diff --git a/src/parser/bold.rs b/src/parser/bold.rs index c2145af1..b9cd7b16 100644 --- a/src/parser/bold.rs +++ b/src/parser/bold.rs @@ -39,10 +39,7 @@ fn can_start_bold<'s, 'r>(context: Context<'r, 's>) -> bool { _preceded_by_whitespace(context) && !_in_section(context, "bold") } -pub fn context_bold_start<'s, 'r>( - context: Context<'r, 's>, - input: &'s str, -) -> Res<&'s str, &'s str> { +fn context_bold_start<'s, 'r>(context: Context<'r, 's>, input: &'s str) -> Res<&'s str, &'s str> { if can_start_bold(context) { recognize(bold_start)(input) } else { @@ -53,7 +50,7 @@ pub fn context_bold_start<'s, 'r>( } } -pub fn context_bold_end<'s, 'r>(context: Context<'r, 's>, input: &'s str) -> Res<&'s str, &'s str> { +fn context_bold_end<'s, 'r>(context: Context<'r, 's>, input: &'s str) -> Res<&'s str, &'s str> { let (remaining, actual_match) = recognize(bold_end)(input)?; peek(alt(( // Must have whitespace after the end asterisk or it must be the end of that section (as checked by the exit matcher) @@ -66,10 +63,10 @@ pub fn context_bold_end<'s, 'r>(context: Context<'r, 's>, input: &'s str) -> Res Ok((remaining, actual_match)) } -pub fn bold_start(input: &str) -> Res<&str, TextElement> { +fn bold_start(input: &str) -> Res<&str, TextElement> { map(symbol("*"), TextElement::Symbol)(input) } -pub fn bold_end(input: &str) -> Res<&str, TextElement> { +fn bold_end(input: &str) -> Res<&str, TextElement> { map(symbol("*"), TextElement::Symbol)(input) } diff --git a/src/parser/link.rs b/src/parser/link.rs new file mode 100644 index 00000000..2f6d5d57 --- /dev/null +++ b/src/parser/link.rs @@ -0,0 +1,60 @@ +use crate::parser::parser_with_context::parser_with_context; + +use super::combinator::context_many_till; +use super::error::CustomError; +use super::error::MyError; +use super::parser_context::ChainBehavior; +use super::parser_context::ContextElement; +use super::parser_context::ExitMatcherNode; +use super::text::symbol; +use super::text::Link; +use super::text::Res; +use super::text::TextElement; +use super::text_element_parser::_in_section; +use super::text_element_parser::flat_text_element; +use super::Context; +use nom::combinator::map; +use nom::combinator::recognize; +use nom::sequence::tuple; + +pub fn flat_link<'s, 'r>(context: Context<'r, 's>, i: &'s str) -> Res<&'s str, Link<'s>> { + let link_start = parser_with_context!(context_link_start)(&context); + let parser_context = context + .with_additional_node(ContextElement::ExitMatcherNode(ExitMatcherNode { + exit_matcher: ChainBehavior::AndParent(Some(&context_link_end)), + })) + .with_additional_node(ContextElement::Context("link")); + let (remaining, captured) = recognize(tuple((link_start, |i| { + context_many_till(&parser_context, flat_text_element, context_link_end)(i) + })))(i)?; + let ret = Link { contents: captured }; + Ok((remaining, ret)) +} + +fn can_start_link<'s, 'r>(context: Context<'r, 's>) -> bool { + !_in_section(context, "link") +} + +fn context_link_start<'s, 'r>(context: Context<'r, 's>, input: &'s str) -> Res<&'s str, &'s str> { + if can_start_link(context) { + recognize(link_start)(input) + } else { + // TODO: Make this a specific error instead of just a generic MyError + return Err(nom::Err::Error(CustomError::MyError(MyError( + "Cannot start link", + )))); + } +} + +fn context_link_end<'s, 'r>(context: Context<'r, 's>, input: &'s str) -> Res<&'s str, &'s str> { + let (remaining, actual_match) = recognize(link_end)(input)?; + Ok((remaining, actual_match)) +} + +fn link_start(input: &str) -> Res<&str, TextElement> { + map(symbol("["), TextElement::Symbol)(input) +} + +fn link_end(input: &str) -> Res<&str, TextElement> { + map(symbol("]"), TextElement::Symbol)(input) +} diff --git a/src/parser/mod.rs b/src/parser/mod.rs index 