ranty 1.0.0

The Ranty procedural templating language
Documentation 
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use super::*;

pub fn split(vm: &mut VM, (s, at): (String, Option<String>)) -> RantyStdResult {
    let list = if at.as_ref().map(|s| s.is_empty()).unwrap_or(true) {
        s.chars().map(|c| c.to_string()).collect::<Vec<String>>()
    } else {
        s.split(at.unwrap().as_str())
            .map(|part| part.to_owned())
            .collect::<Vec<String>>()
    }
    .try_into_ranty()
    .into_runtime_result()?;

    vm.cur_frame_mut().write(list);
    Ok(())
}

pub fn lines(vm: &mut VM, s: String) -> RantyStdResult {
    let lines: Vec<RantyValue> = s
        .lines()
        .map(|line| RantyValue::String(line.into()))
        .collect();
    vm.cur_frame_mut().write(lines);
    Ok(())
}

pub fn indent(vm: &mut VM, (text, indent): (String, String)) -> RantyStdResult {
    let frame = vm.cur_frame_mut();
    let mut first = true;
    for line in text.lines() {
        if first {
            first = false;
        } else {
            frame.write_frag("\n");
        }
        frame.write_frag(indent.as_str());
        frame.write_frag(line);
    }
    Ok(())
}

pub fn upper(vm: &mut VM, s: String) -> RantyStdResult {
    vm.cur_frame_mut().write_frag(s.to_uppercase().as_str());
    Ok(())
}

pub fn lower(vm: &mut VM, s: String) -> RantyStdResult {
    vm.cur_frame_mut().write_frag(s.to_lowercase().as_str());
    Ok(())
}

pub fn string_replace(
    vm: &mut VM,
    (input, query, replacement): (RantyString, RantyString, RantyString),
) -> RantyStdResult {
    vm.cur_frame_mut().write_frag(
        input
            .as_str()
            .replace(query.as_str(), replacement.as_str())
            .as_str(),
    );
    Ok(())
}

pub fn trim(vm: &mut VM, s: RantyString) -> RantyStdResult {
    vm.cur_frame_mut().write(s.as_str().trim());
    Ok(())
}

pub fn ord(vm: &mut VM, s: InternalString) -> RantyStdResult {
    if s.is_empty() {
        return Ok(());
    }

    vm.cur_frame_mut().write(s.chars().next().unwrap() as u32);

    Ok(())
}

pub fn char_(vm: &mut VM, code_point: u32) -> RantyStdResult {
    if let Some(c) = char::from_u32(code_point) {
        vm.cur_frame_mut().write(c);
    }
    Ok(())
}

pub fn ord_all(vm: &mut VM, s: InternalString) -> RantyStdResult {
    vm.cur_frame_mut().write(
        s.chars()
            .map(|c| (c as u32).into_ranty())
            .collect::<RantyList>(),
    );
    Ok(())
}