summaryrefslogtreecommitdiffstats
path: root/storage/mozStorageStatementRow.cpp
diff options
context:
space:
mode:
authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /storage/mozStorageStatementRow.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
downloadUXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.lz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.xz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.zip
Add m-esr52 at 52.6.0
Diffstat (limited to 'storage/mozStorageStatementRow.cpp')
-rw-r--r--storage/mozStorageStatementRow.cpp157
1 files changed, 157 insertions, 0 deletions
diff --git a/storage/mozStorageStatementRow.cpp b/storage/mozStorageStatementRow.cpp
new file mode 100644
index 000000000..6ace04bbf
--- /dev/null
+++ b/storage/mozStorageStatementRow.cpp
@@ -0,0 +1,157 @@
+/* -*- 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 "nsMemory.h"
+#include "nsString.h"
+
+#include "mozStorageStatementRow.h"
+#include "mozStorageStatement.h"
+
+#include "jsapi.h"
+
+#include "xpc_make_class.h"
+
+namespace mozilla {
+namespace storage {
+
+////////////////////////////////////////////////////////////////////////////////
+//// StatementRow
+
+StatementRow::StatementRow(Statement *aStatement)
+: mStatement(aStatement)
+{
+}
+
+NS_IMPL_ISUPPORTS(
+ StatementRow,
+ mozIStorageStatementRow,
+ nsIXPCScriptable
+)
+
+////////////////////////////////////////////////////////////////////////////////
+//// nsIXPCScriptable
+
+#define XPC_MAP_CLASSNAME StatementRow
+#define XPC_MAP_QUOTED_CLASSNAME "StatementRow"
+#define XPC_MAP_WANT_GETPROPERTY
+#define XPC_MAP_WANT_RESOLVE
+#define XPC_MAP_FLAGS nsIXPCScriptable::ALLOW_PROP_MODS_DURING_RESOLVE
+#include "xpc_map_end.h"
+
+NS_IMETHODIMP
+StatementRow::GetProperty(nsIXPConnectWrappedNative *aWrapper,
+ JSContext *aCtx,
+ JSObject *aScopeObj,
+ jsid aId,
+ JS::Value *_vp,
+ bool *_retval)
+{
+ NS_ENSURE_TRUE(mStatement, NS_ERROR_NOT_INITIALIZED);
+
+ JS::RootedObject scope(aCtx, aScopeObj);
+ if (JSID_IS_STRING(aId)) {
+ ::JSAutoByteString idBytes(aCtx, JSID_TO_STRING(aId));
+ NS_ENSURE_TRUE(!!idBytes, NS_ERROR_OUT_OF_MEMORY);
+ nsDependentCString jsid(idBytes.ptr());
+
+ uint32_t idx;
+ nsresult rv = mStatement->GetColumnIndex(jsid, &idx);
+ NS_ENSURE_SUCCESS(rv, rv);
+ int32_t type;
+ rv = mStatement->GetTypeOfIndex(idx, &type);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ if (type == mozIStorageValueArray::VALUE_TYPE_INTEGER ||
+ type == mozIStorageValueArray::VALUE_TYPE_FLOAT) {
+ double dval;
+ rv = mStatement->GetDouble(idx, &dval);
+ NS_ENSURE_SUCCESS(rv, rv);
+ *_vp = ::JS_NumberValue(dval);
+ }
+ else if (type == mozIStorageValueArray::VALUE_TYPE_TEXT) {
+ uint32_t bytes;
+ const char16_t *sval = reinterpret_cast<const char16_t *>(
+ static_cast<mozIStorageStatement *>(mStatement)->
+ AsSharedWString(idx, &bytes)
+ );
+ JSString *str = ::JS_NewUCStringCopyN(aCtx, sval, bytes / 2);
+ if (!str) {
+ *_retval = false;
+ return NS_OK;
+ }
+ _vp->setString(str);
+ }
+ else if (type == mozIStorageValueArray::VALUE_TYPE_BLOB) {
+ uint32_t length;
+ const uint8_t *blob = static_cast<mozIStorageStatement *>(mStatement)->
+ AsSharedBlob(idx, &length);
+ JSObject *obj = ::JS_NewArrayObject(aCtx, length);
+ if (!obj) {
+ *_retval = false;
+ return NS_OK;
+ }
+ _vp->setObject(*obj);
+
+ // Copy the blob over to the JS array.
+ for (uint32_t i = 0; i < length; i++) {
+ if (!::JS_DefineElement(aCtx, scope, i, blob[i], JSPROP_ENUMERATE)) {
+ *_retval = false;
+ return NS_OK;
+ }
+ }
+ }
+ else if (type == mozIStorageValueArray::VALUE_TYPE_NULL) {
+ _vp->setNull();
+ }
+ else {
+ NS_ERROR("unknown column type returned, what's going on?");
+ }
+ }
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+StatementRow::Resolve(nsIXPConnectWrappedNative *aWrapper,
+ JSContext *aCtx,
+ JSObject *aScopeObj,
+ jsid aId,
+ bool *aResolvedp,
+ bool *_retval)
+{
+ JS::Rooted<JSObject*> scopeObj(aCtx, aScopeObj);
+
+ NS_ENSURE_TRUE(mStatement, NS_ERROR_NOT_INITIALIZED);
+ // We do not throw at any point after this because we want to allow the
+ // prototype chain to be checked for the property.
+
+ if (JSID_IS_STRING(aId)) {
+ ::JSAutoByteString idBytes(aCtx, JSID_TO_STRING(aId));
+ NS_ENSURE_TRUE(!!idBytes, NS_ERROR_OUT_OF_MEMORY);
+ nsDependentCString name(idBytes.ptr());
+
+ uint32_t idx;
+ nsresult rv = mStatement->GetColumnIndex(name, &idx);
+ if (NS_FAILED(rv)) {
+ // It's highly likely that the name doesn't exist, so let the JS engine
+ // check the prototype chain and throw if that doesn't have the property
+ // either.
+ *aResolvedp = false;
+ return NS_OK;
+ }
+
+ JS::Rooted<jsid> id(aCtx, aId);
+ *_retval = ::JS_DefinePropertyById(aCtx, scopeObj, id, JS::UndefinedHandleValue,
+ JSPROP_RESOLVING);
+ *aResolvedp = true;
+ return NS_OK;
+ }
+
+ return NS_OK;
+}
+
+} // namespace storage
+} // namespace mozilla