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dotfiles/vim/vim-latex/ftplugin/latex-suite/texviewer.vim

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" ============================================================================
" File: texviewer.vim
" Author: Mikolaj Machowski
" Created: Sun Jan 26 06:00 PM 2003
" Description: make a viewer for various purposes: \cite{, \ref{
" License: Vim Charityware License
" Part of vim-latexSuite: http://vim-latex.sourceforge.net
" ============================================================================
" Tex_SetTexViewerMaps: sets maps for this ftplugin {{{
function! Tex_SetTexViewerMaps()
inoremap <silent> <Plug>Tex_Completion <Esc>:call Tex_Complete("default","text")<CR>
if !hasmapto('<Plug>Tex_Completion', 'i')
if has('gui_running')
imap <buffer> <silent> <F9> <Plug>Tex_Completion
else
imap <buffer> <F9> <Plug>Tex_Completion
endif
endif
endfunction
augroup LatexSuite
au LatexSuite User LatexSuiteFileType
\ call Tex_Debug('texviewer.vim: Catching LatexSuiteFileType event', 'view') |
\ call Tex_SetTexViewerMaps()
augroup END
command -nargs=1 TLook call Tex_Complete(<q-args>, 'tex')
command -nargs=1 TLookAll call Tex_Complete(<q-args>, 'all')
command -nargs=1 TLookBib call Tex_Complete(<q-args>, 'bib')
" }}}
" ==============================================================================
" Main completion function
" ==============================================================================
" Tex_Complete: main function {{{
" Description:
function! Tex_Complete(what, where)
" Get info about current window and position of cursor in file
let s:winnum = winnr()
let s:pos = Tex_GetPos()
" Change to the directory of the file being edited before running all the
" :grep commands. We will change back to the original directory after we
" finish with the grep.
let s:origdir = fnameescape(getcwd())
exe 'cd '.fnameescape(expand('%:p:h'))
unlet! s:type
unlet! s:typeoption
if Tex_GetVarValue('Tex_WriteBeforeCompletion') == 1
wall
endif
if a:where == "text"
" What to do after <F9> depending on context
let s:curline = strpart(getline('.'), 0, col('.'))
let s:prefix = matchstr(s:curline, '.*{\zs.\{-}\(}\|$\)')
" a command is of the type
" \psfig[option=value]{figure=}
" Thus
" s:curline = '\psfig[option=value]{figure='
" (with possibly some junk before \psfig)
" from which we need to extract
" s:type = 'psfig'
" s:typeoption = '[option=value]'
let pattern = '.*\\\(\w\{-}\)\(\[.\{-}\]\)*{\([^ [\]\t]\+\)\?$'
if s:curline =~ pattern
let s:type = substitute(s:curline, pattern, '\1', 'e')
let s:typeoption = substitute(s:curline, pattern, '\2', 'e')
call Tex_Debug('Tex_Complete: s:type = '.s:type.', typeoption = '.s:typeoption, 'view')
endif
if exists("s:type") && s:type =~ 'ref'
if Tex_GetVarValue('Tex_UseOutlineCompletion') == 1
call Tex_Debug("Tex_Complete: using outline search method", "view")
call Tex_StartOutlineCompletion()
elseif Tex_GetVarValue('Tex_UseSimpleLabelSearch') == 1
call Tex_Debug("Tex_Complete: searching for \\labels in all .tex files in the present directory", "view")
call Tex_Debug("Tex_Complete: silent! grep! ".Tex_EscapeForGrep('\\label{'.s:prefix)." *.tex", 'view')
call Tex_Grep('\\label{'.s:prefix, '*.tex')
call <SID>Tex_SetupCWindow()
elseif Tex_GetVarValue('Tex_ProjectSourceFiles') != ''
call Tex_Debug('Tex_Complete: searching for \\labels in all Tex_ProjectSourceFiles', 'view')
exec 'cd '.fnameescape(Tex_GetMainFileName(':p:h'))
call Tex_Grep('\\label{'.s:prefix, Tex_GetVarValue('Tex_ProjectSourceFiles'))
call <SID>Tex_SetupCWindow()
else
call Tex_Debug("Tex_Complete: calling Tex_GrepHelper", "view")
silent! grep! ____HIGHLY_IMPROBABLE___ %
call Tex_GrepHelper(s:prefix, 'label')
call <SID>Tex_SetupCWindow()
endif
redraw!
elseif exists("s:type") && s:type =~ 'cite'
let s:prefix = matchstr(s:prefix, '\([^,]\+,\)*\zs\([^,]\+\)\ze$')
call Tex_Debug(":Tex_Complete: using s:prefix = ".s:prefix, "view")
if has('python') && Tex_GetVarValue('Tex_UsePython')
\ && Tex_GetVarValue('Tex_UseCiteCompletionVer2') == 1
exe 'cd '.s:origdir
silent! call Tex_StartCiteCompletion()
elseif Tex_GetVarValue('Tex_UseJabref') == 1
exe 'cd '.s:origdir
let g:Remote_WaitingForCite = 1
let citation = input('Enter citation from jabref (<enter> to leave blank): ')
let g:Remote_WaitingForCite = 0
call Tex_CompleteWord(citation, strlen(s:prefix))
else
" grep! nothing %
" does _not_ clear the search history contrary to what the
" help-docs say. This was expected. So use something improbable.
