OpenXM/src/kxx/ox_texmacs.c - diff

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Diff for /OpenXM/src/kxx/ox_texmacs.c between version 1.22 and 1.48

-version 1.22, 2006/01/19 12:24:15
+version 1.48, 2020/10/07 07:47:23
 Line 1
 Line 1
 Line 1
- /* $OpenXM: OpenXM/src/kxx/ox_texmacs.c,v 1.21 2005/06/16 05:07:24 takayama Exp $ */
+ /* $OpenXM: OpenXM/src/kxx/ox_texmacs.c,v 1.47 2019/09/25 06:30:37 takayama Exp $ */
  #include <stdio.h>
+ #include <stdlib.h>
+ #include <string.h>
  #include <setjmp.h>
  #include <signal.h>
  #include "ox_kan.h"
  #include "serversm.h"
+ #include "ox_pathfinder.h"
- #if defined(__CYGWIN__)
+ #if defined(__CYGWIN__) || defined(__MSYS__)
  #define JMP_BUF sigjmp_buf
- #define SETJMP(env)  sigsetjmp(env,1)
+ #define SETJMP(env)  MYSIGSETJMP(env,1)
- #define LONGJMP(env,p)  siglongjmp(env,p)
+ #define LONGJMP(env,p)  MYSIGLONGJMP(env,p)
  #else
  #define JMP_BUF jmp_buf
- #define SETJMP(env)  setjmp(env)
+ #define SETJMP(env)  MYSETJMP(env)
- #define LONGJMP(env,p)  longjmp(env,p)
+ #define LONGJMP(env,p)  MYLONGJMP(env,p)
  #endif
+ void KSstart(); // kan96xx/Kan/datatype.h
+ void KSstart_quiet(); // kan96xx/Kan/datatype.h
+ int KSexecuteString(char *s); // kan96xx/Kan/datatype.h
  /*
  #define DEBUG
  */
- /* #define DEBUG2 */
+ /*
+ #define DEBUG2
+ */
- #ifdef DEBUG
+ /* Type of View part (user interface engine) */
- #define DATA_BEGIN_V  "<S type=verbatim>"     /* "\002verbatim:" */
+ #define  GENERIC      0   /* DEBUG, xml */
- #define DATA_BEGIN_L  "<S type=latex>"        /* "\002latex:" */
+ #define  V_TEXMACS    1
- #define DATA_BEGIN_P  "<S type=prompt>"        /* "\002channel:prompt " */
+ #define  V_CFEP       2
- #define DATA_BEGIN_PS  "<S type=postscript>"        /* "\002ps: " */
+ #define  V_QFEP       3
- #define DATA_END      "</S>"    /* "\005" */
+ #define  V_SAGE       4
- #else
+ #define  V_JUPYTER       5
- #define DATA_BEGIN_V  "\002verbatim:"
+ int View       = V_TEXMACS ;
- #define DATA_BEGIN_L  "\002latex:"
- #define DATA_BEGIN_P  "\002prompt:"
- #define DATA_BEGIN_PS  "\002ps:"
- #define DATA_END      "\005"
- #endif
- /*
+ char *Data_begin_v[] = {
- #define TEXMACS_END_OF_INPUT  '#'
+   "<S type=verbatim>",
+   "\002verbatim:",
+   "\002",
+   "",
+   "",
+   ""
+ };
+ char *Data_begin_l[] = {
+   "<S type=latex>",
+   "\002latex:",
+   "\002latex:",
+   "",
+   "",
+   ""
+ };
+ char *Data_begin_p[] = {
+   "<S type=prompt>",
+   "\002prompt:",
+   "\002prompt:",
+   "",
+   "",
+   ""
+ };
+ char *Data_begin_ps[] = {
+   "<S type=postscript>",
+   "\002ps:",
+   "\002ps:",
+   "",
+   "",
+   ""
+ };
+ char *Data_end[] = {
+   "</S>",
+   "\005",
+   "\n\005",    /* \n is not a part of the protocol. */
+   "",
+   "",          /* SAGE */
+   "\n"
+ };
+ /* todo:  start_of_input */
+ char End_of_input[] = {
+x5,              /* Use ^E and Return to end the input. */
+   '\n',  /* TEXMACS_END_OF_INPUT. 0xd should be used for multiple lines. */
+x5,    /* CFEP_END_OF_INPUT    */
+x5,
+   '\n',   /* SAGE cf. __init__ */
+   '\n'
+ };
+ /* Note! if you give more than 10 Views, increase the number 10  below.
+    See the option --prompt which should be given after --view is set.
