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container: plugins: root: example: support Pluggable entrypoint

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Aaron Fiore
2026-01-08 14:26:09 -08:00
parent 8a277485ba
commit 31054b86ea
1 changed files with 64 additions and 49 deletions
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113
container/plugins/root/example/example.cc
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@@ -1,6 +1,6 @@
// docker-finance | modern accounting for the power-user
//
// Copyright (C) 2024-2025 Aaron Fiore (Founder, Evergreen Crypto LLC)
// Copyright (C) 2024-2026 Aaron Fiore (Founder, Evergreen Crypto LLC)
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
@@ -41,64 +41,79 @@ namespace dfi::plugin
//! \since docker-finance 1.1.0
namespace example
{
//! \brief Example auto-loader
//! \param arg String to pass to auto-loader (use-case is plugin-implementation defined)
void load(const std::string& arg = {})
//! \brief Pluggable entrypoint
//! \ingroup cpp_plugin_impl
//! \since docker-finance 1.1.0
class example_cc
{
namespace plugin = ::dfi::plugin;
namespace common = ::dfi::common;
public:
example_cc() = default;
~example_cc() = default;
// Any code can follow here: run example functions, etc.
//
// For this example:
//
// 1. Load needed requirements for this plugin's impl
// 2. Get absolute path of plugin's impl and then load
//
const std::string src{common::get_root_path() + "src/"};
common::load(src + "hash.hh");
common::load(src + "random.hh");
// ...add as needed
example_cc(const example_cc&) = default;
example_cc& operator=(const example_cc&) = default;
plugin::common::PluginPath path("repo/example/internal/example.cc");
common::load(path.absolute());
example_cc(example_cc&&) = default;
example_cc& operator=(example_cc&&) = default;
// For this example, expect and pass a line of code to the interpreter after loading
// NOTE: the following arg code can utilize any code that was loaded/interpreted in load()
if (!arg.empty())
common::line(arg);
}
public:
//! \brief Example auto-loader
//! \param arg String to pass to auto-loader (use-case is plugin-implementation defined)
static void load(const std::string& arg = {})
{
namespace plugin = ::dfi::plugin;
namespace common = ::dfi::common;
//! \brief Example auto-unloader
//! \param arg String to pass to auto-unloader (use-case is plugin-implementation defined)
void unload(const std::string& arg = {})
{
namespace plugin = ::dfi::plugin;
namespace common = ::dfi::common;
// Any code can follow here: run example functions, etc.
//
// For this example:
//
// 1. Load needed requirements for this plugin's impl
// 2. Get absolute path of plugin's impl and then load
//
const std::string src{common::get_root_path() + "src/"};
common::load(src + "hash.hh");
common::load(src + "random.hh");
// ...add as needed
// For this example, expect and pass a line of code to the interpreter before unloading.
// NOTE: the following arg code can utilize any code that was previously loaded/interpreted
if (!arg.empty())
common::line(arg);
plugin::common::PluginPath path("repo/example/internal/example.cc");
common::load(path.absolute());
// Any code can follow here: run example functions, etc.
//
// For this example:
//
// 1. Unload needed requirements for this plugin's impl
// 2. Get absolute path of plugin's impl and then unload
//
const std::string src{common::get_root_path() + "src/"};
common::unload(src + "hash.hh");
common::unload(src + "random.hh");
// ...add as needed
// For this example, expect and pass a line of code to the interpreter after loading
// NOTE: the following arg code can utilize any code that was loaded/interpreted in load()
if (!arg.empty())
common::line(arg);
}
plugin::common::PluginPath path("repo/example/internal/example.cc");
common::unload(path.absolute());
}
//! \brief Example auto-unloader
//! \param arg String to pass to auto-unloader (use-case is plugin-implementation defined)
static void unload(const std::string& arg = {})
{
namespace plugin = ::dfi::plugin;
namespace common = ::dfi::common;
// NOTE: to auto-reload this plugin, load()/unload() here or utilize one of the `dfi::plugin::reload()` functions.
// For this example, expect and pass a line of code to the interpreter before unloading.
// NOTE: the following arg code can utilize any code that was previously loaded/interpreted
if (!arg.empty())
common::line(arg);
// Any code can follow here: run example functions, etc.
//
// For this example:
//
// 1. Unload needed requirements for this plugin's impl
// 2. Get absolute path of plugin's impl and then unload
//
const std::string src{common::get_root_path() + "src/"};
common::unload(src + "hash.hh");
common::unload(src + "random.hh");
// ...add as needed
plugin::common::PluginPath path("repo/example/internal/example.cc");
common::unload(path.absolute());
}
// NOTE: to auto-reload this plugin, load()/unload() here or utilize one of the `dfi::plugin::reload()` functions.
};
} // namespace example
} // namespace dfi::plugin