prosody
ffe4adbd2af9
util/paths.lua

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util/paths.lua @ 13245:ffe4adbd2af9

util.array: Fix new() library function
author Kim Alvefur <zash@zash.se>
date Sat, 22 Jul 2023 16:31:05 +0200
parent 11183:2ac63715ef6f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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2dc8dbd0940e util.paths: Add function for joining path segments
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1 local t_concat = table.concat;
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2
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3 local path_sep = package.config:sub(1,1);
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4
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5 local path_util = {}
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6
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7 -- Helper function to resolve relative paths (needed by config)
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8 function path_util.resolve_relative_path(parent_path, path)
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9 if path then
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10 -- Some normalization
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11 parent_path = parent_path:gsub("%"..path_sep.."+$", "");
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12 path = path:gsub("^%.%"..path_sep.."+", "");
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13
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14 local is_relative;
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15 if path_sep == "/" and path:sub(1,1) ~= "/" then
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16 is_relative = true;
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17 elseif path_sep == "\\" and (path:sub(1,1) ~= "/" and (path:sub(2,3) ~= ":\\" and path:sub(2,3) ~= ":/")) then
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18 is_relative = true;
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19 end
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20 if is_relative then
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21 return parent_path..path_sep..path;
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22 end
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23 end
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24 return path;
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25 end
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26
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27 -- Helper function to convert a glob to a Lua pattern
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28 function path_util.glob_to_pattern(glob)
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29 return "^"..glob:gsub("[%p*?]", function (c)
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30 if c == "*" then
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31 return ".*";
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32 elseif c == "?" then
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33 return ".";
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34 else
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35 return "%"..c;
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36 end
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37 end).."$";
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38 end
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39
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40 function path_util.join(a, b, c, ...) -- (... : string) --> string
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41 -- Optimization: Avoid creating table for most uses
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42 if b then
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43 if c then
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44 if ... then
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45 return t_concat({a,b,c,...}, path_sep);
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46 end
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47 return a..path_sep..b..path_sep..c;
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48 end
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49 return a..path_sep..b;
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50 end
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51 return a;
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52 end
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53
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54 function path_util.complement_lua_path(installer_plugin_path)
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55 -- Checking for duplicates
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56 -- The commands using luarocks need the path to the directory that has the /share and /lib folders.
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57 local lua_version = _VERSION:match(" (.+)$");
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58 local lua_path_sep = package.config:sub(3,3);
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59 local dir_sep = package.config:sub(1,1);
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60 local sub_path = dir_sep.."lua"..dir_sep..lua_version..dir_sep;
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61 if not string.find(package.path, installer_plugin_path, 1, true) then
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62 package.path = package.path..lua_path_sep..installer_plugin_path..dir_sep.."share"..sub_path.."?.lua";
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63 package.path = package.path..lua_path_sep..installer_plugin_path..dir_sep.."share"..sub_path.."?"..dir_sep.."init.lua";
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64 end
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65 if not string.find(package.path, installer_plugin_path, 1, true) then
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66 package.cpath = package.cpath..lua_path_sep..installer_plugin_path..dir_sep.."lib"..sub_path.."?.so";
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67 end
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68 end
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69
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70 return path_util;