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# File: voom_mode_viki.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 headline markup used by Vim Viki/Deplate plugin.
See |voom-mode-viki|, ../../../doc/voom.txt#*voom-mode-viki*
"""
import sys
if sys.version_info[0] > 2:
xrange = range
import re
headline_match = re.compile(r'^(\*+)\s').match
# Ignore Regions other than #Region
#
# #Type [OPTIONS] <<EndOfRegion
# .......
# EndOfRegion
#
# syntax/viki.vim:
# syn region vikiRegion matchgroup=vikiMacroDelim
# \ start=/^[[:blank:]]*#\([A-Z]\([a-z][A-Za-z]*\)\?\>\|!!!\)\(\\\n\|.\)\{-}<<\z(.*\)$/
# \ end=/^[[:blank:]]*\z1[[:blank:]]*$/
# \ contains=@vikiText,vikiRegionNames
#
# EndOfRegion can be empty string, leading/trailing white space matters
# Don't know what !!! is for.
#
region_match = re.compile(r'^\s*#([A-Z]([a-z][A-Za-z]*)?)\b.*?<<(.*)').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
isFenced = False # EndOfRegion match object when inside a region
for i in xrange(Z):
bline = blines[i]
if isFenced:
if re.match(isFenced, bline):
isFenced = False
continue
if bline.lstrip().startswith('#') and '<<' in bline:
r_m = region_match(bline)
if r_m and r_m.group(1) != 'Region':
isFenced = '^\s*%s\s*$' %re.escape(r_m.group(3) or '')
continue
elif not bline.startswith('*'):
continue
m = headline_match(bline)
if not m:
continue
lev = len(m.group(1))
head = bline[lev:].strip()
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' %('*'*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' %('*'*(level+levDelta), h[m.end(1):])
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