Перенос старых наработок в новый репозиторий

13 files changed, 1711 insertions, 1 deletions

diff --git a/Cargo.lock b/Cargo.lock
index 5d240a1..85a1fef 100644
--- a/Cargo.lock
+++ b/Cargo.lock
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diff --git a/Cargo.toml b/Cargo.toml
index 3fc2b87..95c9ed4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
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 [profile.release]
 codegen-units = 1
diff --git a/LICENSE.txt b/LICENSE.txt
new file mode 100644
index 0000000..d159169
--- /dev/null
+++ b/LICENSE.txt
@@ -0,0 +1,339 @@
+                    GNU GENERAL PUBLIC LICENSE
+                       Version 2, June 1991
+
+ Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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+
+                            Preamble
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+   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
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+    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+Also add information on how to contact you by electronic and paper mail.
+
+If the program is interactive, make it output a short notice like this
+when it starts in an interactive mode:
+
+    Gnomovision version 69, Copyright (C) year name of author
+    Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, the commands you use may
+be called something other than `show w' and `show c'; they could even be
+mouse-clicks or menu items--whatever suits your program.
+
+You should also get your employer (if you work as a programmer) or your
+school, if any, to sign a "copyright disclaimer" for the program, if
+necessary.  Here is a sample; alter the names:
+
+  Yoyodyne, Inc., hereby disclaims all copyright interest in the program
+  `Gnomovision' (which makes passes at compilers) written by James Hacker.
+
+  <signature of Ty Coon>, 1 April 1989
+  Ty Coon, President of Vice
+
+This General Public License does not permit incorporating your program into
+proprietary programs.  If your program is a subroutine library, you may
+consider it more useful to permit linking proprietary applications with the
+library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.
diff --git a/README.md b/README.md
index e69de29..3537a5b 100644
--- a/README.md
+++ b/README.md
@@ -0,0 +1,6 @@
+# Utilities for the game "Parkan: Iron Strategy"
+
+## List of projects
+
+- [libnres](libnres): Library for NRes files.
+- [nres-cli](nres-cli): Console tool for NRes files.
diff --git a/libnres/Cargo.toml b/libnres/Cargo.toml
new file mode 100644
index 0000000..85597bd
--- /dev/null
+++ b/libnres/Cargo.toml
@@ -0,0 +1,16 @@
+[package]
+name = "libnres"
+version = "0.1.4"
+description = "Library for NRes files"
+authors = ["Valentin Popov <valentin@popov.link>"]
+homepage = "https://git.popov.link/valentineus/fparkan"
+repository = "https://git.popov.link/valentineus/fparkan.git"
+license = "GPL-2.0"
+edition = "2021"
+keywords = ["gamedev", "library", "nres"]
+
+[dependencies]
+byteorder = "1.4"
+log = "0.4"
+miette = "5.6"
+thiserror = "1.0"
diff --git a/libnres/README.md b/libnres/README.md
new file mode 100644
index 0000000..065bd40
--- /dev/null
+++ b/libnres/README.md
@@ -0,0 +1,25 @@
+# Library for NRes files (Deprecated)
+
+Library for viewing and retrieving game resources of the game **"Parkan: Iron Strategy"**.
+All versions of the game are supported: Demo, IS, IS: Part 1, IS: Part 2.
+Supports files with `lib`, `trf`, `rlb` extensions.
+
+The files `gamefont.rlb` and `sprites.lib` are not supported.
+This files have an unknown signature.
+
+## Example
+
+Example of extracting game resources:
+
+```rust
+fn main() {
+    let file = std::fs::File::open("./voices.lib").unwrap();
+    // Extracting the list of files
+    let list = libnres::reader::get_list(&file).unwrap();
+
+    for element in list {
+        // Extracting the contents of the file
+        let data = libnres::reader::get_file(&file, &element).unwrap();
+    }
+}
+```
diff --git a/libnres/src/converter.rs b/libnres/src/converter.rs
new file mode 100644
index 0000000..bbf0535
--- /dev/null
+++ b/libnres/src/converter.rs
@@ -0,0 +1,33 @@
+use crate::error::ConverterError;
+
+/// Method for converting u32 to u64.
