Refactor message parsing things
This commit is contained in:
Tulir Asokan
49
ui/messages/html/blockquote.go
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49
ui/messages/html/blockquote.go
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@ -0,0 +1,49 @@
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// gomuks - A terminal Matrix client written in Go.
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// Copyright (C) 2019 Tulir Asokan
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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package html
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import (
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"fmt"
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"maunium.net/go/mauview"
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)
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type BlockquoteEntity struct {
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*BaseEntity
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}
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const BlockQuoteChar = '>'
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func NewBlockquoteEntity(children []Entity) *BlockquoteEntity {
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return &BlockquoteEntity{&BaseEntity{
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Tag: "blockquote",
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Children: children,
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Block: true,
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Indent: 2,
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}}
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}
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func (be *BlockquoteEntity) Draw(screen mauview.Screen) {
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be.BaseEntity.Draw(screen)
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for y := 0; y < be.height; y++ {
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screen.SetContent(0, y, BlockQuoteChar, nil, be.Style)
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}
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}
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func (be *BlockquoteEntity) String() string {
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return fmt.Sprintf("&html.BlockquoteEntity{%s},\n", be.BaseEntity)
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}
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28
ui/messages/html/break.go
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28
ui/messages/html/break.go
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@ -0,0 +1,28 @@
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// gomuks - A terminal Matrix client written in Go.
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// Copyright (C) 2019 Tulir Asokan
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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package html
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type BreakEntity struct {
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*BaseEntity
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}
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func NewBreakEntity() *BreakEntity {
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return &BreakEntity{&BaseEntity{
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Tag: "br",
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Block: true,
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}}
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}
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48
ui/messages/html/codeblock.go
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48
ui/messages/html/codeblock.go
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@ -0,0 +1,48 @@
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// gomuks - A terminal Matrix client written in Go.
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// Copyright (C) 2019 Tulir Asokan
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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package html
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import (
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"maunium.net/go/mauview"
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"maunium.net/go/tcell"
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)
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type CodeBlockEntity struct {
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*BaseEntity
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Background tcell.Style
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}
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func NewCodeBlockEntity(children []Entity, background tcell.Style) *CodeBlockEntity {
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return &CodeBlockEntity{
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BaseEntity: &BaseEntity{
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Tag: "pre",
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Block: true,
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Children: children,
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},
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Background: background,
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}
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}
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func (ce *CodeBlockEntity) Draw(screen mauview.Screen) {
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screen.Fill(' ', ce.Background)
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ce.BaseEntity.Draw(screen)
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}
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func (ce *CodeBlockEntity) AdjustStyle(fn AdjustStyleFunc) Entity {
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// Don't allow adjusting code block style.
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return ce
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}
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156
ui/messages/html/colormap.go
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156
ui/messages/html/colormap.go
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@ -0,0 +1,156 @@
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// From https://github.com/golang/image/blob/master/colornames/colornames.go
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package html
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import (
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"image/color"
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)
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var colorMap = map[string]color.RGBA{
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"aliceblue": {0xf0, 0xf8, 0xff, 0xff}, // rgb(240, 248, 255)
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"antiquewhite": {0xfa, 0xeb, 0xd7, 0xff}, // rgb(250, 235, 215)
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"aqua": {0x00, 0xff, 0xff, 0xff}, // rgb(0, 255, 255)
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"aquamarine": {0x7f, 0xff, 0xd4, 0xff}, // rgb(127, 255, 212)
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"azure": {0xf0, 0xff, 0xff, 0xff}, // rgb(240, 255, 255)
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"beige": {0xf5, 0xf5, 0xdc, 0xff}, // rgb(245, 245, 220)
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"bisque": {0xff, 0xe4, 0xc4, 0xff}, // rgb(255, 228, 196)
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"black": {0x00, 0x00, 0x00, 0xff}, // rgb(0, 0, 0)
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"blanchedalmond": {0xff, 0xeb, 0xcd, 0xff}, // rgb(255, 235, 205)
