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JSONSyntax.scala
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JSONSyntax.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.parse.code.languages
import cats.data.NonEmptyList
import laika.api.bundle.SyntaxHighlighter
import laika.parse.code.{ CodeCategory, CodeSpanParser }
import laika.parse.code.CodeCategory.{ BooleanLiteral, LiteralValue }
import laika.parse.code.common.StringLiteral.StringParser
import laika.parse.code.common.{ Keywords, NumberLiteral, StringLiteral }
import laika.parse.builders._
/** @author Jens Halm
*/
object JSONSyntax extends SyntaxHighlighter {
private val string: StringParser = StringLiteral.singleLine('"').embed(
StringLiteral.Escape.unicode,
StringLiteral.Escape.char
)
private val attributeName: StringParser = string
.withPostCondition(lookAhead(ws ~ ":").void)
.withCategory(CodeCategory.AttributeName)
val language: NonEmptyList[String] = NonEmptyList.of("json")
val spanParsers: Seq[CodeSpanParser] = Seq(
Keywords(BooleanLiteral)("true", "false"),
Keywords(LiteralValue)("null"),
NumberLiteral.decimalFloat,
NumberLiteral.decimalInt,
attributeName,
string
)
}