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Fix links & tests

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ef3d0c3e 2024-08-01 16:15:10 +02:00
parent bdb1c9d1c9
commit e4ce3edc4d
10 changed files with 405 additions and 178 deletions
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16
docs/external/graphviz.nml vendored
View file

@ -40,14 +40,14 @@ Graphs blocks are delimited by `` [graph]...[/graph]``
# Properties
* ``layout`` The layout engine, defaults to `dot`
see [Graphviz's documentation](https://graphviz.org/docs/layouts/), allowed values:
*- `[dot](https://graphviz.org/docs/layouts/dot/)`
*- `[neato](https://graphviz.org/docs/layouts/neato/)`
*- `[fdp](https://graphviz.org/docs/layouts/fdp/)`
*- `[sfdp](https://graphviz.org/docs/layouts/sfdp/)`
*- `[circo](https://graphviz.org/docs/layouts/circo/)`
*- `[twopi](https://graphviz.org/docs/layouts/twopi/)`
*- `[osage](https://graphviz.org/docs/layouts/osage/)`
*- `[patchwork](https://graphviz.org/docs/layouts/patchwork/)`
*- [`dot`](https://graphviz.org/docs/layouts/dot/)
*- [`neato`](https://graphviz.org/docs/layouts/neato/)
*- [`fdp`](https://graphviz.org/docs/layouts/fdp/)
*- [`sfdp`](https://graphviz.org/docs/layouts/sfdp/)
*- [`circo`](https://graphviz.org/docs/layouts/circo/)
*- [`twopi`](https://graphviz.org/docs/layouts/twopi/)
*- [`osage`](https://graphviz.org/docs/layouts/osage/)
*- [`patchwork`](https://graphviz.org/docs/layouts/patchwork/)
* ``width`` The resulting svg's width property, defaults to `100%`
# Examples

2
docs/styles/basic.nml
View file

@ -6,7 +6,7 @@
Enclose text between two ``**`` to render it **bold**!
* ``**Bold text**`` → **Bold text**
* ``**Bold [link](#)**`` → **Bold [link](#)**
* ``Bold [**link**](#)`` → Bold [**link**](#)
## Italic

85
src/document/document.rs
View file

@ -232,43 +232,60 @@ impl<'a> DocumentAccessors<'a> for dyn Document<'a> + '_ {
}
}
#[cfg(test)]
pub mod tests
{
#[macro_export]
macro_rules! validate_document {
($container:expr, $idx:expr,) => {};
($container:expr, $idx:expr, $t:ty; $($tail:tt)*) => {{
let elem = &$container[$idx];
assert!(elem.downcast_ref::<$t>().is_some(), "Invalid element at index {}, expected {}", $idx, stringify!($t));
validate_document!($container, ($idx+1), $($tail)*);
}};
($container:expr, $idx:expr, $t:ty { $($field:ident == $value:expr),* }; $($tail:tt)*) => {{
let elem = &$container[$idx];
assert!(elem.downcast_ref::<$t>().is_some(), "Invalid element at index {}, expected {}", $idx, stringify!($t));
$(
let val = &elem.downcast_ref::<$t>().unwrap().$field;
assert!(*val == $value, "Invalid field {} for {} at index {}, expected {:#?}, found {:#?}",
stringify!($field),
stringify!($t),
$idx,
$value,
val);
)*
pub mod tests {
#[macro_export]
macro_rules! validate_document {
($container:expr, $idx:expr,) => {};
($container:expr, $idx:expr, $t:ty; $($tail:tt)*) => {{
let elem = &$container[$idx];
assert!(elem.downcast_ref::<$t>().is_some(), "Invalid element at index {}, expected {}, got: {elem:#?}", $idx, stringify!($t));
validate_document!($container, ($idx+1), $($tail)*);
}};
($container:expr, $idx:expr, $t:ty { $($ts:tt)* }; $($tail:tt)*) => {{
let elem = &$container[$idx];
assert!(elem.downcast_ref::<$t>().is_some(), "Invalid container element at index {}, expected {}", $idx, stringify!($t));
}};
($container:expr, $idx:expr, $t:ty { $($field:ident == $value:expr),* }; $($tail:tt)*) => {{
let elem = &$container[$idx];
assert!(elem.downcast_ref::<$t>().is_some(), "Invalid element at index {}, expected {}, got: {elem:#?}", $idx, stringify!($t));
let contained = elem.as_container().unwrap().contained();
validate_document!(contained, 0, $($ts)*);
$(
let val = &elem.downcast_ref::<$t>().unwrap().$field;
assert!(*val == $value, "Invalid field {} for {} at index {}, expected {:#?}, found {:#?}",
stringify!($field),
stringify!($t),
$idx,
$value,
val);
)*
validate_document!($container, ($idx+1), $($tail)*);
}};
}
validate_document!($container, ($idx+1), $($tail)*);
}};
($container:expr, $idx:expr, $t:ty { $($ts:tt)* }; $($tail:tt)*) => {{
let elem = &$container[$idx];
assert!(elem.downcast_ref::<$t>().is_some(), "Invalid container element at index {}, expected {}", $idx, stringify!($t));
let contained = elem.as_container().unwrap().contained();
validate_document!(contained, 0, $($ts)*);
validate_document!($container, ($idx+1), $($tail)*);
}};
($container:expr, $idx:expr, $t:ty { $($field:ident == $value:expr),* } { $($ts:tt)* }; $($tail:tt)*) => {{
let elem = &$container[$idx];
assert!(elem.downcast_ref::<$t>().is_some(), "Invalid element at index {}, expected {}, got: {elem:#?}", $idx, stringify!($t));
$(
let val = &elem.downcast_ref::<$t>().unwrap().$field;
assert!(*val == $value, "Invalid field {} for {} at index {}, expected {:#?}, found {:#?}",
stringify!($field),
stringify!($t),
$idx,
$value,
val);
)*
let contained = elem.as_container().unwrap().contained();
validate_document!(contained, 0, $($ts)*);
validate_document!($container, ($idx+1), $($tail)*);
}};
}
}

