Support BCE / CE times

src/NodaTimeSplitter.php

@@ -66,6 +66,8 @@ final class NodaTimeSplitter {
         // To clean
         "v.Chr." => "v. Chr.",
         "v. Chr" => "v. Chr.",
+        "BCE" => "v. Chr.",
+        "CE" => "",
         "vor Christus" => "v. Chr.",
     ];
 
@@ -399,7 +401,7 @@ final class NodaTimeSplitter {
 
         $datum = self::clean_input($datum);
 
-        if (\preg_match("/\ v\.\ Chr\.$/", $datum)) {
+        if (\str_ends_with($datum, ' v. Chr.')) {
             if ($output = self::attempt_splitting(\substr($datum, 0, -8))) {
                 $start = \strval(-1 * \intval($output[1]));
                 $end = \strval(-1 * \intval($output[0]));

tests/NodaTimeSplitterTest.php

@@ -428,6 +428,42 @@ final class NodaTimeSplitterTest extends TestCase {
 
     }
 
+    /**
+     * Test to check whether the HTML page is correctly generated.
+     *
+     * @author Joshua Ramon Enslin <joshua@museum-digital.de>
+     * @group  ValidOutput
+     *
+     * @return void
+     */
+    public function testSplitSimpleDatesEnglish():void {
+
+        $output = NodaTimeSplitter::attempt_splitting("1925 BCE");
+        self::assertEquals($output, [
+            0 => "-1925",
+            1 => "-1925",
+            2 => "00",
+            3 => "00",
+            4 => "-",
+            5 => "",
+        ]);
+        self::assertEquals(NodaTimeSplitter::timePartsToTimeName($output), "1925 v. Chr.");
+        self::assertEquals(NodaTimeSplitter::timePartsToCountingYear($output), 1925);
+
+        $output = NodaTimeSplitter::attempt_splitting("1925 CE");
+        self::assertEquals($output, [
+            0 => "1925",
+            1 => "1925",
+            2 => "00",
+            3 => "00",
+            4 => "+",
+            5 => "",
+        ]);
+        self::assertEquals(NodaTimeSplitter::timePartsToTimeName($output), "1925");
+        self::assertEquals(NodaTimeSplitter::timePartsToCountingYear($output), 1925);
+
+    }
+
     /**
      * Test to check whether the HTML page is correctly generated.
      *