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"blue": {0x00, 0x00, 0xff, 0xff}, // rgb(0, 0, 255)
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"blueviolet": {0x8a, 0x2b, 0xe2, 0xff}, // rgb(138, 43, 226)
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"brown": {0xa5, 0x2a, 0x2a, 0xff}, // rgb(165, 42, 42)
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"burlywood": {0xde, 0xb8, 0x87, 0xff}, // rgb(222, 184, 135)
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"cadetblue": {0x5f, 0x9e, 0xa0, 0xff}, // rgb(95, 158, 160)
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"chartreuse": {0x7f, 0xff, 0x00, 0xff}, // rgb(127, 255, 0)
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"chocolate": {0xd2, 0x69, 0x1e, 0xff}, // rgb(210, 105, 30)
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"coral": {0xff, 0x7f, 0x50, 0xff}, // rgb(255, 127, 80)
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"cornflowerblue": {0x64, 0x95, 0xed, 0xff}, // rgb(100, 149, 237)
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"cornsilk": {0xff, 0xf8, 0xdc, 0xff}, // rgb(255, 248, 220)
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"crimson": {0xdc, 0x14, 0x3c, 0xff}, // rgb(220, 20, 60)
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"cyan": {0x00, 0xff, 0xff, 0xff}, // rgb(0, 255, 255)
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"darkblue": {0x00, 0x00, 0x8b, 0xff}, // rgb(0, 0, 139)
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"darkcyan": {0x00, 0x8b, 0x8b, 0xff}, // rgb(0, 139, 139)
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"darkgoldenrod": {0xb8, 0x86, 0x0b, 0xff}, // rgb(184, 134, 11)
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"darkgray": {0xa9, 0xa9, 0xa9, 0xff}, // rgb(169, 169, 169)
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"darkgreen": {0x00, 0x64, 0x00, 0xff}, // rgb(0, 100, 0)
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"darkgrey": {0xa9, 0xa9, 0xa9, 0xff}, // rgb(169, 169, 169)
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"darkkhaki": {0xbd, 0xb7, 0x6b, 0xff}, // rgb(189, 183, 107)
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"darkmagenta": {0x8b, 0x00, 0x8b, 0xff}, // rgb(139, 0, 139)
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"darkolivegreen": {0x55, 0x6b, 0x2f, 0xff}, // rgb(85, 107, 47)
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"darkorange": {0xff, 0x8c, 0x00, 0xff}, // rgb(255, 140, 0)
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"darkorchid": {0x99, 0x32, 0xcc, 0xff}, // rgb(153, 50, 204)
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"darkred": {0x8b, 0x00, 0x00, 0xff}, // rgb(139, 0, 0)
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"darksalmon": {0xe9, 0x96, 0x7a, 0xff}, // rgb(233, 150, 122)
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"darkseagreen": {0x8f, 0xbc, 0x8f, 0xff}, // rgb(143, 188, 143)
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"darkslateblue": {0x48, 0x3d, 0x8b, 0xff}, // rgb(72, 61, 139)
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"darkslategray": {0x2f, 0x4f, 0x4f, 0xff}, // rgb(47, 79, 79)
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"darkslategrey": {0x2f, 0x4f, 0x4f, 0xff}, // rgb(47, 79, 79)
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"darkturquoise": {0x00, 0xce, 0xd1, 0xff}, // rgb(0, 206, 209)
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"darkviolet": {0x94, 0x00, 0xd3, 0xff}, // rgb(148, 0, 211)
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"deeppink": {0xff, 0x14, 0x93, 0xff}, // rgb(255, 20, 147)
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"deepskyblue": {0x00, 0xbf, 0xff, 0xff}, // rgb(0, 191, 255)
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"dimgray": {0x69, 0x69, 0x69, 0xff}, // rgb(105, 105, 105)
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"dimgrey": {0x69, 0x69, 0x69, 0xff}, // rgb(105, 105, 105)
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"dodgerblue": {0x1e, 0x90, 0xff, 0xff}, // rgb(30, 144, 255)
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"firebrick": {0xb2, 0x22, 0x22, 0xff}, // rgb(178, 34, 34)
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"floralwhite": {0xff, 0xfa, 0xf0, 0xff}, // rgb(255, 250, 240)
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"forestgreen": {0x22, 0x8b, 0x22, 0xff}, // rgb(34, 139, 34)
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"fuchsia": {0xff, 0x00, 0xff, 0xff}, // rgb(255, 0, 255)
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"gainsboro": {0xdc, 0xdc, 0xdc, 0xff}, // rgb(220, 220, 220)
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"ghostwhite": {0xf8, 0xf8, 0xff, 0xff}, // rgb(248, 248, 255)
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"gold": {0xff, 0xd7, 0x00, 0xff}, // rgb(255, 215, 0)
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"goldenrod": {0xda, 0xa5, 0x20, 0xff}, // rgb(218, 165, 32)
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"gray": {0x80, 0x80, 0x80, 0xff}, // rgb(128, 128, 128)
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"green": {0x00, 0x80, 0x00, 0xff}, // rgb(0, 128, 0)
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"greenyellow": {0xad, 0xff, 0x2f, 0xff}, // rgb(173, 255, 47)
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"grey": {0x80, 0x80, 0x80, 0xff}, // rgb(128, 128, 128)
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"honeydew": {0xf0, 0xff, 0xf0, 0xff}, // rgb(240, 255, 240)
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"hotpink": {0xff, 0x69, 0xb4, 0xff}, // rgb(255, 105, 180)
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"indianred": {0xcd, 0x5c, 0x5c, 0xff}, // rgb(205, 92, 92)
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"indigo": {0x4b, 0x00, 0x82, 0xff}, // rgb(75, 0, 130)
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"ivory": {0xff, 0xff, 0xf0, 0xff}, // rgb(255, 255, 240)
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"khaki": {0xf0, 0xe6, 0x8c, 0xff}, // rgb(240, 230, 140)
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"lavender": {0xe6, 0xe6, 0xfa, 0xff}, // rgb(230, 230, 250)
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"lavenderblush": {0xff, 0xf0, 0xf5, 0xff}, // rgb(255, 240, 245)
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"lawngreen": {0x7c, 0xfc, 0x00, 0xff}, // rgb(124, 252, 0)
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"lemonchiffon": {0xff, 0xfa, 0xcd, 0xff}, // rgb(255, 250, 205)
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"lightblue": {0xad, 0xd8, 0xe6, 0xff}, // rgb(173, 216, 230)
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"lightcoral": {0xf0, 0x80, 0x80, 0xff}, // rgb(240, 128, 128)
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"lightcyan": {0xe0, 0xff, 0xff, 0xff}, // rgb(224, 255, 255)
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"lightgoldenrodyellow": {0xfa, 0xfa, 0xd2, 0xff}, // rgb(250, 250, 210)
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"lightgray": {0xd3, 0xd3, 0xd3, 0xff}, // rgb(211, 211, 211)
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"lightgreen": {0x90, 0xee, 0x90, 0xff}, // rgb(144, 238, 144)
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"lightgrey": {0xd3, 0xd3, 0xd3, 0xff}, // rgb(211, 211, 211)
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"lightpink": {0xff, 0xb6, 0xc1, 0xff}, // rgb(255, 182, 193)
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"lightsalmon": {0xff, 0xa0, 0x7a, 0xff}, // rgb(255, 160, 122)
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"lightseagreen": {0x20, 0xb2, 0xaa, 0xff}, // rgb(32, 178, 170)
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"lightskyblue": {0x87, 0xce, 0xfa, 0xff}, // rgb(135, 206, 250)
