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# File: voom_mode_html.py
# Last Modified: 2017-01-07
# Description: VOoM -- two-pane outliner plugin for Python-enabled Vim
# Website: http://www.vim.org/scripts/script.php?script_id=2657
# Author: Vlad Irnov (vlad DOT irnov AT gmail DOT com)
# License: CC0, see http://creativecommons.org/publicdomain/zero/1.0/
"""
VOoM markup mode for HTML headings.
See |voom-mode-html|, ../../../doc/voom.txt#*voom-mode-html*
<h1>headline level 1</h1>
some text
<h2> headline level 2 </h2>
more text
<H3 ALIGN="CENTER"> headline level 3 </H3>
< h4 > headline level 4 </H4 >
some text <h4> <font color=red> headline 5 </font> </H4> </td></div>
etc.
"""
import sys
if sys.version_info[0] > 2:
xrange = range
import re
headline_search = re.compile(r'<\s*h(\d+).*?>(.*?)</h(\1)\s*>', re.IGNORECASE).search
html_tag_sub = re.compile('<.*?>').sub
def hook_makeOutline(VO, blines):
"""Return (tlines, bnodes, levels) for Body lines blines.
blines is either Vim buffer object (Body) or list of buffer lines.
"""
Z = len(blines)
tlines, bnodes, levels = [], [], []
tlines_add, bnodes_add, levels_add = tlines.append, bnodes.append, levels.append
for i in xrange(Z):
bline = blines[i]
if not ('</h' in bline or '</H' in bline):
continue
m = headline_search(bline)
if not m:
continue
lev = int(m.group(1))
head = m.group(2)
# delete all html tags
head = html_tag_sub('',head)
tline = ' %s|%s' %('. '*(lev-1), head.strip())
tlines_add(tline)
bnodes_add(i+1)
levels_add(lev)
return (tlines, bnodes, levels)
def hook_newHeadline(VO, level, blnum, tlnum):
"""Return (tree_head, bodyLines).
tree_head is new headline string in Tree buffer (text after |).
bodyLines is list of lines to insert in Body buffer.
"""
tree_head = 'NewHeadline'
bodyLines = ['<h%s>%s</h%s>' %(level, tree_head, level), '']
return (tree_head, bodyLines)
def hook_changeLevBodyHead(VO, h, levDelta):
"""Increase of decrease level number of Body headline by levDelta."""
if levDelta==0: return h
m = headline_search(h)
level = int(m.group(1))
lev = level+levDelta
return '%s%s%s%s%s' %(h[:m.start(1)], lev, h[m.end(1):m.start(3)], lev, h[m.end(3):])
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