Tkt_Shortcodes_Processor

The ShortCode Resolver Class.

Description

This is used to make shortcodes nested in ShortCode attributes, or HTML attributes work. WordPress 4.2.3 (thus also CP) breaks all ShortCodes in ShortCode attributes, or ShortCodes in HTML attributes.

Tags
see
https://wptavern.com/plugin-developers-demand-a-better-security-release-process-after-wordpress-4-2-3-breaks-thousands-of-websites

This class attempts to fix that.

since
1.3.0
author

Beda Schmid beda@tukutoi.com

Table of Contents

$declarations  : array<string|int, mixed>
The Configuration object.
$plugin_prefix  : string
The unique prefix of this plugin.
$version  : string
The version of this plugin.
__construct()  : mixed
Initialize the class and set its properties.
get_all_matches_between()  : array<string|int, mixed>
Get all matches of between 2 delimiters.
get_custom_shortcodes()  : array<string|int, mixed>
Get the list of registered shortcodes to be used inside other shortcodes.
get_native_inner_shortcodes()  : array<string|int, mixed>
Get a list of inbuilt ShortCodes allowed inside other Shortcodes or HTML.
post_process_shortcodes()  : mixed
Public facing filter callback on the_content.
pre_process_shortcodes()  : mixed
Public facing filter callback on the_content.
apply_decoder()  : string
Decoders and Resolvers passed to the post_process_shortcodes callback.
apply_encoder()  : string
Encoders and Resolvers passed to the pre_process_shortcodes callback.
decode_iterators()  : string
Decode base64.
encode_html_attribute_shortcodes()  : string
WordPress does not like ShortCodes inside HTML attributes.
encode_iterators()  : string
Encode loops to base64.
find_outer_brackets()  : int
Find shortcodes that contain other shortcodes as attribute values, and populate a list of their opening tag, to process those internal shortcodes.
get_inner_expressions()  : array<string|int, mixed>
Get ShortCodes we accept as inner ShortCodes, or HTML attributes.
has_shortcode_as_attribute_value()  : bool
Make sure that a content which presumes to be a shortcode without brackets does contain an inner shortcode.
html_split()  : array<string|int, mixed>
Separate HTML elements and comments from the text.
is_unbracketed_shortcode()  : bool
Make sure that a given content is indeed a shortcode without brackets: - Can not start with a closing tag delimiter.
resolve_html_shortcodes()  : string
Decode and resolve ShortCodes in HTML attributes.
resolve_inner_shortcodes()  : string
Resolve internal shortcodes.
should_skip_html_node()  : bool
Check if HTML note should be skipped.

Properties

$declarations

The Configuration object.

private array<string|int, mixed> $declarations
Description

All configurations and declarations of this plugin.

Tags
since
1.0.0
access

private

$plugin_prefix

The unique prefix of this plugin.

private string $plugin_prefix
Description

The string used to uniquely prefix technical functions of this plugin.

Tags
since
1.0.0
access

private

$version

The version of this plugin.

private string $version
Description

The current version of this plugin.

Tags
since
1.0.0
access

private

Methods

__construct()

Initialize the class and set its properties.

public __construct(string $plugin_prefix, string $version, array<string|int, mixed> $declarations) : mixed
Parameters
$plugin_prefix
(string) The unique prefix of this plugin.
$version
(string) The version of this plugin.
$declarations
(array<string|int, mixed>) The Configuration object.
Tags
since
1.3.0
Return
(mixed)

get_all_matches_between()

Get all matches of between 2 delimiters.

public get_all_matches_between(string $str, string $start, string $end) : array<string|int, mixed>
Description

This generic helper function finds any string starting and ending with a flag. It then returns an array where the values are the strings between each start and end flag.

Parameters
$str
(string) The string to check.
$start
(string) The start flag to check for.
$end
(string) The end flag to check for.
Tags
since
2.17.0
Return
(array<string|int, mixed>) $contents The found occurrences of string betwen start and end.

get_custom_shortcodes()

Get the list of registered shortcodes to be used inside other shortcodes.

public get_custom_shortcodes() : array<string|int, mixed>
Tags
since
1.3.0
Return
(array<string|int, mixed>)

get_native_inner_shortcodes()

Get a list of inbuilt ShortCodes allowed inside other Shortcodes or HTML.

public get_native_inner_shortcodes() : array<string|int, mixed>
Tags
since
1.3.0
Return
(array<string|int, mixed>)

post_process_shortcodes()

Public facing filter callback on the_content.

public post_process_shortcodes(string $content) : mixed
Parameters
$content
(string) The Post Content.
Tags
since
1.3.0
Return
(mixed)

pre_process_shortcodes()

Public facing filter callback on the_content.

