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Diffstat (limited to '')
-rw-r--r-- | tags/cpp-stable-20060304/sca/samples/Calculator/Client/Calc.cpp | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/tags/cpp-stable-20060304/sca/samples/Calculator/Client/Calc.cpp b/tags/cpp-stable-20060304/sca/samples/Calculator/Client/Calc.cpp new file mode 100644 index 0000000000..8322532617 --- /dev/null +++ b/tags/cpp-stable-20060304/sca/samples/Calculator/Client/Calc.cpp @@ -0,0 +1,144 @@ +/* ++----------------------------------------------------------------------+ +| (c) Copyright IBM Corporation 2005. | +| All Rights Reserved. | ++----------------------------------------------------------------------+ +| | +| Licensed under the Apache License, Version 2.0 (the "License"); you | +| may not use this file except in compliance with the License. You may | +| obtain a copy of the License at | +| http://www.apache.org/licenses/LICENSE-2.0 | +| | +| Unless required by applicable law or agreed to in writing, software | +| distributed under the License is distributed on an "AS IS" BASIS, | +| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or | +| implied. See the License for the specific language governing | +| permissions and limitations under the License. | ++----------------------------------------------------------------------+ +*/ + +#include "Calculator.h" +#include "osoa/sca/sca.h" +#include <iostream> +#include <stdlib.h> + +using namespace osoa::sca; +using namespace std; + +void usage(); +bool IsNumber(const char *p); + +int main(int argc, char* argv[]) +{ + const char *operation; + float arg1 = 0; + float arg2 = 0; + + if (argc == 4) + { + operation = argv[1]; + + if (!IsNumber(argv[2])) + { + cout << "Calc.exe: Argument 1 is not a number" << endl; + usage(); + } + else + { + arg1 = atof(argv[2]); + } + + if (!IsNumber(argv[3])) + { + cout << "Calc.exe: Argument 2 is not a number" << endl; + usage(); + } + else + { + arg2 = atof(argv[3]); + } + } + else + { + usage(); + } + + try + { + + // Set the default module environment variable: <subsystem>/<moduleName> + //char *defaultModule = "SCA4CPP_DEFAULT_MODULE=SubSystem2/CalculatorServiceModule"; + //putenv(defaultModule); + + // Locate a service + ModuleContext myContext = ModuleContext::getCurrent(); + Calculator *calcService = (Calculator*) myContext.locateService("CalculatorServiceComponent"); + if (calcService == 0) + { + cout << "Calc.exe: Unable to find Calculator service" << endl; + } + else + { + try + { + float result = 0; + if (strcmp(operation, "add") == 0) + { + result = calcService->add(arg1, arg2); + cout << "Calculator: add(" << arg1 << "," << arg2 << ") = " << result << endl; + } + else + if (strcmp(operation, "sub") == 0) + { + result = calcService->sub(arg1, arg2); + cout << "Calculator: sub(" << arg1 << "," << arg2 << ") = " << result << endl; + } + else + if (strcmp(operation, "mul") == 0) + { + result = calcService->mul(arg1, arg2); + cout << "Calculator: mul(" << arg1 << "," << arg2 << ") = " << result << endl; + } + else + if (strcmp(operation, "div") == 0) + { + result = calcService->div(arg1, arg2); + cout << "Calculator: div(" << arg1 << "," << arg2 << ") = " << result << endl; + } + else + { + cout << "Calculator: Unrecognized operation: " << operation << endl; + } + } + catch (char* x) + { + cout << "Calc.exe: exception caught: " << x << endl; + } + } + + } + catch (ServiceRuntimeException& ex) + { + cout << ex << endl; + } + return 0; +} + +void usage() +{ + cout << "Usage: calc add|sub|mul|div arg1 arg2" << endl; + exit(1); +} + +bool IsNumber (const char *p) +{ + int len = strlen(p); + for (int i = 0; i < len; i++) + { + if (!isdigit (p[i])) + { + return false; + } + } + return true; +} |