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Short description of Harbour functions
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cAMF := amf3_Encode( xVal, symConvOut, lBinaryStrings )
xVal - any supported datatype:
Character (String/MEMO), Numeric (Integer/Double), NIL, Logical, Date (encoded as DateTime),
DateTime, Array, Hash (String and Integer keys only),
Object (anonymous hash-like, externalizable, class-mapped)
AMF supports references, so this example a1 value will be serialized correctly.
a1 := { NIL }
a2 := { a1 }
a1[ 1 ] := a2
symConvOut - function symbol for outbound conversion
Acts recursively, so if xVal is array,
all of it's values will be passed to this
function.
lBinaryStrings - treat strings as binary, resulting AMF
datatype will be ByteArray. Normally
a string is encoded to UTF-8.
xVal := amf3_Decode( cAMF, symConvIn )
cAMF - AMF3 serialized binary string
symConvIn - function symbol for inbound conversion
cAMF := amf3_FromWA( [ <bWhile> ], [ <bFor> ], [ <aFields> ], [ <nCount> ], [ <lStrTrim> ], [ <nPackage> ], [ pContext ] )
Function to convert current workarea to AMF3 Array.
bWhile - COPY TO like WHILE codeblock
bFor - COPY TO like FOR codeblock
aFields - array of fieldnames (codeblocks are going to be supported here too)
nCount - NEXT like, process only specified count of records
lStrTrim - RTrim() strings, default is .T.
nPackage - determine the exact output AMF format
0 - Array of records contains Arrays of fields (default)
1 - Array of records contains Anonymous objects
2 - ArrayCollection object
Lower number means lesser packet size on the network.
pContext - when this function is used inside AMF3_ENCODE specified
outbound conversion function, you must pass pointer to
encoding context, otherwise AMF3 references will encoded
incorrectly. Example code of such case:
STATIC FUNCTION ConvOut( xVal, pOuterContext )
LOCAL lClose
IF HB_ISOBJECT( xVal )
IF xVal:className() == "WORKAREAEXPORT"
lClose := xVal:lCloseWA
SELECT ( xVal:nWorkArea )
xVal := amf_Raw():New( amf3_FromWA( xVal:bWhile, xVal:bFor, xVal:aFields, xVal:nCount, xVal:lStrTrim, 1, pOuterContext ) )
IF lClose
CLOSE
ENDIF
ENDIF
ENDIF
RETURN xVal
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