mirror of
https://github.com/mozilla/gecko-dev.git
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a8939590de
The bulk of this commit was generated by running:
run-clang-tidy.py \
-checks='-*,llvm-namespace-comment' \
-header-filter=^/.../mozilla-central/.* \
-fix
540 lines
15 KiB
C++
540 lines
15 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 <limits.h>
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#include "nsString.h"
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#include "mozStorageError.h"
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#include "mozStoragePrivateHelpers.h"
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#include "mozStorageBindingParams.h"
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#include "mozStorageBindingParamsArray.h"
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#include "Variant.h"
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namespace mozilla {
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namespace storage {
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////////////////////////////////////////////////////////////////////////////////
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//// Local Helper Objects
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namespace {
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struct BindingColumnData
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{
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BindingColumnData(sqlite3_stmt *aStmt,
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int aColumn)
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: stmt(aStmt)
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, column(aColumn)
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{
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}
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sqlite3_stmt *stmt;
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int column;
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};
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////////////////////////////////////////////////////////////////////////////////
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//// Variant Specialization Functions (variantToSQLiteT)
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int
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sqlite3_T_int(BindingColumnData aData,
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int aValue)
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{
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return ::sqlite3_bind_int(aData.stmt, aData.column + 1, aValue);
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}
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int
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sqlite3_T_int64(BindingColumnData aData,
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sqlite3_int64 aValue)
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{
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return ::sqlite3_bind_int64(aData.stmt, aData.column + 1, aValue);
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}
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int
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sqlite3_T_double(BindingColumnData aData,
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double aValue)
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{
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return ::sqlite3_bind_double(aData.stmt, aData.column + 1, aValue);
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}
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int
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sqlite3_T_text(BindingColumnData aData,
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const nsCString& aValue)
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{
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return ::sqlite3_bind_text(aData.stmt,
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aData.column + 1,
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aValue.get(),
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aValue.Length(),
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SQLITE_TRANSIENT);
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}
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int
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sqlite3_T_text16(BindingColumnData aData,
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const nsString& aValue)
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{
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return ::sqlite3_bind_text16(aData.stmt,
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aData.column + 1,
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aValue.get(),
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aValue.Length() * 2, // Length in bytes!
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SQLITE_TRANSIENT);
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}
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int
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sqlite3_T_null(BindingColumnData aData)
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{
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return ::sqlite3_bind_null(aData.stmt, aData.column + 1);
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}
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int
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sqlite3_T_blob(BindingColumnData aData,
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const void *aBlob,
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int aSize)
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{
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return ::sqlite3_bind_blob(aData.stmt, aData.column + 1, aBlob, aSize,
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free);
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}
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#include "variantToSQLiteT_impl.h"
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} // namespace
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////////////////////////////////////////////////////////////////////////////////
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//// BindingParams
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BindingParams::BindingParams(mozIStorageBindingParamsArray *aOwningArray,
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Statement *aOwningStatement)
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: mLocked(false)
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, mOwningArray(aOwningArray)
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, mOwningStatement(aOwningStatement)
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{
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(void)mOwningStatement->GetParameterCount(&mParamCount);
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(void)mParameters.SetCapacity(mParamCount);
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}
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BindingParams::BindingParams(mozIStorageBindingParamsArray *aOwningArray)
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: mLocked(false)
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, mOwningArray(aOwningArray)
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, mOwningStatement(nullptr)
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, mParamCount(0)
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{
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}
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AsyncBindingParams::AsyncBindingParams(
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mozIStorageBindingParamsArray *aOwningArray
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)
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: BindingParams(aOwningArray)
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{
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}
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void
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BindingParams::lock()
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{
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NS_ASSERTION(mLocked == false, "Parameters have already been locked!");
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mLocked = true;
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// We no longer need to hold a reference to our statement or our owning array.
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// The array owns us at this point, and it will own a reference to the
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// statement.
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mOwningStatement = nullptr;
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mOwningArray = nullptr;
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}
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void
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BindingParams::unlock(Statement *aOwningStatement)
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{
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NS_ASSERTION(mLocked == true, "Parameters were not yet locked!");
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mLocked = false;
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mOwningStatement = aOwningStatement;
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}
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const mozIStorageBindingParamsArray *
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BindingParams::getOwner() const
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{
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return mOwningArray;
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}
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PLDHashOperator
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AsyncBindingParams::iterateOverNamedParameters(const nsACString &aName,
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nsIVariant *aValue,
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void *voidClosureThunk)
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{
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NamedParameterIterationClosureThunk *closureThunk =
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static_cast<NamedParameterIterationClosureThunk *>(voidClosureThunk);
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// We do not accept any forms of names other than ":name", but we need to add
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// the colon for SQLite.