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"lightslategray": {0x77, 0x88, 0x99, 0xff}, // rgb(119, 136, 153)
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"lightslategrey": {0x77, 0x88, 0x99, 0xff}, // rgb(119, 136, 153)
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"lightsteelblue": {0xb0, 0xc4, 0xde, 0xff}, // rgb(176, 196, 222)
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"lightyellow": {0xff, 0xff, 0xe0, 0xff}, // rgb(255, 255, 224)
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"lime": {0x00, 0xff, 0x00, 0xff}, // rgb(0, 255, 0)
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"limegreen": {0x32, 0xcd, 0x32, 0xff}, // rgb(50, 205, 50)
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"linen": {0xfa, 0xf0, 0xe6, 0xff}, // rgb(250, 240, 230)
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"magenta": {0xff, 0x00, 0xff, 0xff}, // rgb(255, 0, 255)
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"maroon": {0x80, 0x00, 0x00, 0xff}, // rgb(128, 0, 0)
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"mediumaquamarine": {0x66, 0xcd, 0xaa, 0xff}, // rgb(102, 205, 170)
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"mediumblue": {0x00, 0x00, 0xcd, 0xff}, // rgb(0, 0, 205)
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"mediumorchid": {0xba, 0x55, 0xd3, 0xff}, // rgb(186, 85, 211)
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"mediumpurple": {0x93, 0x70, 0xdb, 0xff}, // rgb(147, 112, 219)
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"mediumseagreen": {0x3c, 0xb3, 0x71, 0xff}, // rgb(60, 179, 113)
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"mediumslateblue": {0x7b, 0x68, 0xee, 0xff}, // rgb(123, 104, 238)
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"mediumspringgreen": {0x00, 0xfa, 0x9a, 0xff}, // rgb(0, 250, 154)
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"mediumturquoise": {0x48, 0xd1, 0xcc, 0xff}, // rgb(72, 209, 204)
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"mediumvioletred": {0xc7, 0x15, 0x85, 0xff}, // rgb(199, 21, 133)
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"midnightblue": {0x19, 0x19, 0x70, 0xff}, // rgb(25, 25, 112)
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"mintcream": {0xf5, 0xff, 0xfa, 0xff}, // rgb(245, 255, 250)
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"mistyrose": {0xff, 0xe4, 0xe1, 0xff}, // rgb(255, 228, 225)
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"moccasin": {0xff, 0xe4, 0xb5, 0xff}, // rgb(255, 228, 181)
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"navajowhite": {0xff, 0xde, 0xad, 0xff}, // rgb(255, 222, 173)
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"navy": {0x00, 0x00, 0x80, 0xff}, // rgb(0, 0, 128)
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"oldlace": {0xfd, 0xf5, 0xe6, 0xff}, // rgb(253, 245, 230)
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"olive": {0x80, 0x80, 0x00, 0xff}, // rgb(128, 128, 0)
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"olivedrab": {0x6b, 0x8e, 0x23, 0xff}, // rgb(107, 142, 35)
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"orange": {0xff, 0xa5, 0x00, 0xff}, // rgb(255, 165, 0)
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"orangered": {0xff, 0x45, 0x00, 0xff}, // rgb(255, 69, 0)
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"orchid": {0xda, 0x70, 0xd6, 0xff}, // rgb(218, 112, 214)
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"palegoldenrod": {0xee, 0xe8, 0xaa, 0xff}, // rgb(238, 232, 170)
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"palegreen": {0x98, 0xfb, 0x98, 0xff}, // rgb(152, 251, 152)
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"paleturquoise": {0xaf, 0xee, 0xee, 0xff}, // rgb(175, 238, 238)
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"palevioletred": {0xdb, 0x70, 0x93, 0xff}, // rgb(219, 112, 147)
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"papayawhip": {0xff, 0xef, 0xd5, 0xff}, // rgb(255, 239, 213)
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"peachpuff": {0xff, 0xda, 0xb9, 0xff}, // rgb(255, 218, 185)
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"peru": {0xcd, 0x85, 0x3f, 0xff}, // rgb(205, 133, 63)
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"pink": {0xff, 0xc0, 0xcb, 0xff}, // rgb(255, 192, 203)
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"plum": {0xdd, 0xa0, 0xdd, 0xff}, // rgb(221, 160, 221)
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"powderblue": {0xb0, 0xe0, 0xe6, 0xff}, // rgb(176, 224, 230)
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"purple": {0x80, 0x00, 0x80, 0xff}, // rgb(128, 0, 128)
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"red": {0xff, 0x00, 0x00, 0xff}, // rgb(255, 0, 0)
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"rosybrown": {0xbc, 0x8f, 0x8f, 0xff}, // rgb(188, 143, 143)
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"royalblue": {0x41, 0x69, 0xe1, 0xff}, // rgb(65, 105, 225)
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"saddlebrown": {0x8b, 0x45, 0x13, 0xff}, // rgb(139, 69, 19)
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"salmon": {0xfa, 0x80, 0x72, 0xff}, // rgb(250, 128, 114)
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"sandybrown": {0xf4, 0xa4, 0x60, 0xff}, // rgb(244, 164, 96)
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"seagreen": {0x2e, 0x8b, 0x57, 0xff}, // rgb(46, 139, 87)
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"seashell": {0xff, 0xf5, 0xee, 0xff}, // rgb(255, 245, 238)
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"sienna": {0xa0, 0x52, 0x2d, 0xff}, // rgb(160, 82, 45)
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"silver": {0xc0, 0xc0, 0xc0, 0xff}, // rgb(192, 192, 192)
|
||||
"skyblue": {0x87, 0xce, 0xeb, 0xff}, // rgb(135, 206, 235)
|
||||
"slateblue": {0x6a, 0x5a, 0xcd, 0xff}, // rgb(106, 90, 205)
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"slategray": {0x70, 0x80, 0x90, 0xff}, // rgb(112, 128, 144)
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"slategrey": {0x70, 0x80, 0x90, 0xff}, // rgb(112, 128, 144)
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"snow": {0xff, 0xfa, 0xfa, 0xff}, // rgb(255, 250, 250)
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"springgreen": {0x00, 0xff, 0x7f, 0xff}, // rgb(0, 255, 127)
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"steelblue": {0x46, 0x82, 0xb4, 0xff}, // rgb(70, 130, 180)
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"tan": {0xd2, 0xb4, 0x8c, 0xff}, // rgb(210, 180, 140)
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"teal": {0x00, 0x80, 0x80, 0xff}, // rgb(0, 128, 128)
|
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"thistle": {0xd8, 0xbf, 0xd8, 0xff}, // rgb(216, 191, 216)
|
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"tomato": {0xff, 0x63, 0x47, 0xff}, // rgb(255, 99, 71)
|
||||
"turquoise": {0x40, 0xe0, 0xd0, 0xff}, // rgb(64, 224, 208)
|
||||
"violet": {0xee, 0x82, 0xee, 0xff}, // rgb(238, 130, 238)
|
||||
"wheat": {0xf5, 0xde, 0xb3, 0xff}, // rgb(245, 222, 179)
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||||
"white": {0xff, 0xff, 0xff, 0xff}, // rgb(255, 255, 255)
|
||||
"whitesmoke": {0xf5, 0xf5, 0xf5, 0xff}, // rgb(245, 245, 245)
|
||||
"yellow": {0xff, 0xff, 0x00, 0xff}, // rgb(255, 255, 0)
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||||
"yellowgreen": {0x9a, 0xcd, 0x32, 0xff}, // rgb(154, 205, 50)
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||||
}
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||||
312
ui/messages/html/entity.go
Normal file
312
ui/messages/html/entity.go
Normal file
@ -0,0 +1,312 @@
|
||||
// gomuks - A terminal Matrix client written in Go.
