pulldown_latex/parser/
state.rs

1use super::AlignmentCount;
2use crate::event::ScriptPosition;
3
4/// State belonging to the parser that is reset every call to the `next` method of the parser.
5#[derive(Debug)]
6pub struct ParserState<'a> {
7    /// Whether the parser is currently parsing an operator that allows for its scripts to be
8    /// modified by the commands `\nolimits`, `\limits`, and `\displaylimits`.
9    pub allow_script_modifiers: bool,
10    /// What type of script should be rendered by default for the current operator.
11    pub script_position: ScriptPosition,
12    /// Whether the parser should skip script parsing for the current event.
13    pub skip_scripts: bool,
14    /// Whether we are currently handling an arument to a control sequence.
15    ///
16    /// This affects things like whether we can parse the `\relax` command and
17    /// subscripts/superscripts.
18    ///
19    /// Another example: if we are looking for an argument to a control sequence, we should not
20    /// allow '&' or '\\' to be parsed.
21    pub handling_argument: bool,
22    /// Number of `&` characters allowed in the current line of the current group.
23    ///
24    /// If `None`, then we are in a group where both `\\` (newlines) and `&` (alignments) are disallowed.
25    /// Otherwise, this is the number of `&` characters allowed in the current line.
26    pub allowed_alignment_count: Option<&'a mut AlignmentCount>,
27}
28
29impl<'a> Default for ParserState<'a> {
30    fn default() -> Self {
31        Self {
32            allow_script_modifiers: false,
33            script_position: ScriptPosition::Right,
34            skip_scripts: false,
35            handling_argument: false,
36            allowed_alignment_count: None,
37        }
38    }
39}
pulldown_latex/parser/state.rs

pulldown_latex/parser/
state.rs
