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Add two nodes for substring #3304

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Add two nodes for substring #3304

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a1a3569
Add two nodes for substring
Oct 23, 2025
6f40a40
fix: number convention
Oct 23, 2025
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17 changes: 17 additions & 0 deletions node-graph/gcore/src/logic.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -120,3 +120,20 @@ async fn switch<T, C: Send + 'n + Clone>(
if_false.eval(ctx).await
}
}

// Get an indexed part of string whitch separated a specified delimeter ("1;2;3" e.t.c.)
#[node_macro::node(category("Text"))]
fn substring_by_index(_: impl Ctx, #[implementations(String)] string: String, delimeter: String, index: u32) -> String {
let idx = index as usize;
let parts: Vec<&str> = string.split(&delimeter).collect();
if idx < parts.len() { parts[idx].to_string() } else { String::new() }
}

// Get amount substrings like ";" in string (useful for check max index in substring_by_index)
#[node_macro::node(category("Text"))]
fn count_substring(_: impl Ctx, #[implementations(String)] string: String, substring: String) -> f64 {
if substring.is_empty() {
return 0.;
}
string.matches(&substring).count() as f64
}