" TODO: Is there a way to clear the search-history w/o making a
" useless, inefficient search?
silent! grep! ____HIGHLY_IMPROBABLE___ %
if g:Tex_RememberCiteSearch && exists('s:citeSearchHistory')
call <SID>Tex_SetupCWindow(s:citeSearchHistory)
else
call Tex_GrepHelper(s:prefix, 'bib')
redraw!
call <SID>Tex_SetupCWindow()
endif
if g:Tex_RememberCiteSearch && &ft == 'qf'
let _a = @a
silent! normal! ggVG"ay
let s:citeSearchHistory = @a
let @a = _a
endif
endif
elseif exists("s:type") && (s:type =~ 'includegraphics' || s:type == 'psfig')
call Tex_SetupFileCompletion(
\ '',
\ '^\.\\|\.tex$\\|\.bib$\\|\.bbl$\\|\.zip$\\|\.gz$',
\ 'noext',
\ Tex_GetVarValue('Tex_ImageDir', '.'),
\ Tex_GetVarValue('Tex_ImageDir', ''))
elseif exists("s:type") && s:type == 'bibliography'
call Tex_SetupFileCompletion(
\ '\.b..$',
\ '',
\ 'noext',
\ '.',
\ '')
elseif exists("s:type") && s:type =~ 'include\(only\)\='
call Tex_SetupFileCompletion(
\ '\.t..$',
\ '',
\ 'noext',
\ '.',
\ '')
elseif exists("s:type") && s:type == 'input'
call Tex_SetupFileCompletion(
\ '',
\ '',
\ 'ext',
\ '.',
\ '')
elseif exists('s:type') && exists("g:Tex_completion_".s:type)
call <SID>Tex_CompleteRefCiteCustom('plugin_'.s:type)
else
let s:word = expand('<cword>')
if s:word == ''
call Tex_SwitchToInsertMode()
return
endif
call Tex_Debug("silent! grep! ".Tex_EscapeForGrep('\<'.s:word.'\>')." *.tex", 'view')
call Tex_Grep('\<'.s:word.'\>', '*.tex')
call <SID>Tex_SetupCWindow()
endif
elseif a:where == 'tex'
" Process :TLook command
call Tex_Grep(a:what, "*.tex")
call <SID>Tex_SetupCWindow()
elseif a:where == 'bib'
" Process :TLookBib command
call Tex_Grep(a:what, "*.bib")
call Tex_Grepadd(a:what, "*.bbl")
call <SID>Tex_SetupCWindow()
elseif a:where == 'all'
" Process :TLookAll command
call Tex_Grep(a:what, "*")
call <SID>Tex_SetupCWindow()
endif
endfunction
" }}}
" Tex_CompleteWord: inserts a word at the chosen location {{{
" Description: This function is meant to be called when the user press
" ``<enter>`` in one of the [Error List] windows which shows the list of
" matches. completeword is the rest of the word which needs to be inserted.
" prefixlength characters are deleted before completeword is inserted
function! Tex_CompleteWord(completeword, prefixlength)
" Set cursor to window and position recorded when completion was invoked.
exe s:winnum.' wincmd w'
call Tex_SetPos(s:pos)
" Complete word, check if add closing }
if a:prefixlength > 0
if a:prefixlength > 1
exe 'normal! '.(a:prefixlength-1).'h'
endif
exe 'normal! '.a:prefixlength.'s'.a:completeword."\<Esc>"
else
exe 'normal! a'.a:completeword."\<Esc>"
endif
if getline('.')[col('.')-1] !~ '{' && getline('.')[col('.')] !~ '}'
exe "normal! a}\<Esc>"
endif
" Return to Insert mode
call Tex_SwitchToInsertMode()
endfunction " }}}
" ==============================================================================
" File name completion helper functons
" ==============================================================================
" Tex_SetupFileCompletion: {{{
" Description:
function! Tex_SetupFileCompletion(accept, reject, ext, dir, root)
call FB_SetVar('FB_AllowRegexp', a:accept)
call FB_SetVar('FB_RejectRegexp', a:reject)
call FB_SetVar('FB_CallBackFunction', 'Tex_CompleteFileName')
call FB_SetVar('FB_CallBackFunctionArgs', '"'.a:ext.'", "'.a:root.'"')
