From: Paul Hänsch <paul@plutz.net>
Date: Sat, 7 Sep 2024 11:10:52 +0000 (+0200)
Subject: process split fields as arrays
X-Git-Url: https://git.plutz.net/?a=commitdiff_plain;h=refs%2Fheads%2Fmaster;p=confetti

process split fields as arrays
---

diff --git a/lua/vcard.lua b/lua/vcard.lua
index ab81248..3066737 100644
--- a/lua/vcard.lua
+++ b/lua/vcard.lua
@@ -1,6 +1,8 @@
 #!/usr/bin/lua
 
-local Vcard = {}
+local Vcard = {
+  _component_fields = { N = true; GENDER = true; ADR = true; ORG = true; }
+}
 
 -- constructor, synonymous to load()
 function Vcard:new(path)
@@ -25,6 +27,7 @@ end
 function Vcard:parse(data)
   local line, key, attr, value, i, v, n
   local r = {}
+  setmetatable(r, { __index = self })
 
   -- unwrap line continuations, remove carriage return at EOL
   data = data:gsub("\r?\n[ \t]", "")
@@ -34,15 +37,19 @@ function Vcard:parse(data)
   for line in data:gmatch("[^\n]+") do
     key, attr, value = self:_parse_line(line)
     if not r[key] then r[key] = { attr = {} } end
-    for i,v in ipairs(self:_split_by(value, ",")) do
+    if Vcard._component_fields[key] then
+      table.insert(r[key], self:components(value));
+      r[key].attr[#r[key]] = attr
+      r[key][#r[key]][0] = value;
+    else for i,v in ipairs(self:_split_by(value, ",")) do
       table.insert(r[key], v)
       r[key].attr[#r[key]] = attr
-    end
+    end end
   end
 
   -- try to ensure existence of FN field
   if not r["FN"] and r["N"] then
-    n = self:components(r["N"][1])
+    n = r["N"][1]
     r["FN"] = { (n[4] or " ") .. " " .. (n[2] or " ") .. " " ..
                 (n[3] or " ") .. " " .. (n[1] or " ") .. " " ..
                 (n[5] or " ") }
@@ -53,7 +60,6 @@ function Vcard:parse(data)
     r["FN"][1] = r["FN"][1]:gsub("%s+", " "):gsub("^ ", ""):gsub(" $", "")
   end
 
-  setmetatable(r, { __index = self })
   return r
 end
 
@@ -145,6 +151,8 @@ END:VCARD
   assert( vcf["PHONE"][3] == "987654321", "Phone/3 wrong number" )
   assert( vcf["PHONE"].attr[3][2] == "TYPE=Cell", "Phone/3 attr type=cell" )
   assert( vcf["FN"][1] == "Title Firstname Middle Names Lastname Suffix" )
+  assert( vcf["N"][1][1] == "Lastname" )
+  assert( vcf["N"][1][4] == " Title" )
 
   vcf = self:parse([=[
 BEGIN:VCARD