From 2bcc9897a397de883561ebc19605d667a517c1c3 Mon Sep 17 00:00:00 2001 From: Vsevolod Stakhov Date: Tue, 21 Dec 2021 21:18:17 +0000 Subject: [Minor] Use unhex utility --- lualib/lua_content/pdf.lua | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) (limited to 'lualib') diff --git a/lualib/lua_content/pdf.lua b/lualib/lua_content/pdf.lua index b3c1f6002..45c11d3b4 100644 --- a/lualib/lua_content/pdf.lua +++ b/lualib/lua_content/pdf.lua @@ -181,17 +181,14 @@ local function generic_grammar_elts() -- Helper functions local function pdf_hexstring_unescape(s) - local function ue(cc) - return string.char(tonumber(cc, 16)) - end if #s % 2 == 0 then -- Sane hex string - return s:gsub('..', ue) + return lua_util.unhex(s) end -- WTF hex string -- Append '0' to it and unescape... - return s:sub(1, #s - 1):gsub('..' , ue) .. (s:sub(#s) .. '0'):gsub('..' , ue) + return lua_util.unhex(s:sub(1, #s - 1)) .. lua_util.unhex((s:sub(#s) .. '0')) end local function pdf_string_unescape(s) -- cgit v1.2.3