fix: method docs parse error on multi line

Author: inhere

src/Annotate/DocblockRules.php

@@ -138,17 +138,18 @@ public function parse(): self
      */
     protected function parseMultiLines(array $lines): array
     {
-        $index = 0;
+        $index = $keyWidth = 0;
         $rules = $kvRules = [];
 
-        $keyWidth = 16; // with an default value.
+        $sepChar = '  ';
+        $sepLen = strlen($sepChar);
         foreach ($lines as $line) {
             $trimmed = trim($line);
             if (!$trimmed) {
                 continue;
             }
 
-            $nodes = Str::explode($trimmed, '  ', 2);
+            $nodes = Str::explode($trimmed, $sepChar, 2);
             if (!isset($nodes[1])) {
                 if ($index === 0) { // invalid first line
                     continue;
@@ -159,12 +160,6 @@ protected function parseMultiLines(array $lines): array
                 continue;
             }
 
-            // TIP: special - if line indent space len gt keyWidth, is desc message of multi line.
-            if (!trim(substr($line, 0, $keyWidth))) {
-                $rules[$index - 1][1] .= "\n" . $trimmed; // multi desc message.
-                continue;
-            }
-
             $name = trim($nodes[0], '.');
             if (!preg_match('/^[\w ,-]{0,48}$/', $name)) {
                 if ($index === 0) { // invalid first line
@@ -176,9 +171,15 @@ protected function parseMultiLines(array $lines): array
                 continue;
             }
 
-            $nameLen  = strlen($name);
+            $nameLen  = strlen($name) + $sepLen;
             $keyWidth = $nameLen > $keyWidth ? $nameLen : $keyWidth;
 
+            // TIP: special - if line indent space len gt keyWidth, is desc message of multi line.
+            if (!trim(substr($line, 0, $keyWidth))) {
+                $rules[$index - 1][1] .= "\n" . $trimmed; // multi desc message.
+                continue;
+            }
+
             // append
             $rules[$index] = [$name, $nodes[1]];
             $index++;

test/Annotate/DocblockRulesTest.php

@@ -69,6 +69,41 @@ public function testParse_byDocComment(): void
         $this->assertArrayHasKey('repoPath', $args);
     }
 
+    public function testParse_byDocComment_mlOptions(): void
+    {
+        $dr = DocblockRules::new();
+        $dr->setDocTagsByDocblock(<<<DOC
+    /**
+     * Match directory paths by given keywords
+     *
+     * @arguments
+     *  keywords   The jump target directory keywords for match.
+     *
+     * @options
+     *  --flag     The flag set for match paths.
+     *              Allow:
+     *              1   Only match name path list
+     *              2   Only match history path list
+     *              3   match all directory path list(default)
+     *  --no-name   bool;Not output name for named paths, useful for bash env.
+     *  --limit     bool;Limit the match result rows
+     *
+     */
+DOC
+        );
+
+        $dr->parse();
+
+        $this->assertNotEmpty($opts = $dr->getOptRules());
+        $this->assertCount(3, $opts);
+        vdump($opts);
+        $this->assertStringContainsString('2   Only match history path list', $opts['--flag']);
+
+        $this->assertNotEmpty($args = $dr->getArgRules());
+        $this->assertCount(1, $args);
+        $this->assertArrayHasKey('keywords', $args);
+    }
+
     public function testParse_byDocComment_complex(): void
     {
         $dr = DocblockRules::new();