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73 lines
1.8 KiB
73 lines
1.8 KiB
9 months ago
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local M = {}
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M.is_buffer_a_file = function()
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local buffer_name = vim.fn.bufname()
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return buffer_name ~= "" and vim.fn.filereadable(buffer_name) == 1
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end
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M.get_file_path = function()
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if not M.is_buffer_a_file() then
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return nil
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end
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local file_path = vim.fn.expand("%:p")
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return vim.fn.fnamemodify(file_path, ":h") .. "/"
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end
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M.get_netrw_path = function() -- b:netrw_curdir
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if vim.fn.expand("#" .. vim.fn.bufnr()) == "0" then
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return nil
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end
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return vim.fn.fnamemodify(vim.fn.bufname(), ":p")
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end
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M.get_current_directory = function()
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return M.get_file_path() or M.get_netrw_path() or vim.fn.getcwd()
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end
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M.find_project_root = function()
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local current_directory = M.get_current_directory()
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local directory = current_directory
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while directory ~= "/" do
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local git_directory = directory .. "/.git"
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local project_file = directory .. "/.project"
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if vim.fn.isdirectory(git_directory) == 1 or vim.fn.filereadable(project_file) == 1 then
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return directory
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end
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directory = vim.fn.fnamemodify(directory, ":h")
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end
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return nil, current_directory
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end
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-- This will merge tables with index-value pairs and keep the unique values
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M.table_merge_unique = function(...)
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local result = {}
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local seen_values = {}
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for _, value in ipairs(vim.tbl_flatten(...)) do
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if not seen_values[value] then
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seen_values[value] = true
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table.insert(result, value)
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end
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end
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return result
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end
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-- Cut off trailing whitespace and trailing blank lines
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-- https://vi.stackexchange.com/questions/37421/how-to-remove-neovim-trailing-white-space
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-- https://stackoverflow.com/questions/7495932/how-can-i-trim-blank-lines-at-the-end-of-file-in-vim
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M.trim_buffer = function()
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local save_cursor = vim.fn.getpos(".")
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pcall(function() vim.cmd([[%s/\s\+$//e]]) end)
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pcall(function() vim.cmd([[%s#\($\n\s*\)\+\%$##]]) end)
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vim.fn.setpos(".", save_cursor)
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end
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return M
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