//
// Programmer:    Craig Stuart Sapp <craig@ccrma.stanford.edu>
// Creation Date: Wed Nov 29 09:46:36 PST 2000
// Last Modified: Wed Nov 29 09:46:39 PST 2000
// Filename:      ...sig/examples/all/meter.cpp
// Web Address:   http://sig.sapp.org/examples/museinfo/humdrum/meter.cpp
// Syntax:        C++; museinfo
//
// Description:   Extract the metrical information from interpretation
//                records.
//
// 

#include "humdrum.h"

#include <string.h>
#include <ctype.h>
#include <stdio.h>

// function declarations
void   checkOptions(Options& opts, int argc, char* argv[]);
void   example(void);
void   printAnalysis(HumdrumFile& infile, Array<double>& top,
                                    Array<double>& bottom);
void   usage(const char* command);

// global variables
Options      options;            // database for command-line arguments
int          debugQ     = 0;     // used with the --debug option
int          appendQ    = 0;     // used with the -a option
int          compoundQ  = 1;     // used with the -c option

///////////////////////////////////////////////////////////////////////////

int main(int argc, char* argv[]) {
   HumdrumFile infile;
   Array<double>  metertop;
   Array<double>  meterbottom;

   // process the command-line options
   checkOptions(options, argc, argv);

   // figure out the number of input files to process
   int numinputs = options.getArgCount();

   for (int i=0; i<numinputs || i==0; i++) {
      infile.clear();

      // if no command-line arguments read data file from standard input
      if (numinputs < 1) {
         infile.read(cin);
      } else {
         infile.read(options.getArg(i+1));
      }

      if (compoundQ) {
         infile.analyzeMeter(metertop, meterbottom, AFLAG_COMPOUND_METER);
      } else {
         infile.analyzeMeter(metertop, meterbottom, AFLAG_NOCOMPOUND_METER);
      }
      printAnalysis(infile, metertop, meterbottom);
   }

   return 0;
}


///////////////////////////////////////////////////////////////////////////


//////////////////////////////
//
// checkOptions -- validate and process command-line options.
//

void checkOptions(Options& opts, int argc, char* argv[]) {
   opts.define("a|append=b",    "append analysis to data in output");   
   opts.define("C|compound=b",  "don't try to use compound meters");   

   opts.define("debug=b",  "trace input parsing");   
   opts.define("author=b",  "author of the program");   
   opts.define("version=b", "compilation information"); 
   opts.define("example=b", "example usage"); 
   opts.define("h|help=b",  "short description"); 
   opts.process(argc, argv);
   
   // handle basic options:
   if (opts.getBoolean("author")) {
      cout << "Written by Craig Stuart Sapp, "
           << "craig@ccrma.stanford.edu, Nov 2000" << endl;
      exit(0);
   } else if (opts.getBoolean("version")) {
      cout << argv[0] << ", version: Nov 2000" << endl;
      cout << "compiled: " << __DATE__ << endl;
      cout << MUSEINFO_VERSION << endl;
      exit(0);
   } else if (opts.getBoolean("help")) {
      usage(opts.getCommand());
      exit(0);
   } else if (opts.getBoolean("example")) {
      example();
      exit(0);
   }

   debugQ = opts.getBoolean("debug");
   appendQ = opts.getBoolean("append");

   if (opts.getBoolean("compound")) {
      compoundQ = 0;
   } else {
      compoundQ = 0;
   }

}



//////////////////////////////
//
// example -- example usage of the maxent program
//

void example(void) {
   cout <<
   "                                                                        \n"
   << endl;
}



//////////////////////////////
//
// printAnalysis -- 
//

void printAnalysis(HumdrumFile& infile, Array<double>& metertop,
      Array<double>& meterbottom) {
   int i;
   if (appendQ) {
      for (i=0; i<infile.getNumLines(); i++) {
         switch (infile[i].getType()) {
         case E_humrec_global_comment:
         case E_humrec_bibliography:
         case E_humrec_none:
         case E_humrec_empty:
            cout << infile[i].getLine() << "\n";
            break;
         case E_humrec_data:
            cout << infile[i].getLine() << "\t";
            cout << metertop[i] << "\t";
            cout << meterbottom[i] << "\n";
            break;
         case E_humrec_data_comment:
            if (infile[i].equalFieldsQ("**kern")) {
               cout << infile[i].getLine() << "\t"
                    << infile[i][0] << "\t"
                    << infile[i][0] << "\n";
            } else {
               cout << infile[i].getLine() << "\t!\t!\n";
            }
            break;
         case E_humrec_data_measure:
            if (infile[i].equalFieldsQ("**kern")) {
               cout << infile[i].getLine() << "\t"
                    << infile[i][0] << "\t"
                    << infile[i][0] << "\n";
            } else {
               cout << infile[i].getLine() << "\t=\t=\n";
            }
            break;
         case E_humrec_data_interpretation:
            if (strncmp(infile[i][0], "**", 2) == 0) {
               cout << infile[i].getLine() << "\t";
               cout << "**top\t**bottom" << "\n";
            } else if (infile[i].equalFieldsQ("**kern")) {
               cout << infile[i].getLine() << "\t"
                    << infile[i][0] << "\t";
               cout << infile[i][0] << "\n";
            } else {
               cout << infile[i].getLine() << "\t*\t*\n";
            }
            break;
         }
      }

   } else {

      for (i=0; i<infile.getNumLines(); i++) {
         switch (infile[i].getType()) {
         case E_humrec_global_comment:
         case E_humrec_bibliography:
         case E_humrec_none:
         case E_humrec_empty:
            cout << infile[i].getLine() << "\n";
            break;
         case E_humrec_data:
            cout << metertop[i] << "\t";
            cout << meterbottom[i] << "\n";
            break;
         case E_humrec_data_comment:
            if (infile[i].equalFieldsQ("**kern")) {
               cout << infile[i][0] << "\t";
               cout << infile[i][0] << "\n";
            } else {
               // do nothing
            }
            break;
         case E_humrec_data_measure:
            if (infile[i].equalFieldsQ("**kern")) {
               cout << infile[i][0] << "\t";
               cout << infile[i][0] << "\n";
            } else {
               cout << "\t=\t=\n";
            }
            break;
         case E_humrec_data_interpretation:
            if (strncmp(infile[i][0], "**", 2) == 0) {
               cout << "**top\t**bottom" << "\n";
            } else if (infile[i].equalFieldsQ("**kern")) {
               cout << infile[i][0] << "\t";
               cout << infile[i][0] << "\n";
            } else {
               // do nothing
            }
            break;
         }
      }
   }
}



//////////////////////////////
//
// usage -- gives the usage statement for the quality program
//

void usage(const char* command) {
   cout <<
   "                                                                        \n"
   << endl;
}


// md5sum: 6e8079a93c742e15652842f786a5660f meter.cpp [20050403]