diff options
Diffstat (limited to 'storage/mozStorageArgValueArray.cpp')
| -rw-r--r-- | storage/mozStorageArgValueArray.cpp | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/storage/mozStorageArgValueArray.cpp b/storage/mozStorageArgValueArray.cpp new file mode 100644 index 0000000000..56e97aaa8b --- /dev/null +++ b/storage/mozStorageArgValueArray.cpp @@ -0,0 +1,182 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- + * vim: sw=2 ts=2 et lcs=trail\:.,tab\:>~ : + * 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/. */ + +#include "nsError.h" +#include "nsString.h" + +#include "mozStoragePrivateHelpers.h" +#include "mozStorageArgValueArray.h" + +namespace mozilla { +namespace storage { + +//////////////////////////////////////////////////////////////////////////////// +//// ArgValueArray + +ArgValueArray::ArgValueArray(int32_t aArgc, sqlite3_value** aArgv) + : mArgc(aArgc), mArgv(aArgv) {} + +NS_IMPL_ISUPPORTS(ArgValueArray, mozIStorageValueArray) + +//////////////////////////////////////////////////////////////////////////////// +//// mozIStorageValueArray + +NS_IMETHODIMP +ArgValueArray::GetNumEntries(uint32_t* _size) { + *_size = mArgc; + return NS_OK; +} + +NS_IMETHODIMP +ArgValueArray::GetTypeOfIndex(uint32_t aIndex, int32_t* _type) { + ENSURE_INDEX_VALUE(aIndex, mArgc); + + int t = ::sqlite3_value_type(mArgv[aIndex]); + switch (t) { + case SQLITE_INTEGER: + *_type = VALUE_TYPE_INTEGER; + break; + case SQLITE_FLOAT: + *_type = VALUE_TYPE_FLOAT; + break; + case SQLITE_TEXT: + *_type = VALUE_TYPE_TEXT; + break; + case SQLITE_BLOB: + *_type = VALUE_TYPE_BLOB; + break; + case SQLITE_NULL: + *_type = VALUE_TYPE_NULL; + break; + default: + return NS_ERROR_FAILURE; + } + + return NS_OK; +} + +NS_IMETHODIMP +ArgValueArray::GetInt32(uint32_t aIndex, int32_t* _value) { + ENSURE_INDEX_VALUE(aIndex, mArgc); + + *_value = ::sqlite3_value_int(mArgv[aIndex]); + return NS_OK; +} + +NS_IMETHODIMP +ArgValueArray::GetInt64(uint32_t aIndex, int64_t* _value) { + ENSURE_INDEX_VALUE(aIndex, mArgc); + + *_value = ::sqlite3_value_int64(mArgv[aIndex]); + return NS_OK; +} + +NS_IMETHODIMP +ArgValueArray::GetDouble(uint32_t aIndex, double* _value) { + ENSURE_INDEX_VALUE(aIndex, mArgc); + + *_value = ::sqlite3_value_double(mArgv[aIndex]); + return NS_OK; +} + +NS_IMETHODIMP +ArgValueArray::GetUTF8String(uint32_t aIndex, nsACString& _value) { + ENSURE_INDEX_VALUE(aIndex, mArgc); + + if (::sqlite3_value_type(mArgv[aIndex]) == SQLITE_NULL) { + // NULL columns should have IsVoid set to distinguish them from an empty + // string. + _value.SetIsVoid(true); + } else { + _value.Assign( + reinterpret_cast<const char*>(::sqlite3_value_text(mArgv[aIndex])), + ::sqlite3_value_bytes(mArgv[aIndex])); + } + return NS_OK; +} + +NS_IMETHODIMP +ArgValueArray::GetString(uint32_t aIndex, nsAString& _value) { + ENSURE_INDEX_VALUE(aIndex, mArgc); + + if (::sqlite3_value_type(mArgv[aIndex]) == SQLITE_NULL) { + // NULL columns should have IsVoid set to distinguish them from an empty + // string. + _value.SetIsVoid(true); + } else { + const char16_t* string = + static_cast<const char16_t*>(::sqlite3_value_text16(mArgv[aIndex])); + _value.Assign(string, + ::sqlite3_value_bytes16(mArgv[aIndex]) / sizeof(char16_t)); + } + return NS_OK; +} + +NS_IMETHODIMP +ArgValueArray::GetBlob(uint32_t aIndex, uint32_t* _size, uint8_t** _blob) { + ENSURE_INDEX_VALUE(aIndex, mArgc); + + int size = ::sqlite3_value_bytes(mArgv[aIndex]); + void* blob = moz_xmemdup(::sqlite3_value_blob(mArgv[aIndex]), size); + *_blob = static_cast<uint8_t*>(blob); + *_size = size; + return NS_OK; +} + +NS_IMETHODIMP +ArgValueArray::GetBlobAsString(uint32_t aIndex, nsAString& aValue) { + return DoGetBlobAsString(this, aIndex, aValue); +} + +NS_IMETHODIMP +ArgValueArray::GetBlobAsUTF8String(uint32_t aIndex, nsACString& aValue) { + return DoGetBlobAsString(this, aIndex, aValue); +} + +NS_IMETHODIMP +ArgValueArray::GetIsNull(uint32_t aIndex, bool* _isNull) { + // GetTypeOfIndex will check aIndex for us, so we don't have to. + int32_t type; + nsresult rv = GetTypeOfIndex(aIndex, &type); + NS_ENSURE_SUCCESS(rv, rv); + + *_isNull = (type == VALUE_TYPE_NULL); + return NS_OK; +} + +NS_IMETHODIMP +ArgValueArray::GetSharedUTF8String(uint32_t aIndex, uint32_t* _byteLength, + const char** _string) { + *_string = reinterpret_cast<const char*>(::sqlite3_value_text(mArgv[aIndex])); + if (_byteLength) { + *_byteLength = ::sqlite3_value_bytes(mArgv[aIndex]); + } + return NS_OK; +} + +NS_IMETHODIMP +ArgValueArray::GetSharedString(uint32_t aIndex, uint32_t* _byteLength, + const char16_t** _string) { + *_string = + static_cast<const char16_t*>(::sqlite3_value_text16(mArgv[aIndex])); + if (_byteLength) { + *_byteLength = ::sqlite3_value_bytes16(mArgv[aIndex]); + } + return NS_OK; +} + +NS_IMETHODIMP +ArgValueArray::GetSharedBlob(uint32_t aIndex, uint32_t* _byteLength, + const uint8_t** _blob) { + *_blob = static_cast<const uint8_t*>(::sqlite3_value_blob(mArgv[aIndex])); + if (_byteLength) { + *_byteLength = ::sqlite3_value_bytes(mArgv[aIndex]); + } + return NS_OK; +} + +} // namespace storage +} // namespace mozilla |