Initial import of the CDE 2.1.30 sources from the Open Group.

cde/programs/dtinfo/dtinfogen/infolib/etc/StringList.C

@@ -0,0 +1,65 @@
+/* $XConsortium: StringList.cc /main/2 1996/07/18 15:19:21 drk $ */
+
+/* exported interfaces... */
+#include "StringList.h"
+
+/* imported interfaces... */
+#include <string.h>
+
+StringList::StringList()
+{
+  used = alloc = 0;
+  items = NULL;
+}
+
+StringList::~StringList()
+{
+  reset();
+  delete items;
+}
+
+void StringList::grow(size_t total)
+{
+  if(total + 1 > alloc){
+    char **born = new char*[alloc = total * 3 / 2 + 1];
+    
+    if(used > 0){
+      memcpy(born, items, used *sizeof(items[0]));
+      delete items;
+    }
+
+    items = born;
+  }
+}
+
+
+const char * StringList::append(const char *str)
+{
+  char *p = new char[strlen(str)+1];
+  strcpy(p, str);
+  
+  grow(used);
+  
+  items[used++] = p;
+
+  return p;
+}
+
+void StringList::add(char *str)
+{
+  grow(used);
+  
+  items[used++] = str;
+}
+
+void StringList::reset()
+{
+  for(size_t i = 0; i < used; i++){
+    delete items[i]; 
+    items[i] = 0;     /* This is to prevent the item[i] from being deleted
+                       * again, ie free memory freed.
+                       */
+  }
+
+  used = 0;
+}