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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /storage/mozStorageRow.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'storage/mozStorageRow.cpp')
-rw-r--r--storage/mozStorageRow.cpp247
1 files changed, 247 insertions, 0 deletions
diff --git a/storage/mozStorageRow.cpp b/storage/mozStorageRow.cpp
new file mode 100644
index 000000000..7bcac4c30
--- /dev/null
+++ b/storage/mozStorageRow.cpp
@@ -0,0 +1,247 @@
+/* -*- 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 "sqlite3.h"
+#include "mozStoragePrivateHelpers.h"
+#include "Variant.h"
+#include "mozStorageRow.h"
+
+namespace mozilla {
+namespace storage {
+
+////////////////////////////////////////////////////////////////////////////////
+//// Row
+
+nsresult
+Row::initialize(sqlite3_stmt *aStatement)
+{
+ // Get the number of results
+ mNumCols = ::sqlite3_column_count(aStatement);
+
+ // Start copying over values
+ for (uint32_t i = 0; i < mNumCols; i++) {
+ // Store the value
+ nsIVariant *variant = nullptr;
+ int type = ::sqlite3_column_type(aStatement, i);
+ switch (type) {
+ case SQLITE_INTEGER:
+ variant = new IntegerVariant(::sqlite3_column_int64(aStatement, i));
+ break;
+ case SQLITE_FLOAT:
+ variant = new FloatVariant(::sqlite3_column_double(aStatement, i));
+ break;
+ case SQLITE_TEXT:
+ {
+ nsDependentString str(
+ static_cast<const char16_t *>(::sqlite3_column_text16(aStatement, i))
+ );
+ variant = new TextVariant(str);
+ break;
+ }
+ case SQLITE_NULL:
+ variant = new NullVariant();
+ break;
+ case SQLITE_BLOB:
+ {
+ int size = ::sqlite3_column_bytes(aStatement, i);
+ const void *data = ::sqlite3_column_blob(aStatement, i);
+ variant = new BlobVariant(std::pair<const void *, int>(data, size));
+ break;
+ }
+ default:
+ return NS_ERROR_UNEXPECTED;
+ }
+ NS_ENSURE_TRUE(variant, NS_ERROR_OUT_OF_MEMORY);
+
+ // Insert into our storage array
+ NS_ENSURE_TRUE(mData.InsertObjectAt(variant, i), NS_ERROR_OUT_OF_MEMORY);
+
+ // Associate the name (if any) with the index
+ const char *name = ::sqlite3_column_name(aStatement, i);
+ if (!name) break;
+ nsAutoCString colName(name);
+ mNameHashtable.Put(colName, i);
+ }
+
+ return NS_OK;
+}
+
+/**
+ * Note: This object is only ever accessed on one thread at a time. It it not
+ * threadsafe, but it does need threadsafe AddRef and Release.
+ */
+NS_IMPL_ISUPPORTS(
+ Row,
+ mozIStorageRow,
+ mozIStorageValueArray
+)
+
+////////////////////////////////////////////////////////////////////////////////
+//// mozIStorageRow
+
+NS_IMETHODIMP
+Row::GetResultByIndex(uint32_t aIndex,
+ nsIVariant **_result)
+{
+ ENSURE_INDEX_VALUE(aIndex, mNumCols);
+ NS_ADDREF(*_result = mData.ObjectAt(aIndex));
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+Row::GetResultByName(const nsACString &aName,
+ nsIVariant **_result)
+{
+ uint32_t index;
+ NS_ENSURE_TRUE(mNameHashtable.Get(aName, &index), NS_ERROR_NOT_AVAILABLE);
+ return GetResultByIndex(index, _result);
+}
+
+////////////////////////////////////////////////////////////////////////////////
