rustla/parser/state_machine/
aplus.rs

1/*!
2A submodule that contains transition methods specific to creating A+ nodes.
3
4Copyright © 2020 Santtu Söderholm
5*/
6
7use super::*;
8
9/// Parses an A+ col break, found in Points of Interest nodes (deprecated).
10pub fn aplus_col_break(
11    src_lines: &Vec<String>,
12    base_indent: usize,
13    section_level: &mut usize,
14    line_cursor: &mut LineCursor,
15    mut doctree: DocTree,
16    captures: &regex::Captures,
17    pattern_name: &Pattern,
18) -> TransitionResult {
19
20    let detected_marker_indent = captures.get(1).unwrap().as_str().chars().count();
21
22    match Parser::parent_indent_matches(doctree.shared_node_data(), detected_marker_indent) {
23        IndentationMatch::JustRight => {
24            doctree = match doctree.push_data(TreeNodeType::AplusColBreak) {
25                Ok(tree) => tree,
26                Err(tree) => {
27                    return TransitionResult::Failure {
28                        message: format!(
29                            "Node insertion error on line {}. Computer says no...",
30                            line_cursor.sum_total()
31                        ),
32                        doctree: tree,
33                    }
34                }
35            };
36            TransitionResult::Success {
37                doctree: doctree,
38                push_or_pop: PushOrPop::Neither,
39                line_advance: LineAdvance::Some(1),
40            }
41        }
42        IndentationMatch::TooLittle => {
43            eprintln!(
44                "Detected a column break on line {} with too little indentation. Interpreting as paragraph...",
45                line_cursor.sum_total()
46            );
47            doctree = doctree.focus_on_parent();
48            TransitionResult::Success {
49                doctree: doctree,
50                push_or_pop: PushOrPop::Pop,
51                line_advance: LineAdvance::None,
52            }
53        }
54        IndentationMatch::TooMuch => {
55            doctree = match doctree.push_data_and_focus(
56                    TreeNodeType::BlockQuote {
57                    body_indent: detected_marker_indent,
58                }
59            ) {
60                Ok(tree) => tree,
61                Err(tree) => {
62                    return TransitionResult::Failure {
63                        message: format!(
64                            "Node insertion error on line {}. Computer says no...",
65                            line_cursor.sum_total()
66                        ),
67                        doctree: tree,
68                    }
69                }
70            };
71            return TransitionResult::Success {
72                doctree: doctree,
73                push_or_pop: PushOrPop::Push(vec![State::BlockQuote]),
74                line_advance: LineAdvance::None,
75            };
76        }
77    }
78}
rustla/parser/state_machine/aplus.rs

rustla/parser/state_machine/
aplus.rs
