int (List content, int start) { int size = content.size(); if (start > size) { start = size; } int index = start; if (currentFormat.mode == Format.TextMode.TRIM_FULL_WHITE || currentFormat.mode == Format.TextMode.NORMALIZE || currentFormat.mode == Format.TextMode.TRIM) { while (index >= 0) { if (!isAllWhitespace(content.get(index - 1))) { break; } --index; } } return index; }