configfiles/vim/.vim/autoload/tlib/buffer.vim

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" buffer.vim
" @Author: Tom Link (micathom AT gmail com?subject=[vim])
" @Website: http://www.vim.org/account/profile.php?user_id=4037
" @License: GPL (see http://www.gnu.org/licenses/gpl.txt)
" @Created: 2007-06-30.
" @Last Change: 2015-05-20.
" @Revision: 0.1.352
" Where to display the line when using |tlib#buffer#ViewLine|.
" For possible values for position see |scroll-cursor|.
TLet g:tlib_viewline_position = 'zz'
let s:bmru = []
function! tlib#buffer#EnableMRU() "{{{3
call tlib#autocmdgroup#Init()
autocmd TLib BufEnter * call s:BMRU_Push(bufnr('%'))
endf
function! tlib#buffer#DisableMRU() "{{{3
call tlib#autocmdgroup#Init()
autocmd! TLib BufEnter
endf
function! s:BMRU_Push(bnr) "{{{3
let i = index(s:bmru, a:bnr)
if i >= 0
call remove(s:bmru, i)
endif
call insert(s:bmru, a:bnr)
endf
function! s:CompareBuffernameByBasename(a, b) "{{{3
let rx = '"\zs.\{-}\ze" \+\S\+ \+\d\+$'
let an = matchstr(a:a, rx)
let an = fnamemodify(an, ':t')
let bn = matchstr(a:b, rx)
let bn = fnamemodify(bn, ':t')
let rv = an == bn ? 0 : an > bn ? 1 : -1
return rv
endf
function! s:CompareBufferNrByMRU(a, b) "{{{3
let an = matchstr(a:a, '\s*\zs\d\+\ze')
let bn = matchstr(a:b, '\s*\zs\d\+\ze')
let ai = index(s:bmru, 0 + an)
if ai == -1
return 1
else
let bi = index(s:bmru, 0 + bn)
if bi == -1
return -1
else
return ai == bi ? 0 : ai > bi ? 1 : -1
endif
endif
endf
" Set the buffer to buffer and return a command as string that can be
" evaluated by |:execute| in order to restore the original view.
function! tlib#buffer#Set(buffer) "{{{3
let lazyredraw = &lazyredraw
set lazyredraw
try
let cb = bufnr('%')
let sn = bufnr(a:buffer)
if sn != cb
let ws = bufwinnr(sn)
if ws != -1
let wb = bufwinnr('%')
exec ws.'wincmd w'
return wb.'wincmd w'
else
silent exec 'sbuffer! '. sn
return 'wincmd c'
endif
else
return ''
endif
finally
let &lazyredraw = lazyredraw
endtry
endf
" :def: function! tlib#buffer#Eval(buffer, code)
" Evaluate CODE in BUFFER.
"
" EXAMPLES: >
" call tlib#buffer#Eval('foo.txt', 'echo b:bar')
function! tlib#buffer#Eval(buffer, code) "{{{3
" let cb = bufnr('%')
" let wb = bufwinnr('%')
" " TLogVAR cb
" let sn = bufnr(a:buffer)
" let sb = sn != cb
let lazyredraw = &lazyredraw
set lazyredraw
let restore = tlib#buffer#Set(a:buffer)
try
exec a:code
" if sb
" let ws = bufwinnr(sn)
" if ws != -1
" try
" exec ws.'wincmd w'
" exec a:code
" finally
" exec wb.'wincmd w'
" endtry
" else
" try
" silent exec 'sbuffer! '. sn
" exec a:code
" finally
" wincmd c
" endtry
" endif
" else
" exec a:code
" endif
finally
exec restore
let &lazyredraw = lazyredraw
endtry
endf
" :def: function! tlib#buffer#GetList(?show_hidden=0, ?show_number=0, " ?order='bufnr')
" Possible values for the "order" argument:
" bufnr :: Default behaviour
" mru :: Sort buffers according to most recent use
" basename :: Sort by the file's basename (last component)
"
" NOTE: MRU order works on second invocation only. If you want to always
" use MRU order, call tlib#buffer#EnableMRU() in your ~/.vimrc file.
function! tlib#buffer#GetList(...)
