fst-infl.C
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/*******************************************************************/
/* */
/* FILE fst-infl.C */
/* MODULE fst-infl */
/* PROGRAM SFST */
/* AUTHOR Helmut Schmid, IMS, University of Stuttgart */
/* */
/*******************************************************************/
#include "fst.h"
using std::cerr;
using std::vector;
const int BUFFER_SIZE=1000;
bool Verbose=true;
bool WithBrackets=true;
vector<char*> Filenames;
/*******************************************************************/
/* */
/* usage */
/* */
/*******************************************************************/
void usage()
{
cerr << "\nUsage: fst-infl [options] tfile [file [file]]\n\n";
cerr << "Options:\n";
cerr << "-t tfile: alternative transducer\n";
cerr << "-n: Print multi-character symbols without angle brackets\n";
cerr << "-h: print this message\n";
cerr << "-q: suppress status messages\n";
exit(1);
}
/*******************************************************************/
/* */
/* get_flags */
/* */
/*******************************************************************/
void get_flags( int *argc, char **argv )
{
for( int i=1; i<*argc; i++ ) {
if (strcmp(argv[i],"-q") == 0) {
Verbose = false;
argv[i] = NULL;
}
else if (strcmp(argv[i],"-n") == 0) {
WithBrackets = false;
argv[i] = NULL;
}
else if (strcmp(argv[i],"-h") == 0) {
usage();
argv[i] = NULL;
}
else if (i < *argc-1) {
if (strcmp(argv[i],"-t") == 0) {
Filenames.push_back(argv[i+1]);
argv[i] = NULL;
argv[++i] = NULL;
}
}
}
// remove flags from the argument list
int k;
for( int i=k=1; i<*argc; i++)
if (argv[i] != NULL)
argv[k++] = argv[i];
*argc = k;
}
/*******************************************************************/
/* */
/* main */
/* */
/*******************************************************************/
int main( int argc, char **argv )
{
FILE *file, *outfile;
vector<Transducer*> transducer;
get_flags(&argc, argv);
if (argc < 2)
usage();
Filenames.push_back(argv[1]);
try {
for( size_t i=0; i<Filenames.size(); i++ ) {
if ((file = fopen(Filenames[i],"rb")) == NULL) {
fprintf( stderr, "\nError: Cannot open transducer file %s\n\n",
Filenames[i]);
exit(1);
}
if (Verbose)
cerr << "reading transducer from file \"" << Filenames[i] <<"\"...\n";
transducer.push_back(new Transducer(file));
fclose(file);
if (Verbose)
cerr << "finished.\n";
}
if (argc <= 2)
file = stdin;
else {
if ((file = fopen(argv[2],"rt")) == NULL) {
fprintf(stderr,"Error: Cannot open input file %s\n\n", argv[2]);
exit(1);
}
}
if (argc <= 3)
outfile = stdout;
else {
if ((outfile = fopen(argv[3],"wt")) == NULL) {
fprintf(stderr,"Error: Cannot open output file %s\n\n", argv[3]);
exit(1);
}
}
char buffer[BUFFER_SIZE];
while (fgets(buffer, BUFFER_SIZE, file)) {
int l=(int)strlen(buffer)-1;
if (buffer[l] == '\n')
buffer[l] = '\0';
fprintf(outfile, "> %s\n", buffer);
size_t i;
for( i=0; i<transducer.size(); i++ )
if (transducer[i]->analyze_string(buffer, outfile, WithBrackets))
break;
if (i == transducer.size())
fprintf( outfile, "no result for %s\n", buffer);
}
}
catch (const char *p) {
cerr << p << "\n";
return 1;
}
return 0;
}