  */
- #define TEXMACS_END_OF_INPUT '\n'
+ char *Prompt[10]={
- #define CFEP_END_OF_INPUT 0x5
+   "generic>", /* generic */
+   "", /* texmacs */
+   "",    /* cfep */
+   "",   /* qfep */
+   "\nasir>",    /* SAGE */
+   "\nPEXPECT_PROMPT>"
+ };
  /* Table for the engine type. */
  #define ASIR          1
  #define SM1           2
-Line 50  extern int Quiet;
+Line 114  extern int Quiet;
 Line 50  extern int Quiet;
 Line 114  extern int Quiet;
  extern JMP_BUF EnvOfStackMachine;
  extern int Calling_ctrlC_hook;
  extern int RestrictedMode, RestrictedMode_saved;
- int Format=1;  /* 1 : latex mode */
+ int Format=1;  /* 1 : latex mode, 2: cfep_png */
  int OutputLimit_for_TeXmacs = (1024*10);
- /* Type of View part (user interface engine) */
- #define  V_TEXMACS    1
- #define  V_CFEP       2
- int View       = V_TEXMACS ;
  int TM_Engine  = ASIR ;
  int TM_asirStarted = 0;
-Line 66  int TM_do_not_print = 0;
+Line 126  int TM_do_not_print = 0;
 Line 66  int TM_do_not_print = 0;
 Line 126  int TM_do_not_print = 0;
  int Xm_noX = 0;
  int NoCopyright = 0;
+ int Cpp = 0;                 /* Use cpp before sending to the engine. */
+ int EngineLogToStdout = 0;   /* Do not run the ox engine inside xterm. */
+ char *AsirInitFile = NULL;
+ char *LanguageResource = NULL;
+ int TM_quiet = 0;
  void ctrlC();
  struct object KpoString(char *s);
  char *KSpopString(void);
-Line 81  static int startEngine(int type,char *msg);
+Line 148  static int startEngine(int type,char *msg);
 Line 81  static int startEngine(int type,char *msg);
 Line 148  static int startEngine(int type,char *msg);
  static int isPS(char *s);
  static int end_of_input(int c);
  static void setDefaultParameterForCfep();
+ static void setDefaultParameterForSage();
+ static void setDefaultParameterForJupyter();
+ static void myEncoder(int c);
+ static void myEncoderS(unsigned char *s);
+ static void myEncoderSn(unsigned char *s,int n);
+ static void outputStringToTunnel0(int channel, unsigned char *s, int size, int view);
+ static void outputStringToTunnel(int channel, unsigned char *s,  int view);
+ static void pngSendFile(char *path);
+ static int pngCheck(void);
+ static void pngNotAvailable(void);
+ static char *pngGetResult();
+ static void flushSm1();
+ static int is_substr_of(char a[],char s[]);
+ static void hexout(FILE *fp,char s[]);
+ static int mystrncmp(char a[],char s[]);
  /* tail -f /tmp/debug-texmacs.txt
     Debug output to understand the timing problem of pipe interface.
  */
  FILE *Dfp;
- main(int argc,char *argv[]) {
+ void main(int argc,char *argv[]) {
    char *s;
    char *r;
    char *sys;
-Line 96  main(int argc,char *argv[]) {
+Line 182  main(int argc,char *argv[]) {
 Line 96  main(int argc,char *argv[]) {
 Line 182  main(int argc,char *argv[]) {
    int vmode=1;
    char *openxm_home;
    char *asir_config;
+   char *path;
    int i;
-   openxm_home = (char *) getenv("OpenXM_HOME");
-   asir_config = (char *) getenv("ASIR_CONFIG");
-   if (openxm_home == NULL || asir_config == NULL) {
-     printv("The environmental variables OpenXM_HOME/ASIR_CONFIG are not set.\nStart the texmacs with openxm texmacs or ox_texmacs by openxm ox_texmacs\nBye...");
-     exit(10);
-   }
  #ifdef DEBUG2
    Dfp = fopen("/tmp/debug-texmacs.txt","w");
  #endif
+   TM_quiet=0;
+   for (i=1; i<argc; i++) {
+     if (strcmp(argv[i],"--quiet")==0) {
+       TM_quiet=1;
+     }
+   }
+   /* Initialize kanlib (gc is also initialized) */
+   if (TM_quiet) {
+     KSstart_quiet();
+   }else{
+     KSstart();
+   }
    /* Set consts */
    Quiet = 1;
    for (i=1; i<argc; i++) {
-Line 119  main(int argc,char *argv[]) {
+Line 212  main(int argc,char *argv[]) {
 Line 119  main(int argc,char *argv[]) {
 Line 212  main(int argc,char *argv[]) {
