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comparison util/stanza.lua @ 8640:8f13ec2ceb06

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util.stanza: Allow :text(nil) and :text("") as harmless nops
author Matthew Wild <mwild1@gmail.com>
date Wed, 21 Mar 2018 22:04:20 +0000
parents 20532f191f8d
children 06c73b010488
comparison
equal deleted inserted replaced
8639:070a77c15f63 8640:8f13ec2ceb06
109 t_insert(last_add, s); 109 t_insert(last_add, s);
110 return self; 110 return self;
111 end 111 end
112 112
113 function stanza_mt:text(text) 113 function stanza_mt:text(text)
114 check_text(text, "text"); 114 if text ~= nil and text ~= "" then
115 local last_add = self.last_add; 115 check_text(text, "text");
116 (last_add and last_add[#last_add] or self):add_direct_child(text); 116 local last_add = self.last_add;
117 (last_add and last_add[#last_add] or self):add_direct_child(text);
118 end
117 return self; 119 return self;
118 end 120 end
119 121
120 function stanza_mt:up() 122 function stanza_mt:up()
121 local last_add = self.last_add; 123 local last_add = self.last_add;