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Introduction

µTemplate is a template-files loader for Vim. Once loaded, templates are interpreted and expanded according to a flexible syntax.

Features

  • Template-files can be expanded:

    • automatically when opening a new buffer (unless deactivated from the .vimrc),
    • explicitly through menus or the command line,
    • from the INSERT-mode in a snippet-like fashion ;
    • from the VISUAL-mode to surround the selection with a snippet ;

  • All snippets are defined in their own template-file ;

  • The template-files can be overridden by the user, or in the context of a specific project ;

  • Filetype specific snippets can be defined for the INSERT-mode (they can be inherited, e.g. C snippets can be used from C++, Java, etc.), the list of matching snippets will be presented with a hint for each snippet ;

  • Computed VimL expressions can be inserted ;

  • VimL instructions can be executed during the expansion ;

  • Template-files can include other template-files in a function-like manner (parameters are even supported);

  • Fully integrated with my placeholders-system ;

  • Supports re-indentation (if desired), and Python indentation ;

  • Works well with vim folding ;

  • I18n friendly ;

  • The expansion happens after any local vimrcs present are loaded -- in order to set project-specific variables before the expansion is done.

  • Thanks to Tom Link's StakeHolders plugin, µTemplate does now have tied placeholders (modifying one named placeholder modifies other placeholders with the same name). Not installing Stakeholders will not prevent you from using µTemplate.

However, it misses the following features:

  • Several snippets per template-file -- It's extremely unlikely that µTemplate will ever work this way.
  • One key that does everything: expansion of snippets/previously typed keywords/dictionary/..., or jump to the next placeholder depending on the context.

Examples

A few examples are better than a long speech, check the documentation for more precisions.

Note: all the default template-files shipped with mu-template can be browsed from the repository

C-if snippet

Snippet that uses ¡, s:Surround(), lh-style's styling feature

VimL:"{if} Template-File, Luc Hermitte
VimL:" hint: if (cond) { action }
VimL: let s:value_start = '¡'
VimL: let s:value_end = '¡'
VimL: let s:reindent = 1
VimL: let s:marker_open = '<+'
VimL: let s:marker_close = '+>'
if(¡substitute(s:Surround(2, '<+cond+>'), '^\_s*\|\_s*$', '', 'g')¡){
¡s:Surround(1, '<+code+>')¡
}<+s:TerminalPlaceHolder()+>

C-case snippet

Snippet that uses ¡, s:TerminalPlaceHolder(), lh-style's styling feature, and that takes options.

VimL:" {case:} File Template, Luc Hermitte, 05th Jan 2011
VimL:" hint: case {tag: ...; break;}
VimL: let s:value_start = '¡'
VimL: let s:value_start = '¡'
VimL: let s:value_end = s:value_start
VimL: let s:marker_open = '<+'
VimL: let s:marker_close = '+>'
VimL: let s:case = empty(s:Args()) ? lh#marker#txt('case') : (s:Args()[0])
VimL: let s:_with_block2 = len(s:Args()) <= 1 ? INPUT("Insert a block for the case (0/1) ?") : (s:Args()[1])
case <+s:case+>:
<+s:_with_block2?'{':''+>
<+¡substitute(s:case, lh#marker#txt('\(.\{-}\)'), '\1', '')¡-code+>;
break;
<+s:_with_block2?'}':''+>

Vim-plugmap snippet

Recursive snippet that takes options, uses s:Include(), s:SurroundableParam(), :MuT-commands, and that contain a loop

VimL:" ``VimL <Plug> mappings'' File Template, Luc Hermitte <hermitte {at} free {dot} fr>
VimL:" hint: <Plug>mapping + default mapping
VimL: let s:reindent     = 1
VimL: let s:marker_open  = '<+'
VimL: let s:marker_close = '+>'
MuT:  let s:mapmode = s:SurroundableParam('mode', 1, lh#option#unset())
MuT:  let s:plugname = s:SurroundableParam('plug', 2, lh#option#unset())
MuT:  if lh#option#is_unset(s:mapmode)
MuT:    let s:mapmode = INPUT('Mode (invox)?', lh#marker#txt('mode'))
MuT:  endif
MuT:  if lh#option#is_unset(s:plugname)
MuT:    let s:plugname =  INPUT('<Plug>?',       lh#marker#txt('name'))
MuT:  endif
VimL: call s:Include('get-script-kind', 'vim/internals')
VimL: let s:buffer = s:ftplug ? '<buffer> ' : ''
MuT:  if strlen(s:mapmode) == 1 || lh#marker#is_a_marker(s:mapmode)
<+s:mapmode+>noremap <+s:buffer+><silent> <Plug><+s:plugname+> <+definition+>
if !hasmapto('<Plug><+s:plugname+>', '<+s:mapmode+>')
  <+s:mapmode+>map <+s:buffer+><silent> <unique> <+keybinding+> <Plug><+s:plugname+>
endif
MuT:  else
VimL:    for mode in split(s:mapmode, '\zs') | call s:Include('plugmap', 'vim', {'mode': mode, 'plug': s:plugname}) | endfor
MuT:  endif

