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/* -*- 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 "mozStorageRow.h"
#include "nsString.h"
#include "sqlite3.h"
#include "mozStoragePrivateHelpers.h"
#include "Variant.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: {
const char16_t* value = static_cast<const char16_t*>(
::sqlite3_column_text16(aStatement, i));
nsDependentString str(
value, ::sqlite3_column_bytes16(aStatement, i) / sizeof(char16_t));
variant = new TextVariant(str);
break;
}
case SQLITE_NULL:
variant = new NullVariant();
break;
case SQLITE_BLOB: {
const void* data = ::sqlite3_column_blob(aStatement, i);
int size = ::sqlite3_column_bytes(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.InsertOrUpdate(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 = mData.ObjectAt(aIndex)->GetDataType();
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 = mData.ObjectAt(aIndex)->GetDataType();
*_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