+//// mozIStorageValueArray
+
+NS_IMETHODIMP
+Row::GetNumEntries(uint32_t *_entries)
+{
+ *_entries = mNumCols;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+Row::GetTypeOfIndex(uint32_t aIndex,
+ int32_t *_type)
+{
+ ENSURE_INDEX_VALUE(aIndex, mNumCols);
+
+ uint16_t type;
+ (void)mData.ObjectAt(aIndex)->GetDataType(&type);
+ switch (type) {
+ case nsIDataType::VTYPE_INT32:
+ case nsIDataType::VTYPE_INT64:
+ *_type = mozIStorageValueArray::VALUE_TYPE_INTEGER;
+ break;
+ case nsIDataType::VTYPE_DOUBLE:
+ *_type = mozIStorageValueArray::VALUE_TYPE_FLOAT;
+ break;
+ case nsIDataType::VTYPE_ASTRING:
+ *_type = mozIStorageValueArray::VALUE_TYPE_TEXT;
+ break;
+ case nsIDataType::VTYPE_ARRAY:
+ *_type = mozIStorageValueArray::VALUE_TYPE_BLOB;
+ break;
+ default:
+ *_type = mozIStorageValueArray::VALUE_TYPE_NULL;
+ break;
+ }
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+Row::GetInt32(uint32_t aIndex,
+ int32_t *_value)
+{
+ ENSURE_INDEX_VALUE(aIndex, mNumCols);
+ return mData.ObjectAt(aIndex)->GetAsInt32(_value);
+}
+
+NS_IMETHODIMP
+Row::GetInt64(uint32_t aIndex,
+ int64_t *_value)
+{
+ ENSURE_INDEX_VALUE(aIndex, mNumCols);
+ return mData.ObjectAt(aIndex)->GetAsInt64(_value);
+}
+
+NS_IMETHODIMP
+Row::GetDouble(uint32_t aIndex,
+ double *_value)
+{
+ ENSURE_INDEX_VALUE(aIndex, mNumCols);
+ return mData.ObjectAt(aIndex)->GetAsDouble(_value);
+}
+
+NS_IMETHODIMP
+Row::GetUTF8String(uint32_t aIndex,
+ nsACString &_value)
+{
+ ENSURE_INDEX_VALUE(aIndex, mNumCols);
+ return mData.ObjectAt(aIndex)->GetAsAUTF8String(_value);
+}
+
+NS_IMETHODIMP
+Row::GetString(uint32_t aIndex,
+ nsAString &_value)
+{
+ ENSURE_INDEX_VALUE(aIndex, mNumCols);
+ return mData.ObjectAt(aIndex)->GetAsAString(_value);
+}
+
+NS_IMETHODIMP
+Row::GetBlob(uint32_t aIndex,
+ uint32_t *_size,
+ uint8_t **_blob)
+{
+ ENSURE_INDEX_VALUE(aIndex, mNumCols);
+
+ uint16_t type;
+ nsIID interfaceIID;
+ return mData.ObjectAt(aIndex)->GetAsArray(&type, &interfaceIID, _size,
+ reinterpret_cast<void **>(_blob));
+}
+
+NS_IMETHODIMP
+Row::GetBlobAsString(uint32_t aIndex, nsAString& aValue)
+{
+ return DoGetBlobAsString(this, aIndex, aValue);
+}
+
+NS_IMETHODIMP
+Row::GetBlobAsUTF8String(uint32_t aIndex, nsACString& aValue)
+{
+ return DoGetBlobAsString(this, aIndex, aValue);
+}
+
+NS_IMETHODIMP
+Row::GetIsNull(uint32_t aIndex,
+ bool *_isNull)
+{
+ ENSURE_INDEX_VALUE(aIndex, mNumCols);
+ NS_ENSURE_ARG_POINTER(_isNull);
+
+ uint16_t type;
+ (void)mData.ObjectAt(aIndex)->GetDataType(&type);
+ *_isNull = type == nsIDataType::VTYPE_EMPTY;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+Row::GetSharedUTF8String(uint32_t,
+ uint32_t *,
+ char const **)
+{
+ return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+NS_IMETHODIMP
+Row::GetSharedString(uint32_t,
+ uint32_t *,
+ const char16_t **)
+{
+ return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+NS_IMETHODIMP
+Row::GetSharedBlob(uint32_t,
+ uint32_t *,
+ const uint8_t **)
+{
+ return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+} // namespace storage
+} // namespace mozilla