Files
2026-05-21 15:27:59 +03:00

271 lines
9.0 KiB
Rust

// Copyright 2020 - developers of the `grammers` project.
// Copyright 2021 - developers of the `tdlib-rs` project.
// Copyright 2024 - developers of the `tgt` and `tdlib-rs` projects.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// https://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
use std::env;
use std::fs::File;
use std::io::{BufWriter, Read, Write};
use std::path::Path;
use tdlib_rs_gen::generate_rust_code;
use tdlib_rs_parser::parse_tl_file;
use tdlib_rs_parser::tl::Definition;
#[allow(dead_code)]
#[cfg(not(any(feature = "docs", feature = "pkg-config")))]
/// The version of the TDLib library.
const TDLIB_VERSION: &str = "1.8.29";
/// Load the type language definitions from a certain file.
/// Parse errors will be printed to `stderr`, and only the
/// valid results will be returned.
fn load_tl(file: &str) -> std::io::Result<Vec<Definition>> {
let mut file = File::open(file)?;
let mut contents = String::new();
file.read_to_string(&mut contents)?;
Ok(parse_tl_file(contents)
.filter_map(|d| match d {
Ok(d) => Some(d),
Err(e) => {
eprintln!("TL: parse error: {e:?}");
None
}
})
.collect())
}
#[cfg(feature = "local-tdlib")]
/// Copy all files from a directory to another.
fn copy_dir_all(src: impl AsRef<Path>, dst: impl AsRef<Path>) -> std::io::Result<()> {
std::fs::create_dir_all(&dst)?;
for entry in std::fs::read_dir(src)? {
let entry = entry?;
let ty = entry.file_type()?;
if ty.is_dir() {
copy_dir_all(entry.path(), dst.as_ref().join(entry.file_name()))?;
} else {
std::fs::copy(entry.path(), dst.as_ref().join(entry.file_name()))?;
}
}
Ok(())
}
#[cfg(feature = "local-tdlib")]
/// Copy all the tdlib folder find in the LOCAL_TDLIB_PATH environment variable to the OUT_DIR/tdlib folder
fn copy_local_tdlib() {
match env::var("LOCAL_TDLIB_PATH") {
Ok(tdlib_path) => {
let out_dir = env::var("OUT_DIR").unwrap();
let prefix = format!("{out_dir}/tdlib");
copy_dir_all(Path::new(&tdlib_path), Path::new(&prefix)).unwrap();
}
Err(_) => {
panic!("The LOCAL_TDLIB_PATH env variable must be set to the path of the tdlib folder");
}
};
}
#[cfg(any(feature = "download-tdlib", feature = "local-tdlib"))]
/// Build the project using the generic build configuration.
/// The current supported platforms are:
/// - Linux x86_64
/// - Linux aarch64
/// - Windows x86_64
/// - Windows aarch64
/// - MacOS x86_64
/// - MacOS aarch64
fn generic_build() {
let out_dir = env::var("OUT_DIR").unwrap();
let prefix = format!("{out_dir}/tdlib");
let include_dir = format!("{prefix}/include");
let lib_dir = format!("{prefix}/lib");
let lib_path = {
#[cfg(any(
all(target_os = "linux", target_arch = "x86_64"),
all(target_os = "linux", target_arch = "aarch64")
))]
{
format!("{lib_dir}/libtdjson.so.{TDLIB_VERSION}")
}
#[cfg(any(
all(target_os = "macos", target_arch = "x86_64"),
all(target_os = "macos", target_arch = "aarch64"),
all(target_os = "ios", target_arch = "x86_64"),
all(target_os = "ios", target_arch = "aarch64")
))]
{
format!("{lib_dir}/libtdjson.{TDLIB_VERSION}.dylib")
}
#[cfg(any(
all(target_os = "windows", target_arch = "x86_64"),
all(target_os = "windows", target_arch = "aarch64")
))]
{
format!(r"{lib_dir}\tdjson.lib")
}
};
if !std::path::PathBuf::from(lib_path.clone()).exists() {
panic!("tdjson shared library not found at {lib_path}");
}
#[cfg(any(
all(target_os = "windows", target_arch = "x86_64"),
all(target_os = "windows", target_arch = "aarch64")
))]
{
let bin_dir = format!(r"{prefix}\bin");
println!("cargo:rustc-link-search=native={bin_dir}");
}
println!("cargo:rustc-link-search=native={lib_dir}");
println!("cargo:include={include_dir}");
println!("cargo:rustc-link-lib=dylib=tdjson");
println!("cargo:rustc-link-arg=-Wl,-rpath,{lib_dir}");
}
#[cfg(feature = "download-tdlib")]
fn download_tdlib() {