|
||||
// Copyright (C) 2019 Tulir Asokan
|
||||
//
|
||||
// This program is free software: you can redistribute it and/or modify
|
||||
// it under the terms of the GNU Affero General Public License as published by
|
||||
// the Free Software Foundation, either version 3 of the License, or
|
||||
// (at your option) any later version.
|
||||
//
|
||||
// This program is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU Affero General Public License for more details.
|
||||
//
|
||||
// You should have received a copy of the GNU Affero General Public License
|
||||
// along with this program. If not, see <https://www.gnu.org/licenses/>.
|
||||
|
||||
package html
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"regexp"
|
||||
"strings"
|
||||
|
||||
"github.com/mattn/go-runewidth"
|
||||
|
||||
"maunium.net/go/gomuks/ui/widget"
|
||||
"maunium.net/go/mauview"
|
||||
"maunium.net/go/tcell"
|
||||
)
|
||||
|
||||
// AdjustStyleFunc is a lambda function type to edit an existing tcell Style.
|
||||
type AdjustStyleFunc func(tcell.Style) tcell.Style
|
||||
|
||||
type Entity interface {
|
||||
// AdjustStyle recursively changes the style of the entity and all its children.
|
||||
AdjustStyle(AdjustStyleFunc) Entity
|
||||
// Draw draws the entity onto the given mauview Screen.
|
||||
Draw(screen mauview.Screen)
|
||||
// IsBlock returns whether or not it's a block-type entity.
|
||||
IsBlock() bool
|
||||
// GetTag returns the HTML tag of the entity.
|
||||
GetTag() string
|
||||
// PlainText returns the plaintext content in the entity and all its children.
|
||||
PlainText() string
|
||||
// String returns a string representation of the entity struct.
|
||||
String() string
|
||||
// Clone creates a deep copy of the entity.
|
||||
Clone() Entity
|
||||
|
||||
// Height returns the render height of the entity.
|
||||
Height() int
|
||||
// CalculateBuffer prepares the entity and all its children for rendering with the given parameters
|
||||
CalculateBuffer(width, startX int, bare bool) int
|
||||
|
||||
getStartX() int
|
||||
}
|
||||
|
||||
type BaseEntity struct {
|
||||
// The HTML tag of this entity.
|
||||
Tag string
|
||||
// Text in this entity.
|
||||
Text string
|
||||
// Style for this entity.
|
||||
Style tcell.Style
|
||||
// Child entities.
|
||||
Children []Entity
|
||||
// Whether or not this is a block-type entity.
|
||||
Block bool
|
||||
// Number of cells to indent children.
|
||||
Indent int
|
||||
|
||||
// Height to use for entity if both text and children are empty.
|
||||
DefaultHeight int
|
||||
|
||||
buffer []string
|
||||
prevWidth int
|
||||
startX int
|
||||
height int
|
||||
}
|
||||
|
||||
// NewTextEntity creates a new text-only Entity.
|
||||
func NewTextEntity(text string) *BaseEntity {
|
||||
return &BaseEntity{
|
||||
Tag: "text",
|
||||
Text: text,
|
||||
}
|
||||
}
|
||||
|
||||
// AdjustStyle recursively changes the style of this entity and all its children.
|
||||
func (he *BaseEntity) AdjustStyle(fn AdjustStyleFunc) Entity {
|
||||
for _, child := range he.Children {
|
||||
child.AdjustStyle(fn)
|
||||
}
|
||||
he.Style = fn(he.Style)
|
||||
return he
|
||||
}
|
||||
|
||||
// IsBlock returns whether or not this is a block-type entity.
|
||||
func (he *BaseEntity) IsBlock() bool {
|
||||
return he.Block
|
||||
}
|
||||
|
||||
// GetTag returns the HTML tag of this entity.
|
||||
func (he *BaseEntity) GetTag() string {
|
||||
return he.Tag
|
||||
}
|
||||
|
||||
// Height returns the render height of this entity.
|
||||
func (he *BaseEntity) Height() int {
|
||||
return he.height
|
||||
}
|
||||
|
||||
func (he *BaseEntity) getStartX() int {
|
||||
return he.startX
|
||||
}
|
||||
|
||||
// Clone creates a deep copy of this entity.
|
||||
func (he *BaseEntity) Clone() Entity {
|
||||
children := make([]Entity, len(he.Children))
|
||||
for i, child := range he.Children {
|
||||
children[i] = child.Clone()
|
||||
}
|
||||
return &BaseEntity{
|
||||
Tag: he.Tag,
|
||||
Text: he.Text,
|
||||
Style: he.Style,
|
||||
Children: children,
|
||||
Block: he.Block,
|
||||
Indent: he.Indent,
|
||||
DefaultHeight: he.DefaultHeight,
|
||||
}
|
||||
}
|
||||
|
||||
// String returns a textual representation of this BaseEntity struct.
|
||||
func (he *BaseEntity) String() string {
|
||||
var buf strings.Builder
|
||||
buf.WriteString("&html.BaseEntity{\n")
|
||||
_, _ = fmt.Fprintf(&buf, ` Tag="%s", Style=%d, Block=%t, Indent=%d, startX=%d, height=%d,`,
|
||||
he.Tag, he.Style, he.Block, he.Indent, he.startX, he.height)
|
||||
buf.WriteRune('\n')
|
||||
_, _ = fmt.Fprintf(&buf, ` Buffer=["%s"]`, strings.Join(he.buffer, "\", \""))
|
||||
if len(he.Text) > 0 {
|
||||
buf.WriteString(",\n")
|
||||
_, _ = fmt.Fprintf(&buf, ` Text="%s"`, he.Text)
|
||||
}
|
||||
if len(he.Children) > 0 {
|
||||
buf.WriteString(",\n")
|
||||
buf.WriteString(" Children={")
|
||||
for _, child := range he.Children {
|
||||
buf.WriteString("\n ")
|
||||
buf.WriteString(strings.Join(strings.Split(strings.TrimRight(child.String(), "\n"), "\n"), "\n "))
|
||||
}
|
||||
buf.WriteString("\n },")
|
||||
}
|
||||
buf.WriteString("\n},\n")
|
||||
return buf.String()
|
||||
}
|
||||
|
||||
// PlainText returns the plaintext content in this entity and all its children.
