Add basic csv output

Author: Jaspaul

src/SoapBox/Formatter/ArrayHelpers.php

@@ -0,0 +1,19 @@
+<?php namespace SoapBox\Formatter;
+
+use Illuminate\Support\Arr;
+
+class ArrayHelpers {
+
+	public static function isAssociative($array) {
+	    return array_keys($array) !== range(0, count($array) - 1);
+	}
+
+	public static function dotKeys(array $data) {
+		return array_keys(Arr::dot($data));
+	}
+
+	public static function dot(array $data) {
+		return Arr::dot($data);
+	}
+
+}

src/SoapBox/Formatter/Parsers/Parser.php

@@ -2,6 +2,7 @@
 
 use Spyc;
 use Str;
+use SoapBox\Formatter\ArrayHelpers;
 
 /**
  * Parser Interface
@@ -111,9 +112,39 @@ public function toXml() {
 		return $this->xmlify($this->toArray());
 	}
 
+	private function csvify($data) {
+		$results = [];
+		foreach ($data as $row) {
+			$results[] = array_values(ArrayHelpers::dot($row));
+		}
+		return $results;
+	}
+
 	/**
 	 * Return a csv representation of the data stored in the parser
 	 *
-	 * @return string An xml string representing the encapsulated data
+	 * @return string An csv string representing the encapsulated data
 	 */
+	public function toCsv() {
+		$data = $this->toArray();
+
+		if (ArrayHelpers::isAssociative($data) || !is_array($data[0])) {
+			$data = [$data];
+		}
+
+		$result = [];
+
+		$result[] = ArrayHelpers::dotKeys($data[0]);
+
+		foreach ($data as $row) {
+			$result[] = array_values(ArrayHelpers::dot($row));
+		}
+
+		$output = '';
+		foreach ($result as $row) {
+			$output .= implode(',', $row) . "\r\n";
+		}
+
+		return $output;
+	}
 }

tests/unit/Parsers/ArrayParserTest.php

@@ -49,4 +49,9 @@ public function testtoJsonReturnsJsonRepresentationOfNamedArray() {
 		$parser = new ArrayParser(['foo' => 'bar']);
 		$this->assertEquals($expected, $parser->toJson());
 	}
+
+	public function testFunTimes() {
+		$parser = new ArrayParser([[0,1,2], [2,3,4]]);
+		var_dump($parser->toCsv());
+	}
 }