===================================================================
RCS file: /home/cvs/OpenXM/src/kxx/ox_texmacs.c,v
retrieving revision 1.3
retrieving revision 1.7
diff -u -p -r1.3 -r1.7
--- OpenXM/src/kxx/ox_texmacs.c	2004/02/29 13:02:44	1.3
+++ OpenXM/src/kxx/ox_texmacs.c	2004/03/02 09:10:04	1.7
@@ -1,4 +1,4 @@
-/* $OpenXM: OpenXM/src/kxx/ox_texmacs.c,v 1.2 2004/02/29 08:19:54 takayama Exp $ */
+/* $OpenXM: OpenXM/src/kxx/ox_texmacs.c,v 1.6 2004/03/01 12:55:03 takayama Exp $ */
 
 #include <stdio.h>
 #include <setjmp.h>
@@ -19,7 +19,7 @@
 /*
 #define DEBUG 
 */
-#define DEBUG2
+/* #define DEBUG2 */
 
 #ifdef DEBUG
 #define DATA_BEGIN_V  "<S type=verbatim>"     /* "\002verbatim:" */
@@ -38,11 +38,22 @@
 */
 #define END_OF_INPUT '\n'
 
+/* Table for the engine type. */
+#define ASIR          1
+#define SM1           2
+#define K0            3
+
 extern int Quiet;
 extern JMP_BUF EnvOfStackMachine;
 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;
+
 void ctrlC();
 struct object KpoString(char *s);
 char *KSpopString(void);
@@ -52,6 +63,7 @@ static void printv(char *s);
 static void printl(char *s);
 static void printp(char *s);
 static void printCopyright(char *s);
+static int startEngine(int type,char *msg);
 
 /* tail -f /tmp/debug-texmacs.txt 
    Debug output to understand the timing problem of pipe interface.
@@ -64,7 +76,18 @@ main() {
   char *sys;
   struct object ob;
   int irt=0;
+  int vmode=1;
+  char *openxm_home;
+  char *asir_config;
 
+  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
@@ -83,7 +106,7 @@ main() {
   /* Load ox engine here */
   /* engine id should be set to ox.engine */
   KSexecuteString(" [(parse) (ox.sm1) pushfile] extension ");
-  KSexecuteString(" asirconnectr /ox.engine oxasir.ccc def ");
+  startEngine(TM_Engine," ");
 
   if (signal(SIGINT,SIG_IGN) != SIG_IGN) {
 	signal(SIGINT,ctrlC);
@@ -93,7 +116,6 @@ main() {
   while(1) {
 	/* printp(sys);  no prompt */
 	if (SETJMP(EnvOfStackMachine)) {
-	  printv("Syntax error or an interruption\n");
 	  KSexecuteString(" ctrlC-hook "); /* Execute User Defined functions. */
 	  if (signal(SIGINT,SIG_IGN) != SIG_IGN) {
 		signal(SIGINT,ctrlC);
@@ -105,27 +127,62 @@ main() {
 	  printf("%s",DATA_END); fflush(stdout);
 	}
 	irt = 0;
-	s=readString(stdin, "if (1) { ", " ; }else{ };"); /* see test data */
-	if (s == NULL) break;
-	printf("%s",DATA_BEGIN_V);
+
+    /* Reading the input. */
+	if (TM_Engine == K0) {
+	  s=readString(stdin, " ", " "); /* see test data */
+	}else if (TM_Engine == SM1) {
+	  s=readString(stdin, " ", " "); /* see test data */
+	}else{
+	  s=readString(stdin, "if (1) { ", " ; }else{ }"); /* see test data */
+	}
+
+	if (s == NULL) { irt = 1; continue; }
+	if (!irt) printf("%s",DATA_BEGIN_V);
+    /* Evaluate the input on the engine */
     KSexecuteString(" ox.engine ");
-    ob = KpoString(s);
+    ob = KpoString(s);  
 	KSpush(ob);
 	KSexecuteString(" oxsubmit ");
 	
