Refactored function validators

comdel/domain/addressspace.cpp

@@ -1,3 +1,4 @@
+#include <algorithm>
 #include "addressspace.h"
 
 namespace domain {

comdel/domain/comdelvalidator.cpp

@@ -61,7 +61,7 @@ std::optional<ValidationError> ComdelValidator::validateRule(Rule rule, Validati
     RuleContext ruleContext;
     ruleContext.addressSpaces = context.addressSpaces;
     ruleContext.attributes = context.attributes;
-    ruleContext.function = callbacks;
+    ruleContext.function = validators;
     auto action = rule.evaluate(ruleContext);
     if (action) {
         std::string message = this->populateMessage(action->getMessage(), context);

comdel/domain/comdelvalidator.h

@@ -29,14 +29,19 @@ public:
     std::vector<ValidationError> validateAttribute(InstanceAttribute *attribute, ValidationContext context);
     std::optional<ValidationError> validateRule(Rule rule, ValidationContext context);
 
-    ComdelValidator(std::map<std::string, FunctionCallback> callbacks): callbacks(callbacks) {}
+    ComdelValidator(std::vector<FunctionValidator*> validators) {
+        for(auto* validator: validators) {
+            validator->clear();
+            this->validators.insert(std::make_pair(validator->getName(), validator));
+        }
+    }
 
 private:
-    std::map<std::string, FunctionCallback> callbacks;
+    std::map<std::string, FunctionValidator*> validators;
 
-    std::string populateMessage(string basicString, ValidationContext context);
+    std::string populateMessage(string message, ValidationContext context);
 
-    string replacePlaceholder(string basicString, const string basicString1, Value value);
+    string replacePlaceholder(string message, const string name, Value value);
 };
 
 }

comdel/domain/functionsignature.cpp

@@ -1,45 +1,138 @@
+#include <map>
 #include "functionsignature.h"
 
 namespace domain {
 
-FunctionSignature add(std::string name, std::vector<Value::ValueType> types, FunctionCallback callback) {
-    return {name, types, callback};
+class DivisibleValidator: public FunctionValidator {
+public:
+    DivisibleValidator(): FunctionValidator("divisible", {Value::INT, Value::INT}) {}
+
+    bool validate(std::vector<Value> values) override {
+        if(validateSignature(values)) {
+            long long first = values[0].asInt();
+            long long second = values[1].asInt();
+            return (first % second) == 0;
+        }
+        return false;
+    }
+    void clear() override {}
+};
+
+class LessThenValidator: public FunctionValidator {
+public:
+    LessThenValidator(): FunctionValidator("less_then", {Value::INT, Value::INT}) {}
+
+    bool validate(std::vector<Value> values) override {
+        if(validateSignature(values)) {
+            long long first = values[0].asInt();
+            long long second = values[1].asInt();
+            return first < second;
+        }
+        return false;
+    }
+    void clear() override {}
+};
+
+class GreaterThenValidator: public FunctionValidator {
+public:
+    GreaterThenValidator(): FunctionValidator("greater_then", {Value::INT, Value::INT}) {}
+
+    bool validate(std::vector<Value> values) override {
+        if(validateSignature(values)) {
+            long long first = values[0].asInt();
+            long long second = values[1].asInt();
+            return first > second;
+        }
+        return false;
+    }
+    void clear() override {}
+};
+
+
+class ContainsAddressValidator: public FunctionValidator {
+public:
+    ContainsAddressValidator(): FunctionValidator("contains_address", {Value::ADDRESS_SPACE, Value::INT}) {}
+
+    bool validate(std::vector<Value> values) override {
+        if(validateSignature(values)) {
+            AddressSpace space = values[0].asAddressSpace();
+            long long address = values[1].asInt();
+            return space.contains(address);
+        }
+        return false;
+    }
+    void clear() override {}
+};
+
+
+class ContainsValidator: public FunctionValidator {
+public:
+    ContainsValidator(): FunctionValidator("contains", {Value::ADDRESS_SPACE, Value::INT, Value::INT}) {}
+
+    bool validate(std::vector<Value> values) override {
+        if(validateSignature(values)) {
+            AddressSpace space = values[0].asAddressSpace();
+            long long start = values[1].asInt();
+            long long size = values[1].asInt();
+            return space.contains(start, start + size);
+        }
+        return false;
+    }
+    void clear() override {}
+};
+
+
+
+
+class UniqueValidator: public FunctionValidator {
+
+private:
+    std::map<std::string, std::vector<std::pair<long long int, long long int>>> spaces;
+
+    bool overlaps(long long int start1, long long int end1, long long int start2, long long int end2) {
+        return std::max((long long int)0, std::min(end1, end2) - std::max(start1, start2)) > 0;
+    }
+
+public:
+    UniqueValidator(): FunctionValidator("unique", {Value::ADDRESS_SPACE, Value::INT, Value::INT}) {}
+
+    bool validate(std::vector<Value> values) override {
+        if(validateSignature(values)) {
+            std::string space = values[0].asAddressSpace().getName();
+            long long int start = values[1].asInt();
+            long long int end = start + values[2].asInt();
+            if(spaces.count(space) == 0) {
+                spaces.insert(std::make_pair(space, std::vector<std::pair<long long int, long long int>>{}));
+            }
+            for(auto& s: spaces[space]) {
+                if(overlaps(s.first, s.second, start, end)) {
+                    return false;
+                }
+            }
+            spaces[space].push_back(std::make_pair(start, end));
+            return true;
+        }
+        return false;
+    }
+    void clear() override {
+        spaces.clear();
+    }
+};
+
+
+std::vector<FunctionValidator*> getSupportedValidators() {
+    std::vector<FunctionValidator*> validators;
+
+    validators.push_back(new DivisibleValidator());
+    validators.push_back(new LessThenValidator());
+    validators.push_back(new GreaterThenValidator());
+    validators.push_back(new ContainsAddressValidator());
+    validators.push_back(new ContainsValidator());
+    validators.push_back(new UniqueValidator());
+
+    return validators;
 }
 
