Update builder.nim

changed find_closer() to find_closers()

src/builder.nim

@@ -1,39 +1,38 @@
-import cursor, parser, types
+import cursor, parser, types, tables
 
 type Builder* = ref object of RootObj
     parser*: Parser
     cursor: Cursor
     tags: seq[Tag]
 
-method find_closer(this: Builder, tag: Token): bool {.base.} =
+method find_closers(this: Builder) {.base.} =
     var initial_index = this.cursor.get_index()
-    var name = tag.name
-    var closer_expected = 1
+    var opened_tags = initTable[string, seq[Token]]()
     for token in this.cursor.iter():
-        if token.kind == TokenType.TagCloser and token.name == name:
-            dec closer_expected
-        elif token.kind == TokenType.TagOpener and token.name == name:
-            inc closer_expected
-        if closer_expected == 0:
-            this.cursor.go_to(initial_index)
-            return true
+        if token.kind == TokenType.TagOpener:
+            if opened_tags.hasKey token.name:
+                opened_tags[token.name].add(token)
+            else:
+                opened_tags[token.name] = @[token]
+        elif token.kind == TokenType.TagCloser:
+            if opened_tags.hasKey(token.name) and len(opened_tags[token.name]) > 0:
+                opened_tags[token.name][len(opened_tags[token.name]) - 1].self_closing = false
+                opened_tags[token.name].delete(len(opened_tags[token.name]) - 1)
     this.cursor.go_to(initial_index)
-    return false
 
 method build*(this: Builder) {.base.} =
     this.cursor = Cursor(data: this.parser.tokens)
+    this.find_closers()
     var opened_tags: seq[Tag]
-    var closer_tag = false
     var tag: Tag
     for token in this.cursor.iter():
         if token.kind == TokenType.TagOpener:
-            closer_tag = this.find_closer(token)
-            tag = Tag(name: token.name, args: token.args, level: len(opened_tags), no_closer: not closer_tag, index: len(this.tags))
-            if closer_tag:
+            tag = Tag(name: token.name, args: token.args, level: len(opened_tags), no_closer: token.self_closing, index: len(this.tags))
+            if not tag.no_closer:
                 opened_tags.add(tag)
             this.tags.add(tag)
         elif token.kind == TokenType.TagCloser:
-            if opened_tags[len(opened_tags)-1].name == token.name:
+            if len(opened_tags) > 0 and opened_tags[len(opened_tags)-1].name == token.name:
                 opened_tags.delete(len(opened_tags)-1)
         elif token.kind == TokenType.Text:
             if len(opened_tags) > 0: