fun trimIndents()

in src/commonMain/kotlin/org/intellij/markdown/html/HtmlGenerator.kt [124:159]

• 30 lines of code
• 8 McCabe index (conditional complexity)

        fun trimIndents(text: CharSequence, indent: Int): CharSequence {
            if (indent == 0) {
                return text
            }

            val buffer = StringBuilder()

            var lastFlushed = 0
            var offset = 0
            while (offset < text.length) {
                if (offset == 0 || text[offset - 1] == '\n') {
                    buffer.append(text.subSequence(lastFlushed, offset))
                    var indentEaten = 0

                    eatIndentLoop@
                    while (indentEaten < indent && offset < text.length) {
                        when (text[offset]) {
                            ' ' -> indentEaten++
                            '\t' -> indentEaten += 4 - indentEaten % 4
                            else -> break@eatIndentLoop
                        }
                        offset++
                    }

                    if (indentEaten > indent) {
                        buffer.append(" ".repeat(indentEaten - indent))
                    }
                    lastFlushed = offset
                }

                offset++
            }

            buffer.append(text.subSequence(lastFlushed, text.length))
            return buffer
        }