lib-nested/examples/tty-04-posint/src/main.rs

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//! In the following example, a <List Char> editor
//! as before is used, but its data is morphed into
//! representing a positional integer which is then
//! projected into different radices and displayed
//! in different views on screen
extern crate cgmath;
extern crate nested;
extern crate nested_tty;
extern crate r3vi;
extern crate termion;
use {
cgmath::Vector2,
nested::{
editors::{
ObjCommander
},
repr_tree::{Context, ReprTree, ReprTreeExt, ReprLeaf},
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edit_tree::{EditTree, TreeNav, TreeCursor}
},
nested_tty::{
DisplaySegment, TTYApplication,
TerminalCompositor, TerminalStyle, TerminalView,
TerminalAtom, TerminalEvent
},
r3vi::{
buffer::{singleton::*, vec::*},
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view::{port::UpdateTask, singleton::*, list::*, sequence::*},
projection::*
},
std::sync::{Arc, RwLock},
};
fn rebuild_projections(
ctx: Arc<RwLock<Context>>,
repr_tree: Arc<RwLock<ReprTree>>,
morph_types: Vec< (laddertypes::TypeTerm, laddertypes::TypeTerm) >
) {
repr_tree.write().unwrap().detach(&ctx);
for (src_type, dst_type) in morph_types.iter() {
ctx.read().unwrap().morphisms.apply_morphism(
repr_tree.clone(),
&src_type,
&dst_type
);
}
}
fn setup_hex_master(ctx: &Arc<RwLock<Context>>, rt_int: &Arc<RwLock<ReprTree>>) {
rebuild_projections(
ctx.clone(),
rt_int.clone(),
vec![
// extract values from hex-editor
(
" ~ <PosInt 16 BigEndian> ~ <Seq <Digit 16>> ~ <List <Digit 16> ~ Char> ~ EditTree",
" ~ <PosInt 16 BigEndian> ~ <Seq <Digit 16>> ~ <List <Digit 16> ~ Char>"
),
// convert to little-endian
(
" ~ <PosInt 16 BigEndian> ~ <Seq <Digit 16>> ~ <List <Digit 16> ~ Char>",
" ~ <PosInt 16 LittleEndian> ~ <Seq <Digit 16>> ~ <List <Digit 16> ~ Char>"
),
// convert digit representation from char to u64
(
" ~ <PosInt 16 LittleEndian> ~ <Seq <Digit 16>> ~ <List <Digit 16> ~ Char>",
" ~ <PosInt 16 LittleEndian> ~ <Seq <Digit 16>> ~ <List <Digit 16> ~ _2^64 ~ machine.UInt64>"
),
// convert radix to decimal
(
" ~ <PosInt 16 LittleEndian> ~ <Seq <Digit 16>> ~ <List <Digit 16> ~ _2^64 ~ machine.UInt64>",
" ~ <PosInt 10 LittleEndian> ~ <Seq <Digit 10>> ~ <List <Digit 10> ~ _2^64 ~ machine.UInt64>"
),
// convert decimal digit representation back to char
(
" ~ <PosInt 10 LittleEndian> ~ <Seq <Digit 10>> ~ <List <Digit 10> ~ _2^64 ~ machine.UInt64>",
" ~ <PosInt 10 LittleEndian> ~ <Seq <Digit 10>> ~ <List <Digit 10> ~ Char>"
),
// convert to big-endian
(
" ~ <PosInt 10 LittleEndian> ~ <Seq <Digit 10>> ~ <List <Digit 10> ~ Char>",
" ~ <PosInt 10 BigEndian> ~ <Seq <Digit 10>> ~ <List <Digit 10> ~ Char>"
),
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// decimal editor
(
" ~ <PosInt 10 BigEndian> ~ <Seq <Digit 10>> ~ <List <Digit 10> ~ Char>",
" ~ <PosInt 10 BigEndian> ~ <Seq <Digit 10>> ~ <List <Digit 10> ~ Char ~ EditTree>"
),
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(
" ~ <PosInt 10 BigEndian> ~ <Seq <Digit 10>> ~ <List <Digit 10> ~ Char ~ EditTree>",
" ~ <PosInt 10 BigEndian> ~ <Seq <Digit 10>> ~ <List <Digit 10> ~ Char ~ EditTree> ~ <Vec EditTree>"
),
(
" ~ <PosInt 10 BigEndian> ~ <Seq <Digit 10>> ~ <List <Digit 10> ~ Char ~ EditTree> ~ <Vec EditTree>",
" ~ <PosInt 10 BigEndian> ~ <Seq <Digit 10>> ~ <List <Digit 10> ~ Char> ~ EditTree"
),
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].into_iter()
.map(|(s,d)| (Context::parse(&ctx, s), Context::parse(&ctx, d)))
.collect()
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);
}
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fn setup_dec_master(ctx: &Arc<RwLock<Context>>, rt_int: &Arc<RwLock<ReprTree>>) {
rebuild_projections(
ctx.clone(),
rt_int.clone(),
vec![
// extract values from decimal-editor
(
" ~ <PosInt 10 BigEndian> ~ <Seq <Digit 10>> ~ <List <Digit 10> ~ Char> ~ EditTree",
" ~ <PosInt 10 BigEndian> ~ <Seq <Digit 10>> ~ <List <Digit 10> ~ Char>"
),
// convert to little-endian
(
" ~ <PosInt 10 BigEndian> ~ <Seq <Digit 10>> ~ <List <Digit 10> ~ Char>",
" ~ <PosInt 10 LittleEndian> ~ <Seq <Digit 10>> ~ <List <Digit 10> ~ Char>"
),
// convert digit representation to u64
(
" ~ <PosInt 10 LittleEndian> ~ <Seq <Digit 10>> ~ <List <Digit 10> ~ Char>",
" ~ <PosInt 10 LittleEndian> ~ <Seq <Digit 10>> ~ <List <Digit 10> ~ _2^64 ~ machine.UInt64>"
),
// convert radix to decimal
(
" ~ <PosInt 10 LittleEndian> ~ <Seq <Digit 10>> ~ <List <Digit 10> ~ _2^64 ~ machine.UInt64>",
" ~ <PosInt 16 LittleEndian> ~ <Seq <Digit 16>> ~ <List <Digit 16> ~ _2^64 ~ machine.UInt64>"
),
// convert back digit representation char
(
" ~ <PosInt 16 LittleEndian> ~ <Seq <Digit 16>> ~ <List <Digit 16> ~ _2^64 ~ machine.UInt64>",
" ~ <PosInt 16 LittleEndian> ~ <Seq <Digit 16>> ~ <List <Digit 16> ~ Char>"
),
// convert back to big-endian
(
" ~ <PosInt 16 LittleEndian> ~ <Seq <Digit 16>> ~ <List <Digit 16> ~ Char>",
" ~ <PosInt 16 BigEndian> ~ <Seq <Digit 16>> ~ <List <Digit 16> ~ Char>"
),
// hex editor
(
" ~ <PosInt 16 BigEndian> ~ <Seq <Digit 16>> ~ <List <Digit 16> ~ Char>",
" ~ <PosInt 16 BigEndian> ~ <Seq <Digit 16>> ~ <List <Digit 16> ~ Char ~ EditTree>"
),
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(
" ~ <PosInt 16 BigEndian> ~ <Seq <Digit 16>> ~ <List <Digit 16> ~ Char ~ EditTree>",
" ~ <PosInt 16 BigEndian> ~ <Seq <Digit 16>> ~ <List <Digit 16> ~ Char ~ EditTree> ~ <Vec EditTree>"
),
(
" ~ <PosInt 16 BigEndian> ~ <Seq <Digit 16>> ~ <List <Digit 16> ~ Char ~ EditTree> ~ <Vec EditTree>",
" ~ <PosInt 16 BigEndian> ~ <Seq <Digit 16>> ~ <List <Digit 16> ~ Char> ~ EditTree"
),
].into_iter()
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.map(|(s,d)| (Context::parse(&ctx, s), Context::parse(&ctx, d)))
.collect()
);
}
#[async_std::main]
async fn main() {
/* setup context
*/
let ctx = Arc::new(RwLock::new(Context::new()));
nested::editors::char::init_ctx( ctx.clone() );
nested::editors::digit::init_ctx( ctx.clone() );
nested::editors::integer::init_ctx( ctx.clone() );
nested::editors::list::init_ctx( ctx.clone() );
nested_tty::setup_edittree_hook(&ctx);
/* Create a Representation-Tree of type ``
*/
let mut rt_int = ReprTree::new_arc( Context::parse(&ctx, "") );
/* Add a specific Representation-Path (big-endian hexadecimal)
*/
let mut digits_hex = VecBuffer::with_data(vec![ 'c', 'f', 'f' ]);
rt_int.insert_leaf(
Context::parse(&ctx, "<PosInt 16 BigEndian>~<Seq <Digit 16>>~<List <Digit 16>>~<List Char>~<Vec Char>"),
nested::repr_tree::ReprLeaf::from_vec_buffer( digits_hex.clone() )
);
let mut digits_dec = VecBuffer::with_data(vec!['3', '2', '1']);
rt_int.insert_leaf(
Context::parse(&ctx, "<PosInt 10 BigEndian>~<Seq <Digit 10>>~<List <Digit 10>>~<List Char>~<Vec Char>"),
nested::repr_tree::ReprLeaf::from_vec_buffer( digits_dec.clone() )
);
let mut digits_hex_editvec = VecBuffer::<Arc<RwLock<EditTree>>>::new();
rt_int.insert_leaf(
Context::parse(&ctx, "
<PosInt 16 BigEndian>
~ <Seq <Digit 16>>
~ <List <Digit 16>
~ Char
~ EditTree>
~ <Vec EditTree>
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"),
nested::repr_tree::ReprLeaf::from_vec_buffer( digits_hex_editvec.clone() )
);
let mut digits_dec_editvec = VecBuffer::<Arc<RwLock<EditTree>>>::new();
rt_int.insert_leaf(
Context::parse(&ctx, "
<PosInt 10 BigEndian>
~ <Seq <Digit 10>>
~ <List <Digit 10>
~ Char
~ EditTree>
~ <Vec EditTree>
"),
nested::repr_tree::ReprLeaf::from_vec_buffer( digits_dec_editvec.clone() )
);
/* initially copy values from Vec to EditTree...
*/
rebuild_projections(
ctx.clone(),
rt_int.clone(),
// master representation
vec![
(
" ~ <PosInt 16 BigEndian> ~ <Seq <Digit 16>> ~ <List <Digit 16> ~ Char> ~ <Vec Char>",
" ~ <PosInt 16 BigEndian> ~ <Seq <Digit 16>> ~ <List <Digit 16> ~ Char>"
),
(
" ~ <PosInt 16 BigEndian> ~ <Seq <Digit 16>> ~ <List <Digit 16> ~ Char>",
" ~ <PosInt 16 BigEndian> ~ <Seq <Digit 16>> ~ <List <Digit 16> ~ Char ~ EditTree>"
),
(
" ~ <PosInt 16 BigEndian> ~ <Seq <Digit 16>> ~ <List <Digit 16> ~ Char> ~ <List EditTree>",
" ~ <PosInt 16 BigEndian> ~ <Seq <Digit 16>> ~ <List <Digit 16> ~ Char> ~ <List EditTree> ~ <Vec EditTree>"
),
(
" ~ <PosInt 16 BigEndian> ~ <Seq <Digit 16>> ~ <List <Digit 16> ~ Char> ~ <List EditTree> ~ <Vec EditTree>",
" ~ <PosInt 16 BigEndian> ~ <Seq <Digit 16>> ~ <List <Digit 16> ~ Char> ~ EditTree"
),
].into_iter()
.map(|(s,d)| (Context::parse(&ctx, s), Context::parse(&ctx, d)))
.collect()
);
setup_hex_master(&ctx, &rt_int);
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let edittree_hex_be_list = ctx.read().unwrap()
.setup_edittree(
rt_int.descend(Context::parse(&ctx,"
<PosInt 16 BigEndian>
~ <Seq <Digit 16>>
~ <List <Digit 16>>
~ <List Char>
")).expect("descend"),
SingletonBuffer::new(0).get_port()
).unwrap().get();
let edittree_dec_be_list = ctx.read().unwrap()
.setup_edittree(
rt_int.descend(Context::parse(&ctx,"
<PosInt 10 BigEndian>
~ <Seq <Digit 10>>
~ <List <Digit 10>>
~ <List Char>
")).expect("descend"),
SingletonBuffer::new(0).get_port()
).unwrap().get();
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let hex_digits_view = rt_int.descend(Context::parse(&ctx, "
<PosInt 16 LittleEndian>
~ <Seq <Digit 16> >
~ <List <Digit 16>
~ _2^64
~ machine.UInt64 >
")).expect("descend")
.view_list::<u64>()
.map(|v| TerminalAtom::from(char::from_digit(*v as u32, 16)))
.to_sequence()
.to_grid_horizontal()
;
let dec_digits_view = rt_int.descend(Context::parse(&ctx, "
<PosInt 10 LittleEndian>
~ <Seq <Digit 10>>
~ <List <Digit 10>
~ _2^64
~ machine.UInt64 >
")).expect("descend")
.view_list::<u64>()
.map(|v| TerminalAtom::from(char::from_digit(*v as u32, 10)))
.to_sequence()
.to_grid_horizontal()
;
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/* list of both editors
*/
let mut list_editor = nested::editors::list::ListEditor::new(ctx.clone(), Context::parse(&ctx, "<Seq Char>"));
list_editor.data.push( edittree_hex_be_list.clone() );
list_editor.data.push( edittree_dec_be_list.clone() );
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let mut edittree = list_editor.into_node(SingletonBuffer::new(0).get_port());
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/* cursors are a bit screwed initially so fix them up
* TODO: how to fix this generally?
