Merge pull request #2 from treehouselabs/stemmer

Added support for PHP 7 compatible stemmer

.travis.yml

@@ -1,6 +1,11 @@
 # use Docker infrastructure
 sudo: false
 
+addons:
+  apt:
+    packages:
+      - libstemmer-dev
+
 cache:
   directories:
     - $HOME/.composer/cache
@@ -21,6 +26,17 @@ cache:
   directories:
     - $HOME/.composer/cache
 
+install:
+  - sh -c "
+      git clone https://github.com/jbboehr/php-stemmer.git;
+      cd php-stemmer && git checkout v1.0.2;
+      phpize;
+      ./configure;
+      make;
+      make install;
+    "
+  - echo "extension = stemmer.so" >> ~/.phpenv/versions/$(phpenv version-name)/etc/php.ini
+
 before_script:
   - travis_retry composer self-update
   - travis_retry composer update ${COMPOSER_FLAGS} --no-interaction --prefer-source
@@ -29,4 +45,4 @@ script:
   - ./vendor/bin/phpunit --coverage-text --coverage-clover=coverage.clover
 
 after_script:
-  - if [[ $TRAVIS_PHP_VERSION != 'hhvm' && $TRAVIS_PHP_VERSION != '7.0' ]]; then php vendor/bin/ocular code-coverage:upload --format=php-clover coverage.clover; fi
+  - if [[ $TRAVIS_PHP_VERSION != 'hhvm' && $TRAVIS_PHP_VERSION != '7.0' ]]; then wget https://scrutinizer-ci.com/ocular.phar && php ocular.phar code-coverage:upload --format=php-clover coverage.clover; fi

README.md

@@ -11,6 +11,11 @@ configuration values, like enums. It also gives you a nice object-oriented way
 to handle these.
 
 
+## Requirements
+
+* PHP >= 5.5
+* The stemmer extension: https://github.com/jbboehr/php-stemmer
+
 ## Installation
 
 ```sh

composer.json

@@ -14,12 +14,12 @@
     }
   ],
   "require": {
-    "php": ">=5.5"
+    "php": ">=5.5",
+    "ext-stemmer": "*"
   },
   "require-dev": {
     "phpunit/phpunit": "~4.0",
-    "symfony/validator": "~2.4",
-    "scrutinizer/ocular": "~1.1"
+    "symfony/validator": "~2.4"
   },
   "autoload": {
     "psr-4": {

src/TreeHouse/Model/Config/Matcher/Stemmer/PorterStemmer.php

@@ -31,7 +31,15 @@ public function __construct($language = 'dutch', $encoding = 'UTF_8')
      */
     public function stem($word)
     {
-        return stemword($this->slugify($word), $this->language, $this->encoding);
+        if (function_exists('stemmer_stem_word')) {
+            $func = 'stemmer_stem_word';
+        } elseif (function_exists('stemword')) {
+            $func = 'stemword';
+        } else {
+            throw new \RuntimeException('The php-stemmer extension was not installed/configured properly');
+        }
+
+        return $func($this->slugify($word), $this->language, $this->encoding);
     }
 
     /**
@@ -75,4 +83,4 @@ protected function slugify($slug)
         // return rawurlencoded (just to be sure)
         return rawurlencode($slug);
     }
-}
+}