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#[macro_use]
extern crate serde_derive;

extern crate ommui_file_loading;
extern crate ommui_string_patterns;
extern crate xio_base_datatypes;

use ommui_string_patterns::{freetextstring, idstring, idstring_maybe_empty};
use std::collections::BTreeMap;
use xio_base_datatypes as base;

pub mod filesystem;

pub type InstructionMap = BTreeMap<String, Instruction>;

#[derive(Clone, Serialize, Deserialize, Debug, PartialEq)]
#[serde(rename_all = "camelCase", deny_unknown_fields)]
pub struct Instruction {
    pub code: u16,

    #[serde(with = "freetextstring")]
    pub description: String,

    #[serde(with = "freetextstring", default, skip_serializing_if = "String::is_empty")]
    pub formatstring: String,

    #[serde(default, skip_serializing_if = "Vec::is_empty")]
    pub parameters: Vec<InstructionParameter>,
}

pub enum InstructionCategory {
    CommandWithoutTimeExtent,
    CommandWithTimeExtent,
    Condition,
    Invalid,
}

impl Instruction {
    pub fn category(&self) -> InstructionCategory {
        use std::ops::Shr;
        use InstructionCategory::*;
        match self.code.shr(8) & 0b1111u16 {
            0b0000u16 => CommandWithoutTimeExtent,
            0b0100u16 => CommandWithTimeExtent,
            0b1000u16 => Condition,
            _ => Invalid,
        }
    }
}

#[derive(Clone, Serialize, Deserialize, Debug, PartialEq)]
#[serde(rename_all = "camelCase", deny_unknown_fields)]
pub struct InstructionParameter {
    #[serde(with = "idstring")]
    pub id: String,

    #[serde(with = "idstring_maybe_empty", default, skip_serializing_if = "String::is_empty")]
    pub group: String,

    #[serde(rename = "type")]
    pub parameter_type: Vec<base::DataType>,

    pub storage: base::StorageTypeWithMixed,

    #[serde(with = "freetextstring")]
    pub description: String,
}