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
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
|
" Vim plug-in
" Maintainer: Peter Odding <peter@peterodding.com>
" Last Change: June 15, 2010
" URL: http://peterodding.com/code/vim/easytags
" Requires: Exuberant Ctags (http://ctags.sf.net)
" License: MIT
" Version: 1.9.3
" Support for automatic update using the GLVS plug-in.
" GetLatestVimScripts: 3114 1 :AutoInstall: easytags.zip
" Don't source the plug-in when its already been loaded or &compatible is set.
if &cp || exists('g:loaded_easytags')
finish
endif
" Configuration defaults. {{{1
if !exists('g:easytags_file')
if has('win32') || has('win64')
let g:easytags_file = '~\_vimtags'
else
let g:easytags_file = '~/.vimtags'
endif
endif
if !exists('g:easytags_resolve_links')
let g:easytags_resolve_links = 0
endif
if !exists('g:easytags_always_enabled')
let g:easytags_always_enabled = 0
endif
if !exists('g:easytags_on_cursorhold')
let g:easytags_on_cursorhold = 1
endif
if !exists('g:easytags_ignored_filetypes')
let g:easytags_ignored_filetypes = '^tex$'
endif
function! s:InitEasyTags(version)
" Check that the location of Exuberant Ctags has been configured or that the
" correct version of the program exists in one of its default locations.
if exists('g:easytags_cmd') && s:CheckCtags(g:easytags_cmd, a:version)
return 1
endif
" On Ubuntu Linux, Exuberant Ctags is installed as `ctags'. On Debian Linux,
" Exuberant Ctags is installed as `exuberant-ctags'. On Free-BSD, Exuberant
" Ctags is installed as `exctags'. Finally there is `ctags.exe' on Windows.
for name in ['ctags', 'exuberant-ctags', 'esctags']
if s:CheckCtags(name, a:version)
let g:easytags_cmd = name
return 1
endif
endfor
endfunction
function! s:CheckCtags(name, version)
" Not every executable out there named `ctags' is in fact Exuberant Ctags.
" This function makes sure it is because the easytags plug-in requires the
" --list-languages option.
if executable(a:name)
let listing = system(a:name . ' --version')
let pattern = 'Exuberant Ctags \zs\d\+\(\.\d\+\)*'
let g:easytags_ctags_version = matchstr(listing, pattern)
return s:VersionToNumber(g:easytags_ctags_version) >= a:version
endif
endfunction
function! s:VersionToNumber(s)
let values = split(a:s, '\.')
if len(values) == 1
return values[0] * 10
elseif len(values) >= 2
return values[0] * 10 + values[1][0]
endif
endfunction
if !s:InitEasyTags(55)
if !exists('g:easytags_ctags_version') || empty(g:easytags_ctags_version)
let msg = "easytags.vim: Plug-in not loaded because Exuberant Ctags isn't installed!"
if executable('apt-get')
let msg ,= " On Ubuntu & Debian you can install Exuberant Ctags by"
let msg .= " installing the package named `exuberant-ctags':"
let msg .= " sudo apt-get install exuberant-ctags"
else
let msg .= " Please download & install Exuberant Ctags from http://ctags.sf.net"
endif
echomsg msg
else
let msg = "easytags.vim: Plug-in not loaded because Exuberant Ctags 5.5"
let msg .= " or newer is required while you have version %s installed!"
echomsg printf(msg, g:easytags_ctags_version)
endif
finish
endif
" Let Vim know about the global tags file created by this plug-in.
" Parse the &tags option and get a list of all configured tags files including
" non-existing files (this is why we can't just call the tagfiles() function).
let s:tagfiles = xolox#option#split_tags(&tags)
let s:expanded = map(copy(s:tagfiles), 'expand(v:val)')
" Add the tags file to the &tags option when the user hasn't done so already.
if index(s:expanded, expand(g:easytags_file)) == -1
let s:entry = g:easytags_file
if (has('win32') || has('win64')) && s:entry =~ '^\~[\\/]'
" On UNIX you can use ~/ in &tags but on Windows that doesn't work.
let s:entry = expand(s:entry)
endif
let &tags = xolox#option#join_tags(insert(s:tagfiles, s:entry, 0))
endif
unlet! s:tagfiles s:expanded s:entry
" The :UpdateTags and :HighlightTags commands. {{{1
command! -bar -bang UpdateTags call easytags#update_cmd(<q-bang> == '!')
command! -bar HighlightTags call easytags#highlight_cmd()
" Automatic commands. {{{1
augroup PluginEasyTags
autocmd!
if g:easytags_always_enabled
autocmd BufReadPost,BufWritePost * call easytags#autoload()
endif
if g:easytags_on_cursorhold
autocmd CursorHold,CursorHoldI * call easytags#autoload()
autocmd BufReadPost * unlet! b:easytags_last_highlighted
endif
autocmd User PublishPre HighlightTags
augroup END
" }}}1
" Make sure the plug-in is only loaded once.
let g:loaded_easytags = 1
" vim: ts=2 sw=2 et
|
