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#! /usr/bin/env python3
# -*- coding: utf-8 -*-
from __future__ import print_function
help_text = """
Extracts tags from Vimwiki files. Useful for the Tagbar plugin.
Usage:
Install Tagbar (http://majutsushi.github.io/tagbar/). Then, put this file
anywhere and add the following to your .vimrc:
let g:tagbar_type_vimwiki = {
\ 'ctagstype':'vimwiki'
\ , 'kinds':['h:header']
\ , 'sro':'&&&'
\ , 'kind2scope':{'h':'header'}
\ , 'sort':0
\ , 'ctagsbin':'/path/to/vwtags.py'
\ , 'ctagsargs': 'default'
\ }
The value of ctagsargs must be one of 'default', 'markdown' or 'media',
whatever syntax you use. However, if you use multiple wikis with different
syntaxes, you can, as a workaround, use the value 'all' instead. Then, Tagbar
will show markdown style headers as well as default/mediawiki style headers,
but there might be erroneously shown headers.
"""
import sys
import re
if len(sys.argv) < 3:
print(help_text)
exit()
syntax = sys.argv[1]
filename = sys.argv[2]
rx_default_media = r"^\s*(={1,6})([^=].*[^=])\1\s*$"
rx_markdown = r"^\s*(#{1,6})([^#].*)$"
if syntax in ("default", "media"):
rx_header = re.compile(rx_default_media)
elif syntax == "markdown":
rx_header = re.compile(rx_markdown)
else:
rx_header = re.compile(rx_default_media + "|" + rx_markdown)
file_content = []
try:
with open(filename, "r") as vim_buffer:
file_content = vim_buffer.readlines()
except:
exit()
state = [""]*6
for lnum, line in enumerate(file_content):
match_header = rx_header.match(line)
if not match_header:
continue
match_lvl = match_header.group(1) or match_header.group(3)
match_tag = match_header.group(2) or match_header.group(4)
cur_lvl = len(match_lvl)
cur_tag = match_tag.strip()
cur_searchterm = "^" + match_header.group(0).rstrip("\r\n") + "$"
cur_kind = "h"
state[cur_lvl-1] = cur_tag
for i in range(cur_lvl, 6):
state[i] = ""
scope = "&&&".join(
[state[i] for i in range(0, cur_lvl-1) if state[i] != ""])
if scope:
scope = "\theader:" + scope
print('{0}\t{1}\t/{2}/;"\t{3}\tline:{4}{5}'.format(
cur_tag, filename, cur_searchterm, cur_kind, str(lnum+1), scope))
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