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https://github.com/wpilibsuite/allwpilib
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Remove wpiutil and update to the new build system (#210)
This commit is contained in:
Thad House
committed by
Peter Johnson
Peter Johnson
parent
f43675e2bd
commit
5df7463663
210
src/main/native/cpp/Value.cpp
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210
src/main/native/cpp/Value.cpp
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@@ -0,0 +1,210 @@
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/*----------------------------------------------------------------------------*/
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/* Copyright (c) FIRST 2015. All Rights Reserved. */
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/* Open Source Software - may be modified and shared by FRC teams. The code */
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/* must be accompanied by the FIRST BSD license file in the root directory of */
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/* the project. */
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/*----------------------------------------------------------------------------*/
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#include "nt_Value.h"
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#include "Value_internal.h"
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#include "support/timestamp.h"
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using namespace nt;
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Value::Value() {
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m_val.type = NT_UNASSIGNED;
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m_val.last_change = wpi::Now();
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}
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Value::Value(NT_Type type, const private_init&) {
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m_val.type = type;
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m_val.last_change = wpi::Now();
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if (m_val.type == NT_BOOLEAN_ARRAY)
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m_val.data.arr_boolean.arr = nullptr;
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else if (m_val.type == NT_DOUBLE_ARRAY)
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m_val.data.arr_double.arr = nullptr;
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else if (m_val.type == NT_STRING_ARRAY)
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m_val.data.arr_string.arr = nullptr;
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}
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Value::~Value() {
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if (m_val.type == NT_BOOLEAN_ARRAY)
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delete[] m_val.data.arr_boolean.arr;
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else if (m_val.type == NT_DOUBLE_ARRAY)
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delete[] m_val.data.arr_double.arr;
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else if (m_val.type == NT_STRING_ARRAY)
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delete[] m_val.data.arr_string.arr;
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}
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std::shared_ptr<Value> Value::MakeBooleanArray(llvm::ArrayRef<int> value) {
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auto val = std::make_shared<Value>(NT_BOOLEAN_ARRAY, private_init());
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val->m_val.data.arr_boolean.arr = new int[value.size()];
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val->m_val.data.arr_boolean.size = value.size();
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std::copy(value.begin(), value.end(), val->m_val.data.arr_boolean.arr);
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return val;
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}
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std::shared_ptr<Value> Value::MakeDoubleArray(llvm::ArrayRef<double> value) {
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auto val = std::make_shared<Value>(NT_DOUBLE_ARRAY, private_init());
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val->m_val.data.arr_double.arr = new double[value.size()];
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val->m_val.data.arr_double.size = value.size();
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std::copy(value.begin(), value.end(), val->m_val.data.arr_double.arr);
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return val;
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}
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std::shared_ptr<Value> Value::MakeStringArray(
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llvm::ArrayRef<std::string> value) {
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auto val = std::make_shared<Value>(NT_STRING_ARRAY, private_init());
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val->m_string_array = value;
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// point NT_Value to the contents in the vector.
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val->m_val.data.arr_string.arr = new NT_String[value.size()];
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val->m_val.data.arr_string.size = val->m_string_array.size();
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for (std::size_t i = 0; i < value.size(); ++i) {
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val->m_val.data.arr_string.arr[i].str = const_cast<char*>(value[i].c_str());
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val->m_val.data.arr_string.arr[i].len = value[i].size();
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}
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return val;
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}
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std::shared_ptr<Value> Value::MakeStringArray(
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std::vector<std::string>&& value) {
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auto val = std::make_shared<Value>(NT_STRING_ARRAY, private_init());
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val->m_string_array = std::move(value);
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value.clear();
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// point NT_Value to the contents in the vector.
