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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /storage/mozStorageStatementRow.cpp | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'storage/mozStorageStatementRow.cpp')
-rw-r--r-- | storage/mozStorageStatementRow.cpp | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/storage/mozStorageStatementRow.cpp b/storage/mozStorageStatementRow.cpp new file mode 100644 index 0000000000..7d203d7513 --- /dev/null +++ b/storage/mozStorageStatementRow.cpp @@ -0,0 +1,152 @@ +/* -*- 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 "nsString.h" + +#include "mozilla/ErrorResult.h" +#include "mozilla/dom/MozStorageStatementRowBinding.h" +#include "mozStorageStatementRow.h" +#include "mozStorageStatement.h" + +#include "jsapi.h" +#include "js/Array.h" // JS::NewArrayObject +#include "js/PropertyAndElement.h" // JS_DefineElement +#include "js/Value.h" + +#include "xpc_make_class.h" + +namespace mozilla { +namespace storage { + +//////////////////////////////////////////////////////////////////////////////// +//// StatementRow + +NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(StatementRow, mWindow) + +NS_INTERFACE_TABLE_HEAD(StatementRow) + NS_WRAPPERCACHE_INTERFACE_TABLE_ENTRY + NS_INTERFACE_TABLE(StatementRow, nsISupports) + NS_INTERFACE_TABLE_TO_MAP_SEGUE_CYCLE_COLLECTION(StatementRow) +NS_INTERFACE_MAP_END + +NS_IMPL_CYCLE_COLLECTING_ADDREF(StatementRow) +NS_IMPL_CYCLE_COLLECTING_RELEASE(StatementRow) + +StatementRow::StatementRow(nsPIDOMWindowInner* aWindow, Statement* aStatement) + : mWindow(aWindow), mStatement(aStatement) {} + +JSObject* StatementRow::WrapObject(JSContext* aCx, + JS::Handle<JSObject*> aGivenProto) { + return dom::MozStorageStatementRow_Binding::Wrap(aCx, this, aGivenProto); +} + +void StatementRow::NamedGetter(JSContext* aCx, const nsAString& aName, + bool& aFound, + JS::MutableHandle<JS::Value> aResult, + mozilla::ErrorResult& aRv) { + if (!mStatement) { + aRv.Throw(NS_ERROR_NOT_INITIALIZED); + return; + } + + nsCString name = NS_ConvertUTF16toUTF8(aName); + + uint32_t idx; + { + nsresult rv = mStatement->GetColumnIndex(name, &idx); + if (NS_FAILED(rv)) { + // It's highly likely that the name doesn't exist, so let the JS engine + // check the prototype chain and throw if that doesn't have the property + // either. + aFound = false; + return; + } + } + + int32_t type; + aRv = mStatement->GetTypeOfIndex(idx, &type); + if (aRv.Failed()) { + return; + } + + switch (type) { + case mozIStorageValueArray::VALUE_TYPE_INTEGER: + case mozIStorageValueArray::VALUE_TYPE_FLOAT: { + double dval; + aRv = mStatement->GetDouble(idx, &dval); + if (aRv.Failed()) { + return; + } + aResult.set(::JS_NumberValue(dval)); + break; + } + case mozIStorageValueArray::VALUE_TYPE_TEXT: { + uint32_t bytes; + const char16_t* sval = reinterpret_cast<const char16_t*>( + static_cast<mozIStorageStatement*>(mStatement) + ->AsSharedWString(idx, &bytes)); + JSString* str = + ::JS_NewUCStringCopyN(aCx, sval, bytes / sizeof(char16_t)); + if (!str) { + aRv.Throw(NS_ERROR_UNEXPECTED); + return; + } + aResult.setString(str); + break; + } + case mozIStorageValueArray::VALUE_TYPE_BLOB: { + uint32_t length; + const uint8_t* blob = static_cast<mozIStorageStatement*>(mStatement) + ->AsSharedBlob(idx, &length); + JS::Rooted<JSObject*> obj(aCx, JS::NewArrayObject(aCx, length)); + if (!obj) { + aRv.Throw(NS_ERROR_UNEXPECTED); + return; + } + aResult.setObject(*obj); + + // Copy the blob over to the JS array. + for (uint32_t i = 0; i < length; i++) { + if (!::JS_DefineElement(aCx, obj, i, blob[i], JSPROP_ENUMERATE)) { + aRv.Throw(NS_ERROR_UNEXPECTED); + return; + } + } + break; + } + case mozIStorageValueArray::VALUE_TYPE_NULL: + aResult.setNull(); + break; + default: + NS_ERROR("unknown column type returned, what's going on?"); + break; + } + aFound = true; +} + +void StatementRow::GetSupportedNames(nsTArray<nsString>& aNames) { + if (!mStatement) { + return; + } + + uint32_t columnCount; + nsresult rv = mStatement->GetColumnCount(&columnCount); + if (NS_WARN_IF(NS_FAILED(rv))) { + return; + } + + for (uint32_t i = 0; i < columnCount; i++) { + nsAutoCString name; + nsresult rv = mStatement->GetColumnName(i, name); + if (NS_WARN_IF(NS_FAILED(rv))) { + return; + } + aNames.AppendElement(NS_ConvertUTF8toUTF16(name)); + } +} + +} // namespace storage +} // namespace mozilla |