ui-parser.h

// SPDX-License-Identifier: MIT
// SPDX-FileCopyrightText: 2025-2026 Manuel Osorio
#pragma once
#include "tinyxml2.h"
#include "ui-types.h"
 
#include "flint/core/asset-loader.h"
#include "flint/graphics/gpu/gpu-texture.h"
#include "flint/graphics/types/color.h"
 
#include <string>
#include <vector>
 
namespace Flint {
 
  struct Property {
      std::string name;
      std::string value;
  };
 
  struct Node {
      std::string           name;
      std::string           id;
      std::string           type;
      std::vector<Property> properties;
      std::vector<Node>     children;
      std::string           textContent;
      bool                  textBeforeChildren = false;
  };
 
  struct Context {
      std::string name;
      Node        rootNode;
  };
 
  class UIParser {
    public:
      bool loadFromFile(const std::string &mapData, IAssetLoader *assetsLoader);
      const std::vector<Context> &getContexts() const;
 
      static UILayoutDirection parseLayoutDirection(std::string alignString);
 
      static UIAlign parseAlign(std::string alignString);
 
      static UIPadding parsePadding(std::string value);
 
      static Color parseColor(const std::string &value);
 
      static bool parseBool(const std::string &value);
 
      static bool parseFloat(const std::string &invalue, float &outValue);
      static bool parseInt(const std::string &invalue, int &outValue);
 
    private:
      std::vector<Context> m_contexts;
 
      Node parseNode(tinyxml2::XMLElement *nodeElement);
 
      static Color parseRGBColor(const std::string &value);
      static Color parseRGBAColor(const std::string &value);
 
      std::string resolvePath(const std::string &basePath, const std::string &relativePath);
 
      static constexpr std::pair<const char *, Color> preDefinedColors[] = {
          {      "white",       Colors::white},
          {      "black",       Colors::black},
          {        "red",         Colors::red},
          {      "green",       Colors::green},
          {       "blue",        Colors::blue},
          {     "yellow",      Colors::yellow},
          {       "cyan",        Colors::cyan},
          {    "magenta",     Colors::magenta},
          {"transparent", Colors::transparent}
      };
  };
}