diff options
| -rw-r--r-- | spec/util_stanza_spec.lua | 20 | ||||
| -rw-r--r-- | util/stanza.lua | 8 |
2 files changed, 28 insertions, 0 deletions
diff --git a/spec/util_stanza_spec.lua b/spec/util_stanza_spec.lua index b9ab1e31..5306c05b 100644 --- a/spec/util_stanza_spec.lua +++ b/spec/util_stanza_spec.lua @@ -455,6 +455,26 @@ describe("util.stanza", function() end); end); + describe("get_child_with_attr", function () + local s = st.message({ type = "chat" }) + :text_tag("body", "Hello world", { ["xml:lang"] = "en" }) + :text_tag("body", "Bonjour le monde", { ["xml:lang"] = "fr" }) + :text_tag("body", "Hallo Welt", { ["xml:lang"] = "de" }) + + it("works", function () + assert.equal(s:get_child_with_attr("body", nil, "xml:lang", "en"):get_text(), "Hello world"); + assert.equal(s:get_child_with_attr("body", nil, "xml:lang", "de"):get_text(), "Hallo Welt"); + assert.equal(s:get_child_with_attr("body", nil, "xml:lang", "fr"):get_text(), "Bonjour le monde"); + assert.is_nil(s:get_child_with_attr("body", nil, "xml:lang", "FR")); + assert.is_nil(s:get_child_with_attr("body", nil, "xml:lang", "es")); + end); + + it("supports normalization", function () + assert.equal(s:get_child_with_attr("body", nil, "xml:lang", "EN", string.upper):get_text(), "Hello world"); + assert.is_nil(s:get_child_with_attr("body", nil, "xml:lang", "ES", string.upper)); + end); + end); + describe("#clone", function () it("works", function () local s = st.message({type="chat"}, "Hello"):reset(); diff --git a/util/stanza.lua b/util/stanza.lua index 7f321da8..d03558ce 100644 --- a/util/stanza.lua +++ b/util/stanza.lua @@ -191,6 +191,14 @@ function stanza_mt:child_with_ns(ns) end end +function stanza_mt:get_child_with_attr(name, xmlns, attr_name, attr_value, normalize) + for tag in self:childtags(name, xmlns) do + if (normalize and normalize(tag.attr[attr_name]) or tag.attr[attr_name]) == attr_value then + return tag; + end + end +end + function stanza_mt:children() local i = 0; return function (a) |