===================================================================
RCS file: /home/cvs/OpenXM/src/kan96xx/Kan/Kclass/tree.c,v
retrieving revision 1.1
retrieving revision 1.6
diff -u -p -r1.1 -r1.6
--- OpenXM/src/kan96xx/Kan/Kclass/tree.c	2003/11/21 02:10:37	1.1
+++ OpenXM/src/kan96xx/Kan/Kclass/tree.c	2003/12/05 23:14:14	1.6
@@ -1,4 +1,4 @@
-/* $OpenXM$ */
+/* $OpenXM: OpenXM/src/kan96xx/Kan/Kclass/tree.c,v 1.5 2003/12/05 13:51:32 takayama Exp $ */
 #include <stdio.h>
 #include "../datatype.h"
 #include "../stackm.h"
@@ -19,16 +19,16 @@ struct object KpoTree(struct object ob) {
   newobp = (struct object *) sGC_malloc(sizeof(struct object));
   if (newobp == NULL) errorKan1("%s\n","Kclass/indeterminate.c, no more memory.");
   if (ob.tag != Sarray) {
-    errorKan1("%s\n","Kclass/indeterminate.c, only properly formatted list object can be transformed into tree. [name, cdname, arglist].");
+    errorKan1("%s\n","Kclass/indeterminate.c, only properly formatted list object can be transformed into tree. [name, attr-list, arglist].");
   }
   if (getoaSize(ob) < 3) {
-    errorKan1("%s\n","Kclass/indeterminate.c, the length must 3 or more than 3. [name, cdname, arglist].");
+    errorKan1("%s\n","Kclass/indeterminate.c, the length must 3 or more than 3. [name, attr-list, arglist].");
   }
   ob1 = getoa(ob,0); ob2 = getoa(ob,1); ob3 = getoa(ob,2);
   if (ob1.tag != Sdollar || ob2.tag != Sarray || ob3.tag != Sarray) {
     errorKan1("%s\n","Kclass/indeterminate.c, [string name, list attributes, list arglist].");
   }
-  *newobp = ob;
+  *newobp = ob;   /* Add class-tag to the array */
   rob.rc.voidp = newobp;
   return(rob);
 }
@@ -56,7 +56,7 @@ int isTreeAdd(struct object ob) {
   if (name.tag != Sdollar) {
     errorKan1("%s\n","CLASSNAME_tree is broken. Should be string.");
   }
-  if (strcmp(KopString(name),"add") == 0) {
+  if (strcmp(KopString(name),"plus") == 0) {
     return(1);
   }else{
     return(0);
@@ -67,7 +67,11 @@ struct object addTree(struct object ob1, struct object
 {
   struct object rob,aob;
   struct object ob3,ob4;
+  struct object attr;
+  struct object keyValue;
+  struct object to;
   int i;
+  to = ob2; ob2=ob1; ob1=to; /* Exchange ob1 and ob2 */
   if (isTreeAdd(ob1) && !isTreeAdd(ob2)) {
     ob1 = KopTree(ob1);
     ob3 = getoa(ob1,2);
@@ -101,12 +105,61 @@ struct object addTree(struct object ob1, struct object
     putoa(aob,0,ob1);
     putoa(aob,1,ob2);
   }
+  attr = newObjectArray(1);
+  keyValue = newObjectArray(2);
+  putoa(keyValue,0,KpoString("cd"));
+  putoa(keyValue,1,KpoString("arith1"));
+  putoa(attr,0,keyValue);
   rob = newObjectArray(3);
-  putoa(rob,0,KpoString("add"));
-  putoa(rob,1,KpoString("basic"));
+  putoa(rob,0,KpoString("plus"));
+  putoa(rob,1,attr);
   putoa(rob,2,aob);
   return(KpoTree(rob));
 }
 
+/* XML DOM-like interfaces */
+struct object KtreeGetDocumentElement(struct object to) {
+  struct object rob;
+  struct object ob;
+  if (to.tag != Sclass) errorKan1("%s\n","KtreeGetDocumentElement");
+  if (ectag(to) != CLASSNAME_tree) errorKan1("%s\n","KtreeGetDocumentElement");
+  ob = KopTree(to);
+  if (ob.tag != Sarray) errorKan1("%s\n","KtreeGetDocumentElement: not an array.");
+  if (getoaSize(ob) != 3) errorKan1("%s\n","KtreeGetDocumentElement: array is broken.");
+  ob=getoa(ob,0);
+  if (ob.tag != Sdollar) errorKan1("%s\n","KtreeGetDocumentElement: element must be a string");
+  return ob;
+}
 
-/*------------------------------------------*/
+struct object KtreeGetAttributes(struct object to) {
+  struct object rob;
+  struct object ob;
+  if (to.tag != Sclass) errorKan1("%s\n","KtreeGetAttributes:");
+  if (ectag(to) != CLASSNAME_tree) errorKan1("%s\n","KtreeGetAttributes:");
+  ob = KopTree(to);
+  if (ob.tag != Sarray) errorKan1("%s\n","KtreeGetAttributes: not an array.");
+  if (getoaSize(ob) != 3) errorKan1("%s\n","KtreeGetAttributes: array is broken.");
+  return getoa(ob,1);
+}
+
+struct object KtreeGetChildNodes(struct object to) {
+  struct object rob;
+  struct object ob;
+  if (to.tag != Sclass) errorKan1("%s\n","KtreeGetChildNodes:");
+  if (ectag(to) != CLASSNAME_tree) errorKan1("%s\n","KtreeGetChildNodes:");
+  ob = KopTree(to);
+  if (ob.tag != Sarray) errorKan1("%s\n","KtreeGetChildNodes: not an array.");
+  if (getoaSize(ob) != 3) errorKan1("%s\n","KtreeGetChildNodes: array is broken.");
+  return getoa(ob,2);
+}
+
+struct object KtreeCreateElement(struct object ostr) {
+  struct object ob;
+  if (ostr.tag != Sdollar) errorKan1("%s\n","KtreeCreateElement: not a string.");
+  ob = newObjectArray(3);
+  getoa(ob,0)=ostr;
+  getoa(ob,1) = newObjectArray(0);
+  getoa(ob,2) = newObjectArray(0);
+  return KpoTree(ob);
+}
+