intl/locale/src/nsLocale.cpp@6474c204b198 (annotated)
intl/locale/src/nsLocale.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 | #include "nsString.h" |
| michael@0 | 7 | #include "nsISupports.h" |
| michael@0 | 8 | #include "nsILocale.h" |
| michael@0 | 9 | #include "nsLocale.h" |
| michael@0 | 10 | #include "nsMemory.h" |
| michael@0 | 11 | #include "nsCRT.h" |
| michael@0 | 12 | |
| michael@0 | 13 | #define LOCALE_HASH_SIZE 0xFF |
| michael@0 | 14 | |
| michael@0 | 15 | |
| michael@0 | 16 | /* nsILocale */ |
| michael@0 | 17 | NS_IMPL_ISUPPORTS(nsLocale, nsILocale) |
| michael@0 | 18 | |
| michael@0 | 19 | nsLocale::nsLocale(void) |
| michael@0 | 20 | : fHashtable(nullptr), fCategoryCount(0) |
| michael@0 | 21 | { |
| michael@0 | 22 | fHashtable = PL_NewHashTable(LOCALE_HASH_SIZE,&nsLocale::Hash_HashFunction, |
| michael@0 | 23 | &nsLocale::Hash_CompareNSString, |
| michael@0 | 24 | &nsLocale::Hash_CompareNSString, |
| michael@0 | 25 | nullptr, nullptr); |
| michael@0 | 26 | NS_ASSERTION(fHashtable, "nsLocale: failed to allocate PR_Hashtable"); |
| michael@0 | 27 | } |
| michael@0 | 28 | |
| michael@0 | 29 | nsLocale::~nsLocale(void) |
| michael@0 | 30 | { |
| michael@0 | 31 | // enumerate all the entries with a delete function to |
| michael@0 | 32 | // safely delete all the keys and values |
| michael@0 | 33 | PL_HashTableEnumerateEntries(fHashtable, &nsLocale::Hash_EnumerateDelete, |
| michael@0 | 34 | nullptr); |
| michael@0 | 35 | |
| michael@0 | 36 | PL_HashTableDestroy(fHashtable); |
| michael@0 | 37 | } |
| michael@0 | 38 | |
| michael@0 | 39 | NS_IMETHODIMP |
| michael@0 | 40 | nsLocale::GetCategory(const nsAString& category, nsAString& result) |
| michael@0 | 41 | { |
| michael@0 | 42 | const char16_t *value = (const char16_t*) |
| michael@0 | 43 | PL_HashTableLookup(fHashtable, PromiseFlatString(category).get()); |
| michael@0 | 44 | |
| michael@0 | 45 | if (value) |
| michael@0 | 46 | { |
| michael@0 | 47 | result.Assign(value); |
| michael@0 | 48 | return NS_OK; |
| michael@0 | 49 | } |
| michael@0 | 50 | |
| michael@0 | 51 | return NS_ERROR_FAILURE; |
| michael@0 | 52 | } |
| michael@0 | 53 | |
| michael@0 | 54 | NS_IMETHODIMP |
| michael@0 | 55 | nsLocale::AddCategory(const nsAString &category, const nsAString &value) |
| michael@0 | 56 | { |
| michael@0 | 57 | char16_t* newKey = ToNewUnicode(category); |
| michael@0 | 58 | if (!newKey) |
| michael@0 | 59 | return NS_ERROR_OUT_OF_MEMORY; |
| michael@0 | 60 | |
| michael@0 | 61 | char16_t* newValue = ToNewUnicode(value); |
| michael@0 | 62 | if (!newValue) { |
| michael@0 | 63 | nsMemory::Free(newKey); |
| michael@0 | 64 | return NS_ERROR_OUT_OF_MEMORY; |
| michael@0 | 65 | } |
| michael@0 | 66 | |
| michael@0 | 67 | if (!PL_HashTableAdd(fHashtable, newKey, newValue)) { |
| michael@0 | 68 | nsMemory::Free(newKey); |
| michael@0 | 69 | nsMemory::Free(newValue); |
| michael@0 | 70 | return NS_ERROR_OUT_OF_MEMORY; |
| michael@0 | 71 | } |
| michael@0 | 72 | |
| michael@0 | 73 | return NS_OK; |
| michael@0 | 74 | } |
| michael@0 | 75 | |
| michael@0 | 76 | |
| michael@0 | 77 | PLHashNumber |
| michael@0 | 78 | nsLocale::Hash_HashFunction(const void* key) |
| michael@0 | 79 | { |
| michael@0 | 80 | const char16_t* ptr = (const char16_t *) key; |
| michael@0 | 81 | PLHashNumber hash; |
| michael@0 | 82 | |
| michael@0 | 83 | hash = (PLHashNumber)0; |
| michael@0 | 84 | |
| michael@0 | 85 | while (*ptr) |
| michael@0 | 86 | hash += (PLHashNumber) *ptr++; |
| michael@0 | 87 | |
| michael@0 | 88 | return hash; |
| michael@0 | 89 | } |
| michael@0 | 90 | |
| michael@0 | 91 | |
| michael@0 | 92 | int |
| michael@0 | 93 | nsLocale::Hash_CompareNSString(const void* s1, const void* s2) |
| michael@0 | 94 | { |
| michael@0 | 95 | return !nsCRT::strcmp((const char16_t *) s1, (const char16_t *) s2); |
| michael@0 | 96 | } |
| michael@0 | 97 | |
| michael@0 | 98 | |
| michael@0 | 99 | int |
| michael@0 | 100 | nsLocale::Hash_EnumerateDelete(PLHashEntry *he, int hashIndex, void *arg) |
| michael@0 | 101 | { |
| michael@0 | 102 | // delete an entry |
| michael@0 | 103 | nsMemory::Free((char16_t *)he->key); |
| michael@0 | 104 | nsMemory::Free((char16_t *)he->value); |
| michael@0 | 105 | |
| michael@0 | 106 | return (HT_ENUMERATE_NEXT | HT_ENUMERATE_REMOVE); |
| michael@0 | 107 | } |
| michael@0 | 108 |
