JsonPointer::buildPath

Author: vearutop

README.md

@@ -115,6 +115,9 @@ Escapes path segment.
 #### `splitPath`
 Creates array of unescaped segments from `JSON Pointer` string.
 
+#### `buildPath`
+Creates `JSON Pointer` string from array of unescaped segments.
+
 #### `add`
 Adds value to data at path specified by segments.
 

src/JsonPointer.php

@@ -19,6 +19,20 @@ public static function escapeSegment($key, $isURIFragmentId = false)
         }
     }
 
+    /**
+     * @param string[] $pathItems
+     * @param bool $isURIFragmentId
+     * @return string
+     */
+    public static function buildPath(array $pathItems, $isURIFragmentId = false)
+    {
+        $result = $isURIFragmentId ? '#' : '';
+        foreach ($pathItems as $pathItem) {
+            $result .= '/' . self::escapeSegment($pathItem, $isURIFragmentId);
+        }
+        return $result;
+    }
+
     /**
      * @param string $path
      * @return string[]

tests/src/JsonPointerTest.php

@@ -52,4 +52,14 @@ public function testEscapeSegment()
         $segment = '/project/{username}/{project}';
         $this->assertSame('~1project~1%7Busername%7D~1%7Bproject%7D', JsonPointer::escapeSegment($segment, true));
     }
+
+    public function testBuildPath()
+    {
+        $pathItems = ['key1', '/project/{username}/{project}', 'key2'];
+
+        $this->assertSame('/key1/~1project~1{username}~1{project}/key2',
+            JsonPointer::buildPath($pathItems));
+        $this->assertSame('#/key1/~1project~1%7Busername%7D~1%7Bproject%7D/key2',
+            JsonPointer::buildPath($pathItems, true));
+    }
 }