1 files changed, 58 insertions, 14 deletions

diff --git a/src/asn1/asn1_oid.h b/src/asn1/asn1_oid.h
index 73d0079a8..3802c69b6 100644
--- a/src/asn1/asn1_oid.h
+++ b/src/asn1/asn1_oid.h
@@ -12,38 +12,82 @@
 
 namespace Botan {
 
-/*************************************************
-* ASN.1 Object Identifier                        *
-*************************************************/
+/**
+* This class represents ASN.1 object identifiers.
+*/
 class BOTAN_DLL OID : public ASN1_Object
    {
    public:
       void encode_into(class DER_Encoder&) const;
       void decode_from(class BER_Decoder&);
 
+      /**
+      * Find out whether this OID is empty
+      * @return true is no OID value is set
+      */
       bool is_empty() const { return id.size() == 0; }
+
+      /**
+      * Get this OID as list (vector) of its components.
+      * @return a vector representing this OID
+      */
       std::vector<u32bit> get_id() const { return id; }
+
+      /**
+      * Get this OID as a string
+      * @return a string representing this OID
+      */
       std::string as_string() const;
 
+      /**
+      * Compare two OIDs.
+      * @return true if they are equal, false otherwise
+      */
       bool operator==(const OID&) const;
+
+      /**
+      * Reset this instance to an empty OID.
+      */
       void clear();
 
-      OID& operator+=(u32bit);
-      OID(const std::string& = "");
+      /**
+      * Add a component to this OID.
+      * @param new_comp the new component to add to the end of this OID
+      * @return a reference to *this
+      */
+      OID& operator+=(u32bit new_comp);
+
+      /**
+      * Construct an OID from a string.
+      * @param str a string in the form "a.b.c" etc., where a,b,c are numbers
+      */
+      OID(const std::string& str = "");
    private:
       std::vector<u32bit> id;
    };
 
-/*************************************************
-* Append another component onto the OID          *
-*************************************************/
-OID BOTAN_DLL operator+(const OID&, u32bit);
+/**
+* Append another component onto the OID.
+* @param oid the OID to add the new component to
+* @param new_comp the new component to add
+*/
+OID operator+(const OID& oid, u32bit new_comp);
 
-/*************************************************
-* Compare two OIDs                               *
-*************************************************/
-bool BOTAN_DLL operator!=(const OID&, const OID&);
-bool BOTAN_DLL operator<(const OID&, const OID&);
+/**
+* Compare two OIDs.
+* @param a the first OID
+* @param b the second OID
+* @return true if a is not equal to b
+*/
+bool operator!=(const OID& a, const OID& b);
+
+/**
+* Compare two OIDs.
+* @param a the first OID
+* @param b the second OID
+* @return true if a is lexicographically smaller than b
+*/
+bool operator<(const OID& a, const OID& b);
 
 }