|
||||
func (he *BaseEntity) PlainText() string {
|
||||
if len(he.Children) == 0 {
|
||||
return he.Text
|
||||
}
|
||||
var buf strings.Builder
|
||||
buf.WriteString(he.Text)
|
||||
newlined := false
|
||||
for _, child := range he.Children {
|
||||
if child.IsBlock() && !newlined {
|
||||
buf.WriteRune('\n')
|
||||
}
|
||||
newlined = false
|
||||
buf.WriteString(child.PlainText())
|
||||
if child.IsBlock() {
|
||||
buf.WriteRune('\n')
|
||||
newlined = true
|
||||
}
|
||||
}
|
||||
return buf.String()
|
||||
}
|
||||
|
||||
// Draw draws this entity onto the given mauview Screen.
|
||||
func (he *BaseEntity) Draw(screen mauview.Screen) {
|
||||
width, _ := screen.Size()
|
||||
if len(he.buffer) > 0 {
|
||||
x := he.startX
|
||||
for y, line := range he.buffer {
|
||||
widget.WriteLine(screen, mauview.AlignLeft, line, x, y, width, he.Style)
|
||||
x = 0
|
||||
}
|
||||
}
|
||||
if len(he.Children) > 0 {
|
||||
prevBreak := false
|
||||
proxyScreen := &mauview.ProxyScreen{Parent: screen, OffsetX: he.Indent, Width: width - he.Indent, Style: he.Style}
|
||||
for i, entity := range he.Children {
|
||||
if i != 0 && entity.getStartX() == 0 {
|
||||
proxyScreen.OffsetY++
|
||||
}
|
||||
proxyScreen.Height = entity.Height()
|
||||
entity.Draw(proxyScreen)
|
||||
proxyScreen.SetStyle(he.Style)
|
||||
proxyScreen.OffsetY += entity.Height() - 1
|
||||
_, isBreak := entity.(*BreakEntity)
|
||||
if prevBreak && isBreak {
|
||||
proxyScreen.OffsetY++
|
||||
}
|
||||
prevBreak = isBreak
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// CalculateBuffer prepares this entity and all its children for rendering with the given parameters
|
||||
func (he *BaseEntity) CalculateBuffer(width, startX int, bare bool) int {
|
||||
he.startX = startX
|
||||
if he.Block {
|
||||
he.startX = 0
|
||||
}
|
||||
he.height = 0
|
||||
if len(he.Children) > 0 {
|
||||
childStartX := he.startX
|
||||
prevBreak := false
|
||||
for _, entity := range he.Children {
|
||||
if entity.IsBlock() || childStartX == 0 || he.height == 0 {
|
||||
he.height++
|
||||
}
|
||||
childStartX = entity.CalculateBuffer(width-he.Indent, childStartX, bare)
|
||||
he.height += entity.Height() - 1
|
||||
_, isBreak := entity.(*BreakEntity)
|
||||
if prevBreak && isBreak {
|
||||
he.height++
|
||||
}
|
||||
prevBreak = isBreak
|
||||
}
|
||||
if len(he.Text) == 0 && !he.Block {
|
||||
return childStartX
|
||||
}
|
||||
}
|
||||
if len(he.Text) > 0 {
|
||||
he.prevWidth = width
|
||||
if he.buffer == nil {
|
||||
he.buffer = []string{}
|
||||
}
|
||||
bufPtr := 0
|
||||
text := he.Text
|
||||
textStartX := he.startX
|
||||
for {
|
||||
// TODO add option no wrap and character wrap options
|
||||
extract := runewidth.Truncate(text, width-textStartX, "")
|
||||
extract, wordWrapped := trim(extract, text, bare)
|
||||
if !wordWrapped && textStartX > 0 {
|
||||
if bufPtr < len(he.buffer) {
|
||||
he.buffer[bufPtr] = ""
|
||||
} else {
|
||||
he.buffer = append(he.buffer, "")
|
||||
}
|
||||
bufPtr++
|
||||
textStartX = 0
|
||||
continue
|
||||
}
|
||||
if bufPtr < len(he.buffer) {
|
||||
he.buffer[bufPtr] = extract
|
||||
} else {
|
||||
he.buffer = append(he.buffer, extract)
|
||||
}
|
||||
bufPtr++
|
||||
text = text[len(extract):]
|
||||
if len(text) == 0 {
|
||||
he.buffer = he.buffer[:bufPtr]
|
||||
he.height += len(he.buffer)
|
||||
// This entity is over, return the startX for the next entity
|
||||
if he.Block {
|
||||
// ...except if it's a block entity
|
||||
return 0
|
||||
}
|
||||
return textStartX + runewidth.StringWidth(extract)
|
||||
}
|
||||
textStartX = 0
|
||||
}
|
||||
}
|
||||
if len(he.Text) == 0 && len(he.Children) == 0 {
|
||||
he.height = he.DefaultHeight
|
||||
}
|
||||
return he.startX
|
||||
}
|
||||
|
||||
var (
|
||||
boundaryPattern = regexp.MustCompile(`([[:punct:]]\s*|\s+)`)
|
||||
bareBoundaryPattern = regexp.MustCompile(`(\s+)`)
|
||||
spacePattern = regexp.MustCompile(`\s+`)
|
||||
)
|
||||
|
||||
func trim(extract, full string, bare bool) (string, bool) {
|
||||
if len(extract) == len(full) {
|
||||
return extract, true
|
||||
}
|
||||
if spaces := spacePattern.FindStringIndex(full[len(extract):]); spaces != nil && spaces[0] == 0 {
|
||||
extract = full[:len(extract)+spaces[1]]
|
||||
}
|
||||
regex := boundaryPattern
|
||||
if bare {
|
||||
regex = bareBoundaryPattern
|
||||
}
|
||||
matches := regex.FindAllStringIndex(extract, -1)
|
||||
if len(matches) > 0 {
|
||||
if match := matches[len(matches)-1]; len(match) >= 2 {
|
||||
if until := match[1]; until < len(extract) {
|
||||
extract = extract[:until]
|
||||
return extract, true
|
||||
}
|
||||
}
|
||||
}
|
||||
return extract, len(extract) > 0 && extract[len(extract)-1] == ' '
|
||||
}
|
||||
80
ui/messages/html/list.go
Normal file
80
ui/messages/html/list.go
Normal file
@ -0,0 +1,80 @@
|
||||
// gomuks - A terminal Matrix client written in Go.
