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rusty-tasks
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task errors

This commit is contained in:
Andrei Stoica 2023-06-25 08:42:20 -04:00
parent 16a2646cb8
commit 3bb095ca45
1 changed files with 20 additions and 8 deletions
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28
src/todo/tasks.rs
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@ -24,6 +24,10 @@ pub enum Status {
Empty, Empty,
} }
pub enum TaskErorr {
ParsingError(&'static str),
}
impl Task { impl Task {
fn find_text<'a>(node: &'a AstNode<'a>) -> String { fn find_text<'a>(node: &'a AstNode<'a>) -> String {
let mut text = String::new(); let mut text = String::new();
@ -49,7 +53,7 @@ impl ToString for Task {
} }
impl<'a> TryFrom<&'a AstNode<'a>> for Task { impl<'a> TryFrom<&'a AstNode<'a>> for Task {
type Error = String; type Error = TaskErorr;
fn try_from(node: &'a AstNode<'a>) -> Result<Self, Self::Error> { fn try_from(node: &'a AstNode<'a>) -> Result<Self, Self::Error> {
let data_ref = &node.data.borrow(); let data_ref = &node.data.borrow();
if let NodeValue::TaskItem(ch) = data_ref.value { if let NodeValue::TaskItem(ch) = data_ref.value {
@ -62,7 +66,9 @@ impl<'a> TryFrom<&'a AstNode<'a>> for Task {
Ok(Self { status, text }) Ok(Self { status, text })
} else { } else {
Err("Node being parsed is not a TaskItem".into()) Err(TaskErorr::ParsingError(
"Node being parsed is not a TaskItem",
))
} }
} }
} }
@ -89,7 +95,7 @@ impl ToString for TaskGroup {
} }
impl<'a> TryFrom<&'a AstNode<'a>> for TaskGroup { impl<'a> TryFrom<&'a AstNode<'a>> for TaskGroup {
type Error = String; type Error = TaskErorr;
fn try_from(node: &'a AstNode<'a>) -> Result<Self, Self::Error> { fn try_from(node: &'a AstNode<'a>) -> Result<Self, Self::Error> {
let node_ref = &node.data.borrow(); let node_ref = &node.data.borrow();
if let NodeValue::Heading(heading) = node_ref.value { if let NodeValue::Heading(heading) = node_ref.value {
@ -98,17 +104,21 @@ impl<'a> TryFrom<&'a AstNode<'a>> for TaskGroup {
let first_child = if let Some(child) = first_child_ref.borrow() { let first_child = if let Some(child) = first_child_ref.borrow() {
child child
} else { } else {
return Err("".into()); return Err(TaskErorr::ParsingError("Node has no children"));
}; };
let data_ref = &first_child.data.borrow(); let data_ref = &first_child.data.borrow();
let name = if let NodeValue::Text(value) = &data_ref.value { let name = if let NodeValue::Text(value) = &data_ref.value {
value.to_string() value.to_string()
} else { } else {
return Err("".into()); return Err(TaskErorr::ParsingError(
"Could not get title from heading node",
));
}; };
let next_sib = node.next_sibling().ok_or("Empty section at end of file")?; let next_sib = node
.next_sibling()
.ok_or(TaskErorr::ParsingError("Empty section at end of file"))?;
if let NodeValue::List(_list_meta) = next_sib.data.borrow().value { if let NodeValue::List(_list_meta) = next_sib.data.borrow().value {
let tasks = next_sib let tasks = next_sib
@ -119,10 +129,12 @@ impl<'a> TryFrom<&'a AstNode<'a>> for TaskGroup {
Ok(TaskGroup { name, tasks, level }) Ok(TaskGroup { name, tasks, level })
} else { } else {
Err("Next sibling of node is not a list".into()) Err(TaskErorr::ParsingError(
"Next sibling of node is not a list",
))
} }
} else { } else {
Err("Node is not a section heading".into()) Err(TaskErorr::ParsingError("Node is not a section heading"))
} }
} }
} }