From d8e9e044f2be19a01af4c3c9a0ac99b8d00fdcba Mon Sep 17 00:00:00 2001
From: Kim Alvefur <zash@zash.se>
Date: Sun, 7 Mar 2021 00:57:36 +0100
Subject: util.datamapper: Add 'unparse' for turning tables into XML
---
teal-src/util/datamapper.tl | 103 +++++++++++++++++++++++++++++++++++++++++++-
1 file changed, 102 insertions(+), 1 deletion(-)
(limited to 'teal-src')
diff --git a/teal-src/util/datamapper.tl b/teal-src/util/datamapper.tl
index b58f94ae..925bf1cd 100644
--- a/teal-src/util/datamapper.tl
+++ b/teal-src/util/datamapper.tl
@@ -94,7 +94,108 @@ local function parse (schema : js.schema_t, s : st.stanza_t) : table
end
end
+local function unparse ( schema : js.schema_t, t : table, current_name : string, current_ns : string ) : st.stanza_t
+ if schema.type == "object" then
+
+ if schema.xml then
+ if schema.xml.name then
+ current_name = schema.xml.name
+ end
+ if schema.xml.namespace then
+ current_ns = schema.xml.namespace
+ end
+ -- TODO prefix?
+ end
+
+ local out = st.stanza(current_name, { xmlns = current_ns })
+
+ for prop, propschema in pairs(schema.properties) do
+ local v = t[prop]
+
+ if v ~= nil then
+ local proptype : js.schema_t.type_e
+ if propschema is js.schema_t then
+ proptype = propschema.type
+ elseif propschema is js.schema_t.type_e then
+ proptype = propschema
+ end
+
+ local name = prop
+ local namespace = current_ns
+ local prefix : string = nil
+ local is_attribute = false
+ local is_text = false
+
+ if propschema is js.schema_t and propschema.xml then
+
+ if propschema.xml.name then
+ name = propschema.xml.name
+ end
+ if propschema.xml.namespace then
+ namespace = propschema.xml.namespace
+ end
+
+ if propschema.xml.prefix then
+ prefix = propschema.xml.prefix
+ end
+
+ if propschema.xml.attribute then
+ is_attribute = true
+ elseif propschema.xml.text then
+ is_text = true
+ end
+ end
+
+ if is_attribute then
+ local attr = name
+ if prefix then
+ attr = prefix .. ':' .. name
+ elseif namespace ~= current_ns then
+ attr = namespace .. "\1" .. name
+ end
+
+ if proptype == "string" and v is string then
+ out.attr[attr] = v
+ elseif proptype == "number" and v is number then
+ out.attr[attr] = string.format("%g", v)
+ elseif proptype == "integer" and v is number then
+ out.attr[attr] = string.format("%d", v)
+ elseif proptype == "boolean" then
+ out.attr[attr] = v and "1" or "0"
+ end
+ elseif is_text then
+ if v is string then
+ out:text(v)
+ end
+ else
+ local propattr : { string : string }
+ if namespace ~= current_ns then
+ propattr = { xmlns = namespace }
+ end
+ if proptype == "string" and v is string then
+ out:text_tag(name, v, propattr)
+ elseif proptype == "number" and v is number then
+ out:text_tag(name, string.format("%g", v), propattr)
+ elseif proptype == "integer" and v is number then
+ out:text_tag(name, string.format("%d", v), propattr)
+ elseif proptype == "boolean" and v is boolean then
+ out:text_tag(name, v and "1" or "0", propattr)
+ elseif proptype == "object" and propschema is js.schema_t and v is table then
+ local c = unparse(propschema, v, name, namespace);
+ if c then
+ out:add_direct_child(c);
+ end
+ -- else TODO
+ end
+ end
+ end
+ end
+ return out;
+
+ end
+end
+
return {
parse = parse,
- -- unparse = unparse, -- TODO
+ unparse = unparse,
}
--
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