pdf/engine/include/pdfengine/ast.hpp

#pragma once

#include <string>
#include <vector>
#include <unordered_map>
#include <cstdint>
#include <memory>

namespace pdfengine {

enum class AstNodeType {
    Number,
    Name,
    String,
    HexString,
    Boolean,
    Null,
    Array,
    Dictionary
};

class AstNode {
public:
    AstNodeType type;
    std::string stringValue;
    std::vector<uint8_t> bytesValue;
    double numberValue = 0.0;
    bool boolValue = false;
    
    std::vector<std::shared_ptr<AstNode>> arrayItems;
    std::unordered_map<std::string, std::shared_ptr<AstNode>> dictItems;

    AstNode() = default;
    explicit AstNode(AstNodeType t) : type(t) {}
};

struct Operation {
    std::string op;
    std::vector<std::shared_ptr<AstNode>> operands;
};

}