#!/usr/bin/env python import copy import re import sys import logging

# read in a tutorial, and check the structure of it. file = sys.argv if len(sys.argv) > 2 and sys.argv == '–debug':

logging.basicConfig(level=logging.DEBUG)

else:

logging.basicConfig(level=logging.ERROR)

tuto = open(file, 'r')

boxes = r’<(*)-title>(.*)<\/*-title>' box_close = r'{:s*(.*)s*}' whitespace = r'^(s*)' pre = r'^“`' in_pre = False

tag_stack = [] prev_depth = 0

def stripN(line, count):

c = copy.copy(line)
for i in range(count):
    c = c.lstrip()
    c = c.lstrip('>')
    c = c.lstrip()
return c

def skippable_tag(tags, check):

for tag in tags:
    if tag in check:
        return True
return False

BASE_SKIPPABLE_TAGS = ['hidden', 'quote', 'spoken', 'code-2col'] BASE_EXPECTED_TAGS = [

'hands_on',
'tip',
'details'

]

for line, text in enumerate(tuto.read().split('n')):

m = re.match(boxes, text)
if m:
    depth = m.group(1).count('>')
else:
    depth = 0
logging.debug(f'A|{"[pre]" if in_pre else ""} depth={depth} line={line} {text:120s} tss={[x["tag"] for x in tag_stack]}')

mw = re.match(whitespace, text).group(1)

# Handling pre toggling
unprefixed = stripN(text, depth)
pre_toggle = re.match(pre, unprefixed)

if not in_pre and depth > prev_depth:
    unprefixed = stripN(text, depth)
    m1 = re.match(box_open, unprefixed)
    if m1:
        tag = m1.group(1).replace('-', '_')
        logging.debug(f'B|{"[pre]" if in_pre else ""} line={line} {mw}{" " * (depth - 1)}<{tag}>')

        tag_stack.append({
            'tag': tag,
            'line': line,
            'text': text,
            'mw': mw,
        })
    else:
        logging.debug(f'C|{"[pre]" if in_pre else ""} LINE={line} {mw}{" " * (depth - 1)}<NONE>')
        tag_stack.append({
            'tag': None,
            'line': line,
            'text': text,
            'mw': mw,
        })
        logging.debug(f"D|{'[pre]' if in_pre else ''} {line} Potential Quote/Hidden/Spoken")
        # error?

elif not in_pre and depth < prev_depth:
    unprefixed = stripN(text, depth)
    m1 = re.match(box_close, unprefixed.strip())
    logging.debug(f'E|{"[pre]" if in_pre else ""} prev={prev_depth} -> curr={depth} line={line} m1={m1} ({box_close} =~ {unprefixed}) ts={len(tag_stack)} tss={[x["tag"] for x in tag_stack]}')
    if m1 is None:
        message = f"Potential broken box. A {tag_stack[-1]['tag']} was opened on {tag_stack[-1]['line']}, but not closed on line {line}"
        print(f"{file}:{line}: {message}")
        logging.warning(f"{file}:{line}: {message}")
        logging.debug(f'F|{"[pre]" if in_pre else ""} NONE {line} |{text}|')
        logging.debug(tag_stack[-1])
        logging.debug(f"{mw}{' ' * (depth)}</NONE>")
        tag_stack.pop()
    else:
        if any([skippable_tag(BASE_SKIPPABLE_TAGS, t) for t in m1.groups()]):
            logging.debug(f"G|{'[pre]' if in_pre else ''} {mw}{' ' * (depth)}</NONE-skip tag={m1.groups()[0]}>")
            logging.debug(f'H|NONE {line} |{text}|')
            if ('code-2col' in m1.groups()[0] or 'hidden' in m1.groups()[0]) and (len(tag_stack) == 0 or tag_stack[-1]['tag'] is not None):
                pass
                # This is a special case.
                # Here we don't have tag_stack[-1]['tag'] is None
                # Because there wasn't even a blank header line before the 2col started.
            else:
                tag_stack.pop()
        else:
            closing_tags = m1.groups(1)[0].replace('-', '_').lstrip('.').split('.')
            closing_tag = closing_tags[0].strip()
            logging.debug(tag_stack[-1])
            logging.debug(f"I|{mw}{' ' * (depth)}</{closing_tag}>")

            if len(tag_stack) == 0:
                message = f"Potential broken was closed with {closing_tag} on line {line}"
                print(f"{file}:{line}: {message}")
                logging.warning(f"{file}:{line}: {message}")
            if tag_stack[-1]['tag'] == closing_tag:
                p = tag_stack.pop()
            else:
                logging.debug(f'J|{"[pre]" if in_pre else ""} prev={prev_depth} -> curr={depth} line={line} m={m1} c={closing_tags}')
                if not (tag_stack[-1]['tag'] is None and closing_tag not in BASE_EXPECTED_TAGS):
                    message = f"A {tag_stack[-1]['tag']} was opened, but closed with {closing_tag} on line {line}"
                    print(f"{file}:{line}: {message}")
                    logging.warning(f"{file}:{line}: {message}")
                else:
                    p = tag_stack.pop()
else:
    pass
    #unprefixed = stripN(text, depth)
    #pre_toggle = re.match(pre, unprefixed)
    #if pre_toggle:
    #    in_pre = not in_pre
    #    logging.debug(f'{"[pre]" if in_pre else ""} line={line} PRE {"OPEN" if in_pre else "CLOSE"} {text}')
if pre_toggle:
    in_pre = not in_pre

prev_depth = depth