100 lines
2.4 KiB
PHP
100 lines
2.4 KiB
PHP
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<?php
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class Validator_StringLength
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implements FieldValidator
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{
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protected $errorPrefix;
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protected $minLength;
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protected $maxLength;
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public function __construct( $errorPrefix , $minLength = 0 , $maxLength = null )
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{
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assert( $maxLength === null || $maxLength >= $minLength );
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$this->errorPrefix = $errorPrefix;
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$this->minLength = $minLength;
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$this->maxLength = $maxLength;
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}
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public function validate( $value )
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{
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$len = strlen( $value );
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if ( $len < $this->minLength ) {
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$template = Loader::Text( '%1$s is too short (min. %2$d characters)' );
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return array( sprintf( $template , $this->errorPrefix , $this->minLength ) );
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}
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if ( $this->maxLength !== null && $len > $this->maxLength ) {
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$template = Loader::Text( '%1$s is too long (max. %2$d characters)' );
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return array( sprintf( $template , $this->errorPrefix , $this->maxLength ) );
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}
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return null;
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}
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}
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class Validator_InArray
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implements FieldValidator
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{
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private $values;
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private $errorText;
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public function __construct( array $values , $errorText )
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{
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$this->values = $values;
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$this->errorText = $errorText;
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}
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public function validate( $value )
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{
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if ( ! ( empty( $this->values ) || in_array( $value , $this->values ) ) ) {
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return array( $this->errorText );
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}
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return null;
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}
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}
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class Validator_IntValue
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implements FieldValidator
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{
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private $invalidText;
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private $minValue;
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private $minError;
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private $maxValue;
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private $maxError;
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public function __construct( $invalidText )
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{
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$this->invalidText = $invalidText;
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}
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public function setMinValue( $minValue , $minError = null )
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{
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assert( $this->maxValue === null || $minValue <= $this->maxValue );
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$this->minValue = $minValue;
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$this->minError = ( $minError === null ) ? $this->invalidText : $minError;
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return $this;
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}
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public function setMaxValue( $maxValue , $maxError = null )
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{
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assert( $this->minValue === null || $maxValue >= $this->maxValue );
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$this->maxValue = $maxValue;
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$this->maxError = ( $maxError === null ) ? $this->invalidText : $maxError;
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return $this;
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}
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public function validate( $value )
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{
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if ( !is_scalar( $value ) || (int) $value != $value ) {
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return array( $this->invalidText );
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} else if ( $this->minValue !== null && $value < $this->minValue ) {
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return array( $this->minError );
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} else if ( $this->maxValue !== null && $value > $this->maxValue ) {
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return array( $this->maxError );
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}
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}
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}
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