lldb 0.0.11

Rust-like bindings to the public LLDB API. LLDB is the debugger from the LLVM project and is the system debugger on macOS.
Documentation
// 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. This file may not be copied, modified, or distributed
// except according to those terms.

use crate::{sys, SBStream};
use std::ffi::CStr;
use std::fmt;

/// A file specification that divides the path into a
/// directory and basename.
///
/// The string values of the paths are put into uniqued string pools
/// for fast comparisons and efficient memory usage.
pub struct SBFileSpec {
    /// The underlying raw `SBFileSpecRef`.
    pub raw: sys::SBFileSpecRef,
}

impl SBFileSpec {
    /// Construct a new `SBFileSpec`.
    pub(crate) fn wrap(raw: sys::SBFileSpecRef) -> SBFileSpec {
        SBFileSpec { raw }
    }

    /// Construct a new `Some(SBFileSpec)` or `None`.
    pub(crate) fn maybe_wrap(raw: sys::SBFileSpecRef) -> Option<SBFileSpec> {
        if unsafe { sys::SBFileSpecIsValid(raw) } {
            Some(SBFileSpec { raw })
        } else {
            None
        }
    }

    /// Check whether or not this is a valid `SBFileSpec` value.
    pub fn is_valid(&self) -> bool {
        unsafe { sys::SBFileSpecIsValid(self.raw) }
    }

    /// Does this file exist?
    pub fn exists(&self) -> bool {
        unsafe { sys::SBFileSpecExists(self.raw) }
    }

    /// The path file name.
    pub fn filename(&self) -> &str {
        unsafe {
            match CStr::from_ptr(sys::SBFileSpecGetFilename(self.raw)).to_str() {
                Ok(s) => s,
                _ => panic!("Invalid string?"),
            }
        }
    }

    /// The path directory name.
    pub fn directory(&self) -> &str {
        unsafe {
            match CStr::from_ptr(sys::SBFileSpecGetDirectory(self.raw)).to_str() {
                Ok(s) => s,
                _ => panic!("Invalid string?"),
            }
        }
    }
}

impl Clone for SBFileSpec {
    fn clone(&self) -> SBFileSpec {
        SBFileSpec {
            raw: unsafe { sys::CloneSBFileSpec(self.raw) },
        }
    }
}

impl fmt::Debug for SBFileSpec {
    fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
        let stream = SBStream::new();
        unsafe { sys::SBFileSpecGetDescription(self.raw, stream.raw) };
        write!(fmt, "SBFileSpec {{ {} }}", stream.data())
    }
}

impl Drop for SBFileSpec {
    fn drop(&mut self) {
        unsafe { sys::DisposeSBFileSpec(self.raw) };
    }
}

unsafe impl Send for SBFileSpec {}
unsafe impl Sync for SBFileSpec {}

#[cfg(feature = "graphql")]
#[graphql_object]
impl SBFileSpec {
    fn exists() -> bool {
        self.exists()
    }

    fn filename() -> &str {
        self.filename()
    }

    fn directory() -> &str {
        self.directory()
    }
}