Annotate

util/paths.lua @ 7567:495de404a8ae

ejabberdsql2prosody: rename variable 'host' to prevent shadowing upvalue [luacheck] Functions roster(), roster_pending(), roster_group(), private_storage() and offline_msg() have argument named "host", which used to shadow upvalue of this variable before this change. Instead of renaming this argument, let's rename the variable to match what the script says in usage: Usage: ejabberdsql2prosody.lua filename.txt hostname
author Anton Shestakov <av6@dwimlabs.net>
date Fri, 12 Aug 2016 13:44:47 +0800
parent 6505:2dc8dbd0940e
child 10197:91085371cfc5
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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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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(...)
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41 return t_concat({...}, path_sep);
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42 end
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43
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44 return path_util;