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-- Copyright 2007-2010 Mitchell mitchell<att>caladbolg.net. See LICENSE.
local locale = _G.locale
---
-- Snapopen for the textadept module.
module('_m.textadept.snapopen', package.seeall)
-- Markdown:
-- ## Settings
--
-- * `PATHS`: Table of default paths to search.
-- * `DEPTH`: Maximum directory depth to search (defaults to 4).
--
-- ## Examples
--
-- local snapopen = _m.textadept.snapopen
--
-- -- Show all files in PATHS.
-- snapopen()
--
-- -- Show all files in the current file's directory.
-- snapopen(buffer.filename:match('^.+[/\\]'), nil, true)
--
-- -- Show all Lua files in PATHS.
-- snapopen(nil, '!%.lua$')
--
-- -- Ignore the .hg folder in the local Mercurial repository.
-- local project_dir = '/path/to/project'
-- snapopen(project_dir, { folders = { '%.hg' } }, true)
-- settings
PATHS = {}
DEPTH = 4
-- end settings
local lfs = require 'lfs'
-- Determines whether or not the given file matches the given filter.
-- @param file The filename.
-- @param filter The filter table.
-- @return boolean true or false.
local function exclude(file, filter)
if not filter then return false end
local string_match, string_sub = string.match, string.sub
for i = 1, #filter do
local patt = filter[i]
if string_sub(patt, 1, 1) ~= '!' then
if string_match(file, patt) then return true end
else
if not string_match(file, string_sub(patt, 2)) then return true end
end
end
return false
end
-- Adds a directory's contents to a list of files.
-- @param dir The directory to open.
-- @param list The list of files to add dir's contents to.
-- @param depth The current depth of nested folders.
-- @param filter The filter table.
local function add_directory(dir, list, depth, filter)
local string_match, string_gsub = string.match, string.gsub
for file in lfs.dir(dir) do
if not string_match(file, '^%.%.?$') then
file = dir..(not WIN32 and '/' or '\\')..file
if lfs.attributes(file).mode == 'directory' then
if not exclude(file, filter.folders) and depth < DEPTH then
add_directory(file, list, depth + 1, filter)
end
elseif not exclude(file, filter) then
list[#list + 1] = string_gsub(file, '^%.[/\\]', '')
end
end
end
end
---
-- Quickly open a file in set of directories.
-- @param paths A string directory path or table of directory paths to search.
-- @param filter A filter for files and folders to exclude. The filter may be
-- a string or table. Each filter is a Lua pattern. Any files matching a
-- filter are excluded. Prefix a pattern with '!' to exclude any files that
-- do not match the filter. Directories can be excluded by adding filters to
-- a table assigned to a 'folders' key in the filter table.
-- @param exclusive Flag indicating whether or not to exclude PATHS in the
-- search. Defaults to false.
-- @usage _m.textadept.snapopen.open()
-- @usage _m.textadept.snapopen.open(buffer.filename:match('^.+/'), nil, true)
-- @usage _m.textadept.snapopen.open(nil, '!%.lua$')
-- @usage _m.textadept.snapopen.open(nil, { folders = { '%.hg' } })
function open(paths, filter, exclusive)
if not paths then paths = {} end
if type(paths) == 'string' then paths = { paths } end
if not filter then filter = {} end
if type(filter) == 'string' then filter = { filter } end
if not exclusive then
for _, path in ipairs(PATHS) do paths[#paths + 1] = path end
end
local list = {}
for _, path in ipairs(paths) do add_directory(path, list, 1, filter) end
local out =
gui.dialog('filteredlist',
'--title', locale.IO_OPEN_TITLE,
'--button1', 'gtk-ok',
'--button2', 'gtk-cancel',
'--no-newline',
'--columns', 'File',
'--items', unpack(list))
local response, index = out:match('^(%d+)[\r\n]+(%d+)')
if response == '1' then io.open_file(list[tonumber(index) + 1]) end
end
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