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64 lines
1.7 KiB
64 lines
1.7 KiB
1 year ago
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local utils = require 'repl.utils'
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local lfs = require 'lfs'
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repl:requirefeature 'completion'
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local function guess_directory_separator(file_name)
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return file_name:match('/') or
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file_name:match('\\') or
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'/'
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end
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local function split_parent_directory(file_name)
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local parent_directory, directory_entry =
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file_name:match('^(.+)[\\/](.+)$')
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if not parent_directory then
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parent_directory = '.'
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directory_entry = file_name
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end
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return parent_directory, directory_entry
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end
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local function is_ignored_directory_entry(entry)
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return entry == '.' or
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entry == '..'
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end
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local function replace_end_of_string(str, suffix, replacement)
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assert(str:sub(-#suffix) == suffix)
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return str:sub(1, -(#suffix+1)) .. replacement
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end
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local function complete_file_name(file_name, expr, callback)
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local directory, partial_entry = split_parent_directory(file_name)
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for entry in lfs.dir(directory) do
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if not is_ignored_directory_entry(entry) and
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entry:find(partial_entry, 1, true) == 1 then
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callback(replace_end_of_string(expr, partial_entry, entry))
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end
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end
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end
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local function complete_directory(directory, expr, callback)
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for entry in lfs.dir(directory) do
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if not is_ignored_directory_entry(entry) then
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callback(expr..entry)
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end
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end
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end
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function after:complete(expr, callback)
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if utils.ends_in_unfinished_string(expr) then
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local file_name = expr:match('[%w@/\\.-_+#$%%{}[%]!~ ]+$')
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if file_name then
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if file_name:find('[/\\]$') then
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complete_directory(file_name, expr, callback)
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else
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complete_file_name(file_name, expr, callback)
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end
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else
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complete_directory('.', expr, callback)
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end
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end
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end
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