===================================================================
RCS file: /home/cvs/OpenXM/src/kxx/ox_texmacs.c,v
retrieving revision 1.12
retrieving revision 1.26
diff -u -p -r1.12 -r1.26
--- OpenXM/src/kxx/ox_texmacs.c	2004/03/03 12:27:31	1.12
+++ OpenXM/src/kxx/ox_texmacs.c	2006/01/26 10:24:55	1.26
@@ -1,6 +1,8 @@
-/* $OpenXM: OpenXM/src/kxx/ox_texmacs.c,v 1.11 2004/03/03 09:44:39 takayama Exp $ */
+/* $OpenXM: OpenXM/src/kxx/ox_texmacs.c,v 1.25 2006/01/26 07:38:32 takayama Exp $ */
 
 #include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
 #include <setjmp.h>
 #include <signal.h>
 #include "ox_kan.h"
@@ -21,23 +23,46 @@
 */
 /* #define DEBUG2 */
 
-#ifdef DEBUG
-#define DATA_BEGIN_V  "<S type=verbatim>"     /* "\002verbatim:" */
-#define DATA_BEGIN_L  "<S type=latex>"        /* "\002latex:" */
-#define DATA_BEGIN_P  "<S type=prompt>"        /* "\002channel:prompt " */
-#define DATA_END      "</S>"    /* "\005" */
-#else
-#define DATA_BEGIN_V  "\002verbatim:"
-#define DATA_BEGIN_L  "\002latex:"
-#define DATA_BEGIN_P  "\002prompt:"
-#define DATA_END      "\005" 
-#endif
+/* Type of View part (user interface engine) */
+#define  GENERIC      0   /* DEBUG, xml */
+#define  V_TEXMACS    1
+#define  V_CFEP       2
+int View       = V_TEXMACS ;
 
-/*
-#define END_OF_INPUT  '#'
-*/
-#define END_OF_INPUT '\n'
+char *Data_begin_v[] = {
+  "<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. */
+};
 
+/* todo:  start_of_input */
+
+char End_of_input[] = {
+  0x5,              /* Use ^E and Return to end the input. */
+  '\n',  /* TEXMACS_END_OF_INPUT. 0xd should be used for multiple lines. */
+  0x5    /* CFEP_END_OF_INPUT    */
+};
+
 /* Table for the engine type. */
 #define ASIR          1
 #define SM1           2
@@ -45,15 +70,23 @@
 
 extern int Quiet;
 extern JMP_BUF EnvOfStackMachine;
+extern int Calling_ctrlC_hook;
+extern int RestrictedMode, RestrictedMode_saved;
 int Format=1;  /* 1 : latex mode */
 int OutputLimit_for_TeXmacs = (1024*10);
 
+
 int TM_Engine  = ASIR ;
 int TM_asirStarted = 0;
 int TM_sm1Started  = 0;
 int TM_k0Started  = 0;
 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. */
+
 void ctrlC();
 struct object KpoString(char *s);
 char *KSpopString(void);
@@ -62,8 +95,12 @@ static char *readString(FILE *fp,char *prolog, char *e
 static void printv(char *s);
 static void printl(char *s);
 static void printp(char *s);
+static void printps(char *s);
 static void printCopyright(char *s);
 static int startEngine(int type,char *msg);
+static int isPS(char *s);
+static int end_of_input(int c);
+static void setDefaultParameterForCfep();
 
 /* tail -f /tmp/debug-texmacs.txt 
    Debug output to understand the timing problem of pipe interface.
@@ -74,19 +111,13 @@ main(int argc,char *argv[]) {
   char *s;
   char *r;
   char *sys;
-  struct object ob;
+  struct object ob = OINIT;
   int irt=0;
   int vmode=1;
   char *openxm_home;
   char *asir_config;
   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
@@ -96,27 +127,63 @@ main(int argc,char *argv[]) {
   /* Set consts */
   Quiet = 1;
   for (i=1; i<argc; i++) {
-	if (strcmp(argv[i],"--sm1") == 0) {
-	  TM_Engine = SM1;
-	}else if (strcmp(argv[i],"--asir") == 0) {
-	  TM_Engine = ASIR;
-	}else if (strcmp(argv[i],"--k0") == 0) {
-	  TM_Engine = K0;
-	}else{
-	  /* printv("Unknown option\n"); */
-	}
+    if (strcmp(argv[i],"--view") == 0) {
+      i++;
+      if (strcmp(argv[i],"texmacs") == 0) {
+        View = V_TEXMACS;
+      }else if (strcmp(argv[i],"cfep")==0) {
+        View = V_CFEP; setDefaultParameterForCfep();
+      }else{
+        View = GENERIC;
+        /* printv("Unknown view type.\n"); */
+      }
+    } else if (strcmp(argv[i],"--sm1") == 0) {
+      TM_Engine = SM1;
+    }else if (strcmp(argv[i],"--asir") == 0) {
+      TM_Engine = ASIR;
+    }else if (strcmp(argv[i],"--k0") == 0) {
+      TM_Engine = K0;
+    }else if (strcmp(argv[i],"--outputLimit") == 0) {
+      i++;
+      sscanf(argv[i],"%d",&OutputLimit_for_TeXmacs);
+    }else if (strcmp(argv[i],"--noLogWindow") == 0) {
+      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{
+      /* printv("Unknown option\n"); */
+    }
   }
 
