vertigo 0.2.0-alpha

Reactive Real-DOM library for Rust
Documentation 
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use crate::{JsValue, DomId};
use super::{panic_message::PanicMessage, arguments::Arguments};

pub struct DomAccess {
    panic_message: PanicMessage,
    arguments: Arguments,
    fn_dom_access: fn(ptr: u32, size: u32) -> u32,
    builder: Vec<JsValue>,
}

impl DomAccess {
    #[must_use]
    pub fn new(panic_message: PanicMessage, arguments: Arguments, fn_dom_access: fn(ptr: u32, size: u32) -> u32) -> DomAccess {
        DomAccess {
            panic_message,
            fn_dom_access,
            arguments,
            builder: Vec::new(),
        }
    }

    #[must_use]
    pub fn api(mut self) -> Self {
        self.builder.push(JsValue::List(vec!(
            JsValue::str("api")
        )));

        self
    }

    #[must_use]
    pub fn element(mut self, dom_id: DomId) -> Self {
        self.builder.push(JsValue::List(vec!(
            JsValue::str("root"),
            JsValue::U64(dom_id.to_u64())
        )));

        self
    }

    #[must_use]
    pub fn root(mut self, name: impl Into<String>) -> Self {
        self.builder.push(JsValue::List(vec!(
            JsValue::str("root"),
            JsValue::str(name)
        )));

        self
    }

    #[must_use]
    pub fn get(mut self, name: impl Into<String>) -> Self {
        self.builder.push(JsValue::List(vec!(
            JsValue::str("get"),
            JsValue::str(name)
        )));

        self
    }

    #[must_use]
    pub fn set(mut self, name: impl Into<String>, value: JsValue) -> Self {
        self.builder.push(JsValue::List(vec!(
            JsValue::str("set"),
            JsValue::str(name),
            value
        )));

        self
    }

    #[must_use]
    pub fn call(mut self, name: impl Into<String>, params: Vec<JsValue>) -> Self {
        let mut value_params = vec!(
            JsValue::str("call"),
            JsValue::str(name),
        );

        value_params.extend(params.into_iter());

        self.builder.push(JsValue::List(value_params));
        self
    }

    #[must_use]
    pub fn get_props(mut self, props: &[&str]) -> Self {
        let mut new_params = vec!(
            JsValue::str("get_props"),
        );

        new_params.extend(props
            .iter()
            .map(|item| JsValue::String(item.to_string()))
        );

        self.builder.push(JsValue::List(new_params));
        self
    }

    pub fn exec(self) {
        let panic_message = self.panic_message;

        let result = self.fetch();

        if let JsValue::Undefined = result {
            //ok
        } else {
            let message = format!("Expected undefined dump={result:?}");
            panic_message.show(message);
        }
    }

    #[must_use]
    pub fn fetch(self) -> JsValue {
        let memory = JsValue::List(self.builder).to_snapshot();
        let (ptr, size) = memory.get_ptr_and_size();

        let result_ptr = (self.fn_dom_access)(ptr, size);
        self.arguments.get_by_ptr(result_ptr)
    }
}