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// 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, SBError};
/// A block of data.
#[derive(Debug)]
pub struct SBData {
/// The underlying raw `SBDataRef`.
pub raw: sys::SBDataRef,
}
impl SBData {
/// Construct a new `SBData`.
pub(crate) fn wrap(raw: sys::SBDataRef) -> SBData {
SBData { raw }
}
/// Construct a new `Some(SBData)` or `None`.
pub(crate) fn maybe_wrap(raw: sys::SBDataRef) -> Option<SBData> {
if unsafe { sys::SBDataIsValid(raw) } {
Some(SBData { raw })
} else {
None
}
}
/// Check whether or not this is a valid `SBData` value.
pub fn is_valid(&self) -> bool {
unsafe { sys::SBDataIsValid(self.raw) }
}
/// Get address of the specified offset in this data region
pub fn get_address(&self, offset: sys::lldb_offset_t) -> Result<sys::lldb_addr_t, SBError> {
let error = SBError::default();
let result = unsafe { sys::SBDataGetAddress(self.raw, error.raw, offset) };
if error.is_success() {
Ok(result)
} else {
Err(error)
}
}
/// Reads the data at specified offset to the buffer.
pub fn read_raw_data(
&self,
offset: sys::lldb_offset_t,
buffer: &mut [u8],
) -> Result<(), SBError> {
let error = SBError::default();
unsafe {
sys::SBDataReadRawData(
self.raw,
error.raw,
offset,
buffer.as_mut_ptr() as *mut _,
buffer.len(),
);
}
if error.is_success() {
Ok(())
} else {
Err(error)
}
}
}
impl Clone for SBData {
fn clone(&self) -> SBData {
SBData {
raw: unsafe { sys::CloneSBData(self.raw) },
}
}
}
impl Drop for SBData {
fn drop(&mut self) {
unsafe { sys::DisposeSBData(self.raw) };
}
}
unsafe impl Send for SBData {}
unsafe impl Sync for SBData {}