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token_example.cc
/************************************************************************/
/* */
/* Centre for Speech Technology Research */
/* University of Edinburgh, UK */
/* Copyright (c) 1996,1997 */
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/* */
/************************************************************************/
/* Author: Alan W Black */
/* Date: May 1997 */
/************************************************************************/
/* */
/* Example of reading a file using the tokenizer */
/* */
/************************************************************************/
#include <cstdlib>
#include "EST_Token.h"
#if defined(DATAC)
# define __STRINGIZE(X) #X
# define DATA __STRINGIZE(DATAC)
#endif
int main(int argc,char **argv)
{
// Simple program to read all the tokens in the named file
// a print a summary of them
EST_TokenStream ts;
int tokens, alices, quotes;
EST_Token t;
EST_String fname;
if (argc > 2)
{
cerr << argv[0] << ": wrong number of arguments\n";
exit(-1);
}
else if (argc == 2)
fname = argv[1];
else
fname = DATA "/alice";
if (ts.open(fname) == -1)
{
cerr << argv[0] << ": can't open input file \"" << argv[1] <<
"\"\n";
exit(-1);
}
// Control of whitespace characters, single character symbols,
// pre and post punctuation may be set here.
// The defaults are standard whitespace, and nothing for the rest
// (this is like awk's basic tokenizer). For language analysis
// you'll probably want to modify the punctuation
// \173 is '{', it is inserted by number because of a doc++ problem.
ts.set_PrePunctuationSymbols("\173[(\"'");
ts.set_PunctuationSymbols(EST_Token_Default_PunctuationSymbols);
// Note you may set quotes so quoted tokens are read as single
// tokens (a la C)
for (tokens=quotes=alices=0; !ts.eof(); tokens++)
{
t = ts.get();
if (t == "Alice")
alices++;
if (t.prepunctuation().contains("\""))
quotes++;
}
printf("Input file contains:\n");
printf(" %5d tokens\n",tokens);
printf(" %5d tokens preceeded by double quotes\n",quotes);
printf(" %5d occurrences of Alice\n",alices);
return 0;
}
EST_String
Definition EST_String.h:70
EST_String::contains
int contains(const char *s, int pos=-1) const
Does it contain this substring?
Definition EST_String.h:375
EST_TokenStream
Definition EST_Token.h:235
EST_TokenStream::eof
int eof()
end of file
Definition EST_Token.h:356
EST_TokenStream::set_PrePunctuationSymbols
void set_PrePunctuationSymbols(const EST_String &ps)
set which characters are to be treated as (post) punctuation
Definition EST_Token.h:344
EST_TokenStream::set_PunctuationSymbols
void set_PunctuationSymbols(const EST_String &ps)
set which characters are to be treated as (post) punctuation
Definition EST_Token.h:341
EST_TokenStream::open
int open(const EST_String &filename)
open a \Ref{EST_TokenStream} for a file.
Definition EST_Token.cc:200
EST_TokenStream::get
EST_TokenStream & get(EST_Token &t)
get next token in stream
Definition EST_Token.cc:486
EST_Token
Definition EST_Token.h:73