diff options
Diffstat (limited to 'src/content/document.rs')
| -rw-r--r-- | src/content/document.rs | 188 |
1 files changed, 122 insertions, 66 deletions
diff --git a/src/content/document.rs b/src/content/document.rs index 2934890..ad7ffc0 100644 --- a/src/content/document.rs +++ b/src/content/document.rs @@ -25,10 +25,10 @@ use std::collections::HashSet; struct DocumentInfo { continued: usize, + containers_begin_index: usize, + inject: Vec<(Vec<Event>, Vec<Event>)>, stack: Vec<String>, next: Box<StateFn>, - last_line_ending_index: Option<usize>, - map: EditMap, } /// Turn `codes` as the document content type into events. @@ -71,10 +71,10 @@ pub fn document(parse_state: &mut ParseState, point: Point, index: usize) -> Vec fn start(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult { let info = DocumentInfo { continued: 0, + inject: vec![], + containers_begin_index: 0, stack: vec![], next: Box::new(flow), - last_line_ending_index: None, - map: EditMap::new(), }; before(tokenizer, code, info) } @@ -101,6 +101,7 @@ fn before(tokenizer: &mut Tokenizer, code: Code, info: DocumentInfo) -> StateFnR }; // To do: state? + println!("check existing: {:?}", name); tokenizer.attempt(cont, move |ok| { if ok { @@ -111,6 +112,7 @@ fn before(tokenizer: &mut Tokenizer, code: Code, info: DocumentInfo) -> StateFnR })(tokenizer, code) } else { // Done. + println!("check new:"); check_new_containers(tokenizer, code, info) } } @@ -155,7 +157,7 @@ fn document_continue( // assert(point, 'could not find previous flow chunk') let size = info.continued; - info = exit_containers(tokenizer, info, size); + info = exit_containers(tokenizer, info, size, true); // // Fix positions. // let index = indexBeforeExits @@ -207,7 +209,7 @@ fn check_new_containers( // start. if tokenizer.concrete { println!(" concrete!"); - return flow_start(tokenizer, code, info); + return there_is_no_new_container(tokenizer, code, info); } println!(" to do: interrupt ({:?})?", tokenizer.interrupt); @@ -238,23 +240,29 @@ fn there_is_a_new_container( ) -> StateFnResult { println!("there_is_a_new_container"); let size = info.continued; - info = exit_containers(tokenizer, info, size); + info = exit_containers(tokenizer, info, size, true); + println!("add to stack: {:?}", name); info.stack.push(name); info.continued += 1; document_continued(tokenizer, code, info) } /// Exit open containers. -fn exit_containers(tokenizer: &mut Tokenizer, mut info: DocumentInfo, size: usize) -> DocumentInfo { +fn exit_containers( + tokenizer: &mut Tokenizer, + mut info: DocumentInfo, + size: usize, + before: bool, +) -> DocumentInfo { + let mut exits: Vec<Event> = vec![]; + if info.stack.len() > size { + // To do: inject these somewhere? Fix positions? println!("closing flow. To do: are these resulting exits okay?"); - let index_before = tokenizer.events.len(); let result = tokenizer.flush(info.next); info.next = Box::new(flow); // This is weird but Rust needs a function there. assert!(matches!(result.0, State::Ok)); assert!(result.1.is_none()); - let shift = tokenizer.events.len() - index_before; - info.last_line_ending_index = info.last_line_ending_index.map(|d| d + shift); } while info.stack.len() > size { @@ -267,22 +275,7 @@ fn exit_containers(tokenizer: &mut Tokenizer, mut info: DocumentInfo, size: usiz unreachable!("todo: cont {:?}", name) }; - // To do: improve below code. - let insert_index = if let Some(index) = info.last_line_ending_index { - index - } else { - tokenizer.events.len() - }; - let eol_point = if let Some(index) = info.last_line_ending_index { - tokenizer.events[index].point.clone() - } else { - tokenizer.point.clone() - }; - let eol_index = if let Some(index) = info.last_line_ending_index { - tokenizer.events[index].index - } else { - tokenizer.index - }; + println!("creating exit for `{:?}`", name); let token_types = end(); @@ -290,42 +283,42 @@ fn exit_containers(tokenizer: &mut Tokenizer, mut info: DocumentInfo, size: usiz while index < token_types.len() { let token_type = &token_types[index]; - println!("injected exit for `{:?