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Move JSC object accessor code into header

This commit is contained in:
Scott Kyle 2016-04-15 16:10:25 -07:00
parent 133289ad85
commit 2641e5a2a1
3 changed files with 69 additions and 94 deletions
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4
src/ios/RealmJS.xcodeproj/project.pbxproj
View File

@ -51,7 +51,6 @@
F60102E01CBB96D900EC01BA /* realm_coordinator.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 02F59EDB1C88F2BA007F774C /* realm_coordinator.cpp */; };
F60102E11CBB96DD00EC01BA /* transact_log_handler.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 02F59EDD1C88F2BB007F774C /* transact_log_handler.cpp */; };
F60102E51CBBB19700EC01BA /* node_object_accessor.hpp in Headers */ = {isa = PBXBuildFile; fileRef = F60102E31CBBB19700EC01BA /* node_object_accessor.hpp */; };
F60102E81CBBB36500EC01BA /* jsc_object_accessor.cpp in Sources */ = {isa = PBXBuildFile; fileRef = F60102E61CBBB36500EC01BA /* jsc_object_accessor.cpp */; };
F60102E91CBCAEC500EC01BA /* platform.mm in Sources */ = {isa = PBXBuildFile; fileRef = 029048381C042A8F00ABDED4 /* platform.mm */; };
F60102EA1CBCAFC300EC01BA /* node_dummy.cpp in Sources */ = {isa = PBXBuildFile; fileRef = F6267BCA1CADC49200AC36B1 /* node_dummy.cpp */; };
F61378791C18EAC5008BFC51 /* js in Resources */ = {isa = PBXBuildFile; fileRef = F61378781C18EAAC008BFC51 /* js */; };
@ -174,7 +173,6 @@
F60102CF1CBB814A00EC01BA /* node_init.hpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.h; path = node_init.hpp; sourceTree = "<group>"; };
F60102D11CBB865A00EC01BA /* jsc_init.hpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.h; path = jsc_init.hpp; sourceTree = "<group>"; };
F60102E31CBBB19700EC01BA /* node_object_accessor.hpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.h; path = node_object_accessor.hpp; sourceTree = "<group>"; };
F60102E61CBBB36500EC01BA /* jsc_object_accessor.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = jsc_object_accessor.cpp; sourceTree = "<group>"; };
F60102E71CBBB36500EC01BA /* jsc_object_accessor.hpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.h; path = jsc_object_accessor.hpp; sourceTree = "<group>"; };
F60102F71CBDA6D400EC01BA /* js_collection.hpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.h; path = js_collection.hpp; sourceTree = "<group>"; };
F61378781C18EAAC008BFC51 /* js */ = {isa = PBXFileReference; lastKnownFileType = folder; path = js; sourceTree = "<group>"; };
@ -488,7 +486,6 @@
F620F0531CAF2EF70082977B /* jsc_class.hpp */,
025678951CAB392000FB8501 /* jsc_types.hpp */,
F60102E71CBBB36500EC01BA /* jsc_object_accessor.hpp */,
F60102E61CBBB36500EC01BA /* jsc_object_accessor.cpp */,
);
name = JSC;
path = jsc;
@ -776,7 +773,6 @@
02F59EC51C88F17D007F774C /* shared_realm.cpp in Sources */,
F63FF2CB1C12469E00B3B8E0 /* js_schema.cpp in Sources */,
02F59ECB1C88F190007F774C /* query_builder.cpp in Sources */,
F60102E81CBBB36500EC01BA /* jsc_object_accessor.cpp in Sources */,
02F59EE21C88F2BB007F774C /* realm_coordinator.cpp in Sources */,
02F59EC41C88F17D007F774C /* schema.cpp in Sources */,
F63FF2CD1C12469E00B3B8E0 /* rpc.cpp in Sources */,