let base_url = "https://github.com/FedericoBruzzone/tdlib-rs/releases/download";
let url = format!(
"{}/v{}/tdlib-{}-{}-{}.zip",
base_url,
env!("CARGO_PKG_VERSION"),
TDLIB_VERSION,
std::env::var("CARGO_CFG_TARGET_OS").unwrap(),
std::env::var("CARGO_CFG_TARGET_ARCH").unwrap(),
);
// let target_os = if cfg!(target_os = "windows") {
// "Windows"
// } else if cfg!(target_os = "linux") {
// "Linux"
// } else if cfg!(target_os = "macos") {
// "macOS"
// } else {
// ""
// };
// let target_arch = if cfg!(target_arch = "x86_64") {
// "X64"
// } else if cfg!(target_arch = "aarch64") {
// "ARM64"
// } else {
// ""
// };
// let url = format!(
// "{}/test/{}-{}-TDLib-{}.zip",
// base_url, target_os, target_arch, "2589c3fd46925f5d57e4ec79233cd1bd0f5d0c09"
// );
let out_dir = env::var("OUT_DIR").unwrap();
let tdlib_dir = format!("{}/tdlib", &out_dir);
let zip_path = format!("{}.zip", &tdlib_dir);
// Create the request
let response = reqwest::blocking::get(&url).unwrap();
// Check if the response status is successful
if response.status().is_success() {
// Create a file to write to
let mut dest = File::create(&zip_path).unwrap();
// Get the response bytes and write to the file
let content = response.bytes().unwrap();
std::io::copy(&mut content.as_ref(), &mut dest).unwrap();
} else {
panic!(
"[{}] Failed to download file: {}\n{}\n{}",
"Your OS or architecture may be unsupported.",
"Please try using the `pkg-config` or `local-tdlib` features.",
response.status(),
&url
)
}
let mut archive = zip::ZipArchive::new(File::open(&zip_path).unwrap()).unwrap();
for i in 0..archive.len() {
let mut file = archive.by_index(i).unwrap();
let outpath = Path::new(&out_dir).join(file.name());
if (*file.name()).ends_with('/') {
std::fs::create_dir_all(&outpath).unwrap();
} else {
if let Some(p) = outpath.parent() {
if !p.exists() {
std::fs::create_dir_all(p).unwrap();
}
}
let mut outfile = File::create(&outpath).unwrap();
std::io::copy(&mut file, &mut outfile).unwrap();
}
// Get and set permissions
#[cfg(unix)]
{
use std::os::unix::fs::PermissionsExt;
if let Some(mode) = file.unix_mode() {
std::fs::set_permissions(&outpath, std::fs::Permissions::from_mode(mode)).unwrap();
}
}
}
let _ = std::fs::remove_file(&zip_path);
}
fn main() -> std::io::Result<()> {
#[cfg(all(feature = "docs", feature = "pkg-config"))]
compile_error!(
"feature \"docs\" and feature \"pkg-config\" cannot be enabled at the same time"
);
#[cfg(all(feature = "docs", feature = "download-tdlib"))]
compile_error!(
"feature \"docs\" and feature \"download-tdlib\" cannot be enabled at the same time"
);
#[cfg(all(feature = "pkg-config", feature = "download-tdlib"))]
compile_error!(
"feature \"pkg-config\" and feature \"download-tdlib\" cannot be enabled at the same time"
);
println!("cargo:rerun-if-changed=build.rs");
#[cfg(feature = "local-tdlib")]
println!("cargo:rerun-if-env-changed=LOCAL_TDLIB_PATH");
// Prevent linking libraries to avoid documentation failure
#[cfg(not(feature = "docs"))]
{
// It requires the following variables to be set:
// - export PKG_CONFIG_PATH=$HOME/lib/tdlib/lib/pkgconfig/:$PKG_CONFIG_PATH
// - export LD_LIBRARY_PATH=$HOME/lib/tdlib/lib/:$LD_LIBRARY_PATH
#[cfg(feature = "pkg-config")]
system_deps::Config::new().probe().unwrap();
#[cfg(feature = "download-tdlib")]
download_tdlib();
// It requires the following variable to be set:
// - export LOCAL_TDLIB_PATH=$HOME/lib/tdlib
#[cfg(feature = "local-tdlib")]
copy_local_tdlib();
#[cfg(any(feature = "download-tdlib", feature = "local-tdlib"))]
generic_build();
}
let out_dir = env::var("OUT_DIR").unwrap();
let definitions = load_tl("tl/api.tl")?;
let mut file = BufWriter::new(File::create(Path::new(&out_dir).join("generated.rs"))?);
generate_rust_code(&mut file, &definitions, cfg!(feature = "bots-only-api"))?;
file.flush()?;
Ok(())
}