replace zxq.co/ripple/hanayo

vendor/github.com/frustra/bbcode/parser.go

@@ -0,0 +1,60 @@
+// Copyright 2015 Frustra. All rights reserved.
+// Use of this source code is governed by the MIT
+// license that can be found in the LICENSE file.
+
+package bbcode
+
+type BBCodeNode struct {
+	Token
+	Parent     *BBCodeNode
+	Children   []*BBCodeNode
+	ClosingTag *BBClosingTag
+
+	Compiler *Compiler
+	Info     interface{}
+}
+
+func (n *BBCodeNode) GetOpeningTag() *BBOpeningTag {
+	if tag, ok := n.Value.(BBOpeningTag); ok {
+		return &tag
+	} else {
+		return nil
+	}
+}
+
+func (n *BBCodeNode) appendChild(t Token) *BBCodeNode {
+	if t.ID == CLOSING_TAG {
+		curr := n
+		closing := t.Value.(BBClosingTag)
+		for curr.Parent != nil {
+			if curr.ID == OPENING_TAG && curr.Value.(BBOpeningTag).Name == closing.Name {
+				curr.ClosingTag = &closing
+				return curr.Parent
+			}
+			curr = curr.Parent
+		}
+	}
+
+	// Join consecutive TEXT tokens
+	if len(n.Children) == 0 && t.ID == TEXT && n.ID == TEXT {
+		n.Value = n.Value.(string) + t.Value.(string)
+		return n
+	}
+
+	node := &BBCodeNode{t, n, make([]*BBCodeNode, 0, 5), nil, nil, nil}
+	n.Children = append(n.Children, node)
+	if t.ID == OPENING_TAG {
+		return node
+	} else {
+		return n
+	}
+}
+
+func Parse(tokens chan Token) *BBCodeNode {
+	root := &BBCodeNode{Token{TEXT, ""}, nil, make([]*BBCodeNode, 0, 5), nil, nil, nil}
+	curr := root
+	for tok := range tokens {
+		curr = curr.appendChild(tok)
+	}
+	return root
+}