+  openxm_home = (char *) getenv("OpenXM_HOME");
+  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);
+  }
+
   /* Initialize kanlib (gc is also initialized) */
   KSstart();
 
   /* 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 ");
   startEngine(TM_Engine," ");
 
   if (signal(SIGINT,SIG_IGN) != SIG_IGN) {
@@ -127,7 +194,12 @@ main(int argc,char *argv[]) {
   while(1) {
     /* printp(sys);  no prompt */
     if (SETJMP(EnvOfStackMachine)) {
-      KSexecuteString(" ctrlC-hook "); /* Execute User Defined functions. */
+      if (!Calling_ctrlC_hook) {
+        Calling_ctrlC_hook = 1; RestrictedMode = 0;
+        KSexecuteString(" ctrlC-hook "); /* Execute User Defined functions. */
+        RestrictedMode = RestrictedMode_saved;
+      }
+      Calling_ctrlC_hook = 0; 
       if (signal(SIGINT,SIG_IGN) != SIG_IGN) {
         signal(SIGINT,ctrlC);
       }
@@ -135,7 +207,7 @@ main(int argc,char *argv[]) {
       continue;
     } else {  }
     if (!irt) {
-      printf("%s",DATA_END); fflush(stdout);
+      printf("%s",Data_end[View]); fflush(stdout);
     }
     irt = 0;
 
@@ -149,7 +221,7 @@ 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 ");
     ob = KpoString(s);  
@@ -181,15 +253,21 @@ main(int argc,char *argv[]) {
         KSexecuteString(" ox.engine oxpopstring ");
         r = KSpopString();
       }
-      if (strlen(r) < OutputLimit_for_TeXmacs) {
-        if (vmode) printv(r); else printl(r);
-      } else printv("Output is too large.\n");
+      if (isPS(r)) {
+        printps(r);
+      }else{
+        if (vmode) printv(r);
+        else{
+          if (strlen(r) < OutputLimit_for_TeXmacs) {
+            printl(r);
+          } else printv("Output is too large.\n");
+        }
+      }
     }else{
       if (!TM_do_not_print) {
         KSexecuteString(" ox.engine oxpopstring ");
         r = KSpopString();
-        if (strlen(r) < OutputLimit_for_TeXmacs) printv(r);
-        else printv("Output is too large.\n");
+        printv(r);
       }else{
         KSexecuteString(" ox.engine 1 oxpops "); /* Discard the result. */
         /* Push and pop dummy data to wait until the computation finishes. */
@@ -222,6 +300,7 @@ static char *readString(FILE *fp, char *prolog, char *
   int i;
   int m;
   int start;
+  struct object ob = OINIT;
   if (limit == 0) {
     limit = 1024;
     s = (char *)sGC_malloc(limit);
@@ -240,18 +319,20 @@ static char *readString(FILE *fp, char *prolog, char *
 #ifdef DEBUG2
     fprintf(Dfp,"[%x] ",c); fflush(Dfp); 
 #endif
-    if (c == END_OF_INPUT) {
+    if (end_of_input(c)) {
+      /* If there remains data in the stream,
+         read the remaining data. (for debug) */
+	  /*
       if (oxSocketSelect0(0,1)) {
-        /* If there remains data in the stream,
-           read the remaining data. */
         if (c == '\n') c=' ';
         s[n++] = c; s[n] = 0;  m++;
         INC_BUF ;
         continue;
       }
+      */
       break;
     }
-    if (c == '\n') c=' ';
+    if ( c == '\v') c=' ';
     s[n++] = c; s[n] = 0;  m++;
     INC_BUF ;
   }
@@ -286,6 +367,13 @@ static char *readString(FILE *fp, char *prolog, char *
     TM_Engine=K0; startEngine(TM_Engine,"k0");
     return NULL;
   }
+  if (strcmp(&(s[start]),"!reset;") == 0) {
+	printf("%s",Data_begin_v[View]);
+    KSexecuteString(" ox.engine oxreset ox.engine oxpopcmo ");
+	ob = KSpop();
+	printf("%s",Data_end[View]); fflush(stdout);
+    return NULL;
+  }
 
