73 lines
2.3 KiB
Rust
73 lines
2.3 KiB
Rust
use std::error;
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use jsonrpc_core::{types::error::Error, ErrorCode};
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use linux_embedded_hal as hal;
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use snafu::Snafu;
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pub type BoxError = Box<dyn error::Error>;
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#[derive(Debug, Snafu)]
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#[snafu(visibility(pub(crate)))]
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pub enum OledError {
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#[snafu(display("Failed to create interface for I2C device: {}", source))]
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I2CError {
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source: hal::i2cdev::linux::LinuxI2CError,
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},
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#[snafu(display("Coordinate {} out of range {}: {}", coord, range, value))]
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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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// TODO: implement for validate() in src/lib.rs
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#[snafu(display("Font size invalid: {}", font))]
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InvalidFontSize { font: String },
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#[snafu(display("String length out of range 0-21: {}", len))]
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InvalidString { len: usize },
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#[snafu(display("Missing expected parameter: {}", e))]
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MissingParameter { e: Error },
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#[snafu(display("Failed to parse parameter: {}", e))]
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ParseError { e: Error },
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}
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impl From<OledError> for Error {
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fn from(err: OledError) -> Self {
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match &err {
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OledError::I2CError { source } => Error {
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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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} => Error {
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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 } => Error {
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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 } => Error {
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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 { e } => e.clone(),
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OledError::ParseError { e } => e.clone(),
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}
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}
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}
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