call FB_OpenFileBrowser(a:dir)
endfunction " }}}
" Tex_CompleteFileName: {{{
" Description:
function! Tex_CompleteFileName(filename, ext, root)
let root = (a:root == '' ? Tex_GetMainFileName(':p:h') : a:root)
call Tex_Debug('+Tex_CompleteFileName: getting filename '.a:filename, 'view')
if a:ext == 'noext'
let completeword = fnamemodify(a:filename, ':r')
else
let completeword = a:filename
endif
let completeword = Tex_RelPath(completeword, root)
call Tex_Debug(":Tex_CompleteFileName: completing with ".completeword, "view")
call Tex_CompleteWord(completeword, strlen(s:prefix))
endfunction " }}}
" Tex_Common: common part of strings {{{
function! s:Tex_Common(path1, path2)
" Assume the caller handles 'ignorecase'
if a:path1 == a:path2
return a:path1
endif
let n = 0
while a:path1[n] == a:path2[n]
let n = n+1
endwhile
return strpart(a:path1, 0, n)
endfunction " }}}
" Tex_NormalizePath: {{{
" Description:
function! Tex_NormalizePath(path)
let retpath = a:path
if has("win32") || has("win16") || has("dos32") || has("dos16")
let retpath = substitute(retpath, '\\', '/', 'ge')
endif
if isdirectory(retpath) && retpath !~ '/$'
let retpath = retpath.'/'
endif
return retpath
endfunction " }}}
" Tex_RelPath: ultimate file name {{{
function! Tex_RelPath(explfilename,texfilename)
let path1 = Tex_NormalizePath(a:explfilename)
let path2 = Tex_NormalizePath(a:texfilename)
let n = matchend(<SID>Tex_Common(path1, path2), '.*/')
let path1 = strpart(path1, n)
let path2 = strpart(path2, n)
if path2 !~ '/'
let subrelpath = ''
else
let subrelpath = substitute(path2, '[^/]\{-}/', '../', 'ge')
let subrelpath = substitute(subrelpath, '[^/]*$', '', 'ge')
endif
let relpath = subrelpath.path1
return escape(Tex_NormalizePath(relpath), ' ')
endfunction " }}}
" ==============================================================================
" Helper functions for dealing with the 'quickfix' and 'preview' windows.
" ==============================================================================
" Tex_SetupCWindow: set maps and local settings for cwindow {{{
" Description: Set local maps jkJKq<cr> for cwindow. Also size and basic
" settings
"
function! s:Tex_SetupCWindow(...)
call Tex_Debug('+Tex_SetupCWindow', 'view')
cclose
exe 'copen '. g:Tex_ViewerCwindowHeight
" If called with an argument, it means we want to re-use some search
" history from last time. Therefore, just paste it here and proceed.
if a:0 == 1
set modifiable
% d _
silent! 0put!=a:1
$ d _
endif
setlocal nonumber
setlocal nowrap
let s:scrollOffVal = &scrolloff
call <SID>Tex_SyncPreviewWindow()
" If everything went well, then we should be situated in the quickfix
" window. If there were problems, (no matches etc), then we will not be.
" Therefore return.
if &ft != 'qf'
call Tex_Debug('not in quickfix window, quitting', 'view')
return
endif
nnoremap <buffer> <silent> j j:call <SID>Tex_SyncPreviewWindow()<CR>
nnoremap <buffer> <silent> k k:call <SID>Tex_SyncPreviewWindow()<CR>
nnoremap <buffer> <silent> <up> <up>:call <SID>Tex_SyncPreviewWindow()<CR>
nnoremap <buffer> <silent> <down> <down>:call <SID>Tex_SyncPreviewWindow()<CR>
" Change behaviour of <cr> only for 'ref' and 'cite' context.
if exists("s:type") && s:type =~ 'ref\|cite'
exec 'nnoremap <buffer> <silent> <cr> '
\ .':set scrolloff='.s:scrollOffVal.'<CR>'
\ .':cd '.s:origdir.'<CR>'
\ .':silent! call <SID>Tex_CompleteRefCiteCustom("'.s:type.'")<CR>'
else
" In other contexts jump to place described in cwindow and close small
" windows
exec 'nnoremap <buffer> <silent> <cr> '
\ .':set scrolloff='.s:scrollOffVal.'<CR>'
\ .':cd '.s:origdir.'<CR>'
\ .':call <SID>Tex_GoToLocation()<cr>'
endif
" Scroll the preview window while in the quickfix window
nnoremap <buffer> <silent> J :wincmd j<cr><c-e>:wincmd k<cr>
nnoremap <buffer> <silent> K :wincmd j<cr><c-y>:wincmd k<cr>
" Exit the quickfix window without doing anything.
