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build.rs
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build.rs
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use bindgen::callbacks::{DeriveInfo, ParseCallbacks, TypeKind};
use std::{env, path::PathBuf};
const MODEM_MANAGER_PATH: &str = "MODEM_MANAGER_PATH";
#[derive(Debug)]
struct NumDerives {}
impl ParseCallbacks for NumDerives {
fn add_derives(&self, info: &DeriveInfo<'_>) -> Vec<String> {
if info.kind == TypeKind::Enum {
vec!["FromPrimitive".to_string()]
} else {
vec![]
}
}
}
#[derive(Debug)]
struct ZbusDerives {}
impl ParseCallbacks for ZbusDerives {
fn add_derives(&self, info: &DeriveInfo<'_>) -> Vec<String> {
let mut derives = vec![
"Deserialize".to_string(),
"Serialize".to_string(),
"Type".to_string(),
];
// Value and OwnedValue don't support negative enum variants, these
// conversions are implemented manually.
if info.name != "MMModemState" && info.name != "MMOmaSessionState" {
derives.extend_from_slice(&["Value".to_string(), "OwnedValue".to_string()]);
}
derives
}
}
// create rust types from modem manager constants
fn create_modem_manager_types() {
let include_paths = match env::var(MODEM_MANAGER_PATH) {
Ok(path) => vec![PathBuf::from(format!("{}/include", path))],
Err(_) => {
let lib = pkg_config::Config::new().probe("ModemManager").unwrap();
lib.include_paths
}
};
println!("cargo:rerun-if-changed=wrapper.h");
println!("cargo:rerun-if-changed=build.rs");
println!("cargo:rerun-if-env-changed=MODEM_MANAGER_PATH");
let mut bindings_builder = bindgen::Builder::default()
.header("wrapper.h")
.clang_args(
include_paths
.iter()
.map(|path| format!("-I{}", path.to_string_lossy())),
)
// bitfield enum types, i.e., flag types that support bitwise or
.bitfield_enum("MMBearerAllowedAuth")
.bitfield_enum("MMBearerApnType")
.bitfield_enum("MMBearerIpFamily")
.bitfield_enum("MMBearerRoamingAllowance")
.bitfield_enum("MMModem3gppFacility")
.bitfield_enum("MMModemAccessTechnology")
.bitfield_enum("MMModemCapability")
.bitfield_enum("MMModemFirmwareUpdateMethod")
.bitfield_enum("MMModemLocationSource")
.bitfield_enum("MMModemMode")
.bitfield_enum("MMOmaFeature")
// true enum types, i.e., types that are either one thing, or another thing
.rustified_enum("MMBearerAccessTypePreference")
.rustified_enum("MMBearerIpMethod")
.rustified_enum("MMBearerMultiplexSupport")
.rustified_enum("MMBearerProfileSource")
.rustified_enum("MMBearerType")
.rustified_enum("MMCallDirection")
.rustified_enum("MMCallState")
.rustified_enum("MMCallStateReason")
.rustified_enum("MMCdmaActivationError")
.rustified_enum("MMCellType")
.rustified_enum("MMConnectionError")
.rustified_enum("MMCoreError")
.rustified_enum("MMFirmwareImageType")
.rustified_enum("MMMessageError")
.rustified_enum("MMMobileEquipmentError")
.rustified_enum("MMModem3gppDrxCycle")
.rustified_enum("MMModem3gppEpsUeModeOperation")
.rustified_enum("MMModem3gppMicoMode")
.rustified_enum("MMModem3gppNetworkAvailability")
.rustified_enum("MMModem3gppPacketServiceState")
.rustified_enum("MMModem3gppRegistrationState")
.rustified_enum("MMModem3gppSubscriptionState")
.rustified_enum("MMModem3gppUssdSessionState")
.rustified_enum("MMModemBand")
.rustified_enum("MMModemCdmaActivationState")
.rustified_enum("MMModemCdmaRegistrationState")
.rustified_enum("MMModemCdmaRmProtocol")
.rustified_enum("MMModemContactsStorage")
.rustified_enum("MMModemLocationAssistanceDataType")
.rustified_enum("MMModemLock")
.rustified_enum("MMModemPortType")
.rustified_enum("MMModemPowerState")
.rustified_enum("MMModemState")
.rustified_enum("MMModemStateChangeReason")
.rustified_enum("MMModemStateFailedReason")
.rustified_enum("MMOmaSessionState")
.rustified_enum("MMOmaSessionStateFailedReason")
.rustified_enum("MMOmaSessionType")
.rustified_enum("MMSerialError")
.rustified_enum("MMSimEsimStatus")
.rustified_enum("MMSimRemovability")
.rustified_enum("MMSimType")
.rustified_enum("MMSmsCdmaServiceCategory")
.rustified_enum("MMSmsCdmaTeleserviceId")
.rustified_enum("MMSmsDeliveryState")
.rustified_enum("MMSmsPduType")
.rustified_enum("MMSmsState")
.rustified_enum("MMSmsStorage")
.rustified_enum("MMSmsValidityType")
.parse_callbacks(Box::new(NumDerives {}));
if cfg!(feature = "zbus") {
bindings_builder = bindings_builder.parse_callbacks(Box::new(ZbusDerives {}));
}
let bindings = bindings_builder
.generate()
.expect("unable to generate bindings");
// write bindings to the $OUT_DIR/bindings.rs
let out_path = PathBuf::from(env::var("OUT_DIR").unwrap());
bindings
.write_to_file(out_path.join("bindings.rs"))
.expect("Couldn't write bindings!");
}
fn main() {
create_modem_manager_types();
}