|
||||
// Copyright (C) 2019 Tulir Asokan
|
||||
//
|
||||
// This program is free software: you can redistribute it and/or modify
|
||||
// it under the terms of the GNU Affero General Public License as published by
|
||||
// the Free Software Foundation, either version 3 of the License, or
|
||||
// (at your option) any later version.
|
||||
//
|
||||
// This program is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU Affero General Public License for more details.
|
||||
//
|
||||
// You should have received a copy of the GNU Affero General Public License
|
||||
// along with this program. If not, see <https://www.gnu.org/licenses/>.
|
||||
|
||||
package html
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"math"
|
||||
"strings"
|
||||
|
||||
"maunium.net/go/gomuks/ui/widget"
|
||||
"maunium.net/go/mauview"
|
||||
)
|
||||
|
||||
type ListEntity struct {
|
||||
*BaseEntity
|
||||
Ordered bool
|
||||
Start int
|
||||
}
|
||||
|
||||
func digits(num int) int {
|
||||
if num <= 0 {
|
||||
return 0
|
||||
}
|
||||
return int(math.Floor(math.Log10(float64(num))) + 1)
|
||||
}
|
||||
|
||||
func NewListEntity(ordered bool, start int, children []Entity) *ListEntity {
|
||||
entity := &ListEntity{
|
||||
BaseEntity: &BaseEntity{
|
||||
Tag: "ul",
|
||||
Children: children,
|
||||
Block: true,
|
||||
Indent: 2,
|
||||
},
|
||||
Ordered: ordered,
|
||||
Start: start,
|
||||
}
|
||||
if ordered {
|
||||
entity.Tag = "ol"
|
||||
entity.Indent += digits(start + len(children) - 1)
|
||||
}
|
||||
return entity
|
||||
}
|
||||
|
||||
func (le *ListEntity) Draw(screen mauview.Screen) {
|
||||
width, _ := screen.Size()
|
||||
|
||||
proxyScreen := &mauview.ProxyScreen{Parent: screen, OffsetX: le.Indent, Width: width - le.Indent, Style: le.Style}
|
||||
for i, entity := range le.Children {
|
||||
proxyScreen.Height = entity.Height()
|
||||
if le.Ordered {
|
||||
number := le.Start + i
|
||||
line := fmt.Sprintf("%d. %s", number, strings.Repeat(" ", le.Indent-2-digits(number)))
|
||||
widget.WriteLine(screen, mauview.AlignLeft, line, 0, proxyScreen.OffsetY, le.Indent, le.Style)
|
||||
} else {
|
||||
screen.SetContent(0, proxyScreen.OffsetY, '●', nil, le.Style)
|
||||
}
|
||||
entity.Draw(proxyScreen)
|
||||
proxyScreen.SetStyle(le.Style)
|
||||
proxyScreen.OffsetY += entity.Height()
|
||||
}
|
||||
}
|
||||
|
||||
func (le *ListEntity) String() string {
|
||||
return fmt.Sprintf("&html.ListEntity{Ordered=%t, Start=%d, Base=%s},\n", le.Ordered, le.Start, le.BaseEntity)
|
||||
}
|
||||
380
ui/messages/html/parser.go
Normal file
380
ui/messages/html/parser.go
Normal file
@ -0,0 +1,380 @@
|
||||
// gomuks - A terminal Matrix client written in Go.
|
||||
// Copyright (C) 2019 Tulir Asokan
|
||||
//
|
||||
// This program is free software: you can redistribute it and/or modify
|
||||
// it under the terms of the GNU Affero General Public License as published by
|
||||
// the Free Software Foundation, either version 3 of the License, or
|
||||
// (at your option) any later version.
|
||||
//
|
||||
// This program is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU Affero General Public License for more details.
|
||||
//
|
||||
// You should have received a copy of the GNU Affero General Public License
|
||||
// along with this program. If not, see <https://www.gnu.org/licenses/>.
|
||||
|
||||
package html
|
||||
|
||||
import (
|
||||
"regexp"
|
||||
"strconv"
|
||||
"strings"
|
||||
|
||||
"github.com/alecthomas/chroma"
|
||||
"github.com/alecthomas/chroma/lexers"
|
||||
"github.com/alecthomas/chroma/styles"
|
||||
"github.com/lucasb-eyer/go-colorful"
|
||||
"golang.org/x/net/html"
|
||||
|
||||
"maunium.net/go/mautrix"
|
||||
"maunium.net/go/tcell"
|
||||
|
||||
"maunium.net/go/gomuks/matrix/rooms"
|
||||
"maunium.net/go/gomuks/ui/widget"
|
||||
)
|
||||
|
||||
var matrixToURL = regexp.MustCompile("^(?:https?://)?(?:www\\.)?matrix\\.to/#/([#@!].*)")
|
||||
|
||||
type htmlParser struct {
|
||||
room *rooms.Room
|
||||
|
||||
keepLinebreak bool
|
||||
}
|
||||
|
||||
func AdjustStyleBold(style tcell.Style) tcell.Style {
|
||||
return style.Bold(true)
|
||||
}
|
||||
|
||||
func AdjustStyleItalic(style tcell.Style) tcell.Style {
|
||||
return style.Italic(true)
|
||||
}
|
||||
|
||||
func AdjustStyleUnderline(style tcell.Style) tcell.Style {
|
||||
return style.Underline(true)
|
||||
}
|
||||
|
||||
func AdjustStyleStrikethrough(style tcell.Style) tcell.Style {
|
||||
return style.Strikethrough(true)
|
||||
}
|
||||
|
||||
func AdjustStyleTextColor(color tcell.Color) func(tcell.Style) tcell.Style {
|
||||
return func(style tcell.Style) tcell.Style {
|
||||
return style.Foreground(color)
|
||||
}
|
||||
}
|
||||
|
||||
func AdjustStyleBackgroundColor(color tcell.Color) func(tcell.Style) tcell.Style {
|
||||
return func(style tcell.Style) tcell.Style {
