Add m-esr52 at 52.6.0

1 files changed, 525 insertions, 0 deletions

diff --git a/storage/mozStorageBindingParams.cpp b/storage/mozStorageBindingParams.cpp
new file mode 100644
index 0000000000..98e1144201
--- /dev/null
+++ b/storage/mozStorageBindingParams.cpp
@@ -0,0 +1,525 @@
+/* -*- 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 <limits.h>
+
+#include "mozilla/UniquePtrExtensions.h"
+#include "nsString.h"
+
+#include "mozStorageError.h"
+#include "mozStoragePrivateHelpers.h"
+#include "mozStorageBindingParams.h"
+#include "mozStorageBindingParamsArray.h"
+#include "Variant.h"
+
+namespace mozilla {
+namespace storage {
+
+////////////////////////////////////////////////////////////////////////////////
+//// Local Helper Objects
+
+namespace {
+
+struct BindingColumnData
+{
+  BindingColumnData(sqlite3_stmt *aStmt,
+                    int aColumn)
+  : stmt(aStmt)
+  , column(aColumn)
+  {
+  }
+  sqlite3_stmt *stmt;
+  int column;
+};
+
+////////////////////////////////////////////////////////////////////////////////
+//// Variant Specialization Functions (variantToSQLiteT)
+
+int
+sqlite3_T_int(BindingColumnData aData,
+              int aValue)
+{
+  return ::sqlite3_bind_int(aData.stmt, aData.column + 1, aValue);
+}
+
+int
+sqlite3_T_int64(BindingColumnData aData,
+                sqlite3_int64 aValue)
+{
+  return ::sqlite3_bind_int64(aData.stmt, aData.column + 1, aValue);
+}
+
+int
+sqlite3_T_double(BindingColumnData aData,
+                 double aValue)
+{
+  return ::sqlite3_bind_double(aData.stmt, aData.column + 1, aValue);
+}
+
+int
+sqlite3_T_text(BindingColumnData aData,
+               const nsCString& aValue)
+{
+  return ::sqlite3_bind_text(aData.stmt,
+                             aData.column + 1,
+                             aValue.get(),
+                             aValue.Length(),
+                             SQLITE_TRANSIENT);
+}
+
+int
+sqlite3_T_text16(BindingColumnData aData,
+                 const nsString& aValue)
+{
+  return ::sqlite3_bind_text16(aData.stmt,
+                               aData.column + 1,
+                               aValue.get(),
+                               aValue.Length() * 2, // Length in bytes!
+                               SQLITE_TRANSIENT);
+}
+
+int
+sqlite3_T_null(BindingColumnData aData)
+{
+  return ::sqlite3_bind_null(aData.stmt, aData.column + 1);
+}
+
+int
+sqlite3_T_blob(BindingColumnData aData,
+               const void *aBlob,
+               int aSize)
+{
+  return ::sqlite3_bind_blob(aData.stmt, aData.column + 1, aBlob, aSize,
+                             free);
+
+}
+
+#include "variantToSQLiteT_impl.h"
+
+} // namespace
+
+////////////////////////////////////////////////////////////////////////////////
+//// BindingParams
+
+BindingParams::BindingParams(mozIStorageBindingParamsArray *aOwningArray,
+                             Statement *aOwningStatement)
+: mLocked(false)
+, mOwningArray(aOwningArray)
+, mOwningStatement(aOwningStatement)
+, mParamCount(0)
+{
+  (void)mOwningStatement->GetParameterCount(&mParamCount);
+  mParameters.SetCapacity(mParamCount);
+}
+
+BindingParams::BindingParams(mozIStorageBindingParamsArray *aOwningArray)
+: mLocked(false)
+, mOwningArray(aOwningArray)
+, mOwningStatement(nullptr)
+, mParamCount(0)
+{
+}
+
+AsyncBindingParams::AsyncBindingParams(
+  mozIStorageBindingParamsArray *aOwningArray
+)
+: BindingParams(aOwningArray)
+{
+}
+
+void
+BindingParams::lock()
+{
+  NS_ASSERTION(mLocked == false, "Parameters have already been locked!");
+  mLocked = true;
+
+  // We no longer need to hold a reference to our statement or our owning array.
+  // The array owns us at this point, and it will own a reference to the
+  // statement.