134
src/elements/comment.rs
View file

@ -1,33 +1,44 @@
use mlua::{Function, Lua};
use regex::{Captures, Regex};
use crate::{document::document::Document, parser::{parser::Parser, rule::RegexRule, source::{Source, Token}}};
use ariadne::{Report, Label, ReportKind};
use crate::{compiler::compiler::Compiler, document::element::{ElemKind, Element}};
use std::{ops::Range, rc::Rc};
use crate::compiler::compiler::Compiler;
use crate::document::document::Document;
use crate::document::element::ElemKind;
use crate::document::element::Element;
use crate::parser::parser::Parser;
use crate::parser::rule::RegexRule;
use crate::parser::source::Source;
use crate::parser::source::Token;
use ariadne::Label;
use ariadne::Report;
use ariadne::ReportKind;
use mlua::Function;
use mlua::Lua;
use regex::Captures;
use regex::Regex;
use std::ops::Range;
use std::rc::Rc;
#[derive(Debug)]
pub struct Comment {
location: Token,
location: Token,
content: String,
}
impl Comment
{
pub fn new(location: Token, content: String ) -> Self {
Self { location: location, content }
}
impl Comment {
pub fn new(location: Token, content: String) -> Self {
Self {
location: location,
content,
}
}
}
impl Element for Comment
{
fn location(&self) -> &Token { &self.location }
fn kind(&self) -> ElemKind { ElemKind::Invisible }
fn element_name(&self) -> &'static str { "Comment" }
fn to_string(&self) -> String { format!("{self:#?}") }
fn compile(&self, _compiler: &Compiler, _document: &dyn Document)
-> Result<String, String> {
impl Element for Comment {
fn location(&self) -> &Token { &self.location }
fn kind(&self) -> ElemKind { ElemKind::Invisible }
fn element_name(&self) -> &'static str { "Comment" }
fn to_string(&self) -> String { format!("{self:#?}") }
fn compile(&self, _compiler: &Compiler, _document: &dyn Document) -> Result<String, String> {
Ok("".to_string())
}
}
}
pub struct CommentRule {
@ -36,7 +47,9 @@ pub struct CommentRule {
impl CommentRule {
pub fn new() -> Self {
Self { re: [Regex::new(r"\s*::(.*)").unwrap()] }
Self {
re: [Regex::new(r"(?:(?:^|\n)|[^\S\n]+)::(.*)").unwrap()],
}
}
}
@ -45,40 +58,77 @@ impl RegexRule for CommentRule {
fn regexes(&self) -> &[Regex] { &self.re }
fn on_regex_match<'a>(&self, _: usize, parser: &dyn Parser, document: &'a dyn Document, token: Token, matches: Captures)
-> Vec<Report<'_, (Rc<dyn Source>, Range<usize>)>> {
fn on_regex_match<'a>(
&self,
_: usize,
parser: &dyn Parser,
document: &'a dyn Document,
token: Token,
matches: Captures,
) -> Vec<Report<'_, (Rc<dyn Source>, Range<usize>)>> {
let mut reports = vec![];
let content = match matches.get(1)
{
let content = match matches.get(1) {
None => panic!("Unknown error"),
Some(comment) => {
let trimmed = comment.as_str().trim_start().trim_end().to_string();
if trimmed.is_empty()
{
if trimmed.is_empty() {
reports.push(
Report::build(ReportKind::Warning, token.source(), comment.start())
.with_message("Empty comment")
.with_label(
Label::new((token.source(), comment.range()))
.with_message("Comment is empty")
.with_color(parser.colors().warning))
.finish());
.with_message("Empty comment")
.with_label(
Label::new((token.source(), comment.range()))
.with_message("Comment is empty")
.with_color(parser.colors().warning),
)
.finish(),
);
}
trimmed
}
};
parser.push(document, Box::new(
Comment::new(
token.clone(),
content
)
));
return reports;
parser.push(document, Box::new(Comment::new(token.clone(), content)));
return reports;
}
fn lua_bindings<'lua>(&self, _lua: &'lua Lua) -> Option<Vec<(String, Function<'lua>)>> { None }
}
#[cfg(test)]
mod tests {
use crate::elements::paragraph::Paragraph;
use crate::elements::style::Style;
use crate::elements::text::Text;
use crate::parser::langparser::LangParser;
use crate::parser::source::SourceFile;
use crate::validate_document;
use super::*;
#[test]
fn parser() {
let source = Rc::new(SourceFile::with_content(
"".to_string(),
r#"
NOT COMMENT: `std::cmp`
:: Commented line
COMMENT ::Test
"#
.to_string(),
None,
));
let parser = LangParser::default();
let doc = parser.parse(source, None);
validate_document!(doc.content().borrow(), 0,
Paragraph {
Text; Style; Text; Style;
Comment { content == "Commented line" };
Text; Comment { content == "Test" };
};
);
}
}

18
src/elements/layout.rs
View file

@ -673,7 +673,7 @@ mod tests {
use crate::elements::text::Text;
use crate::parser::langparser::LangParser;
use crate::parser::source::SourceFile;
use crate::validate_document;
use crate::validate_document;
use super::*;
@ -703,29 +703,29 @@ use crate::validate_document;
let doc = parser.parse(source, None);
validate_document!(doc.content().borrow(), 0,
Layout { token == LayoutToken::Begin };
Layout { token == LayoutToken::Begin, id == 0 };
Paragraph {
Text { content == "A" };
};
Layout { token == LayoutToken::Begin };
Layout { token == LayoutToken::Begin, id == 0 };
Paragraph {
Text { content == "B" };
};
Layout { token == LayoutToken::End };
Layout { token == LayoutToken::Next };
Layout { token == LayoutToken::End, id == 1 };
Layout { token == LayoutToken::Next, id == 1 };
Paragraph {
Text { content == "C" };
};
Layout { token == LayoutToken::Begin };
Layout { token == LayoutToken::Begin, id == 0 };
Paragraph {
Text { content == "D" };
};
Layout { token == LayoutToken::Next };
Layout { token == LayoutToken::Next, id == 1 };
Paragraph {
Text { content == "E" };
};
Layout { token == LayoutToken::End };
Layout { token == LayoutToken::End };
Layout { token == LayoutToken::End, id == 2 };
Layout { token == LayoutToken::End, id == 2 };
);
}
}

