mattn / gist-vim

vimscript for gist

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gist-vim / gist.vim
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"=============================================================================
" File: gist.vim
" Author: Yasuhiro Matsumoto <mattn.jp@gmail.com>
" Last Change: 03-Jul-2009.
" Version: 2.6
" WebPage: http://github.com/mattn/gist-vim/tree/master
" Usage:
"
" :Gist
" post whole text to gist.
"
" :'<,'>Gist
" post selected text to gist.
"
" :Gist -p
" post whole text to gist with private.
"
" :Gist -a
" post whole text to gist with anonymous.
"
" :Gist -e
" edit the gist. (shoud be work on gist buffer)
" you can update the gist with :w command on gist buffer.
"
" :Gist -e foo.js
" edit the gist with name 'foo.js'. (shoud be work on gist buffer)
"
" :Gist XXXXX
" edit gist XXXXX.
"
" :Gist -c XXXXX.
" get gist XXXXX and put to clipboard.
"
" :Gist -l
" list gists from mine.
"
" :Gist -l mattn
" list gists from mattn.
"
" :Gist -la
" list gists from all.
"
" Tips:
" * if set g:gist_clip_command, gist.vim will copy the gist code
" with option '-c'.
"
" # mac
" let g:gist_clip_command = 'pbcopy'
"
" # linux
" let g:gist_clip_command = 'xclip -selection clipboard'
"
" # others(cygwin?)
" let g:gist_clip_command = 'putclip'
"
" * if you want to detect filetype from gist's filename...
"
" # detect filetype if vim failed auto-detection.
" let g:gist_detect_filetype = 1
"
" # detect filetype always.
" let g:gist_detect_filetype = 2
"
" * if you want to open browser after the post...
"
" let g:gist_open_browser_after_post = 1
"
" * if you want to change the browser...
"
" let g:gist_browser_command = 'w3m %URL%'
"
" or
"
" let g:gist_browser_command = 'opera %URL% &'
"
" on windows, should work with your setting.
"
" Thanks:
" MATSUU Takuto:
" removed carriage return
" gist_browser_command enhancement
" edit support
"
" GetLatestVimScripts: 2423 1 :AutoInstall: gist.vim
 
if &cp || (exists('g:loaded_gist_vim') && g:loaded_gist_vim)
  finish
endif
let g:loaded_gist_vim = 1
 
if (!exists('g:github_user') || !exists('g:github_token')) && !executable('git')
  echoerr "Gist: require 'git' command"
  finish
endif
 
if !executable('curl')
  echoerr "Gist: require 'curl' command"
  finish
endif
 
if !exists('g:gist_open_browser_after_post')
  let g:gist_open_browser_after_post = 0
endif
 
if !exists('g:gist_browser_command')
  if has('win32')
    let g:gist_browser_command = "!start rundll32 url.dll,FileProtocolHandler %URL%"
  elseif has('mac')
    let g:gist_browser_command = "open %URL%"
  elseif executable('xdg-open')
    let g:gist_browser_command = "xdg-open %URL%"
  else
    let g:gist_browser_command = "firefox %URL% &"
  endif
endif
 
if !exists('g:gist_detect_filetype')
  let g:gist_detect_filetype = 0
endif
 
function! s:nr2hex(nr)
  let n = a:nr
  let r = ""
  while n
    let r = '0123456789ABCDEF'[n % 16] . r
    let n = n / 16
  endwhile
  return r
endfunction
 
function! s:encodeURIComponent(instr)
  let instr = iconv(a:instr, &enc, "utf-8")
  let len = strlen(instr)
  let i = 0
  let outstr = ''
  while i < len
    let ch = instr[i]
    if ch =~# '[0-9A-Za-z-._~!''()*]'
      let outstr = outstr . ch
    elseif ch == ' '
      let outstr = outstr . '+'
    else
      let outstr = outstr . '%' . substitute('0' . s:nr2hex(char2nr(ch)), '^.*\(..\)$', '\1', '')
    endif
    let i = i + 1
  endwhile
  return outstr
endfunction
 
function! s:GistList(user, token, gistls)
  if a:gistls == '-all'
    let url = 'http://gist.github.com/gists'
  else
    let url = 'http://gist.github.com/'.a:gistls
  endif
  let winnum = bufwinnr(bufnr('gist:'.a:gistls))
  if winnum != -1
    if winnum != bufwinnr('%')
      exe "normal \<c-w>".winnum."w"
    endif
    setlocal modifiable
    silent %d _
  else
    exec 'silent split gist:'.a:gistls
  endif
  exec 'silent 0r! curl -s '.url
  silent! %s/>/>\r/g
  silent! %s/</\r</g
  silent! %g/<pre/,/<\/pre/join!
  silent! %g/<span class="date"/,/<\/span/join
  silent! %g/^<span class="date"/s/> */>/g
  silent! %v/^\(gist:\|<pre>\|<span class="date">\)/d _
  silent! %s/<div[^>]*>/\r /g
  silent! %s/<\/pre>/\r/g
  silent! %g/^gist:/,/<span class="date"/join
  silent! %s/<[^>]\+>//g
  silent! %s/\r//g
  silent! %s/&nbsp;/ /g
  silent! %s/&quot;/"/g
  silent! %s/&amp;/\&/g
  silent! %s/&gt;/>/g
  silent! %s/&lt;/</g
  silent! %s/&#\(\d\d\);/\=nr2char(submatch(1))/g
  silent! %g/^gist: /s/ //g
  setlocal buftype=nofile bufhidden=hide noswapfile
  setlocal nomodified
  syntax match SpecialKey /^gist:/he=e-1
  exec 'nnoremap <silent> <buffer> <cr> :call <SID>GistListAction()<cr>'
  normal! gg
endfunction
 
