初始化内容

third/midifile/tools/tobinary.cpp

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+//
+// Programmer:    Craig Stuart Sapp <craig@ccrma.stanford.edu>
+// Creation Date: Wed Feb 18 20:48:48 PST 2015
+// Last Modified: Wed Feb 18 20:48:51 PST 2015
+// Filename:      tools/tobinary.cpp
+// URL:           https://github.com/craigsapp/midifile/blob/master/tools/tobinary.cpp
+// Syntax:        C++11
+// vim:           ts=3
+//
+// Description:   Convert a Standard MIDI file into binary format from
+//                the binasc format (ASCII version of the MIDI file which
+//                can be converted back into the binary format without
+//                information loss).
+//
+
+#include "Options.h"
+#include "MidiFile.h"
+
+#include <iostream>
+
+using namespace std;
+using namespace smf;
+
+
+void     checkOptions        (Options& opts);
+void     example             (void);
+void     usage               (const string& command);
+
+// User interface variables:
+Options  options;
+
+
+///////////////////////////////////////////////////////////////////////////
+
+int main(int argc, char** argv) {
+	options.setOptions(argc, argv);
+	checkOptions(options);
+
+	int status;
+	MidiFile midifile;
+
+	if (options.getArgCount() == 2) {
+		// input from first filename
+		status = midifile.read(options.getArg(1));
+		if (status == 0) {
+			cerr << "Error: could not read MIDI file " << options.getArg(1) << endl;
+			exit(1);
+		}
+		status = midifile.write(options.getArg(2));
+		if (status == 0) {
+			cerr << "Error: could not write MIDI file " << options.getArg(2) << endl;
+			exit(1);
+		}
+	} else if (options.getArgCount() == 1) {
+		// input from standard input
+		status = midifile.read(cin);
+		if (status == 0) {
+			cerr << "Error: could not read MIDI file from standard input" << endl;
+			exit(1);
+		}
+		status = midifile.write(options.getArg(1));
+		if (status == 0) {
+			cerr << "Error: could not write MIDI file " << options.getArg(1) << endl;
+			exit(1);
+		}
+	}
+
+	return 0;
+}
+
+///////////////////////////////////////////////////////////////////////////
+
+
+//////////////////////////////
+//
+// checkOptions --
+//
+
+void checkOptions(Options& opts) {
+	opts.define("author=b",   "Author of the program");
+	opts.define("version=b",  "Version of the program");
+	opts.define("example=b",  "Example useage of the program");
+	opts.define("h|help=b",   "List of options for the program");
+	opts.process();
+
+	if (opts.getBoolean("author")) {
+		cout << "Written by Craig Stuart Sapp, "
+		     << "craig@ccrma.stanford.edu, February 2015" << endl;
+		exit(0);
+	} else if (opts.getBoolean("version")) {
+		cout << "tobinary, version 1.0 (18 Feb 2015)\n"
+		     << "compiled: " << __DATE__ << endl;
+		exit(0);
+	} else if (opts.getBoolean("help")) {
+		usage(opts.getCommand());
+		exit(0);
+	} else if (opts.getBoolean("example")) {
+		example();
+		exit(0);
+	}
+
+	if (opts.getArgCount() > 2) {
+		cerr << "Error: Too many filenames given." << endl;
+		exit(1);
+	}
+	if (opts.getArgCount() == 0) {
+		cerr << "Error: Too few filenames given." << endl;
+		exit(1);
+	}
+
+}
+
+
+
+//////////////////////////////
+//
+// example -- shows various command-line option calls to program.
+//
+
+void example(void) {
+	cout <<
+	"\n"
+	<< endl;
+}
+
+
+
+//////////////////////////////
+//
+// usage -- how to run this program from the command-line.
+//
+
+void usage(const string& command) {
+	cout <<
+	"\n"
+	<< endl;
+}
+
+
+