838 lines
19 KiB
PHP
Executable File
838 lines
19 KiB
PHP
Executable File
<?php
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/**
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* This file is part of the Nette Framework (https://nette.org)
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* Copyright (c) 2004 David Grudl (https://davidgrudl.com)
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*/
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declare(strict_types=1);
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namespace Nette\Utils;
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use Nette\HtmlStringable;
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use function array_merge, array_splice, count, explode, func_num_args, html_entity_decode, htmlspecialchars, http_build_query, implode, is_array, is_bool, is_float, is_object, is_string, json_encode, max, number_format, rtrim, str_contains, str_repeat, str_replace, strip_tags, strncmp, strpbrk, substr;
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use const ENT_HTML5, ENT_NOQUOTES, ENT_QUOTES;
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/**
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* HTML helper.
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*
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* @property string|null $accept
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* @property string|null $accesskey
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* @property string|null $action
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* @property string|null $align
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* @property string|null $allow
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* @property string|null $alt
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* @property bool|null $async
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* @property string|null $autocapitalize
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* @property string|null $autocomplete
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* @property bool|null $autofocus
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* @property bool|null $autoplay
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* @property string|null $charset
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* @property bool|null $checked
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* @property string|null $cite
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* @property string|null $class
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* @property int|null $cols
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* @property int|null $colspan
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* @property string|null $content
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* @property bool|null $contenteditable
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* @property bool|null $controls
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* @property string|null $coords
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* @property string|null $crossorigin
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* @property string|null $data
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* @property string|null $datetime
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* @property string|null $decoding
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* @property bool|null $default
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* @property bool|null $defer
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* @property string|null $dir
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* @property string|null $dirname
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* @property bool|null $disabled
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* @property bool|null $download
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* @property string|null $draggable
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* @property string|null $dropzone
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* @property string|null $enctype
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* @property string|null $for
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* @property string|null $form
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* @property string|null $formaction
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* @property string|null $formenctype
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* @property string|null $formmethod
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* @property bool|null $formnovalidate
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* @property string|null $formtarget
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* @property string|null $headers
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* @property int|null $height
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* @property bool|null $hidden
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* @property float|null $high
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* @property string|null $href
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* @property string|null $hreflang
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* @property string|null $id
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* @property string|null $integrity
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* @property string|null $inputmode
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* @property bool|null $ismap
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* @property string|null $itemprop
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* @property string|null $kind
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* @property string|null $label
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* @property string|null $lang
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* @property string|null $list
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* @property bool|null $loop
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* @property float|null $low
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* @property float|null $max
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* @property int|null $maxlength
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* @property int|null $minlength
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* @property string|null $media
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* @property string|null $method
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* @property float|null $min
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* @property bool|null $multiple
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* @property bool|null $muted
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* @property string|null $name
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* @property bool|null $novalidate
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* @property bool|null $open
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* @property float|null $optimum
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* @property string|null $pattern
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* @property string|null $ping
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* @property string|null $placeholder
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* @property string|null $poster
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* @property string|null $preload
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* @property string|null $radiogroup
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* @property bool|null $readonly
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* @property string|null $rel
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* @property bool|null $required
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* @property bool|null $reversed
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* @property int|null $rows
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* @property int|null $rowspan
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* @property string|null $sandbox
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* @property string|null $scope
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* @property bool|null $selected
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* @property string|null $shape
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* @property int|null $size
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* @property string|null $sizes
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* @property string|null $slot
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* @property int|null $span
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* @property string|null $spellcheck
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* @property string|null $src
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* @property string|null $srcdoc
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* @property string|null $srclang
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* @property string|null $srcset
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* @property int|null $start
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* @property float|null $step
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* @property string|null $style
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* @property int|null $tabindex
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* @property string|null $target
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* @property string|null $title
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* @property string|null $translate
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* @property string|null $type
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* @property string|null $usemap
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* @property string|null $value
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* @property int|null $width
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* @property string|null $wrap
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*
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* @method self accept(?string $val)
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* @method self accesskey(?string $val, bool $state = null)
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* @method self action(?string $val)
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* @method self align(?string $val)
