Added dynamic color support + text display item

comdel/parser/ast_nodes.cpp

@@ -20,6 +20,19 @@ NumberNode::NumberNode(const std::string &expression) {
     }
 }
 
+/*************************** COLOR NODE *********************************/
+
+ColorNode::ColorNode(const std::string &expression) {
+    auto value = expression.substr(1);
+    color.r = std::stoul(value.substr(0, 2), nullptr, 16);
+    color.g = std::stoul(value.substr(2, 4), nullptr, 16);
+    color.b = std::stoul(value.substr(4, 6), nullptr, 16);
+    color.a = 255;
+    if(value.length() == 8) {
+        color.a = std::stoul(value.substr(6,8), nullptr, 16);
+    }
+}
+
 /*************************** STRING NODE ********************************/
 
 std::string StringNode::asString() {
@@ -49,6 +62,14 @@ std::string ValueNode::asIdentifier() {
     return "";
 }
 
+Color ValueNode::asColor() {
+    if (is(COLOR)) {
+        return colorValue.value();
+    }
+    return {};
+}
+
+
 bool ValueNode::asBool() {
     if (is(BOOL)) {
         return boolValue.value();
@@ -94,6 +115,13 @@ ValueNode ValueNode::ofNull() {
     return value;
 }
 
+ValueNode ValueNode::ofColor(Color color) {
+    ValueNode value;
+    value.type = EnumNode(COLOR);
+    value.colorValue = color;
+    return value;
+}
+
 ValueNode ValueNode::ofWire(std::optional<std::string> _value) {
     ValueNode value;
     value.type = EnumNode(WIRE);
@@ -106,4 +134,4 @@ ValueNode ValueNode::ofMemory(std::optional<std::string> _value) {
     value.type = EnumNode(MEMORY);
     value.identifierValue = _value;
     return value;
-}
+}

comdel/parser/ast_nodes.h

@@ -2,6 +2,7 @@
 #define AST_NODE_H
 
 #include "token.h"
+#include "color.h"
 #include "source_error.h"
 #include <optional>
 #include <utility>
@@ -56,6 +57,14 @@ struct NumberNode : public AstNode {
     NumberNode() : value(0) {}
 };
 
+struct ColorNode : public AstNode {
+    Color color;
+
+    explicit ColorNode(const std::string &expression);
+
+    ColorNode() {}
+};
+
 
 struct CountNode : public AstNode {
     NumberNode first;
@@ -83,6 +92,7 @@ public:
         IDENTIFIER,
         MEMORY,
         NIL,
+        COLOR,
     };
 
 private:
@@ -91,6 +101,7 @@ private:
     std::optional<std::string> stringValue;
     std::optional<bool> boolValue;
     std::optional<std::string> identifierValue;
+    std::optional<Color> colorValue;
 
 public:
     ValueNode() = default;
@@ -105,6 +116,8 @@ public:
 
     std::string asIdentifier();
 
+    Color asColor();
+
     bool asBool();
 
     bool is(ValueType valueType);
@@ -121,7 +134,10 @@ public:
 
     static ValueNode ofNull();
 
+    static ValueNode ofColor(Color color);
+
     static ValueNode ofWire(std::optional<std::string> _value);
+
 };
 
 struct ConditionNode {
@@ -196,6 +212,21 @@ struct DisplayItemNode : public AstNode {
         return _default;
     }
 
+    Color asColor(std::vector<SourceError> *errors, const std::string &property, Color _default = Color(0, 0, 0)) {
+        for (auto &prop: values) {
+            if (prop.key.value == property) {
+                if (prop.value.is(ValueNode::COLOR)) {
+                    return prop.value.asColor();
+                } else {
+                    if (errors != nullptr) {
+                        errors->emplace_back(prop.value.span, "expected number");
+                    }
+                }
+            }
+        }
+        return _default;
+    }
+
     std::string asIdentifier(std::vector<SourceError> *errors, const std::string &property, std::string _default = "") {
         for (auto &prop: values) {
             if (prop.key.value == property) {

comdel/parser/color.cpp

@@ -0,0 +1,5 @@
+//
+// Created by bbr on 12.06.22..
+//
+
+#include "color.h"

comdel/parser/color.h

@@ -0,0 +1,21 @@
+//
+// Created by bbr on 12.06.22..
+//
+
+#ifndef SCHEMEEDITOR_COLOR_H
+#define SCHEMEEDITOR_COLOR_H
+
+
+struct Color {
+    unsigned char r;
+    unsigned char g;
+    unsigned char b;
+    unsigned char a;
+
+    Color(): r(0), g(0), b(0), a(0) {}
+
+    Color(unsigned char r, unsigned char g, unsigned char b, unsigned char a = 0): r(r), g(g), b(b), a(a) {}
+};
+
+
+#endif //SCHEMEEDITOR_COLOR_H

comdel/parser/comdel_parser.cpp

@@ -259,9 +259,7 @@ std::optional<LibraryNode> ComdelParser::parseLibrary() {
                                                                         TokenType::RBRACE,
                                                                         std::nullopt,
                                                                         false,
-                                                                        [this] { return parseProperty(
-                                                                                std::optional<TokenType>(
-                                                                                        TokenType::STRING));
+                                                                        [this] { return parseProperty(TokenType::STRING);
                                                                         }
             ));
             if (!err.has_value()) {
@@ -302,6 +300,23 @@ PResult<StringNode> ComdelParser::parseString() {
 }
 
 
+/****************************************************************************
+*
+*    ColorNode :=  #RRGGBB[AA]
+*
+****************************************************************************/
+PResult<ColorNode> ComdelParser::parseColor() {
+    auto spanner = getSpanner();
+    if (check(TokenType::COLOR)) {
+        ColorNode node{current().text};
+        node.span = current().span;
+        bump();
+        return spanner(node);
+    }
+    return unexpected();
+}
+
+
 /****************************************************************************
 *
 *    IdentifierNode :=  IDENTIFIER
@@ -1144,6 +1159,8 @@ PResult<ValueNode> ComdelParser::parseValue() {
     } else if (check(TokenType::NIL)) {
         bump();
         value = ValueNode::ofNull();
+    } else if(check(TokenType::COLOR)) {
+        value = ValueNode::ofColor(parseColor()->color);
     } else {
         return unexpected();
     }

comdel/parser/comdel_parser.h

@@ -66,6 +66,8 @@ private:
     // used to parse library and schema
     PResult<StringNode> parseString();
 
+    PResult<ColorNode> parseColor();
+
     PResult<IdentifierNode> parseIdentifier();
 
     PResult<NumberNode> parseNumber();