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48 lines
1.3 KiB
PHP
48 lines
1.3 KiB
PHP
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<?php
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/**
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* Fluent interface for validating the contents of member variables.
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* This should be immutable. See HTMLPurifier_ConfigSchema_Validator for
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* use-cases.
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*/
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class HTMLPurifier_ConfigSchema_ValidatorAtom
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{
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protected $interchange, $context, $obj, $member, $contents;
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public function __construct($interchange, $context, $obj, $member) {
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$this->interchange = $interchange;
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$this->context = $context;
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$this->obj = $obj;
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$this->member = $member;
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$this->contents =& $obj->$member;
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}
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public function assertIsString() {
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if (!is_string($this->contents)) $this->error('must be a string');
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return $this;
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}
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public function assertNotNull() {
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if (is_null($this->contents)) $this->error('must not be null');
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return $this;
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}
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public function assertAlnum() {
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if (!ctype_alnum($this->contents)) $this->error('must be alphanumeric');
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return $this;
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}
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public function assertNotEmpty() {
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if (empty($this->contents)) $this->error('must not be empty');
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return $this;
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}
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protected function error($msg) {
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throw new HTMLPurifier_ConfigSchema_Exception('Member variable \'' . $this->member . '\' in ' . $this->context . ' ' . $msg);
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}
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}
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