Interactive template-file: C++ Class Template

VimL:" C++ Class Template, Luc Hermitte
VimL:" hint: Class Wizard (asks for class semantics)
VimL: let s:value_start = '¡'
VimL: let s:value_end = '¡'
VimL: let s:reindent = 1
VimL: let s:marker_open = '<+'
VimL: let s:marker_close = '+>'
VimL: let s:clsname = empty(s:Args()) ? INPUT("class name ?", lh#marker#txt(expand('%:t:r'))) : (s:Args()[0])
VimL: call CppDox_ClassWizard(s:clsname)
VimL:"
VimL:"
VimL: call s:Include("section-sep", "c", s:clsname." class")
VimL: silent! unlet s:doc
VimL: let s:doc = []
VimL: let s:doc += [{ "tag": "ingroup", "text": "g".lh#option#get('dox_group', lh#marker#txt('Group')) }]
VimL: let s:doc += [{ "tag": "brief" }]
VimL: let s:doc += [{ "text": "\n" }]
VimL: let s:doc += [{ "text": "<+doc+>" }]
VimL: let s:doc += [{ "text": "\n" }]
VimL: let s:doc += [{ "tag": "invariant"}]
VimL: let s:doc += [{ "text": "\n" }]
VimL: let s:doc += [{ "tag": "semantics"}]
VimL: let s:doc += [{ "text": g:CppDox_semantics}]
VimL: let s:doc += [{ "text": "\n" }]
VimL: let s:doc += [{ "tag": "version", "text": "$"."revision$"}]
VimL: let s:doc += [{ "tag": "author"}]
VimL: call s:Include("formatted-comment", "cpp/internals", s:doc)
class <+s:clsname+>
¡g:CppDox_inherits¡
{
public:
/**<+lh#dox#tag('name')+> Construction/destruction
*/
//<+lh#dox#tag('{')+>
VimL: let s:fn_comments = { }
VimL: let s:fn_comments.brief = "Default constructor."
VimL: let s:fn_comments.throw = {"optional": 1}
VimL: call s:Include("function-comment", "cpp/internals",s:fn_comments)
<+s:clsname+>();

VimL: "
VimL: " not documented, this is :DOX job
<+s:clsname+>(<+define the params, and document me w/ :DOX+>);

VimL: "
VimL: " todo: support using default implementations
MuT: if g:CppDox_do_copy
VimL: call s:Include("copy-constructor", "cpp", s:clsname)
VimL: call s:Inject([""])
VimL: call s:Include("copy-and-swap", "cpp", s:clsname)

MuT: endif
VimL: call s:Include("destructor", "cpp",{"name":(s:clsname), "virtual": (g:CppDox_isVirtualDest) })
//<+lh#dox#tag('}')+>

<+Other public functions+>;

¡IF(strlen(g:CppDox_protected_members), "protected:\n", '')¡
¡g:CppDox_protected_members¡
private:
¡g:CppDox_forbidden_members¡

<+Private functions+>;

<+Attributes+>;
};<++>

Completely useless recursive example

  • test.template
VimL: let s:value_start  = '¡'
VimL: let s:value_end    = '¡'
VimL: let s:marker_open  = '<+'
VimL: let s:marker_close = '+>'
VimL: let s:var = 1
BEGIN<++>
/*
 * ¡'$'¡Id$
 */
¡s:var¡
a¡s:var¡
¡s:var + 5¡a
a¡s:var¡a¡s:var¡
a¡s:var¡a¡s:var¡a
here <+we go+>
VimL: let s:msg =''
VimL: call s:Include('test-included')
VimL: let s:msg =' again'
VimL: call s:Include('test-included')

------
Some tests:
VimL: let s:expr = "first line\nsecond line\n "
text ¡s:expr¡
text
END
  • test-included.template
VimL: let s:times = exists('s:times') ? (s:times+1) : 1
This part has been included¡s:msg¡ ¡((s:times==1)?'once':(s:times==2 ? 'twice' : (s:times.' times')))¡.
VimL: if s:times <= 4 | call s:Include('test-included') | endif
VimL: silent! unlet s:times

Installation

  • Requirements: Vim 7.+, lh-vim-lib, lh-style, and my bracketing-system, and optionally lh-dev.

  • With vim-addon-manager, install mu-template@lh. This is the preferred method because of the various dependencies.

    ActivateAddons mu-template@lh
" And don't forget
ActivateAddons stakeholders
" don't forget also to support a few default snippets
ActivateAddons lh-dev

  • or you can use vim-flavor that also supports dependencies

    flavor 'LucHermitte/mu-template'
" And don't forget
flavor 'tomtom/stakeholders_vim'
" don't forget also to support a few default snippets
flavor 'LucHermitte/lh-dev'

  • N.B.: installing lh-cpp or lh-refactor with VAM or vim-flavor will also install µTemplate.

  • or you can clone the git repositories

    git clone [email protected]:LucHermitte/lh-vim-lib.git
git clone [email protected]:LucHermitte/lh-style.git
git clone [email protected]:LucHermitte/lh-brackets.git
git clone [email protected]:LucHermitte/mu-template.git
# and don't forget:
git clone [email protected]:tomtom/stakeholders_vim.git
# don't forget also to support a few default snippets
git clone [email protected]:LucHermitte/lh-dev.git

  • or with Vundle/NeoBundle:

    Bundle 'LucHermitte/lh-vim-lib'
Bundle 'LucHermitte/lh-style'
Bundle 'LucHermitte/lh-brackets'
Bundle 'LucHermitte/mu-template'
" and don't forget:
Bundle 'tomtom/stakeholders_vim'
" don't forget also to support a few default snippets
Bundle 'LucHermitte/lh-dev'

Note: regarding COC

Since v.4.4.0, µTemplate delegates the selection of its snippets to COC, when COC is detected.

Credits

  • Gergely Kontra is the author of the first version of µTemplate.
  • Luc Hermitte (LH) is the current maintainer of this enhanced version of mu-template.
  • Robert Kelly IV, Zdenek Sekera for their insight and the feedback they provided me (LH).
  • Troy Curtis Jr, for his intensive testing.

See also

There are many other template-files loaders for Vim, see the non exhaustive list of vim.wikia, or the comparative matrix in Marc Weber's vim wiki.

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Vim template-files expander

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vim snippets vim-plugins skeleton-template

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