TVarArg ['show_hidden', 0], ['show_number', 0], ['order', '']
" TLogVAR show_hidden, show_number, order
let ls_bang = show_hidden ? '!' : ''
redir => bfs
exec 'silent ls'. ls_bang
redir END
let buffer_list = split(bfs, '\n')
if order == 'mru'
if empty(s:bmru)
call tlib#buffer#EnableMRU()
echom 'tlib: Installed Buffer MRU logger; disable with: call tlib#buffer#DisableMRU()'
else
call sort(buffer_list, function('s:CompareBufferNrByMRU'))
endif
elseif order == 'basename'
call sort(buffer_list, function('s:CompareBuffernameByBasename'))
endif
let buffer_nr = map(copy(buffer_list), 'str2nr(matchstr(v:val, ''\s*\zs\d\+\ze''))')
" TLogVAR buffer_list, buffer_nr
if show_number
call map(buffer_list, 'matchstr(v:val, ''^\s*\d\+.\{-}\ze\s\+\S\+ \d\+\s*$'')')
else
call map(buffer_list, 'matchstr(v:val, ''^\s*\d\+\zs.\{-}\ze\s\+\S\+ \d\+\s*$'')')
endif
" TLogVAR buffer_list
" call map(buffer_list, 'matchstr(v:val, ''^.\{-}\ze\s\+line \d\+\s*$'')')
" TLogVAR buffer_list
call map(buffer_list, 'matchstr(v:val, ''^[^"]\+''). printf("%-20s %s", fnamemodify(matchstr(v:val, ''"\zs.\{-}\ze"$''), ":t"), fnamemodify(matchstr(v:val, ''"\zs.\{-}\ze"$''), ":h"))')
" TLogVAR buffer_list
return [buffer_nr, buffer_list]
endf
" :def: function! tlib#buffer#ViewLine(line, ?position='z')
" line is either a number or a string that begins with a number.
" For possible values for position see |scroll-cursor|.
" See also |g:tlib_viewline_position|.
function! tlib#buffer#ViewLine(line, ...) "{{{3
if a:line
TVarArg 'pos'
let ln = matchstr(a:line, '^\d\+')
let lt = matchstr(a:line, '^\d\+: \zs.*')
" TLogVAR pos, ln, lt
exec ln
if empty(pos)
let pos = tlib#var#Get('tlib_viewline_position', 'wbg')
endif
" TLogVAR pos
if !empty(pos)
exec 'norm! '. pos
endif
call tlib#buffer#HighlightLine(ln)
" let @/ = '\%'. ln .'l.*'
endif
endf
function! s:UndoHighlightLine() "{{{3
3match none
autocmd! TLib CursorMoved,CursorMovedI <buffer>
autocmd! TLib CursorHold,CursorHoldI <buffer>
autocmd! TLib InsertEnter,InsertChange,InsertLeave <buffer>
autocmd! TLib BufLeave,BufWinLeave,WinLeave,BufHidden <buffer>
endf
function! tlib#buffer#HighlightLine(...) "{{{3
TVarArg ['line', line('.')]
" exec '3match MatchParen /^\%'. a:line .'l.*/'
exec '3match Search /^\%'. line .'l.*/'
call tlib#autocmdgroup#Init()
exec 'autocmd TLib CursorMoved,CursorMovedI <buffer> if line(".") != '. line .' | call s:UndoHighlightLine() | endif'
autocmd TLib CursorHold,CursorHoldI <buffer> call s:UndoHighlightLine()
autocmd TLib InsertEnter <buffer> call s:UndoHighlightLine()
" autocmd TLib BufLeave,BufWinLeave,WinLeave,BufHidden <buffer> call s:UndoHighlightLine()
endf
" Delete the lines in the current buffer. Wrapper for |:delete|.
function! tlib#buffer#DeleteRange(line1, line2) "{{{3
let r = @t
try
exec a:line1.','.a:line2.'delete t'
finally
let @t = r
endtry
endf
" Replace a range of lines.
function! tlib#buffer#ReplaceRange(line1, line2, lines)
call tlib#buffer#DeleteRange(a:line1, a:line2)
call append(a:line1 - 1, a:lines)
endf
" Initialize some scratch area at the bottom of the current buffer.
function! tlib#buffer#ScratchStart() "{{{3
norm! Go
let b:tlib_inbuffer_scratch = line('$')
return b:tlib_inbuffer_scratch
endf
" Remove the in-buffer scratch area.
function! tlib#buffer#ScratchEnd() "{{{3
if !exists('b:tlib_inbuffer_scratch')
echoerr 'tlib: In-buffer scratch not initalized'
endif
call tlib#buffer#DeleteRange(b:tlib_inbuffer_scratch, line('$'))
unlet b:tlib_inbuffer_scratch
endf
" Run exec on all buffers via bufdo and return to the original buffer.
