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cmdline.cpp

00001 /*  Time Based Text - Commandline Player and Recorder
00002  *
00003  *  (C) Copyright 2006 - 2008 Denis Roio <jaromil@dyne.org>
00004  *
00005  * This source code is free software; you can redistribute it and/or
00006  * modify it under the terms of the GNU Public License as published 
00007  * by the Free Software Foundation; either version 2 of the License,
00008  * or (at your option) any later version.
00009  *
00010  * This source code is distributed in the hope that it will be useful,
00011  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00012  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
00013  * Please refer to the GNU Public License for more details.
00014  *
00015  * You should have received a copy of the GNU Public License along with
00016  * this source code; if not, write to:
00017  * Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00018  *
00019  */
00020 
00021 
00023 #include <stdio.h>
00024 #include <stdlib.h>
00025 #include <termios.h>
00026 #include <time.h>
00027 #include <errno.h>
00028 #include <string.h>
00029 #include <unistd.h>
00030 #include <inttypes.h>
00031 
00032 #include <getopt.h>
00033 
00034 #include <sys/types.h>
00035 #include <sys/param.h>
00036 #include <sys/time.h>
00037 
00038 #include <assert.h>
00039 #include <signal.h>
00040 
00042 
00043 
00044 // Time Based Text
00045 #include <tbt.h>
00046 
00047 
00048 
00049 // S-Lang widgets
00050 #include <slw_console.h>
00051 #include <slw_text.h>
00052 #include <slw_popup.h>
00053 
00054 // my lovely utils
00055 #include <jutils.h>
00056 
00057 
00058 
00059 // Time Based Text global object
00060 TBT tbt;
00061 
00062 
00063 
00065 
00066 void set_status(SLangWidget *s);
00067 
00068 static const char *help =
00069 "Synopsis: tbt <command> [options] [file]\n"
00070 "Commands:\n"
00071 "  -r   record\n"
00072 "  -p   playback\n"
00073 "  -x   convert\n"
00074 "  -v   print version\n"
00075 "  -h   print this help\n"
00076 "Options:\n"
00077 "  -C   stdin/out commandline mode\n"
00078 "  -s   save format in [ bin | ascii | html | doku ]\n"
00079 #ifdef linux
00080 "  -t   timing mode    [ posix | rtc ]\n"
00081 #endif
00082 "  -D   debug verbosity level (1-3)\n";
00083 
00084 
00085 
00086 
00087 
00088 static const char *short_options = "-hvD:crpxs:t:";
00089 
00090 int debug;
00091 char filename[512];
00092 char convert[512];
00093 
00094 
00095 // act as commandline tool by default
00096 bool console = true;
00097 
00098 // timing modes
00099 #define POSIX 1
00100 #define RTC   2
00101 int timing = POSIX;
00102 
00103 // operation modes
00104 int operation = 0x0;
00105 #define REC        1
00106 #define PLAY       2
00107 #define CONV       4
00108 
00109 
00110 // rendering formats
00111 #define BIN        1
00112 #define ASCII      2
00113 #define HTML       3
00114 #define DOKU       4
00115 int render = BIN;
00116 
00117 
00118 uint64_t key;
00119 
00120 int c, len;
00121 
00122 
00123 void cmdline(int argc, char **argv) {
00124   int res;
00125 
00126   debug = 1;
00127   filename[0] = 0x0;
00128 
00129   fprintf(stderr, "TBT - Time Based Text - %s\n", VERSION);
00130   fprintf(stderr, "Software by Jaromil @ Dyne.org\n\n");
00131 
00133   if ( ! strstr(argv[0], "tbt") )
00134     console = true; // use console by default when binary is aliased
00135   if      ( strstr(argv[0],"rectext") )
00136     operation = REC;
00137   else if ( strstr(argv[0],"playtext") )
00138     operation = PLAY;
00139 
00140 
00141   do {
00142     res = getopt(argc, argv, short_options);
00143     switch(res) {
00144     case 'h':
00145       fprintf(stderr, "%s", help);
00146       exit(0);
00147       break;
00148 
00149     case 'v':
00150       fprintf(stderr,"\n");
00151       exit(0);
00152       break;
00153 
00154     case 'D':
00155       debug = atoi(optarg);
00156       if(debug>3) {
00157         warning("debug verbosity ranges from 1 to 3\n");
00158         debug = 3;
00159       }
00160       break;
00161 
00162     case 'C':
00163       console = false;
00164       break;
00165 
00166     case 'c': /* deprecated */
00167       console = true;
00168       break;
00169 
00170     case 'r':
00171       operation = REC;
00172       break;
00173 
00174     case 'p':
00175       operation = PLAY;
00176       break;
00177 
00178     case 'x':
00179       operation = CONV;
00180       break;
00181 
00182     case 't':
00183       if(strncasecmp(optarg, "rtc", 3) ==0)
00184         timing = RTC;
00185       else
00186         timing = POSIX;
00187       break;
00188 
00189     case 's':
00190       if( strcasecmp(optarg, "BIN") ==0)
00191               render = BIN;
00192       else if( strcasecmp(optarg, "ASCII") ==0)
00193               render = ASCII;
00194       else if( strcasecmp(optarg, "HTML") ==0)