          View = V_TEXMACS;
        }else if (strcmp(argv[i],"cfep")==0) {
          View = V_CFEP; setDefaultParameterForCfep();
+       }else if (strcmp(argv[i],"qfep")==0) {
+         View = V_QFEP; setDefaultParameterForCfep();
+       }else if (strcmp(argv[i],"sage")==0) {
+         View = V_SAGE; setDefaultParameterForSage();
+       }else if (strcmp(argv[i],"jupyter")==0) {
+         View = V_JUPYTER; setDefaultParameterForJupyter();
        }else{
+         View = GENERIC;
          /* printv("Unknown view type.\n"); */
        }
      } else if (strcmp(argv[i],"--sm1") == 0) {
-Line 135  main(int argc,char *argv[]) {
+Line 235  main(int argc,char *argv[]) {
 Line 135  main(int argc,char *argv[]) {
 Line 235  main(int argc,char *argv[]) {
        Xm_noX = 1;
      }else if (strcmp(argv[i],"--noCopyright") == 0) {
        NoCopyright = 1;
+     }else if (strcmp(argv[i],"--cpp") == 0) {
+       Cpp = 1;
+     }else if (strcmp(argv[i],"--engineLogToStdout") == 0) {
+       EngineLogToStdout = 1;
+     }else if (strcmp(argv[i],"--languageResource") == 0) {
+       i++;
+       LanguageResource = (char *)sGC_malloc(strlen(argv[i])+80);
+       sprintf(LanguageResource,
+                           " /localizedString.file (%s) def localizedString.load ",argv[i]);
+     }else if (strcmp(argv[i],"--asirInitFile") == 0) {
+       i++;
+       AsirInitFile = (char *)sGC_malloc(strlen(argv[i])+80);
+       sprintf(AsirInitFile,"%s",argv[i]);
+     }else if (strcmp(argv[i],"--quiet") == 0) {
+       /* it is already set. Ignore. */
+     }else if (strcmp(argv[i],"--prompt")==0) {
+       i++;
+       Prompt[View] = (char *)sGC_malloc(strlen(argv[i])+2);
+       strcpy(Prompt[View],argv[i]);
      }else{
        /* printv("Unknown option\n"); */
      }
    }
-   /* Initialize kanlib (gc is also initialized) */
+   openxm_home = (char *) getenv("OpenXM_HOME");
-   KSstart();
+   asir_config = (char *) getenv("ASIR_CONFIG");
+   if (openxm_home == NULL)  {
+     printv("Error. The environmental variable OpenXM_HOME is not set.\nStart the texmacs with openxm texmacs or ox_texmacs by openxm ox_texmacs\nBye...");
+     exit(10);
+   }
    /* Main loop */
-   printf("%s",DATA_BEGIN_V);
+   printf("%s",Data_begin_v[View]);
+   if ((asir_config == NULL) && (View == V_TEXMACS)) {
+     printf("Warning. The environmental variable ASIR_CONFIG is not set.\nStart the texmacs with openxm texmacs or ox_texmacs by openxm ox_texmacs.\nOtherwise, tex translation will not be performed\n");
+   }
    printCopyright("");
    /* Load ox engine here */
    /* engine id should be set to ox.engine */
    KSexecuteString(" [(parse) (ox.sm1) pushfile] extension ");
    if (Xm_noX) KSexecuteString(" /Xm_noX 1 def ");
+   if (EngineLogToStdout) KSexecuteString(" /Xm_engineLogToStdout 1 def ");
+   if (LanguageResource != NULL) KSexecuteString(LanguageResource);
    startEngine(TM_Engine," ");
-   if (signal(SIGINT,SIG_IGN) != SIG_IGN) {
+   if (mysignal(SIGINT,SIG_IGN) != SIG_IGN) {
-     signal(SIGINT,ctrlC);
+     mysignal(SIGINT,ctrlC);
    }
    irt = 0;
-Line 167  main(int argc,char *argv[]) {
+Line 299  main(int argc,char *argv[]) {
 Line 167  main(int argc,char *argv[]) {
 Line 299  main(int argc,char *argv[]) {
          RestrictedMode = RestrictedMode_saved;
        }
        Calling_ctrlC_hook = 0;
-       if (signal(SIGINT,SIG_IGN) != SIG_IGN) {
+       if (mysignal(SIGINT,SIG_IGN) != SIG_IGN) {
-         signal(SIGINT,ctrlC);
+         mysignal(SIGINT,ctrlC);
        }
        irt = 1;
        continue;
      } else {  }
      if (!irt) {
-       printf("%s",DATA_END); fflush(stdout);
+       if (View != V_SAGE) printf("%s",Data_end[View]); fflush(stdout);
      }
      irt = 0;