+  mOwningStatement = nullptr;
+  mOwningArray = nullptr;
+}
+
+void
+BindingParams::unlock(Statement *aOwningStatement)
+{
+  NS_ASSERTION(mLocked == true, "Parameters were not yet locked!");
+  mLocked = false;
+  mOwningStatement = aOwningStatement;
+}
+
+const mozIStorageBindingParamsArray *
+BindingParams::getOwner() const
+{
+  return mOwningArray;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+//// nsISupports
+
+NS_IMPL_ISUPPORTS(
+  BindingParams
+, mozIStorageBindingParams
+, IStorageBindingParamsInternal
+)
+
+
+////////////////////////////////////////////////////////////////////////////////
+//// IStorageBindingParamsInternal
+
+already_AddRefed<mozIStorageError>
+BindingParams::bind(sqlite3_stmt *aStatement)
+{
+  // Iterate through all of our stored data, and bind it.
+  for (size_t i = 0; i < mParameters.Length(); i++) {
+    int rc = variantToSQLiteT(BindingColumnData(aStatement, i), mParameters[i]);
+    if (rc != SQLITE_OK) {
+      // We had an error while trying to bind.  Now we need to create an error
+      // object with the right message.  Note that we special case
+      // SQLITE_MISMATCH, but otherwise get the message from SQLite.
+      const char *msg = "Could not covert nsIVariant to SQLite type.";
+      if (rc != SQLITE_MISMATCH)
+        msg = ::sqlite3_errmsg(::sqlite3_db_handle(aStatement));
+
+      nsCOMPtr<mozIStorageError> err(new Error(rc, msg));
+      return err.forget();
+    }
+  }
+
+  return nullptr;
+}
+
+already_AddRefed<mozIStorageError>
+AsyncBindingParams::bind(sqlite3_stmt * aStatement)
+{
+  // We should bind by index using the super-class if there is nothing in our
+  // hashtable.
+  if (!mNamedParameters.Count())
+    return BindingParams::bind(aStatement);
+
+  nsCOMPtr<mozIStorageError> err;
+
+  for (auto iter = mNamedParameters.Iter(); !iter.Done(); iter.Next()) {
+    const nsACString &key = iter.Key();
+
+    // We do not accept any forms of names other than ":name", but we need to
+    // add the colon for SQLite.
+    nsAutoCString name(":");
+    name.Append(key);
+    int oneIdx = ::sqlite3_bind_parameter_index(aStatement, name.get());
+
+    if (oneIdx == 0) {
+      nsAutoCString errMsg(key);
+      errMsg.AppendLiteral(" is not a valid named parameter.");
+      err = new Error(SQLITE_RANGE, errMsg.get());
+      break;
+    }
+
+    // XPCVariant's AddRef and Release are not thread-safe and so we must not
+    // do anything that would invoke them here on the async thread.  As such we
+    // can't cram aValue into mParameters using ReplaceObjectAt so that
+    // we can freeload off of the BindingParams::Bind implementation.
+    int rc = variantToSQLiteT(BindingColumnData(aStatement, oneIdx - 1),
+                              iter.UserData());
+    if (rc != SQLITE_OK) {
+      // We had an error while trying to bind.  Now we need to create an error
+      // object with the right message.  Note that we special case
+      // SQLITE_MISMATCH, but otherwise get the message from SQLite.
+      const char *msg = "Could not covert nsIVariant to SQLite type.";
+      if (rc != SQLITE_MISMATCH) {
+        msg = ::sqlite3_errmsg(::sqlite3_db_handle(aStatement));
+      }
+      err = new Error(rc, msg);
+      break;
+    }
+  }
+
+  return err.forget();
+}
+
+
+///////////////////////////////////////////////////////////////////////////////
+//// mozIStorageBindingParams
+
+NS_IMETHODIMP
+BindingParams::BindByName(const nsACString &aName,
+                          nsIVariant *aValue)
+{
+  NS_ENSURE_FALSE(mLocked, NS_ERROR_UNEXPECTED);
+
+  // Get the column index that we need to store this at.
