More work on workflows

- WorkflowStep -> WorkflowNode
- Added initial kinds of WorkflowNode's

1 files changed, 42 insertions, 7 deletions

diff --git a/core/src/Model/EvaluatedValue.cpp b/core/src/Model/EvaluatedValue.cpp
index c86f00b..685d50f 100644
--- a/core/src/Model/EvaluatedValue.cpp
+++ b/core/src/Model/EvaluatedValue.cpp
@@ -1,15 +1,32 @@
 #include "EvaluatedValue.hpp"
 
-BaseValue::BaseValue(Type type)
-	: mType{ type } {
+#include <charconv>
+
+BaseValue::BaseValue(Kind kind)
+	: mKind{ kind } {
+}
+
+BaseValue::Kind BaseValue::GetKind() const {
+	return mKind;
 }
 
-BaseValue::Type BaseValue::GetType() const {
-	return mType;
+bool NumericValue::IsInstance(const BaseValue* value) {
+	return value->GetKind() == KD_Numeric;
 }
 
 NumericValue::NumericValue()
-	: BaseValue(BaseValue::NumericType) {
+	: BaseValue(BaseValue::KD_Numeric) {
+}
+
+std::string NumericValue::GetString() const {
+	char buf[64];
+	auto res = std::to_chars(buf, buf + std::size(buf), mValue);
+	if (res.ec == std::errc()) {
+		return std::string(buf, res.ptr);
+	} else {
+		// TODO larger buffer
+		return "<err>";
+	}
 }
 
 int64_t NumericValue::GetInt() const {
@@ -24,8 +41,12 @@ void NumericValue::SetValue(double value) {
 	mValue = value;
 }
 
+bool TextValue::IsInstance(const BaseValue* value) {
+	return value->GetKind() == KD_Text;
+}
+
 TextValue::TextValue()
-	: BaseValue(BaseValue::TextType) {
+	: BaseValue(BaseValue::KD_Text) {
 }
 
 const std::string& TextValue::GetValue() const {
@@ -36,8 +57,22 @@ void TextValue::SetValue(const std::string& value) {
 	mValue = value;
 }
 
+bool DateTimeValue::IsInstance(const BaseValue* value) {
+	return value->GetKind() == KD_DateTime;
+}
+
 DateTimeValue::DateTimeValue()
-	: BaseValue(BaseValue::DateTimeType) {
+	: BaseValue(BaseValue::KD_DateTime) {
+}
+
+std::string DateTimeValue::GetString() const {
+	namespace chrono = std::chrono;
+	auto t = chrono::system_clock::to_time_t(mValue);
+
+	char data[32];
+	std::strftime(data, sizeof(data), "%Y-%m-%d %H:%M:%S", std::localtime(&t));
+
+	return std::string(data);
 }
 
 const std::chrono::time_point<std::chrono::system_clock>& DateTimeValue::GetValue() const {