1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/intl/locale/src/nsLocale.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,108 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#include "nsString.h"
1.10 +#include "nsISupports.h"
1.11 +#include "nsILocale.h"
1.12 +#include "nsLocale.h"
1.13 +#include "nsMemory.h"
1.14 +#include "nsCRT.h"
1.15 +
1.16 +#define LOCALE_HASH_SIZE 0xFF
1.17 +
1.18 +
1.19 +/* nsILocale */
1.20 +NS_IMPL_ISUPPORTS(nsLocale, nsILocale)
1.21 +
1.22 +nsLocale::nsLocale(void)
1.23 +: fHashtable(nullptr), fCategoryCount(0)
1.24 +{
1.25 + fHashtable = PL_NewHashTable(LOCALE_HASH_SIZE,&nsLocale::Hash_HashFunction,
1.26 + &nsLocale::Hash_CompareNSString,
1.27 + &nsLocale::Hash_CompareNSString,
1.28 + nullptr, nullptr);
1.29 + NS_ASSERTION(fHashtable, "nsLocale: failed to allocate PR_Hashtable");
1.30 +}
1.31 +
1.32 +nsLocale::~nsLocale(void)
1.33 +{
1.34 + // enumerate all the entries with a delete function to
1.35 + // safely delete all the keys and values
1.36 + PL_HashTableEnumerateEntries(fHashtable, &nsLocale::Hash_EnumerateDelete,
1.37 + nullptr);
1.38 +
1.39 + PL_HashTableDestroy(fHashtable);
1.40 +}
1.41 +
1.42 +NS_IMETHODIMP
1.43 +nsLocale::GetCategory(const nsAString& category, nsAString& result)
1.44 +{
1.45 + const char16_t *value = (const char16_t*)
1.46 + PL_HashTableLookup(fHashtable, PromiseFlatString(category).get());
1.47 +
1.48 + if (value)
1.49 + {
1.50 + result.Assign(value);
1.51 + return NS_OK;
1.52 + }
1.53 +
1.54 + return NS_ERROR_FAILURE;
1.55 +}
1.56 +
1.57 +NS_IMETHODIMP
1.58 +nsLocale::AddCategory(const nsAString &category, const nsAString &value)
1.59 +{
1.60 + char16_t* newKey = ToNewUnicode(category);
1.61 + if (!newKey)
1.62 + return NS_ERROR_OUT_OF_MEMORY;
1.63 +
1.64 + char16_t* newValue = ToNewUnicode(value);
1.65 + if (!newValue) {
1.66 + nsMemory::Free(newKey);
1.67 + return NS_ERROR_OUT_OF_MEMORY;
1.68 + }
1.69 +
1.70 + if (!PL_HashTableAdd(fHashtable, newKey, newValue)) {
1.71 + nsMemory::Free(newKey);
1.72 + nsMemory::Free(newValue);
1.73 + return NS_ERROR_OUT_OF_MEMORY;
1.74 + }
1.75 +
1.76 + return NS_OK;
1.77 +}
1.78 +
1.79 +
1.80 +PLHashNumber
1.81 +nsLocale::Hash_HashFunction(const void* key)
1.82 +{
1.83 + const char16_t* ptr = (const char16_t *) key;
1.84 + PLHashNumber hash;
1.85 +
1.86 + hash = (PLHashNumber)0;
1.87 +
1.88 + while (*ptr)
1.89 + hash += (PLHashNumber) *ptr++;
1.90 +
1.91 + return hash;
1.92 +}
1.93 +
1.94 +
1.95 +int
1.96 +nsLocale::Hash_CompareNSString(const void* s1, const void* s2)
1.97 +{
1.98 + return !nsCRT::strcmp((const char16_t *) s1, (const char16_t *) s2);
1.99 +}
1.100 +
1.101 +
1.102 +int
1.103 +nsLocale::Hash_EnumerateDelete(PLHashEntry *he, int hashIndex, void *arg)
1.104 +{
1.105 + // delete an entry
1.106 + nsMemory::Free((char16_t *)he->key);
1.107 + nsMemory::Free((char16_t *)he->value);
1.108 +
1.109 + return (HT_ENUMERATE_NEXT | HT_ENUMERATE_REMOVE);
1.110 +}
1.111 +