|
||||
return style.Background(color)
|
||||
}
|
||||
}
|
||||
|
||||
func (parser *htmlParser) getAttribute(node *html.Node, attribute string) string {
|
||||
for _, attr := range node.Attr {
|
||||
if attr.Key == attribute {
|
||||
return attr.Val
|
||||
}
|
||||
}
|
||||
return ""
|
||||
}
|
||||
|
||||
func (parser *htmlParser) listToEntity(node *html.Node) Entity {
|
||||
children := parser.nodeToEntities(node.FirstChild)
|
||||
ordered := node.Data == "ol"
|
||||
start := 1
|
||||
if ordered {
|
||||
if startRaw := parser.getAttribute(node, "start"); len(startRaw) > 0 {
|
||||
var err error
|
||||
start, err = strconv.Atoi(startRaw)
|
||||
if err != nil {
|
||||
start = 1
|
||||
}
|
||||
}
|
||||
}
|
||||
listItems := children[:0]
|
||||
for _, child := range children {
|
||||
if child.GetTag() == "li" {
|
||||
listItems = append(listItems, child)
|
||||
}
|
||||
}
|
||||
return NewListEntity(ordered, start, listItems)
|
||||
}
|
||||
|
||||
func (parser *htmlParser) basicFormatToEntity(node *html.Node) Entity {
|
||||
entity := &BaseEntity{
|
||||
Tag: node.Data,
|
||||
Children: parser.nodeToEntities(node.FirstChild),
|
||||
}
|
||||
switch node.Data {
|
||||
case "b", "strong":
|
||||
entity.AdjustStyle(AdjustStyleBold)
|
||||
case "i", "em":
|
||||
entity.AdjustStyle(AdjustStyleItalic)
|
||||
case "s", "del":
|
||||
entity.AdjustStyle(AdjustStyleStrikethrough)
|
||||
case "u", "ins":
|
||||
entity.AdjustStyle(AdjustStyleUnderline)
|
||||
case "font":
|
||||
fgColor, ok := parser.parseColor(node, "data-mx-color", "color")
|
||||
if ok {
|
||||
entity.AdjustStyle(AdjustStyleTextColor(fgColor))
|
||||
}
|
||||
bgColor, ok := parser.parseColor(node, "data-mx-bg-color", "background-color")
|
||||
if ok {
|
||||
entity.AdjustStyle(AdjustStyleBackgroundColor(bgColor))
|
||||
}
|
||||
}
|
||||
return entity
|
||||
}
|
||||
|
||||
func (parser *htmlParser) parseColor(node *html.Node, mainName, altName string) (color tcell.Color, ok bool) {
|
||||
hex := parser.getAttribute(node, mainName)
|
||||
if len(hex) == 0 {
|
||||
hex = parser.getAttribute(node, altName)
|
||||
if len(hex) == 0 {
|
||||
return
|
||||
}
|
||||
}
|
||||
|
||||
cful, err := colorful.Hex(hex)
|
||||
if err != nil {
|
||||
color2, found := colorMap[strings.ToLower(hex)]
|
||||
if !found {
|
||||
return
|
||||
}
|
||||
cful, _ = colorful.MakeColor(color2)
|
||||
}
|
||||
|
||||
r, g, b := cful.RGB255()
|
||||
return tcell.NewRGBColor(int32(r), int32(g), int32(b)), true
|
||||
}
|
||||
|
||||
func (parser *htmlParser) headerToEntity(node *html.Node) Entity {
|
||||
length := int(node.Data[1] - '0')
|
||||
prefix := strings.Repeat("#", length) + " "
|
||||
return (&BaseEntity{
|
||||
Tag: node.Data,
|
||||
Text: prefix,
|
||||
Children: parser.nodeToEntities(node.FirstChild),
|
||||
}).AdjustStyle(AdjustStyleBold)
|
||||
}
|
||||
|
||||
func (parser *htmlParser) blockquoteToEntity(node *html.Node) Entity {
|
||||
return NewBlockquoteEntity(parser.nodeToEntities(node.FirstChild))
|
||||
}
|
||||
|
||||
func (parser *htmlParser) linkToEntity(node *html.Node) Entity {
|
||||
entity := &BaseEntity{
|
||||
Tag: "a",
|
||||
Children: parser.nodeToEntities(node.FirstChild),
|
||||
}
|
||||
href := parser.getAttribute(node, "href")
|
||||
if len(href) == 0 {
|
||||
return entity
|
||||
}
|
||||
match := matrixToURL.FindStringSubmatch(href)
|
||||
if len(match) == 2 {
|
||||
entity.Children = nil
|
||||
pillTarget := match[1]
|
||||
entity.Text = pillTarget
|
||||
if pillTarget[0] == '@' {
|
||||
if member := parser.room.GetMember(pillTarget); member != nil {
|
||||
entity.Text = member.Displayname
|
||||
entity.Style = entity.Style.Foreground(widget.GetHashColor(pillTarget))
|
||||
}
|
||||
}
|
||||
}
|
||||
// TODO add click action and underline on hover for links
|
||||
return entity
|
||||
}
|
||||
|
||||
func (parser *htmlParser) imageToEntity(node *html.Node) Entity {
|
||||
alt := parser.getAttribute(node, "alt")
|
||||
if len(alt) == 0 {
|
||||
alt = parser.getAttribute(node, "title")
|
||||
if len(alt) == 0 {
|
||||
alt = "[inline image]"
|
||||
}
|
||||
}
|
||||
entity := &BaseEntity{
|
||||
Tag: "img",
|
||||
Text: alt,
|
||||
}
|
||||
// TODO add click action and underline on hover for inline images
|
||||
return entity
|
||||
}
|
||||
|
||||
func colourToColor(colour chroma.Colour) tcell.Color {
|
||||
if !colour.IsSet() {
|
||||
return tcell.ColorDefault
|
||||
}
|
||||
return tcell.NewRGBColor(int32(colour.Red()), int32(colour.Green()), int32(colour.Blue()))
|
||||
}
|
||||
|
||||
func styleEntryToStyle(se chroma.StyleEntry) tcell.Style {
|
||||
return tcell.StyleDefault.
|
||||
Bold(se.Bold == chroma.Yes).
|
||||
Italic(se.Italic == chroma.Yes).
|
||||
Underline(se.Underline == chroma.Yes).
|
||||
Foreground(colourToColor(se.Colour)).