178
src/elements/link.rs
View file

@ -1,12 +1,14 @@
use crate::compiler::compiler::Compiler;
use crate::compiler::compiler::Target;
use crate::document::document::Document;
use crate::document::element::ContainerElement;
use crate::document::element::ElemKind;
use crate::document::element::Element;
use crate::parser::parser::Parser;
use crate::parser::rule::RegexRule;
use crate::parser::source::Source;
use crate::parser::source::Token;
use crate::parser::source::VirtualSource;
use crate::parser::util;
use ariadne::Fmt;
use ariadne::Label;
@ -19,21 +21,15 @@ use regex::Regex;
use std::ops::Range;
use std::rc::Rc;
use super::paragraph::Paragraph;
#[derive(Debug)]
pub struct Link {
location: Token,
name: String, // Link name
url: String, // Link url
}
impl Link {
pub fn new(location: Token, name: String, url: String) -> Self {
Self {
location: location,
name,
url,
}
}
pub(self) location: Token,
/// Display content of link
pub(self) display: Paragraph,
/// Url of link
pub(self) url: String,
}
impl Element for Link {
@ -41,20 +37,39 @@ impl Element for Link {
fn kind(&self) -> ElemKind { ElemKind::Inline }
fn element_name(&self) -> &'static str { "Link" }
fn to_string(&self) -> String { format!("{self:#?}") }
fn compile(&self, compiler: &Compiler, _document: &dyn Document) -> Result<String, String> {
fn compile(&self, compiler: &Compiler, document: &dyn Document) -> Result<String, String> {
match compiler.target() {
Target::HTML => Ok(format!(
"<a href=\"{}\">{}</a>",
Compiler::sanitize(compiler.target(), self.url.as_str()),
Compiler::sanitize(compiler.target(), self.name.as_str()),
)),
Target::LATEX => Ok(format!(
"\\href{{{}}}{{{}}}",
Compiler::sanitize(compiler.target(), self.url.as_str()),
Compiler::sanitize(compiler.target(), self.name.as_str()),
)),
Target::HTML => {
let mut result = format!(
"<a href=\"{}\">",
Compiler::sanitize(compiler.target(), self.url.as_str())
);
result += self
.display
.compile(compiler, document)
.as_ref()
.map(|r| r.as_str())?;
result += "</a>";
Ok(result)
}
_ => todo!(""),
}
}
fn as_container(&self) -> Option<&dyn ContainerElement> { Some(self) }
}
impl ContainerElement for Link {
fn contained(&self) -> &Vec<Box<dyn Element>> { &self.display.content }
fn push(&mut self, elem: Box<dyn Element>) -> Result<(), String> {
if elem.downcast_ref::<Link>().is_some() {
return Err("Tried to push a link inside of a link".to_string());
}
self.display.push(elem)
}
}
pub struct LinkRule {
@ -78,47 +93,67 @@ impl RegexRule for LinkRule {
&self,
_: usize,
parser: &dyn Parser,
document: &'a dyn Document,
document: &'a (dyn Document<'a> + 'a),
token: Token,
matches: Captures,
) -> Vec<Report<'_, (Rc<dyn Source>, Range<usize>)>> {
let mut result = vec![];
let link_name = match matches.get(1) {
Some(name) => {
if name.as_str().is_empty() {
result.push(
Report::build(ReportKind::Error, token.source(), name.start())
let mut reports = vec![];
let link_display = match matches.get(1) {
Some(display) => {
if display.as_str().is_empty() {
reports.push(
Report::build(ReportKind::Error, token.source(), display.start())
.with_message("Empty link name")
.with_label(
Label::new((token.source().clone(), name.range()))
Label::new((token.source().clone(), display.range()))
.with_message("Link name is empty")
.with_color(parser.colors().error),
)
.finish(),
);
return result;
return reports;
}
// TODO: process into separate document...
let text_content = util::process_text(document, name.as_str());
if text_content.as_str().is_empty() {
result.push(
Report::build(ReportKind::Error, token.source(), name.start())
let processed = util::process_escaped('\\', "]", display.as_str());
if processed.is_empty() {
reports.push(
Report::build(ReportKind::Error, token.source(), display.start())
.with_message("Empty link name")
.with_label(
Label::new((token.source(), name.range()))
Label::new((token.source(), display.range()))
.with_message(format!(
"Link name is empty. Once processed, `{}` yields `{}`",
name.as_str().fg(parser.colors().highlight),
text_content.as_str().fg(parser.colors().highlight),
display.as_str().fg(parser.colors().highlight),
processed.fg(parser.colors().highlight),
))
.with_color(parser.colors().error),
)
.finish(),
);
return result;
return reports;
}
let source = Rc::new(VirtualSource::new(
Token::new(display.range(), token.source()),
"Link Display".to_string(),
processed,
));
match util::parse_paragraph(parser, source, document) {
Err(err) => {
reports.push(
Report::build(ReportKind::Error, token.source(), display.start())
.with_message("Failed to parse link display")
.with_label(
Label::new((token.source(), display.range()))
.with_message(err.to_string())
.with_color(parser.colors().error),
)
.finish(),
);
return reports;
}
Ok(paragraph) => *paragraph,
}
text_content
}
_ => panic!("Empty link name"),
};
@ -126,7 +161,7 @@ impl RegexRule for LinkRule {
let link_url = match matches.get(2) {
Some(url) => {
if url.as_str().is_empty() {
result.push(
reports.push(
Report::build(ReportKind::Error, token.source(), url.start())
.with_message("Empty link url")
.with_label(
@ -136,12 +171,12 @@ impl RegexRule for LinkRule {
)
.finish(),
);
return result;
return reports;
}
let text_content = util::process_text(document, url.as_str());
if text_content.as_str().is_empty() {
result.push(
reports.push(
Report::build(ReportKind::Error, token.source(), url.start())
.with_message("Empty link url")
.with_label(
@ -155,7 +190,7 @@ impl RegexRule for LinkRule {
)
.finish(),
);
return result;
return reports;
}
text_content
}
@ -164,12 +199,55 @@ impl RegexRule for LinkRule {
parser.push(
document,
Box::new(Link::new(token.clone(), link_name, link_url)),
Box::new(Link {
location: token,
display: link_display,
url: link_url,
}),
);
return result;
return reports;
}
// TODO
fn lua_bindings<'lua>(&self, _lua: &'lua Lua) -> Option<Vec<(String, Function<'lua>)>> { None }
}
#[cfg(test)]
mod tests {
use crate::elements::style::Style;
use crate::elements::text::Text;
use crate::parser::langparser::LangParser;
use crate::parser::source::SourceFile;
use crate::validate_document;
use super::*;
#[test]
fn parser() {
let source = Rc::new(SourceFile::with_content(
"".to_string(),
r#"
Some [link](url).
[**BOLD link**](another url)
"#
.to_string(),
None,
));
let parser = LangParser::default();
let doc = parser.parse(source, None);
validate_document!(doc.content().borrow(), 0,
Paragraph {
Text { content == "Some " };
Link { url == "url" } { Text { content == "link" }; };
Text { content == "." };
Link { url == "another url" } {
Style;
Text { content == "BOLD link" };
Style;
};
};
);
}
}

