86 lines
2.5 KiB
Rust
86 lines
2.5 KiB
Rust
//! Some actions need to preformed platform independently since they can not be solved `ANSI escape codes`.
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use super::TerminalOutput;
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use std::io::{self, Write};
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use std::sync::Arc;
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#[cfg(windows)]
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use kernel::windows_kernel::ansi_support::{try_enable_ansi_support, windows_supportable};
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#[cfg(windows)]
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use kernel::windows_kernel::terminal::{exit, terminal_size};
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#[cfg(windows)]
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use kernel::windows_kernel::cursor::pos;
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#[cfg(unix)]
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use kernel::unix_kernel::terminal::{exit, pos, terminal_size};
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/// Get the terminal size based on the current platform.
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pub fn get_terminal_size() -> (u16, u16) {
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terminal_size()
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}
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/// Get the cursor position based on the current platform.
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pub fn get_cursor_position() -> (u16, u16) {
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#[cfg(unix)]
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return pos().expect("Valide position");
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#[cfg(windows)]
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return pos();
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}
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/// exit the current terminal.
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pub fn exit_terminal() {
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exit();
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}
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#[cfg(windows)]
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/// Get an module specific implementation of a the generic given type based on the current platform.
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/// If the current platform is windows and it supports ansi escape codes it will return the ansi implementation and if not it will return the winapi implementation.
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/// If the current platform is unix it will return the ansi implementation.
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pub fn get_module<T>(winapi_impl: T, unix_impl: T) -> Option<T> {
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let mut term: Option<T> = None;
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let mut does_support = true;
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if !windows_supportable() {
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// Try to enable ansi on windows if not than use WINAPI.
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does_support = try_enable_ansi_support();
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// uncomment this line when you want to use the winapi implementation.
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// does_support = false;
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if !does_support {
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term = Some(winapi_impl);
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}
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}
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if does_support {
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term = Some(unix_impl);
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}
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term
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}
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pub fn write(stdout: &Option<&Arc<TerminalOutput>>, string: String) -> io::Result<usize> {
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match stdout {
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None => {
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print!("{}", string.as_str());
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match io::stdout().flush() {
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Ok(_) => Ok(string.len()),
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Err(e) => Err(e),
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}
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}
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Some(output) => output.write_string(string),
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}
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}
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pub fn write_str(stdout: &Option<&Arc<TerminalOutput>>, string: &str) -> io::Result<usize> {
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match stdout {
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None => match io::stdout().flush() {
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Ok(_) => { write!(io::stdout(), "{}", string)?; Ok(string.len()) },
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Err(e) => Err(e),
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},
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Some(output) => output.write_str(string),
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}
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}
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