   /* Set TM_do_no_print */
   if (s[n-1] == '$' && TM_Engine == ASIR) {
@@ -301,40 +389,66 @@ static char *readString(FILE *fp, char *prolog, char *
   return s;
 }
 
+static int end_of_input(int c) {
+  if (c == End_of_input[View]) return 1;
+  else return 0;
+}
+
+static void setDefaultParameterForCfep() {
+  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);
 #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) {
+  if (s[0] != '%') return 0;
+  if (s[1] != '%') return 0;
+  if (s[2] != '!') return 0;
+  if (s[3] != 'P') return 0;
+  if (s[4] != 'S') return 0;
+  return 1;
+}
+static void printps(char *s) {
+  printf("%s",Data_begin_ps[View]);
+  printf("%s",s);
+  printf("%s",Data_end[View]);
+  fflush(NULL);
+}
 static void printp(char *s) {
-  printf("%s",DATA_BEGIN_P);
-  printf("%s",DATA_END);
+  printf("%s",Data_begin_p[View]);
+  printf("%s",Data_end[View]);
   printf("%s] ",s);
   fflush(NULL);
 }
 static void printCopyright(char *s) {
-  printf("%s",DATA_BEGIN_V);
-  printf("OpenXM engine (ox engine) interface for TeXmacs\n2004 (C) openxm.org");
-  printf(" under the BSD licence.  !asir; !sm1; !k0; !verbatim;");
-  printf("%s",s);
-  printf("%s",DATA_END);
+  printf("%s",Data_begin_v[View]);
+  if (! NoCopyright) {
+    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]);
   fflush(NULL);
 }
 
 static int startEngine(int type,char *msg) {
-  struct object ob;
-  printf("%s",DATA_BEGIN_V);
+  struct object ob = OINIT;
+  printf("%s",Data_begin_v[View]);
   if (type == SM1) {
     if (!TM_sm1Started) KSexecuteString(" sm1connectr ");
     KSexecuteString(" /ox.engine oxsm1.ccc def ");
@@ -344,11 +458,13 @@ static int startEngine(int type,char *msg) {
     KSexecuteString("  oxsm1.ccc ( ( ) message (------------- Message from sm1 ----------------)message ) oxsubmit ");
     TM_sm1Started = 1;
 	/* Welcome message.  BUG. Copyright should be returned by a function. */
-    printf("Kan/StackMachine1                         1991 April --- 2004.\n");
-    printf("This software may be freely distributed as is with no warranty expressed. \n");
-	printf("See OpenXM/Copyright/Copyright.generic\n");
-	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");
+    if (! NoCopyright) {
+      printf("Kan/StackMachine1                         1991 April --- 2004.\n");
+      printf("This software may be freely distributed as is with no warranty expressed. \n");
+      printf("See OpenXM/Copyright/Copyright.generic\n");
+      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);
   }else if (type == K0) {
     if (!TM_k0Started) KSexecuteString(" k0connectr ");
@@ -360,10 +476,18 @@ static int startEngine(int type,char *msg) {
     KSexecuteString(" /ox.engine oxasir.ccc def ");
     TM_asirStarted = 1;
     printf("%s\n",msg);
-    KSexecuteString(" oxasir.ccc (copyright()+asir_contrib_copyright();) oxsubmit oxasir.ccc oxpopstring ");
-    ob = KSpop();
-    if (ob.tag == Sdollar) {
-      printf("%s",ob.lc.str);
+    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 ");
@@ -372,7 +496,7 @@ static int startEngine(int type,char *msg) {
        not work. */
     KSexecuteString(" oxasir.ccc (print(\"----------- Messages from asir ------------------------------\")$ ) oxsubmit oxasir.ccc oxpopcmo ");
   }
-  printf("%s",DATA_END);
+  printf("%s",Data_end[View]);
   fflush(NULL);
 }