1 files changed, 0 insertions, 257 deletions
diff --git a/vendor/maunium.net/go/mautrix/format/htmlparser.go b/vendor/maunium.net/go/mautrix/format/htmlparser.go
deleted file mode 100644
index b681be6..0000000
--- a/vendor/maunium.net/go/mautrix/format/htmlparser.go
+++ /dev/null
@@ -1,257 +0,0 @@
-// Copyright 2018 Tulir Asokan
-package format
-
-import (
-	"fmt"
-	"math"
-	"regexp"
-	"strings"
-
-	"golang.org/x/net/html"
-	"strconv"
-)
-
-var MatrixToURL = regexp.MustCompile("^(?:https?://)?(?:www\\.)?matrix\\.to/#/([#@!+].*)(?:/(\\$.+))?")
-
-type TextConverter func(string) string
-
-type HTMLParser struct {
-	PillConverter           func(mxid, eventID string) string
-	TabsToSpaces            int
-	Newline                 string
-	BoldConverter           TextConverter
-	ItalicConverter         TextConverter
-	StrikethroughConverter  TextConverter
-	UnderlineConverter      TextConverter
-	MonospaceBlockConverter TextConverter
-	MonospaceConverter      TextConverter
-}
-
-type TaggedString struct {
-	string
-	tag string
-}
-
-func (parser *HTMLParser) getAttribute(node *html.Node, attribute string) string {
-	for _, attr := range node.Attr {
-		if attr.Key == attribute {
-			return attr.Val
-		}
-	}
-	return ""
-}
-
-func Digits(num int) int {
-	return int(math.Floor(math.Log10(float64(num))) + 1)
-}
-
-func (parser *HTMLParser) listToString(node *html.Node, stripLinebreak bool) string {
-	ordered := node.Data == "ol"
-	taggedChildren := parser.nodeToTaggedStrings(node.FirstChild, stripLinebreak)
-	counter := 1
-	indentLength := 0
-	if ordered {
-		start := parser.getAttribute(node, "start")
-		if len(start) > 0 {
-			counter, _ = strconv.Atoi(start)
-		}
-
-		longestIndex := (counter - 1) + len(taggedChildren)
-		indentLength = Digits(longestIndex)
-	}
-	indent := strings.Repeat(" ", indentLength+2)
-	var children []string
-	for _, child := range taggedChildren {
-		if child.tag != "li" {
-			continue
-		}
-		var prefix string
-		if ordered {
-			indexPadding := indentLength - Digits(counter)
-			prefix = fmt.Sprintf("%d. %s", counter, strings.Repeat(" ", indexPadding))
-		} else {
-			prefix = "● "
-		}
-		str := prefix + child.string
-		counter++
-		parts := strings.Split(str, "\n")
-		for i, part := range parts[1:] {
-			parts[i+1] = indent + part
-		}
-		str = strings.Join(parts, "\n")
-		children = append(children, str)
-	}
-	return strings.Join(children, "\n")
-}
-
-func (parser *HTMLParser) basicFormatToString(node *html.Node, stripLinebreak bool) string {
-	str := parser.nodeToTagAwareString(node.FirstChild, stripLinebreak)
-	switch node.Data {
-	case "b", "strong":
-		if parser.BoldConverter != nil {
-			return parser.BoldConverter(str)
-		}
-		return fmt.Sprintf("**%s**", str)
-	case "i", "em":
-		if parser.ItalicConverter != nil {
-			return parser.ItalicConverter(str)
-		}
-		return fmt.Sprintf("_%s_", str)
-	case "s", "del":
-		if parser.StrikethroughConverter != nil {
-			return parser.StrikethroughConverter(str)
-		}
-		return fmt.Sprintf("~~%s~~", str)
-	case "u", "ins":
-		if parser.UnderlineConverter != nil {
-			return parser.UnderlineConverter(str)
-		}
-	case "tt", "code":
-		if parser.MonospaceConverter != nil {
-			return parser.MonospaceConverter(str)
-		}
-	}
-	return str
-}
-
-func (parser *HTMLParser) headerToString(node *html.Node, stripLinebreak bool) string {
-	children := parser.nodeToStrings(node.FirstChild, stripLinebreak)
-	length := int(node.Data[1] - '0')
-	prefix := strings.Repeat("#", length) + " "
-	return prefix + strings.Join(children, "")
-}
-
-func (parser *HTMLParser) blockquoteToString(node *html.Node, stripLinebreak bool) string {
-	str := parser.nodeToTagAwareString(node.FirstChild, stripLinebreak)
-	childrenArr := strings.Split(strings.TrimSpace(str), "\n")
-	for index, child := range childrenArr {
-		childrenArr[index] = "> " + child
-	}
-	return strings.Join(childrenArr, "\n")
-}
-
-func (parser *HTMLParser) linkToString(node *html.Node, stripLinebreak bool) string {
