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0144817971
* Do not allow commiting to protected branch from online editor * Add editor integration tests for adding new file and not allowing to add new file to protected branch
111 lines
2.1 KiB
Go
111 lines
2.1 KiB
Go
// Copyright 2017 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package integrations
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import (
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"bytes"
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"golang.org/x/net/html"
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)
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type HtmlDoc struct {
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doc *html.Node
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body *html.Node
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}
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func NewHtmlParser(content []byte) (*HtmlDoc, error) {
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doc, err := html.Parse(bytes.NewReader(content))
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if err != nil {
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return nil, err
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}
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return &HtmlDoc{doc: doc}, nil
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}
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func (doc *HtmlDoc) GetBody() *html.Node {
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if doc.body == nil {
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var b *html.Node
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var f func(*html.Node)
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f = func(n *html.Node) {
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if n.Type == html.ElementNode && n.Data == "body" {
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b = n
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return
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}
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for c := n.FirstChild; c != nil; c = c.NextSibling {
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f(c)
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}
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}
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f(doc.doc)
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if b != nil {
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doc.body = b
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} else {
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doc.body = doc.doc
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}
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}
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return doc.body
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}
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func (doc *HtmlDoc) GetAttribute(n *html.Node, key string) (string, bool) {
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for _, attr := range n.Attr {
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if attr.Key == key {
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return attr.Val, true
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}
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}
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return "", false
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}
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func (doc *HtmlDoc) checkAttr(n *html.Node, attr, val string) bool {
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if n.Type == html.ElementNode {
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s, ok := doc.GetAttribute(n, attr)
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if ok && s == val {
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return true
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}
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}
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return false
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}
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func (doc *HtmlDoc) traverse(n *html.Node, attr, val string) *html.Node {
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if doc.checkAttr(n, attr, val) {
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return n
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}
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for c := n.FirstChild; c != nil; c = c.NextSibling {
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result := doc.traverse(c, attr, val)
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if result != nil {
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return result
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}
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}
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return nil
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}
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func (doc *HtmlDoc) GetElementById(id string) *html.Node {
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return doc.traverse(doc.GetBody(), "id", id)
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}
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func (doc *HtmlDoc) GetInputValueById(id string) string {
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inp := doc.GetElementById(id)
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if inp == nil {
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return ""
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}
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val, _ := doc.GetAttribute(inp, "value")
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return val
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}
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func (doc *HtmlDoc) GetElementByName(name string) *html.Node {
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return doc.traverse(doc.GetBody(), "name", name)
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}
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func (doc *HtmlDoc) GetInputValueByName(name string) string {
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inp := doc.GetElementByName(name)
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if inp == nil {
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return ""
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}
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val, _ := doc.GetAttribute(inp, "value")
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return val
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}
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