97 lines
3.0 KiB
Rust
97 lines
3.0 KiB
Rust
use std::{error, fmt};
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use jsonrpc_core::types::error::Error as JsonRpcError;
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use jsonrpc_core::ErrorCode;
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use linux_embedded_hal::i2cdev::linux::LinuxI2CError;
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#[derive(Debug)]
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pub enum OledError {
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I2CError {
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source: LinuxI2CError,
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},
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InvalidCoordinate {
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coord: String,
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range: String,
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value: i32,
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},
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InvalidFontSize {
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font: String,
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},
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InvalidString {
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len: usize,
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},
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MissingParameter {
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source: JsonRpcError,
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},
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ParseError {
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source: JsonRpcError,
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},
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}
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impl error::Error for OledError {}
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impl fmt::Display for OledError {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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match *self {
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OledError::ParseError { ref source } => {
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write!(f, "Failed to parse parameter: {}", source)
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}
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OledError::MissingParameter { ref source } => {
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write!(f, "Missing expected parameter: {}", source)
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}
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OledError::InvalidString { len } => {
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write!(f, "String length out of range 0-21: {}", len)
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}
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OledError::InvalidFontSize { ref font } => {
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write!(f, "Invalid font size: {}", font)
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}
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OledError::InvalidCoordinate {
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ref coord,
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ref range,
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value,
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} => {
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write!(f, "Coordinate {} out of range {}: {}", coord, range, value)
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}
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OledError::I2CError { ref source } => {
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write!(f, "Failed to create interface for I2C device: {}", source)
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}
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}
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}
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}
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impl From<OledError> for JsonRpcError {
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fn from(err: OledError) -> Self {
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match &err {
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OledError::I2CError { source } => JsonRpcError {
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code: ErrorCode::ServerError(-32000),
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message: format!("Failed to create interface for I2C device: {}", source),
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data: None,
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},
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OledError::InvalidCoordinate {
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coord,
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value,
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range,
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} => JsonRpcError {
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code: ErrorCode::ServerError(-32001),
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message: format!(
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"Validation error: coordinate {} out of range {}: {}",
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coord, range, value
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),
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data: None,
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},
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OledError::InvalidFontSize { font } => JsonRpcError {
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code: ErrorCode::ServerError(-32002),
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message: format!("Validation error: {} is not an accepted font size. Use 6x8, 6x12, 8x16 or 12x16 instead", font),
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data: None,
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},
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OledError::InvalidString { len } => JsonRpcError {
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code: ErrorCode::ServerError(-32003),
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message: format!("Validation error: string length {} out of range 0-21", len),
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data: None,
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},
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OledError::MissingParameter { source } => source.clone(),
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OledError::ParseError { source } => source.clone(),
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}
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}
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}
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