More matching functionality

lib/Scope/Matcher.php

@@ -7,7 +7,7 @@ declare(strict_types=1);
 namespace dW\Highlighter\Scope;
 
 abstract class Matcher {
-    public function getPrefix(string $scope) {
+    public function getPrefix(string $scope): string|null|false {
         return null;
     }
 }

lib/Scope/Matchers/AndMatcher.php

@@ -14,4 +14,14 @@ class AndMatcher extends Matcher {
         $this->left = $left;
         $this->right = $right;
     }
+
+    public function matches(array $scopes): bool {
+        return ($this->left->matches($scopes) && $this->right->matches($scopes));
+    }
+
+    public function getPrefix(array $scopes): string|null|false {
+        if ($this->left->matches($scopes) && $this->right->matches($scopes)) {
+            return $this->left->getPrefix($scopes);
+        }
+    }
 }

lib/Scope/Matchers/CompositeMatcher.php

@@ -22,4 +22,12 @@ class CompositeMatcher extends Matcher {
             break;
         }
     }
+
+    public function matches(array $scopes): bool {
+        return $this->matcher->matches($scopes);
+    }
+
+    public function getPrefix(array $scopes): string|null|false {
+        return $this->matcher->getPrefix($scopes);
+    }
 }

lib/Scope/Matchers/GroupMatcher.php

@@ -14,4 +14,14 @@ class GroupMatcher extends Matcher {
         $this->prefix = ($prefix !== null) ? $prefix[0] : null;
         $this->selector = $selector;
     }
+
+    public function matches(array $scopes): bool {
+        return $this->selector->matches($scope);
+    }
+
+    public function getPrefix(array $scopes): string|null|false {
+        if ($this->selector->matches($scopes)) {
+            return $this->prefix;
+        }
+    }
 }

lib/Scope/Matchers/NegateMatcher.php

@@ -12,4 +12,12 @@ class NegateMatcher extends Matcher {
     public function __construct(Matcher $matcher) {
         $this->matcher = $matcher;
     }
+
+    public function matches(array $scopes): bool {
+        return !($this->matcher->matches($scopes));
+    }
+
+    public function getPrefix(array $scopes): null {
+        return null;
+    }
 }

lib/Scope/Matchers/OrMatcher.php

@@ -14,4 +14,12 @@ class OrMatcher extends Matcher {
         $this->left = $left;
         $this->right = $right;
     }
+
+    public function matches(array $scopes): bool {
+        return ($this->left->matches($scopes) || $this->right->matches($scopes));
+    }
+
+    public function getPrefix(array $scopes): string|null|false {
+        return $this->left->getPrefix($scopes) || $this->right->getPrefix($scopes);
+    }
 }

lib/Scope/Matchers/PathMatcher.php

@@ -14,4 +14,24 @@ class PathMatcher extends Matcher {
         $this->prefix = ($prefix !== null) ? $prefix[0] : null;
         $this->matchers = $matchers;
     }
+
+    public function matches(array $scopes): bool {
+        $count = 0;
+        $matcher = $this->matchers[$count];
+        foreach ($scopes as $scope) {
+            if ($matcher->matches($scope)) {
+                 $matcher = $this->matchers[++$count];
+            }
+            if ($matcher === null) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    public function getPrefix(array $scopes): string|null|false {
+        if ($this->matches($scopes)) {
+            return $this->prefix;
+        }
+    }
 }