}`", token_type); - - info.map.add( - insert_index, - 0, - vec![Event { - event_type: EventType::Exit, - token_type: token_type.clone(), - point: eol_point.clone(), - index: eol_index, - previous: None, - next: None, - content_type: None, - }], - ); + exits.push(Event { + event_type: EventType::Exit, + token_type: token_type.clone(), + // To do: fix position later. + point: tokenizer.point.clone(), + index: tokenizer.index, + previous: None, + next: None, + content_type: None, + }); let mut stack_index = tokenizer.stack.len(); + let mut found = false; while stack_index > 0 { stack_index -= 1; if tokenizer.stack[stack_index] == *token_type { + tokenizer.stack.remove(stack_index); + found = true; break; } } - assert_eq!( - tokenizer.stack[stack_index], *token_type, - "expected token type" - ); - tokenizer.stack.remove(stack_index); - + assert!(found, "expected to find container token to exit"); index += 1; } } + if !exits.is_empty() { + let index = info.inject.len() - 1 - (if before { 1 } else { 0 }); + info.inject[index].1.append(&mut exits); + } + + // println!("exits: {:?} {:?}", info.inject, exits); + info } @@ -386,15 +379,27 @@ fn container_continue( } fn flow_start(tokenizer: &mut Tokenizer, code: Code, mut info: DocumentInfo) -> StateFnResult { - println!("flow_start {:?}", code); + let containers = tokenizer + .events + .drain(info.containers_begin_index..) + .collect::<Vec<_>>(); + info.inject.push((containers, vec![])); + + // Exit containers. let size = info.continued; - info = exit_containers(tokenizer, info, size); + info = exit_containers(tokenizer, info, size, true); + + // Define start. + let point = tokenizer.point.clone(); + tokenizer.define_skip(&point); let state = info.next; info.next = Box::new(flow); // This is weird but Rust needs a function there. + println!("flow_start:before"); tokenizer.go_until(state, eof_eol, move |(state, remainder)| { + println!("flow_start:after"); ( State::Fn(Box::new(move |t, c| flow_end(t, c, info, state))), remainder, @@ -418,26 +423,77 @@ fn flow_end( } info.continued = 0; - - // To do: blank lines? Other things? - if tokenizer.events.len() > 2 - && tokenizer.events[tokenizer.events.len() - 1].token_type == Token::LineEnding - { - info.last_line_ending_index = Some(tokenizer.events.len() - 2); - } else { - info.last_line_ending_index = None; - } - - println!( - "set `last_line_ending_index` to {:?}", - info.last_line_ending_index - ); + info.containers_begin_index = tokenizer.events.len(); match result { State::Ok => { println!("State::Ok"); - info = exit_containers(tokenizer, info, 0); - tokenizer.events = info.map.consume(&mut tokenizer.events); + info = exit_containers(tokenizer, info, 0, false); + // println!("document:inject: {:?}", info.inject); + + let mut map = EditMap::new(); + let mut line_index = 0; + let mut index = 0; + + let add = info.inject[line_index].0.clone(); + println!("add enters at start: {:?}", add); + map.add(0, 0, add); + + while index < tokenizer.events.len() { + let event = &tokenizer.events[index]; + + if event.token_type == Token::LineEnding + || event.token_type == Token::BlankLineEnding + { + println!("eol: {:?}", event.point); + if event.event_type == EventType::Enter { + let mut add = info.inject[line_index].1.clone(); + let mut deep_index = 0; + while deep_index < add.len() { + add[deep_index].point = event.point.clone(); + add[deep_index].index = event.index; + deep_index += 1; + } + println!("add exits before: {:?}", add); + map.add(index, 0, add); + } else { + line_index += 1; + let add = info.inject[line_index].0.clone(); + println!("add enters after: {:?}", add); + map.add(index + 1, 0, add); + } + } + + index += 1; + } + + let mut add = info.inject[line_index].1.clone(); + let mut deep_index = 0; + while deep_index < add.len() { + add[deep_index].point = tokenizer.point.clone(); + add[deep_index].index = tokenizer.index; + deep_index += 1; + } + println!("add exits at end: {:?}", add); + map.add(index, 0, add); + + tokenizer.events = map.consume(&mut tokenizer.events); + let mut index = 0; + println!("document:inject:ends: {:?}", tokenizer.events.len()); + while index < tokenizer.events.len() { + let event = &tokenizer.events[index]; + println!( + "ev: {:?} {:?} {:?} {:?} {:?} {:?}", + index, + event.event_type, + event.token_type, + event.content_type, + event.previous, + event.next + ); + index += 1; + } + (State::Ok, Some(vec![code])) } State::Nok => unreachable!("handle nok in `flow`?"), |