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Diffstat (limited to 'ldap/xpcom/public/nsILDAPBERElement.idl')
| -rw-r--r-- | ldap/xpcom/public/nsILDAPBERElement.idl | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/ldap/xpcom/public/nsILDAPBERElement.idl b/ldap/xpcom/public/nsILDAPBERElement.idl new file mode 100644 index 000000000..24a662782 --- /dev/null +++ b/ldap/xpcom/public/nsILDAPBERElement.idl @@ -0,0 +1,122 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "nsISupports.idl" + +interface nsILDAPBERValue; + + +/** + * nsILDAPBERElement is a wrapper interface for a C-SDK BerElement object. + * Typically, this is used as an intermediate object to aid in the manual + * construction of a BER value. Once the construction is completed by calling + * methods on this object, an nsILDAPBERValue can be retrieved from the + * asValue attribute on this interface. + * + * <http://www.mozilla.org/directory/ietf-docs/draft-ietf-ldapext-ldap-c-api-05.txt> + * contains some documentation that mostly (but not exactly) matches + * the code that this wraps in section 17. + */ + +[scriptable, uuid(409f5b31-c062-4d11-a35b-0a09e7967bf2)] +interface nsILDAPBERElement : nsISupports +{ + /** + * Initialize this object. Must be called before calling any other method + * on this interface. + * + * @param aValue value to preinitialize with; 0 for a new empty object + * + * @exception NS_ERROR_NOT_IMPLEMENTED preinitialization is currently + * not implemented + * @exception NS_ERROR_OUT_OF_MEMORY unable to allocate the internal + * BerElement + */ + void init(in nsILDAPBERValue aValue); + + /** + * Most TAG_* constants can be used in the construction or passing in of + * values to the aTag arguments to most of the methods in this interface. + */ + + /** + * When returned from a parsing method, 0xffffffff is referred to + * has the parse-error semantic (ie TAG_LBER_ERROR); when passing it to + * a construction method, it is used to mean "pick the default tag for + * this type" (ie TAG_LBER_DEFAULT). + */ + const unsigned long TAG_LBER_ERROR = 0xffffffff; + const unsigned long TAG_LBER_DEFAULT = 0xffffffff; + const unsigned long TAG_LBER_END_OF_SEQORSET = 0xfffffffe; + + /** + * BER encoding types and masks + */ + const unsigned long TAG_LBER_PRIMITIVE = 0x00; + + /** + * The following two tags are carried over from the LDAP C SDK; their + * exact purpose there is not well documented. They both have + * the same value there as well. + */ + const unsigned long TAG_LBER_CONSTRUCTED = 0x20; + const unsigned long TAG_LBER_ENCODING_MASK = 0x20; + + const unsigned long TAG_LBER_BIG_TAG_MASK = 0x1f; + const unsigned long TAG_LBER_MORE_TAG_MASK = 0x80; + + /** + * general BER types we know about + */ + const unsigned long TAG_LBER_BOOLEAN = 0x01; + const unsigned long TAG_LBER_INTEGER = 0x02; + const unsigned long TAG_LBER_BITSTRING = 0x03; + const unsigned long TAG_LBER_OCTETSTRING = 0x04; + const unsigned long TAG_LBER_NULL = 0x05; + const unsigned long TAG_LBER_ENUMERATED = 0x0a; + const unsigned long TAG_LBER_SEQUENCE = 0x30; + const unsigned long TAG_LBER_SET = 0x31; + + /** + * Write a string to this element. + * + * @param aString string to write + * @param aTag tag for this string (if TAG_LBER_DEFAULT is used, + * TAG_LBER_OCTETSTRING will be written). + * + * @return number of bytes written + * + * @exception NS_ERROR_FAILUE C-SDK returned error + */ + unsigned long putString(in AUTF8String aString, in unsigned long aTag); + + /** + * Start a set. Sets may be nested. + * + * @param aTag tag for this set (if TAG_LBER_DEFAULT is used, + * TAG_LBER_SET will be written). + * + * @exception NS_ERROR_FAILUE C-SDK returned an error + */ + void startSet(in unsigned long aTag); + + /** + * Cause the entire set started by the last startSet() call to be written. + * + * @exception NS_ERROR_FAILUE C-SDK returned an error + * + * @return number of bytes written + */ + unsigned long putSet(); + + /** + * an nsILDAPBERValue version of this element. Calls ber_flatten() under + * the hood. + * + * @exception NS_ERROR_OUT_OF_MEMORY + */ + readonly attribute nsILDAPBERValue asValue; +}; |