From 5d4e5d33db2c06cb21d42609179499c4d5afd4b5 Mon Sep 17 00:00:00 2001
From: jluehrs2 <jluehrs2@uiuc.edu>
Date: Wed, 30 Apr 2008 17:01:57 -0500
Subject: split the textobj stuff out into its own file

---
 vim/plugin/textobj.vim | 234 +++++++++++++++++++++++++++++++++++++++++++++++++
 vimrc                  | 231 +-----------------------------------------------
 2 files changed, 238 insertions(+), 227 deletions(-)
 create mode 100644 vim/plugin/textobj.vim

diff --git a/vim/plugin/textobj.vim b/vim/plugin/textobj.vim
new file mode 100644
index 0000000..a32509e
--- /dev/null
+++ b/vim/plugin/textobj.vim
@@ -0,0 +1,234 @@
+" Text object creation {{{
+let s:text_object_number = 0
+function Textobj(char, callback)
+    let s:text_object_number += 1
+    function s:textobj_{s:text_object_number}(inner, operator, count, callback)
+        try
+            let pos = getpos('.')
+            sandbox let [startline, startcol, endline, endcol] = function(a:callback)(a:inner, a:count)
+        catch /no-match/
+            return
+        finally
+            call setpos('.', pos)
+        endtry
+        if startline == endline
+            let objlength = endcol - startcol + 1
+        else
+            let lines = getline(startline + 1, endline - 1)
+            let lines = [strpart(getline(startline), startcol - 1)] +
+            \           lines +
+            \           [strpart(getline(endline), 0, endcol)]
+            let objlength = 0
+            for line in lines
+                let objlength += strlen(line) + 1
+            endfor
+            let objlength -= 1
+        endif
+        if startcol > strlen(getline(startline))
+            let startcol = 1
+            let startline += 1
+            let objlength -= 1
+        endif
+        call cursor(startline, startcol)
+        exe 'normal! '.a:operator.objlength.' '
+
+        if a:operator == 'c'
+            normal! l
+            startinsert
+        elseif a:operator == 'v'
+            exe "normal! \<BS>"
+        endif
+    endfunction
+
+    exe 'onoremap <silent>a'.a:char.' <Esc>:call <SID>textobj_'.s:text_object_number.'(0, v:operator, v:prevcount, "'.a:callback.'")<CR>'
+    exe 'onoremap <silent>i'.a:char.' <Esc>:call <SID>textobj_'.s:text_object_number.'(1, v:operator, v:prevcount, "'.a:callback.'")<CR>'
+    exe 'xnoremap <silent>a'.a:char.' <Esc>:call <SID>textobj_'.s:text_object_number.'(0, "v", v:prevcount, "'.a:callback.'")<CR>'
+    exe 'xnoremap <silent>i'.a:char.' <Esc>:call <SID>textobj_'.s:text_object_number.'(1, "v", v:prevcount, "'.a:callback.'")<CR>'
+endfunction
+" }}}
+" Text object definitions {{{
+" / for regex {{{
+function s:textobj_regex(inner, count)
+    let pos = getpos('.')
+
+    let line = strpart(getline(pos[1]), 0, pos[2])
+    let lines = getline(1, pos[1] - 1) + [line]
+    let linenum = pos[1]
+    for line in reverse(lines)
+        let objstart = match(line, '.*\zs\\\@<!/') + 1
+        if objstart != 0
+            break
+        endif
+        let linenum -= 1
+    endfor
+    if objstart == 0
+        throw 'no-match'
+    endif
+    let objstart += a:inner
+    let objstartline = linenum
+
+    let line = strpart(getline(pos[1]), pos[2] - 1)
+    let lines = [line] + getline(pos[1] + 1, line('$'))
+    let linenum = pos[1]
+    for line in lines
+        let objend = match(line, '\\\@<!/') + 1
+        if objend != 0
+            if linenum == pos[1]
+                " have to account for the possibility of a split escape
+                " sequence
+                if objend == 1
+                    if getline(pos[1])[pos[2] - 2] == '\'
+                        let objend = match(line, '\\\@<!/', 1) + 1
+                        if objend == 0
+                            let linenum += 1
+                            continue
+                        endif
+                    else
+                        " if we're sitting on a /, don't do anything, since it's
+                        " impossible to know which direction to look
+                        throw 'no-match'
+                    endif
+                endif
+                let objend += pos[2] - 1
+            endif
+            break
+        endif
+        let linenum += 1
+    endfor
+    if objend == 0
+        throw 'no-match'
+    endif
+    let objend -= a:inner
+    let objendline = linenum
+
+    return [objstartline, objstart, objendline, objend]
+endfunction
+" }}}
+" f for folds {{{
+function s:textobj_fold(inner, count)
+    if foldlevel(line('.')) == 0
+        throw 'no-match'
+    endif
+    exe 'normal! '.a:count.'[z'
+    let startline = line('.') + a:inner
+    normal! ]z
+    let endline = line('.') - a:inner
+
+    return [startline, 1, endline, strlen(getline(endline))]
+endfunction
+" }}}
+" , for function arguments {{{
+function s:textobj_arg(inner, count)
+    let pos = getpos('.')