      /* Reading the input. */
+     if ((View == V_SAGE) || (View == V_JUPYTER)) {
+       if (s != NULL) {printf("%s",Prompt[View]); fflush(stdout);}
+       else {printf("%s",&(Prompt[View][1])); fflush(stdout);}
+     }else{
+       printf("%s",Prompt[View]); fflush(stdout);
+     }
      if (TM_Engine == K0) {
        s=readString(stdin, " ", " "); /* see test data */
      }else if (TM_Engine == SM1) {
-Line 188  main(int argc,char *argv[]) {
+Line 326  main(int argc,char *argv[]) {
 Line 188  main(int argc,char *argv[]) {
 Line 326  main(int argc,char *argv[]) {
      }
      if (s == NULL) { irt = 1; continue; }
-     if (!irt) printf("%s",DATA_BEGIN_V);
+     if (!irt) printf("%s",Data_begin_v[View]);
      /* Evaluate the input on the engine */
+     KSexecuteString(" ox.engine oxclearstack ");
      KSexecuteString(" ox.engine ");
      ob = KpoString(s);
      KSpush(ob);
      KSexecuteString(" oxsubmit ");
+         if (TM_Engine == SM1) flushSm1();
-     /* Get the result in string. */
+     /* Get the result in string for cfep. */
-     if (Format == 1 && (! TM_do_not_print)) {
+     if (View != V_TEXMACS) {
+       KSexecuteString(" ox.engine oxgeterrors ");
+       ob = KSpop();
+       if (ob.tag == Sarray) {
+         if (getoaSize(ob) > 0) {
+           ob = getoa(ob,0);
+           KSpush(ob);
+           KSexecuteString(" translateErrorForCfep ");
+           r = KSpopString();
+           outputStringToTunnel(0,(unsigned char *)r,View);
+         }
+       }
+       if (!TM_do_not_print) {
+         if (Format == 2) { /* png mode */
+           r = pngGetResult();
+         }else{
+           KSexecuteString(" ox.engine oxpopstring ");
+           r = KSpopString();
+         }
+         printv(r);
+       }else{
+         KSexecuteString(" ox.engine 1 oxpops ");
+         KSexecuteString(" ox.engine 0 oxpushcmo ox.engine oxpopcmo ");
+         ob = KSpop();
+         printv("");
+       }
+       continue;
+     }
+     /* Get the result in string for texmacs  */
+     if ((Format == 1) && (! TM_do_not_print)) {
        /* translate to latex form */
        KSexecuteString(" ox.engine oxpushcmotag ox.engine oxpopcmo ");
        ob = KSpop();
-Line 243  main(int argc,char *argv[]) {
+Line 413  main(int argc,char *argv[]) {
 Line 243  main(int argc,char *argv[]) {
 Line 413  main(int argc,char *argv[]) {
          printv("");
        }
      }
+     /* note that there is continue above. */
    }
  }
+ static char *pngGetResult(void) {
+   struct object ob;
+   int vmode;
+   char *r;
+   char *path;
+   /* translate to latex form */
+   KSexecuteString(" ox.engine oxpushcmotag ox.engine oxpopcmo ");
+   ob = KSpop();
+   vmode = 0;
+   /* printf("id=%d\n",ob.tag); bug: matrix return 17 instead of Sinteger
+      or error. */
+   if (ob.tag == Sinteger) {
+     /* printf("cmotag=%d\n",ob.lc.ival);*/
+     if (ob.lc.ival == CMO_ERROR2) {
+       vmode = 1;
+     }
+     if (ob.lc.ival == CMO_STRING) {
+       vmode = 1;
+     }
+   }
+   if (vmode) {
+     KSexecuteString(" ox.engine oxpopstring ");
+     r = KSpopString();
+   }else{
+     KSexecuteString(" ox.engine 1 oxpushcmo ox.engine (print_png_form2) oxexec  ");
+     KSexecuteString(" ox.engine oxpopcmo /tmp_ox_texmacs set tmp_ox_texmacs 0 get ");
+     r = KSpopString();  /* input form */
+     KSexecuteString(" tmp_ox_texmacs 1 get ");
+     path = KSpopString(); /* path name of the png file. */
+     pngSendFile(path);
+   }
+   return r;
+ }
  #define SB_SIZE 1024
  #define INC_BUF     if (n >= limit-3) { \
        tmp = s; \
-Line 258  main(int argc,char *argv[]) {
+Line 464  main(int argc,char *argv[]) {
 Line 258  main(int argc,char *argv[]) {
 Line 464  main(int argc,char *argv[]) {
