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/*
* Copyright 2015 Austin Keener, Michael Ritter, Florian Spieß, and the JDA contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.dv8tion.jda.api.utils;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
/**
* Utility class to escape markdown characters.
*/
public final class MarkdownUtil
{
private MarkdownUtil() {}
/**
* Escapes already existing bold regions in the input
* and applies bold formatting to the entire string.
*
The resulting string will be {@code "**" + escaped(input) + "**"}.
*
* @param input
* The input to bold
*
* @return The resulting output
*/
@Nonnull
public static String bold(@Nonnull String input)
{
String sanitized = MarkdownSanitizer.escape(input, ~MarkdownSanitizer.BOLD);
return "**" + sanitized + "**";
}
/**
* Escapes already existing italics (with underscore) regions in the input
* and applies italics formatting to the entire string.
*
The resulting string will be {@code "_" + escaped(input) + "_"}.
*
* @param input
* The input to italics
*
* @return The resulting output
*/
@Nonnull
public static String italics(@Nonnull String input)
{
String sanitized = MarkdownSanitizer.escape(input, ~MarkdownSanitizer.ITALICS_U);
return "_" + sanitized + "_";
}
/**
* Escapes already existing underline regions in the input
* and applies underline formatting to the entire string.
*
The resulting string will be {@code "__" + escaped(input) + "__"}.
*
* @param input
* The input to underline
*
* @return The resulting output
*/
@Nonnull
public static String underline(@Nonnull String input)
{
String sanitized = MarkdownSanitizer.escape(input, ~MarkdownSanitizer.UNDERLINE);
return "__" + sanitized + "__";
}
/**
* Escapes already existing monospace (single backtick) regions in the input
* and applies monospace formatting to the entire string.
*
The resulting string will be {@code "`" + escaped(input) + "`"}.
*
* @param input
* The input to monospace
*
* @return The resulting output
*/
@Nonnull
public static String monospace(@Nonnull String input)
{
String sanitized = MarkdownSanitizer.escape(input, ~MarkdownSanitizer.MONO);
return "`" + sanitized + "`";
}
/**
* Escapes already existing codeblock regions in the input
* and applies codeblock formatting to the entire string.
*
The resulting string will be {@code "```" + escaped(input) + "```"}.
*
* @param input
* The input to codeblock
*
* @return The resulting output
*/
@Nonnull
public static String codeblock(@Nonnull String input)
{
return codeblock(null, input);
}
/**
* Escapes already existing codeblock regions in the input
* and applies codeblock formatting to the entire string.
*
The resulting string will be {@code "```" + language + "\n" + escaped(input) + "```"}.
*
* @param language
* The language to use for syntax highlighting (null to use no language)
* @param input
* The input to codeblock
*
* @return The resulting output
*/
@Nonnull
public static String codeblock(@Nullable String language, @Nonnull String input)
{
String sanitized = MarkdownSanitizer.escape(input, ~MarkdownSanitizer.BLOCK);
if (language != null)
return "```" + language.trim() + "\n" + sanitized + "```";
return "```" + sanitized + "```";
}
/**
* Escapes already existing spoiler regions in the input
* and applies spoiler formatting to the entire string.
*
The resulting string will be {@code "||" + escaped(input) + "||"}.
*
* @param input
* The input to spoiler
*
* @return The resulting output
*/
@Nonnull
public static String spoiler(@Nonnull String input)
{
String sanitized = MarkdownSanitizer.escape(input, ~MarkdownSanitizer.SPOILER);
return "||" + sanitized + "||";
}
/**
* Escapes already existing strike regions in the input
* and applies strike formatting to the entire string.
*
The resulting string will be {@code "~~" + escaped(input) + "~~"}.
*
* @param input
* The input to strike
*
* @return The resulting output
*/
@Nonnull
public static String strike(@Nonnull String input)
{
String sanitized = MarkdownSanitizer.escape(input, ~MarkdownSanitizer.STRIKE);
return "~~" + sanitized + "~~";
}
/**
* Escapes already existing quote regions in the input
* and applies quote formatting to the entire string.
*
The resulting string will be {@code "> " + escaped(input).replace("\n", "\n> ")}.
*
* @param input
* The input to quote
*
* @return The resulting output
*/
@Nonnull
public static String quote(@Nonnull String input)
{
String sanitized = MarkdownSanitizer.escape(input, ~MarkdownSanitizer.QUOTE);
return "> " + sanitized.replace("\n", "\n> ");
}
/**
* Applies quote block formatting to the entire string.
*
The resulting string will be {@code ">>> " + input}.
*
* @param input
* The input to quote block
*
* @return The resulting output
*/
@Nonnull
public static String quoteBlock(@Nonnull String input)
{
return ">>> " + input;
}
/**
* Creates a masked link with the provided url as target.
*
This will replace any closing parentheses (in the url) with the url encoded equivalent
* and replace closing square brackets with their escaped equivalent.
*
* @param text
* The text to display
* @param url
* The target url
*
* @return The resulting output
*/
@Nonnull
public static String maskedLink(@Nonnull String text, @Nonnull String url)
{
return "[" + text.replace("]", "\\]") + "](" + url.replace(")", "%29") + ")";
}
}