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Jsctypes/api: Difference between revisions
→Calling types
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::* If <code>''t''.elementType</code> is an 8-bit character type and ''val'' is a string: If ''val'' is not a well-formed UTF-16 string, throw a <code>TypeError</code>. Otherwise, let ''s'' = a sequence of bytes, the result of converting ''val'' from UTF-16 to UTF-8, and let ''n'' = the number of bytes in ''s''. Return a new <code>CData</code> object of type <code>ArrayType(''t''.elementType, ''n'' + 1)</code> containing the bytes in ''s'' followed by a null character. | ::* If <code>''t''.elementType</code> is an 8-bit character type and ''val'' is a string: If ''val'' is not a well-formed UTF-16 string, throw a <code>TypeError</code>. Otherwise, let ''s'' = a sequence of bytes, the result of converting ''val'' from UTF-16 to UTF-8, and let ''n'' = the number of bytes in ''s''. Return a new <code>CData</code> object of type <code>ArrayType(''t''.elementType, ''n'' + 1)</code> containing the bytes in ''s'' followed by a null character. | ||
::* If ''val'' is | ::* If ''val'' is a JavaScript array object and <code>''val''.length</code> is a nonnegative integer, let ''u'' = <code>ArrayType(''t''.elementType, ''val''.length)</code> and return <code>new ''u''(''val'')</code>. ''(Array <code>CData</code> objects created in this way have <code>''cdata''.constructor === ''u''</code>, not ''t''. Rationale: For all <code>CData</code> objects, <code>cdata.constructor.size</code> gives the size in bytes, unless a struct field shadows <code>cdata.constructor</code>.)'' | ||
::* Otherwise, throw a <code>TypeError</code>. | ::* Otherwise, throw a <code>TypeError</code>. | ||