+pub fn u32_to_u64(value: u32) -> Result<u64, ConverterError> {
+    match u64::try_from(value) {
+        Err(error) => Err(ConverterError::Infallible(error)),
+        Ok(result) => Ok(result),
+    }
+}
+
+/// Method for converting u32 to usize.
+pub fn u32_to_usize(value: u32) -> Result<usize, ConverterError> {
+    match usize::try_from(value) {
+        Err(error) => Err(ConverterError::TryFromIntError(error)),
+        Ok(result) => Ok(result),
+    }
+}
+
+/// Method for converting u64 to u32.
+pub fn u64_to_u32(value: u64) -> Result<u32, ConverterError> {
+    match u32::try_from(value) {
+        Err(error) => Err(ConverterError::TryFromIntError(error)),
+        Ok(result) => Ok(result),
+    }
+}
+
+/// Method for converting usize to u32.
+pub fn usize_to_u32(value: usize) -> Result<u32, ConverterError> {
+    match u32::try_from(value) {
+        Err(error) => Err(ConverterError::TryFromIntError(error)),
+        Ok(result) => Ok(result),
+    }
+}
diff --git a/libnres/src/error.rs b/libnres/src/error.rs
new file mode 100644
index 0000000..440ab06
--- /dev/null
+++ b/libnres/src/error.rs
@@ -0,0 +1,45 @@
+extern crate miette;
+extern crate thiserror;
+
+use miette::Diagnostic;
+use thiserror::Error;
+
+#[derive(Error, Diagnostic, Debug)]
+pub enum ConverterError {
+    #[error("error converting an value")]
+    #[diagnostic(code(libnres::infallible))]
+    Infallible(#[from] std::convert::Infallible),
+
+    #[error("error converting an value")]
+    #[diagnostic(code(libnres::try_from_int_error))]
+    TryFromIntError(#[from] std::num::TryFromIntError),
+}
+
+#[derive(Error, Diagnostic, Debug)]
+pub enum ReaderError {
+    #[error(transparent)]
+    #[diagnostic(code(libnres::convert_error))]
+    ConvertValue(#[from] ConverterError),
+
+    #[error("incorrect header format")]
+    #[diagnostic(code(libnres::list_type_error))]
+    IncorrectHeader,
+
+    #[error("incorrect file size (expected {expected:?} bytes, received {received:?} bytes)")]
+    #[diagnostic(code(libnres::file_size_error))]
+    IncorrectSizeFile { expected: u32, received: u32 },
+
+    #[error(
+        "incorrect size of the file list (not a multiple of {expected:?}, received {received:?})"
+    )]
+    #[diagnostic(code(libnres::list_size_error))]
+    IncorrectSizeList { expected: u32, received: u32 },
+
+    #[error("resource file reading error")]
+    #[diagnostic(code(libnres::io_error))]
+    ReadFile(#[from] std::io::Error),
+
+    #[error("file is too small (must be at least {expected:?} bytes, received {received:?} byte)")]
+    #[diagnostic(code(libnres::file_size_error))]
+    SmallFile { expected: u32, received: u32 },
+}
diff --git a/libnres/src/lib.rs b/libnres/src/lib.rs
new file mode 100644
index 0000000..40c0b32
--- /dev/null
+++ b/libnres/src/lib.rs
@@ -0,0 +1,24 @@
+/// First constant value of the NRes file ("NRes" characters in numeric)
+pub const FILE_TYPE_1: u32 = 1936020046;
+/// Second constant value of the NRes file
+pub const FILE_TYPE_2: u32 = 256;
+/// Size of the element item (in bytes)
+pub const LIST_ELEMENT_SIZE: u32 = 64;
+/// Minimum allowed file size (in bytes)
+pub const MINIMUM_FILE_SIZE: u32 = 16;
+
+static DEBUG: std::sync::atomic::AtomicBool = std::sync::atomic::AtomicBool::new(false);
+
+mod converter;
+mod error;
+pub mod reader;
+
+/// Get debug status value
+pub fn get_debug() -> bool {
+    DEBUG.load(std::sync::atomic::Ordering::Relaxed)
+}
+
+/// Change debug status value
+pub fn set_debug(value: bool) {