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val->m_val.data.arr_string.arr = new NT_String[val->m_string_array.size()];
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val->m_val.data.arr_string.size = val->m_string_array.size();
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for (std::size_t i = 0; i < val->m_string_array.size(); ++i) {
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val->m_val.data.arr_string.arr[i].str =
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const_cast<char*>(val->m_string_array[i].c_str());
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val->m_val.data.arr_string.arr[i].len = val->m_string_array[i].size();
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}
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return val;
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}
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void nt::ConvertToC(const Value& in, NT_Value* out) {
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out->type = NT_UNASSIGNED;
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switch (in.type()) {
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case NT_UNASSIGNED:
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return;
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case NT_BOOLEAN:
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out->data.v_boolean = in.GetBoolean() ? 1 : 0;
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break;
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case NT_DOUBLE:
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out->data.v_double = in.GetDouble();
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break;
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case NT_STRING:
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ConvertToC(in.GetString(), &out->data.v_string);
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break;
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case NT_RAW:
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ConvertToC(in.GetRaw(), &out->data.v_raw);
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break;
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case NT_RPC:
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ConvertToC(in.GetRpc(), &out->data.v_raw);
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break;
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case NT_BOOLEAN_ARRAY: {
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auto v = in.GetBooleanArray();
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out->data.arr_boolean.arr =
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static_cast<int*>(std::malloc(v.size() * sizeof(int)));
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out->data.arr_boolean.size = v.size();
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std::copy(v.begin(), v.end(), out->data.arr_boolean.arr);
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break;
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}
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case NT_DOUBLE_ARRAY: {
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auto v = in.GetDoubleArray();
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out->data.arr_double.arr =
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static_cast<double*>(std::malloc(v.size() * sizeof(double)));
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out->data.arr_double.size = v.size();
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std::copy(v.begin(), v.end(), out->data.arr_double.arr);
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break;
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}
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case NT_STRING_ARRAY: {
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auto v = in.GetStringArray();
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out->data.arr_string.arr =
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static_cast<NT_String*>(std::malloc(v.size() * sizeof(NT_String)));
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for (size_t i = 0; i < v.size(); ++i)
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ConvertToC(v[i], &out->data.arr_string.arr[i]);
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out->data.arr_string.size = v.size();
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break;
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}
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default:
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// assert(false && "unknown value type");
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return;
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}
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out->type = in.type();
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}
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void nt::ConvertToC(llvm::StringRef in, NT_String* out) {
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out->len = in.size();
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out->str = static_cast<char*>(std::malloc(in.size() + 1));
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std::memcpy(out->str, in.data(), in.size());
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out->str[in.size()] = '\0';
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}
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std::shared_ptr<Value> nt::ConvertFromC(const NT_Value& value) {
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switch (value.type) {
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case NT_UNASSIGNED:
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return nullptr;
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case NT_BOOLEAN:
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return Value::MakeBoolean(value.data.v_boolean != 0);
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case NT_DOUBLE:
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return Value::MakeDouble(value.data.v_double);
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case NT_STRING:
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return Value::MakeString(ConvertFromC(value.data.v_string));
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case NT_RAW:
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return Value::MakeRaw(ConvertFromC(value.data.v_raw));
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case NT_RPC:
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return Value::MakeRpc(ConvertFromC(value.data.v_raw));
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case NT_BOOLEAN_ARRAY:
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return Value::MakeBooleanArray(llvm::ArrayRef<int>(
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value.data.arr_boolean.arr, value.data.arr_boolean.size));
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case NT_DOUBLE_ARRAY:
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return Value::MakeDoubleArray(llvm::ArrayRef<double>(
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value.data.arr_double.arr, value.data.arr_double.size));
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case NT_STRING_ARRAY: {
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std::vector<std::string> v;
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v.reserve(value.data.arr_string.size);
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for (size_t i = 0; i < value.data.arr_string.size; ++i)
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v.push_back(ConvertFromC(value.data.arr_string.arr[i]));
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return Value::MakeStringArray(std::move(v));
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}
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default:
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// assert(false && "unknown value type");
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return nullptr;
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}
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}
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bool nt::operator==(const Value& lhs, const Value& rhs) {
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if (lhs.type() != rhs.type()) return false;
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switch (lhs.type()) {
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case NT_UNASSIGNED:
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return true; // XXX: is this better being false instead?
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case NT_BOOLEAN:
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return lhs.m_val.data.v_boolean == rhs.m_val.data.v_boolean;
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case NT_DOUBLE:
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return lhs.m_val.data.v_double == rhs.m_val.data.v_double;
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case NT_STRING:
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case NT_RAW:
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case NT_RPC:
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return lhs.m_string == rhs.m_string;
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case NT_BOOLEAN_ARRAY:
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if (lhs.m_val.data.arr_boolean.size != rhs.m_val.data.arr_boolean.size)
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return false;
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return std::memcmp(lhs.m_val.data.arr_boolean.arr,
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rhs.m_val.data.arr_boolean.arr,
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lhs.m_val.data.arr_boolean.size *
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sizeof(lhs.m_val.data.arr_boolean.arr[0])) == 0;
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case NT_DOUBLE_ARRAY:
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if (lhs.m_val.data.arr_double.size != rhs.m_val.data.arr_double.size)
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return false;
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return std::memcmp(lhs.m_val.data.arr_double.arr,
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rhs.m_val.data.arr_double.arr,
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lhs.m_val.data.arr_double.size *
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sizeof(lhs.m_val.data.arr_double.arr[0])) == 0;
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case NT_STRING_ARRAY:
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return lhs.m_string_array == rhs.m_string_array;
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default:
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// assert(false && "unknown value type");
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return false;
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}
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}
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