/**
* Reads parse trees either from standard input or a specified file, converting them to sentences
* and printing those sentences on standard output.
*
* <pre>
* usage: [-v|-help|-usage] [-tags] [filename]
* -v|-help|-usage: prints out this message
* -tags: indicates to spit out one S-expression per word, of the form
* (word (tag))
* filename is the file to be processed (standard input is assumed if
* this argument is "-" or is not present)
* </pre>
*/
public static void main(String[] args) {
InputStream inStream = System.in;
boolean tags = false;
String inFile = null;
for (int i = 0; i < args.length; i++) {
if (args[i].equals("-help") || args[i].equals("-usage") || args[i].equals("-v")) {
usage();
return;
} else if (args[i].equals("-tags")) tags = true;
else if (!args[i].equals("-")) inFile = args[i];
}
if (inFile != null) {
try {
inStream = new FileInputStream(inFile);
} catch (FileNotFoundException fnfe) {
System.err.println(fnfe);
System.exit(-1);
}
}
try {
SexpTokenizer tok = new SexpTokenizer(inStream, Language.encoding(), bufSize);
OutputStream os = System.out;
Writer writer = new BufferedWriter(new OutputStreamWriter(os, Language.encoding()));
PrintWriter pw = new PrintWriter(writer);
Sexp curr = null;
while ((curr = Sexp.read(tok)) != null)
pw.println(tags ? Util.collectTaggedWords(curr) : Util.collectLeaves(curr));
pw.flush();
pw.close();
} catch (Exception e) {
System.out.println(e);
}
}
