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# File: voom_mode_hashes.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 headlines marked with #'s (atx-headers, a subset of Markdown format).
See |voom-mode-hashes|, ../../../doc/voom.txt#*voom-mode-hashes*
# heading level 1
##heading level 2
### heading level 3
"""
import sys
if sys.version_info[0] > 2:
xrange = range
import re
# Marker character can be changed to any ASCII character.
CHAR = '#'
# Use this if whitespace after marker chars is optional.
headline_match = re.compile(r'^(%s+)' %re.escape(CHAR)).match
# Use this if a whitespace is required after marker chars (as in org-mode).
#headline_match = re.compile(r'^(%s+)\s' %re.escape(CHAR)).match
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):
if not blines[i].startswith(CHAR):
continue
bline = blines[i]
m = headline_match(bline)
# Uncomment the next line if whitespace is required after marker chars.
#if not m: continue
lev = len(m.group(1))
head = bline[lev:].strip()
# Do this instead if optional closing markers need to be stripped.
#head = bline[lev:].strip().rstrip(CHAR).rstrip()
tline = ' %s|%s' %('. '*(lev-1), head)
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 = ['%s %s' %(CHAR * level, tree_head), '']
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_match(h)
level = len(m.group(1))
return '%s%s' %(CHAR * (level+levDelta), h[m.end(1):])
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