00195               render = HTML;
00196       else if( strncasecmp(optarg, "DOKU", 4) ==0)
00197               render = DOKU;
00198       else {
00199               error ("render format not recognized: %s", optarg);
00200               act ("using default binary format render");
00201               render = BIN;
00202       }
00203       break;
00204 
00205       
00206     case 1:  snprintf(filename,511,"%s", optarg);
00207       
00208     default: break;
00209       
00210     }
00211   } while (res != -1);
00212 
00213   for(;optind<argc;optind++)
00214     snprintf(filename, 511, "%s", argv[optind]);
00215 
00216   if(!filename[0])
00217     sprintf(filename, "record.tbt");
00218 
00219   set_debug(debug);
00220 
00221 }
00222 
00224 
00225 
00226 
00227 
00229 
00230 // S-Lang console
00231 SLangConsole *con;
00232 
00233 // S-Lang widgets
00234 SLW_Text     *txt;
00235 SLW_Text     *status;
00236 
00237 int record_console() {
00238   // initialize the text console
00239   assert( con->init() );
00240 
00241   // give a welcome popup before starting recording
00242   SLW_Popup *info;
00243   info = new SLW_Popup();
00244   info->border = false;
00245   info->set_color(1);
00246   info->set_name("welcome popup");
00247   info->set_text("Welcome to Time Based Text\n"
00248                  "press [ENTER] to start recording\n"
00249                  "press [ESC] when finished.");
00250   con->place(info,
00251              (con->w/2) - 20, (con->h/2) - 5,
00252              (con->w/2) + 20, (con->h/2) + 5);
00253   assert( info->init() );
00254   con->focused = info;
00255   key = 0;
00256   while( con->refresh() ) {
00257     key = con->getkey();
00258     if(key == KEY_ENTER) break;
00259     if(key == KEY_ESC) return 0;
00260   }
00261   delete(info);
00262   
00263   //  initialize the status line
00264   status->border = false;
00265   status->set_color(21);
00266   status->set_name("status box");
00267 
00268   con->place(status, 0, con->h-1, con->w, con->h);
00269 
00270   assert ( status->init() );
00271   
00272   //  set the status widget *** only after placing it! ***
00273   set_status(status);
00274   
00275   // initialize the text canvas
00276   txt->set_name("editor");
00277   txt->cursor = true;
00278   // txt->border = true;
00279   if(! con->place(txt, 0, 0, con->w, con->h-2) ) { //  con->w, con->h-20) ) {
00280     error("error placing the text widget");
00281     return(-1);
00282   }
00283   assert ( txt->init() );
00284   
00285   // focus the text canvas
00286   con->focused = txt;
00287   txt->blank();
00288   
00289   // write out to the status widget
00290   notice("TBT recording, press [ESC] when finished");
00291   
00292   while(!tbt.quit) {
00293     
00294     key = con->getkey();
00295 
00296     if(key == KEY_ESC) break;
00297 
00298     if(key) {
00299       
00300       // save the key and timestamp
00301       tbt.append(key);
00302       
00303       // display the key
00304       con->feed(key);
00305       
00306     }
00307     
00308     if( ! con->refresh() ) tbt.quit = true;
00309     
00310     jsleep(0,10);
00311     
00312   }
00313 
00314   return 1;
00315 }
00316 
00317 
00318 int play_console() {
00319   
00320 
00321   //  initialize the status line
00322   status->border = false;
00323   status->set_name("status box");
00324   if(! con->place(status, 0, con->h-10, con->w, con->h) ) {
00325     error("error placing the status widget");
00326     return(-1);
00327   }
00328   assert ( status->init() );
00329   
00330   //  set the status widget *** only after placing it! ***
00331   set_status(status);
00332  
00333   // place the text canvas
00334   if(! con->place(txt, 0, 0, con->w, con->h-1) ) {
00335           error("error placing the text widget");
00336           return(-1);
00337   }
00338   txt->set_name("player");
00339   assert ( txt->init() );
00340   // focus the text console
00341   con->focused = txt;
00342 
00343 
00344 
00345   // main playback loop
00346   for(c=0; c<len && !tbt.quit; c++) {
00347     
00348     // tbt.getkey is a blocking call
00349     // will wait N time before returning
00350     key = tbt.getkey();
00351 
00352     con->feed(key);
00353     if( ! con->refresh() ) tbt.quit = true;
00354 
00355   }
00356   
00357   return 1;
00358 }
00359 
00361 
00362 
00363 /* signal handling */
00364 void quitproc (int Sig) {
00365   act("interrupt caught, exiting.");
00366   tbt.quit = true;
00367 }
00368 
00369 
00370 
00371 int main(int argc, char** argv)
00372 {
00373 
00374   cmdline(argc, argv);
00375 
00376   if(!operation) {
00377     error("no operation specified, use -h for help on usage.");
00378     exit(0);
00379   }
00380 
00381   if(timing == RTC)
00382     tbt.rtc = true;
00383 
00384   // start the TBT engine
00385   if(! tbt.init() )  exit(0);