+  uint32_t index;
+  nsresult rv = mOwningStatement->GetParameterIndex(aName, &index);
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  return BindByIndex(index, aValue);
+}
+
+NS_IMETHODIMP
+AsyncBindingParams::BindByName(const nsACString &aName,
+                               nsIVariant *aValue)
+{
+  NS_ENSURE_FALSE(mLocked, NS_ERROR_UNEXPECTED);
+
+  RefPtr<Variant_base> variant = convertVariantToStorageVariant(aValue);
+  if (!variant)
+    return NS_ERROR_UNEXPECTED;
+
+  mNamedParameters.Put(aName, variant);
+  return NS_OK;
+}
+
+
+NS_IMETHODIMP
+BindingParams::BindUTF8StringByName(const nsACString &aName,
+                                    const nsACString &aValue)
+{
+  nsCOMPtr<nsIVariant> value(new UTF8TextVariant(aValue));
+  NS_ENSURE_TRUE(value, NS_ERROR_OUT_OF_MEMORY);
+
+  return BindByName(aName, value);
+}
+
+NS_IMETHODIMP
+BindingParams::BindStringByName(const nsACString &aName,
+                                const nsAString &aValue)
+{
+  nsCOMPtr<nsIVariant> value(new TextVariant(aValue));
+  NS_ENSURE_TRUE(value, NS_ERROR_OUT_OF_MEMORY);
+
+  return BindByName(aName, value);
+}
+
+NS_IMETHODIMP
+BindingParams::BindDoubleByName(const nsACString &aName,
+                                double aValue)
+{
+  nsCOMPtr<nsIVariant> value(new FloatVariant(aValue));
+  NS_ENSURE_TRUE(value, NS_ERROR_OUT_OF_MEMORY);
+
+  return BindByName(aName, value);
+}
+
+NS_IMETHODIMP
+BindingParams::BindInt32ByName(const nsACString &aName,
+                               int32_t aValue)
+{
+  nsCOMPtr<nsIVariant> value(new IntegerVariant(aValue));
+  NS_ENSURE_TRUE(value, NS_ERROR_OUT_OF_MEMORY);
+
+  return BindByName(aName, value);
+}
+
+NS_IMETHODIMP
+BindingParams::BindInt64ByName(const nsACString &aName,
+                               int64_t aValue)
+{
+  nsCOMPtr<nsIVariant> value(new IntegerVariant(aValue));
+  NS_ENSURE_TRUE(value, NS_ERROR_OUT_OF_MEMORY);
+
+  return BindByName(aName, value);
+}
+
+NS_IMETHODIMP
+BindingParams::BindNullByName(const nsACString &aName)
+{
+  nsCOMPtr<nsIVariant> value(new NullVariant());
+  NS_ENSURE_TRUE(value, NS_ERROR_OUT_OF_MEMORY);
+
+  return BindByName(aName, value);
+}
+
+NS_IMETHODIMP
+BindingParams::BindBlobByName(const nsACString &aName,
+                              const uint8_t *aValue,
+                              uint32_t aValueSize)
+{
+  NS_ENSURE_ARG_MAX(aValueSize, INT_MAX);
+  std::pair<const void *, int> data(
+    static_cast<const void *>(aValue),
+    int(aValueSize)
+  );
+  nsCOMPtr<nsIVariant> value(new BlobVariant(data));
+  NS_ENSURE_TRUE(value, NS_ERROR_OUT_OF_MEMORY);
+
+  return BindByName(aName, value);
+}
+
+NS_IMETHODIMP
+BindingParams::BindStringAsBlobByName(const nsACString& aName,
+                                      const nsAString& aValue)
+{
+  return DoBindStringAsBlobByName(this, aName, aValue);
+}
+
+NS_IMETHODIMP
+BindingParams::BindUTF8StringAsBlobByName(const nsACString& aName,
+                                          const nsACString& aValue)
+{
+  return DoBindStringAsBlobByName(this, aName, aValue);
+}
+
+
+NS_IMETHODIMP
+BindingParams::BindAdoptedBlobByName(const nsACString &aName,
+                                     uint8_t *aValue,
+                                     uint32_t aValueSize)
+{
+  UniqueFreePtr<uint8_t> uniqueValue(aValue);
+  NS_ENSURE_ARG_MAX(aValueSize, INT_MAX);
+  std::pair<uint8_t *, int> data(uniqueValue.release(), int(aValueSize));
+  nsCOMPtr<nsIVariant> value(new AdoptedBlobVariant(data));
+
+  return BindByName(aName, value);
+}
+
+NS_IMETHODIMP
+BindingParams::BindByIndex(uint32_t aIndex,
+                           nsIVariant *aValue)
+{
+  NS_ENSURE_FALSE(mLocked, NS_ERROR_UNEXPECTED);
+  ENSURE_INDEX_VALUE(aIndex, mParamCount);
+
+  // Store the variant for later use.
+  RefPtr<Variant_base> variant = convertVariantToStorageVariant(aValue);
+  if (!variant)
+    return NS_ERROR_UNEXPECTED;
+  if (mParameters.Length() <= aIndex) {
+    (void)mParameters.SetLength(aIndex);
+    (void)mParameters.AppendElement(variant);
+  }
+  else {
+    NS_ENSURE_TRUE(mParameters.ReplaceElementAt(aIndex, variant),
+                   NS_ERROR_OUT_OF_MEMORY);
+  }
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+AsyncBindingParams::BindByIndex(uint32_t aIndex,
+                                nsIVariant *aValue)
+{
+  NS_ENSURE_FALSE(mLocked, NS_ERROR_UNEXPECTED);
+  // In the asynchronous case we do not know how many parameters there are to
+  // bind to, so we cannot check the validity of aIndex.