+    let curchar = getline(pos[1])[pos[2] - 1]
+    if curchar == ','
+        if getline(pos[1])[pos[2] - 2] =~ '\s'
+            normal! gE
+        else
+            exe "normal! \<BS>"
+        endif
+        return s:textobj_arg(a:inner, a:count)
+    elseif curchar =~ '\s'
+        normal! W
+        return s:textobj_arg(a:inner, a:count)
+    endif
+
+    let line = strpart(getline(pos[1]), 0, pos[2])
+    let lines = getline(1, pos[1] - 1) + [line]
+    let linenum = pos[1]
+    for line in reverse(lines)
+        let argbegin = matchend(line, '.*\%(,\s*\|(\)') + 1
+        if argbegin != 0
+            while argbegin > strlen(line)
+                let linenum += 1
+                let line = getline(linenum)
+                let argbegin = matchend(line, '^\s*') + 1
+            endwhile
+            break
+        endif
+        let linenum -= 1
+    endfor
+    if argbegin == 0
+        throw 'no-match'
+    endif
+    let argstartline = linenum
+
+    let line = strpart(getline(pos[1]), pos[2] - 1)
+    let lines = [line] + getline(pos[1] + 1, line('$'))
+    let linenum = pos[1]
+    for line in lines
+        let argend = match(line, '\zs.\?\%(,\|)\)') + 1
+        if argend != 0
+            if linenum == pos[1]
+                let argend += pos[2] - 1
+            endif
+            if argend == 1 && getline(linenum)[argend - 1] == ')'
+                let linenum -= 1
+                let argend = strlen(getline(linenum))
+            endif
+            break
+        endif
+        let linenum += 1
+    endfor
+    if argend == 0
+        throw 'no-match'
+    endif
+    let argendline = linenum
+
+    if a:inner == 0
+        let endline = getline(argendline)
+        let startline = getline(argstartline)
+        if argend >= strlen(endline)
+            let argend = 0
+            let argendline += 1
+            let endline = getline(argendline)
+        endif
+        if endline[argend] == ')' && startline[argbegin - 2] != '('
+            let argbegin = match(strpart(startline, 0, argbegin - 1), '\s*$')
+            while argbegin == 0
+                let argstartline -= 1
+                let startline = getline(argstartline)
+                let argbegin = strlen(startline)
+            endwhile
+        elseif endline[argend] != ')'
+            let argend += matchend(strpart(endline, argend + 1), '^\s*') + 1
+            if startline[argbegin - 2] == '('
+                for line in [strpart(endline, argend)] +
+                \           getline(argendline + 1, line('$'))
+                    let argincr = matchend(line, '\s*\ze\S')
+                    if argincr != -1
+                        let argend += argincr
+                        break
+                    endif
+                    let argendline += 1
+                    let argend = 0
+                endfor
+            endif
+        endif
+        if argend >= strlen(endline)
+            if argendline == argstartline
+                let newbegin = matchend(strpart(endline, 0, argbegin), '.*,')
+                if newbegin != -1
+                    let argbegin = newbegin + 1
+                endif
+            endif
+            let argend = 0
+            let argendline += 1
+        endif
+    endif
+
+    return [argstartline, argbegin, argendline, argend]
+endfunction
+" }}}
+" }}}
+" Text object creation {{{
+if exists("g:Textobj_regex_enable") && g:Textobj_regex_enable
+    call Textobj('/', "<SID>textobj_regex")
+endif
+if exists("g:Textobj_fold_enable") && g:Textobj_fold_enable
+    call Textobj('f', "<SID>textobj_fold")
+endif
+if exists("g:Textobj_arg_enable") && g:Textobj_arg_enable
+    call Textobj(',', "<SID>textobj_arg")
+endif
+" }}}
diff --git a/vimrc b/vimrc
index 8bb8a47..750b82b 100644
--- a/vimrc
+++ b/vimrc
@@ -279,233 +279,10 @@ if file_readable(s:session_file) && expand("%:.") !~ '^/'
     autocmd VimLeave * call delete(s:session_file) | exec 'TlistSessionSave ' . s:session_file
 endif
 " }}}
-" }}}
-" Text objects {{{
-" Text object creation {{{
-let g:text_object_number = 0
-function Textobj(char, callback)
-    let g:text_object_number += 1
-    function Textobj_{g:text_object_number}(inner, operator, count, callback)
-        try
-            let pos = getpos('.')
