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107 lines
2.5 KiB
PHP
107 lines
2.5 KiB
PHP
<?php
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namespace SearchRegex;
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class Match_Column {
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const CONTEXT_LIMIT = 20;
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/** @var string Column ID */
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private $column_id;
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/** @var string */
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private $column_label;
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/** @var Match_Context[] */
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private $contexts;
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/** @var int */
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private $context_count;
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/** @var int */
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private $match_count;
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/** @var string */
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private $replacement;
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/**
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* Create a Match Column, which contains an array of Match_Context items for a particular database column.
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*
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* @param string $column_id Column ID.
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* @param string $column_label Descriptive column label, shown to the user.
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* @param string $replacement The replaced value.
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* @param Match_Context[] $contexts Array of Match_Context items for this column.
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*/
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public function __construct( $column_id, $column_label, $replacement, array $contexts ) {
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$this->match_count = 0;
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foreach ( $contexts as $context ) {
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$this->match_count += $context->get_match_count();
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}
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$this->column_id = $column_id;
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$this->column_label = $column_label;
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$this->context_count = count( $contexts );
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$this->contexts = array_slice( $contexts, 0, self::CONTEXT_LIMIT );
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$this->replacement = $replacement;
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}
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/**
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* Convert the Match_Context to JSON
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*
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* @return Array JSON data
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*/
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public function to_json() {
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$contexts = [];
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foreach ( $this->contexts as $context ) {
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$contexts[] = $context->to_json();
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}
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return [
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'column_id' => $this->column_id,
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'column_label' => $this->column_label,
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'contexts' => $contexts,
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'context_count' => $this->context_count,
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'match_count' => $this->match_count,
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'replacement' => $this->replacement, // TODO is this needed?
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];
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}
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/**
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* Get column ID
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*
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* @return String Column ID
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*/
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public function get_column_id() {
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return $this->column_id;
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}
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/**
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* Get match count
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*
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* @return Int Match count
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*/
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public function get_match_count() {
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return $this->match_count;
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}
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/**
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* Get the replacement
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*
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* @param Int|null $pos_id Position within the raw data.
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* @param Array $raw Raw column data.
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* @return Bool|String Replaced data, or false
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*/
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public function get_replacement( $pos_id, array $raw ) {
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if ( $pos_id !== null ) {
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foreach ( $this->contexts as $context ) {
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$match = $context->get_match_at_position( $pos_id );
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if ( is_object( $match ) && isset( $raw[ $this->column_id ] ) ) {
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// Need to replace the match with the result in the raw data
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return $match->replace_at_position( $raw[ $this->column_id ] );
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}
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}
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return false;
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}
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return $this->replacement;
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}
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}
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