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*projectionist.txt* *projectionist* Project configuration
Author: Tim Pope <http://tpo.pe/>
Repo: https://github.com/tpope/vim-projectionist
License: Same terms as Vim itself (see |license|)
SETUP *projectionist-setup*
Projections are maps from file names and globs to sets of properties
describing the file. The simplest way to define them is to create a
".projections.json" in the root of the project. Here's a simple example for a
Maven project:
>
{
"src/main/java/*.java": {
"alternate": "src/test/java/{}.java",
"type": "source"
},
"src/test/java/*.java": {
"alternate": "src/main/java/{}.java",
"type": "test"
},
"*.java": {"dispatch": "javac {file}"},
"*": {"make": "mvn"}
}
<
In property values, "{}" will be replaced by the portion of the glob matched
by the "*". You can also chain one or more transformations inside the braces
separated by bars, e.g. "{dot|hyphenate}". The complete list of available
transformations is as follows:
Name Behavior ~
dot / to .
underscore / to _
backslash / to \
colons / to ::
hyphenate _ to -
blank _ and - to space
uppercase uppercase
camelcase foo_bar/baz_quux to fooBar/bazQuux
snakecase FooBar/bazQuux to foo_bar/baz_quux
capitalize capitalize first letter and each letter after a slash
dirname remove last slash separated component
basename remove all but last slash separated component
singular singularize
plural pluralize
file absolute path to file
project absolute path to project
open literal {
close literal }
nothing empty string
vim no-op (include to specify other implementations should ignore)
From a globbing perspective, "*" is actually a stand in for "**/*". For
advanced cases, you can include both globs explicitly: "test/**/test_*.rb".
When expanding with {}, the ** and * portions are joined with a slash. If
necessary, the dirname and basename expansions can be used to split the value
back apart.
The full list of available properties in a projection is as follows:
*projectionist-alternate*
"alternate" ~
Determines the destination of the |projectionist-:A| command. If this
is a list, the first readable file will be used.
*projectionist-console*
"console" ~
Command to run to start a REPL or other interactive shell. Will be
defined as :Console. This is useful to set from a "*" projection or
on a simple file glob like "*.js". Will also be used as a default for
"start". Expansions are shell escaped.
*projectionist-dispatch*
"dispatch" ~
Default task to use for |:Dispatch| in dispatch.vim. If not provided,
the option for any existing alternate file is used instead.
Expansions are shell escaped.
*projectionist-make*
"make" ~
Sets 'makeprg'. Also loads a |:compiler| plugin if one is available
matching the executable name. This is useful to set from a "*"
projection. Expansions are shell escaped.
*projectionist-path*
"path" ~
Additional directories to prepend to 'path'. Can be relative to the
project root or absolute. This is useful to set on a simple file glob
like "*.js".
*projectionist-start*
"start" ~
Command to run to "boot" the project. Examples include `lein run`,
`rails server`, and `foreman start`. It will be used as a default
task for |:Start| in dispatch.vim. This is useful to set from a "*"
projection. Expansions are shell escaped.
*projectionist-template*
"template" ~
Array of lines to use when creating a new file.
*projectionist-type*
"type" ~
Declares the type of file and navigation command it belongs to. If
this option is provided for a literal filename rather than a glob, it
is used as the default destination of the navigation command when no
argument is given.
*g:projectionist_heuristics*
In addition to ".projections.json", projections can be defined globally
through use of the |projectionist-autocmds| API or through the variable
g:projectionist_heuristics, a |Dictionary| mapping between a string describing
the root of the project and a set of projections. The keys of the dictionary
are files and directories that can be found in the root of a project, with &
separating multiple requirements and | separating multiple alternatives. You
can also prefix a file or directory with ! to forbid rather than require its
presence.
In the example below, the first key requires a directory named
lib/heroku/ and a file named init.rb, and the second requires a directory
named etc/rbenv.d/ or one or more files matching the glob bin/rbenv-*.
>
let g:projectionist_heuristics = {
\ "lib/heroku/&init.rb": {
\ "lib/heroku/command/*.rb": {"type": "command"}
\ },
\ "etc/rbenv.d/|bin/rbenv-*": {
\ "bin/rbenv-*": {"type": "command"},
\ "etc/rbenv.d/*.bash": {"type": "hook"}
\ }}
Note the use of VimScript |line-continuation|.
COMMANDS *projectionist-commands*
In addition to any navigation commands provided by your projections (which
take the form :Efoo, :Sfoo, :Vfoo, :Tfoo, and :Dfoo), the following commands
are available.
*projectionist-:A*
:A Edit the alternate file for the current buffer, as
defined by the "alternate" key.
:A {file} Edit {file} relative to the innermost root.
*projectionist-:AS*
:AS [file] Like :A, but open in a split.
*projectionist-:AV*
:AV [file] Like :A, but open in a vertical split.
*projectionist-:AT*
:AT [file] Like :A, but open in a tab.
*projectionist-:AD*
:AD Replace the contents of the buffer with the new file
template.
:AD {file} Like :A, but |:read| the file into the current buffer.
*projectionist-:Pcd*
*projectionist-:Cd*
:Pcd |:cd| to the innermost root.
:Pcd {path} |:cd| to {path} in the innermost root.
*projectionist-:Plcd*
*projectionist-:Lcd*
:Plcd [path] Like :Pcd, but use |:lcd|.
*projectionist-:ProjectDo*
:ProjectDo {cmd} Change directory to the project root, execute the
given command, and change back. This won't work if
{cmd} leaves the focus in a different window. Tab
complete will erroneously reflect the current working
directory, not the project root.
AUTOCOMMANDS *projectionist-autocmds*
Projectionist.vim dispatches a |User| *ProjectionistDetect* event when
searching for projections for a buffer. You can call *projectionist#append()*
to register projections for the file found in *g:projectionist_file* .
>
autocmd User ProjectionistDetect
\ if SomeCondition(g:projectionist_file) |
\ call projectionist#append(root, projections) |
\ endif
<
The |User| *ProjectionistActivate* event is triggered when one or more sets of
projections are found. You can call *projectionist#query()* to retrieve an
array of pairs of project roots and values for a given key. Since typically
you only care about the first (most precisely targeted) value, the following
pattern may prove useful:
>
autocmd User ProjectionistActivate call s:activate()
function! s:activate() abort
for [root, value] in projectionist#query('wrap')
let &l:textwidth = value
break
endfor
endfunction
<
You can also call *projectionist#path()* to get the root of the innermost set
of projections, which is useful for implementing commands like
|projectionist-:Pcd|.
vim:tw=78:et:ft=help:norl: