mirror of
https://github.com/hexedtech/codemp.git
synced 2024-10-23 10:19:21 +02:00
274 lines
8.7 KiB
Rust
274 lines
8.7 KiB
Rust
use jni::{objects::{JClass, JObject, JString, JValueGen}, sys::{jlong, jobject, jobjectArray, jstring}, JNIEnv};
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use crate::Workspace;
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use super::{JExceptable, JObjectify, RT};
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/// Get the workspace id.
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#[no_mangle]
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pub extern "system" fn Java_mp_code_Workspace_get_1workspace_1id<'local>(
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mut env: JNIEnv<'local>,
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_class: JClass<'local>,
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self_ptr: jlong
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) -> jstring {
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let workspace = unsafe { Box::leak(Box::from_raw(self_ptr as *mut Workspace)) };
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env.new_string(workspace.id()).jexcept(&mut env).as_raw()
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}
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/// Get a cursor controller by name and returns a pointer to it.
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#[no_mangle]
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pub extern "system" fn Java_mp_code_Workspace_get_1cursor<'local>(
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mut env: JNIEnv<'local>,
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_class: JClass<'local>,
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self_ptr: jlong
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) -> jobject {
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let workspace = unsafe { Box::leak(Box::from_raw(self_ptr as *mut Workspace)) };
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env.find_class("mp/code/CursorController").and_then(|class|
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env.new_object(class, "(J)V", &[JValueGen::Long(Box::into_raw(Box::new(workspace.cursor())) as jlong)])
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).jexcept(&mut env).as_raw()
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}
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/// Get a buffer controller by name and returns a pointer to it.
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#[no_mangle]
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pub extern "system" fn Java_mp_code_Workspace_get_1buffer<'local>(
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mut env: JNIEnv<'local>,
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_class: JClass<'local>,
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self_ptr: jlong,
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input: JString<'local>
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) -> jobject {
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let workspace = unsafe { Box::leak(Box::from_raw(self_ptr as *mut Workspace)) };
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let path = unsafe { env.get_string_unchecked(&input) }
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.map(|path| path.to_string_lossy().to_string())
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.jexcept(&mut env);
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workspace.buffer_by_name(&path).map(|buf| {
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env.find_class("mp/code/BufferController").and_then(|class|
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env.new_object(class, "(J)V", &[JValueGen::Long(Box::into_raw(Box::new(buf)) as jlong)])
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).jexcept(&mut env)
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}).unwrap_or_default().as_raw()
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}
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/// Create a new buffer.
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#[no_mangle]
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pub extern "system" fn Java_mp_code_Workspace_create_1buffer<'local>(
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mut env: JNIEnv,
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_class: JClass<'local>,
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self_ptr: jlong,
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input: JString<'local>
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) {
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let ws = unsafe { Box::leak(Box::from_raw(self_ptr as *mut Workspace)) };
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let path = unsafe { env.get_string_unchecked(&input) }
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.map(|path| path.to_string_lossy().to_string())
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.jexcept(&mut env);
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RT.block_on(ws.create(&path))
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.jexcept(&mut env);
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}
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/// Get the filetree.
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#[no_mangle]
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pub extern "system" fn Java_mp_code_Workspace_get_1file_1tree(
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mut env: JNIEnv,
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_class: JClass,
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self_ptr: jlong,
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filter: JString
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) -> jobjectArray {
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let workspace = unsafe { Box::leak(Box::from_raw(self_ptr as *mut Workspace)) };
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let filter: Option<String> = if filter.is_null() {
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None
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} else {
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Some(
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env.get_string(&filter)
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.map(|s| s.into())
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.jexcept(&mut env)
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)
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};
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let file_tree = workspace.filetree(filter.as_deref());
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env.find_class("java/lang/String")
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.and_then(|class| env.new_object_array(file_tree.len() as i32, class, JObject::null()))
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.map(|arr| {
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for (idx, path) in file_tree.iter().enumerate() {
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env.new_string(path)
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.and_then(|path| env.set_object_array_element(&arr, idx as i32, path))
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.jexcept(&mut env)
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}
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arr
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}).jexcept(&mut env).as_raw()
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}
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/// Attach to a buffer and return a pointer to its [crate::buffer::Controller].