-std::vector<FunctionSignature> getSupportedFunctions() {
-    std::vector<FunctionSignature> s;
-    s.push_back(add("divisible", std::vector<Value::ValueType>{Value::INT, Value::INT},[](std::vector<Value> values) {
-        long long first = values[0].asInt();
-        long long second = values[1].asInt();
-        return (first % second) == 0;
-    }));
-    s.push_back(add("less_then", std::vector<Value::ValueType>{Value::INT, Value::INT}, [](std::vector<Value> values) {
-        long long first = values[0].asInt();
-        long long second = values[1].asInt();
-        return first < second;
-    }));
-    s.push_back(add("greater_then", std::vector<Value::ValueType>{Value::INT, Value::INT}, [](std::vector<Value> values) {
-        long long first = values[0].asInt();
-        long long second = values[1].asInt();
-        return first > second;
-    }));
-    s.push_back(add("contains_address", std::vector<Value::ValueType>{Value::ADDRESS_SPACE, Value::INT}, [](std::vector<Value> values) {
-        AddressSpace space = values[0].asAddressSpace();
-        long long address = values[1].asInt();
-        return space.contains(address);
-    }));
-    s.push_back(add("contains", std::vector<Value::ValueType>{Value::ADDRESS_SPACE, Value::INT, Value::INT}, [](std::vector<Value> values) {
-        AddressSpace space = values[0].asAddressSpace();
-        long long start = values[1].asInt();
-        long long size = values[1].asInt();
-        return space.contains(start, start + size);
-    }));
-    s.push_back(add("unique", std::vector<Value::ValueType>{Value::ADDRESS_SPACE, Value::INT, Value::INT}, [](std::vector<Value> values) {
-        return true;
-    }));
-
-    return s;
-}
 
 
 } // namespace domain

comdel/domain/functionsignature.h

@@ -1,5 +1,5 @@
-#ifndef DOMAIN_FUNCTION_SIGNATURE_H
-#define DOMAIN_FUNCTION_SIGNATURE_H
+#ifndef DOMAIN_FUNCTION_VALIDATOR_H
+#define DOMAIN_FUNCTION_VALIDATOR_H
 
 #include<functional>
 #include<vector>
@@ -8,18 +8,46 @@
 
 namespace domain {
 
-typedef std::function<bool (std::vector<Value>)> FunctionCallback;
-
-struct FunctionSignature {
+class FunctionValidator {
+private:
     std::string name;
-    std::vector<Value::ValueType> params;
-    FunctionCallback callback;
+    std::vector<Value::ValueType> signature;
 
-    FunctionSignature(std::string name, std::vector<Value::ValueType> params, FunctionCallback callback): name(name), params(params), callback(callback) {}
+protected:
+    FunctionValidator(std::string name, std::vector<Value::ValueType> signature) {
+        this->name = name;
+        this->signature = signature;
+    }
+
+public:
+
+    std::string getName() {
+        return name;
+    }
+
+    std::vector<Value::ValueType> getSignature() {
+        return signature;
+    }
+
+    bool validateSignature(std::vector<Value> signature) {
+        if(this->signature.size() != signature.size()) {
+            return false;
+        }
+
+        for(int i=0; i<this->signature.size(); i++) {
+            if(this->signature[i] != signature[i].getType()) {
+                return false;
+            }
+        }
+        return true;
+    }
+
+    virtual bool validate(std::vector<Value> values) = 0;
+    virtual void clear() = 0;
 };
 
-std::vector<FunctionSignature> getSupportedFunctions();
+std::vector<FunctionValidator*> getSupportedValidators();
 
