date`.
#select_datetime	Returns a set of HTML select-tags (one for year, month, day, hour, minute, and second) pre-selected with the `datetime`.
#select_day	Returns a select tag with options for each of the days 1 through 31 with the current day selected.
#select_hour	Returns a select tag with options for each of the hours 0 through 23 with the current hour selected.
#select_minute	Returns a select tag with options for each of the minutes 0 through 59 with the current minute selected.
#select_month	Returns a select tag with options for each of the months January through December with the current month selected.
#select_second	Returns a select tag with options for each of the seconds 0 through 59 with the current second selected.
#select_time	Returns a set of HTML select-tags (one for hour and minute).
#select_year	Returns a select tag with options for each of the five years on each side of the current, which is selected.
#time_ago_in_words	Like `distance_of_time_in_words`, but where `to_time` is fixed to `Time.now`.
#time_select	Returns a set of select tags (one for hour, minute and optionally second) pre-selected for accessing a specified time-based attribute (identified by `method`) on an object assigned to the template (identified by `object`).
#time_tag	Returns an HTML time tag for the given date or time.

`::ActionView::Helpers::AssetTagHelper` - Included

#audio_tag	Returns an HTML audio tag for the `sources`.
#auto_discovery_link_tag	Returns a link tag that browsers and feed readers can use to auto-detect an RSS, Atom, or JSON feed.
#favicon_link_tag	Returns a link tag for a favicon managed by the asset pipeline.
#image_alt	Returns a string suitable for an HTML image tag alt attribute.
#image_tag	Returns an HTML image tag for the `source`.
#javascript_include_tag	Returns an HTML script tag for each of the `sources` provided.
#preload_link_tag	Returns a link tag that browsers can use to preload the `source`.
#stylesheet_link_tag	Returns a stylesheet link tag for the sources specified as arguments.
#video_tag	Returns an HTML video tag for the `sources`.

`::ActionView::Helpers::TagHelper` - Included

#cdata_section	Returns a CDATA section with the given `content`.
#content_tag	Returns an HTML block tag of type `name` surrounding the `content`.
#escape_once	Returns an escaped version of `html` without affecting existing escaped entities.
#tag	Returns an HTML tag.

`::ActionView::Helpers::CaptureHelper` - Included

#capture	The capture method extracts part of a template as a `::String` object.
#content_for	Calling `content_for` stores a block of markup in an identifier for later use.
#content_for?	`content_for?` checks whether any content has been captured yet using `content_for`.
#provide	The same as `content_for` but when used with streaming flushes straight back to the layout.

`::ActionView::Helpers::AssetUrlHelper` - Included

#asset_path	This is the entry point for all assets.
#asset_url	Computes the full URL to an asset in the public directory.
#audio_path	Computes the path to an audio asset in the public audios directory.
#audio_url	Computes the full URL to an audio asset in the public audios directory.
#compute_asset_extname	Compute extname to append to asset path.
#compute_asset_host	Pick an asset host for this source.
#compute_asset_path	Computes asset path to public directory.
#font_path	Computes the path to a font asset.
#font_url	Computes the full URL to a font asset.
#image_path	Computes the path to an image asset.
#image_url	Computes the full URL to an image asset.
#javascript_path	Computes the path to a JavaScript asset in the public javascripts directory.
#javascript_url	Computes the full URL to a JavaScript asset in the public javascripts directory.
#path_to_asset	Alias for ActionView::Helpers::AssetUrlHelper#asset_path.
#path_to_audio	Alias for ActionView::Helpers::AssetUrlHelper#audio_path.
#path_to_font	Alias for ActionView::Helpers::AssetUrlHelper#font_path.
#path_to_image	Alias for ActionView::Helpers::AssetUrlHelper#image_path.
#path_to_javascript	Alias for ActionView::Helpers::AssetUrlHelper#javascript_path.
#path_to_stylesheet	Alias for ActionView::Helpers::AssetUrlHelper#stylesheet_path.
#path_to_video	Alias for ActionView::Helpers::AssetUrlHelper#video_path.
#public_compute_asset_path	Alias for ActionView::Helpers::AssetUrlHelper#compute_asset_path.
#stylesheet_path	Computes the path to a stylesheet asset in the public stylesheets directory.
#stylesheet_url	Computes the full URL to a stylesheet asset in the public stylesheets directory.
#url_to_asset	Alias for ActionView::Helpers::AssetUrlHelper#asset_url.
#url_to_audio	Alias for ActionView::Helpers::AssetUrlHelper#audio_url.
#url_to_font	Alias for ActionView::Helpers::AssetUrlHelper#font_url.
#url_to_image	Alias for ActionView::Helpers::AssetUrlHelper#image_url.
#url_to_javascript	Alias for ActionView::Helpers::AssetUrlHelper#javascript_url.
#url_to_stylesheet	Alias for ActionView::Helpers::AssetUrlHelper#stylesheet_url.
#url_to_video	Alias for ActionView::Helpers::AssetUrlHelper#video_url.
#video_path	Computes the path to a video asset in the public videos directory.
#video_url	Computes the full URL to a video asset in the public videos directory.

