Initial

midiwrt/INSTRMNT.CPP

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+#include <stdlib.h>
+#include <midiwrt/instrmnt.hpp>
+
+Instruments::Instruments(WORD startOrdinal,WORD endOrdinal)
+{
+  loadInstruments(startOrdinal,endOrdinal);
+}
+
+Instruments::~Instruments()
+{
+}
+
+WORD Instruments::loadInstruments(WORD startOrdinal,WORD endOrdinal)
+{
+	String semicolonString(";");
+  String nullString("\\0");
+	String ordinalString;
+	String categoryString;
+	String nameString;
+	char *lpBuffer;
+	BYTE lineFeed;
+
+	size((endOrdinal-startOrdinal)+1);
+	for(short index=startOrdinal,offset=0;index<=endOrdinal;index++,offset++)
+	{
+		String tempString(index);
+		lpBuffer=::strtok(tempString,semicolonString);
+		if(!lpBuffer)continue;
+		ordinalString=lpBuffer;
+		lpBuffer=::strtok(0,semicolonString);
+		if(!lpBuffer)continue;
+		categoryString=lpBuffer;
+		lpBuffer=::strtok(0,nullString);
+		if(!lpBuffer)continue;
+		nameString=lpBuffer;
+    operator[](offset)=PureInstrument(::atoi(ordinalString),categoryString,nameString);
+	}
+	return (WORD)size();
+}
+
+WORD Instruments::getInstruments(PureVector<PureInstrument> &vectoredInstruments)
+{
+	vectoredInstruments.size(0);
+	if(!size())return FALSE;
+	vectoredInstruments.size(size());
+	for(int i=0;i<size();i++)vectoredInstruments[i]=operator[](i);
+  return vectoredInstruments.size();
+}
+
+WORD Instruments::locateInstrument(WORD ordinalValue,PureInstrument &somePureInstrument)
+{
+	short itemIndex;
+
+	if(!binarySearch(ordinalValue,itemIndex))return FALSE;
+	somePureInstrument=operator[](itemIndex);
+	return TRUE;
+}
+
+WORD Instruments::binarySearch(WORD ordinal,short &itemIndex)
+{
+	short lowerBound(0);
+	short upperBound((short)size()-1);
+	short indexItem;
+
+	do{
+		indexItem=(lowerBound+upperBound)/2;
+		if(operator[](indexItem).ordinal()<ordinal)lowerBound=indexItem+1;
+		else upperBound=indexItem-1;
+	}while(operator[](indexItem).ordinal()!=ordinal&&lowerBound<=upperBound);
+	itemIndex=indexItem;
+  return operator[](indexItem).ordinal()==ordinal;
+}
+
+