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* @method self allow(?string $val, bool $state = null)
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* @method self alt(?string $val)
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* @method self async(?bool $val)
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* @method self autocapitalize(?string $val)
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* @method self autocomplete(?string $val)
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* @method self autofocus(?bool $val)
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* @method self autoplay(?bool $val)
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* @method self charset(?string $val)
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* @method self checked(?bool $val)
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* @method self cite(?string $val)
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* @method self class(?string $val, bool $state = null)
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* @method self cols(?int $val)
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* @method self colspan(?int $val)
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* @method self content(?string $val)
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* @method self contenteditable(?bool $val)
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* @method self controls(?bool $val)
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* @method self coords(?string $val)
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* @method self crossorigin(?string $val)
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* @method self datetime(?string $val)
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* @method self decoding(?string $val)
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* @method self default(?bool $val)
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* @method self defer(?bool $val)
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* @method self dir(?string $val)
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* @method self dirname(?string $val)
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* @method self disabled(?bool $val)
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* @method self download(?bool $val)
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* @method self draggable(?string $val)
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* @method self dropzone(?string $val)
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* @method self enctype(?string $val)
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* @method self for(?string $val)
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* @method self form(?string $val)
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* @method self formaction(?string $val)
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* @method self formenctype(?string $val)
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* @method self formmethod(?string $val)
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* @method self formnovalidate(?bool $val)
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* @method self formtarget(?string $val)
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* @method self headers(?string $val, bool $state = null)
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* @method self height(?int $val)
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* @method self hidden(?bool $val)
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* @method self high(?float $val)
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* @method self hreflang(?string $val)
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* @method self id(?string $val)
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* @method self integrity(?string $val)
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* @method self inputmode(?string $val)
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* @method self ismap(?bool $val)
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* @method self itemprop(?string $val)
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* @method self kind(?string $val)
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* @method self label(?string $val)
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* @method self lang(?string $val)
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* @method self list(?string $val)
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* @method self loop(?bool $val)
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* @method self low(?float $val)
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* @method self max(?float $val)
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* @method self maxlength(?int $val)
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* @method self minlength(?int $val)
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* @method self media(?string $val)
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* @method self method(?string $val)
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* @method self min(?float $val)
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* @method self multiple(?bool $val)
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* @method self muted(?bool $val)
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* @method self name(?string $val)
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* @method self novalidate(?bool $val)
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* @method self open(?bool $val)
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* @method self optimum(?float $val)
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* @method self pattern(?string $val)
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* @method self ping(?string $val, bool $state = null)
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* @method self placeholder(?string $val)
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* @method self poster(?string $val)
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* @method self preload(?string $val)
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* @method self radiogroup(?string $val)
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* @method self readonly(?bool $val)
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* @method self rel(?string $val)
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* @method self required(?bool $val)
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* @method self reversed(?bool $val)
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* @method self rows(?int $val)
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* @method self rowspan(?int $val)
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* @method self sandbox(?string $val, bool $state = null)
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* @method self scope(?string $val)
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* @method self selected(?bool $val)
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* @method self shape(?string $val)
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* @method self size(?int $val)
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* @method self sizes(?string $val)
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* @method self slot(?string $val)
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* @method self span(?int $val)
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* @method self spellcheck(?string $val)
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* @method self src(?string $val)
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* @method self srcdoc(?string $val)
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* @method self srclang(?string $val)
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* @method self srcset(?string $val)
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* @method self start(?int $val)
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* @method self step(?float $val)
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* @method self style(?string $property, string $val = null)
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* @method self tabindex(?int $val)
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* @method self target(?string $val)
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* @method self title(?string $val)
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* @method self translate(?string $val)
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* @method self type(?string $val)
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* @method self usemap(?string $val)
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* @method self value(?string $val)
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* @method self width(?int $val)
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* @method self wrap(?string $val)
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*/
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class Html implements \ArrayAccess, \Countable, \IteratorAggregate, HtmlStringable
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{
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/** @var array<string, mixed> element's attributes */
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public array $attrs = [];
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/** void elements */
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public static array $emptyElements = [
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'img' => 1, 'hr' => 1, 'br' => 1, 'input' => 1, 'meta' => 1, 'area' => 1, 'embed' => 1, 'keygen' => 1,
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'source' => 1, 'base' => 1, 'col' => 1, 'link' => 1, 'param' => 1, 'basefont' => 1, 'frame' => 1,
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'isindex' => 1, 'wbr' => 1, 'command' => 1, 'track' => 1,
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];
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/** @var array<int, HtmlStringable|string> nodes */
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protected array $children = [];
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/** element's name */
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private string $name = '';
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private bool $isEmpty = false;
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/**
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* Constructs new HTML element.