-	str := parser.nodeToTagAwareString(node.FirstChild, stripLinebreak)
-	href := parser.getAttribute(node, "href")
-	if len(href) == 0 {
-		return str
-	}
-	match := MatrixToURL.FindStringSubmatch(href)
-	if len(match) == 2 || len(match) == 3 {
-		if parser.PillConverter != nil {
-			mxid := match[1]
-			eventID := ""
-			if len(match) == 3 {
-				eventID = match[2]
-			}
-			return parser.PillConverter(mxid, eventID)
-		}
-		return str
-	}
-	return fmt.Sprintf("%s (%s)", str, href)
-}
-
-func (parser *HTMLParser) tagToString(node *html.Node, stripLinebreak bool) string {
-	switch node.Data {
-	case "blockquote":
-		return parser.blockquoteToString(node, stripLinebreak)
-	case "ol", "ul":
-		return parser.listToString(node, stripLinebreak)
-	case "h1", "h2", "h3", "h4", "h5", "h6":
-		return parser.headerToString(node, stripLinebreak)
-	case "br":
-		return parser.Newline
-	case "b", "strong", "i", "em", "s", "del", "u", "ins", "tt", "code":
-		return parser.basicFormatToString(node, stripLinebreak)
-	case "a":
-		return parser.linkToString(node, stripLinebreak)
-	case "p":
-		return parser.nodeToTagAwareString(node.FirstChild, stripLinebreak) + "\n"
-	case "pre":
-		var preStr string
-		if node.FirstChild != nil && node.FirstChild.Type == html.ElementNode && node.FirstChild.Data == "code" {
-			preStr = parser.nodeToString(node.FirstChild.FirstChild, false)
-		} else {
-			preStr = parser.nodeToString(node.FirstChild, false)
-		}
-		if parser.MonospaceBlockConverter != nil {
-			return parser.MonospaceBlockConverter(preStr)
-		}
-		return preStr
-	default:
-		return parser.nodeToTagAwareString(node.FirstChild, stripLinebreak)
-	}
-}
-
-func (parser *HTMLParser) singleNodeToString(node *html.Node, stripLinebreak bool) TaggedString {
-	switch node.Type {
-	case html.TextNode:
-		if stripLinebreak {
-			node.Data = strings.Replace(node.Data, "\n", "", -1)
-		}
-		return TaggedString{node.Data, "text"}
-	case html.ElementNode:
-		return TaggedString{parser.tagToString(node, stripLinebreak), node.Data}
-	case html.DocumentNode:
-		return TaggedString{parser.nodeToTagAwareString(node.FirstChild, stripLinebreak), "html"}
-	default:
-		return TaggedString{"", "unknown"}
-	}
-}
-
-func (parser *HTMLParser) nodeToTaggedStrings(node *html.Node, stripLinebreak bool) (strs []TaggedString) {
-	for ; node != nil; node = node.NextSibling {
-		strs = append(strs, parser.singleNodeToString(node, stripLinebreak))
-	}
-	return
-}
-
-var BlockTags = []string{"p", "h1", "h2", "h3", "h4", "h5", "h6", "ol", "ul", "pre", "blockquote", "div", "hr", "table"}
-
-func (parser *HTMLParser) isBlockTag(tag string) bool {
-	for _, blockTag := range BlockTags {
-		if tag == blockTag {
-			return true
-		}
-	}
-	return false
-}
-
-func (parser *HTMLParser) nodeToTagAwareString(node *html.Node, stripLinebreak bool) string {
-	strs := parser.nodeToTaggedStrings(node, stripLinebreak)
-	var output strings.Builder
-	for _, str := range strs {
-		tstr := str.string
-		if parser.isBlockTag(str.tag) {
-			tstr = fmt.Sprintf("\n%s\n", tstr)
-		}
-		output.WriteString(tstr)
-	}
-	return strings.TrimSpace(output.String())
-}
-
-func (parser *HTMLParser) nodeToStrings(node *html.Node, stripLinebreak bool) (strs []string) {
-	for ; node != nil; node = node.NextSibling {
-		strs = append(strs, parser.singleNodeToString(node, stripLinebreak).string)
-	}
-	return
-}
-
-func (parser *HTMLParser) nodeToString(node *html.Node, stripLinebreak bool) string {
-	return strings.Join(parser.nodeToStrings(node, stripLinebreak), "")
-}
-
-func (parser *HTMLParser) Parse(htmlData string) string {
-	if parser.TabsToSpaces >= 0 {
-		htmlData = strings.Replace(htmlData, "\t", strings.Repeat(" ", parser.TabsToSpaces), -1)
-	}
-	node, _ := html.Parse(strings.NewReader(htmlData))
-	return parser.nodeToTagAwareString(node, true)
-}
-
-func HTMLToText(html string) string {
-	return (&HTMLParser{
-		TabsToSpaces: 4,
-		Newline:      "\n",
-	}).Parse(html)
-}