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intl/locale/src/windows/nsCollationWin.cpp@6474c204b198 (annotated)

intl/locale/src/windows/nsCollationWin.cpp

Wed, 31 Dec 2014 06:09:35 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Wed, 31 Dec 2014 06:09:35 +0100

changeset 0

6474c204b198

permissions

-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0	1	/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0	2	/* This Source Code Form is subject to the terms of the Mozilla Public
michael@0	3	* License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0	4	* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0	5
michael@0	6
michael@0	7	#include "nsCollationWin.h"
michael@0	8	#include "nsIServiceManager.h"
michael@0	9	#include "nsIComponentManager.h"
michael@0	10	#include "nsILocaleService.h"
michael@0	11	#include "nsIPlatformCharset.h"
michael@0	12	#include "nsWin32Locale.h"
michael@0	13	#include "nsCOMPtr.h"
michael@0	14	#include "prmem.h"
michael@0	15	#include "plstr.h"
michael@0	16	#include <windows.h>
michael@0	17
michael@0	18	#undef CompareString
michael@0	19
michael@0	20	NS_IMPL_ISUPPORTS(nsCollationWin, nsICollation)
michael@0	21
michael@0	22
michael@0	23	nsCollationWin::nsCollationWin() : mCollation(nullptr)
michael@0	24	{
michael@0	25	}
michael@0	26
michael@0	27	nsCollationWin::~nsCollationWin()
michael@0	28	{
michael@0	29	if (mCollation)
michael@0	30	delete mCollation;
michael@0	31	}
michael@0	32
michael@0	33	nsresult nsCollationWin::Initialize(nsILocale* locale)
michael@0	34	{
michael@0	35	NS_ASSERTION(!mCollation, "Should only be initialized once.");
michael@0	36
michael@0	37	nsresult res;
michael@0	38
michael@0	39	mCollation = new nsCollation;
michael@0	40
michael@0	41	// default LCID (en-US)
michael@0	42	mLCID = 1033;
michael@0	43
michael@0	44	nsAutoString localeStr;
michael@0	45
michael@0	46	// get locale string, use app default if no locale specified
michael@0	47	if (!locale) {
michael@0	48	nsCOMPtr<nsILocaleService> localeService =
michael@0	49	do_GetService(NS_LOCALESERVICE_CONTRACTID);
michael@0	50	if (localeService) {
michael@0	51	nsCOMPtr<nsILocale> appLocale;
michael@0	52	res = localeService->GetApplicationLocale(getter_AddRefs(appLocale));
michael@0	53	if (NS_SUCCEEDED(res)) {
michael@0	54	res = appLocale->GetCategory(NS_LITERAL_STRING("NSILOCALE_COLLATE"),
michael@0	55	localeStr);
michael@0	56	}
michael@0	57	}
michael@0	58	}
michael@0	59	else {
michael@0	60	res = locale->GetCategory(NS_LITERAL_STRING("NSILOCALE_COLLATE"),
michael@0	61	localeStr);
michael@0	62	}
michael@0	63
michael@0	64	// Get LCID and charset name from locale, if available
michael@0	65	LCID lcid;
michael@0	66	res = nsWin32Locale::GetPlatformLocale(localeStr, &lcid);
michael@0	67	if (NS_SUCCEEDED(res)) {
michael@0	68	mLCID = lcid;
michael@0	69	}
michael@0	70
michael@0	71	nsCOMPtr <nsIPlatformCharset> platformCharset =
michael@0	72	do_GetService(NS_PLATFORMCHARSET_CONTRACTID);
michael@0	73	if (platformCharset) {
michael@0	74	nsAutoCString mappedCharset;
michael@0	75	res = platformCharset->GetDefaultCharsetForLocale(localeStr, mappedCharset);
michael@0	76	if (NS_SUCCEEDED(res)) {
michael@0	77	mCollation->SetCharset(mappedCharset.get());
michael@0	78	}
michael@0	79	}
michael@0	80
michael@0	81	return NS_OK;
michael@0	82	}
michael@0	83
michael@0	84
michael@0	85	NS_IMETHODIMP nsCollationWin::CompareString(int32_t strength,
michael@0	86	const nsAString & string1,
michael@0	87	const nsAString & string2,
michael@0	88	int32_t *result)
michael@0	89	{
michael@0	90	int retval;
michael@0	91	nsresult res;
michael@0	92	DWORD dwMapFlags = 0;
michael@0	93
michael@0	94	if (strength == kCollationCaseInSensitive)
michael@0	95	dwMapFlags |= NORM_IGNORECASE;
michael@0	96
michael@0	97	retval = ::CompareStringW(mLCID,
michael@0	98	dwMapFlags,
michael@0	99	(LPCWSTR) PromiseFlatString(string1).get(),
michael@0	100	-1,
michael@0	101	(LPCWSTR) PromiseFlatString(string2).get(),
michael@0	102	-1);
michael@0	103	if (retval) {
michael@0	104	res = NS_OK;
michael@0	105	*result = retval - 2;
michael@0	106	} else {
michael@0	107	res = NS_ERROR_FAILURE;
michael@0	108	}
michael@0	109
michael@0	110	return res;
michael@0	111	}
michael@0	112
michael@0	113
michael@0	114	nsresult nsCollationWin::AllocateRawSortKey(int32_t strength,
michael@0	115	const nsAString& stringIn, uint8_t** key, uint32_t* outLen)
michael@0	116	{
michael@0	117	int byteLen;
michael@0	118	void *buffer;
michael@0	119	nsresult res = NS_OK;
michael@0	120	DWORD dwMapFlags = LCMAP_SORTKEY;
michael@0	121
michael@0	122	if (strength == kCollationCaseInSensitive)
michael@0	123	dwMapFlags |= NORM_IGNORECASE;
michael@0	124
michael@0	125	byteLen = LCMapStringW(mLCID, dwMapFlags,
michael@0	126	(LPCWSTR) PromiseFlatString(stringIn).get(),
michael@0	127	-1, nullptr, 0);
michael@0	128	buffer = PR_Malloc(byteLen);
michael@0	129	if (!buffer) {
michael@0	130	res = NS_ERROR_OUT_OF_MEMORY;
michael@0	131	} else {
michael@0	132	*key = (uint8_t *)buffer;
michael@0	133	*outLen = LCMapStringW(mLCID, dwMapFlags,
michael@0	134	(LPCWSTR) PromiseFlatString(stringIn).get(),
michael@0	135	-1, (LPWSTR) buffer, byteLen);
michael@0	136	}
michael@0	137	return res;
michael@0	138	}
michael@0	139
michael@0	140	nsresult nsCollationWin::CompareRawSortKey(const uint8_t* key1, uint32_t len1,
michael@0	141	const uint8_t* key2, uint32_t len2,
michael@0	142	int32_t* result)
michael@0	143	{
michael@0	144	*result = PL_strcmp((const char *)key1, (const char *)key2);
michael@0	145	return NS_OK;
michael@0	146	}