diff options
Diffstat (limited to 'docs/pages/2-basic/2-setup.md')
| -rw-r--r-- | docs/pages/2-basic/2-setup.md | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/docs/pages/2-basic/2-setup.md b/docs/pages/2-basic/2-setup.md new file mode 100644 index 0000000..8dbdd76 --- /dev/null +++ b/docs/pages/2-basic/2-setup.md @@ -0,0 +1,169 @@ +<h1 align="center">Setup</h1> +<p align="center"> + Mingling's Basic Components +</p> + +--- + +## Usage + +`Setup` is used to organize and package the initialization process of a `Program`, making the project easier to manage. It is defined as follows: + +```rust +struct MySetup; +impl ProgramSetup<ThisProgram, ThisProgram> + for MySetup +{ + fn setup( + &mut self, + program: &mut Program<ThisProgram, ThisProgram> + ) { + // Your setup logic + } +} +``` + +For example: + +```rust +use std::{env::current_dir, path::PathBuf}; + +use mingling::{ + Program, + macros::{dispatcher, gen_program, renderer}, + setup::ProgramSetup, +}; + +// Global state +static OUTPUT_PATH: std::sync::OnceLock<PathBuf> + = std::sync::OnceLock::new(); + +#[tokio::main] +async fn main() { + let mut program = ThisProgram::new(); + program.with_setup(MySetup); + program.exec().await; +} + +// Define two Dispatchers using `dispatcher!` +dispatcher!("member.add", + AddMemberCommand => AddMemberEntry); +dispatcher!("member.rm", + RemoveMemberCommand => RemoveMemberEntry); + +struct MySetup; +impl ProgramSetup<ThisProgram, ThisProgram> for MySetup { + fn setup( + &mut self, program: &mut Program<ThisProgram, ThisProgram> + ) { + // Register Dispatchers + program.with_dispatcher(AddMemberCommand); + program.with_dispatcher(RemoveMemberCommand); + + // Initialize global output once + OUTPUT_PATH.get_or_init(|| current_dir().unwrap()); + + // Pick the "--quiet" or "-q" flag + program.global_flag(["--quiet", "-q"], |p| { + // Disable render output + p.stdout_setting.render_output = false; + }); + + // Pick the "--output" or "-O" flag, write to output + program.global_argument(["--output", "-O"], |_, v| { + let _ = OUTPUT_PATH.set(PathBuf::from(v)); + }); + } +} + +// Define empty renderer types to give the two types type IDs + +#[renderer] +fn phantom_renderer_add_member( + _prev: AddMemberEntry +) {} + +#[renderer] +fn phantom_renderer_remove_member( + _prev: RemoveMemberEntry +) {} + +gen_program!(); +``` + +## Simplified Syntax + +If you find the above declaration method too **verbose**, you can use the `program_setup!` macro to simplify it. The format is: + +```rust +#[program_setup] +fn my_setup( + program: &mut Program<ThisProgram, ThisProgram> +) { + // Your setup logic +} +``` + +For example: + +```rust +use std::{env::current_dir, path::PathBuf}; + +use mingling::{ + Program, + macros::{ + dispatcher, + gen_program, + program_setup, + renderer + }, +}; + +static OUTPUT_PATH: std::sync::OnceLock<PathBuf> + = std::sync::OnceLock::new(); + +#[tokio::main] +async fn main() { + let mut program = ThisProgram::new(); + program.with_setup(MySetup); + program.exec().await; +} + +dispatcher!("member.add", + AddMemberCommand => AddMemberEntry); +dispatcher!("member.rm", + RemoveMemberCommand => RemoveMemberEntry); + +#[program_setup] +fn my_setup( + program: &mut Program<ThisProgram, ThisProgram> +) { + program.with_dispatcher(AddMemberCommand); + program.with_dispatcher(RemoveMemberCommand); + + OUTPUT_PATH.get_or_init(|| current_dir().unwrap()); + + program.global_flag(["--quiet", "-q"], |p| { + p.stdout_setting.render_output = false; + }); + + program.global_argument(["--output", "-O"], |_, v| { + let _ = OUTPUT_PATH.set(PathBuf::from(v)); + }); +} + +#[renderer] +fn phantom_renderer_add_member( + _prev: AddMemberEntry +) {} + +#[renderer] +fn phantom_renderer_remove_member( + _prev: RemoveMemberEntry +) {} + +gen_program!(); +``` + +## 💡 Next Page +> **Basic Component** - Dispatcher [Go](./pages/2-basic/3-dispatcher) |