+    DEBUG.store(value, std::sync::atomic::Ordering::Relaxed)
+}
diff --git a/libnres/src/reader.rs b/libnres/src/reader.rs
new file mode 100644
index 0000000..2a450ee
--- /dev/null
+++ b/libnres/src/reader.rs
@@ -0,0 +1,227 @@
+use std::io::{Read, Seek};
+
+use byteorder::ByteOrder;
+
+use crate::error::ReaderError;
+use crate::{converter, FILE_TYPE_1, FILE_TYPE_2, LIST_ELEMENT_SIZE, MINIMUM_FILE_SIZE};
+
+#[derive(Debug)]
+pub struct ListElement {
+    /// Unknown parameter
+    _unknown0: i32,
+    /// Unknown parameter
+    _unknown1: i32,
+    /// Unknown parameter
+    _unknown2: i32,
+    /// File extension
+    pub extension: String,
+    /// Identifier or sequence number
+    pub index: u32,
+    /// File name
+    pub name: String,
+    /// Position in the file
+    pub position: u32,
+    /// File size (in bytes)
+    pub size: u32,
+}
+
+impl ListElement {
+    /// Get full name of the file
+    pub fn get_filename(&self) -> String {
+        format!("{}.{}", self.name, self.extension)
+    }
+}
+
+#[derive(Debug)]
+pub struct FileHeader {
+    /// File size
+    size: u32,
+    /// Number of files
+    total: u32,
+    /// First constant value
+    type1: u32,
+    /// Second constant value
+    type2: u32,
+}
+
+/// Get a packed file data
+pub fn get_file(file: &std::fs::File, element: &ListElement) -> Result<Vec<u8>, ReaderError> {
+    let size = get_file_size(file)?;
+    check_file_size(size)?;
+
+    let header = get_file_header(file)?;
+    check_file_header(&header, size)?;
+
+    let data = get_element_data(file, element)?;
+    Ok(data)
+}
+
+/// Get a list of packed files
+pub fn get_list(file: &std::fs::File) -> Result<Vec<ListElement>, ReaderError> {
+    let mut list: Vec<ListElement> = Vec::new();
+
+    let size = get_file_size(file)?;
+    check_file_size(size)?;
+
+    let header = get_file_header(file)?;
+    check_file_header(&header, size)?;
+
+    get_file_list(file, &header, &mut list)?;
+
+    Ok(list)
+}
+
+fn check_file_header(header: &FileHeader, size: u32) -> Result<(), ReaderError> {
+    if header.type1 != FILE_TYPE_1 || header.type2 != FILE_TYPE_2 {
+        return Err(ReaderError::IncorrectHeader);
+    }
+
+    if header.size != size {
+        return Err(ReaderError::IncorrectSizeFile {
+            expected: size,
+            received: header.size,
+        });
+    }
+
+    Ok(())
+}
+
+fn check_file_size(size: u32) -> Result<(), ReaderError> {
+    if size < MINIMUM_FILE_SIZE {
+        return Err(ReaderError::SmallFile {
+            expected: MINIMUM_FILE_SIZE,
+            received: size,
+        });
+    }
+
+    Ok(())
+}
+
+fn get_element_data(file: &std::fs::File, element: &ListElement) -> Result<Vec<u8>, ReaderError> {
+    let position = converter::u32_to_u64(element.position)?;
+    let size = converter::u32_to_usize(element.size)?;
+
+    let mut reader = std::io::BufReader::new(file);
+    let mut buffer = vec![0u8; size];
+
+    if let Err(error) = reader.seek(std::io::SeekFrom::Start(position)) {
+        return Err(ReaderError::ReadFile(error));
+    };
+
+    if let Err(error) = reader.read_exact(&mut buffer) {
+        return Err(ReaderError::ReadFile(error));
+    };
+
+    Ok(buffer)
+}
+
+fn get_element_position(index: u32) -> Result<(usize, usize), ReaderError> {
+    let from = converter::u32_to_usize(index * LIST_ELEMENT_SIZE)?;
+    let to = converter::u32_to_usize((index * LIST_ELEMENT_SIZE) + LIST_ELEMENT_SIZE)?;
+    Ok((from, to))
+}
+
+fn get_file_header(file: &std::fs::File) -> Result<FileHeader, ReaderError> {