+
+  RefPtr<Variant_base> variant = convertVariantToStorageVariant(aValue);
+  if (!variant)
+    return NS_ERROR_UNEXPECTED;
+  if (mParameters.Length() <= aIndex) {
+    mParameters.SetLength(aIndex);
+    mParameters.AppendElement(variant);
+  }
+  else {
+    NS_ENSURE_TRUE(mParameters.ReplaceElementAt(aIndex, variant),
+                   NS_ERROR_OUT_OF_MEMORY);
+  }
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+BindingParams::BindUTF8StringByIndex(uint32_t aIndex,
+                                     const nsACString &aValue)
+{
+  nsCOMPtr<nsIVariant> value(new UTF8TextVariant(aValue));
+  NS_ENSURE_TRUE(value, NS_ERROR_OUT_OF_MEMORY);
+
+  return BindByIndex(aIndex, value);
+}
+
+NS_IMETHODIMP
+BindingParams::BindStringByIndex(uint32_t aIndex,
+                                 const nsAString &aValue)
+{
+  nsCOMPtr<nsIVariant> value(new TextVariant(aValue));
+  NS_ENSURE_TRUE(value, NS_ERROR_OUT_OF_MEMORY);
+
+  return BindByIndex(aIndex, value);
+}
+
+NS_IMETHODIMP
+BindingParams::BindDoubleByIndex(uint32_t aIndex,
+                                 double aValue)
+{
+  nsCOMPtr<nsIVariant> value(new FloatVariant(aValue));
+  NS_ENSURE_TRUE(value, NS_ERROR_OUT_OF_MEMORY);
+
+  return BindByIndex(aIndex, value);
+}
+
+NS_IMETHODIMP
+BindingParams::BindInt32ByIndex(uint32_t aIndex,
+                                int32_t aValue)
+{
+  nsCOMPtr<nsIVariant> value(new IntegerVariant(aValue));
+  NS_ENSURE_TRUE(value, NS_ERROR_OUT_OF_MEMORY);
+
+  return BindByIndex(aIndex, value);
+}
+
+NS_IMETHODIMP
+BindingParams::BindInt64ByIndex(uint32_t aIndex,
+                                int64_t aValue)
+{
+  nsCOMPtr<nsIVariant> value(new IntegerVariant(aValue));
+  NS_ENSURE_TRUE(value, NS_ERROR_OUT_OF_MEMORY);
+
+  return BindByIndex(aIndex, value);
+}
+
+NS_IMETHODIMP
+BindingParams::BindNullByIndex(uint32_t aIndex)
+{
+  nsCOMPtr<nsIVariant> value(new NullVariant());
+  NS_ENSURE_TRUE(value, NS_ERROR_OUT_OF_MEMORY);
+
+  return BindByIndex(aIndex, value);
+}
+
+NS_IMETHODIMP
+BindingParams::BindBlobByIndex(uint32_t aIndex,
+                               const uint8_t *aValue,
+                               uint32_t aValueSize)
+{
+  NS_ENSURE_ARG_MAX(aValueSize, INT_MAX);
+  std::pair<const void *, int> data(
+    static_cast<const void *>(aValue),
+    int(aValueSize)
+  );
+  nsCOMPtr<nsIVariant> value(new BlobVariant(data));
+  NS_ENSURE_TRUE(value, NS_ERROR_OUT_OF_MEMORY);
+
+  return BindByIndex(aIndex, value);
+}
+
+NS_IMETHODIMP
+BindingParams::BindStringAsBlobByIndex(uint32_t aIndex, const nsAString& aValue)
+{
+  return DoBindStringAsBlobByIndex(this, aIndex, aValue);
+}
+
+NS_IMETHODIMP
+BindingParams::BindUTF8StringAsBlobByIndex(uint32_t aIndex,
+                                           const nsACString& aValue)
+{
+  return DoBindStringAsBlobByIndex(this, aIndex, aValue);
+}
+
+NS_IMETHODIMP
+BindingParams::BindAdoptedBlobByIndex(uint32_t aIndex,
+                                      uint8_t *aValue,
+                                      uint32_t aValueSize)
+{
+  UniqueFreePtr<uint8_t> uniqueValue(aValue);
+  NS_ENSURE_ARG_MAX(aValueSize, INT_MAX);
+  std::pair<uint8_t *, int> data(uniqueValue.release(), int(aValueSize));
+  nsCOMPtr<nsIVariant> value(new AdoptedBlobVariant(data));
+
+  return BindByIndex(aIndex, value);
+}
+
+} // namespace storage
+} // namespace mozilla