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use crate::compiler::structure::Structure;

use crate::compiler::util::types::{Name, TypePathMap};

use crate::gen::base::map::{DefaultTypeMapper, TypePathMapper};

use crate::gen::base::structure::{generate, Templates};

use crate::gen::rust::util::RustUtils;

use crate::gen::template::hook::{Fragment, TemplateHooks};

use crate::gen::template::{Options, Template};

use crate::gen::RustParams;

const STRUCT_TEMPLATE: &[u8] = include_bytes!("core.template");

const STRUCT_FIELD_TEMPLATE: &[u8] = include_bytes!("field.template");

const STRUCT_BITS_TEMPLATE: &[u8] = include_bytes!("bin.template");

const STRUCT_RAW_TEMPLATE: &[u8] = include_bytes!("raw.template");

pub fn gen_structure_decl(s: &Structure, type_path_map: &TypePathMap, params: &RustParams) -> String {

    let mut options = Options::default();

    if params.disable_read.contains(s.name()) {

  Branch (45:8): [True: 0, False: 59]

  Branch (45:8): [Folded - Ignored]

        options.disable("from_bytes").disable("getters");

    }

    if params.disable_write.contains(s.name()) {

  Branch (48:8): [True: 0, False: 59]

  Branch (48:8): [Folded - Ignored]

        options.disable("write_to").disable("write_to_async").disable("setters");

    }

    let templates = Templates {

        template: Template::compile_with_options(STRUCT_TEMPLATE, &options).unwrap(),

        field_template: Template::compile_with_options(STRUCT_FIELD_TEMPLATE, &options).unwrap(),

        bits_template: Template::compile_with_options(STRUCT_BITS_TEMPLATE, &options).unwrap(),

        raw_template: Template::compile_with_options(STRUCT_RAW_TEMPLATE, &options).unwrap(),

    };

    let mut hooks = TemplateHooks::new();

    if params.enable_write_async {

  Branch (58:8): [True: 11, False: 48]

  Branch (58:8): [Folded - Ignored]

        hooks.hook("ext", Fragment::new("", &["write_to_async"]));

    }

    if s.is_used_in_header() || 
params.enable_struct_to_mut54
 {

  Branch (61:8): [True: 5, False: 54]
  Branch (61:33): [True: 0, False: 54]

  Branch (61:8): [Folded - Ignored]
  Branch (61:33): [Folded - Ignored]

        hooks.hook("ext", Fragment::new("", &["to_mut"]));

    }

    if s.is_used_in_header() || 
params.enable_struct_dupe.contains(s.name())54
 {

  Branch (64:8): [True: 5, False: 54]
  Branch (64:33): [True: 1, False: 53]

  Branch (64:8): [Folded - Ignored]
  Branch (64:33): [Folded - Ignored]

        hooks.hook("ext", Fragment::new("", &["dupe"]));

    }

    generate::<RustUtils, _>(

        templates,

        s,

        &TypePathMapper::new(type_path_map, DefaultTypeMapper),

        &hooks,

    )

}

#[cfg(test)]

mod tests {

    use crate::gen::rust::structure::STRUCT_TEMPLATE;

    use crate::gen::template::Template;

    #[test]

    fn test_template_render() {

        let mut template = Template::compile(STRUCT_TEMPLATE).unwrap();

        template.var("name", "Test").var("struct_description", "");

        let code = template.render("", &["decl"]).unwrap();

        assert_eq!(

            &*code,

            "/// Definition for the Test structure.

///

/// 

#[derive(Copy, Clone, Default, Debug)]

pub struct Test<T> {

    raw: RawTest<T>

}

"

        )

    }

}