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use crate::bindings as ll_bindings;
use crate::metadata;
use crate::{tsk_id_t, tsk_size_t, TskitError};
/// An immutable view of site table.
///
/// These are not created directly.
/// Instead, use [`TableCollection::mutations`](crate::TableCollection::mutations)
/// to get a reference to an existing mutation table;
pub struct MutationTable<'a> {
table_: &'a ll_bindings::tsk_mutation_table_t,
}
impl<'a> MutationTable<'a> {
pub(crate) fn new_from_table(mutations: &'a ll_bindings::tsk_mutation_table_t) -> Self {
MutationTable { table_: mutations }
}
/// Return the number of rows.
pub fn num_rows(&'a self) -> tsk_size_t {
self.table_.num_rows
}
/// Return the ``site`` value from row ``row`` of the table.
///
/// # Errors
///
/// Will return [``IndexError``](crate::TskitError::IndexError)
/// if ``row`` is out of range.
pub fn site(&'a self, row: tsk_id_t) -> Result<tsk_id_t, TskitError> {
unsafe_tsk_column_access!(row, 0, self.num_rows(), self.table_.site)
}
/// Return the ``node`` value from row ``row`` of the table.
///
/// # Errors
///
/// Will return [``IndexError``](crate::TskitError::IndexError)
/// if ``row`` is out of range.
pub fn node(&'a self, row: tsk_id_t) -> Result<tsk_id_t, TskitError> {
unsafe_tsk_column_access!(row, 0, self.num_rows(), self.table_.node)
}
/// Return the ``parent`` value from row ``row`` of the table.
///
/// # Errors
///
/// Will return [``IndexError``](crate::TskitError::IndexError)
/// if ``row`` is out of range.
pub fn parent(&'a self, row: tsk_id_t) -> Result<tsk_id_t, TskitError> {
unsafe_tsk_column_access!(row, 0, self.num_rows(), self.table_.parent)
}
/// Return the ``time`` value from row ``row`` of the table.
///
/// # Errors
///
/// Will return [``IndexError``](crate::TskitError::IndexError)
/// if ``row`` is out of range.
pub fn time(&'a self, row: tsk_id_t) -> Result<f64, TskitError> {
unsafe_tsk_column_access!(row, 0, self.num_rows(), self.table_.time)
}
/// Get the ``derived_state`` value from row ``row`` of the table.
///
/// # Return
///
/// Will return `None` if there is no derived state.
///
/// # Errors
///
/// Will return [``IndexError``](crate::TskitError::IndexError)
/// if ``row`` is out of range.
pub fn derived_state(&'a self, row: tsk_id_t) -> Result<Option<Vec<u8>>, TskitError> {
metadata::char_column_to_vector(
self.table_.derived_state,
self.table_.derived_state_offset,
row,
self.table_.num_rows,
self.table_.derived_state_length,
)
}
pub fn metadata<T: metadata::MetadataRoundtrip>(
&'a self,
row: tsk_id_t,
) -> Result<Option<T>, TskitError> {
let buffer = metadata_to_vector!(T, self, row);
decode_metadata_row!(T, buffer)
}
}