cadmpeg-codec-step 0.5.3

Read and write ISO 10303-21 STEP Part 21 files for AP203, AP214, and AP242.
Documentation 
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// SPDX-License-Identifier: Apache-2.0
//! Failures returned while streaming STEP output.

use cadmpeg_core::CodecError;

/// Failure returned while streaming STEP output.
///
/// Unsupported or reduced IR content appears in [`cadmpeg_ir::report::ExportReport::losses`] after a
/// successful write.
#[derive(Debug, thiserror::Error)]
pub enum StepError {
    /// Strict writing found semantics that would be reduced or omitted.
    #[error("STEP target cannot represent the document without loss: {0}")]
    Unsupported(String),
    /// The output sink rejected a write.
    #[error("failed to write STEP output: {0}")]
    Io(#[from] std::io::Error),
}

impl From<StepError> for CodecError {
    fn from(error: StepError) -> Self {
        match error {
            StepError::Unsupported(message) => Self::NotImplemented(message),
            StepError::Io(error) => Self::Io(error),
        }
    }
}