47
src/elements/paragraph.rs
View file

@ -100,6 +100,9 @@ impl ContainerElement for Paragraph {
if elem.location().source() == self.location().source() {
self.location.range = self.location.start()..elem.location().end();
}
if elem.kind() == ElemKind::Block {
return Err("Attempted to push block element inside a paragraph".to_string());
}
self.content.push(elem);
Ok(())
}
@ -152,3 +155,47 @@ impl Rule for ParagraphRule {
// TODO
fn lua_bindings<'lua>(&self, _lua: &'lua Lua) -> Option<Vec<(String, Function<'lua>)>> { None }
}
#[cfg(test)]
mod tests {
use crate::elements::paragraph::Paragraph;
use crate::elements::text::Text;
use crate::parser::langparser::LangParser;
use crate::parser::source::SourceFile;
use crate::validate_document;
use super::*;
#[test]
fn parse() {
let source = Rc::new(SourceFile::with_content(
"".to_string(),
r#"
First paragraph
Second line
Second paragraph\
<- literal \\n
Last paragraph
"#
.to_string(),
None,
));
let parser = LangParser::default();
let doc = parser.parse(source, None);
validate_document!(doc.content().borrow(), 0,
Paragraph {
Text { content == "First paragraph Second line" };
};
Paragraph {
Text { content == "Second paragraph\n<- literal \\n" };
};
Paragraph {
Text { content == "Last paragraph " };
};
);
}
}

