context.hpp

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// Copyright (c) 2025 [caomengxuan666]
 
#pragma once
 
 
#include <optional>
#include <string>
 
#include "cxxmcp/cancellation.hpp"
#include "cxxmcp/protocol/completion.hpp"
#include "cxxmcp/protocol/prompt.hpp"
#include "cxxmcp/protocol/resource.hpp"
#include "cxxmcp/protocol/task.hpp"
#include "cxxmcp/protocol/tool.hpp"
#include "cxxmcp/server/peer.hpp"
 
namespace mcp::server {
 
using CancellationToken = mcp::CancellationToken;
 
struct ToolContext : SessionContext {
  SessionClient client() const noexcept { return session_client(*this); }
 
  protocol::Json arguments = protocol::Json::object();
  std::optional<protocol::Json> meta;
  std::optional<protocol::TaskRequestParameters> task;
  CancellationToken cancellation;
 
  std::optional<protocol::ProgressToken> progress_token() const {
    if (!meta.has_value()) {
      return std::nullopt;
    }
    return protocol::meta_progress_token(*meta);
  }
 
  bool cancelled() const noexcept { return cancellation.cancelled(); }
};
 
struct PromptContext : SessionContext {
  SessionClient client() const noexcept { return session_client(*this); }
 
  protocol::Json arguments = protocol::Json::object();
  CancellationToken cancellation;
 
  bool cancelled() const noexcept { return cancellation.cancelled(); }
};
 
struct ResourceContext : SessionContext {
  SessionClient client() const noexcept { return session_client(*this); }
 
  std::string uri;
  protocol::Json params = protocol::Json::object();
  CancellationToken cancellation;
 
  bool cancelled() const noexcept { return cancellation.cancelled(); }
};
 
struct CompletionContext : SessionContext {
  protocol::CompleteParams params;
  CancellationToken cancellation;
 
  bool cancelled() const noexcept { return cancellation.cancelled(); }
};
 
}  // namespace mcp::server