1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 <?php namespace amekusa\plz; main::required;
/**
* Document Object Model utilities
*
* To get started, place the following line around top of your code.
* ```php
* use amekusa\plz\dom;
* ```
*/
abstract class dom {
/**
* @ignore
* @example Demonstration
* ```php
* var_dump( dom::parse('<input class="hoge hage hide" id="uha">') );
* ```
* ```php
* array(2) {
* ["class"]=>
* string(14) "hoge hage hide"
* ["id"]=>
* string(3) "uha"
* }
* ```
* @param string $Attributes
* @return array Associated array of attributes
*/
static function parse($Attributes) {
$r = array ();
$matches = array ();
preg_match_all('/\s+([a-zA-Z:_][a-zA-Z0-9:._-]*)=(".*?[^\\\\]"|\'.*?[^\\\\]\')/', ' '.$Attributes, $matches);
foreach ($matches[1] as $i => $iMatch)
$r[$iMatch] = substr($matches[2][$i], 1, -1);
return $r;
}
/**
* Returns a DOM attribute expression
* @example "class" attribute
* ```php
* $class = 'cols';
* echo '<div' . dom::attr('class', $class) . '>';
* ```
* ```html
* <div class="cols">
* ```
* @example Returns nothing if the value is empty
* ```php
* $class = ''; // Empty string
* echo '<div' . dom::attr('class', $class) . '>';
* ```
* ```html
* <div>
* ```
* @example Boolean attribute
* ```php
* echo '<input type="radio"' . dom::attr('checked', true) . '/>' . "\n";
* echo '<input type="radio"' . dom::attr('checked', false) . '/>';
* ```
* ```html
* <input type="radio" checked="checked"/>
* <input type="radio"/>
* ```
* @param string $Name Attribute name
* @param mixed $Value Attribute value
* @param mixed $Default *(optional)* Default value of the attribute
* @return string DOM attribute expression
*/
static function attr($Name, $Value, $Default = null) {
if (is_bool($Value)) return $Value ? dom::attr($Name, $Name) : '';
if (!$Value && !is_numeric($Value)) return isset($Default) ? dom::attr($Name, $Default) : '';
return ' '.htmlspecialchars($Name, ENT_QUOTES, null, false).'="'
.htmlspecialchars($Value, ENT_QUOTES, null, false).'"';
}
/**
* Returns DOM attribute(s) expression
* @example Multiple attributes
* ```php
* $var = array (
* 'name' => 'eula',
* 'type' => 'checkbox',
* 'value' => 'agreed'
* );
* echo '<input' . dom::attrs($var) . '/>';
* ```
* ```html
* <input name="eula" type="checkbox" value="agreed"/>
* ```
* @param array|object $Attrs Associative array the structure of which is `[Name => Value]`
* @return string DOM attribute(s) expression
*/
static function attrs($Attrs) {
$r = '';
foreach ($Attrs as $i => $iValue) $r .= dom::attr($i, $iValue);
return $r;
}
}