mirror of
https://github.com/classilla/tenfourfox.git
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248 lines
6.1 KiB
C++
248 lines
6.1 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* vim: sw=2 ts=2 et lcs=trail\:.,tab\:>~ :
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsString.h"
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#include "sqlite3.h"
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#include "mozStoragePrivateHelpers.h"
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#include "Variant.h"
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#include "mozStorageRow.h"
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namespace mozilla {
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namespace storage {
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////////////////////////////////////////////////////////////////////////////////
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//// Row
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nsresult
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Row::initialize(sqlite3_stmt *aStatement)
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{
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// Get the number of results
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mNumCols = ::sqlite3_column_count(aStatement);
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// Start copying over values
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for (uint32_t i = 0; i < mNumCols; i++) {
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// Store the value
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nsIVariant *variant = nullptr;
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int type = ::sqlite3_column_type(aStatement, i);
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switch (type) {
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case SQLITE_INTEGER:
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variant = new IntegerVariant(::sqlite3_column_int64(aStatement, i));
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break;
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case SQLITE_FLOAT:
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variant = new FloatVariant(::sqlite3_column_double(aStatement, i));
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break;
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case SQLITE_TEXT:
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{
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nsDependentString str(
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static_cast<const char16_t *>(::sqlite3_column_text16(aStatement, i))
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);
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variant = new TextVariant(str);
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break;
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}
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case SQLITE_NULL:
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variant = new NullVariant();
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break;
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case SQLITE_BLOB:
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{
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int size = ::sqlite3_column_bytes(aStatement, i);
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const void *data = ::sqlite3_column_blob(aStatement, i);
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variant = new BlobVariant(std::pair<const void *, int>(data, size));
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break;
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}
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default:
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return NS_ERROR_UNEXPECTED;
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}
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NS_ENSURE_TRUE(variant, NS_ERROR_OUT_OF_MEMORY);
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// Insert into our storage array
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NS_ENSURE_TRUE(mData.InsertObjectAt(variant, i), NS_ERROR_OUT_OF_MEMORY);
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// Associate the name (if any) with the index
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const char *name = ::sqlite3_column_name(aStatement, i);
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if (!name) break;
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nsAutoCString colName(name);
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mNameHashtable.Put(colName, i);
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}
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return NS_OK;
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}
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/**
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* Note: This object is only ever accessed on one thread at a time. It it not
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* threadsafe, but it does need threadsafe AddRef and Release.
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*/
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NS_IMPL_ISUPPORTS(
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Row,
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mozIStorageRow,
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mozIStorageValueArray
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)
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////////////////////////////////////////////////////////////////////////////////
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//// mozIStorageRow
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NS_IMETHODIMP
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Row::GetResultByIndex(uint32_t aIndex,
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nsIVariant **_result)
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{
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ENSURE_INDEX_VALUE(aIndex, mNumCols);
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NS_ADDREF(*_result = mData.ObjectAt(aIndex));
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return NS_OK;
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}
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NS_IMETHODIMP
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Row::GetResultByName(const nsACString &aName,
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nsIVariant **_result)
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{
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uint32_t index;
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NS_ENSURE_TRUE(mNameHashtable.Get(aName, &index), NS_ERROR_NOT_AVAILABLE);
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return GetResultByIndex(index, _result);
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}
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////////////////////////////////////////////////////////////////////////////////
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//// mozIStorageValueArray
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NS_IMETHODIMP
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Row::GetNumEntries(uint32_t *_entries)
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{
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*_entries = mNumCols;
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return NS_OK;
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}
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NS_IMETHODIMP
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Row::GetTypeOfIndex(uint32_t aIndex,
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int32_t *_type)
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{
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ENSURE_INDEX_VALUE(aIndex, mNumCols);
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uint16_t type;
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(void)mData.ObjectAt(aIndex)->GetDataType(&type);
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switch (type) {
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case nsIDataType::VTYPE_INT32:
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case nsIDataType::VTYPE_INT64:
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*_type = mozIStorageValueArray::VALUE_TYPE_INTEGER;
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break;
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case nsIDataType::VTYPE_DOUBLE:
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*_type = mozIStorageValueArray::VALUE_TYPE_FLOAT;
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break;
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case nsIDataType::VTYPE_ASTRING:
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*_type = mozIStorageValueArray::VALUE_TYPE_TEXT;
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break;
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case nsIDataType::VTYPE_ARRAY:
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*_type = mozIStorageValueArray::VALUE_TYPE_BLOB;
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break;
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default:
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*_type = mozIStorageValueArray::VALUE_TYPE_NULL;
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break;
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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Row::GetInt32(uint32_t aIndex,
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int32_t *_value)
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{
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ENSURE_INDEX_VALUE(aIndex, mNumCols);
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return mData.ObjectAt(aIndex)->GetAsInt32(_value);
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}
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NS_IMETHODIMP
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Row::GetInt64(uint32_t aIndex,
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int64_t *_value)
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{
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ENSURE_INDEX_VALUE(aIndex, mNumCols);
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return mData.ObjectAt(aIndex)->GetAsInt64(_value);
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}
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NS_IMETHODIMP
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Row::GetDouble(uint32_t aIndex,
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double *_value)
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{
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ENSURE_INDEX_VALUE(aIndex, mNumCols);
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return mData.ObjectAt(aIndex)->GetAsDouble(_value);
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}
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NS_IMETHODIMP
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Row::GetUTF8String(uint32_t aIndex,
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nsACString &_value)
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{
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ENSURE_INDEX_VALUE(aIndex, mNumCols);
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return mData.ObjectAt(aIndex)->GetAsAUTF8String(_value);
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}
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NS_IMETHODIMP
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Row::GetString(uint32_t aIndex,
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nsAString &_value)
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{
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ENSURE_INDEX_VALUE(aIndex, mNumCols);
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return mData.ObjectAt(aIndex)->GetAsAString(_value);
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}
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NS_IMETHODIMP
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Row::GetBlob(uint32_t aIndex,
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uint32_t *_size,
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uint8_t **_blob)
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{
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ENSURE_INDEX_VALUE(aIndex, mNumCols);
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uint16_t type;
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nsIID interfaceIID;
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return mData.ObjectAt(aIndex)->GetAsArray(&type, &interfaceIID, _size,
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reinterpret_cast<void **>(_blob));
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}
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NS_IMETHODIMP
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Row::GetBlobAsString(uint32_t aIndex, nsAString& aValue)
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{
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return DoGetBlobAsString(this, aIndex, aValue);
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}
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NS_IMETHODIMP
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Row::GetBlobAsUTF8String(uint32_t aIndex, nsACString& aValue)
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{
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return DoGetBlobAsString(this, aIndex, aValue);
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}
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NS_IMETHODIMP
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Row::GetIsNull(uint32_t aIndex,
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bool *_isNull)
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{
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ENSURE_INDEX_VALUE(aIndex, mNumCols);
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NS_ENSURE_ARG_POINTER(_isNull);
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uint16_t type;
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(void)mData.ObjectAt(aIndex)->GetDataType(&type);
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*_isNull = type == nsIDataType::VTYPE_EMPTY;
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return NS_OK;
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}
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NS_IMETHODIMP
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Row::GetSharedUTF8String(uint32_t,
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uint32_t *,
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char const **)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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Row::GetSharedString(uint32_t,
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uint32_t *,
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const char16_t **)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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Row::GetSharedBlob(uint32_t,
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uint32_t *,
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const uint8_t **)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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} // namespace storage
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} // namespace mozilla
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