        strcpy(s,tmp); \
      }
  /*   */
+ static char *Sss=NULL;
+ static int Sss_size=10240;
  static char *readString(FILE *fp, char *prolog, char *epilog) {
    int n = 0;
    static int limit = 0;
-Line 284  static char *readString(FILE *fp, char *prolog, char *
+Line 493  static char *readString(FILE *fp, char *prolog, char *
 Line 284  static char *readString(FILE *fp, char *prolog, char *
 Line 493  static char *readString(FILE *fp, char *prolog, char *
    start = n;
    while ((c = fgetc(fp)) != EOF) {
  #ifdef DEBUG2
-     fprintf(Dfp,"[%x] ",c); fflush(Dfp);
+     fprintf(Dfp,"[%x]%c ",c,c); fflush(Dfp);
  #endif
      if (end_of_input(c)) {
        /* If there remains data in the stream,
-          read the remaining data. */
+          read the remaining data. (for debug) */
-           /*
+       /*
-       if (oxSocketSelect0(0,1)) {
+       if ((View == V_JUPYTER) || (View == V_SAGE)) {
-         if (c == '\n') c=' ';
+         if (oxSocketSelect0(0,1)) {
+ #ifdef DEBUG2
+           fprintf(Dfp,"<%x>%c ",c,c); fflush(Dfp);
+ #endif
+           if (c == '\n') c=' ';
+           s[n++] = c; s[n] = 0;  m++;
+           INC_BUF ;
+           continue;
+         }
+       }
+       */
+       if (View == V_JUPYTER) {
          s[n++] = c; s[n] = 0;  m++;
          INC_BUF ;
-         continue;
        }
-       */
        break;
      }
      if ( c == '\v') c=' ';
      s[n++] = c; s[n] = 0;  m++;
      INC_BUF ;
    }
+   if ((c == EOF) && (start == n)) exit(0);
    /* Check the escape sequence */
-   if (strcmp(&(s[start]),"!quit;") == 0) {
+   if (mystrncmp(&(s[start]),"!quit;") == 0) {
      printv("Terminated the process ox_texmacs.\n");
      exit(0);
    }
+   if (((View == V_JUPYTER) || (View == V_SAGE)) &&
+       ((mystrncmp(&(s[start]),"quit")==0) || (mystrncmp(&(s[start]),"quit()")==0))) {
+     printv("Terminated the process ox_texmacs.\n");
+     exit(0);
+   }
+   if ((View == V_JUPYTER) &&
+       (mystrncmp(&(s[start]),"version")==0)) {
+     strcpy(&(s[start]),"version");
+     s[n=strlen(s)]='('; s[++n]=0; INC_BUF;
+     s[n++]=')'; s[n]=0; INC_BUF;
+   }
    /* Check the escape sequence to change the global env. */
    if (strcmp(&(s[start]),"!verbatim;") == 0) {
-     printv("Output mode is changed to verbatim mode.");
+     if (View != V_CFEP) printv("Output mode is changed to verbatim mode.");
      Format=0;
      return NULL;
    }
-Line 319  static char *readString(FILE *fp, char *prolog, char *
+Line 549  static char *readString(FILE *fp, char *prolog, char *
 Line 319  static char *readString(FILE *fp, char *prolog, char *
 Line 549  static char *readString(FILE *fp, char *prolog, char *
      Format = 1;
      return NULL;
    }
+   if (strcmp(&(s[start]),"!cfep_png;") == 0) {
+         if (pngCheck()) {
+           if (View != V_CFEP) printv("Output mode is changed to cfep_png/verbose.");
+       Format = 2;
+     } else pngNotAvailable();
+     return NULL;
+   }
    if (strcmp(&(s[start]),"!asir;") == 0) {
      Format=1;
      TM_Engine=ASIR; startEngine(TM_Engine,"Asir");
-Line 335  static char *readString(FILE *fp, char *prolog, char *
+Line 572  static char *readString(FILE *fp, char *prolog, char *
 Line 335  static char *readString(FILE *fp, char *prolog, char *
 Line 572  static char *readString(FILE *fp, char *prolog, char *
      return NULL;
    }
    if (strcmp(&(s[start]),"!reset;") == 0) {
-         printf("%s",DATA_BEGIN_V);
+         printf("%s",Data_begin_v[View]);
      KSexecuteString(" ox.engine oxreset ox.engine oxpopcmo ");
          ob = KSpop();
-         printf("%s",DATA_END); fflush(stdout);
+         printf("%s",Data_end[View]); fflush(stdout);
      return NULL;
    }
+   /* remove end$ or end; */