-            sandbox let [startline, startcol, endline, endcol] = function(a:callback)(a:inner, a:count)
-        catch /no-match/
-            return
-        finally
-            call setpos('.', pos)
-        endtry
-        if startline == endline
-            let objlength = endcol - startcol + 1
-        else
-            let lines = getline(startline + 1, endline - 1)
-            let lines = [strpart(getline(startline), startcol - 1)] +
-            \           lines +
-            \           [strpart(getline(endline), 0, endcol)]
-            let objlength = 0
-            for line in lines
-                let objlength += strlen(line) + 1
-            endfor
-            let objlength -= 1
-        endif
-        if startcol > strlen(getline(startline))
-            let startcol = 1
-            let startline += 1
-            let objlength -= 1
-        endif
-        call cursor(startline, startcol)
-        exe 'normal! '.a:operator.objlength.' '
-
-        if a:operator == 'c'
-            normal! l
-            startinsert
-        elseif a:operator == 'v'
-            exe "normal! \<BS>"
-        endif
-    endfunction
-
-    exe 'onoremap <silent>a'.a:char.' <Esc>:call Textobj_'.g:text_object_number.'(0, v:operator, v:prevcount, "'.a:callback.'")<CR>'
-    exe 'onoremap <silent>i'.a:char.' <Esc>:call Textobj_'.g:text_object_number.'(1, v:operator, v:prevcount, "'.a:callback.'")<CR>'
-    exe 'xnoremap <silent>a'.a:char.' <Esc>:call Textobj_'.g:text_object_number.'(0, "v", v:prevcount, "'.a:callback.'")<CR>'
-    exe 'xnoremap <silent>i'.a:char.' <Esc>:call Textobj_'.g:text_object_number.'(1, "v", v:prevcount, "'.a:callback.'")<CR>'
-endfunction
-" }}}
-" Text objects {{{
-" / for regex {{{
-function Textobj_regex(inner, count)
-    let pos = getpos('.')
-
-    let line = strpart(getline(pos[1]), 0, pos[2])
-    let lines = getline(1, pos[1] - 1) + [line]
-    let linenum = pos[1]
-    for line in reverse(lines)
-        let objstart = match(line, '.*\zs\\\@<!/') + 1
-        if objstart != 0
-            break
-        endif
-        let linenum -= 1
-    endfor
-    if objstart == 0
-        throw 'no-match'
-    endif
-    let objstart += a:inner
-    let objstartline = linenum
-
-    let line = strpart(getline(pos[1]), pos[2] - 1)
-    let lines = [line] + getline(pos[1] + 1, line('$'))
-    let linenum = pos[1]
-    for line in lines
-        let objend = match(line, '\\\@<!/') + 1
-        if objend != 0
-            if linenum == pos[1]
-                " have to account for the possibility of a split escape
-                " sequence
-                if objend == 1
-                    if getline(pos[1])[pos[2] - 2] == '\'
-                        let objend = match(line, '\\\@<!/', 1) + 1
-                        if objend == 0
-                            let linenum += 1
-                            continue
-                        endif
-                    else
-                        " if we're sitting on a /, don't do anything, since it's
-                        " impossible to know which direction to look
-                        throw 'no-match'
-                    endif
-                endif
-                let objend += pos[2] - 1
-            endif
-            break
-        endif
-        let linenum += 1
-    endfor
-    if objend == 0
-        throw 'no-match'
-    endif
-    let objend -= a:inner
-    let objendline = linenum
-
-    return [objstartline, objstart, objendline, objend]
-endfunction
-call Textobj('/', 'Textobj_regex')
-" }}}
-" f for folds {{{
-function Textobj_fold(inner, count)
-    if foldlevel(line('.')) == 0
-        throw 'no-match'
-    endif
-    exe 'normal! '.a:count.'[z'
-    let startline = line('.') + a:inner
-    normal! ]z
-    let endline = line('.') - a:inner
-
-    return [startline, 1, endline, strlen(getline(endline))]
-endfunction
-call Textobj('f', 'Textobj_fold')
-" }}}
-" , for function arguments {{{
-function Textobj_arg(inner, count)
-    let pos = getpos('.')
