html

Documentation

Overview

Package html contains HTML styling options.

Index

• func Bytes(b []byte) styling.StyledTextOption
• func Format(format string, args ...interface{}) styling.StyledTextOption
• func Reader(r io.Reader) styling.StyledTextOption
• func String(s string) styling.StyledTextOption

Examples

• String

Functions

func Bytes

func Bytes(b []byte) styling.StyledTextOption

Bytes reads HTML from given byte slice and returns styling option to build styled text block.

func Format

func Format(format string, args ...interface{}) styling.StyledTextOption

Format formats string using fmt, parses HTML from formatted string and returns styling option to build styled text block.

func Reader

func Reader(r io.Reader) styling.StyledTextOption

Reader reads HTML from given reader and returns styling option to build styled text block.

func String

func String(s string) styling.StyledTextOption

String reads HTML from given string and returns styling option to build styled text block.

Example

package main

import (
	"context"
	"fmt"
	"os"
	"os/signal"

	"github.com/gotd/td/telegram"
	"github.com/gotd/td/telegram/message"
	"github.com/gotd/td/telegram/message/html"
	"github.com/gotd/td/tg"
)

func sendHTML(ctx context.Context) error {
	client, err := telegram.ClientFromEnvironment(telegram.Options{})
	if err != nil {
		return err
	}

	// This example creates a styled message from BotAPI examples
	// and sends to your Saved Messages folder.
	// See https://core.telegram.org/bots/api#html-style.
	return client.Run(ctx, func(ctx context.Context) error {
		_, err := message.NewSender(tg.NewClient(client)).
			Self().StyledText(ctx, html.String(`<b>bold</b>, <strong>bold</strong>
<i>italic</i>, <em>italic</em>
<u>underline</u>, <ins>underline</ins>
<s>strikethrough</s>, <strike>strikethrough</strike>, <del>strikethrough</del>
<b>bold <i>italic bold <s>italic bold strikethrough</s> <u>underline italic bold</u></i> bold</b>
<a href="http://www.example.com/">inline URL</a>
<a href="tg://user?id=123456789">inline mention of a user</a>
<code>inline fixed-width code</code>
<pre>pre-formatted fixed-width code block</pre>
<pre><code class="language-python">pre-formatted fixed-width code block written in the Python programming language</code></pre>`))
		return err
	})
}

func main() {
	ctx, cancel := signal.NotifyContext(context.Background(), os.Interrupt)
	defer cancel()

	if err := sendHTML(ctx); err != nil {
		_, _ = fmt.Fprintf(os.Stderr, "%+v\n", err)
		os.Exit(2)
	}
}