Squashed 'third_party/ntcore_2016/' content from commit d8de5e4
Change-Id: Id4839f41b6a620d8bae58dcf1710016671cc4992
git-subtree-dir: third_party/ntcore_2016
git-subtree-split: d8de5e4f19e612e7102172c0dbf152ce82d3d63a
diff --git a/src/Value.cpp b/src/Value.cpp
new file mode 100644
index 0000000..8095fa9
--- /dev/null
+++ b/src/Value.cpp
@@ -0,0 +1,210 @@
+/*----------------------------------------------------------------------------*/
+/* Copyright (c) FIRST 2015. All Rights Reserved. */
+/* Open Source Software - may be modified and shared by FRC teams. The code */
+/* must be accompanied by the FIRST BSD license file in the root directory of */
+/* the project. */
+/*----------------------------------------------------------------------------*/
+
+#include "nt_Value.h"
+#include "Value_internal.h"
+#include "support/timestamp.h"
+
+using namespace nt;
+
+Value::Value() {
+ m_val.type = NT_UNASSIGNED;
+ m_val.last_change = Now();
+}
+
+Value::Value(NT_Type type, const private_init&) {
+ m_val.type = type;
+ m_val.last_change = Now();
+ if (m_val.type == NT_BOOLEAN_ARRAY)
+ m_val.data.arr_boolean.arr = nullptr;
+ else if (m_val.type == NT_DOUBLE_ARRAY)
+ m_val.data.arr_double.arr = nullptr;
+ else if (m_val.type == NT_STRING_ARRAY)
+ m_val.data.arr_string.arr = nullptr;
+}
+
+Value::~Value() {
+ if (m_val.type == NT_BOOLEAN_ARRAY)
+ delete[] m_val.data.arr_boolean.arr;
+ else if (m_val.type == NT_DOUBLE_ARRAY)
+ delete[] m_val.data.arr_double.arr;
+ else if (m_val.type == NT_STRING_ARRAY)
+ delete[] m_val.data.arr_string.arr;
+}
+
+std::shared_ptr<Value> Value::MakeBooleanArray(llvm::ArrayRef<int> value) {
+ auto val = std::make_shared<Value>(NT_BOOLEAN_ARRAY, private_init());
+ val->m_val.data.arr_boolean.arr = new int[value.size()];
+ val->m_val.data.arr_boolean.size = value.size();
+ std::copy(value.begin(), value.end(), val->m_val.data.arr_boolean.arr);
+ return val;
+}
+
+std::shared_ptr<Value> Value::MakeDoubleArray(llvm::ArrayRef<double> value) {
+ auto val = std::make_shared<Value>(NT_DOUBLE_ARRAY, private_init());
+ val->m_val.data.arr_double.arr = new double[value.size()];
+ val->m_val.data.arr_double.size = value.size();
+ std::copy(value.begin(), value.end(), val->m_val.data.arr_double.arr);
+ return val;
+}
+
+std::shared_ptr<Value> Value::MakeStringArray(
+ llvm::ArrayRef<std::string> value) {
+ auto val = std::make_shared<Value>(NT_STRING_ARRAY, private_init());
+ val->m_string_array = value;
+ // point NT_Value to the contents in the vector.
+ val->m_val.data.arr_string.arr = new NT_String[value.size()];
+ val->m_val.data.arr_string.size = val->m_string_array.size();
+ for (std::size_t i=0; i<value.size(); ++i) {
+ val->m_val.data.arr_string.arr[i].str = const_cast<char*>(value[i].c_str());
+ val->m_val.data.arr_string.arr[i].len = value[i].size();
+ }
+ return val;
+}
+
+std::shared_ptr<Value> Value::MakeStringArray(
+ std::vector<std::string>&& value) {
+ auto val = std::make_shared<Value>(NT_STRING_ARRAY, private_init());
+ val->m_string_array = std::move(value);
+ value.clear();
+ // point NT_Value to the contents in the vector.
