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Implement missing interfaces of File DOM object

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This commit is contained in:
Zhen Zhang 2016-05-10 20:23:17 +08:00
parent f43009333f
commit 87fec3e026
8 changed files with 71 additions and 141 deletions
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35
components/script/dom/blob.rs
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@ -119,23 +119,11 @@ impl Blob {
// TODO: accept other blobParts types - ArrayBuffer or ArrayBufferView
let bytes: Vec<u8> = match blobParts {
None => Vec::new(),
Some(blobs) => {
blobs.iter().flat_map(|bPart| {
match bPart {
&BlobOrString::String(ref s) => {
UTF_8.encode(s, EncoderTrap::Replace).unwrap()
},
&BlobOrString::Blob(ref b) => {
b.get_data().get_bytes().to_vec()
},
}
})
.collect()
}
Some(blobparts) => blob_parts_to_bytes(blobparts),
};
let slice = DataSlice::new(Arc::new(bytes), None, None);
Ok(Blob::new(global, slice, blobPropertyBag.get_typestring()))
Ok(Blob::new(global, slice, &blobPropertyBag.get_typestring()))
}
pub fn get_data(&self) -> &DataSlice {
@ -143,6 +131,19 @@ impl Blob {
}
}
pub fn blob_parts_to_bytes(blobparts: Vec<BlobOrString>) -> Vec<u8> {
blobparts.iter().flat_map(|blobpart| {
match blobpart {
&BlobOrString::String(ref s) => {
UTF_8.encode(s, EncoderTrap::Replace).unwrap()
},
&BlobOrString::Blob(ref b) => {
b.get_data().get_bytes().to_vec()
},
}
}).collect::<Vec<u8>>()
}
impl BlobMethods for Blob {
// https://w3c.github.io/FileAPI/#dfn-size
fn Size(&self) -> u64 {
@ -199,11 +200,11 @@ impl BlobMethods for Blob {
impl BlobBinding::BlobPropertyBag {
pub fn get_typestring(&self) -> &str {
pub fn get_typestring(&self) -> String {
if is_ascii_printable(&self.type_) {
&*self.type_
self.type_.to_lowercase()
} else {
""
"".to_string()
}
}
}