90
src/jsc/jsc_object_accessor.cpp
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@ -1,90 +0,0 @@
////////////////////////////////////////////////////////////////////////////
//
// Copyright 2016 Realm Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
////////////////////////////////////////////////////////////////////////////
#include "jsc_object_accessor.hpp"
using namespace realm;
using namespace realm::jsc;
using Accessor = js::NativeAccessor<Types>;
template<>
std::string Accessor::to_binary(JSContextRef ctx, JSValueRef &value) {
static jsc::String s_array_buffer = "ArrayBuffer";
static jsc::String s_buffer = "buffer";
static jsc::String s_byte_length = "byteLength";
static jsc::String s_byte_offset = "byteOffset";
static jsc::String s_is_view = "isView";
static jsc::String s_uint8_array = "Uint8Array";
JSObjectRef global_object = JSContextGetGlobalObject(ctx);
JSObjectRef array_buffer_constructor = jsc::Object::validated_get_constructor(ctx, global_object, s_array_buffer);
JSObjectRef uint8_array_constructor = jsc::Object::validated_get_constructor(ctx, global_object, s_uint8_array);
JSValueRef uint8_array_arguments[3];
uint32_t uint8_array_argc = 0;
// Value should either be an ArrayBuffer or ArrayBufferView (i.e. TypedArray or DataView).
if (JSValueIsInstanceOfConstructor(ctx, value, array_buffer_constructor, nullptr)) {
uint8_array_arguments[0] = value;
uint8_array_argc = 1;
}
else if (JSObjectRef object = JSValueToObject(ctx, value, nullptr)) {
// Check if value is an ArrayBufferView by calling ArrayBuffer.isView(val).
JSValueRef is_view = jsc::Object::call_method(ctx, array_buffer_constructor, s_is_view, 1, &object);
if (jsc::Value::to_boolean(ctx, is_view)) {
uint8_array_arguments[0] = jsc::Object::validated_get_object(ctx, object, s_buffer);
uint8_array_arguments[1] = jsc::Object::get_property(ctx, object, s_byte_offset);
uint8_array_arguments[2] = jsc::Object::get_property(ctx, object, s_byte_length);
uint8_array_argc = 3;
}
}
if (!uint8_array_argc) {
throw std::runtime_error("Can only convert ArrayBuffer and TypedArray objects to binary");
}
JSObjectRef uint8_array = jsc::Function::construct(ctx, uint8_array_constructor, uint8_array_argc, uint8_array_arguments);
uint32_t byte_count = jsc::Object::validated_get_length(ctx, uint8_array);
std::string bytes(byte_count, 0);
for (uint32_t i = 0; i < byte_count; i++) {
JSValueRef byteValue = jsc::Object::get_property(ctx, uint8_array, i);
bytes[i] = jsc::Value::to_number(ctx, byteValue);
}
return bytes;
}
template<>
JSValueRef Accessor::from_binary(JSContextRef ctx, BinaryData data) {
static jsc::String s_buffer = "buffer";
static jsc::String s_uint8_array = "Uint8Array";
size_t byte_count = data.size();
JSValueRef byte_count_value = jsc::Value::from_number(ctx, byte_count);
JSObjectRef uint8_array_constructor = jsc::Object::validated_get_constructor(ctx, JSContextGetGlobalObject(ctx), s_uint8_array);
JSObjectRef uint8_array = jsc::Function::construct(ctx, uint8_array_constructor, 1, &byte_count_value);
for (uint32_t i = 0; i < byte_count; i++) {
JSValueRef num = jsc::Value::from_number(ctx, data[i]);
jsc::Object::set_property(ctx, uint8_array, i, num);
}
return jsc::Object::validated_get_object(ctx, uint8_array, s_buffer);
}

69
src/jsc/jsc_object_accessor.hpp
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@ -26,5 +26,74 @@ namespace realm {
// Specialize a native accessor class for JSC.
template<>
class NativeAccessor<jsc::Types::Value, jsc::Types::Context> : public js::NativeAccessor<jsc::Types> {};
namespace js {
template<>
inline std::string NativeAccessor<jsc::Types>::to_binary(JSContextRef ctx, JSValueRef &value) {
static jsc::String s_array_buffer = "ArrayBuffer";
static jsc::String s_buffer = "buffer";
static jsc::String s_byte_length = "byteLength";
static jsc::String s_byte_offset = "byteOffset";
static jsc::String s_is_view = "isView";
static jsc::String s_uint8_array = "Uint8Array";
JSObjectRef global_object = JSContextGetGlobalObject(ctx);
JSObjectRef array_buffer_constructor = jsc::Object::validated_get_constructor(ctx, global_object, s_array_buffer);
JSObjectRef uint8_array_constructor = jsc::Object::validated_get_constructor(ctx, global_object, s_uint8_array);
JSValueRef uint8_array_arguments[3];
uint32_t uint8_array_argc = 0;
// Value should either be an ArrayBuffer or ArrayBufferView (i.e. TypedArray or DataView).
if (JSValueIsInstanceOfConstructor(ctx, value, array_buffer_constructor, nullptr)) {
uint8_array_arguments[0] = value;
uint8_array_argc = 1;
}
else if (JSObjectRef object = JSValueToObject(ctx, value, nullptr)) {
// Check if value is an ArrayBufferView by calling ArrayBuffer.isView(val).
JSValueRef is_view = jsc::Object::call_method(ctx, array_buffer_constructor, s_is_view, 1, &object);
if (jsc::Value::to_boolean(ctx, is_view)) {
uint8_array_arguments[0] = jsc::Object::validated_get_object(ctx, object, s_buffer);
uint8_array_arguments[1] = jsc::Object::get_property(ctx, object, s_byte_offset);
uint8_array_arguments[2] = jsc::Object::get_property(ctx, object, s_byte_length);
uint8_array_argc = 3;
}
}
if (!uint8_array_argc) {
throw std::runtime_error("Can only convert ArrayBuffer and TypedArray objects to binary");
}
JSObjectRef uint8_array = jsc::Function::construct(ctx, uint8_array_constructor, uint8_array_argc, uint8_array_arguments);
uint32_t byte_count = jsc::Object::validated_get_length(ctx, uint8_array);
std::string bytes(byte_count, 0);
for (uint32_t i = 0; i < byte_count; i++) {
JSValueRef byteValue = jsc::Object::get_property(ctx, uint8_array, i);
bytes[i] = jsc::Value::to_number(ctx, byteValue);
}
return bytes;
}
template<>
inline JSValueRef NativeAccessor<jsc::Types>::from_binary(JSContextRef ctx, BinaryData data) {
static jsc::String s_buffer = "buffer";
static jsc::String s_uint8_array = "Uint8Array";
size_t byte_count = data.size();
JSValueRef byte_count_value = jsc::Value::from_number(ctx, byte_count);
JSObjectRef uint8_array_constructor = jsc::Object::validated_get_constructor(ctx, JSContextGetGlobalObject(ctx), s_uint8_array);
JSObjectRef uint8_array = jsc::Function::construct(ctx, uint8_array_constructor, 1, &byte_count_value);
for (uint32_t i = 0; i < byte_count; i++) {
JSValueRef num = jsc::Value::from_number(ctx, data[i]);
jsc::Object::set_property(ctx, uint8_array, i, num);
}
return jsc::Object::validated_get_object(ctx, uint8_array, s_buffer);
}
} // js
} // realm