00386 
00387   /* register signal traps */
00388   if (signal (SIGINT, quitproc) == SIG_ERR) {
00389     perror ("Couldn't install SIGINT handler"); exit(0); }
00390 
00391   // if playing, load the recording
00392   if(operation == PLAY) {
00393     if( ! tbt.load( filename ) ) {
00394       error("no entries found in file %s",filename);
00395       exit(1);
00396     } else
00397       len = tbt.buffer->len();
00398   }
00399 
00400   if(console) { // initialize the s-lang console
00401     
00402     con = new SLangConsole();
00403     
00404     // initialize the text console
00405     if(! con->init() ) {
00406       error("cannot initialize S-Lang console on this terminal.");
00407       exit(0);
00408     }
00409     
00410     txt    = new SLW_Text();
00411     status = new SLW_Text();
00412     
00413     switch(operation) {
00414     
00415     case REC:
00416       if( !record_console() ) break;
00417       
00418       switch(render) {
00419         
00420       case BIN:
00421         tbt.save_bin( filename );
00422         break;
00423         
00424       case ASCII:
00425         tbt.save_ascii( filename );
00426         break;
00427         
00428       case DOKU:
00429         tbt.save_doku( filename );
00430         break;
00431 
00432       case HTML:
00433         tbt.save_html( filename );
00434         break;
00435         
00436       }
00437       
00438       break;
00439       
00440     case PLAY:
00441       play_console();
00442       break;
00443       
00444     }
00445     
00446     // cleanly close the console
00447     con->refresh();
00448     jsleep(1,0);
00449     con->close();
00450     set_status(NULL);
00451 
00452     if(operation == REC)
00453       notice("TBT file %s rendered in %s format", filename,
00454           (render==BIN)?"binary":(render==ASCII)?"ascii":(render==HTML)?"html":"unknown");
00455 
00456 
00457   } else {
00459     
00460     switch(operation){
00461       
00462     case REC:
00463 
00464       {
00465         // OMFG
00466         struct termios stty;
00467         tcgetattr(0,&stty);
00468         stty.c_lflag ^= ICANON|ECHO;
00469         stty.c_cc[VTIME] = 100; // 10 seconds minute timeout 
00470         stty.c_cc[VMIN] = 0;
00471         tcsetattr(0,TCSANOW,&stty);
00472 
00473         while(!tbt.quit) {
00474           
00475           read(0,(void*)&key,1);
00476 
00477           tbt.append((int64_t)key);
00478 
00479           write(1, (void*)&key, 1);       
00480 
00481         }
00482 
00483         stty.c_lflag |= ICANON|ECHO;
00484         tcsetattr(0,TCSANOW,&stty);
00485       }
00486 
00487       switch(render) {
00488         
00489       case BIN:
00490         tbt.save_bin( filename );
00491         break;
00492         
00493       case ASCII:
00494         tbt.save_ascii( filename );
00495         break;
00496         
00497       case HTML:
00498         tbt.save_html( filename );
00499         break;
00500         
00501       case DOKU:
00502         tbt.save_doku( filename );
00503         break;
00504       }
00505       
00506       break;
00507       
00508     case PLAY:
00509       
00510       // main playback loop
00511       for(c=0; c<len && !tbt.quit; c++) {
00512         // tbt.getkey is a blocking call
00513         // will wait N time before returning
00514         key = tbt.getkey();
00515 
00516         // print out on stdout
00517         write(1, (void*)&key, 1);
00518       }
00519       break;
00520 
00521 
00522 
00523 
00524     case CONV:
00525       // convert to other formats
00526       tbt.load(filename);
00527       
00528       switch(render) {
00529         
00530       case ASCII:
00531         {
00532 
00533           snprintf(convert, 511, "%s.asc",filename);    
00534           tbt.save_ascii( convert );
00535           
00536         }
00537         break;
00538         
00539       case HTML:
00540         {
00541           snprintf(convert, 511,"%s.html",filename);    
00542           tbt.save_html( convert );
00543         }
00544         break;
00545       case BIN:
00546           snprintf(convert, 511,"%s.tbt",filename);     
00547           tbt.save_bin( convert );
00548       }
00549     }
00550   }    
00551 
00552   if( (operation==REC) | (operation==CONV) )
00553     notice("TBT file %s %s to %s format",
00554            (operation==REC)?filename:convert,
00555            (operation==REC)?"recorded":
00556            (operation==CONV)?"converted":"***",
00557            (render==BIN)?"binary":
00558            (render==ASCII)?"ascii":
00559            (render==HTML)?"html":
00560            (render==DOKU)?"dokuwiki":"unknown");
00561     
00562   act("exiting TBT");
00563   act("%u entries streamed.", tbt.buffer->len());
00564 
00565   exit(0);  
00566 }

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