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Add method to enable/disable stabs at runtime #6

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Add method to enable/disable stabs at runtime #6

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b300c2b
Make the maps install/uninstall driven by callable functions
smemsh May 23, 2024
28f71bc
Add a stabs mode toggle function
smemsh May 23, 2024
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113 changes: 82 additions & 31 deletions plugin/stabs.vim
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Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,6 @@ if exists('g:loaded_stabs') && g:loaded_stabs
endif
let g:loaded_stabs = 1


if !exists('g:stabs_indent_regex')
let g:stabs_indent_regex = '^\t*'
endif
Expand All @@ -17,14 +16,6 @@ if !exists('g:stabs_insert_leave')
endif


if g:stabs_maps =~ 't'
inoremap <silent> <expr> <tab> StabsTab()
endif

if g:stabs_maps =~ 'b'
inoremap <silent> <expr> <BS> StabsBS()
endif

" TODO: Properly add CTRL-d and CTRL-t mappings
"imap <silent> <expr> <c-d> :call <SID>SmartDeleteTab()<CR>
"imap <silent> <c-t> <SID>SmartInsertTab()
Expand Down Expand Up @@ -83,12 +74,6 @@ if g:stabs_insert_leave
exe 's/'.s:GetIndentRegex().' *$//e'
endif
endfun

" Remove indentation tabs when leaving insert mode
augroup Stabs
autocmd!
autocmd InsertLeave * call <SID>CheckLeaveLine(line('.'))
augroup END
endif


Expand Down Expand Up @@ -225,22 +210,6 @@ fun! StabsCR()
endif
endfun

if g:stabs_maps =~ 'c'
inoremap <silent> <expr> <CR> StabsCR()
endif
" Notice \<lt>END> results in \<END>, which is the end key
if g:stabs_maps =~ 'o'
nnoremap <silent> o o<c-r>=StabsFixAlign(line('.'))."\<lt>END>"<CR>
endif
if g:stabs_maps =~ 'O'
nnoremap <silent> O O<c-r>=StabsFixAlign(line('.'))."\<lt>END>"<CR>
endif

" The = is implemented by remapping it so that it calls the original = and
" then checks all indents using StabsFixAlign.
if g:stabs_maps =~ '='
nnoremap <silent> <expr> = StabsEqual()
endif
fun! StabsEqual()
set operatorfunc=StabsRedoIndent
" Call the operator func so we get the range
Expand Down Expand Up @@ -297,6 +266,88 @@ fun! s:RetabIndent( bang, firstl, lastl, tab )
if newtabstop != &tabstop | let &tabstop = newtabstop | endif
endfun

""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""

function StabsInstall()

if g:stabs_active | return | endif

" imaps
if g:stabs_maps =~ 't'
inoremap <silent> <expr> <tab> StabsTab()
endif
if g:stabs_maps =~ 'b'
inoremap <silent> <expr> <BS> StabsBS()
endif
if g:stabs_maps =~ 'c'
inoremap <silent> <expr> <CR> StabsCR()
endif

" nmaps
if g:stabs_maps =~ 'o'
" Notice \<lt>END> results in \<END>, which is the end key
nnoremap <silent> o
\ o<c-r>=StabsFixAlign(line('.'))."\<lt>END>"<CR>
endif
if g:stabs_maps =~ 'O'
nnoremap <silent> O
\ O<c-r>=StabsFixAlign(line('.'))."\<lt>END>"<CR>
endif
if g:stabs_maps =~ '='
" The = is implemented by remapping it so that it calls the
" original = and then checks all indents using StabsFixAlign.
nnoremap <silent> <expr> =
\ StabsEqual()
endif

" autocmds
if g:stabs_insert_leave
augroup Stabs
au!
autocmd InsertLeave * call <SID>CheckLeaveLine(line('.'))
augroup END
endif

let g:stabs_active = 1
endfunc

function StabsUninstall()

if !g:stabs_active | return | endif

if g:stabs_maps =~ 't'
iunmap <tab>
endif
if g:stabs_maps =~ 'b'
iunmap <bs>
endif
if g:stabs_maps =~ 'c'
iunmap <cr>
endif
if g:stabs_maps =~ 'o'
nunmap o
endif
if g:stabs_maps =~ 'O'
nunmap O
endif
if g:stabs_maps =~ '='
nunmap =
endif
if g:stabs_insert_leave
autocmd! Stabs
endif

let g:stabs_active = 0
endfunc

function StabsToggle()
if !exists('g:stabs_active') | let g:stabs_active = 0 | endif
call function(g:stabs_active ? 'StabsUninstall' : 'StabsInstall')()
endfunc

""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""

call StabsToggle()

" Retab the indent of a file - ie only the first nonspace.
" Optional argument specified the value of the new tabstops
Expand Down