+   if (TM_Engine == ASIR) {
+     for (i=n-1; i>=4; i--) {
+           if ((s[i-4]=='\n') && (s[i-3]=='e') && (s[i-2]=='n') && (s[i-1]=='d') && (s[i]=='$')) {
+         s[i-3] = s[i-2] = s[i-1] = s[i] = ' '; break;
+       }
+           if ((s[i-4]=='\n') && (s[i-3]=='e') && (s[i-2]=='n') && (s[i-1]=='d') && (s[i]==';')) {
+         s[i-3] = s[i-2] = s[i-1] = s[i] = ' '; break;
+       }
+     }
+     /* 2019.03.28 for jupyter */
+     if ((View == V_JUPYTER) && (mystrncmp(&(s[start]),"base_prompt") != 0)
+         &&(mystrncmp(&(s[start]),"version()") != 0)) {
+       if (Sss == NULL) {
+           Sss = (char *)sGC_malloc(Sss_size);
+           Sss[0] = 0;
+       }
+       if (Sss_size < strlen(Sss)+strlen(s)+strlen(epilog)-10) {
+         Sss_size = 2*Sss_size;
+         if (Sss_size < 0) { fprintf(stderr,"Fatal error: too big string\n"); exit(-1); }
+         char *sss_tmp = (char *)sGC_malloc(Sss_size);
+         strcpy(sss_tmp,Sss);
+         Sss=sss_tmp;
+       }
+       strcpy(&(Sss[strlen(Sss)]),&(s[start]));
+       for (i=strlen(Sss); i>=0; i--) {
+         if (Sss[i] < 0x20) continue;
+         if ((Sss[i] == ';') && (Sss[i-1] == ';')) {
+           /* construct s and return s */
+           Sss[i] = ' ';
+           s = (char *) sGC_malloc(strlen(Sss)+strlen(prolog)+strlen(epilog)+10);
+           sprintf(s,"%s%s%s",prolog,Sss,epilog);
+           Sss[0]=0;
+ #ifdef DEBUG2
+           fprintf(Dfp,"#By Sss: %s#\n",s); fflush(Dfp);
+ #endif
+           return s;
+         }else break;
+       }
+       return NULL;
+     }
+   }else{
+ #ifdef DEBUG2
+     fprintf(Dfp,"#base_prompt or version()#\n",s); fflush(Dfp);
+ #endif
+   }
+   /* end 2019.03.28 for jupyter. */
    /* Set TM_do_no_print */
    if (s[n-1] == '$' && TM_Engine == ASIR) {
          TM_do_not_print = 1; s[n-1] = ' ';
-Line 353  static char *readString(FILE *fp, char *prolog, char *
+Line 639  static char *readString(FILE *fp, char *prolog, char *
 Line 353  static char *readString(FILE *fp, char *prolog, char *
 Line 639  static char *readString(FILE *fp, char *prolog, char *
      s[n++] = epilog[i];  s[n] = 0;
      INC_BUF ;
    }
+ #ifdef DEBUG2
+   fprintf(Dfp,"#By normal readString:%s\n",s); hexout(Dfp,s); fprintf(Dfp,"\n"); fflush(Dfp);
+ #endif
    return s;
  }
  static int end_of_input(int c) {
-   switch(View) {
+   if (c == End_of_input[View]) return 1;
-   case V_TEXMACS:
+   else return 0;
-     if (c == TEXMACS_END_OF_INPUT) return 1;
-     else 0;
-     break;
-   case V_CFEP:
-     if (c == CFEP_END_OF_INPUT) return 1;
-     else 0;
-     break;
-   default:
-     if (c == '\n') return 1;
-     else 0;
-   }
  }
  static void setDefaultParameterForCfep() {
    Format = 0;
  }
+ static void setDefaultParameterForSage() {
+   Format = 0;
+ }
+ static void setDefaultParameterForJupyter() {
+   Format = 0;
+ }
  static void printv(char *s) {
    int i;
-   printf("%s",DATA_BEGIN_V);
+   printf("%s",Data_begin_v[View]);
    printf("%s",s);
-   printf("%s",DATA_END);
+   printf("%s",Data_end[View]);
  #ifdef DEBUG2
-   fprintf(Dfp,"<%s>",s); fflush(Dfp);
+   fprintf(Dfp,"printv:<%s>",s); fflush(Dfp);
  #endif
    fflush(NULL);
  }
  static void printl(char *s) {
-   printf("%s",DATA_BEGIN_L);
+   printf("%s",Data_begin_l[View]);
    printf(" $ %s $ ",s);
-   printf("%s",DATA_END);
+   printf("%s",Data_end[View]);
    fflush(NULL);
  }
  static int isPS(char *s) {
-Line 400  static int isPS(char *s) {
+Line 685  static int isPS(char *s) {
 Line 400  static int isPS(char *s) {
 Line 685  static int isPS(char *s) {
    return 1;
  }
  static void printps(char *s) {
-   printf("%s",DATA_BEGIN_PS);
+   printf("%s",Data_begin_ps[View]);
    printf("%s",s);
-   printf("%s",DATA_END);
+   printf("%s",Data_end[View]);