exe 'nnoremap <buffer> <silent> q '
\ .':set scrolloff='.s:scrollOffVal.'<CR>'
\ .':cd '.s:origdir.'<CR>'
\ .':call Tex_CloseSmallWindows()<CR>'
endfunction " }}}
" Tex_CompleteRefCiteCustom: complete/insert name for current item {{{
" Description: handle completion of items depending on current context
"
function! s:Tex_CompleteRefCiteCustom(type)
let prefixlength=strlen(s:prefix)
if a:type =~ 'cite'
if getline('.') =~ '\\bibitem\s*{'
let bibkey = matchstr(getline('.'), '\\bibitem\s*{\zs.\{-}\ze}')
else
let bibkey = matchstr(getline('.'), '\\bibitem\s*\[.\{-}\]\s*{\zs.\{-}\ze}')
endif
let completeword = bibkey
elseif a:type =~ 'ref'
let label = matchstr(getline('.'), '\\label{\zs.\{-}\ze}')
let completeword = label
elseif a:type =~ '^plugin_'
let type = substitute(a:type, '^plugin_', '', '')
let completeword = <SID>Tex_DoCompletion(type)
" use old behaviour for plugins because of backward compatibility
let prefixlength=0
endif
call Tex_CloseSmallWindows()
call Tex_Debug(":Tex_CompleteRefCiteCustom: completing with ".completeword, "view")
call Tex_CompleteWord(completeword, prefixlength)
endfunction " }}}
" Tex_SyncPreviewWindow: synchronize quickfix and preview window {{{
" Description: Usually quickfix engine takes care about most of these things
" but we discard it for better control of events.
"
function! s:Tex_SyncPreviewWindow()
call Tex_Debug('+Tex_SyncPreviewWindow', 'view')
let viewfile = matchstr(getline('.'), '^\f*\ze|\d')
let viewline = matchstr(getline('.'), '|\zs\d\+\ze')
" Hilight current line in cwindow
" Normally hightlighting is done with quickfix engine but we use something
" different and have to do it separately
syntax clear
runtime syntax/qf.vim
exe 'syn match vTodo /\%'. line('.') .'l.*/'
hi link vTodo Todo
" Close preview window and open it again in new place
pclose
exe 'silent! bot pedit +'.viewline.' '.viewfile
" Vanilla 6.1 has bug. This additional setting of cwindow height prevents
" resizing of this window
exe g:Tex_ViewerCwindowHeight.' wincmd _'
" Handle situation if there is no item beginning with s:prefix.
" Unfortunately, because we know it late we have to close everything and
" return as in complete process
if v:errmsg =~ 'E32\>'
exe s:winnum.' wincmd w'
call Tex_SetPos(s:pos)
pclose!
cclose
if exists("s:prefix")
echomsg 'No bibkey, label or word beginning with "'.s:prefix.'"'
endif
call Tex_SwitchToInsertMode()
let v:errmsg = ''
call Tex_Debug('Tex_SyncPreviewWindow: got error E32, no matches found, quitting', 'view')
return 0
endif
" Move to preview window. Really is it under cwindow?
wincmd j
" Settings of preview window
exe g:Tex_ViewerPreviewHeight.' wincmd _'
setlocal nofoldenable
if exists('s:type') && s:type =~ 'cite'
" In cite context place bibkey at the top of preview window.
setlocal scrolloff=0
normal! zt
else
" In other contexts in the middle. Highlight this line?
setlocal scrolloff=100
normal! z.
endif
" Return to cwindow
wincmd p
endfunction " }}}
" Tex_CloseSmallWindows: {{{
" Description:
"
function! Tex_CloseSmallWindows()
pclose!
cclose
exe s:winnum.' wincmd w'
call Tex_SetPos(s:pos)
endfunction " }}}
" Tex_GoToLocation: Go to chosen location {{{
" Description: Get number of current line and go to this number
"
function! s:Tex_GoToLocation()
pclose!
let errmsg = v:errmsg
let v:errmsg = ''
exe 'silent! cc ' . line('.')
" If the current buffer is modified, then split
if v:errmsg =~ '^E37:'
split
exe 'silent! cc ' . line('.')
endif
cclose
let v:errmsg = errmsg
endfunction " }}}
" ==============================================================================
" Functions for finding \\label's or \\bibitem's in the main file.
" ==============================================================================
" Tex_GrepHelper: grep main filename for \\bibitem's or \\label's {{{
" Description:
function! Tex_GrepHelper(prefix, what)
let _path = &path
let _suffixesadd = &suffixesadd
let _hidden = &hidden
let mainfname = Tex_GetMainFileName(':p')
" If we are already editing the file, then use :split without any
" arguments so it works even if the file is modified.
" FIXME: If mainfname is being presently edited in another window and
" is 'modified', then the second split statement will not work.
" We will need to travel to that window and back.
if mainfname == expand('%:p')
split
else
exec 'split '.fnameescape(mainfname)
endif
let pos = Tex_GetPos()
if a:what =~ 'bib'
call Tex_ScanFileForCite(a:prefix)
else
call Tex_ScanFileForLabels(a:prefix)
endif
call Tex_SetPos(pos)
q
let &path = _path
let &suffixesadd = _suffixesadd
endfunction " }}}
" Tex_ScanFileForCite: search for \bibitem's in .bib or .bbl or tex files {{{
" Description:
" Search for bibliographic entries in the presently edited file in the
" following manner:
" 1. First see if the file has a \bibliography command.
" If YES:
" 1. If a .bib file corresponding to the \bibliography command can be
" found, then search for '@.*'.a:prefix inside it.