function! s:GistGetFileName(gistid)
  let url = 'http://gist.github.com/'.a:gistid
  let res = system('curl -s '.url)
  let res = substitute(res, '^.*<a href="/raw/[^"]\+/\([^"]\+\)".*$', '\1', '')
  if res =~ '/'
    return ''
  else
    return res
  endif
endfunction
 
function! s:GistDetectFiletype(gistid)
  let url = 'http://gist.github.com/'.a:gistid
  let res = system('curl -s '.url)
  let res = substitute(res, '^.*<div class="meta">[\r\n ]*<div class="info">[\r\n ]*<span>\([^>]\+\)</span>.*$', '\1', '')
  let res = substitute(res, '.*\(\.[^\.]\+\)$', '\1', '')
  if res =~ '^\.'
    silent! exec "doau BufRead *".res
  else
    silent! exec "setlocal ft=".tolower(res)
  endif
endfunction
 
function! s:GistWrite(fname)
  if a:fname == expand("%:p")
    Gist -e
  else
    exe "w".(v:cmdbang ? "!" : "")." ".fnameescape(v:cmdarg)." ".fnameescape(a:fname)
  endif
endfunction
 
function! s:GistGet(user, token, gistid, clipboard)
  let url = 'http://gist.github.com/'.a:gistid.'.txt'
  let winnum = bufwinnr(bufnr('gist:'.a:gistid))
  if winnum != -1
    if winnum != bufwinnr('%')
      exe "normal \<c-w>".winnum."w"
    endif
    setlocal modifiable
    silent %d _
  else
    exec 'silent split gist:'.a:gistid
  endif
  filetype detect
  exec '%d _'
  exec 'silent 0r! curl -s '.url
  setlocal buftype=acwrite bufhidden=delete noswapfile
  setlocal nomodified
  doau StdinReadPost <buffer>
  normal! gg
  if (&ft == '' && g:gist_detect_filetype == 1) || g:gist_detect_filetype == 2
    call s:GistDetectFiletype(a:gistid)
  endif
  if a:clipboard
    if exists('g:gist_clip_command')
      exec 'silent w !'.g:gist_clip_command
    else
      normal! ggVG"+y
    endif
  endif
  au BufWriteCmd <buffer> call s:GistWrite(expand("<amatch>"))
endfunction
 
function! s:GistListAction()
  let line = getline('.')
  let mx = '^gist:\(\w\+\).*'
  if line =~# mx
    let gistid = substitute(line, mx, '\1', '')
    call s:GistGet(g:github_user, g:github_token, gistid, 0)
  endif
endfunction
 
function! s:GistUpdate(user, token, content, gistid, gistnm)
  if len(a:gistnm) == 0
    let name = s:GistGetFileName(a:gistid)
  else
    let name = a:gistnm
  endif
  let namemx = '^[^.]\+\(.\+\)$'
  let ext = ''
  if name =~ namemx
    let ext = substitute(name, namemx, '\1', '')
  endif
  let query = [
    \ '_method=put',
    \ 'file_ext[gistfile1%s]=%s',
    \ 'file_name[gistfile1%s]=%s',
    \ 'file_contents[gistfile1%s]=%s',
    \ 'login=%s',
    \ 'token=%s',
    \ ]
  let squery = printf(join(query, '&'),
    \ s:encodeURIComponent(ext), s:encodeURIComponent(ext),
    \ s:encodeURIComponent(ext), s:encodeURIComponent(name),
    \ s:encodeURIComponent(ext), s:encodeURIComponent(a:content),
    \ s:encodeURIComponent(a:user),
    \ s:encodeURIComponent(a:token))
  unlet query
 
  let file = tempname()
  exec 'redir! > '.file
  silent echo squery
  redir END
  echon " Updating it to gist... "
  let quote = &shellxquote == '"' ? "'" : '"'
  let url = 'http://gist.github.com/gists/'.a:gistid
  let res = system('curl -i -d @'.quote.file.quote.' '.url)
  call delete(file)
  let res = matchstr(split(res, '\(\r\?\n\|\r\n\?\)'), '^Location: ')
  let res = substitute(res, '^.*: ', '', '')
  if len(res) > 0 && res != 'http://gist.github.com/gists'
    setlocal nomodified
    echo 'done: '.res
  else
    echoerr 'Edit failed'
  endif
  return res
endfunction
 