    fflush(NULL);
  }
  static void printp(char *s) {
-   printf("%s",DATA_BEGIN_P);
+   printf("%s",Data_begin_p[View]);
-   printf("%s",DATA_END);
+   printf("%s",Data_end[View]);
    printf("%s] ",s);
    fflush(NULL);
  }
  static void printCopyright(char *s) {
-   printf("%s",DATA_BEGIN_V);
    if (! NoCopyright) {
-     printf("OpenXM engine (ox engine) interface for TeXmacs\n2004 (C) openxm.org");
+     printf("%s",Data_begin_v[View]);
-     printf(" under the BSD license.  !asir; !sm1; !k0; !verbatim;\n");
+     printf("OpenXM engine (ox engine) interface with TeXmacs protocol.\n2004 (C) openxm.org");
+     printf(" under the BSD license.  !asir; !sm1; !k0; !verbatim; !quit;\n");
      printf("Type in      !reset;     when the engine gets confused. ");
      printf("%s",s);
+     printf("%s",Data_end[View]);
    }
-   printf("%s",DATA_END);
    fflush(NULL);
  }
+ static void flushSm1() {
+   KSexecuteString(" oxsm1.ccc ( [(flush)] extension pop ) oxsubmit ");
+ }
  static int startEngine(int type,char *msg) {
    struct object ob = OINIT;
-   printf("%s",DATA_BEGIN_V);
+   if (!TM_quiet) printf("%s",Data_begin_v[View]);
    if (type == SM1) {
      if (!TM_sm1Started) KSexecuteString(" sm1connectr ");
      KSexecuteString(" /ox.engine oxsm1.ccc def ");
-Line 433  static int startEngine(int type,char *msg) {
+Line 721  static int startEngine(int type,char *msg) {
 Line 433  static int startEngine(int type,char *msg) {
 Line 721  static int startEngine(int type,char *msg) {
      KSexecuteString("  oxsm1.ccc ( [(cmoLispLike) 0] extension ) oxsubmit ");
      KSexecuteString("  oxsm1.ccc ( ox_server_mode ) oxsubmit ");
      KSexecuteString("  oxsm1.ccc ( ( ) message (------------- Message from sm1 ----------------)message ) oxsubmit ");
+         flushSm1();
      TM_sm1Started = 1;
          /* Welcome message.  BUG. Copyright should be returned by a function. */
      if (! NoCopyright) {
-Line 442  static int startEngine(int type,char *msg) {
+Line 731  static int startEngine(int type,char *msg) {
 Line 442  static int startEngine(int type,char *msg) {
 Line 731  static int startEngine(int type,char *msg) {
        printf("Info: http://www.math.kobe-u.ac.jp/KAN, kan@math.kobe-u.ac.jp.\n");
        printf("0 usages to show a list of functions. \n(keyword) usages to see a short description\n");
      }
-     printf("%s\n",msg);
+     printf("%s\n",msg); fflush(NULL);
    }else if (type == K0) {
      if (!TM_k0Started) KSexecuteString(" k0connectr ");
      KSexecuteString(" /ox.engine oxk0.ccc def ");
-Line 453  static int startEngine(int type,char *msg) {
+Line 742  static int startEngine(int type,char *msg) {
 Line 453  static int startEngine(int type,char *msg) {
 Line 742  static int startEngine(int type,char *msg) {
      KSexecuteString(" /ox.engine oxasir.ccc def ");
      TM_asirStarted = 1;
      printf("%s\n",msg);
-     if ( ! NoCopyright) {
+     if ((!NoCopyright) && ((char *)getenv("ASIR_CONFIG") != NULL)) {
        KSexecuteString(" oxasir.ccc (copyright()+asir_contrib_copyright();) oxsubmit oxasir.ccc oxpopstring ");
        ob = KSpop();
        if (ob.tag == Sdollar) {
          printf("%s",ob.lc.str);
        }
+     }else if ((!NoCopyright) && ((char *)getenv("ASIR_CONFIG") == NULL)) {
+       KSexecuteString(" oxasir.ccc (copyright();) oxsubmit oxasir.ccc oxpopstring ");
+       ob = KSpop();
+       if (ob.tag == Sdollar) {
+         printf("%s",ob.lc.str);
+       }
      }
      /* Initialize the setting of asir. */
-     KSexecuteString(" oxasir.ccc (if(1) {  Xm_server_mode = 1; Xm_helpdir = \"help-eg\";  } else { ; } ;) oxsubmit oxasir.ccc oxpopcmo ");
+     if (AsirInitFile) {  /* cf. asir-contrib/packages/src/cfep-init.rr */