+    let mut reader = std::io::BufReader::new(file);
+    let mut buffer = vec![0u8; MINIMUM_FILE_SIZE as usize];
+
+    if let Err(error) = reader.seek(std::io::SeekFrom::Start(0)) {
+        return Err(ReaderError::ReadFile(error));
+    };
+
+    if let Err(error) = reader.read_exact(&mut buffer) {
+        return Err(ReaderError::ReadFile(error));
+    };
+
+    let header = FileHeader {
+        size: byteorder::LittleEndian::read_u32(&buffer[12..16]),
+        total: byteorder::LittleEndian::read_u32(&buffer[8..12]),
+        type1: byteorder::LittleEndian::read_u32(&buffer[0..4]),
+        type2: byteorder::LittleEndian::read_u32(&buffer[4..8]),
+    };
+
+    buffer.clear();
+    Ok(header)
+}
+
+fn get_file_list(
+    file: &std::fs::File,
+    header: &FileHeader,
+    list: &mut Vec<ListElement>,
+) -> Result<(), ReaderError> {
+    let (start_position, list_size) = get_list_position(header)?;
+    let mut reader = std::io::BufReader::new(file);
+    let mut buffer = vec![0u8; list_size];
+
+    if let Err(error) = reader.seek(std::io::SeekFrom::Start(start_position)) {
+        return Err(ReaderError::ReadFile(error));
+    };
+
+    if let Err(error) = reader.read_exact(&mut buffer) {
+        return Err(ReaderError::ReadFile(error));
+    }
+
+    let buffer_size = converter::usize_to_u32(buffer.len())?;
+
+    if buffer_size % LIST_ELEMENT_SIZE != 0 {
+        return Err(ReaderError::IncorrectSizeList {
+            expected: LIST_ELEMENT_SIZE,
+            received: buffer_size,
+        });
+    }
+
+    for i in 0..(buffer_size / LIST_ELEMENT_SIZE) {
+        let (from, to) = get_element_position(i)?;
+        let chunk: &[u8] = &buffer[from..to];
+
+        let element = get_list_element(chunk)?;
+        list.push(element);
+    }
+
+    buffer.clear();
+    Ok(())
+}
+
+fn get_file_size(file: &std::fs::File) -> Result<u32, ReaderError> {
+    let metadata = match file.metadata() {
+        Err(error) => return Err(ReaderError::ReadFile(error)),
+        Ok(value) => value,
+    };
+
+    let result = converter::u64_to_u32(metadata.len())?;
+    Ok(result)
+}
+
+fn get_list_element(buffer: &[u8]) -> Result<ListElement, ReaderError> {
+    let index = byteorder::LittleEndian::read_u32(&buffer[60..64]);
+    let position = byteorder::LittleEndian::read_u32(&buffer[56..60]);
+    let size = byteorder::LittleEndian::read_u32(&buffer[12..16]);
+    let unknown0 = byteorder::LittleEndian::read_i32(&buffer[4..8]);
+    let unknown1 = byteorder::LittleEndian::read_i32(&buffer[8..12]);
+    let unknown2 = byteorder::LittleEndian::read_i32(&buffer[16..20]);
+
+    let extension = String::from_utf8_lossy(&buffer[0..4])
+        .trim_matches(char::from(0))
+        .to_string();
+
+    let name = String::from_utf8_lossy(&buffer[20..56])
+        .trim_matches(char::from(0))
+        .to_string();
+
+    Ok(ListElement {
+        _unknown0: unknown0,
+        _unknown1: unknown1,
+        _unknown2: unknown2,
+        extension,
+        index,
+        name,
+        position,
+        size,
+    })
+}
+
+fn get_list_position(header: &FileHeader) -> Result<(u64, usize), ReaderError> {
+    let position = converter::u32_to_u64(header.size - (header.total * LIST_ELEMENT_SIZE))?;
+    let size = converter::u32_to_usize(header.total * LIST_ELEMENT_SIZE)?;
+    Ok((position, size))
+}
diff --git a/nres-cli/Cargo.toml b/nres-cli/Cargo.toml
new file mode 100644
index 0000000..e3b1932
--- /dev/null
+++ b/nres-cli/Cargo.toml