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nsAutoCString name(":");
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name.Append(aName);
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int oneIdx = ::sqlite3_bind_parameter_index(closureThunk->statement,
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name.get());
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if (oneIdx == 0) {
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nsAutoCString errMsg(aName);
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errMsg.AppendLiteral(" is not a valid named parameter.");
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closureThunk->err = new Error(SQLITE_RANGE, errMsg.get());
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return PL_DHASH_STOP;
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}
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// XPCVariant's AddRef and Release are not thread-safe and so we must not do
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// anything that would invoke them here on the async thread. As such we can't
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// cram aValue into self->mParameters using ReplaceObjectAt so that we can
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// freeload off of the BindingParams::Bind implementation.
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int rc = variantToSQLiteT(BindingColumnData(closureThunk->statement,
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oneIdx - 1),
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aValue);
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if (rc != SQLITE_OK) {
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// We had an error while trying to bind. Now we need to create an error
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// object with the right message. Note that we special case
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// SQLITE_MISMATCH, but otherwise get the message from SQLite.
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const char *msg = "Could not covert nsIVariant to SQLite type.";
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if (rc != SQLITE_MISMATCH)
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msg = ::sqlite3_errmsg(::sqlite3_db_handle(closureThunk->statement));
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closureThunk->err = new Error(rc, msg);
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return PL_DHASH_STOP;
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}
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return PL_DHASH_NEXT;
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}
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////////////////////////////////////////////////////////////////////////////////
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//// nsISupports
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NS_IMPL_ISUPPORTS(
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BindingParams
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, mozIStorageBindingParams
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, IStorageBindingParamsInternal
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)
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////////////////////////////////////////////////////////////////////////////////
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//// IStorageBindingParamsInternal
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already_AddRefed<mozIStorageError>
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BindingParams::bind(sqlite3_stmt *aStatement)
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{
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// Iterate through all of our stored data, and bind it.
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for (size_t i = 0; i < mParameters.Length(); i++) {
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int rc = variantToSQLiteT(BindingColumnData(aStatement, i), mParameters[i]);
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if (rc != SQLITE_OK) {
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// We had an error while trying to bind. Now we need to create an error
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// object with the right message. Note that we special case
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// SQLITE_MISMATCH, but otherwise get the message from SQLite.
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const char *msg = "Could not covert nsIVariant to SQLite type.";
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if (rc != SQLITE_MISMATCH)
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msg = ::sqlite3_errmsg(::sqlite3_db_handle(aStatement));
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nsCOMPtr<mozIStorageError> err(new Error(rc, msg));
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return err.forget();
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}
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}
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return nullptr;
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}
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already_AddRefed<mozIStorageError>
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AsyncBindingParams::bind(sqlite3_stmt * aStatement)
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{
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// We should bind by index using the super-class if there is nothing in our
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// hashtable.
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if (!mNamedParameters.Count())
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return BindingParams::bind(aStatement);
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// Enumerate over everyone in the map, propagating them into mParameters if
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// we can and creating an error immediately when we cannot.
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NamedParameterIterationClosureThunk closureThunk = {this, aStatement, nullptr};
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(void)mNamedParameters.EnumerateRead(iterateOverNamedParameters,
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(void *)&closureThunk);
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return closureThunk.err.forget();
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}
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///////////////////////////////////////////////////////////////////////////////
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//// mozIStorageBindingParams
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NS_IMETHODIMP
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BindingParams::BindByName(const nsACString &aName,
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nsIVariant *aValue)
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{
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NS_ENSURE_FALSE(mLocked, NS_ERROR_UNEXPECTED);
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// Get the column index that we need to store this at.