function! tlib#buffer#BufDo(exec) "{{{3
let bn = bufnr('%')
exec 'bufdo '. a:exec
exec 'buffer! '. bn
endf
" :def: function! tlib#buffer#InsertText(text, keyargs)
" Keyargs:
" 'shift': 0|N
" 'col': col('.')|N
" 'lineno': line('.')|N
" 'indent': 0|1
" 'pos': 'e'|'s' ... Where to locate the cursor (somewhat like s and e in {offset})
" Insert text (a string) in the buffer.
function! tlib#buffer#InsertText(text, ...) "{{{3
TVarArg ['keyargs', {}]
" TLogVAR a:text, keyargs
TKeyArg keyargs, ['shift', 0], ['col', col('.')], ['lineno', line('.')], ['pos', 'e'],
\ ['indent', 0]
" TLogVAR shift, col, lineno, pos, indent
let grow = 0
let post_del_last_line = line('$') == 1
let line = getline(lineno)
if col + shift > 0
let pre = line[0 : (col - 1 + shift)]
let post = line[(col + shift): -1]
else
let pre = ''
let post = line
endif
" TLogVAR lineno, line, pre, post
let text0 = pre . a:text . post
let text = split(text0, '\n', 1)
" TLogVAR text
let icol = len(pre)
" exec 'norm! '. lineno .'G'
call cursor(lineno, col)
if indent && col > 1
if &fo =~# '[or]'
" FIXME: Is the simple version sufficient?
" VERSION 1
" " This doesn't work because it's not guaranteed that the
" " cursor is set.
" let cline = getline('.')
" norm! a
" "norm! o
" " TAssertExec redraw | sleep 3
" let idt = strpart(getline('.'), 0, col('.') + shift)
" " TLogVAR idt
" let idtl = len(idt)
" -1,.delete
" " TAssertExec redraw | sleep 3
" call append(lineno - 1, cline)
" call cursor(lineno, col)
" " TAssertExec redraw | sleep 3
" if idtl == 0 && icol != 0
" let idt = matchstr(pre, '^\s\+')
" let idtl = len(idt)
" endif
" VERSION 2
let idt = matchstr(pre, '^\s\+')
let idtl = len(idt)
else
let [m_0, idt, iline; rest] = matchlist(pre, '^\(\s*\)\(.*\)$')
let idtl = len(idt)
endif
if idtl < icol
let idt .= repeat(' ', icol - idtl)
endif
" TLogVAR idt
let idtl1 = len(idt)
for i in range(1, len(text) - 1)
let text[i] = idt . text[i]
let grow += idtl1
endfor
endif
" TLogVAR text
" exec 'norm! '. lineno .'Gdd'
call tlib#normal#WithRegister('"tdd', 't')
call append(lineno - 1, text)
if post_del_last_line
call tlib#buffer#KeepCursorPosition('$delete')
endif
let tlen = len(text)
let posshift = matchstr(pos, '\d\+')
" TLogVAR pos
if pos =~ '^e'
exec lineno + tlen - 1
exec 'norm! 0'. (len(text[-1]) - len(post) + posshift - 1) .'l'
elseif pos =~ '^s'
" TLogVAR lineno, pre, posshift
exec lineno
exec 'norm! '. len(pre) .'|'
if !empty(posshift)
exec 'norm! '. posshift .'h'
endif
endif
" TLogDBG getline(lineno)
" TLogDBG string(getline(1, '$'))
return grow
endf
function! tlib#buffer#InsertText0(text, ...) "{{{3
TVarArg ['keyargs', {}]
let mode = get(keyargs, 'mode', 'i')
" TLogVAR mode
if !has_key(keyargs, 'shift')
let col = col('.')
" if mode =~ 'i'
" let col += 1
" endif
let keyargs.shift = col >= col('$') ? 0 : -1
" let keyargs.shift = col('.') >= col('$') ? 0 : -1
" TLogVAR col
" TLogDBG col('.') .'-'. col('$') .': '. string(getline('.'))
endif
" TLogVAR keyargs.shift
return tlib#buffer#InsertText(a:text, keyargs)
endf
function! tlib#buffer#CurrentByte() "{{{3
return line2byte(line('.')) + col('.')
endf
" Evaluate cmd while maintaining the cursor position and jump registers.
function! tlib#buffer#KeepCursorPosition(cmd) "{{{3
" let pos = getpos('.')
let view = winsaveview()
try
keepjumps exec a:cmd
finally
" call setpos('.', pos)
call winrestview(view)
endtry
endf