public pre_process_shortcodes(string $content) : mixed
Parameters
$content
(string) The Post Content.
Tags
since
1.3.0
Return
(mixed)

apply_decoder()

Decoders and Resolvers passed to the post_process_shortcodes callback.

private apply_decoder(string $content) : string
Parameters
$content
(string) The Post Content.
Tags
since
1.3.0
Return
(string) $content The Post Content Decoded and Resolved.

apply_encoder()

Encoders and Resolvers passed to the pre_process_shortcodes callback.

private apply_encoder(string $content) : string
Parameters
$content
(string) The Post Content.
Tags
since
1.3.0
Return
(string) $content The Post Content encoded and with first level of inner ShortCodes resolved.

decode_iterators()

Decode base64.

private decode_iterators(string $content) : string
Description

If the Content has loop shortcodes, these are encoded to base64. At this point we resolved surrouding shortcodes, and need to prepare the loops for resolution.

Parameters
$content
(string) The Post Content with base64 encoded loops.
Tags
since
2.17.0
Return
(string) $content The Post Content with decoded (but not resolved) loops.

encode_html_attribute_shortcodes()

WordPress does not like ShortCodes inside HTML attributes.

private encode_html_attribute_shortcodes(string $content) : string
Description

Encode all [shortcodes] (the applicable ones) to use {¡{shortcode}¡} format.

Parameters
$content
(string) The Post Content.
Tags
since
2.17.0
Return
(string) $content The Post Content with encoded HTML attribute ShortCodes.

encode_iterators()

Encode loops to base64.

private encode_iterators(string $content) : string
Description

Encode all loop ShortCodes contents to base64 so WordPress does not attempt to resolve them until we explicitly want to.

Parameters
$content
(string) The Post Content.
Tags
since
2.17.0
Return
(string) $content The Post Content with encoded loops.

find_outer_brackets()

Find shortcodes that contain other shortcodes as attribute values, and populate a list of their opening tag, to process those internal shortcodes.

private find_outer_brackets(string $content, array<string|int, mixed> &$matches) : int
Parameters
$content
(string) The content to check.
$matches
(array<string|int, mixed>) List of shortcodes: full shortcode without brackets.
Tags
since
1.3.0
Return
(int) $count Number of top level shortcodes found.

get_inner_expressions()

Get ShortCodes we accept as inner ShortCodes, or HTML attributes.

private get_inner_expressions() : array<string|int, mixed>
Description

Only registered, non-enclosing ShortCodes are allowed. Users can add theyr Custom ShortCodes by using the filter tkt_scs_custom_inner_shortcodes

Tags
since
1.3.0
Return
(array<string|int, mixed>) $inner_expressions An array of registered shortcodes.

has_shortcode_as_attribute_value()

Make sure that a content which presumes to be a shortcode without brackets does contain an inner shortcode.

private has_shortcode_as_attribute_value(string $unbracketed_shortcode) : bool
Parameters
$unbracketed_shortcode
(string) The content to check.
Tags
since
1.3.0
Return
(bool) Whether the Inner ShortCode is present.

html_split()

Separate HTML elements and comments from the text.

private html_split(string $input) : array<string|int, mixed>
Description

Heavily inspired in wp_html_split.

Parameters
$input
(string) The text which has to be formatted.
Tags
since
3.3.0
Return
(array<string|int, mixed>) The formatted text.

is_unbracketed_shortcode()

Make sure that a given content is indeed a shortcode without brackets: - Can not start with a closing tag delimiter.

private is_unbracketed_shortcode(string $unbracketed_shortcode) : bool
Description
  • Can not start with a bracket for another inner shortcode.
  • Must start with a valid shortcode tag.
Parameters
$unbracketed_shortcode
(string) The content to check.
Tags
since
1.3.0
Return
(bool) Whether the ShortCode is without brackets.

resolve_html_shortcodes()

Decode and resolve ShortCodes in HTML attributes.

private resolve_html_shortcodes(string $content) : string
Description

If there are encoded {¡{shortcodes}¡} then it means they are used in HTML attributes. Revert them to the native [shortcode] syntax, and resolve them.

Parameters
$content
(string) The Post Content with encoded HTML attribute ShortCodes.
Tags
since
2.17.0
Return
(string) $content The Post Content with decoded and resolved HTML attribute ShortCodes.

resolve_inner_shortcodes()

Resolve internal shortcodes.

private resolve_inner_shortcodes(string $content) : string
Parameters
$content
(string) The Post Content.
Tags
since
1.3.0
Return
(string)

should_skip_html_node()

Check if HTML note should be skipped.

private should_skip_html_node(mixed $element) : bool
Description

It is not necessary to process all this in HTML comments, or CDATA items.

Parameters
$element
(mixed) The HTML node to check.
Tags
since
2.170
Return
(bool) false|true Whether the Node should be skipped.

        

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