stream-tokenizer-test.cc

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#include <iostream>
#include <string>

#include "stream-tokenizer.h"

using namespace std;
using namespace infact;

int
main(int argc, char **argv) {
  cerr << "Testing StreamTokenizer with string arg constructor:" << endl;
  std::string test_string = "foo(bar, baz(34), bleh(\"fleh with spaces\"))";
  StreamTokenizer st1(test_string);
  while (st1.HasNext()) {
    StreamTokenizer::TokenType type = st1.PeekTokenType();
    size_t start = st1.PeekTokenStart();
    size_t line_number = st1.PeekTokenLineNumber();
    cout << "token: \"" << st1.Next() << "\""
         << "; type=" << StreamTokenizer::TypeName(type)
         << "; start=" << start
         << "; line=" << line_number
         << endl;
    cout << "chars so far: '" << st1.str() << "'" << endl;
  }
  cerr << "Done." << endl;

  cerr << "\nTesting Putback:" << endl;
  st1.Putback();
  while (st1.HasNext()) {
    StreamTokenizer::TokenType type = st1.PeekTokenType();
    size_t start = st1.PeekTokenStart();
    size_t line_number = st1.PeekTokenLineNumber();
    cout << "token: \"" << st1.Next() << "\""
         << "; type=" << StreamTokenizer::TypeName(type)
         << "; start=" << start
         << "; line=" << line_number
         << endl;
    cout << "chars so far: '" << st1.str() << "'" << endl;
  }

  cerr << "\nTesting Rewind(3):" << endl;
  st1.Rewind(3);
  while (st1.HasNext()) {
    StreamTokenizer::TokenType type = st1.PeekTokenType();
    size_t start = st1.PeekTokenStart();
    size_t line_number = st1.PeekTokenLineNumber();
    cout << "token: \"" << st1.Next() << "\""
         << "; type=" << StreamTokenizer::TypeName(type)
         << "; start=" << start
         << "; line=" << line_number
         << endl;
    cout << "chars so far: '" << st1.str() << "'" << endl;
  }

  cerr << "Testing Rewind():" << endl;
  st1.Rewind();
  while (st1.HasNext()) {
    StreamTokenizer::TokenType type = st1.PeekTokenType();
    size_t start = st1.PeekTokenStart();
    size_t line_number = st1.PeekTokenLineNumber();
    cout << "token: \"" << st1.Next() << "\""
         << "; type=" << StreamTokenizer::TypeName(type)
         << "; start=" << start
         << "; line=" << line_number
         << endl;
    cout << "chars so far: '" << st1.str() << "'" << endl;
  }

  cerr << "\nReading from stdin until EOF:" << endl;

  StreamTokenizer st2(cin);
  while (st2.HasNext()) {
    StreamTokenizer::TokenType type = st2.PeekTokenType();
    cout << "token: \"" << st2.Next() << "\""
         << "; type=" << StreamTokenizer::TypeName(type) << endl;
  }
}