mimir 0.3.5

Rust bindings over the Oracle Database Programming Interface for Drivers and Applications
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// Copyright (c) 2017 mimir developers
//
// Licensed under the Apache License, Version 2.0
// <LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0> or the MIT
// license <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. All files in the project carrying such notice may not be copied,
// modified, or distributed except according to those terms.

//! This structure is used for returning Oracle version information about the Oracle Client
//! (`get_client_version()`) and Oracle Database (`get_server_version()`).
use odpi::structs::ODPIVersionInfo;
use std::fmt;

/// Wrapper for the `ODPIVersionInfo` structure.
#[derive(Clone, Debug)]
pub struct Info {
    /// The version.
    version: String,
    /// The version number.
    version_num: u32,
    /// The release string.
    release: Option<String>,
}

impl Info {
    /// Get the `version` value.
    pub fn version(&self) -> &str {
        &self.version
    }

    /// Get the `version_num` value.
    pub fn version_num(&self) -> u32 {
        self.version_num
    }

    /// Get the `release` value.
    pub fn release(&self) -> &str {
        if let Some(ref release) = self.release {
            release
        } else {
            ""
        }
    }

    /// Set the `release` value.
    pub fn set_release(&mut self, release: Option<String>) -> &mut Self {
        self.release = release;
        self
    }
}

impl From<ODPIVersionInfo> for Info {
    fn from(ovi: ODPIVersionInfo) -> Self {
        let version = format!(
            "{}.{}.{}.{}.{}",
            ovi.version_num,
            ovi.release_num,
            ovi.update_num,
            ovi.port_release_num,
            ovi.port_update_num
        );
        Self {
            version,
            version_num: ovi.full_version_num,
            release: None,
        }
    }
}

impl fmt::Display for Info {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        write!(f, "{} ({})", self.version, self.version_num)?;

        if let Some(ref release) = self.release {
            write!(f, "{}", release)?;
        }

        Ok(())
    }
}