+ val->m_val.data.arr_string.arr = new NT_String[val->m_string_array.size()];
+ val->m_val.data.arr_string.size = val->m_string_array.size();
+ for (std::size_t i=0; i<val->m_string_array.size(); ++i) {
+ val->m_val.data.arr_string.arr[i].str =
+ const_cast<char*>(val->m_string_array[i].c_str());
+ val->m_val.data.arr_string.arr[i].len = val->m_string_array[i].size();
+ }
+ return val;
+}
+
+void nt::ConvertToC(const Value& in, NT_Value* out) {
+ out->type = NT_UNASSIGNED;
+ switch (in.type()) {
+ case NT_UNASSIGNED:
+ return;
+ case NT_BOOLEAN:
+ out->data.v_boolean = in.GetBoolean() ? 1 : 0;
+ break;
+ case NT_DOUBLE:
+ out->data.v_double = in.GetDouble();
+ break;
+ case NT_STRING:
+ ConvertToC(in.GetString(), &out->data.v_string);
+ break;
+ case NT_RAW:
+ ConvertToC(in.GetRaw(), &out->data.v_raw);
+ break;
+ case NT_RPC:
+ ConvertToC(in.GetRpc(), &out->data.v_raw);
+ break;
+ case NT_BOOLEAN_ARRAY: {
+ auto v = in.GetBooleanArray();
+ out->data.arr_boolean.arr =
+ static_cast<int*>(std::malloc(v.size() * sizeof(int)));
+ out->data.arr_boolean.size = v.size();
+ std::copy(v.begin(), v.end(), out->data.arr_boolean.arr);
+ break;
+ }
+ case NT_DOUBLE_ARRAY: {
+ auto v = in.GetDoubleArray();
+ out->data.arr_double.arr =
+ static_cast<double*>(std::malloc(v.size() * sizeof(double)));
+ out->data.arr_double.size = v.size();
+ std::copy(v.begin(), v.end(), out->data.arr_double.arr);
+ break;
+ }
+ case NT_STRING_ARRAY: {
+ auto v = in.GetStringArray();
+ out->data.arr_string.arr =
+ static_cast<NT_String*>(std::malloc(v.size()*sizeof(NT_String)));
+ for (size_t i = 0; i < v.size(); ++i)
+ ConvertToC(v[i], &out->data.arr_string.arr[i]);
+ out->data.arr_string.size = v.size();
+ break;
+ }
+ default:
+ // assert(false && "unknown value type");
+ return;
+ }
+ out->type = in.type();
+}
+
+void nt::ConvertToC(llvm::StringRef in, NT_String* out) {
+ out->len = in.size();
+ out->str = static_cast<char*>(std::malloc(in.size()+1));
+ std::memcpy(out->str, in.data(), in.size());
+ out->str[in.size()] = '\0';
+}
+
+std::shared_ptr<Value> nt::ConvertFromC(const NT_Value& value) {
+ switch (value.type) {
+ case NT_UNASSIGNED:
+ return nullptr;
+ case NT_BOOLEAN:
+ return Value::MakeBoolean(value.data.v_boolean != 0);
+ case NT_DOUBLE:
+ return Value::MakeDouble(value.data.v_double);
+ case NT_STRING:
+ return Value::MakeString(ConvertFromC(value.data.v_string));
+ case NT_RAW:
+ return Value::MakeRaw(ConvertFromC(value.data.v_raw));
+ case NT_RPC:
+ return Value::MakeRpc(ConvertFromC(value.data.v_raw));
+ case NT_BOOLEAN_ARRAY:
+ return Value::MakeBooleanArray(llvm::ArrayRef<int>(
+ value.data.arr_boolean.arr, value.data.arr_boolean.size));
+ case NT_DOUBLE_ARRAY:
+ return Value::MakeDoubleArray(llvm::ArrayRef<double>(
+ value.data.arr_double.arr, value.data.arr_double.size));
+ case NT_STRING_ARRAY: {
+ std::vector<std::string> v;
+ v.reserve(value.data.arr_string.size);
+ for (size_t i=0; i<value.data.arr_string.size; ++i)
+ v.push_back(ConvertFromC(value.data.arr_string.arr[i]));
+ return Value::MakeStringArray(std::move(v));
+ }
+ default:
+ // assert(false && "unknown value type");
+ return nullptr;
+ }
+}
+
+bool nt::operator==(const Value& lhs, const Value& rhs) {
+ if (lhs.type() != rhs.type()) return false;
+ switch (lhs.type()) {
+ case NT_UNASSIGNED:
+ return true; // XXX: is this better being false instead?
+ case NT_BOOLEAN:
+ return lhs.m_val.data.v_boolean == rhs.m_val.data.v_boolean;
+ case NT_DOUBLE:
+ return lhs.m_val.data.v_double == rhs.m_val.data.v_double;
+ case NT_STRING:
+ case NT_RAW:
+ case NT_RPC:
+ return lhs.m_string == rhs.m_string;
+ case NT_BOOLEAN_ARRAY:
+ if (lhs.m_val.data.arr_boolean.size != rhs.m_val.data.arr_boolean.size)
+ return false;
+ return std::memcmp(lhs.m_val.data.arr_boolean.arr,
+ rhs.m_val.data.arr_boolean.arr,
+ lhs.m_val.data.arr_boolean.size *
+ sizeof(lhs.m_val.data.arr_boolean.arr[0])) == 0;
+ case NT_DOUBLE_ARRAY:
+ if (lhs.m_val.data.arr_double.size != rhs.m_val.data.arr_double.size)
+ return false;
+ return std::memcmp(lhs.m_val.data.arr_double.arr,
+ rhs.m_val.data.arr_double.arr,
+ lhs.m_val.data.arr_double.size *
+ sizeof(lhs.m_val.data.arr_double.arr[0])) == 0;
+ case NT_STRING_ARRAY:
+ return lhs.m_string_array == rhs.m_string_array;
+ default:
+ // assert(false && "unknown value type");
+ return false;
+ }
+}