-    let curchar = getline(pos[1])[pos[2] - 1]
-    if curchar == ','
-        if getline(pos[1])[pos[2] - 2] =~ '\s'
-            normal! gE
-        else
-            exe "normal! \<BS>"
-        endif
-        return Textobj_arg(a:inner, a:count)
-    elseif curchar =~ '\s'
-        normal! W
-        return Textobj_arg(a:inner, a:count)
-    endif
-
-    let line = strpart(getline(pos[1]), 0, pos[2])
-    let lines = getline(1, pos[1] - 1) + [line]
-    let linenum = pos[1]
-    for line in reverse(lines)
-        let argbegin = matchend(line, '.*\%(,\s*\|(\)') + 1
-        if argbegin != 0
-            while argbegin > strlen(line)
-                let linenum += 1
-                let line = getline(linenum)
-                let argbegin = matchend(line, '^\s*') + 1
-            endwhile
-            break
-        endif
-        let linenum -= 1
-    endfor
-    if argbegin == 0
-        throw 'no-match'
-    endif
-    let argstartline = linenum
-
-    let line = strpart(getline(pos[1]), pos[2] - 1)
-    let lines = [line] + getline(pos[1] + 1, line('$'))
-    let linenum = pos[1]
-    for line in lines
-        let argend = match(line, '\zs.\?\%(,\|)\)') + 1
-        if argend != 0
-            if linenum == pos[1]
-                let argend += pos[2] - 1
-            endif
-            if argend == 1 && getline(linenum)[argend - 1] == ')'
-                let linenum -= 1
-                let argend = strlen(getline(linenum))
-            endif
-            break
-        endif
-        let linenum += 1
-    endfor
-    if argend == 0
-        throw 'no-match'
-    endif
-    let argendline = linenum
-
-    if a:inner == 0
-        let endline = getline(argendline)
-        let startline = getline(argstartline)
-        if argend >= strlen(endline)
-            let argend = 0
-            let argendline += 1
-            let endline = getline(argendline)
-        endif
-        if endline[argend] == ')' && startline[argbegin - 2] != '('
-            let argbegin = match(strpart(startline, 0, argbegin - 1), '\s*$')
-            while argbegin == 0
-                let argstartline -= 1
-                let startline = getline(argstartline)
-                let argbegin = strlen(startline)
-            endwhile
-        elseif endline[argend] != ')'
-            let argend += matchend(strpart(endline, argend + 1), '^\s*') + 1
-            if startline[argbegin - 2] == '('
-                for line in [strpart(endline, argend)] +
-                \           getline(argendline + 1, line('$'))
-                    let argincr = matchend(line, '\s*\ze\S')
-                    if argincr != -1
-                        let argend += argincr
-                        break
-                    endif
-                    let argendline += 1
-                    let argend = 0
-                endfor
-            endif
-        endif
-        if argend >= strlen(endline)
-            if argendline == argstartline
-                let newbegin = matchend(strpart(endline, 0, argbegin), '.*,')
-                if newbegin != -1
-                    let argbegin = newbegin + 1
-                endif
-            endif
-            let argend = 0
-            let argendline += 1
-        endif
-    endif
-
-    return [argstartline, argbegin, argendline, argend]
-endfunction
-call Textobj(',', 'Textobj_arg')
-" }}}
+" Textobj {{{
+let g:Textobj_regex_enable = 1
+let g:Textobj_fold_enable = 1
+let g:Textobj_arg_enable = 1
 " }}}
 " }}}
 
-- 
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