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author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
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committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
tree | 10027f336435511475e392454359edea8e25895d /netwerk/base/nsIContentSniffer.idl | |
parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
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Add m-esr52 at 52.6.0
Diffstat (limited to 'netwerk/base/nsIContentSniffer.idl')
-rw-r--r-- | netwerk/base/nsIContentSniffer.idl | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/netwerk/base/nsIContentSniffer.idl b/netwerk/base/nsIContentSniffer.idl new file mode 100644 index 000000000..f9052b8e6 --- /dev/null +++ b/netwerk/base/nsIContentSniffer.idl @@ -0,0 +1,35 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "nsISupports.idl" + +interface nsIRequest; + +/** + * Content sniffer interface. Components implementing this interface can + * determine a MIME type from a chunk of bytes. + */ +[scriptable, uuid(a5772d1b-fc63-495e-a169-96e8d3311af0)] +interface nsIContentSniffer : nsISupports +{ + /** + * Given a chunk of data, determines a MIME type. Information from the given + * request may be used in order to make a better decision. + * + * @param aRequest The request where this data came from. May be null. + * @param aData Data to check + * @param aLength Length of the data + * + * @return The content type + * + * @throw NS_ERROR_NOT_AVAILABLE if no MIME type could be determined. + * + * @note Implementations should consider the request read-only. Especially, + * they should not attempt to set the content type property that subclasses of + * nsIRequest might offer. + */ + ACString getMIMETypeFromContent(in nsIRequest aRequest, + [const,array,size_is(aLength)] in octet aData, + in unsigned long aLength); +}; |