use std::{
fmt::{self, Debug},
ops::Deref,
result::Result as StdResult,
};
use serde::{Deserialize, Deserializer, Serialize, Serializer};
use crate::{
Result,
util::bitvec::BitVec,
value::{Value, row_number::RowNumber, value_type::ValueType},
};
pub struct RowNumberContainer {
data: Vec<RowNumber>,
}
impl Clone for RowNumberContainer {
fn clone(&self) -> Self {
Self {
data: self.data.clone(),
}
}
}
impl Debug for RowNumberContainer {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
f.debug_struct("RowNumberContainer").field("data", &self.data).finish()
}
}
impl PartialEq for RowNumberContainer {
fn eq(&self, other: &Self) -> bool {
self.data == other.data
}
}
impl Serialize for RowNumberContainer {
fn serialize<Ser: Serializer>(&self, serializer: Ser) -> StdResult<Ser::Ok, Ser::Error> {
#[derive(Serialize)]
struct Helper<'a> {
data: &'a Vec<RowNumber>,
}
Helper {
data: &self.data,
}
.serialize(serializer)
}
}
impl<'de> Deserialize<'de> for RowNumberContainer {
fn deserialize<D: Deserializer<'de>>(deserializer: D) -> StdResult<Self, D::Error> {
#[derive(Deserialize)]
struct Helper {
data: Vec<RowNumber>,
}
let h = Helper::deserialize(deserializer)?;
Ok(RowNumberContainer {
data: h.data,
})
}
}
impl Deref for RowNumberContainer {
type Target = [RowNumber];
fn deref(&self) -> &Self::Target {
self.data.as_slice()
}
}
impl RowNumberContainer {
pub fn new(data: Vec<RowNumber>) -> Self {
Self {
data,
}
}
pub fn with_capacity(capacity: usize) -> Self {
Self {
data: Vec::with_capacity(capacity),
}
}
pub fn from_vec(data: Vec<RowNumber>) -> Self {
Self {
data,
}
}
}
impl RowNumberContainer {
pub fn from_parts(data: Vec<RowNumber>) -> Self {
Self {
data,
}
}
pub fn len(&self) -> usize {
self.data.len()
}
pub fn capacity(&self) -> usize {
self.data.capacity()
}
pub fn is_empty(&self) -> bool {
self.data.is_empty()
}
pub fn push(&mut self, value: RowNumber) {
self.data.push(value);
}
pub fn push_default(&mut self) {
self.data.push(RowNumber::default());
}
pub fn get(&self, index: usize) -> Option<&RowNumber> {
if index < self.len() {
self.data.get(index)
} else {
None
}
}
pub fn is_defined(&self, idx: usize) -> bool {
idx < self.len()
}
pub fn data(&self) -> &Vec<RowNumber> {
&self.data
}
pub fn data_mut(&mut self) -> &mut Vec<RowNumber> {
&mut self.data
}
pub fn as_string(&self, index: usize) -> String {
if index < self.len() {
self.data[index].to_string()
} else {
"none".to_string()
}
}
pub fn get_value(&self, index: usize) -> Value {
if index < self.len() {
Value::Uint8(self.data[index].value())
} else {
Value::none_of(ValueType::Uint8)
}
}
pub fn extend(&mut self, other: &Self) -> Result<()> {
self.data.extend(other.data.iter().cloned());
Ok(())
}
pub fn iter(&self) -> impl Iterator<Item = Option<RowNumber>> + '_ {
self.data.iter().map(|&v| Some(v))
}
pub fn slice(&self, start: usize, end: usize) -> Self {
let count = (end - start).min(self.len().saturating_sub(start));
let mut new_data = Vec::with_capacity(count);
for i in start..(start + count) {
new_data.push(self.data[i]);
}
Self {
data: new_data,
}
}
pub fn filter(&mut self, mask: &BitVec) {
let mut new_data = Vec::with_capacity(mask.count_ones());
for (i, keep) in mask.iter().enumerate() {
if keep && i < self.len() {
new_data.push(self.data[i]);
}
}
self.data = new_data;
}
pub fn reorder(&mut self, indices: &[usize]) {
let mut new_data = Vec::with_capacity(indices.len());
for &idx in indices {
if idx < self.len() {
new_data.push(self.data[idx]);
} else {
new_data.push(RowNumber::default());
}
}
self.data = new_data;
}
pub fn take(&self, num: usize) -> Self {
Self {
data: self.data[..num.min(self.data.len())].to_vec(),
}
}
}
impl Default for RowNumberContainer {
fn default() -> Self {
Self::with_capacity(0)
}
}