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246 lines
8.1 KiB
Rust
246 lines
8.1 KiB
Rust
use std::fs;
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use std::fs::{DirEntry, Metadata};
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use std::io::prelude::*;
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use std::path::{Path, PathBuf};
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use std::sync::atomic::{AtomicUsize, Ordering};
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use std::sync::Arc;
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use crossbeam_channel::Receiver;
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use fun_time::fun_time;
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use futures::channel::mpsc::UnboundedSender;
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use rayon::prelude::*;
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use crate::common::{check_folder_children, prepare_thread_handler_common, send_info_and_wait_for_ending_all_threads};
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use crate::common_dir_traversal::{common_get_entry_data_metadata, common_read_dir, get_lowercase_name, get_modified_time, CheckingMethod, ProgressData, ToolType};
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use crate::common_tool::{CommonData, CommonToolData, DeleteMethod};
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use crate::common_traits::*;
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const TEMP_EXTENSIONS: &[&str] = &[
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"#",
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"thumbs.db",
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".bak",
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"~",
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".tmp",
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".temp",
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".ds_store",
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".crdownload",
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".part",
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".cache",
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".dmp",
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".download",
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".partial",
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];
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#[derive(Clone)]
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pub struct FileEntry {
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pub path: PathBuf,
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pub modified_date: u64,
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}
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#[derive(Default)]
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pub struct Info {
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pub number_of_temporary_files: usize,
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}
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pub struct Temporary {
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common_data: CommonToolData,
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information: Info,
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temporary_files: Vec<FileEntry>,
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}
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impl Temporary {
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pub fn new() -> Self {
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Self {
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common_data: CommonToolData::new(ToolType::TemporaryFiles),
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information: Info::default(),
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temporary_files: vec![],
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}
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}
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#[fun_time(message = "find_temporary_files")]
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pub fn find_temporary_files(&mut self, stop_receiver: Option<&Receiver<()>>, progress_sender: Option<&UnboundedSender<ProgressData>>) {
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self.optimize_dirs_before_start();
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if !self.check_files(stop_receiver, progress_sender) {
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self.common_data.stopped_search = true;
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return;
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}
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self.delete_files();
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self.debug_print();
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}
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#[fun_time(message = "check_files")]
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fn check_files(&mut self, stop_receiver: Option<&Receiver<()>>, progress_sender: Option<&UnboundedSender<ProgressData>>) -> bool {
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let mut folders_to_check: Vec<PathBuf> = Vec::with_capacity(1024 * 2); // This should be small enough too not see to big difference and big enough to store most of paths without needing to resize vector
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// Add root folders for finding
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for id in &self.common_data.directories.included_directories {
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folders_to_check.push(id.clone());
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}
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let (progress_thread_handle, progress_thread_run, atomic_counter, _check_was_stopped) =
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prepare_thread_handler_common(progress_sender, 0, 0, 0, CheckingMethod::None, self.common_data.tool_type);
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while !folders_to_check.is_empty() {
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if stop_receiver.is_some() && stop_receiver.unwrap().try_recv().is_ok() {
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send_info_and_wait_for_ending_all_threads(&progress_thread_run, progress_thread_handle);
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return false;
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}
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let segments: Vec<_> = folders_to_check
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.par_iter()
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.map(|current_folder| {
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let mut dir_result = vec![];
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let mut warnings = vec![];
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let mut fe_result = vec![];
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let Some(read_dir) = common_read_dir(current_folder, &mut warnings) else {
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return (dir_result, warnings, fe_result);
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};
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// Check every sub folder/file/link etc.
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for entry in read_dir {
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let Some((entry_data, metadata)) = common_get_entry_data_metadata(&entry, &mut warnings, current_folder) else {
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continue;
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};
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if metadata.is_dir() {
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check_folder_children(
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&mut dir_result,
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&mut warnings,
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current_folder,
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entry_data,
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self.common_data.recursive_search,
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&self.common_data.directories,
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&self.common_data.excluded_items,
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);
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} else if metadata.is_file() {
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if let Some(file_entry) = self.get_file_entry(&metadata, &atomic_counter, entry_data, &mut warnings, current_folder) {
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fe_result.push(file_entry);
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}
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}
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}
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(dir_result, warnings, fe_result)
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})
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.collect();
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// Advance the frontier
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folders_to_check.clear();
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// Process collected data
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for (segment, warnings, fe_result) in segments {
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folders_to_check.extend(segment);
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self.common_data.text_messages.warnings.extend(warnings);
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for fe in fe_result {
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self.temporary_files.push(fe);
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}
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}
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}
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send_info_and_wait_for_ending_all_threads(&progress_thread_run, progress_thread_handle);
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self.information.number_of_temporary_files = self.temporary_files.len();
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true
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}
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pub fn get_file_entry(
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&self,
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metadata: &Metadata,
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atomic_counter: &Arc<AtomicUsize>,
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entry_data: &DirEntry,
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warnings: &mut Vec<String>,
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current_folder: &Path,
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) -> Option<FileEntry> {
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atomic_counter.fetch_add(1, Ordering::Relaxed);
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let Some(file_name_lowercase) = get_lowercase_name(entry_data, warnings) else {
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return None;
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};
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if !TEMP_EXTENSIONS.iter().any(|f| file_name_lowercase.ends_with(f)) {
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return None;
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}
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let current_file_name = current_folder.join(entry_data.file_name());
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if self.common_data.excluded_items.is_excluded(¤t_file_name) {
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return None;
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}
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// Creating new file entry
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Some(FileEntry {
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path: current_file_name.clone(),
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modified_date: get_modified_time(metadata, warnings, ¤t_file_name, false),
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})
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}
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#[fun_time(message = "delete_files")]
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fn delete_files(&mut self) {
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match self.common_data.delete_method {
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DeleteMethod::Delete => {
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let mut warnings = Vec::new();
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for file_entry in &self.temporary_files {
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if fs::remove_file(file_entry.path.clone()).is_err() {
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warnings.push(file_entry.path.display().to_string());
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}
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}
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self.common_data.text_messages.warnings.extend(warnings);
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}
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DeleteMethod::None => {
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//Just do nothing
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}
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_ => unreachable!(),
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}
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}
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}
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impl PrintResults for Temporary {
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fn write_results<T: Write>(&self, writer: &mut T) -> std::io::Result<()> {
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writeln!(
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writer,
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"Results of searching {:?} with excluded directories {:?} and excluded items {:?}",
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self.common_data.directories.included_directories, self.common_data.directories.excluded_directories, self.common_data.excluded_items.items
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)?;
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writeln!(writer, "Found {} temporary files.\n", self.information.number_of_temporary_files)?;
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for file_entry in &self.temporary_files {
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writeln!(writer, "{}", file_entry.path.display())?;
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}
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Ok(())
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}
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}
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impl Default for Temporary {
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fn default() -> Self {
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Self::new()
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}
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}
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impl DebugPrint for Temporary {
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fn debug_print(&self) {
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if !cfg!(debug_assertions) {
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return;
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}
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println!("### Information's");
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println!("Temporary list size - {}", self.temporary_files.len());
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self.debug_print_common();
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}
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}
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impl CommonData for Temporary {
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fn get_cd(&self) -> &CommonToolData {
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&self.common_data
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}
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fn get_cd_mut(&mut self) -> &mut CommonToolData {
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&mut self.common_data
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}
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}
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impl Temporary {
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pub const fn get_temporary_files(&self) -> &Vec<FileEntry> {
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&self.temporary_files
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}
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pub const fn get_information(&self) -> &Info {
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&self.information
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}
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}
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