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uint32_t index;
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nsresult rv = mOwningStatement->GetParameterIndex(aName, &index);
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NS_ENSURE_SUCCESS(rv, rv);
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return BindByIndex(index, aValue);
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}
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NS_IMETHODIMP
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AsyncBindingParams::BindByName(const nsACString &aName,
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nsIVariant *aValue)
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{
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NS_ENSURE_FALSE(mLocked, NS_ERROR_UNEXPECTED);
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nsRefPtr<Variant_base> variant = convertVariantToStorageVariant(aValue);
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if (!variant)
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return NS_ERROR_UNEXPECTED;
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mNamedParameters.Put(aName, variant);
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return NS_OK;
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}
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NS_IMETHODIMP
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BindingParams::BindUTF8StringByName(const nsACString &aName,
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const nsACString &aValue)
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{
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nsCOMPtr<nsIVariant> value(new UTF8TextVariant(aValue));
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NS_ENSURE_TRUE(value, NS_ERROR_OUT_OF_MEMORY);
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return BindByName(aName, value);
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}
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NS_IMETHODIMP
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BindingParams::BindStringByName(const nsACString &aName,
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const nsAString &aValue)
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{
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nsCOMPtr<nsIVariant> value(new TextVariant(aValue));
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NS_ENSURE_TRUE(value, NS_ERROR_OUT_OF_MEMORY);
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return BindByName(aName, value);
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}
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NS_IMETHODIMP
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BindingParams::BindDoubleByName(const nsACString &aName,
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double aValue)
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{
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nsCOMPtr<nsIVariant> value(new FloatVariant(aValue));
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NS_ENSURE_TRUE(value, NS_ERROR_OUT_OF_MEMORY);
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return BindByName(aName, value);
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}
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NS_IMETHODIMP
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BindingParams::BindInt32ByName(const nsACString &aName,
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int32_t aValue)
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{
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nsCOMPtr<nsIVariant> value(new IntegerVariant(aValue));
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NS_ENSURE_TRUE(value, NS_ERROR_OUT_OF_MEMORY);
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return BindByName(aName, value);
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}
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NS_IMETHODIMP
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BindingParams::BindInt64ByName(const nsACString &aName,
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int64_t aValue)
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{
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nsCOMPtr<nsIVariant> value(new IntegerVariant(aValue));
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NS_ENSURE_TRUE(value, NS_ERROR_OUT_OF_MEMORY);
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return BindByName(aName, value);
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}
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NS_IMETHODIMP
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BindingParams::BindNullByName(const nsACString &aName)
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{
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nsCOMPtr<nsIVariant> value(new NullVariant());
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NS_ENSURE_TRUE(value, NS_ERROR_OUT_OF_MEMORY);
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return BindByName(aName, value);
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}
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NS_IMETHODIMP
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BindingParams::BindBlobByName(const nsACString &aName,
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const uint8_t *aValue,
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uint32_t aValueSize)
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{
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NS_ENSURE_ARG_MAX(aValueSize, INT_MAX);
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std::pair<const void *, int> data(
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static_cast<const void *>(aValue),
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int(aValueSize)
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);
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nsCOMPtr<nsIVariant> value(new BlobVariant(data));
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NS_ENSURE_TRUE(value, NS_ERROR_OUT_OF_MEMORY);
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return BindByName(aName, value);
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}
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NS_IMETHODIMP
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BindingParams::BindStringAsBlobByName(const nsACString& aName,
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const nsAString& aValue)
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{
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return DoBindStringAsBlobByName(this, aName, aValue);
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}
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NS_IMETHODIMP
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BindingParams::BindUTF8StringAsBlobByName(const nsACString& aName,
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const nsACString& aValue)
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{
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return DoBindStringAsBlobByName(this, aName, aValue);
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}
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NS_IMETHODIMP
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BindingParams::BindAdoptedBlobByName(const nsACString &aName,
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uint8_t *aValue,
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uint32_t aValueSize)
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{
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NS_ENSURE_ARG_MAX(aValueSize, INT_MAX);
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std::pair<uint8_t *, int> data(
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aValue,
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int(aValueSize)
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);
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nsCOMPtr<nsIVariant> value(new AdoptedBlobVariant(data));
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return BindByName(aName, value);
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}
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NS_IMETHODIMP
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BindingParams::BindByIndex(uint32_t aIndex,
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nsIVariant *aValue)
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{
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NS_ENSURE_FALSE(mLocked, NS_ERROR_UNEXPECTED);
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ENSURE_INDEX_VALUE(aIndex, mParamCount);
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// Store the variant for later use.
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nsRefPtr<Variant_base> variant = convertVariantToStorageVariant(aValue);
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if (!variant)
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return NS_ERROR_UNEXPECTED;
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if (mParameters.Length() <= aIndex) {
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(void)mParameters.SetLength(aIndex);
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(void)mParameters.AppendElement(variant);
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}
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else {
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NS_ENSURE_TRUE(mParameters.ReplaceElementAt(aIndex, variant),
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NS_ERROR_OUT_OF_MEMORY);
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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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AsyncBindingParams::BindByIndex(uint32_t aIndex,
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nsIVariant *aValue)
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{
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NS_ENSURE_FALSE(mLocked, NS_ERROR_UNEXPECTED);
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// In the asynchronous case we do not know how many parameters there are to
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// bind to, so we cannot check the validity of aIndex.