" 2. Otherwise, if a .bbl file corresponding to the \bibliography command
" can be found, then search for '\bibitem'.a:prefix inside it.
" 2. Next see if the file has a \thebibliography environment
" If YES:
" 1. Search for '\bibitem'.a:prefix in this file.
"
" If neither a \bibliography or \begin{thebibliography} are found, then repeat
" steps 1 and 2 for every file \input'ed into this file. Abort any searching
" as soon as the first \bibliography or \begin{thebibliography} is found.
function! Tex_ScanFileForCite(prefix)
call Tex_Debug('+Tex_ScanFileForCite: searching for bibkeys in '.bufname('%').' (buffer #'.bufnr('%').')', 'view')
let presBufNum = bufnr('%')
let foundCiteFile = 0
" First find out if this file has a \bibliography command in it. If so,
" assume that this is the only file in the project which defines a
" bibliography.
if search('\\\(no\)\?bibliography{', 'w')
call Tex_Debug('Tex_ScanFileForCite: found bibliography command in '.bufname('%'), 'view')
" convey that we have found a bibliography command. we do not need to
" proceed any further.
let foundCiteFile = 1
" extract the bibliography filenames from the command.
let bibnames = matchstr(getline('.'), '\\\(no\)\?bibliography{\zs.\{-}\ze}')
let bibnames = substitute(bibnames, '\s', '', 'g')
call Tex_Debug('trying to search through ['.bibnames.']', 'view')
let &path = '.,'.g:Tex_BIBINPUTS
let i = 1
while 1
let bibname = Tex_Strntok(bibnames, ',', i)
if bibname == ''
break
endif
" first try to find if a .bib file exists. If so do not search in
" the corresponding .bbl file. (because the .bbl file will most
" probly be generated automatically from the .bib file with
" bibtex).
let fname = Tex_FindFile(bibname, '.,'.g:Tex_BIBINPUTS, '.bib')
if fname != ''
call Tex_Debug('finding .bib file ['.bufname('%').']', 'view')
exec 'split '.Tex_EscapeSpaces(fname)
call Tex_Grepadd('@.*{'.a:prefix, "%")
q
else
let fname = Tex_FindFile(bibname, '.,'.g:Tex_BIBINPUTS, '.bbl')
if fname != ''
exec 'split '.Tex_EscapeSpaces(fname)
call Tex_Debug('finding .bbl file ['.bufname('.').']', 'view')
call Tex_Grepadd('\\bibitem{'.a:prefix, "%")
q
endif
endif
let i = i + 1
endwhile
if foundCiteFile
return 1
endif
endif
" If we have a thebibliography environment, then again assume that this is
" the only file which defines the bib-keys. Aand convey this information
" upwards by returning 1.
if search('^\s*\\begin{thebibliography}', 'w')
call Tex_Debug('got a thebibliography environment in '.bufname('%'), 'view')
let foundCiteFile = 1
split
exec 'lcd'.fnameescape(expand('%:p:h'))
call Tex_Debug("silent! grepadd! ".Tex_EscapeForGrep('\\bibitem{'.a:prefix)." %", 'view')
call Tex_Grepadd('\\bibitem\s*[\[|{]'.a:prefix, "%")
q
return 1
endif
" If we have not found any \bibliography or \thebibliography environment
" in this file, search for these environments in all the files which this
" file includes.
exec 0
let wrap = 'w'
while search('^\s*\\\(input\|include\)', wrap)
let wrap = 'W'
let filename = matchstr(getline('.'), '\\\(input\|include\){\zs.\{-}\ze}')
let foundfile = Tex_FindFile(filename, '.,'.g:Tex_TEXINPUTS, '.tex')
if foundfile != ''
exec 'split '.Tex_EscapeSpaces(foundfile)
call Tex_Debug('scanning recursively in ['.foundfile.']', 'view')
let foundCiteFile = Tex_ScanFileForCite(a:prefix)
q
endif
if foundCiteFile
return 1
endif
endwhile
return 0
endfunction " }}}
" Tex_ScanFileForLabels: greps present file and included files for \\label's {{{
" Description:
" Grep the presently edited file for \\label's. If the present file \include's
" or \input's other files, then recursively scan those as well, i.e we support
" arbitrary levels of \input'ed-ness.
function! Tex_ScanFileForLabels(prefix)
call Tex_Debug("+Tex_ScanFileForLabels: grepping in file [".bufname('%')."]", "view")
exec 'lcd'.fnameescape(expand('%:p:h'))
call Tex_Grepadd('\\label{'.a:prefix, "%")
" Then recursively grep for all \include'd or \input'ed files.