function! s:GistPost(user, token, content, private)
  let ext = expand('%:e')
  let ext = len(ext) ? '.'.ext : ''
  let name = expand('%:t')
  let query = [
    \ 'file_ext[gistfile1]=%s',
    \ 'file_name[gistfile1]=%s',
    \ 'file_contents[gistfile1]=%s',
    \ ]
 
  if len(a:user) > 0 && len(a:token) > 0
    call add(query, 'login=%s')
    call add(query, 'token=%s')
  else
    call add(query, '%.0s%.0s')
  endif
 
  if a:private
    call add(query, 'private=on')
  endif
  let squery = printf(join(query, '&'),
    \ s:encodeURIComponent(ext),
    \ s:encodeURIComponent(name),
    \ s:encodeURIComponent(a:content),
    \ s:encodeURIComponent(a:user),
    \ s:encodeURIComponent(a:token))
  unlet query
 
  let file = tempname()
  exec 'redir! > '.file
  silent echo squery
  redir END
  echon " Posting it to gist... "
  let quote = &shellxquote == '"' ? "'" : '"'
  let url = 'http://gist.github.com/gists'
  let res = system('curl -i -d @'.quote.file.quote.' '.url)
  call delete(file)
  let res = matchstr(split(res, '\(\r\?\n\|\r\n\?\)'), '^Location: ')
  let res = substitute(res, '^.*: ', '', '')
  if len(res) > 0 && res != 'http://gist.github.com/gists'
    echo 'done: '.res
  else
    echoerr 'Post failed'
  endif
  return res
endfunction
 
function! Gist(line1, line2, ...)
  if !exists('g:github_user')
    let g:github_user = substitute(system('git config --global github.user'), "\n", '', '')
  endif
  if !exists('g:github_token')
    let g:github_token = substitute(system('git config --global github.token'), "\n", '', '')
  endif
  if strlen(g:github_user) == 0 || strlen(g:github_token) == 0
    echoerr "You have no setting for github."
    echohl WarningMsg
    echo "git config --global github.user your-name"
    echo "git config --global github.token your-token"
    echo "or set g:github_user and g:github_token in your vimrc"
    echohl None
    return 0
  end
 
  let bufname = bufname("%")
  let user = g:github_user
  let token = g:github_token
  let gistid = ''
  let gistls = ''
  let gistnm = ''
  let private = 0
  let clipboard = 0
  let editpost = 0
  let listmx = '^\(-l\|--list\)\s*\([^\s]\+\)\?$'
  let bufnamemx = '^gist:\(\d\+\)$'
 
  let args = (a:0 > 0) ? split(a:1, ' ') : []
  for arg in args
    if arg =~ '^\(-la\|--listall\)$'
      let gistls = '-all'
    elseif arg =~ '^\(-l\|--list\)$'
      let gistls = g:github_user
    elseif arg =~ '^\(-p\|--private\)$'
      let private = 1
    elseif arg =~ '^\(-a\|--anonymous\)$'
      let user = ''
      let token = ''
    elseif arg =~ '^\(-c\|--clipboard\)$'
      let clipboard = 1
    elseif arg =~ '^\(-e\|--edit\)$' && bufname =~ bufnamemx
      let editpost = 1
      let gistid = substitute(bufname, bufnamemx, '\1', '')
    elseif len(gistnm) == 0
      if editpost == 1
        let gistnm = arg
      elseif len(gistls) > 0
        let gistls = arg
      else
        let gistid = arg
      endif
    elseif len(arg) > 0
      echoerr 'Invalid arguments'
      unlet args
      return 0
    endif
  endfor
  unlet args
"echo "gistid=".gistid
"echo "gistls=".gistls
"echo "gistnm=".gistnm
"echo "private=".private
"echo "clipboard=".clipboard
"echo "editpost=".editpost
 
  if len(gistls) > 0
    call s:GistList(user, token, gistls)
  elseif len(gistid) > 0 && editpost == 0
    call s:GistGet(user, token, gistid, clipboard)
  else
    let content = join(getline(a:line1, a:line2), "\n")
    if editpost == 1
      let url = s:GistUpdate(user, token, content, gistid, gistnm)
    else
      let url = s:GistPost(user, token, content, private)
    endif
    if len(url) > 0 && g:gist_open_browser_after_post
      let cmd = substitute(g:gist_browser_command, '%URL%', url, 'g')
      if cmd =~ '^!'
        silent! exec cmd
      else
        call system(cmd)
      endif
    endif
  endif
  return 1
endfunction
 
command! -nargs=? -range=% Gist :call Gist(<line1>, <line2>, <f-args>)