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|
if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'latex') == -1
" vimtex - LaTeX plugin for Vim
"
" Maintainer: Karl Yngve Lervåg
" Email: karl.yngve@gmail.com
"
function! vimtex#cache#open(name, ...) abort " {{{1
let l:opts = a:0 > 0 ? a:1 : {}
let l:name = get(l:opts, 'local') ? s:local_name(a:name) : a:name
let s:caches = get(s:, 'caches', {})
if has_key(s:caches, l:name)
return s:caches[l:name]
endif
let s:caches[l:name] = s:cache.init(l:name, l:opts)
return s:caches[l:name]
endfunction
" }}}1
function! vimtex#cache#close(name) abort " {{{1
let s:caches = get(s:, 'caches', {})
" Try global name first, then local name
let l:name = a:name
if !has_key(s:caches, l:name)
let l:name = s:local_name(l:name)
endif
if !has_key(s:caches, l:name) | return | endif
let l:cache = s:caches[l:name]
call l:cache.write()
unlet s:caches[l:name]
endfunction
" }}}1
function! vimtex#cache#wrap(Func, name, ...) abort " {{{1
if !has('lambda')
throw 'error: vimtex#cache#wrap requires +lambda'
endif
let l:opts = a:0 > 0 ? a:1 : {}
let l:cache = vimtex#cache#open(a:name, l:opts)
function! CachedFunc(key) closure
if l:cache.has(a:key)
return l:cache.get(a:key)
else
return l:cache.set(a:key, a:Func(a:key))
endif
endfunction
return function('CachedFunc')
endfunction
" }}}1
function! vimtex#cache#clear(name, local) abort " {{{1
let l:cache = vimtex#cache#open(a:name, {'local': a:local})
call l:cache.read()
if !empty(l:cache.data)
let l:cache.data = {}
call l:cache.write()
endif
endfunction
" }}}1
function! vimtex#cache#write_all() abort " {{{1
for l:cache in values(get(s:, 'caches', {}))
call l:cache.write()
endfor
endfunction
" }}}1
let s:cache = {}
function! s:cache.init(name, opts) dict abort " {{{1
let new = deepcopy(self)
unlet new.init
let l:root = get(g:, 'vimtex_cache_root', $HOME . '/.cache/vimtex')
if !isdirectory(l:root)
call mkdir(l:root, 'p')
endif
let new.name = a:name
let new.path = l:root . '/' . a:name . '.json'
let new.local = get(a:opts, 'local')
let new.persistent = get(a:opts, 'persistent',
\ get(g:, 'vimtex_cache_persistent', 1))
if has_key(a:opts, 'default')
let new.default = a:opts.default
endif
let new.data = {}
let new.ftime = -1
let new.modified = 0
return new
endfunction
" }}}1
function! s:cache.get(key) dict abort " {{{1
call self.read()
if has_key(self, 'default') && !has_key(self.data, a:key)
let self.data[a:key] = deepcopy(self.default)
endif
return get(self.data, a:key)
endfunction
" }}}1
function! s:cache.has(key) dict abort " {{{1
call self.read()
return has_key(self.data, a:key)
endfunction
" }}}1
function! s:cache.set(key, value) dict abort " {{{1
call self.read()
let self.data[a:key] = a:value
let self.modified = 1
call self.write()
return a:value
endfunction
" }}}1
function! s:cache.write() dict abort " {{{1
if !self.persistent
let self.modified = 0
return
endif
if !self.modified | return | endif
call self.read()
call writefile([json_encode(self.data)], self.path)
let self.ftime = getftime(self.path)
let self.modified = 0
endfunction
" }}}1
function! s:cache.read() dict abort " {{{1
if !self.persistent | return | endif
if getftime(self.path) > self.ftime
let self.ftime = getftime(self.path)
call extend(self.data,
\ json_decode(join(readfile(self.path))), 'keep')
endif
endfunction
" }}}1
"
" Utility functions
"
function! s:local_name(name) abort " {{{1
let l:filename = exists('b:vimtex.tex')
\ ? fnamemodify(b:vimtex.tex, ':r')
\ : expand('%:p:r')
let l:filename = substitute(l:filename, '\s\+', '_', 'g')
let l:filename = substitute(l:filename, '\/', '%', 'g')
let l:filename = substitute(l:filename, '\\', '%', 'g')
let l:filename = substitute(l:filename, ':', '%', 'g')
return a:name . l:filename
endfunction
" }}}1
endif
|
