can_tools 2.1.2

Rust editor for CanDatabase. It allows to open and modify CAN database from .dbc and .arxml files.
Documentation 
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use crate::types::database::CanDatabase;

/// Parse a node-level comment:
/// `CM_ BU_ NodeName "Comment..."`
pub(crate) fn decode(db: &mut CanDatabase, text: &str) {
    let mut parts = text.split_ascii_whitespace();
    if parts.next() != Some("CM_") {
        return;
    }
    if parts.next() != Some("BU_") {
        return;
    }
    let node_name = match parts.next() {
        Some(n) => n,
        None => return,
    };

    // Extract the quoted comment as-is (preserving inner spaces/newlines)
    let first_quote = match text.find('\"') {
        Some(p) => p,
        None => return,
    };
    let last_quote = match text.rfind('\"') {
        Some(p) if p > first_quote => p,
        _ => return,
    };
    let comment = text[first_quote + 1..last_quote].to_string();

    // Update single source of truth
    if let Some(node) = db.get_node_by_name_mut(node_name) {
        node.comment = comment;
    }
}