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* @param array|string $attrs element's attributes or plain text content
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*/
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public static function el(?string $name = null, array|string|null $attrs = null): static
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{
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$el = new static;
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$parts = explode(' ', (string) $name, 2);
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$el->setName($parts[0]);
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if (is_array($attrs)) {
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$el->attrs = $attrs;
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} elseif ($attrs !== null) {
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$el->setText($attrs);
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}
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if (isset($parts[1])) {
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foreach (Strings::matchAll($parts[1] . ' ', '#([a-z0-9:-]+)(?:=(["\'])?(.*?)(?(2)\2|\s))?#i') as $m) {
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$el->attrs[$m[1]] = $m[3] ?? true;
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}
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}
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return $el;
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}
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/**
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* Returns an object representing HTML text.
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*/
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public static function fromHtml(string $html): static
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{
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return (new static)->setHtml($html);
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}
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/**
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* Returns an object representing plain text.
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*/
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public static function fromText(string $text): static
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{
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return (new static)->setText($text);
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}
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/**
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* Converts to HTML.
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*/
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final public function toHtml(): string
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{
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return $this->render();
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}
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/**
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* Converts to plain text.
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*/
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final public function toText(): string
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{
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return $this->getText();
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}
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/**
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* Converts given HTML code to plain text.
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*/
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public static function htmlToText(string $html): string
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{
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return html_entity_decode(strip_tags($html), ENT_QUOTES | ENT_HTML5, 'UTF-8');
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}
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/**
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* Changes element's name.
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*/
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final public function setName(string $name, ?bool $isEmpty = null): static
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{
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$this->name = $name;
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$this->isEmpty = $isEmpty ?? isset(static::$emptyElements[$name]);
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return $this;
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}
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/**
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* Returns element's name.
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*/
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final public function getName(): string
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{
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return $this->name;
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}
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/**
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* Is element empty?
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*/
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final public function isEmpty(): bool
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{
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return $this->isEmpty;
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}
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/**
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* Sets multiple attributes.
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*/
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public function addAttributes(array $attrs): static
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{
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$this->attrs = array_merge($this->attrs, $attrs);
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return $this;
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}
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/**
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* Appends value to element's attribute.
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*/
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public function appendAttribute(string $name, mixed $value, mixed $option = true): static
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{
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if (is_array($value)) {
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$prev = isset($this->attrs[$name]) ? (array) $this->attrs[$name] : [];
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$this->attrs[$name] = $value + $prev;
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} elseif ((string) $value === '') {
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$tmp = &$this->attrs[$name]; // appending empty value? -> ignore, but ensure it exists
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} elseif (!isset($this->attrs[$name]) || is_array($this->attrs[$name])) { // needs array
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$this->attrs[$name][$value] = $option;
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} else {
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$this->attrs[$name] = [$this->attrs[$name] => true, $value => $option];
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}
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return $this;
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}
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/**
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* Sets element's attribute.
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*/
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public function setAttribute(string $name, mixed $value): static
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{
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$this->attrs[$name] = $value;
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return $this;
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}
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/**
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* Returns element's attribute.
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*/
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public function getAttribute(string $name): mixed
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{
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return $this->attrs[$name] ?? null;
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}
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/**
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* Unsets element's attribute.
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*/
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public function removeAttribute(string $name): static
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{
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unset($this->attrs[$name]);
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return $this;
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}
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/**
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* Unsets element's attributes.
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*/
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public function removeAttributes(array $attributes): static
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{
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foreach ($attributes as $name) {
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unset($this->attrs[$name]);
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}
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return $this;
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}
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/**
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* Overloaded setter for element's attribute.
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*/
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final public function __set(string $name, mixed $value): void
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{
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$this->attrs[$name] = $value;
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}
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/**
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* Overloaded getter for element's attribute.
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*/
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final public function &__get(string $name): mixed
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{
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return $this->attrs[$name];
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}
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/**
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* Overloaded tester for element's attribute.
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*/
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final public function __isset(string $name): bool
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{
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return isset($this->attrs[$name]);
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}
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/**
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* Overloaded unsetter for element's attribute.
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*/
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final public function __unset(string $name): void
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{
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unset($this->attrs[$name]);
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}
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/**
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* Overloaded setter for element's attribute.
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*/
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final public function __call(string $m, array $args): mixed
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{
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$p = substr($m, 0, 3);
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if ($p === 'get' || $p === 'set' || $p === 'add') {
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$m = substr($m, 3);
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$m[0] = $m[0] | "\x20";
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if ($p === 'get') {
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return $this->attrs[$m] ?? null;
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} elseif ($p === 'add') {
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$args[] = true;
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}
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}
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if (count($args) === 0) { // invalid
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} elseif (count($args) === 1) { // set
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$this->attrs[$m] = $args[0];
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} else { // add
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$this->appendAttribute($m, $args[0], $args[1]);
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}
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return $this;
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}
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/**
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* Special setter for element's attribute.