@@ -0,0 +1,20 @@
+[package]
+name = "nres-cli"
+version = "0.2.3"
+description = "Console tool for NRes files"
+authors = ["Valentin Popov <valentin@popov.link>"]
+homepage = "https://git.popov.link/valentineus/fparkan"
+repository = "https://git.popov.link/valentineus/fparkan.git"
+license = "GPL-2.0"
+edition = "2021"
+keywords = ["cli", "gamedev", "nres"]
+
+[dependencies]
+byteorder = "1.4"
+clap = { version = "4.2", features = ["derive"] }
+console = "0.15"
+dialoguer = { version = "0.10", features = ["completion"] }
+indicatif = "0.17"
+libnres = { version = "0.1", path = "../libnres" }
+miette = { version = "5.6", features = ["fancy"] }
+tempdir = "0.3"
diff --git a/nres-cli/README.md b/nres-cli/README.md
new file mode 100644
index 0000000..65a6602
--- /dev/null
+++ b/nres-cli/README.md
@@ -0,0 +1,6 @@
+# Console tool for NRes files (Deprecated)
+
+## Commands
+
+- `extract` - Extract game resources from a "NRes" file.
+- `ls` - Get a list of files in a "NRes" file.
diff --git a/nres-cli/src/main.rs b/nres-cli/src/main.rs
new file mode 100644
index 0000000..85086cb
--- /dev/null
+++ b/nres-cli/src/main.rs
@@ -0,0 +1,198 @@
+extern crate core;
+extern crate libnres;
+
+use std::io::Write;
+
+use clap::{Parser, Subcommand};
+use miette::{IntoDiagnostic, Result};
+
+#[derive(Parser, Debug)]
+#[command(name = "NRes CLI")]
+#[command(about, author, version, long_about = None)]
+struct Cli {
+    #[command(subcommand)]
+    command: Commands,
+}
+
+#[derive(Subcommand, Debug)]
+enum Commands {
+    /// Check if the "NRes" file can be extract
+    Check {
+        /// "NRes" file
+        file: String,
+    },
+    /// Print debugging information on the "NRes" file
+    #[command(arg_required_else_help = true)]
+    Debug {
+        /// "NRes" file
+        file: String,
+        /// Filter results by file name
+        #[arg(long)]
+        name: Option<String>,
+    },
+    /// Extract files or a file from the "NRes" file
+    #[command(arg_required_else_help = true)]
+    Extract {
+        /// "NRes" file
+        file: String,
+        /// Overwrite files
+        #[arg(short, long, default_value_t = false, value_name = "TRUE|FALSE")]
+        force: bool,
+        /// Outbound directory
+        #[arg(short, long, value_name = "DIR")]
+        out: String,
+    },
+    /// Print a list of files in the "NRes" file
+    #[command(arg_required_else_help = true)]
+    Ls {
+        /// "NRes" file
+        file: String,
+    },
+}
+
+pub fn main() -> Result<()> {
+    let stdout = console::Term::stdout();
+    let cli = Cli::parse();
+
+    match cli.command {
+        Commands::Check { file } => command_check(stdout, file)?,
+        Commands::Debug { file, name } => command_debug(stdout, file, name)?,
+        Commands::Extract { file, force, out } => command_extract(stdout, file, out, force)?,
+        Commands::Ls { file } => command_ls(stdout, file)?,
+    }
+
+    Ok(())
+}
+
+fn command_check(_stdout: console::Term, file: String) -> Result<()> {
+    let file = std::fs::File::open(file).into_diagnostic()?;
+    let list = libnres::reader::get_list(&file).into_diagnostic()?;
+    let tmp = tempdir::TempDir::new("nres").into_diagnostic()?;
+    let bar = indicatif::ProgressBar::new(list.len() as u64);
+
+    bar.set_style(get_bar_style()?);
+
+    for element in list {
+        bar.set_message(element.get_filename());
+
+        let path = tmp.path().join(element.get_filename());
+        let mut output = std::fs::File::create(path).into_diagnostic()?;