`::ActiveSupport::Benchmarkable` - Included

#benchmark

Allows you to measure the execution time of a block in a template and records the result to the log.

`::ActionView::Context` - Included

#_layout_for	Encapsulates the interaction with the view flow so it returns the correct buffer on `yield`.
#_prepare_context	Prepares the context by setting the appropriate instance variables.

Instance Method Details

#debug_hash(object)

[ GitHub ]

# File 'actionpack/lib/action_dispatch/middleware/debug_exceptions.rb', line 38


def debug_hash(object)
  object.to_hash.sort_by { |k, _| k.to_s }.map { |k, v| "#{k}: #{v.inspect rescue $!.message}" }.join("\n")
end

#debug_headers(headers)

[ GitHub ]

# File 'actionpack/lib/action_dispatch/middleware/debug_exceptions.rb', line 30


def debug_headers(headers)
  if headers.present?
    headers.inspect.gsub(",", ",\n")
  else
    "None"
  end
end

#debug_params(params)

[ GitHub ]

# File 'actionpack/lib/action_dispatch/middleware/debug_exceptions.rb', line 18


def debug_params(params)
  clean_params = params.clone
  clean_params.delete("action")
  clean_params.delete("controller")

  if clean_params.empty?
    "None"
  else
    PP.pp(clean_params, "".dup, 200)
  end
end

#render

[ GitHub ]

# File 'actionpack/lib/action_dispatch/middleware/debug_exceptions.rb', line 42


def render(*)
  logger = ActionView::Base.logger

  if logger && logger.respond_to?(:silence)
    logger.silence { super }
  else
    super
  end
end

Class: ActionDispatch::DebugExceptions::DebugView

Constant Summary

::ERB::Util - Included

::ActionView::Helpers::AssetUrlHelper - Included

::ActionView::Helpers::TagHelper - Included

::ActionView::Helpers::DateHelper - Included

::ActionView::Helpers::UrlHelper - Included

::ActionView::RecordIdentifier - Included

::ActionView::Helpers::JavaScriptHelper - Included

Class Attribute Summary

::ActionView::Base - Inherited

Instance Attribute Summary

::ActionView::Base - Inherited

::ActionView::Helpers::FormHelper - Included

::ActionView::Helpers::FormTagHelper - Included

::ActionView::Context - Included

Instance Method Summary

::ActionView::Helpers::RenderingHelper - Included

::ActionView::Helpers::NumberHelper - Included

::ActionView::Helpers::JavaScriptHelper - Included

::ActionView::Helpers::FormOptionsHelper - Included

::ActionView::Helpers::FormHelper - Included

::ActionView::RecordIdentifier - Included

::ActionView::Helpers::FormTagHelper - Included

::ActionView::Helpers::TextHelper - Included

::ActionView::Helpers::SanitizeHelper - Included

::ActionView::Helpers::UrlHelper - Included

::ActionView::Helpers::DateHelper - Included

::ActionView::Helpers::AssetTagHelper - Included

::ActionView::Helpers::TagHelper - Included

::ActionView::Helpers::CaptureHelper - Included

::ActionView::Helpers::AssetUrlHelper - Included

::ActiveSupport::Benchmarkable - Included

::ActionView::Context - Included

Instance Method Details

#debug_hash(object)

#debug_headers(headers)

#debug_params(params)

#render

`::ERB::Util` - Included

`::ActionView::Helpers::AssetUrlHelper` - Included

`::ActionView::Helpers::TagHelper` - Included

`::ActionView::Helpers::DateHelper` - Included

`::ActionView::Helpers::UrlHelper` - Included

`::ActionView::RecordIdentifier` - Included

`::ActionView::Helpers::JavaScriptHelper` - Included

`::ActionView::Base` - Inherited

`::ActionView::Base` - Inherited

`::ActionView::Helpers::FormHelper` - Included

`::ActionView::Helpers::FormTagHelper` - Included

`::ActionView::Context` - Included

`::ActionView::Helpers::RenderingHelper` - Included

`::ActionView::Helpers::NumberHelper` - Included

`::ActionView::Helpers::JavaScriptHelper` - Included

`::ActionView::Helpers::FormOptionsHelper` - Included

`::ActionView::Helpers::FormHelper` - Included

`::ActionView::RecordIdentifier` - Included

`::ActionView::Helpers::FormTagHelper` - Included

`::ActionView::Helpers::TextHelper` - Included

`::ActionView::Helpers::SanitizeHelper` - Included

`::ActionView::Helpers::UrlHelper` - Included

`::ActionView::Helpers::DateHelper` - Included

`::ActionView::Helpers::AssetTagHelper` - Included

`::ActionView::Helpers::TagHelper` - Included

`::ActionView::Helpers::CaptureHelper` - Included

`::ActionView::Helpers::AssetUrlHelper` - Included

`::ActiveSupport::Benchmarkable` - Included

`::ActionView::Context` - Included