Changeset 211

Timestamp:

1999-03-25T15:13:42+12:00 (25 years ago)

Author:

sjboddie

Message:

More library functions for dealing with OIDs. Many of them just
return dummy data at present

Location:

trunk/gsdl/src/recpt

Files:

• OIDtools.cpp (modified) (4 diffs)
• OIDtools.h (modified) (1 diff)

trunk/gsdl/src/recpt/OIDtools.cpp

@@ -12 +12 @@
 /*
    $Log$
+   Revision 1.3  1999/03/25 03:13:42  sjboddie
+
+   More library functions for dealing with OIDs. Many of them just
+   return dummy data at present
+
    Revision 1.2  1999/03/05 03:53:53  sjboddie
 
@@ -26 +31 @@
 
 // get first four characters of whatever string is passed in 
-// targetdoc. targetdoc will normally be either a document
-// or classification OID so this returns the CLSU, HASH etc.
-void get_head (const text_t &targetdoc, text_t &head) {
+// OID. This returns the CLSU, HASH etc.
+void get_head (const text_t &OID, text_t &head) {
 
   head.clear();
-  if (targetdoc.size() < 4) return;
-  head.appendrange (targetdoc.begin(), (targetdoc.begin() + 4));
+  if (OID.size() < 4) return;
+  head.appendrange (OID.begin(), (OID.begin() + 4));
 }
 
 
-// returns (in top) the top level of targetdoc (i.e. everything
+// returns (in top) the top level of OID (i.e. everything
 // up until the first dot)
-void get_top (const text_t &targetdoc, text_t &top) {
+void get_top (const text_t &OID, text_t &top) {
 
   top.clear();
-  text_t::const_iterator begin = targetdoc.begin();
-  text_t::const_iterator end = targetdoc.end();
+  text_t::const_iterator begin = OID.begin();
+  text_t::const_iterator end = OID.end();
 
   top.appendrange (begin, findchar(begin, end, '.'));
@@ -48 +52 @@
 
 
-// checks if targetdoc is top level of a document (i.e. contains no dots)
-bool is_top (const text_t &targetdoc) {
+// checks if OID is top level (i.e. contains no dots)
+bool is_top (const text_t &OID) {
 
-  text_t::const_iterator here = targetdoc.begin();
-  text_t::const_iterator end = targetdoc.end();
+  if (OID.empty()) return true;
+
+  text_t::const_iterator here = OID.begin();
+  text_t::const_iterator end = OID.end();
   here = findchar (here, end, '.');
 
@@ -58 +64 @@
   return false;
 }
+
+
+// is_classification checks OID to see if it's a classification
+// or a document. I'm not sure how to do this - for now I'll just assume 
+// all documents start with HASH and classifications start with something
+// else.
+bool is_classification (const text_t &OID) {
+  text_t head;
+  get_head (OID, head);
+  if (head == "HASH") return false;
+  return true;
+}
+
+
+// don't know how to do this yet either ...
+bool contains_text (const text_t &OID) {
+  return true;
+}
+
+
+// get_parents_array loads the parents array with all the parents of the
+// document or classification specified by OID
+// note that this function doesn't clear the parents array
+void get_parents_array (const text_t &OID, text_tarray &parents) {
+
+  text_t::const_iterator here = OID.begin ();
+  text_t::const_iterator end = OID.end ();
+  text_t thisparent;
+
+  while (here != end) {
+    if (*here == '.') parents.push_back(thisparent);
+    thisparent.push_back(*here);
+    here ++;
+  }
+}
+
+
+// get_children_array loads the children array with all the children of the 
+// document or classification specified by OID
+void get_children_array (const text_t &OID, text_tarray &children) {
+
+  children.erase(children.begin(), children.end());
+
+  // just stuff some rubish in for now
+  children.push_back (OID + ".1");
+  children.push_back (OID + ".2");
+  children.push_back (OID + ".3");
+  children.push_back (OID + ".4");
+  children.push_back (OID + ".5");
+  children.push_back (OID + ".6");
+  children.push_back (OID + ".7");
+}
+
+
+// get_parent returns the parent of the document or classification
+// specified by OID
+text_t get_parent (text_t OID) {
+
+  if (OID.empty() || is_top (OID)) return "";
+
+  text_t::const_iterator begin = OID.begin();
+  text_t::const_iterator here = (OID.end() - 1);
+
+  while (here >= begin) {
+    OID.pop_back();
+    if (*here == '.') break;
+    here --;
+  }
+  return OID;
+}
+
+
+// get_first_child loads child with the first
+// child of OID
+void get_first_child(const text_t &OID, text_t &child) {
+  // shove something in for now - I think we'll need to 
+  // look up db here
+  child.clear();
+  child += OID + ".1";
+}

trunk/gsdl/src/recpt/OIDtools.h

@@ -17 +17 @@
 
 // get first four characters of whatever string is passed in 
-// targetdoc. targetdoc will normally be either a document
-// or classification OID so this returns the CLSU, HASH etc.
-void get_head (const text_t &targetdoc, text_t &head);
+// OID. This returns the CLSU, HASH etc.
+void get_head (const text_t &OID, text_t &head);
 
-// returns (in top) the top level of targetdoc (i.e. everything
+// returns (in top) the top level of OID (i.e. everything
 // up until the first dot)
-void get_top (const text_t &targetdoc, text_t &top);
+void get_top (const text_t &OID, text_t &top);
 
-// checks if targetdoc is top level of a document (i.e. contains no dots)
-bool is_top (const text_t &targetdoc);
+// checks if OID is top level (i.e. contains no dots)
+bool is_top (const text_t &OID);
 
+// is_classification checks OID to see if it's a classification
+// or a document. I'm not sure how to do this - for now I'll just assume 
+// all documents start with HASH and classifications start with something
+// else.
+bool is_classification (const text_t &OID);
+
+// don't know how to do this yet either ...
+bool contains_text (const text_t &OID);
+
+// get_parents_array loads the parents array with all the parents of the
+// document or classification specified by OID
+// note that this function doesn't clear the parents array
+void get_parents_array (const text_t &OID, text_tarray &parents);
+
+// get_children loads the children array with all the children of the 
+// document or classification specified by targetdoc
+void get_children_array (const text_t &OID, text_tarray &children);
+
+// get_parent returns the parent of the document or classification
+// specified by OID
+text_t get_parent (text_t OID);
+  
+// get_first_child loads child with the first
+// child of OID
+void get_first_child(const text_t &OID, text_t &child);