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use crate::ffi::{
error_get_error_code, error_get_message, error_release, AZAC_HANDLE, SPX_NOERROR,
};
use std::ffi::{CStr, NulError};
use std::num::TryFromIntError;
use std::result;
use std::str::Utf8Error;
use std::string::FromUtf8Error;
#[derive(Debug)]
pub enum ErrorRootCause {
ApiError(usize),
FfiNulError(NulError),
InvalidCString,
FromUtf8Error(FromUtf8Error),
Utf8Error(Utf8Error),
TryFromIntError(TryFromIntError),
}
#[derive(Debug)]
pub struct Error {
pub message: String,
pub caused_by: ErrorRootCause,
}
impl Error {
pub fn new(message: String, caused_by: ErrorRootCause) -> Self {
Error { message, caused_by }
}
pub fn api_error_desc(error_root_cause: &ErrorRootCause) -> Option<String> {
match error_root_cause {
ErrorRootCause::ApiError(api_code) => {
let api_result_desc = match api_code {
0x000 => "SPX_NOERROR",
0xfff => "SPXERR_NOT_IMPL",
0x001 => "SPXERR_UNINITIALIZED",
0x002 => "SPXERR_ALREADY_INITIALIZED",
0x003 => "SPXERR_UNHANDLED_EXCEPTION",
0x004 => "SPXERR_NOT_FOUND",
0x005 => "SPXERR_INVALID_ARG",
0x006 => "SPXERR_TIMEOUT",
0x007 => "SPXERR_ALREADY_IN_PROGRESS",
0x008 => "SPXERR_FILE_OPEN_FAILED",
0x009 => "SPXERR_UNEXPECTED_EOF",
0x00a => "SPXERR_INVALID_HEADER",
0x00b => "SPXERR_AUDIO_IS_PUMPING",
0x00c => "SPXERR_UNSUPPORTED_FORMAT",
0x00d => "SPXERR_ABORT",
0x00e => "SPXERR_MIC_NOT_AVAILABLE",
0x00f => "SPXERR_INVALID_STATE",
0x010 => "SPXERR_UUID_CREATE_FAILED",
0x011 => "SPXERR_SETFORMAT_UNEXPECTED_STATE_TRANSITION",
0x012 => "SPXERR_PROCESS_AUDIO_INVALID_STATE",
0x013 => "SPXERR_START_RECOGNIZING_INVALID_STATE_TRANSITION",
0x014 => "SPXERR_UNEXPECTED_CREATE_OBJECT_FAILURE",
0x015 => "SPXERR_MIC_ERROR",
0x016 => "SPXERR_NO_AUDIO_INPUT",
0x017 => "SPXERR_UNEXPECTED_USP_SITE_FAILURE",
0x018 => "SPXERR_UNEXPECTED_UNIDEC_SITE_FAILURE",
0x019 => "SPXERR_BUFFER_TOO_SMALL",
0x01A => "SPXERR_OUT_OF_MEMORY",
0x01B => "SPXERR_RUNTIME_ERROR",
0x01C => "SPXERR_INVALID_URL",
0x01D => "SPXERR_INVALID_REGION",
0x01E => "SPXERR_SWITCH_MODE_NOT_ALLOWED",
0x01F => "SPXERR_CHANGE_CONNECTION_STATUS_NOT_ALLOWED",
0x020 => "SPXERR_EXPLICIT_CONNECTION_NOT_SUPPORTED_BY_RECOGNIZER",
0x021 => "SPXERR_INVALID_HANDLE",
0x022 => "SPXERR_INVALID_RECOGNIZER",
0x023 => "SPXERR_OUT_OF_RANGE",
0x024 => "SPXERR_EXTENSION_LIBRARY_NOT_FOUND",
0x025 => "SPXERR_UNEXPECTED_TTS_ENGINE_SITE_FAILURE",
0x026 => "SPXERR_UNEXPECTED_AUDIO_OUTPUT_FAILURE",
0x027 => "SPXERR_GSTREAMER_INTERNAL_ERROR",
0x028 => "SPXERR_CONTAINER_FORMAT_NOT_SUPPORTED_ERROR",
0x029 => "SPXERR_GSTREAMER_NOT_FOUND_ERROR",
0x02A => "SPXERR_INVALID_LANGUAGE",
0x02B => "SPXERR_UNSUPPORTED_API_ERROR",
0x02C => "SPXERR_RINGBUFFER_DATA_UNAVAILABLE",
0x030 => "SPXERR_UNEXPECTED_CONVERSATION_SITE_FAILURE",
0x031 => "SPXERR_UNEXPECTED_CONVERSATION_TRANSLATOR_SITE_FAILURE",
0x032 => "SPXERR_CANCELED",
_ => "UNKNOWN SPXERR",
};
Some(api_result_desc.to_owned())
}
_ => None,
}
}
}
pub type Result<T> = result::Result<T, Error>;
#[inline(always)]
pub fn convert_err(hr: usize, err_msg: &str) -> Result<()> {
if hr != SPX_NOERROR as usize {
unsafe {
let error_handle = hr as AZAC_HANDLE;
let code = error_get_error_code(error_handle);
let message = CStr::from_ptr(error_get_message(error_handle))
.to_str()
.unwrap_or("");
error_release(error_handle);
Err(Error::new(
err_msg.to_string() + ": " + message,
ErrorRootCause::ApiError(code),
))
}
} else {
Ok(())
}
}
impl From<NulError> for Error {
fn from(error: NulError) -> Error {
Error {
message: format!("std::ffi::NulError: {}", error),
caused_by: ErrorRootCause::FfiNulError(error),
}
}
}
impl From<FromUtf8Error> for Error {
fn from(error: FromUtf8Error) -> Error {
Error {
message: format!("std::string::FromUtf8Error: {}", error),
caused_by: ErrorRootCause::FromUtf8Error(error),
}
}
}
impl From<Utf8Error> for Error {
fn from(error: Utf8Error) -> Error {
Error {
message: format!("std::str::Utf8Error: {}", error),
caused_by: ErrorRootCause::Utf8Error(error),
}
}
}
impl From<TryFromIntError> for Error {
fn from(error: TryFromIntError) -> Error {
Error {
message: format!("std::num::TryFromIntError: {}", error),
caused_by: ErrorRootCause::TryFromIntError(error),
}
}
}