On Friday, August 29, 2003, at 07:34 AM, Mark Brownell wrote:
I might be able to speed the transcript parallel numerical array builder by converting it to a single loop process.
Yep. As a single looping function it builds an array of elements-found about 33% faster.
If I were to get what I'm really looking for it would be:
getPNLPelements(startTag, endTag, stringToSearch) used like this to get an array of elements from a structured document like XML:
put "<record" into tStartT put "</record>" into tEndT put getPNLPelements(tStartT, tEndT, stringToSearch) into myArray
used like this:
put myArray[1]
-- transactionNumber="1234567" firstname="Bob" lastname="Smith">item# abc123
where:
<record transactionNumber="1234567" firstname="Bob" lastname="Smith">item# abc123</record>
were used as the first instance.
I ran this in the frogBreath.rev tester and got 6 to 7 milliseconds while getting 11 to 12 milliseconds using the three loop PNLP method.
put getPNLPelements("<record>", "</record>", tZap) into theArray
function getPNLPelements tStartTag, tEndTag, StringToSearch
put empty into tArray
put 0 into tStart1
put 0 into tStart2
put 1 into tElementNum
put the number of chars in tStartTag into dChars
repeat
put offset(tStartTag,StringToSearch,tStart1) into tNum1
put (tNum1 + tStart1) into tStart1
if tNum1 < 1 then exit repeat
put offset(tEndTag,StringToSearch,tStart2) into tNum2
put (tNum2 + tStart2) into tStart2
if tNum2 < 1 then exit repeat
--if tNum2 < tNum1 then exit repeat
put char (tStart1 + dChars) to (tStart2 - 1) of StringToSearch into zapped
put zapped into tArray[tElementNum]
add 1 to tElementNum
end repeat
return tArray
end getPNLPelements
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