515aed6e..77336c97 100644 --- a/src/parser/mod.rs +++ b/src/parser/mod.rs @@ -1,6 +1,7 @@ mod bold; mod combinator; mod error; +mod link; mod list; mod parser_context; mod parser_with_context; diff --git a/src/parser/text.rs b/src/parser/text.rs index 3cfacebe..0e7a01df 100644 --- a/src/parser/text.rs +++ b/src/parser/text.rs @@ -100,14 +100,6 @@ fn blank_line(input: &str) -> Res<&str, BlankLine> { )(input) } -pub fn link_start(input: &str) -> Res<&str, TextElement> { - map(symbol("["), TextElement::Symbol)(input) -} - -pub fn link_end(input: &str) -> Res<&str, TextElement> { - map(symbol("]"), TextElement::Symbol)(input) -} - pub fn paragraph_end(input: &str) -> Res<&str, &str> { alt(( recognize(tuple(( diff --git a/src/parser/text_element_parser.rs b/src/parser/text_element_parser.rs index 52d637ef..9547fd79 100644 --- a/src/parser/text_element_parser.rs +++ b/src/parser/text_element_parser.rs @@ -5,19 +5,15 @@ use crate::parser::text::paragraph_end; use super::bold::flat_bold; use super::combinator::context_many1; use super::combinator::context_many_till; -use super::error::CustomError; -use super::error::MyError; +use super::link::flat_link; use super::parser_context::ChainBehavior; use super::parser_context::ContextElement; use super::parser_context::ContextTree; use super::parser_context::ExitMatcherNode; use super::text::line_break; -use super::text::link_end; -use super::text::link_start; use super::text::space; use super::text::span; use super::text::symbol; -use super::text::Link; use super::text::Paragraph; use super::text::Res; use super::text::TextElement; @@ -27,8 +23,6 @@ use nom::branch::alt; use nom::combinator::eof; use nom::combinator::map; use nom::combinator::not; -use nom::combinator::recognize; -use nom::sequence::tuple; use nom::IResult; type UnboundMatcher<'r, 's, I, O, E> = dyn Fn(Context<'r, 's>, I) -> IResult; @@ -53,10 +47,6 @@ pub fn context_paragraph_end<'s, 'r>( paragraph_end(input) } -fn can_start_link<'s, 'r>(context: Context<'r, 's>) -> bool { - !_in_section(context, "link") -} - pub fn _in_section<'s, 'r, 'x>(context: Context<'r, 's>, section_name: &'x str) -> bool { for thing in context.iter() { match thing.get_data() { @@ -103,25 +93,6 @@ pub fn _preceded_by_whitespace<'s, 'r>(context: Context<'r, 's>) -> bool { false } -pub fn context_link_start<'s, 'r>( - context: Context<'r, 's>, - input: &'s str, -) -> Res<&'s str, &'s str> { - if can_start_link(context) { - recognize(link_start)(input) - } else { - // TODO: Make this a specific error instead of just a generic MyError - return Err(nom::Err::Error(CustomError::MyError(MyError( - "Cannot start link", - )))); - } -} - -pub fn context_link_end<'s, 'r>(context: Context<'r, 's>, input: &'s str) -> Res<&'s str, &'s str> { - let (remaining, actual_match) = recognize(link_end)(input)?; - Ok((remaining, actual_match)) -} - pub fn paragraph<'s, 'r>(context: Context<'r, 's>, i: &'s str) -> Res<&'s str, Paragraph<'s>> { // Add a not(eof) check because many_till cannot match a zero-length string not(eof)(i)?; @@ -168,17 +139,3 @@ pub fn flat_text_element<'s, 'r>( map(line_break, TextElement::LineBreak), ))(i) } - -fn flat_link<'s, 'r>(context: Context<'r, 's>, i: &'s str) -> Res<&'s str, Link<'s>> { - let link_start = parser_with_context!(context_link_start)(&context); - let parser_context = context - .with_additional_node(ContextElement::ExitMatcherNode(ExitMatcherNode { - exit_matcher: ChainBehavior::AndParent(Some(&context_link_end)), - })) - .with_additional_node(ContextElement::Context("link")); - let (remaining, captured) = recognize(tuple((link_start, |i| { - context_many_till(&parser_context, flat_text_element, context_link_end)(i) - })))(i)?; - let ret = Link { contents: captured }; - Ok((remaining, ret)) -}