exec 0
let wrap = 'w'
while search('^\s*\\\(input\|include\)', wrap)
let wrap = 'W'
let filename = matchstr(getline('.'), '\\\(input\|include\){\zs.\{-}\ze}')
let foundfile = Tex_FindFile(filename, '.,'.Tex_TEXINPUTS, '.tex')
if foundfile != ''
exec 'split '.Tex_EscapeSpaces(foundfile)
call Tex_Debug('Tex_ScanFileForLabels: scanning recursively in ['.foundfile.']', 'view')
call Tex_ScanFileForLabels(a:prefix)
q
endif
endwhile
endfunction " }}}
" ==============================================================================
" Functions for custom command completion
" ==============================================================================
" Tex_completion_{var}: similar variables can be set in package files {{{
let g:Tex_completion_bibliographystyle = 'abbr,alpha,plain,unsrt'
let g:Tex_completion_addtocontents = 'lof}{,lot}{,toc}{'
let g:Tex_completion_addcontentsline = 'lof}{figure}{,lot}{table}{,toc}{chapter}{,toc}{part}{,'.
\ 'toc}{section}{,toc}{subsection}{,toc}{paragraph}{,'.
\ 'toc}{subparagraph}{'
" }}}
" Tex_PromptForCompletion: prompts for a completion {{{
" Description:
function! s:Tex_PromptForCompletion(texcommand,ask)
let common_completion_prompt =
\ Tex_CreatePrompt(g:Tex_completion_{a:texcommand}, 2, ',') . "\n" .
\ 'Enter number or completion: '
let inp = input(a:ask."\n".common_completion_prompt)
if inp =~ '^[0-9]\+$'
let completion = Tex_Strntok(g:Tex_completion_{a:texcommand}, ',', inp)
else
let completion = inp
endif
return completion
endfunction " }}}
" Tex_DoCompletion: fast insertion of completion {{{
" Description:
"
function! s:Tex_DoCompletion(texcommand)
let completion = <SID>Tex_PromptForCompletion(a:texcommand, 'Choose a completion to insert: ')
if completion != ''
return completion
else
return ''
endif
endfunction " }}}
" ==============================================================================
" Functions for presenting an outlined version for completion
" ==============================================================================
" Tex_StartOutlineCompletion: sets up an outline window {{{
" get the place where this plugin resides for setting cpt and dict options.
" these lines need to be outside the function.
let s:path = expand('<sfile>:p:h')
if has('python') && Tex_GetVarValue('Tex_UsePython')
python import sys, re
exec "python sys.path += [r'". s:path . "']"
python import outline
endif
function! Tex_StartOutlineCompletion()
let mainfname = Tex_GetMainFileName(':p')
" open the buffer
let _report = &report
let _cmdheight=&cmdheight
let _lazyredraw = &lazyredraw
set report=1000
set cmdheight=1
set lazyredraw
if has('python') && Tex_GetVarValue('Tex_UsePython')
python retval = outline.main(vim.eval("Tex_GetMainFileName(':p')"), vim.eval("s:prefix"))
" transfer variable from python to a local variable.
python vim.command("""let retval = "%s" """ % re.sub(r'"|\\', r'\\\g<0>', retval))
else
let retval = system(shellescape(s:path.'/outline.py').' '.shellescape(mainfname).' '.shellescape(s:prefix))
endif
bot split __OUTLINE__
exec Tex_GetVarValue('Tex_OutlineWindowHeight', 15).' wincmd _'
setlocal modifiable
setlocal noswapfile
setlocal buftype=nowrite
setlocal bufhidden=delete
setlocal nowrap
setlocal foldmethod=marker
setlocal foldmarker=<<<,>>>
" delete everything in it to the blackhole
% d _
0put!=retval
0
call Tex_SetupOutlineSyntax()
exec 'nnoremap <buffer> <cr> '
\ .':cd '.s:origdir.'<CR>'
\ .':call Tex_FinishOutlineCompletion()<CR>'
exec 'nnoremap <buffer> q '
\ .':cd '.s:origdir.'<CR>'
\ .':close<CR>'
\ .':call Tex_SwitchToInsertMode()<CR>'
" once the buffer is initialized, go back to the original settings.
setlocal nomodifiable
setlocal nomodified
let &report = _report
let &cmdheight = _cmdheight
let &lazyredraw = _lazyredraw
endfunction " }}}
" Tex_SetupOutlineSyntax: sets up the syntax items for the outline {{{
" Description:
function! Tex_SetupOutlineSyntax()
syn match outlineFileName "<\f\+>$" contained
syn match foldMarkers "<<<\d$" contained
syn match firstSemiColon '^:' contained
syn match firstAngle '^>' contained
syn match sectionNames '\(\d\.\)\+ .*' contains=foldMarkers
syn match previousLine '^:.*' contains=firstSemiColon
syn match labelLine '^>.*' contains=firstAngle,outlineFileName
hi def link outlineFileName Ignore
hi def link foldMarkers Ignore
hi def link firstSemiColon Ignore
hi def link firstAngle Ignore
hi def link sectionNames Type
hi def link previousLine Special
hi def link labelLine Comment
endfunction " }}}
" Tex_FinishOutlineCompletion: inserts the reference back in the text {{{
function! Tex_FinishOutlineCompletion()
if getline('.') !~ '^[>:]'
return
endif
if getline('.') =~ '^>'
let ref_complete = matchstr(getline('.'), '^>\s\+\zs\S\+\ze')
elseif getline('.') =~ '^:'
let ref_complete = matchstr(getline(line('.')-1), '^>\s\+\zs\S\+\ze')
endif
close
call Tex_CompleteWord(ref_complete, strlen(s:prefix))
endfunction " }}}
" ==============================================================================
" Functions for presenting a nicer list of bibtex entries
" ==============================================================================
" Tex_FindBibFiles: finds all .bib files used by the main file {{{
" Description:
function! Tex_FindBibFiles()
call Tex_Debug(":Tex_FindBibFiles: ", "view")
let mainfname = Tex_GetMainFileName(':p')
new
exec 'e ' . fnameescape(mainfname)
if search('\\\(no\)\?bibliography{', 'w')
call Tex_Debug('Tex_FindBibFiles: found bibliography command in '.bufname('%'), 'view')
" extract the bibliography filenames from the command.
