Merge pull request #5 from Laurentvw/develop

Develop

README.md

@@ -88,9 +88,9 @@ In some cases, you may want to add (read: append) URLs or contents on the fly.
 
 ```php
 $scrapher->addUrl($url);
-$scrapher->addUrls([$url, $url2]);
+$scrapher->addUrls(array($url, $url2));
 $scrapher->addContent($content);
-$scrapher->addContents([$content, $content2]);
+$scrapher->addContents(array($content, $content2));
 ```
 
 ### Matching data using a Selector

composer.json

@@ -1,11 +1,11 @@
 {
     "name": "laurentvw/scrapher",
     "type": "library",
-    "description": "A PHP library to easily scrape data from web pages",
+    "description": "A web scraper for PHP to easily extract data from web pages",
     "keywords": ["scraper", "scraping", "scrape", "extract", "extractor", "crawler", "crawling", "match", "matcher", "parse", "parser", "data", "mining", "harvest", "text", "content", "spider"],
     "homepage": "http://github.com/Laurentvw/scrapher",
     "require": {
-    	"php": ">=5.4.0"
+    	"php": ">=5.3.0"
     },
     "license": "MIT",
     "authors": [

src/Laurentvw/Scrapher/Exceptions/SelectorNotFoundException.php

@@ -0,0 +1,9 @@
+<?php namespace Laurentvw\Scrapher\Exceptions;
+
+class SelectorNotFoundException extends \Exception {
+
+    public function __construct()
+    {
+        parent::__construct('No selector was specified using the with() method');
+    }
+}

src/Laurentvw/Scrapher/Scrapher.php

@@ -1,6 +1,7 @@
 <?php namespace Laurentvw\Scrapher;
 
 use Laurentvw\Scrapher\Exceptions\ContentNotFoundException;
+use Laurentvw\Scrapher\Exceptions\SelectorNotFoundException;
 use Laurentvw\Scrapher\Selectors\Selector;
 
 class Scrapher {
@@ -255,9 +256,15 @@ public function getLogs()
      * The matcher
      *
      * @return Matcher
+     * @throws SelectorNotFoundException
      */
     protected function getMatcher()
     {
+        if ( ! $this->matcher)
+        {
+            throw new SelectorNotFoundException;
+        }
+
         return $this->matcher;
     }