version 2.24.0

New PIParseHelper class

doc/examples/piparsehelper.cpp

@@ -0,0 +1,91 @@
+#include "pip.h"
+
+//! [0]
+enum Header {
+	hInt = 1,
+	hString,
+	hVoid
+};
+
+class MyObj: public PIObject, public PIParseHelper<uchar> {
+	PIOBJECT(MyObj);
+public:
+	MyObj(): PIParseHelper<uchar>(this) {
+		// Keys with 1 argument
+		assign(hInt, std::function<void(int)>([this](int i){piCout << "lambda type Int" << i;}));
+		assign(hInt, HANDLER(methodI));
+		assign(hString, HANDLER(methodS));
+
+		// hVoid key, without arguments
+		assign(hVoid, [](){piCout << "type void";});
+		assign(hVoid, HANDLER(method));
+	}
+	EVENT_HANDLER1(void, methodI, int, i) {piCout << "methodI" << i;}
+	EVENT_HANDLER1(void, methodS, PIString, s) {piCout << "methodS" << s;}
+	EVENT_HANDLER0(void, method) {piCout << "method";}
+};
+
+int main() {
+	MyObj o;
+
+	PIByteArray data;
+
+	data.clear();
+	data << 11;
+	o.parse(hInt, data);
+	// lambda type Int 11
+	// methodI 11
+
+	data.clear();
+	data << PIString("text");
+	o.parse(hString, data);
+	// methodS text
+
+	data.clear();
+	o.parse(hVoid, data);
+	// type void
+	// method
+}
+//! [0]
+
+
+//! [1]
+enum Header {
+	hInt = 1,
+	hString,
+	hVoid
+};
+
+class MyObj: public PIObject {
+	PIOBJECT(MyObj);
+public:
+	EVENT_HANDLER1(void, methodI, int, i) {piCout << "methodI" << i;}
+	EVENT_HANDLER1(void, methodS, PIString, s) {piCout << "methodS" << s;}
+	EVENT_HANDLER0(void, method) {piCout << "method";}
+};
+
+int main() {
+	MyObj obj;
+	PIParseHelper<int> parser(&obj);
+
+	parser.assign(hInt, obj.HANDLER(methodI));
+	parser.assign(hString, obj.HANDLER(methodS));
+	parser.assign(hVoid, obj.HANDLER(method));
+
+	PIByteArray data;
+
+	data.clear();
+	data << 11;
+	parser.parse(hInt, data);
+	// methodI 11
+
+	data.clear();
+	data << PIString("text");
+	parser.parse(hString, data);
+	// methodS text
+
+	data.clear();
+	parser.parse(hVoid, data);
+	// method
+}
+//! [1]