Method getLines

markdown_it/rules_block/state_block.py:214–255

Cut lines range from source.

(self, begin: int, end: int, indent: int, keepLastLF: bool)

        return pos

    def getLines(self, begin: int, end: int, indent: int, keepLastLF: bool) -> str:
        """Cut lines range from source."""
        line = begin
        if begin >= end:
            return ""

        queue = [""] * (end - begin)

        i = 1
        while line < end:
            lineIndent = 0
            lineStart = first = self.bMarks[line]
            last = (
                self.eMarks[line] + 1
                if line + 1 < end or keepLastLF
                else self.eMarks[line]
            )

            while (first < last) and (lineIndent < indent):
                ch = self.src[first]
                if isStrSpace(ch):
                    if ch == "\t":
                        lineIndent += 4 - (lineIndent + self.bsCount[line]) % 4
                    else:
                        lineIndent += 1
                elif first - lineStart < self.tShift[line]:
                    lineIndent += 1
                else:
                    break
                first += 1

            if lineIndent > indent:
                # partially expanding tabs in code blocks, e.g '\t\tfoobar'
                # with indent=2 becomes '  \tfoobar'
                queue[i - 1] = (" " * (lineIndent - indent)) + self.src[first:last]
            else:
                queue[i - 1] = self.src[first:last]

            line += 1
            i += 1

        return "".join(queue)

    def is_code_block(self, line: int) -> bool:
        """Check if line is a code block,