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/* 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/.
* This Original Code has been modified by IBM Corporation.
* Modifications made by IBM described herein are
* Copyright (c) International Business Machines
* Corporation, 2000
*
* Modifications to Mozilla code or documentation
* identified per MPL Section 3.3
*
* Date Modified by Description of modification
* 07/05/2000 IBM Corp. Reworked file.
*/
#include "unidef.h"
#include "prmem.h"
#include "nsCollationOS2.h"
#include "nsIServiceManager.h"
#include "nsIComponentManager.h"
#include "nsLocaleCID.h"
#include "nsIPlatformCharset.h"
#include "nsIOS2Locale.h"
#include "nsCOMPtr.h"
#include "nsString.h"
#include "nsCRT.h"
NS_IMPL_ISUPPORTS1(nsCollationOS2, nsICollation)
nsCollationOS2::nsCollationOS2() : mCollation(nullptr)
{
}
nsCollationOS2::~nsCollationOS2()
{
if (mCollation)
delete mCollation;
}
/* Workaround for GCC problem */
#ifndef LOCI_iCodepage
#define LOCI_iCodepage ((LocaleItem)111)
#endif
nsresult nsCollationOS2::Initialize(nsILocale *locale)
{
NS_ASSERTION(!mCollation, "Should only be initialized once");
mCollation = new nsCollation;
return NS_OK;
}
nsresult nsCollationOS2::CompareString(int32_t strength,
const nsAString& string1, const nsAString& string2, int32_t* result)
{
nsAutoString stringNormalized1, stringNormalized2;
if (strength != kCollationCaseSensitive) {
nsresult res;
res = mCollation->NormalizeString(string1, stringNormalized1);
if (NS_FAILED(res)) {
return res;
}
res = mCollation->NormalizeString(string2, stringNormalized2);
if (NS_FAILED(res)) {
return res;
}
} else {
stringNormalized1 = string1;
stringNormalized2 = string2;
}
LocaleObject locObj = NULL;
int ret = UniCreateLocaleObject(UNI_UCS_STRING_POINTER, (UniChar *)L"", &locObj);
if (ret != ULS_SUCCESS)
UniCreateLocaleObject(UNI_UCS_STRING_POINTER, (UniChar *)L"C", &locObj);
*result = UniStrcoll(locObj, (UniChar *)stringNormalized1.get(), (UniChar *)stringNormalized2.get());
UniFreeLocaleObject(locObj);
return NS_OK;
}
nsresult nsCollationOS2::AllocateRawSortKey(int32_t strength,
const nsAString& stringIn, uint8_t** key, uint32_t* outLen)
{
nsresult res = NS_OK;
nsAutoString stringNormalized;
if (strength != kCollationCaseSensitive) {
res = mCollation->NormalizeString(stringIn, stringNormalized);
if (NS_FAILED(res))
return res;
} else {
stringNormalized = stringIn;
}
LocaleObject locObj = NULL;
int ret = UniCreateLocaleObject(UNI_UCS_STRING_POINTER, (UniChar *)L"", &locObj);
if (ret != ULS_SUCCESS)
UniCreateLocaleObject(UNI_UCS_STRING_POINTER, (UniChar *)L"C", &locObj);
res = NS_ERROR_FAILURE; // From here on out assume failure...
int length = UniStrxfrm(locObj, NULL, reinterpret_cast<const UniChar *>(stringNormalized.get()),0);
if (length >= 0) {
length += 5; // Allow for the "extra" chars UniStrxfrm()
// will out put (overrunning the buffer if
// you let it...)
// Magic, persistent buffer. If it's not twice the size we need,
// we grow/reallocate it 4X so it doesn't grow often.
static UniChar* pLocalBuffer = nullptr;
static int iBufferLength = 100;
if (iBufferLength < length*2) {
if ( pLocalBuffer ) {
free(pLocalBuffer);
pLocalBuffer = nullptr;
}
iBufferLength = length*4;
}
if (!pLocalBuffer)
pLocalBuffer = (UniChar*) malloc(sizeof(UniChar) * iBufferLength);
if (pLocalBuffer) {
// Do the Xfrm
int uLen = UniStrxfrm(locObj, pLocalBuffer, reinterpret_cast<const UniChar *>(stringNormalized.get()), iBufferLength);
// See how big the result really is
uLen = UniStrlen(pLocalBuffer);
// make sure it will fit in the output buffer...
if (uLen < iBufferLength) {
// Success!
// Give 'em the real size in bytes...
*key = (uint8_t *)nsCRT::strdup((PRUnichar*) pLocalBuffer);
*outLen = uLen * 2 + 2;
res = NS_OK;
}
}
}
UniFreeLocaleObject(locObj);
return res;
}
nsresult nsCollationOS2::CompareRawSortKey(const uint8_t* key1, uint32_t len1,
const uint8_t* key2, uint32_t len2,
int32_t* result)
{
*result = PL_strcmp((const char *)key1, (const char *)key2);
return NS_OK;
}
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