let bibnames = matchstr(getline('.'), '\\\(no\)\?bibliography{\zs.\{-}\ze}')
let bibnames = substitute(bibnames, '\s', '', 'g')
call Tex_Debug(':Tex_FindBibFiles: trying to search through ['.bibnames.']', 'view')
let bibfiles = ''
let i = 1
while 1
let bibname = Tex_Strntok(bibnames, ',', i)
if bibname == ''
break
endif
let fname = Tex_FindFile(bibname, '.,'.g:Tex_BIBINPUTS, '.bib')
if fname != ''
let bibfiles = bibfiles.fname."\n"
endif
let i = i + 1
endwhile
call Tex_Debug(":Tex_FindBibFiles: returning [".bibfiles."]", "view")
q
return bibfiles
else
q
return ''
endif
endfunction " }}}
" Tex_StartBibtexOutline: sets up an outline window {{{
" get the place where this plugin resides for setting cpt and dict options.
" these lines need to be outside the function.
if has('python') && Tex_GetVarValue('Tex_UsePython')
python import sys, re
exec "python sys.path += [r'". s:path . "']"
python import bibtools
endif
function! Tex_StartCiteCompletion()
let bibfiles = Tex_FindBibFiles()
if bibfiles !~ '\S'
call Tex_SwitchToInsertMode()
echohl WarningMsg
echomsg 'No bibfiles found! Sorry'
echohl None
return
endif
bot split __OUTLINE__
exec Tex_GetVarValue('Tex_OutlineWindowHeight', 15).' wincmd _'
exec 'python Tex_BibFile = bibtools.BibFile("""'.bibfiles.'""")'
exec 'python Tex_BibFile.addfilter("key ^'.s:prefix.'")'
call Tex_DisplayBibList()
nnoremap <buffer> <Plug>Tex_JumpToNextBibEntry :call search('^\S.*\]$', 'W')<CR>:call Tex_EchoBibShortcuts()<CR>z.
nnoremap <buffer> <Plug>Tex_JumpToPrevBibEntry :call search('^\S.*\]$', 'bW')<CR>:call Tex_EchoBibShortcuts()<CR>z.
nnoremap <buffer> <Plug>Tex_FilterBibEntries :call Tex_HandleBibShortcuts('filter')<CR>
nnoremap <buffer> <Plug>Tex_RemoveBibFilters :call Tex_HandleBibShortcuts('remove_filters')<CR>
nnoremap <buffer> <Plug>Tex_SortBibEntries :call Tex_HandleBibShortcuts('sort')<CR>
nnoremap <buffer> <Plug>Tex_CompleteCiteEntry :call Tex_CompleteCiteEntry()<CR>
nmap <buffer> <silent> n <Plug>Tex_JumpToNextBibEntry
nmap <buffer> <silent> p <Plug>Tex_JumpToPrevBibEntry
nmap <buffer> <silent> f <Plug>Tex_FilterBibEntries
nmap <buffer> <silent> s <Plug>Tex_SortBibEntries
nmap <buffer> <silent> a <Plug>Tex_RemoveBibFilters
nmap <buffer> <silent> q :close<CR>:call Tex_SwitchToInsertMode()<CR>
nmap <buffer> <silent> <CR> <Plug>Tex_CompleteCiteEntry
endfunction " }}}
" Tex_DisplayBibList: displays the list of bibtex entries {{{
" Description:
function! Tex_DisplayBibList()
" open the buffer
let _report = &report
let _cmdheight=&cmdheight
let _lazyredraw = &lazyredraw
set report=1000
set cmdheight=1
set lazyredraw
setlocal modifiable
setlocal noswapfile
setlocal buftype=nowrite
setlocal bufhidden=delete
setlocal nowrap
setlocal foldmethod=marker
setlocal foldmarker=<<<,>>>
" delete everything in it to the blackhole
% d _
exec 'python Tex_CurBuf = vim.current.buffer'
exec 'python Tex_CurBuf[:] = str(Tex_BibFile).splitlines()'
call Tex_SetupBibSyntax()
0
call Tex_EchoBibShortcuts()
" once the buffer is initialized, go back to the original settings.
