David Allemang
b0d2e231b0
git-subtree-dir: ziglue git-subtree-mainline:d955ccf17dgit-subtree-split:3238162627
113 lines
2.6 KiB
Python
113 lines
2.6 KiB
Python
import sys
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from enum import Enum, auto
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from idlelib.configdialog import is_int
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from pathlib import Path
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from pprint import pprint
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from typing import Optional
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class Block:
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def __init__(self, *parts):
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self.tag = type(self).__name__
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self.data = list(parts)
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def extend(self, *parts):
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self.data.extend(parts)
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def __repr__(self):
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return f'{self.tag}:: {''.join(self.data)!r}'
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class Break(Block): pass
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class ATXHeading(Block): pass
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class SetextHeading(Block): pass
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class IndentedChunk(Block): pass
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class Fence(Block):
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def __init__(self, meta, *data):
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super().__init__(*data)
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self.meta = meta
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self.complete = False
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def __repr__(self):
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return f'{self.tag}:{self.meta}:: {''.join(self.data)!r}'
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class HTML(Block): pass
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class Definition(Block): pass
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class Paragraph(Block): pass
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class Blank(Block): pass
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def convert(md: str):
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blocks: list[Block] = []
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cur_fence: Optional[Fence] = None
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def get(idx):
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try:
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return blocks[idx]
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except IndexError:
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return None
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for line in md.splitlines(keepends=True):
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if cur_fence:
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if line.lstrip(' ').startswith('```'):
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blocks.append(cur_fence)
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cur_fence = None
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else:
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cur_fence.extend(line)
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else:
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if line.isspace():
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if len(blocks) >= 1 and isinstance(blocks[-1], Blank):
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blocks[-1].extend(line)
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else:
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blocks.append(Blank(line))
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elif line.startswith(' ') or line.startswith('\t'):
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if len(blocks) >= 1 and isinstance(blocks[-1], IndentedChunk):
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blocks[-1].extend(line)
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elif len(blocks) >= 2 and isinstance(blocks[-1], Blank) and isinstance(blocks[-2], IndentedChunk):
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blocks[-2].extend(*blocks[-1].data, line)
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blocks.pop(-1)
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else:
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blocks.append(IndentedChunk(line))
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elif line.lstrip(' ').startswith('```'):
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meta = line.strip().removeprefix('```')
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cur_fence = Fence(meta)
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else:
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if len(blocks) >= 1 and isinstance(blocks[-1], Paragraph):
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blocks[-1].extend(line)
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else:
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blocks.append(Paragraph(line))
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pprint(blocks)
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def main():
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for arg in sys.argv[1:]:
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md = Path(arg).read_text()
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html = convert(md)
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print('=' * 80)
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print(html)
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print('=' * 80)
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if __name__ == '__main__':
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main()
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