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*/
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final public function href(string $path, array $query = []): static
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{
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if ($query) {
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$query = http_build_query($query, '', '&');
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if ($query !== '') {
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$path .= '?' . $query;
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}
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}
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$this->attrs['href'] = $path;
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return $this;
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}
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/**
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* Setter for data-* attributes. Booleans are converted to 'true' resp. 'false'.
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*/
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public function data(string $name, mixed $value = null): static
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{
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if (func_num_args() === 1) {
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$this->attrs['data'] = $name;
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} else {
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$this->attrs["data-$name"] = is_bool($value)
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? json_encode($value)
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: $value;
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}
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return $this;
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}
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/**
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* Sets element's HTML content.
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*/
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final public function setHtml(mixed $html): static
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{
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$this->children = [(string) $html];
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return $this;
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}
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/**
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* Returns element's HTML content.
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*/
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final public function getHtml(): string
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{
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return implode('', $this->children);
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}
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/**
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* Sets element's textual content.
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|
*/
|
|
final public function setText(mixed $text): static
|
|
{
|
|
if (!$text instanceof HtmlStringable) {
|
|
$text = htmlspecialchars((string) $text, ENT_NOQUOTES, 'UTF-8');
|
|
}
|
|
|
|
$this->children = [(string) $text];
|
|
return $this;
|
|
}
|
|
|
|
|
|
/**
|
|
* Returns element's textual content.
|
|
*/
|
|
final public function getText(): string
|
|
{
|
|
return self::htmlToText($this->getHtml());
|
|
}
|
|
|
|
|
|
/**
|
|
* Adds new element's child.
|
|
*/
|
|
final public function addHtml(HtmlStringable|string $child): static
|
|
{
|
|
return $this->insert(null, $child);
|
|
}
|
|
|
|
|
|
/**
|
|
* Appends plain-text string to element content.
|
|
*/
|
|
public function addText(\Stringable|string|int|null $text): static
|
|
{
|
|
if (!$text instanceof HtmlStringable) {
|
|
$text = htmlspecialchars((string) $text, ENT_NOQUOTES, 'UTF-8');
|
|
}
|
|
|
|
return $this->insert(null, $text);
|
|
}
|
|
|
|
|
|
/**
|
|
* Creates and adds a new Html child.
|
|
*/
|
|
final public function create(string $name, array|string|null $attrs = null): static
|
|
{
|
|
$this->insert(null, $child = static::el($name, $attrs));
|
|
return $child;
|
|
}
|
|
|
|
|
|
/**
|
|
* Inserts child node.
|
|
*/
|
|
public function insert(?int $index, HtmlStringable|string $child, bool $replace = false): static
|
|
{
|
|
$child = $child instanceof self ? $child : (string) $child;
|
|
if ($index === null) { // append
|
|
$this->children[] = $child;
|
|
|
|
} else { // insert or replace
|
|
array_splice($this->children, $index, $replace ? 1 : 0, [$child]);
|
|
}
|
|
|
|
return $this;
|
|
}
|
|
|
|
|
|
/**
|
|
* Inserts (replaces) child node (\ArrayAccess implementation).
|
|
* @param int|null $index position or null for appending
|
|
* @param Html|string $child Html node or raw HTML string
|
|
*/
|
|
final public function offsetSet($index, $child): void
|
|
{
|
|
$this->insert($index, $child, replace: true);
|
|
}
|
|
|
|
|
|
/**
|
|
* Returns child node (\ArrayAccess implementation).
|
|
* @param int $index
|
|
*/
|
|
final public function offsetGet($index): HtmlStringable|string
|
|
{
|
|
return $this->children[$index];
|
|
}
|
|
|
|
|
|
/**
|
|
* Exists child node? (\ArrayAccess implementation).
|
|
* @param int $index
|
|
*/
|
|
final public function offsetExists($index): bool
|
|
{
|
|
return isset($this->children[$index]);
|
|
}
|
|
|
|
|
|
/**
|
|
* Removes child node (\ArrayAccess implementation).
|
|
* @param int $index
|
|
*/
|
|
public function offsetUnset($index): void
|
|
{
|
|
if (isset($this->children[$index])) {
|
|
array_splice($this->children, $index, 1);
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Returns children count.
|
|
*/
|
|
final public function count(): int
|
|
{
|
|
return count($this->children);
|
|
}
|
|
|
|
|
|
/**
|
|
* Removes all children.