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#[no_mangle]
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pub extern "system" fn Java_mp_code_Workspace_attach_1to_1buffer<'local>(
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mut env: JNIEnv,
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_class: JClass<'local>,
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self_ptr: jlong,
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input: JString<'local>
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) -> jobject {
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let workspace = unsafe { Box::leak(Box::from_raw(self_ptr as *mut Workspace)) };
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let path = unsafe { env.get_string_unchecked(&input) }
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.map(|path| path.to_string_lossy().to_string())
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.jexcept(&mut env);
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RT.block_on(workspace.attach(&path))
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.map(|buffer| Box::into_raw(Box::new(buffer)) as jlong)
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.map(|ptr| {
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env.find_class("mp/code/BufferController")
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.and_then(|class| env.new_object(class, "(J)V", &[JValueGen::Long(ptr)]))
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.jexcept(&mut env)
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}).jexcept(&mut env).as_raw()
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}
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/// Detach from a buffer.
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#[no_mangle]
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pub extern "system" fn Java_mp_code_Workspace_detach_1from_1buffer<'local>(
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mut env: JNIEnv,
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_class: JClass<'local>,
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self_ptr: jlong,
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input: JString<'local>
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) -> jobject {
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let workspace = unsafe { Box::leak(Box::from_raw(self_ptr as *mut Workspace)) };
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let path = unsafe { env.get_string_unchecked(&input) }
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.map(|path| path.to_string_lossy().to_string())
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.jexcept(&mut env);
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let name = match workspace.detach(&path) {
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crate::workspace::DetachResult::NotAttached => "NOT_ATTACHED",
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crate::workspace::DetachResult::Detaching => "DETACHED",
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crate::workspace::DetachResult::AlreadyDetached => "ALREADY_DETACHED"
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};
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env.find_class("mp/code/data/DetachResult")
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.and_then(|class| env.get_static_field(class, name, "Lmp/code/data/DetachResult;"))
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.and_then(|res| res.l())
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.jexcept(&mut env)
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.as_raw()
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}
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/// Update the local buffer list.
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#[no_mangle]
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pub extern "system" fn Java_mp_code_Workspace_fetch_1buffers(
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mut env: JNIEnv,
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_class: JClass,
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self_ptr: jlong,
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) {
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let workspace = unsafe { Box::leak(Box::from_raw(self_ptr as *mut Workspace)) };
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RT.block_on(workspace.fetch_buffers()).jexcept(&mut env);
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}
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/// Update the local user list.
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#[no_mangle]
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pub extern "system" fn Java_mp_code_Workspace_fetch_1users(
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mut env: JNIEnv,
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_class: JClass,
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self_ptr: jlong,
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) {
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let workspace = unsafe { Box::leak(Box::from_raw(self_ptr as *mut Workspace)) };
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RT.block_on(workspace.fetch_users()).jexcept(&mut env);
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}
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/// List users attached to a buffer.
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#[no_mangle]
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pub extern "system" fn Java_mp_code_Workspace_list_1buffer_1users<'local>(
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mut env: JNIEnv,
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_class: JClass<'local>,
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self_ptr: jlong,
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input: JString<'local>,
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) -> jobjectArray {
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let workspace = unsafe { Box::leak(Box::from_raw(self_ptr as *mut Workspace)) };
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let buffer = unsafe { env.get_string_unchecked(&input) }
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.map(|buffer| buffer.to_string_lossy().to_string())
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.jexcept(&mut env);
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let users = RT.block_on(workspace.list_buffer_users(&buffer))
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.jexcept(&mut env);
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env.find_class("java/util/UUID")
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.and_then(|class| env.new_object_array(users.len() as i32, &class, JObject::null()))
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.map(|arr| {
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for (idx, user) in users.iter().enumerate() {
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user.id.jobjectify(&mut env)
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.and_then(|id| env.set_object_array_element(&arr, idx as i32, id))
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.jexcept(&mut env);
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}
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arr
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}).jexcept(&mut env).as_raw()
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}
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/// Delete a buffer.