|
||||
Background(colourToColor(se.Background))
|
||||
}
|
||||
|
||||
func (parser *htmlParser) syntaxHighlight(text, language string) Entity {
|
||||
lexer := lexers.Get(strings.ToLower(language))
|
||||
if lexer == nil {
|
||||
return nil
|
||||
}
|
||||
iter, err := lexer.Tokenise(nil, text)
|
||||
if err != nil {
|
||||
return nil
|
||||
}
|
||||
// TODO allow changing theme
|
||||
style := styles.SolarizedDark
|
||||
|
||||
tokens := iter.Tokens()
|
||||
children := make([]Entity, len(tokens))
|
||||
for i, token := range tokens {
|
||||
if token.Value == "\n" {
|
||||
children[i] = &BaseEntity{Block: true, Tag: "br"}
|
||||
} else {
|
||||
children[i] = &BaseEntity{
|
||||
Tag: token.Type.String(),
|
||||
Text: token.Value,
|
||||
Style: styleEntryToStyle(style.Get(token.Type)),
|
||||
|
||||
DefaultHeight: 1,
|
||||
}
|
||||
}
|
||||
}
|
||||
return NewCodeBlockEntity(children, styleEntryToStyle(style.Get(chroma.Background)))
|
||||
}
|
||||
|
||||
func (parser *htmlParser) codeblockToEntity(node *html.Node) Entity {
|
||||
lang := "plaintext"
|
||||
// TODO allow disabling syntax highlighting
|
||||
if node.FirstChild.Type == html.ElementNode && node.FirstChild.Data == "code" {
|
||||
node = node.FirstChild
|
||||
attr := parser.getAttribute(node, "class")
|
||||
for _, class := range strings.Split(attr, " ") {
|
||||
if strings.HasPrefix(class, "language-") {
|
||||
lang = class[len("language-"):]
|
||||
break
|
||||
}
|
||||
}
|
||||
}
|
||||
parser.keepLinebreak = true
|
||||
text := (&BaseEntity{
|
||||
Children: parser.nodeToEntities(node.FirstChild),
|
||||
}).PlainText()
|
||||
parser.keepLinebreak = false
|
||||
return parser.syntaxHighlight(text, lang)
|
||||
}
|
||||
|
||||
func (parser *htmlParser) tagNodeToEntity(node *html.Node) Entity {
|
||||
switch node.Data {
|
||||
case "blockquote":
|
||||
return parser.blockquoteToEntity(node)
|
||||
case "ol", "ul":
|
||||
return parser.listToEntity(node)
|
||||
case "h1", "h2", "h3", "h4", "h5", "h6":
|
||||
return parser.headerToEntity(node)
|
||||
case "br":
|
||||
return NewBreakEntity()
|
||||
case "b", "strong", "i", "em", "s", "del", "u", "ins", "font":
|
||||
return parser.basicFormatToEntity(node)
|
||||
case "a":
|
||||
return parser.linkToEntity(node)
|
||||
case "img":
|
||||
return parser.imageToEntity(node)
|
||||
case "pre":
|
||||
return parser.codeblockToEntity(node)
|
||||
default:
|
||||
return &BaseEntity{
|
||||
Tag: node.Data,
|
||||
Children: parser.nodeToEntities(node.FirstChild),
|
||||
Block: parser.isBlockTag(node.Data),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (parser *htmlParser) singleNodeToEntity(node *html.Node) Entity {
|
||||
switch node.Type {
|
||||
case html.TextNode:
|
||||
if !parser.keepLinebreak {
|
||||
node.Data = strings.ReplaceAll(node.Data, "\n", "")
|
||||
}
|
||||
return &BaseEntity{
|
||||
Tag: "text",
|
||||
Text: node.Data,
|
||||
}
|
||||
case html.ElementNode:
|
||||
return parser.tagNodeToEntity(node)
|
||||
case html.DocumentNode:
|
||||
if node.FirstChild.Data == "html" && node.FirstChild.NextSibling == nil {
|
||||
return parser.singleNodeToEntity(node.FirstChild)
|
||||
}
|
||||
return &BaseEntity{
|
||||
Tag: "html",
|
||||
Children: parser.nodeToEntities(node.FirstChild),
|
||||
Block: true,
|
||||
}
|
||||
default:
|
||||
return nil
|
||||
}
|
||||
}
|
||||
|
||||
func (parser *htmlParser) nodeToEntities(node *html.Node) (entities []Entity) {
|
||||
for ; node != nil; node = node.NextSibling {
|
||||
if entity := parser.singleNodeToEntity(node); entity != nil {
|
||||
entities = append(entities, entity)
|
||||
}
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
var BlockTags = []string{"p", "h1", "h2", "h3", "h4", "h5", "h6", "ol", "ul", "li", "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) Parse(htmlData string) Entity {
|
||||
node, _ := html.Parse(strings.NewReader(htmlData))
|
||||
return parser.singleNodeToEntity(node)
|
||||
}
|
||||
|
||||
const TabLength = 4
|
||||
|
||||
// Parse parses a HTML-formatted Matrix event into a UIMessage.
|
||||
func Parse(room *rooms.Room, evt *mautrix.Event, senderDisplayname string) Entity {
|
||||
htmlData := evt.Content.FormattedBody
|
||||
if evt.Content.Format != mautrix.FormatHTML {
|
||||
htmlData = strings.ReplaceAll(html.EscapeString(evt.Content.Body), "\n", "<br/>")
|
||||
}
|
||||
htmlData = strings.Replace(htmlData, "\t", strings.Repeat(" ", TabLength), -1)
|
||||
|
||||
parser := htmlParser{room: room}
|
||||
root := parser.Parse(htmlData)
|
||||
root.(*BaseEntity).Block = false
|
||||
|
||||
if evt.Content.MsgType == mautrix.MsgEmote {
|
||||
root = &BaseEntity{
|
||||
Tag: "emote",
|
||||
Children: []Entity{
|
||||
NewTextEntity("* "),
|
||||
NewTextEntity(senderDisplayname).AdjustStyle(AdjustStyleTextColor(widget.GetHashColor(evt.Sender))),
|
||||
NewTextEntity(" "),
|
||||
root,
|
||||
},
|
||||
}
|
||||
}
|
||||
|
||||
return root
|
||||
}
|
||||
Reference in New Issue
Block a user