|
|
*/
|
|
public function removeChildren(): void
|
|
{
|
|
$this->children = [];
|
|
}
|
|
|
|
|
|
/**
|
|
* Iterates over elements.
|
|
* @return \ArrayIterator<int, HtmlStringable|string>
|
|
*/
|
|
final public function getIterator(): \ArrayIterator
|
|
{
|
|
return new \ArrayIterator($this->children);
|
|
}
|
|
|
|
|
|
/**
|
|
* Returns all children.
|
|
*/
|
|
final public function getChildren(): array
|
|
{
|
|
return $this->children;
|
|
}
|
|
|
|
|
|
/**
|
|
* Renders element's start tag, content and end tag.
|
|
*/
|
|
final public function render(?int $indent = null): string
|
|
{
|
|
$s = $this->startTag();
|
|
|
|
if (!$this->isEmpty) {
|
|
// add content
|
|
if ($indent !== null) {
|
|
$indent++;
|
|
}
|
|
|
|
foreach ($this->children as $child) {
|
|
if ($child instanceof self) {
|
|
$s .= $child->render($indent);
|
|
} else {
|
|
$s .= $child;
|
|
}
|
|
}
|
|
|
|
// add end tag
|
|
$s .= $this->endTag();
|
|
}
|
|
|
|
if ($indent !== null) {
|
|
return "\n" . str_repeat("\t", $indent - 1) . $s . "\n" . str_repeat("\t", max(0, $indent - 2));
|
|
}
|
|
|
|
return $s;
|
|
}
|
|
|
|
|
|
final public function __toString(): string
|
|
{
|
|
return $this->render();
|
|
}
|
|
|
|
|
|
/**
|
|
* Returns element's start tag.
|
|
*/
|
|
final public function startTag(): string
|
|
{
|
|
return $this->name
|
|
? '<' . $this->name . $this->attributes() . '>'
|
|
: '';
|
|
}
|
|
|
|
|
|
/**
|
|
* Returns element's end tag.
|
|
*/
|
|
final public function endTag(): string
|
|
{
|
|
return $this->name && !$this->isEmpty ? '</' . $this->name . '>' : '';
|
|
}
|
|
|
|
|
|
/**
|
|
* Returns element's attributes.
|
|
* @internal
|
|
*/
|
|
final public function attributes(): string
|
|
{
|
|
if (!is_array($this->attrs)) {
|
|
return '';
|
|
}
|
|
|
|
$s = '';
|
|
$attrs = $this->attrs;
|
|
foreach ($attrs as $key => $value) {
|
|
if ($value === null || $value === false) {
|
|
continue;
|
|
|
|
} elseif ($value === true) {
|
|
$s .= ' ' . $key;
|
|
|
|
continue;
|
|
|
|
} elseif (is_array($value)) {
|
|
if (strncmp($key, 'data-', 5) === 0) {
|
|
$value = Json::encode($value);
|
|
|
|
} else {
|
|
$tmp = null;
|
|
foreach ($value as $k => $v) {
|
|
if ($v != null) { // intentionally ==, skip nulls & empty string
|
|
// composite 'style' vs. 'others'
|
|
$tmp[] = $v === true
|
|
? $k
|
|
: (is_string($k) ? $k . ':' . $v : $v);
|
|
}
|
|
}
|
|
|
|
if ($tmp === null) {
|
|
continue;
|
|
}
|
|
|
|
$value = implode($key === 'style' || !strncmp($key, 'on', 2) ? ';' : ' ', $tmp);
|
|
}
|
|
} elseif (is_float($value)) {
|
|
$value = rtrim(rtrim(number_format($value, 10, '.', ''), '0'), '.');
|
|
|
|
} else {
|
|
$value = (string) $value;
|
|
}
|
|
|
|
$q = str_contains($value, '"') ? "'" : '"';
|
|
$s .= ' ' . $key . '=' . $q
|
|
. str_replace(
|
|
['&', $q, '<'],
|
|
['&', $q === '"' ? '"' : ''', '<'],
|
|
$value,
|
|
)
|
|
. (str_contains($value, '`') && strpbrk($value, ' <>"\'') === false ? ' ' : '')
|
|
. $q;
|
|
}
|
|
|
|
$s = str_replace('@', '@', $s);
|
|
return $s;
|
|
}
|
|
|
|
|
|
/**
|
|
* Clones all children too.
|
|
*/
|
|
public function __clone()
|
|
{
|
|
foreach ($this->children as $key => $value) {
|
|
if (is_object($value)) {
|
|
$this->children[$key] = clone $value;
|
|
}
|
|
}
|
|
}
|
|
}
|