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nsRefPtr<Variant_base> variant = convertVariantToStorageVariant(aValue);
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if (!variant)
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return NS_ERROR_UNEXPECTED;
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if (mParameters.Length() <= aIndex) {
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mParameters.SetLength(aIndex);
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mParameters.AppendElement(variant);
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}
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else {
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NS_ENSURE_TRUE(mParameters.ReplaceElementAt(aIndex, variant),
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NS_ERROR_OUT_OF_MEMORY);
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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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BindingParams::BindUTF8StringByIndex(uint32_t aIndex,
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const nsACString &aValue)
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{
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nsCOMPtr<nsIVariant> value(new UTF8TextVariant(aValue));
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NS_ENSURE_TRUE(value, NS_ERROR_OUT_OF_MEMORY);
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return BindByIndex(aIndex, value);
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}
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NS_IMETHODIMP
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BindingParams::BindStringByIndex(uint32_t aIndex,
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const nsAString &aValue)
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{
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nsCOMPtr<nsIVariant> value(new TextVariant(aValue));
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NS_ENSURE_TRUE(value, NS_ERROR_OUT_OF_MEMORY);
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return BindByIndex(aIndex, value);
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}
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NS_IMETHODIMP
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BindingParams::BindDoubleByIndex(uint32_t aIndex,
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double aValue)
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{
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nsCOMPtr<nsIVariant> value(new FloatVariant(aValue));
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NS_ENSURE_TRUE(value, NS_ERROR_OUT_OF_MEMORY);
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return BindByIndex(aIndex, value);
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}
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NS_IMETHODIMP
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BindingParams::BindInt32ByIndex(uint32_t aIndex,
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int32_t aValue)
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{
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nsCOMPtr<nsIVariant> value(new IntegerVariant(aValue));
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NS_ENSURE_TRUE(value, NS_ERROR_OUT_OF_MEMORY);
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return BindByIndex(aIndex, value);
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}
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NS_IMETHODIMP
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BindingParams::BindInt64ByIndex(uint32_t aIndex,
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int64_t aValue)
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{
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nsCOMPtr<nsIVariant> value(new IntegerVariant(aValue));
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NS_ENSURE_TRUE(value, NS_ERROR_OUT_OF_MEMORY);
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return BindByIndex(aIndex, value);
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}
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NS_IMETHODIMP
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BindingParams::BindNullByIndex(uint32_t aIndex)
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{
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nsCOMPtr<nsIVariant> value(new NullVariant());
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NS_ENSURE_TRUE(value, NS_ERROR_OUT_OF_MEMORY);
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return BindByIndex(aIndex, value);
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}
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NS_IMETHODIMP
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BindingParams::BindBlobByIndex(uint32_t aIndex,
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const uint8_t *aValue,
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uint32_t aValueSize)
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{
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NS_ENSURE_ARG_MAX(aValueSize, INT_MAX);
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std::pair<const void *, int> data(
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static_cast<const void *>(aValue),
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int(aValueSize)
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);
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nsCOMPtr<nsIVariant> value(new BlobVariant(data));
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NS_ENSURE_TRUE(value, NS_ERROR_OUT_OF_MEMORY);
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return BindByIndex(aIndex, value);
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}
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NS_IMETHODIMP
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BindingParams::BindStringAsBlobByIndex(uint32_t aIndex, const nsAString& aValue)
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{
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return DoBindStringAsBlobByIndex(this, aIndex, aValue);
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}
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NS_IMETHODIMP
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BindingParams::BindUTF8StringAsBlobByIndex(uint32_t aIndex,
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const nsACString& aValue)
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{
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return DoBindStringAsBlobByIndex(this, aIndex, aValue);
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}
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NS_IMETHODIMP
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BindingParams::BindAdoptedBlobByIndex(uint32_t aIndex,
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uint8_t *aValue,
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uint32_t aValueSize)
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{
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NS_ENSURE_ARG_MAX(aValueSize, INT_MAX);
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std::pair<uint8_t *, int> data(
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static_cast<uint8_t *>(aValue),
|
|
int(aValueSize)
|
|
);
|
|
nsCOMPtr<nsIVariant> value(new AdoptedBlobVariant(data));
|
|
|
|
return BindByIndex(aIndex, value);
|
|
}
|
|
|
|
} // namespace storage
|
|
} // namespace mozilla
|