     /* Get the result in string. */
-	if (Format == 1) {
+	if (Format == 1 && (! TM_do_not_print)) {
 	  /* translate to latex form */
-      KSexecuteString(" ox.engine 1 oxpushcmo ox.engine (print_tex_form) oxexec  ");
-	  KSexecuteString(" ox.engine oxpopstring ");
-	  r = KSpopString();
-	  if (strlen(r) < OutputLimit_for_TeXmacs) printl(r);
-	  else printv("Output is too large.\n");
+	  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_tex_form) oxexec  ");
+		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");
 	}else{
-	  KSexecuteString(" ox.engine oxpopstring ");
-	  r = KSpopString();
-	  if (strlen(r) < OutputLimit_for_TeXmacs) printv(r);
-	  else printv("Output is too large.\n");
+	  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");
+	  }else{
+		KSexecuteString(" ox.engine 1 oxpops "); /* Discard the result. */
+		printv("");
+	  }
 	}
   }
 }
@@ -184,10 +241,40 @@ static char *readString(FILE *fp, char *prolog, char *
 	s[n++] = c; s[n] = 0;  m++;
     INC_BUF ;
   }
-  if (strcmp(&(s[start]),"quit;") == 0) {
+  if (s[n-1] == '$' && TM_Engine == ASIR) TM_do_not_print = 1;
+  else TM_do_not_print = 0;
+  /* Check the escape sequence */
+  if (strcmp(&(s[start]),"!quit;") == 0) {
 	printv("Terminated the process ox_texmacs.\n"); 
 	exit(0);
   }
+  /* Check the escape sequence to change the globa env. */
+  if (strcmp(&(s[start]),"!verbatim;") == 0) {
+	printv("Output mode is changed to verbatim mode.");
+	Format=0;
+	return NULL;
+  }
+  if (strcmp(&(s[start]),"!latex;") == 0) {
+	printv("Output mode is changed to latex/verbose.");
+	Format = 1;
+	return NULL;
+  }
+  if (strcmp(&(s[start]),"!asir;") == 0) {
+	Format=1;
+	TM_Engine=ASIR; startEngine(TM_Engine,"Asir");
+	return NULL;
+  }
+  if (strcmp(&(s[start]),"!sm1;") == 0) {
+	Format=0;
+	TM_Engine=SM1; startEngine(TM_Engine,"sm1");
+	return NULL;
+  }
+  if (strcmp(&(s[start]),"!k0;") == 0) {
+	Format=0;
+	TM_Engine=K0; startEngine(TM_Engine,"k0");
+	return NULL;
+  }
+
   for (i=0; i < strlen(epilog); i++) {
 	s[n++] = epilog[i];  s[n] = 0;
     INC_BUF ;
@@ -207,7 +294,7 @@ static void printv(char *s) {
 }
 static void printl(char *s) {
   printf("%s",DATA_BEGIN_L);
-  printf("%s",s);
+  printf(" $ %s $ ",s);
   printf("%s",DATA_END);
   fflush(NULL);
 }
@@ -219,8 +306,42 @@ static void printp(char *s) {
 }
 static void printCopyright(char *s) {
   printf("%s",DATA_BEGIN_V);
-  printf("OpenXM engine (ox engine) interface for TeXmacs\n2004 (C) openxm.org\n");
+  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);
+  fflush(NULL);
+}
+
+static int startEngine(int type,char *msg) {
+  struct object ob;
+  printf("%s",DATA_BEGIN_V);
+  if (type == SM1) {
+    if (!TM_sm1Started) KSexecuteString(" sm1connectr ");
+	KSexecuteString(" /ox.engine oxsm1.ccc def ");
+	TM_sm1Started = 1;
+	printf("%s\n",msg);
+  }else if (type == K0) {
+    if (!TM_k0Started) KSexecuteString(" k0connectr ");
+	KSexecuteString(" /ox.engine oxk0.ccc def ");
+	TM_k0Started = 1;
+	printf("%s\n",msg);
+  }else{
+    if (!TM_asirStarted) KSexecuteString(" asirconnectr ");
+	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);
+	}
+    /* Initialize the setting of asir. */
+    KSexecuteString(" oxasir.ccc (if(1) {  Xm_server_mode = 1; Xm_helpdir = \"help-eg\";  } 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. */
+  }
   printf("%s",DATA_END);
   fflush(NULL);
 }