Add support for range [a TO b]

Author: thePanz

lib/Languages/Galach/TokenExtractor/Full.php

@@ -5,6 +5,7 @@
 use QueryTranslator\Languages\Galach\TokenExtractor;
 use QueryTranslator\Languages\Galach\Tokenizer;
 use QueryTranslator\Languages\Galach\Values\Token\Phrase;
+use QueryTranslator\Languages\Galach\Values\Token\Range;
 use QueryTranslator\Languages\Galach\Values\Token\Tag;
 use QueryTranslator\Languages\Galach\Values\Token\User;
 use QueryTranslator\Languages\Galach\Values\Token\Word;
@@ -35,6 +36,7 @@ final class Full extends TokenExtractor
         '/(?<lexeme>(?:(?<marker>(?<!\\\\)\#)(?<tag>[a-zA-Z0-9_][a-zA-Z0-9_\-.]*)))(?:[\s"()+!]|$)/Au' => Tokenizer::TOKEN_TERM,
         '/(?<lexeme>(?:(?<marker>(?<!\\\\)@)(?<user>[a-zA-Z0-9_][a-zA-Z0-9_\-.]*)))(?:[\s"()+!]|$)/Au' => Tokenizer::TOKEN_TERM,
         '/(?<lexeme>(?:(?<domain>[a-zA-Z_][a-zA-Z0-9_\-.]*):)?(?<quote>(?<!\\\\)["])(?<phrase>.*?)(?:(?<!\\\\)(?P=quote)))/Aus' => Tokenizer::TOKEN_TERM,
+        '/(?<lexeme>(?:(?<domain>[a-zA-Z_][a-zA-Z0-9_\-.]*):)?\[(?<rangeFrom>[a-zA-Z0-9]+) TO (?<rangeTo>[a-zA-Z0-9]+)\])/Aus' => Tokenizer::TOKEN_TERM,
         '/(?<lexeme>(?:(?<domain>[a-zA-Z_][a-zA-Z0-9_\-.]*):)?(?<word>(?:\\\\\\\\|\\\\ |\\\\\(|\\\\\)|\\\\"|[^"()\s])+?))(?:(?<!\\\\)["]|\(|\)|$|\s)/Au' => Tokenizer::TOKEN_TERM,
     ];
 
@@ -48,6 +50,13 @@ protected function createTermToken($position, array $data)
         $lexeme = $data['lexeme'];
 
         switch (true) {
+            case isset($data['rangeFrom']) && isset($data['rangeTo']):
+                return new Range(
+                    $lexeme,
+                    $position,
+                    $data['domain'],
+                    $data['rangeFrom'], $data['rangeTo']
+                );
             case isset($data['word']):
                 return new Word(
                     $lexeme,

lib/Languages/Galach/Tokenizer.php

@@ -78,6 +78,7 @@ final class Tokenizer implements Tokenizing
      * @see \QueryTranslator\Languages\Galach\Values\Token\Tag
      * @see \QueryTranslator\Languages\Galach\Values\Token\User
      * @see \QueryTranslator\Languages\Galach\Values\Token\Word
+     * @see \QueryTranslator\Languages\Galach\Values\Token\Range
      */
     const TOKEN_TERM = 512;
 

lib/Languages/Galach/Values/Token/Range.php

@@ -0,0 +1,47 @@
+<?php
+
+namespace QueryTranslator\Languages\Galach\Values\Token;
+
+use QueryTranslator\Languages\Galach\Tokenizer;
+use QueryTranslator\Values\Token;
+
+/**
+ * Range term token.
+ *
+ * @see \QueryTranslator\Languages\Galach\Tokenizer::TOKEN_TERM
+ */
+final class Range extends Token
+{
+    /**
+     * Holds domain string.
+     *
+     * @var string
+     */
+    public $domain;
+
+    /**
+     * @var string
+     */
+    public $rangeFrom;
+
+    /**
+     * @var string
+     */
+    public $rangeTo;
+
+    /**
+     * @param string $lexeme
+     * @param int $position
+     * @param string $domain
+     * @param string $rangeFrom
+     * @param string $rangeTo
+     */
+    public function __construct($lexeme, $position, $domain, $rangeFrom, $rangeTo)
+    {
+        parent::__construct(Tokenizer::TOKEN_TERM, $lexeme, $position);
+
+        $this->domain = $domain;
+        $this->rangeFrom = $rangeFrom;
+        $this->rangeTo = $rangeTo;
+    }
+}

tests/Galach/Tokenizer/FullTokenizerTest.php

@@ -8,6 +8,7 @@
 use QueryTranslator\Languages\Galach\Values\Token\GroupBegin as GroupBeginToken;
 use QueryTranslator\Languages\Galach\Values\Token\GroupBegin;
 use QueryTranslator\Languages\Galach\Values\Token\Phrase as PhraseToken;
+use QueryTranslator\Languages\Galach\Values\Token\Range as RangeToken;
 use QueryTranslator\Languages\Galach\Values\Token\Tag as TagToken;
 use QueryTranslator\Languages\Galach\Values\Token\User as UserToken;
 use QueryTranslator\Languages\Galach\Values\Token\Word as WordToken;
@@ -112,6 +113,12 @@ public function providerForTestTokenize()
                     new WordToken('word\\ word', 0, '', 'word word'),
                 ],
             ],
+            [
+                '[a TO b]',
+                [
+                    new RangeToken('[a TO b]', 0, '', 'a', 'b'),
+                ],
+            ],
             [
                 '"phrase"',
                 [

tests/Galach/Tokenizer/TextTokenizerTest.php

@@ -95,6 +95,13 @@ public static function setUpBeforeClass()
                 new WordToken('@user', 0, '', '@user'),
                 new Token(Tokenizer::TOKEN_GROUP_END, ')', 5),
             ],
+            '[a TO b]' => [
+                new WordToken('[a', 0, '', '[a'),
+                new Token(Tokenizer::TOKEN_WHITESPACE, ' ', 2),
+                new WordToken('TO', 3, '', 'TO'),
+                new Token(Tokenizer::TOKEN_WHITESPACE, ' ', 5),
+                new WordToken('b]', 6, '', 'b]'),
+            ],
             'domain:domain:' => [
                 new WordToken('domain:domain:', 0, '', 'domain:domain:'),
             ],