+           unsigned char *ss;
+           ss = (unsigned char *)sGC_malloc(strlen(AsirInitFile)+256);
+           sprintf((char *)ss," oxasir.ccc (load(\"%s\");) oxsubmit oxasir.ccc oxgeterrors length 0 gt { (Error in loading asirInitFile) message} { } ifelse ",AsirInitFile);
+           /* printf("Loading --asirInitFile %s\n",AsirInitFile); */
+           KSexecuteString(ss);
+     }
+     KSexecuteString(" oxasir.ccc (if(1) {  Xm_server_mode = 1; Xm_helpdir = \"help-en\";  } else { ; } ;) oxsubmit oxasir.ccc oxpopcmo ");
      KSexecuteString(" oxasir.ccc (if(1) {  ctrl(\"message\",0);  } else { ; } ;) oxsubmit oxasir.ccc oxpopcmo ");
      /* bug; if ctrl is written with Xm_helpdir = ... without oxpopcmo, then it does
         not work. */
      KSexecuteString(" oxasir.ccc (print(\"----------- Messages from asir ------------------------------\")$ ) oxsubmit oxasir.ccc oxpopcmo ");
    }
-   printf("%s",DATA_END);
+   if (!TM_quiet) printf("%s",Data_end[View]);
    fflush(NULL);
  }
-Line 485  static int startEngine(int type,char *msg) {
+Line 787  static int startEngine(int type,char *msg) {
 Line 485  static int startEngine(int type,char *msg) {
 Line 787  static int startEngine(int type,char *msg) {
  */
+ static void myEncoder(int c) {
+   putchar(0xf8 | (0x3 & (c >> 6)));
+   putchar(0xf0 | (0x7 & (c >> 3)));
+   putchar(0xf0 | (0x7 & c));
+ }
+ static void myEncoderS(unsigned char *s) {
+   int i,n;
+   n = strlen((char *)s);
+   for (i = 0; i<n ; i++) myEncoder(s[i]);
+ }
+ static void myEncoderSn(unsigned char *s,int n) {
+   int i;
+   for (i = 0; i<n ; i++) myEncoder(s[i]);
+ }
+ static void outputStringToTunnel0(int channel, unsigned char *s, int n,int view) {
+   unsigned char ts[128];
+   int i;
+   if (view == GENERIC) {
+     printf("{%d<%d ",channel,n+1);
+     for (i=0; i<n; i++) putchar(s[i]);
+     printf("%c>}",0);
+   }else if (view == V_CFEP) {
+     sprintf((char *)ts,"{%d<%d ",channel,n+1);
+     myEncoderS(ts);
+     myEncoderSn(s,n); myEncoder(0);
+     myEncoderS((unsigned char *)">}");
+   }
+   fflush(stdout);
+ }
+ #define LINE_FEED 0xc   /* ^L */
+ static void outputStringToTunnel(int channel, unsigned char *s, int view) {
+   int start, i;
+   start = i = 0;
+   while (s[i] != 0) {
+         if (s[i] == LINE_FEED) {
+           outputStringToTunnel0(channel,&(s[start]),i-start,view);
+           start = i+1;
+         }
+         i++;
+   }
+ }
+ static void pngSendFile(char *path) {
+   char s[1024];
+   if (strlen(path) > 1000) return;
+   sprintf(s,"showFile,%s",path);
+   outputStringToTunnel0(10,(unsigned char *)s,strlen(s),View);
+   printf("\n");
+   fflush(NULL);
+ }
+ static int pngCheck(void) {
+   static int checked = 0;
+   static int ans = 0;
+   if (checked) return ans;
+   checked = 1;
+   if (!getCommandPath("latex")) return 0;
+   if (!getCommandPath("dvipng")) return 0;
+   ans = 1;  return 1;
+ }
+ static void pngNotAvailable(void) {
+   char *s = "notAvailable";
+   outputStringToTunnel0(10,(unsigned char *)s,strlen(s),View);
+   fflush(NULL);
+ }
+ /* Check if a is a substring of s */
+ static int is_substr_of(char a[],char s[]) {
+   int n,m,i,j;
+   n = strlen(s);
+   m = strlen(a);
+   for (i=0; i<n-m; i++) {
+         for (j=0; j<m; j++) {
+           if (s[i+j] != a[j]) break;
+           if (j == m-1) return 1;
+         }
+   }
+   return 0;
+ }
+ static void hexout(FILE *fp,char s[]) {
+   int i;
+   for (i=0; i<strlen(s); i++) fprintf(fp,"%2x ",(unsigned char)s[i]);
+ }
+ static int mystrncmp(char a[],char s[]) {
+   int r;
+   r=strncmp(a,s,strlen(s));
+ #ifdef DEBUG2
+   fprintf(Dfp,"mystrncmp(%s,%s)=%d\n",a,s,r); fflush(Dfp);
+ #endif
+   return r;
+ }

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