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#[no_mangle]
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pub extern "system" fn Java_mp_code_Workspace_delete_1buffer<'local>(
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mut env: JNIEnv,
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_class: JClass<'local>,
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self_ptr: jlong,
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input: JString<'local>,
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) {
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let workspace = unsafe { Box::leak(Box::from_raw(self_ptr as *mut Workspace)) };
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let buffer = unsafe { env.get_string_unchecked(&input) }
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.map(|buffer| buffer.to_string_lossy().to_string())
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.jexcept(&mut env);
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RT.block_on(workspace.delete(&buffer))
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.jexcept(&mut env);
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}
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/// Receive a workspace event if present.
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#[no_mangle]
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pub extern "system" fn Java_mp_code_Workspace_event(
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mut env: JNIEnv,
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_class: JClass,
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self_ptr: jlong
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) -> jobject {
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let workspace = unsafe { Box::leak(Box::from_raw(self_ptr as *mut Workspace)) };
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RT.block_on(workspace.event())
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.map(|event| {
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let (name, arg) = match event {
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crate::api::Event::FileTreeUpdated(arg) => ("FILE_TREE_UPDATED", env.new_string(arg).unwrap_or_default()),
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crate::api::Event::UserJoin(arg) => ("USER_JOIN", env.new_string(arg).unwrap_or_default()),
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crate::api::Event::UserLeave(arg) => ("USER_LEAVE", env.new_string(arg).unwrap_or_default()),
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};
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let event_type = env.find_class("mp/code/Workspace$Event$Type")
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.and_then(|class| env.get_static_field(class, name, "Lmp/code/Workspace/Event/Type;"))
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.and_then(|f| f.l())
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.jexcept(&mut env);
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env.find_class("mp/code/Workspace$Event").and_then(|class|
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env.new_object(
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class,
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"(Lmp/code/Workspace/Event/Type;Ljava/lang/String;)V",
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&[
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JValueGen::Object(&event_type),
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JValueGen::Object(&arg)
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]
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)
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).jexcept(&mut env)
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}).jexcept(&mut env).as_raw()
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}
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/// Poll a list of buffers, returning the first ready one.
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#[no_mangle]
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pub extern "system" fn Java_mp_code_Workspace_select_1buffer(
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mut env: JNIEnv,
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_class: JClass,
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self_ptr: jlong,
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timeout: jlong
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) -> jobject {
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let workspace = unsafe { Box::leak(Box::from_raw(self_ptr as *mut Workspace)) };
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let buffers = workspace.buffer_list();
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let mut controllers = Vec::default();
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for buffer in buffers {
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if let Some(controller) = workspace.buffer_by_name(&buffer) {
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controllers.push(controller);
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}
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}
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RT.block_on(crate::ext::select_buffer(
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&controllers,
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Some(std::time::Duration::from_millis(timeout as u64)),
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&RT,
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)).jexcept(&mut env)
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.map(|buf| {
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env.find_class("mp/code/BufferController").and_then(|class|
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env.new_object(class, "(J)V", &[JValueGen::Long(Box::into_raw(Box::new(buf)) as jlong)])
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).jexcept(&mut env)
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}).unwrap_or_default().as_raw()
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}
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/// Called by the Java GC to drop a [Workspace].
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#[no_mangle]
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pub extern "system" fn Java_mp_code_Workspace_free(_env: JNIEnv, _class: JClass, input: jlong) {
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let _ = unsafe { Box::from_raw(input as *mut Workspace) };
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}
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