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FEATURE: Add xml namespace support.

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This commit is contained in:
Jeremy Wall 2018-12-12 20:26:19 -06:00
parent 3d017a76da
commit 0a09f26aad
2 changed files with 56 additions and 25 deletions
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48
examples/test_xml.ucg
View File

@ -1,26 +1,30 @@
let make_element = macro(name, attrs, children) => {
name = name,
attrs = attrs,
children = children,
};
let doc = {
root = make_element(
"top",
{id = "foo"},
[
make_element(
"child1",
{ attr1 = "value1", attr2 = "value2"},
[
"inner text content",
make_element(
"grandchild",
{},
[{
text = "Another text node",
}]),
])]),
root = {
ns = {
prefix = "myns",
uri = "http://example.com",
},
name = "top",
attrs = {id = "foo"},
children = [
{
ns = "http://example.org/",
name = "child1",
attrs = { attr1 = "value1", attr2 = "value2"},
children = [
"inner text node",
{
name = "myns:grandchild",
children = [
{
text = "Another text node",
},
],
},
],
},
],
},
};
out xml doc;

33
src/convert/xml.rs
View File

@ -77,13 +77,33 @@ impl XmlConverter {
let mut attrs: Option<&Vec<(PositionedItem<String>, Rc<Val>)>> = None;
let mut children: Option<&Vec<Rc<Val>>> = None;
let mut text: Option<&str> = None;
let mut ns: Option<(&str, &str)> = None;
for (ref field, ref val) in fs.iter() {
if field.val == "name" {
name = Some(Self::get_str_val(val.as_ref())?);
}
//if field.val == "namespace" {
// namespace = Some(Self::get_str_val(val.as_ref())?);
//}
if field.val == "ns" {
if let Val::Tuple(ref fs) = val.as_ref() {
let mut prefix = "";
let mut uri = "";
for (ref name, ref val) in fs.iter() {
if val.is_empty() {
continue;
}
if name.val == "uri" {
uri = Self::get_str_val(val.as_ref())?;
}
if name.val == "prefix" {
prefix = Self::get_str_val(val.as_ref())?;
}
}
if uri != "" && prefix != "" {
ns = Some((prefix, uri));
}
} else if let Val::Str(ref s) = val.as_ref() {
ns = Some(("", s));
}
}
if field.val == "attrs" {
// This should be a tuple.
if !val.is_empty() {
@ -119,6 +139,13 @@ impl XmlConverter {
start = start.attr(name.val.as_ref(), Self::get_str_val(val.as_ref())?);
}
}
if let Some((prefix, uri)) = ns {
if prefix == "" {
start = start.default_ns(uri);
} else {
start = start.ns(prefix, uri);
}
}
w.write(start)?;
if children.is_some() {
for child in children.unwrap().iter() {