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//!
//! Wrapper for xmlError
//!
use super::bindings;

use std::ffi::CStr;

/// Wrapper around xmlErrorPtr
#[derive(Debug)]
pub struct StructuredError(*mut bindings::_xmlError);

impl StructuredError {
  /// Wrap around and own a raw xmllib2 error structure
  pub fn from_raw(error: *mut bindings::_xmlError) -> Self {
    Self { 0: error }
  }

  /// Human-readable informative error message
  pub fn message(&self) -> &str {
    let msg = unsafe { CStr::from_ptr((*self.0).message) };

    msg.to_str().unwrap()
  }

  /// Return a raw pointer to the underlying xmlError structure
  pub fn as_ptr(&self) -> *const bindings::_xmlError {
    self.0 // we loose the *mut since we own it
  }
}

impl Drop for StructuredError {
  fn drop(&mut self) {
    unsafe { bindings::xmlResetError(self.0) }
  }
}