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#include "TextNodes.hpp"
#include "Model/Workflow/Evaluation.hpp"
#include "Model/Workflow/Values/Basic.hpp"
#include "Utils/Macros.hpp"
#include "Utils/RTTI.hpp"
#include "Utils/Variant.hpp"
#include <cassert>
#include <utility>
#include <variant>
#include <vector>
class TextFormatterNode::Impl
{
public:
template <class TFunction>
static void ForArguments(std::vector<Element>::iterator begin, std::vector<Element>::iterator end, const TFunction& func)
{
for (auto it = begin; it != end; ++it) {
auto& elm = *it;
if (auto arg = std::get_if<Argument>(&elm)) {
func(*arg);
}
}
}
/// Find the pin index that the \c elmIdx -th element should have, based on the elements coming before it.
static int FindPinForElement(const std::vector<Element>& vec, int elmIdx)
{
for (int i = elmIdx; i >= 0; --i) {
auto& elm = vec[i];
if (auto arg = std::get_if<Argument>(&elm)) {
return arg->PinIdx + 1;
}
}
return 0;
}
};
BaseValue::Kind TextFormatterNode::ArgumentTypeToValueKind(TextFormatterNode::ArgumentType arg)
{
switch (arg) {
case NumericArgument: return BaseValue::KD_Numeric;
case TextArgument: return BaseValue::KD_Text;
case DateTimeArgument: return BaseValue::KD_DateTime;
}
}
bool TextFormatterNode::IsInstance(const WorkflowNode* node)
{
return node->GetKind() == KD_TextFormatting;
}
TextFormatterNode::TextFormatterNode()
: WorkflowNode(KD_TextFormatting, false)
{
}
int TextFormatterNode::GetElementCount() const
{
return mElements.size();
}
const TextFormatterNode::Element& TextFormatterNode::GetElement(int idx) const
{
return mElements[idx];
}
void TextFormatterNode::SetElement(int idx, std::string text)
{
assert(idx >= 0 && idx < mElements.size());
std::visit(
Overloaded{
[&](const std::string& original) { mMinOutputChars -= original.size(); },
[&](const Argument& original) { PreRemoveElement(idx); },
},
mElements[idx]);
mMinOutputChars += text.size();
mElements[idx] = std::move(text);
}
void TextFormatterNode::SetElement(int idx, ArgumentType argument)
{
assert(idx >= 0 && idx < mElements.size());
std::visit(
Overloaded{
[&](const std::string& original) {
mMinOutputChars -= original.size();
mElements[idx] = Argument{
.Type = argument,
.PinIdx = Impl::FindPinForElement(mElements, idx),
};
/* `original` is invalid from this point */
},
[&](const Argument& original) {
int pinIdx = original.PinIdx;
// Create pin
auto& pin = mInputs[pinIdx];
pin.MatchingType = ArgumentTypeToValueKind(argument);
// Create element
mElements[idx] = Argument{
.Type = argument,
.PinIdx = pinIdx,
};
/* `original` is invalid from this point */
},
},
mElements[idx]);
}
void TextFormatterNode::InsertElement(int idx, std::string text)
{
assert(idx >= 0);
if (idx >= mElements.size()) AppendElement(std::move(text));
mMinOutputChars += text.size();
mElements.insert(mElements.begin() + idx, std::move(text));
}
void TextFormatterNode::InsertElement(int idx, ArgumentType argument)
{
assert(idx >= 0);
if (idx >= mElements.size()) AppendElement(argument);
int pinIdx = Impl::FindPinForElement(mElements, idx);
// Create pin
auto& pin = InsertInputPin(pinIdx);
pin.MatchingType = ArgumentTypeToValueKind(argument);
// Create element
mElements.insert(
mElements.begin() + idx,
Argument{
.Type = argument,
.PinIdx = pinIdx,
});
}
void TextFormatterNode::AppendElement(std::string text)
{
mMinOutputChars += text.size();
mElements.push_back(std::move(text));
}
void TextFormatterNode::AppendElement(ArgumentType argument)
{
int pinIdx = mInputs.size();
// Create pin
mInputs.push_back(InputPin{});
mInputs.back().MatchingType = ArgumentTypeToValueKind(argument);
// Creat eelement
mElements.push_back(Argument{
.Type = argument,
.PinIdx = pinIdx,
});
}
void TextFormatterNode::RemoveElement(int idx)
{
assert(idx >= 0 && idx < mElements.size());
PreRemoveElement(idx);
if (auto arg = std::get_if<Argument>(&mElements[idx])) {
RemoveInputPin(arg->PinIdx);
}
mElements.erase(mElements.begin() + idx);
}
void TextFormatterNode::Evaluate(WorkflowEvaluationContext& ctx)
{
std::string result;
result.reserve((size_t)(mMinOutputChars * 1.5f));
auto HandleText = [&](const std::string& str) {
result += str;
};
auto HandleArgument = [&](const Argument& arg) {
switch (arg.Type) {
case NumericArgument: {
if (auto val = dyn_cast<NumericValue>(ctx.GetConnectionValue(mInputs[arg.PinIdx]))) {
result += val->GetString();
} else {
// TODO localize
ctx.ReportError("Non-numeric value connected to a numeric text format parameter.", *this);
}
} break;
case TextArgument: {
if (auto val = dyn_cast<TextValue>(ctx.GetConnectionValue(mInputs[arg.PinIdx]))) {
result += val->GetValue();
} else {
// TODO localize
ctx.ReportError("Non-text value connected to a textual text format parameter.", *this);
}
} break;
case DateTimeArgument: {
if (auto val = dyn_cast<DateTimeValue>(ctx.GetConnectionValue(mInputs[arg.PinIdx]))) {
result += val->GetString();
} else {
// TODO localize
ctx.ReportError("Non-date/time value connected to a date/time text format parameter.", *this);
}
} break;
}
};
for (auto& elm : mElements) {
std::visit(Overloaded{ HandleText, HandleArgument }, elm);
}
}
void TextFormatterNode::PreRemoveElement(int idx)
{
auto& elm = mElements[idx];
if (auto arg = std::get_if<Argument>(&elm)) {
RemoveInputPin(arg->PinIdx);
Impl::ForArguments(
mElements.begin() + idx + 1,
mElements.end(),
[&](Argument& arg) {
arg.PinIdx--;
});
}
}
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