123 lines
3.2 KiB
VimL
123 lines
3.2 KiB
VimL
" Author: Eric Van Dewoestine
|
|
"
|
|
" Description: {{{
|
|
" Caching functionality
|
|
"
|
|
" License:
|
|
"
|
|
" Copyright (C) 2005 - 2009 Eric Van Dewoestine
|
|
"
|
|
" This program is free software: you can redistribute it and/or modify
|
|
" it under the terms of the GNU General Public License as published by
|
|
" the Free Software Foundation, either version 3 of the License, or
|
|
" (at your option) any later version.
|
|
"
|
|
" This program is distributed in the hope that it will be useful,
|
|
" but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
" GNU General Public License for more details.
|
|
"
|
|
" You should have received a copy of the GNU General Public License
|
|
" along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
"
|
|
" }}}
|
|
|
|
" Global Variables {{{
|
|
if !exists('g:EclimCacheDir')
|
|
let g:EclimCacheDir = expand('~/.eclim/cache')
|
|
endif
|
|
" }}}
|
|
|
|
" Set(key, content, metadata) {{{
|
|
" Adds the supplied content (list of lines) along with the supplied metadata
|
|
" (dictionary of key / value pairs) to the cache under the specified key.
|
|
function! eclim#cache#Set(key, content, ...)
|
|
if !s:InitCache()
|
|
return
|
|
endif
|
|
|
|
call eclim#cache#Delete(a:key)
|
|
|
|
let file = s:GetCachedFilename(a:key)
|
|
let content = a:content
|
|
if a:0 > 0 && len(a:1) > 0
|
|
let content = [string(a:1)] + content
|
|
else
|
|
let content = [''] + content
|
|
endif
|
|
call writefile(content, file)
|
|
|
|
if executable('gzip')
|
|
call eclim#util#System('gzip "' . file . '"')
|
|
endif
|
|
endfunction " }}}
|
|
|
|
" Get(key [, valid]) {{{
|
|
" Gets the content stored under the specified key. An optional 'valid'
|
|
" argument may be supplied which must be a FuncRef which will be passed the
|
|
" metadata and must determine if the " cached value is still valid by
|
|
" returning 1 for valid and 0 for invalid.
|
|
" Returns a dictionary containing keys 'metadata' and 'content' or an empty
|
|
" dictionary if no valid cache value found.
|
|
function! eclim#cache#Get(key, ...)
|
|
if !s:InitCache()
|
|
return
|
|
endif
|
|
|
|
let file = s:GetCachedFilename(a:key)
|
|
if filereadable(file . '.gz')
|
|
call eclim#util#System('gzip -d "' . file . '.gz"')
|
|
let contents = readfile(file)
|
|
call eclim#util#System('gzip "' . file . '"')
|
|
elseif filereadable(file)
|
|
let contents = readfile(file)
|
|
else
|
|
return {}
|
|
endif
|
|
|
|
let metadata = contents[0] != '' ? eval(contents[0]) : {}
|
|
if len(a:000) > 0
|
|
let Function = a:000[0]
|
|
if !Function(metadata)
|
|
call eclim#cache#Delete(a:key)
|
|
return {}
|
|
endif
|
|
endif
|
|
|
|
return {'metadata': metadata, 'content': contents[1:]}
|
|
endfunction " }}}
|
|
|
|
" Delete(key) {{{
|
|
" Delete any cached content under the specified key.
|
|
function! eclim#cache#Delete(key)
|
|
if !s:InitCache()
|
|
return
|
|
endif
|
|
|
|
let file = s:GetCachedFilename(a:key)
|
|
if filereadable(file . '.gz')
|
|
call delete(file . '.gz')
|
|
endif
|
|
|
|
if filereadable(file)
|
|
call delete(file)
|
|
endif
|
|
endfunction " }}}
|
|
|
|
" s:GetCachedFilename(key) {{{
|
|
function! s:GetCachedFilename(key)
|
|
return g:EclimCacheDir . '/' . substitute(a:key, '\W\+', '_', 'g') . '.cache'
|
|
endfunction " }}}
|
|
|
|
" s:InitCache() {{{
|
|
" Initializes the cache.
|
|
function! s:InitCache()
|
|
if !isdirectory(g:EclimCacheDir)
|
|
call mkdir(g:EclimCacheDir, 'p')
|
|
endif
|
|
|
|
return 1
|
|
endfunction " }}}
|
|
|
|
" vim:ft=vim:fdm=marker
|