#104

Committed 24 Jan 2026 06:17PM UTC coverage: 76.252% (-1.1%) from 77.303%

Build # #104

Build Type

push

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Commit Message

fix tests

Run Details

1294 of 1697 relevant lines covered (76.25%)

2.72 hits per line

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88.57

/src/parser/component.rs

use std::{borrow::Cow, marker::PhantomData};

use crate::{
    ContentLineParser, LineReader, ParserError,
    component::{Component, ComponentMut},
    parser::{BytesLines, ParserOptions},
};

pub struct ComponentParser<'a, C: Component, I: Iterator<Item = Cow<'a, [u8]>>> {
    line_parser: ContentLineParser<'a, I>,
    _t: PhantomData<C>,
    options: ParserOptions,
}

impl<'a, C: Component> ComponentParser<'a, C, BytesLines<'a>> {
    /// Return a new `ComponentParser` from a `Reader`.
    pub fn from_slice(slice: &'a [u8]) -> Self {
        let line_reader = LineReader::from_slice(slice);
        let line_parser = ContentLineParser::new(line_reader);

        ComponentParser {
            line_parser,
            _t: Default::default(),
            options: Default::default(),
        }
    }

    pub fn with_options(mut self, options: ParserOptions) -> Self {
        self.options = options;
        self
    }
}

impl<'a, C: Component, I: Iterator<Item = Cow<'a, [u8]>>> ComponentParser<'a, C, I> {
    /// Read the next line and check if it's a valid VCALENDAR start.
    #[inline]
    fn check_header(&mut self) -> Result<Option<()>, ParserError> {
        let line = match self.line_parser.next() {
            Some(val) => val.map_err(ParserError::ContentLineError)?,
            None => return Ok(None),
        };

        if line.name != "BEGIN"
            || line.value.is_none()
            || !C::NAMES.contains(&line.value.as_ref().unwrap().to_uppercase().as_str())
            || !line.params.is_empty()
        {
            return Err(ParserError::MissingHeader);
        }

        Ok(Some(()))
    }

    pub fn expect_one(mut self) -> Result<<C::Unverified as ComponentMut>::Verified, ParserError> {
        let item = self.next().ok_or(ParserError::EmptyInput)??;
        if self.next().is_some() {
            return Err(ParserError::TooManyComponents);
        }
        Ok(item)
    }
}

impl<'a, C: Component, I: Iterator<Item = Cow<'a, [u8]>>> Iterator for ComponentParser<'a, C, I> {
    type Item = Result<<C::Unverified as ComponentMut>::Verified, ParserError>;

    fn next(&mut self) -> Option<Self::Item> {
        match self.check_header() {
            Ok(res) => res?,
            Err(err) => return Some(Err(err)),
        };

        let mut comp = C::Unverified::default();
        let result = match comp.parse(&mut self.line_parser, &self.options) {
            Ok(_) => comp.build(None),
            Err(err) => Err(err),
        };

        #[cfg(all(feature = "test", not(feature = "bench")))]
        {
            // Run this for more test coverage
            if let Ok(comp) = result.as_ref() {
                let mutable = comp.clone().mutable();
                mutable.get_properties();
            }
        }

        Some(result)
    }
}

1	use std::{borrow::Cow, marker::PhantomData};
2
3	use crate::{
4	ContentLineParser, LineReader, ParserError,
5	component::{Component, ComponentMut},
6	parser::{BytesLines, ParserOptions},
7	};
8
9	pub struct ComponentParser<'a, C: Component, I: Iterator<Item = Cow<'a, [u8]>>> {
10	line_parser: ContentLineParser<'a, I>,
11	_t: PhantomData<C>,
12	options: ParserOptions,
13	}
14
15	impl<'a, C: Component> ComponentParser<'a, C, BytesLines<'a>> {
16	/// Return a new `ComponentParser` from a `Reader`.
17	pub fn from_slice(slice: &'a [u8]) -> Self {	7✔
18	let line_reader = LineReader::from_slice(slice);	8✔
19	let line_parser = ContentLineParser::new(line_reader);	7✔
20
21	ComponentParser {
22	line_parser,
23	_t: Default::default(),	8✔
24	options: Default::default(),	7✔
25	}
26	}
27
28	pub fn with_options(mut self, options: ParserOptions) -> Self {	3✔
29	self.options = options;	3✔
30	self	6✔
31	}
32	}
33
34	impl<'a, C: Component, I: Iterator<Item = Cow<'a, [u8]>>> ComponentParser<'a, C, I> {
35	/// Read the next line and check if it's a valid VCALENDAR start.
36	#[inline]
37	fn check_header(&mut self) -> Result<Option<()>, ParserError> {	7✔
38	let line = match self.line_parser.next() {	8✔
39	Some(val) => val.map_err(ParserError::ContentLineError)?,	7✔
40	None => return Ok(None),	5✔
41	};
42
43	if line.name != "BEGIN"	16✔
44	\|\| line.value.is_none()	16✔
45	\|\| !C::NAMES.contains(&line.value.as_ref().unwrap().to_uppercase().as_str())	9✔
46	\|\| !line.params.is_empty()	7✔
47	{
48	return Err(ParserError::MissingHeader);	2✔
49	}
50
51	Ok(Some(()))	10✔
52	}
53
54	pub fn expect_one(mut self) -> Result<<C::Unverified as ComponentMut>::Verified, ParserError> {	3✔
55	let item = self.next().ok_or(ParserError::EmptyInput)??;	12✔
56	if self.next().is_some() {	7✔
57	return Err(ParserError::TooManyComponents);	×
58	}
59	Ok(item)	4✔
60	}
61	}
62
63	impl<'a, C: Component, I: Iterator<Item = Cow<'a, [u8]>>> Iterator for ComponentParser<'a, C, I> {
64	type Item = Result<<C::Unverified as ComponentMut>::Verified, ParserError>;
65
66	fn next(&mut self) -> Option<Self::Item> {	7✔
67	match self.check_header() {	8✔
68	Ok(res) => res?,	10✔
69	Err(err) => return Some(Err(err)),	2✔
70	};
71
72	let mut comp = C::Unverified::default();	10✔
73	let result = match comp.parse(&mut self.line_parser, &self.options) {	14✔
74	Ok(_) => comp.build(None),	8✔
75	Err(err) => Err(err),	2✔
76	};
77
78	#[cfg(all(feature = "test", not(feature = "bench")))]
79	{
80	// Run this for more test coverage
81	if let Ok(comp) = result.as_ref() {	×
82	let mutable = comp.clone().mutable();	×
83	mutable.get_properties();	×
84	}
85	}
86
87	Some(result)	7✔
88	}
89	}

lennart-k / ical-rs / #104

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