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SyntaxHighlighter.scala
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SyntaxHighlighter.scala
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/*
* Copyright 2012-2020 the original author or authors.
*
* 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 laika.api.bundle
import cats.data.NonEmptyList
import laika.ast.{ CodeSpan, CodeSpans }
import laika.parse.Parser
import laika.parse.code.CodeSpanParser
import laika.parse.code.common.EmbeddedCodeSpans
import laika.parse.text.DelimitedText
/** Captures the parser implementation and aliases of the syntax highlighter for
* a particular language.
*/
trait SyntaxHighlighter {
/** The names of the language (and its optional aliases) as used in text markup */
def language: NonEmptyList[String]
/** The parsers for individual code spans written in this language */
def spanParsers: Seq[CodeSpanParser]
/** The resulting root parser composed of the individual span parsers to be used in
* the parser for the host markup language
*/
lazy val rootParser: Parser[Seq[CodeSpan]] =
EmbeddedCodeSpans.parser(DelimitedText.Undelimited, spanParsers).map(CodeSpans.merge)
}