 } // namespace domain
 
-#endif // DOMAIN_FUNCTIONSIGNATURE_H
+#endif // DOMAIN_FUNCTION_VALIDATOR_H

comdel/domain/rule.cpp

@@ -17,7 +17,7 @@ bool Condition::evaluate(RuleContext &context) {
             request.push_back(params[i]);
         }
     }
-    bool result = context.function[function](request);
+    bool result = context.function[function]->validate(request);
     return negated ? !result : result;
 }
 

comdel/domain/rule.h

@@ -15,7 +15,7 @@ namespace domain {
 struct RuleContext {
     std::map<std::string, AddressSpace> addressSpaces;
     std::map<std::string, Value> attributes;
-    std::map<std::string, FunctionCallback> function;
+    std::map<std::string, FunctionValidator*> function;
 };
 
 class Condition {

comdel/domain/schemacreator.cpp

@@ -102,8 +102,8 @@ Popup::PopupType toType(PopupNode::PopupType type)
     return Popup::ON_DEMAND;
 }
 
-SchemaCreator::SchemaCreator(std::vector<FunctionSignature> signatures)
-    : signatures(std::move(signatures))
+SchemaCreator::SchemaCreator(std::vector<FunctionValidator*> validators)
+    : validators(std::move(validators))
 {}
 
 std::optional<Library> SchemaCreator::loadLibrary(LibraryNode node)
@@ -736,19 +736,19 @@ std::optional<Condition> SchemaCreator::loadCondition(ConditionNode node)
 {
     std::string function = node.functionName.value;
 
-    for(auto & signature : signatures) {
-        if(signature.name == function) {
-            if(signature.params.size() == node.params.size()) {
+    for(auto & validator : validators) {
+        if(validator->getName() == function) {
+            if(validator->getSignature().size() == node.params.size()) {
                 std::vector<Value> params;
-                for(uint j=0; j<signature.params.size(); j++) {
+                for(uint j=0; j<validator->getSignature().size(); j++) {
                     bool exists = false;
                     auto type = toType(node.params[j]);
                     if (type.getType() == Value::UNDEFINED) {
-                        if(current().doesAttributeExists(type.asReference(), signature.params[j])) {
+                        if(current().doesAttributeExists(type.asReference(), validator->getSignature()[j])) {
                             exists = true;
                             type = Value::fromReference(type.asReference(), Value::ATTRIBUTE_REFERENCE);
                         }
-                        if(signature.params[j] == Value::ADDRESS_SPACE) {
+                        if(validator->getSignature()[j] == Value::ADDRESS_SPACE) {
                             if(hasAddressSpace(type.asReference())) {
                                 exists = true;
                                 type = Value::fromReference(type.asReference(), Value::ADDRESS_SPACE_REFERENCE);

comdel/domain/schemacreator.h

@@ -61,7 +61,7 @@ class SchemaCreator
 
 
     std::vector<SourceError> errors;
-    std::vector<FunctionSignature> signatures;
+    std::vector<FunctionValidator*> validators;
 
     std::optional<AddressSpace> loadAddressSpace(AddressSpaceNode node);
     std::optional<Component> loadComponent(ComponentNode node);
@@ -130,7 +130,7 @@ class SchemaCreator
     }
 
 public:
-    SchemaCreator(std::vector<FunctionSignature> signatures);
+    SchemaCreator(std::vector<FunctionValidator*> validators);
 
     std::vector<SourceError> getErrors() {
         return errors;

mainwindow.cpp

@@ -24,7 +24,7 @@ MainWindow::MainWindow(QWidget *parent)
     setupUi();
 
     // define allowed methods
-    signatures = domain::getSupportedFunctions();
+    validators = domain::getSupportedValidators();
 }
 
 void MainWindow::setupUi()
@@ -79,7 +79,7 @@ void MainWindow::onLoadLibrary() {
         ParseContext parseContext;
         auto libraryNode = loadLibraryFromFile(&parseContext, filename.toStdString().c_str(), buffer);
         if(libraryNode) {
-            domain::SchemaCreator generator(signatures);
+            domain::SchemaCreator generator(validators);
             library = generator.loadLibrary(*libraryNode);
 
             for (auto& error : generator.getErrors()) {
@@ -117,7 +117,7 @@ void MainWindow::onLoadSchema() {
         auto schemaNode = loadSchemaFromFile(&parseContext, filename.toStdString().c_str(), buffer);
 
         if(schemaNode) {
-            domain::SchemaCreator generator(signatures);
+            domain::SchemaCreator generator(validators);
             library = generator.loadLibrary(*schemaNode->library);
 
             librarySource = schemaNode->source->value;
@@ -190,13 +190,7 @@ void MainWindow::onValidateSchema(bool /*toggled*/) {
 
     this->validationErrors.clear();
 
-    std::map<std::string, domain::FunctionCallback> callbacks;
-    auto functions = domain::getSupportedFunctions();
-    for(auto &func: functions) {
-        callbacks[func.name] = func.callback;
-    }
-
-    domain::ComdelValidator validator{callbacks};
+    domain::ComdelValidator validator{validators};
 
     domain::ValidationContext context;
     context.instance = nullptr;

mainwindow.h

@@ -30,7 +30,7 @@ public:
     std::optional<domain::Library> library = std::nullopt;
     domain::Schema* schema = nullptr;
 
-    std::vector<domain::FunctionSignature> signatures;
+    std::vector<domain::FunctionValidator*> validators;
 
     void setupUi();
     void clear();