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874752d | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 | # SPDX-FileCopyrightText: Copyright (c) 2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
# SPDX-License-Identifier: OpenMDW-1.1
"""Render titles explicitly declared by native chart metadata as table captions."""
import re
from html import escape
def transform(text):
changed=0
def chart(m):
nonlocal changed
body=m[2]
if '<chart' in body:return m[0]
title=re.search(r'(?m)^title:[ \t]*([^\n]*)$',body)
if not title:return m[0]
title_text=title[1].strip()
if not title_text:return m[0]
count=0
pattern=re.compile(r'(?m)^\|[^\n]*\|[ \t]*\n\|[ \t:|\-]+\|[ \t]*\n(?:\|[^\n]*\|[ \t]*(?:\n|$))+')
def table(t):
nonlocal count
raw=t[0]
if r'\|' in raw or '`' in raw:return raw
lines=[a.strip() for a in raw.strip().splitlines()];cells=[[c.strip() for c in line.strip('|').split('|')] for line in lines]
if len(cells)<3 or any(len(row)!=len(cells[0]) for row in cells) or any(not re.fullmatch(r':?-+:?',c.replace(' ','')) for c in cells[1]):return raw
count+=1
result='<table><caption>'+escape(title_text)+'</caption><thead><tr>'+''.join('<th scope="col">'+escape(c)+'</th>' for c in cells[0])+'</tr></thead><tbody>'
result+=''.join('<tr>'+''.join('<td>'+escape(c)+'</td>' for c in row)+'</tr>' for row in cells[2:])+'</tbody></table>\n'
return result
new=pattern.sub(table,body)
if not count:return m[0]
# The title is rendered in its associated captions, retaining text and roles.
new=re.sub(r'(?m)^title:[ \t]*[^\n]*\n?', '',new,count=1)
changed+=count;return m[1]+new+m[3]
out=re.sub(r'(<chart\b[^>]*>)(.*?)(</chart>)',chart,text,flags=re.S)
return out,changed
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