gecko-dev/intl/locale/idl/nsICollation.idl

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/* -*- Mode: idl; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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#include "nsILocale.idl"
interface nsICollation;
[scriptable, uuid(04971e14-d6b3-4ada-8cbb-c3a13842b349)]
interface nsICollationFactory : nsISupports
{
/**
* Create the collation for a given locale.
*
* Use NULL as the locale parameter to use the user's locale preference
* from the operating system.
*
* @param locale
* The locale for which to create the collation or null to use
* user preference.
* @return A collation for the given locale.
*/
nsICollation CreateCollation(in nsILocale locale);
};
[scriptable, uuid(b0132cc0-3786-4557-9874-910d7def5f93)]
interface nsICollation : nsISupports {
// use the primary comparison for the given locale - no flags
const long kCollationStrengthDefault = 0;
// do not consider case differences when doing the comparison i.e. A=a)
const long kCollationCaseInsensitiveAscii = 1;
// do not consider accent differences when doing the comparison a=á)
const long kCollationAccentInsenstive = 2;
// case sensitive collation (default)
const long kCollationCaseSensitive = kCollationStrengthDefault;
// case insensitive collation
const long kCollationCaseInSensitive = (kCollationCaseInsensitiveAscii | kCollationAccentInsenstive);
// init this interface to a specified locale (should only be called by collation factory)
void initialize(in nsILocale locale);
// compare two strings
// result is same as strcmp
long compareString(in long strength, in AString string1, in AString string2);
// allocate sort key from input string
// returns newly allocated key, and its band its byte length
[noscript] void allocateRawSortKey(in long strength,
in AString stringIn,
[array,size_is(outLen)] out octet key,
out unsigned long outLen);
// compare two sort keys
// length is a byte length, result is same as strcmp
[noscript] long compareRawSortKey([const,array,size_is(len1)] in octet key1, in unsigned long len1,
[const,array,size_is(len2)] in octet key2, in unsigned long len2);
};