LCOV - code coverage report
Current view: top level - compute_tools/src/bin/fast_import - s3_uri.rs (source / functions) Coverage Total Hit
Test: 6df3fc19ec669bcfbbf9aba41d1338898d24eaa0.info Lines: 0.0 % 45 0
Test Date: 2025-03-12 18:28:53 Functions: 0.0 % 6 0

            Line data    Source code
       1              : use std::str::FromStr;
       2              : 
       3              : use anyhow::Result;
       4              : 
       5              : /// Struct to hold parsed S3 components
       6              : #[derive(Debug, Clone, PartialEq, Eq)]
       7              : pub struct S3Uri {
       8              :     pub bucket: String,
       9              :     pub key: String,
      10              : }
      11              : 
      12              : impl FromStr for S3Uri {
      13              :     type Err = anyhow::Error;
      14              : 
      15              :     /// Parse an S3 URI into a bucket and key
      16            0 :     fn from_str(uri: &str) -> Result<Self> {
      17            0 :         // Ensure the URI starts with "s3://"
      18            0 :         if !uri.starts_with("s3://") {
      19            0 :             return Err(anyhow::anyhow!("Invalid S3 URI scheme"));
      20            0 :         }
      21            0 : 
      22            0 :         // Remove the "s3://" prefix
      23            0 :         let stripped_uri = &uri[5..];
      24              : 
      25              :         // Split the remaining string into bucket and key parts
      26            0 :         if let Some((bucket, key)) = stripped_uri.split_once('/') {
      27            0 :             Ok(S3Uri {
      28            0 :                 bucket: bucket.to_string(),
      29            0 :                 key: key.to_string(),
      30            0 :             })
      31              :         } else {
      32            0 :             Err(anyhow::anyhow!(
      33            0 :                 "Invalid S3 URI format, missing bucket or key"
      34            0 :             ))
      35              :         }
      36            0 :     }
      37              : }
      38              : 
      39              : impl S3Uri {
      40            0 :     pub fn append(&self, suffix: &str) -> Self {
      41            0 :         Self {
      42            0 :             bucket: self.bucket.clone(),
      43            0 :             key: format!("{}{}", self.key, suffix),
      44            0 :         }
      45            0 :     }
      46              : }
      47              : 
      48              : impl std::fmt::Display for S3Uri {
      49            0 :     fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
      50            0 :         write!(f, "s3://{}/{}", self.bucket, self.key)
      51            0 :     }
      52              : }
      53              : 
      54              : impl clap::builder::TypedValueParser for S3Uri {
      55              :     type Value = Self;
      56              : 
      57            0 :     fn parse_ref(
      58            0 :         &self,
      59            0 :         _cmd: &clap::Command,
      60            0 :         _arg: Option<&clap::Arg>,
      61            0 :         value: &std::ffi::OsStr,
      62            0 :     ) -> Result<Self::Value, clap::Error> {
      63            0 :         let value_str = value.to_str().ok_or_else(|| {
      64            0 :             clap::Error::raw(
      65            0 :                 clap::error::ErrorKind::InvalidUtf8,
      66            0 :                 "Invalid UTF-8 sequence",
      67            0 :             )
      68            0 :         })?;
      69            0 :         S3Uri::from_str(value_str).map_err(|e| {
      70            0 :             clap::Error::raw(
      71            0 :                 clap::error::ErrorKind::InvalidValue,
      72            0 :                 format!("Failed to parse S3 URI: {}", e),
      73            0 :             )
      74            0 :         })
      75            0 :     }
      76              : }
        

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