+        let mut buffer = libnres::reader::get_file(&file, &element).into_diagnostic()?;
+
+        output.write_all(&buffer).into_diagnostic()?;
+        buffer.clear();
+        bar.inc(1);
+    }
+
+    bar.finish();
+
+    Ok(())
+}
+
+fn command_debug(stdout: console::Term, file: String, name: Option<String>) -> Result<()> {
+    let file = std::fs::File::open(file).into_diagnostic()?;
+    let mut list = libnres::reader::get_list(&file).into_diagnostic()?;
+
+    let mut total_files_size: u32 = 0;
+    let mut total_files_gap: u32 = 0;
+    let mut total_files: u32 = 0;
+
+    for (index, item) in list.iter().enumerate() {
+        total_files_size += item.size;
+        total_files += 1;
+        let mut gap = 0;
+
+        if index > 1 {
+            let previous_item = &list[index - 1];
+            gap = item.position - (previous_item.position + previous_item.size);
+        }
+
+        total_files_gap += gap;
+    }
+
+    if let Some(name) = name {
+        list.retain(|item| item.name.contains(&name));
+    };
+
+    for (index, item) in list.iter().enumerate() {
+        let mut gap = 0;
+
+        if index > 1 {
+            let previous_item = &list[index - 1];
+            gap = item.position - (previous_item.position + previous_item.size);
+        }
+
+        let text = format!("Index: {};\nGap: {};\nItem: {:#?};\n", index, gap, item);
+        stdout.write_line(&text).into_diagnostic()?;
+    }
+
+    let text = format!(
+        "Total files: {};\nTotal files gap: {} (bytes);\nTotal files size: {} (bytes);",
+        total_files, total_files_gap, total_files_size
+    );
+
+    stdout.write_line(&text).into_diagnostic()?;
+
+    Ok(())
+}
+
+fn command_extract(_stdout: console::Term, file: String, out: String, force: bool) -> Result<()> {
+    let file = std::fs::File::open(file).into_diagnostic()?;
+    let list = libnres::reader::get_list(&file).into_diagnostic()?;
+    let bar = indicatif::ProgressBar::new(list.len() as u64);
+
+    bar.set_style(get_bar_style()?);
+
+    for element in list {
+        bar.set_message(element.get_filename());
+
+        let path = format!("{}/{}", out, element.get_filename());
+
+        if !force && is_exist_file(&path) {
+            let message = format!("File \"{}\" exists. Overwrite it?", path);
+
+            if !dialoguer::Confirm::new()
+                .with_prompt(message)
+                .interact()
+                .into_diagnostic()?
+            {
+                continue;
+            }
+        }
+
+        let mut output = std::fs::File::create(path).into_diagnostic()?;
+        let mut buffer = libnres::reader::get_file(&file, &element).into_diagnostic()?;
+
+        output.write_all(&buffer).into_diagnostic()?;
+        buffer.clear();
+        bar.inc(1);
+    }
+
+    bar.finish();
+
+    Ok(())
+}
+
+fn command_ls(stdout: console::Term, file: String) -> Result<()> {
+    let file = std::fs::File::open(file).into_diagnostic()?;
+    let list = libnres::reader::get_list(&file).into_diagnostic()?;
+
+    for element in list {
+        stdout.write_line(&element.name).into_diagnostic()?;
+    }
+
+    Ok(())
+}
+
+fn get_bar_style() -> Result<indicatif::ProgressStyle> {
+    Ok(
+        indicatif::ProgressStyle::with_template("[{bar:32}] {pos:>7}/{len:7} {msg}")
+            .into_diagnostic()?
+            .progress_chars("=>-"),
+    )
+}
+
+fn is_exist_file(path: &String) -> bool {
+    let metadata = std::path::Path::new(path);
+    metadata.exists()
+}