/**
* Sets the input file and stub name strings.
*
* <p>This method needed to support packages that extend DAVE.
*
* @param fn the new file name
*/
public void setInputFileName(String fn) {
this.inputFileName = fn;
this.stubName = DAVE.toStubName(fn);
}
/** Parses any command-line options given. */
private void parseOptions(String inArgs[]) {
String exampleUse =
"Usage: java DAVE [-v][-c][-d][-e][-h][-x][-i] [-o [Text_output_file]] DAVE-ML_document";
int numArgs = inArgs.length;
// Make sure we have at least the input file
if (numArgs < 1) {
System.out.println(exampleUse);
System.out.println("Need at least one argument.");
System.exit(0);
}
// Save arguments into field
this.setArgs(inArgs);
// Retrieve input file name
this.inputFileName = this.args[numArgs - 1];
// Don't deal with stub name if no filename provided
if (this.inputFileName.startsWith("-")) {
numArgs++; // adjust so we'll look at first argument
} else {
// Generate stub file name and list file name
this.stubName = DAVE.toStubName(this.inputFileName);
this.listFileName = this.stubName + ".txt";
}
// Parse remaining options
if (numArgs > 1) {
int parsedArgs = 0;
if (matchOptionArgs("c", "count")) {
this.genStatsFlag = true;
parsedArgs++;
}
if (matchOptionArgs("d", "debug")) {
this.verboseFlag = true;
parsedArgs++;
}
if (matchOptionArgs("e", "eval")) {
this.evaluate = true;
parsedArgs++;
}
if (matchOptionArgs("i", "internal")) {
this.createInternalValues = true;
parsedArgs++;
}
if (matchOptionArgs("o", "list")) {
this.makeListing = true;
if (numArgs > (this.argNum + 2)) {
if (!this.args[this.argNum + 1].startsWith("-")) {
this.listFileName = this.args[this.argNum + 1];
}
}
parsedArgs++;
}
if (matchOptionArgs("v", "version")) {
this.noProcessingRequired = true;
System.out.println("DAVE version " + getVersion());
System.exit(0);
}
if (matchOptionArgs("x", "no-checkcase")) {
this.ignoreCheckcases = true;
parsedArgs++;
System.out.println("Ignoring checkcases");
}
if (matchOptionArgs("h", "help")) {
this.noProcessingRequired = true;
this.helpRequested = true;
parsedArgs++;
}
int numSwitches = this.numCmdLineSwitches();
if (parsedArgs < numSwitches) {
System.err.print("Unable to understand ");
if (numSwitches == 1) {
System.err.println("and parse option switch '" + this.args[this.argNum] + "'.");
} else if (numSwitches == 2) {
System.err.println("and parse both option switches.");
} else {
System.err.println("and parse all " + numSwitches + " option switches.");
}
System.err.println(exampleUse);
System.exit(0);
}
}
}