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comparison: intl/locale/src/nsLocale.cpp
intl/locale/src/nsLocale.cpp
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:69d99c889a91 |
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| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #include "nsString.h" | |
| 7 #include "nsISupports.h" | |
| 8 #include "nsILocale.h" | |
| 9 #include "nsLocale.h" | |
| 10 #include "nsMemory.h" | |
| 11 #include "nsCRT.h" | |
| 12 | |
| 13 #define LOCALE_HASH_SIZE 0xFF | |
| 14 | |
| 15 | |
| 16 /* nsILocale */ | |
| 17 NS_IMPL_ISUPPORTS(nsLocale, nsILocale) | |
| 18 | |
| 19 nsLocale::nsLocale(void) | |
| 20 : fHashtable(nullptr), fCategoryCount(0) | |
| 21 { | |
| 22 fHashtable = PL_NewHashTable(LOCALE_HASH_SIZE,&nsLocale::Hash_HashFunction, | |
| 23 &nsLocale::Hash_CompareNSString, | |
| 24 &nsLocale::Hash_CompareNSString, | |
| 25 nullptr, nullptr); | |
| 26 NS_ASSERTION(fHashtable, "nsLocale: failed to allocate PR_Hashtable"); | |
| 27 } | |
| 28 | |
| 29 nsLocale::~nsLocale(void) | |
| 30 { | |
| 31 // enumerate all the entries with a delete function to | |
| 32 // safely delete all the keys and values | |
| 33 PL_HashTableEnumerateEntries(fHashtable, &nsLocale::Hash_EnumerateDelete, | |
| 34 nullptr); | |
| 35 | |
| 36 PL_HashTableDestroy(fHashtable); | |
| 37 } | |
| 38 | |
| 39 NS_IMETHODIMP | |
| 40 nsLocale::GetCategory(const nsAString& category, nsAString& result) | |
| 41 { | |
| 42 const char16_t *value = (const char16_t*) | |
| 43 PL_HashTableLookup(fHashtable, PromiseFlatString(category).get()); | |
| 44 | |
| 45 if (value) | |
| 46 { | |
| 47 result.Assign(value); | |
| 48 return NS_OK; | |
| 49 } | |
| 50 | |
| 51 return NS_ERROR_FAILURE; | |
| 52 } | |
| 53 | |
| 54 NS_IMETHODIMP | |
| 55 nsLocale::AddCategory(const nsAString &category, const nsAString &value) | |
| 56 { | |
| 57 char16_t* newKey = ToNewUnicode(category); | |
| 58 if (!newKey) | |
| 59 return NS_ERROR_OUT_OF_MEMORY; | |
| 60 | |
| 61 char16_t* newValue = ToNewUnicode(value); | |
| 62 if (!newValue) { | |
| 63 nsMemory::Free(newKey); | |
| 64 return NS_ERROR_OUT_OF_MEMORY; | |
| 65 } | |
| 66 | |
| 67 if (!PL_HashTableAdd(fHashtable, newKey, newValue)) { | |
| 68 nsMemory::Free(newKey); | |
| 69 nsMemory::Free(newValue); | |
| 70 return NS_ERROR_OUT_OF_MEMORY; | |
| 71 } | |
| 72 | |
| 73 return NS_OK; | |
| 74 } | |
| 75 | |
| 76 | |
| 77 PLHashNumber | |
| 78 nsLocale::Hash_HashFunction(const void* key) | |
| 79 { | |
| 80 const char16_t* ptr = (const char16_t *) key; | |
| 81 PLHashNumber hash; | |
| 82 | |
| 83 hash = (PLHashNumber)0; | |
| 84 | |
| 85 while (*ptr) | |
| 86 hash += (PLHashNumber) *ptr++; | |
| 87 | |
| 88 return hash; | |
| 89 } | |
| 90 | |
| 91 | |
| 92 int | |
| 93 nsLocale::Hash_CompareNSString(const void* s1, const void* s2) | |
| 94 { | |
| 95 return !nsCRT::strcmp((const char16_t *) s1, (const char16_t *) s2); | |
| 96 } | |
| 97 | |
| 98 | |
| 99 int | |
| 100 nsLocale::Hash_EnumerateDelete(PLHashEntry *he, int hashIndex, void *arg) | |
| 101 { | |
| 102 // delete an entry | |
| 103 nsMemory::Free((char16_t *)he->key); | |
| 104 nsMemory::Free((char16_t *)he->value); | |
| 105 | |
| 106 return (HT_ENUMERATE_NEXT | HT_ENUMERATE_REMOVE); | |
| 107 } | |
| 108 |
