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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 "nsError.h"
#include "nsMemory.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