setlocal nomodifiable
setlocal nomodified
let &report = _report
let &cmdheight = _cmdheight
let &lazyredraw = _lazyredraw
endfunction " }}}
" Tex_EchoBibShortcuts: echos all the shortcuts in the status line {{{
" Description:
function! Tex_EchoBibShortcuts()
echomsg '(a) all (f) filter (s) sort (n) next (p) previous (q) quit (<CR>) choose'
endfunction " }}}
" Tex_SetupBibSyntax: sets up the syntax items for the outline {{{
" Description:
function! Tex_SetupBibSyntax()
syn match BibTitleHeader "^TI" contained
syn match BibAuthorHeader "^AU" contained
syn match BibLocationHeader "^IN" contained
syn match BibMiscHeader "^MI" contained
syn match BibKeyLine '^\S.*\]$' contains=BibKey
syn match BibTitle "^TI .*" contains=BibTitleHeader
syn match BibAuthor "^AU .*" contains=BibAuthorHeader
syn match BibLocation "^IN .*" contains=BibLocationHeader
syn match BibMisc "^MI .*" contains=BibMiscHeader
hi def link BibTitleHeader Ignore
hi def link BibAuthorHeader Ignore
hi def link BibLocationHeader Ignore
hi def link BibMiscHeader Ignore
hi def link BibKeyLine Visual
hi def link BibTitle Type
hi def link BibAuthor Special
hi def link BibLocation Comment
hi def link BibMisc Comment
endfunction " }}}
" Tex_HandleBibShortcuts: handles user keypresses {{{
" Description:
function! Tex_HandleBibShortcuts(command)
if a:command == 'filter' || a:command == 'sort'
let fieldprompt =
\ "Field acronyms: (`:let g:Tex_EchoBibFields = 0` to avoid this message)\n" .
\ " [t] title [a] author [b] booktitle \n" .
\ " [j] journal [y] year [p] bibtype \n" .
\ " (you can also enter the complete field name) \n"
let fieldprompt = Tex_GetVarValue('Tex_BibFieldPrompt', fieldprompt)
if Tex_GetVarValue('Tex_EchoBibFields', 1) == 1
echo fieldprompt
endif
let inp = input('Enter '.a:command.' criterion [field<space>value]: ')
if inp !~ '\v^\S+\s+\S.*'
echohl WarningMsg
echomsg 'Invalid filter specification. Use "field<space>value"'
echohl None
return
endif
if inp != ''
" If the field is specified as a single character, then replace
" it with the corresponding 'full form'.
if inp =~ '^[a-z]\>'
if Tex_GetVarValue('Tex_BibAcronym_'.inp[0]) != ''
let inp = substitute(inp, '.', Tex_GetVarValue('Tex_BibAcronym_'.inp[0]), '')
elseif fieldprompt =~ '\['.inp[0].'\]'
let full = matchstr(fieldprompt, '\['.inp[0].'\] \zs\w\+\ze')
let inp = substitute(inp, '.', full, '')
endif
endif
call Tex_Debug(":Tex_HandleBibShortcuts: using inp = [".inp."]", "view")
if a:command == 'filter'
exec 'python Tex_BibFile.addfilter("'.inp.'")'
elseif a:command == 'sort'
exec "python Tex_BibFile.addsortfield(\"".inp."\")"
exec 'python Tex_BibFile.sort()'
endif
silent! call Tex_DisplayBibList()
endif
elseif a:command == 'remove_filters'
exec 'python Tex_BibFile.rmfilters()'
exec 'python Tex_BibFile.addfilter("key ^'.s:prefix.'")'
call Tex_DisplayBibList()
endif
endfunction " }}}
" Tex_CompleteCiteEntry: completes cite entry {{{
" Description:
function! Tex_CompleteCiteEntry()
normal! 0
call search('\[\S\+\]$', 'W')
if getline('.') !~ '\[\S\+\]$'
call search('\[\S\+\]$', 'bW')
endif
if getline('.') !~ '\[\S\+\]$'
return
endif
let ref = matchstr(getline('.'), '\[\zs\S\+\ze\]$')
close
call Tex_Debug(":Tex_CompleteCiteEntry: completing with ".ref, "view")
call Tex_CompleteWord(ref, strlen(s:prefix))
endfunction " }}}
" Tex_SwitchToInsertMode: Switch to insert mode {{{
" Description: This is usually called when completion is finished
function! Tex_SwitchToInsertMode()
call Tex_Debug(":Tex_SwitchToInsertMode: ", "view")
if col('.') == strlen(getline('.'))
startinsert!
else
normal! l
startinsert
endif
endfunction " }}}
com! -nargs=0 TClearCiteHist unlet! s:citeSearchHistory
" vim:fdm=marker:nowrap:noet:ff=unix:ts=4:sw=4
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