*/
edittree_hex_be_list.write().unwrap().goto(TreeCursor::none());
edittree_dec_be_list.write().unwrap().goto(TreeCursor::none());
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edittree.goto(TreeCursor{
leaf_mode: nested::editors::list::ListCursorMode::Insert,
tree_addr: vec![0,0]
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});
let edittree = Arc::new(RwLock::new(edittree));
/* setup terminal
*/
let app = TTYApplication::new({
/* event handler
*/
let ctx = ctx.clone();
let rt_int = rt_int.clone();
let last_idx = RwLock::new(1);
move |ev| {
let cur = edittree.read().unwrap().get_cursor();
if cur.tree_addr.len() > 0 {
match cur.tree_addr[0] {
0 => {
let mut li = last_idx.write().unwrap();
if *li != 0 {
setup_hex_master(&ctx, &rt_int);
*li = 0;
}
}
1 => {
let mut li = last_idx.write().unwrap();
if *li != 1 {
setup_dec_master(&ctx, &rt_int);
*li = 1;
}
}
_=>{}
}
}
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edittree.write().unwrap().send_cmd_obj(ev.to_repr_tree(&ctx));
}
});
/* Setup the compositor to serve as root-view
* by routing it to the `app.port` Viewport,
* so it will be displayed on TTY-output.
*/
let compositor = TerminalCompositor::new(app.port.inner());
/* Now add some views to our compositor
*/
{
let mut comp = compositor.write().unwrap();
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fn show_edit_tree( ctx: &Arc<RwLock<Context>>, comp: &mut TerminalCompositor, rt: &Arc<RwLock<ReprTree>>, y: i16 )
{
let rt_edittree = rt.descend(Context::parse(&ctx, "EditTree")).expect("descend");
let halo_type = rt_edittree.read().unwrap().get_halo_type().clone();
let edittree = rt_edittree.read().unwrap().get_view::<dyn r3vi::view::singleton::SingletonView<Item = Arc<RwLock<EditTree>>>>().unwrap().get().read().unwrap().clone();
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comp.push( nested_tty::make_label( &ctx.read().unwrap().type_term_to_str(&halo_type) )
.map_item(|_pt, atom| atom.add_style_front(TerminalStyle::fg_color((90,90,90))))
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.offset(Vector2::new(1,y)));
comp.push( edittree.display_view()
.offset(Vector2::new(1,y+1)));
}
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show_edit_tree(&ctx, &mut comp, &rt_int.descend(Context::parse(&ctx, "<PosInt 16 BigEndian> ~ <Seq~List <Digit 16>~Char>")).expect(""), 1);
show_edit_tree(&ctx, &mut comp, &rt_int.descend(Context::parse(&ctx, "<PosInt 10 BigEndian> ~ <Seq~List <Digit 10>~Char>")).expect(""), 4);
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/* project the seq of u64 representations to a view
*/
comp.push(nested_tty::make_label("dec: ").offset(Vector2::new(3,7)));
comp.push(dec_digits_view.offset(Vector2::new(8,7)).map_item(|_,a| {
a.add_style_back(TerminalStyle::fg_color((30,90,200)))
}));
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comp.push(nested_tty::make_label("hex: ").offset(Vector2::new(3,8)));
comp.push(hex_digits_view.offset(Vector2::new(8,8)).map_item(|_,a| {
a.add_style_back(TerminalStyle::fg_color((200, 200, 30)))
}));
}
/* write the changes in the view of `term_port` to the terminal
*/
app.show().await.expect("output error!");
}