override fun doProcessToken()

in src/commonMain/kotlin/org/intellij/markdown/parser/markerblocks/impl/CodeBlockMarkerBlock.kt [41:75]
27 lines of code
5 McCabe index (conditional complexity)

    override fun doProcessToken(pos: LookaheadText.Position, currentConstraints: MarkdownConstraints): MarkerBlock.ProcessingResult {
        if (pos.offset < realInterestingOffset) {
            return MarkerBlock.ProcessingResult.CANCEL
        }

        // Eat everything if we're on code line
        if (pos.offsetInCurrentLine != -1) {
            return MarkerBlock.ProcessingResult.CANCEL
        }

        assert(pos.offsetInCurrentLine == -1)

        val nonemptyPos = MarkdownParserUtil.findNonEmptyLineWithSameConstraints(constraints, pos)
            ?: return MarkerBlock.ProcessingResult.DEFAULT

        val nextConstraints = constraints.applyToNextLineAndAddModifiers(nonemptyPos)
        val shifted = nonemptyPos.nextPosition(1 + nextConstraints.getCharsEaten(nonemptyPos.currentLine))
        val nonWhitespace = shifted?.nextPosition(shifted.charsToNonWhitespace() ?: 0)
            ?: return MarkerBlock.ProcessingResult.DEFAULT

        if (!MarkdownParserUtil.hasCodeBlockIndent(nonWhitespace, nextConstraints)) {
            return MarkerBlock.ProcessingResult.DEFAULT
        } else {
            // We'll add the current line anyway
            val nextLineConstraints = constraints.applyToNextLineAndAddModifiers(pos)
            val nodeRange = pos.offset + 1 + nextLineConstraints.getCharsEaten(pos.currentLine)..pos.nextLineOrEofOffset
            if (nodeRange.last - nodeRange.first > 0) {
                productionHolder.addProduction(listOf(SequentialParser.Node(
                        nodeRange, MarkdownTokenTypes.CODE_LINE)))
            }
            
            realInterestingOffset = pos.nextLineOrEofOffset
            return MarkerBlock.ProcessingResult.CANCEL
        }
    }