51
src/elements/style.rs
View file

@ -222,3 +222,54 @@ impl RegexRule for StyleRule {
// TODO
fn lua_bindings<'lua>(&self, _lua: &'lua Lua) -> Option<Vec<(String, Function<'lua>)>> { None }
}
#[cfg(test)]
mod tests {
use crate::elements::text::Text;
use crate::parser::langparser::LangParser;
use crate::parser::source::SourceFile;
use crate::validate_document;
use super::*;
#[test]
fn parser() {
let source = Rc::new(SourceFile::with_content(
"".to_string(),
r#"
Some *style
terminated here*
**BOLD + *italic***
__`UNDERLINE+EM`__
"#
.to_string(),
None,
));
let parser = LangParser::default();
let doc = parser.parse(source, None);
validate_document!(doc.content().borrow(), 0,
Paragraph {
Text;
Style { kind == 1, close == false };
Text;
Style { kind == 1, close == true };
};
Paragraph {
Style { kind == 0, close == false }; // **
Text;
Style { kind == 1, close == false }; // *
Text;
Style { kind == 0, close == true }; // **
Style { kind == 1, close == true }; // *
Style { kind == 2, close == false }; // __
Style { kind == 3, close == false }; // `
Text;
Style { kind == 3, close == true }; // `
Style { kind == 2, close == true }; // __
};
);
}
}

50
src/elements/tex.rs
View file

@ -253,7 +253,7 @@ impl TexRule {
.unwrap(),
Regex::new(r"\$(?:\[((?:\\.|[^\\\\])*?)\])?(?:((?:\\.|[^\\\\])*?)\$)?").unwrap(),
],
properties: PropertyParser{ properties: props },
properties: PropertyParser { properties: props },
}
}
@ -435,8 +435,10 @@ impl RegexRule for TexRule {
#[cfg(test)]
mod tests {
use crate::elements::paragraph::Paragraph;
use crate::parser::langparser::LangParser;
use crate::parser::source::SourceFile;
use crate::validate_document;
use super::*;
@ -446,7 +448,7 @@ mod tests {
"".to_string(),
r#"
$[kind=block, caption=Some\, text\\] 1+1=2 $
$|[env=another] Non Math \LaTeX|$
$|[env=another] Non Math \LaTeX |$
$[kind=block,env=another] e^{i\pi}=-1$
"#
.to_string(),
@ -455,19 +457,11 @@ $[kind=block,env=another] e^{i\pi}=-1$
let parser = LangParser::default();
let doc = parser.parse(source, None);
let borrow = doc.content().borrow();
let found = borrow
.iter()
.filter_map(|e| e.downcast_ref::<Tex>())
.collect::<Vec<_>>();
assert_eq!(found[0].tex, "1+1=2");
assert_eq!(found[0].env, "main");
assert_eq!(found[0].caption, Some("Some, text\\".to_string()));
assert_eq!(found[1].tex, "Non Math \\LaTeX");
assert_eq!(found[1].env, "another");
assert_eq!(found[2].tex, "e^{i\\pi}=-1");
assert_eq!(found[2].env, "another");
validate_document!(doc.content().borrow(), 0,
Tex { mathmode == true, tex == "1+1=2", env == "main", caption == Some("Some, text\\".to_string()) };
Tex { mathmode == false, tex == "Non Math \\LaTeX", env == "another" };
Tex { mathmode == true, tex == "e^{i\\pi}=-1", env == "another" };
);
}
#[test]
@ -485,24 +479,12 @@ $[env=another] e^{i\pi}=-1$
let parser = LangParser::default();
let doc = parser.parse(source, None);
let borrow = doc.content().borrow();
let found = borrow
.first()
.unwrap()
.as_container()
.unwrap()
.contained()
.iter()
.filter_map(|e| e.downcast_ref::<Tex>())
.collect::<Vec<_>>();
assert_eq!(found[0].tex, "1+1=2");
assert_eq!(found[0].env, "main");
assert_eq!(found[0].caption, Some("Some, text\\".to_string()));
assert_eq!(found[1].tex, "Non Math \\LaTeX");
assert_eq!(found[1].env, "another");
assert_eq!(found[1].caption, Some("Enclosed ].".to_string()));
assert_eq!(found[2].tex, "e^{i\\pi}=-1");
assert_eq!(found[2].env, "another");
validate_document!(doc.content().borrow(), 0,
Paragraph {
Tex { mathmode == true, tex == "1+1=2", env == "main", caption == Some("Some, text\\".to_string()) };
Tex { mathmode == false, tex == "Non Math \\LaTeX", env == "another" };
Tex { mathmode == true, tex == "e^{i\\pi}=-1", env == "another" };
};
);
}
}

2
src/parser/util.rs
View file

@ -147,6 +147,8 @@ pub fn parse_paragraph<'a>(
return Err("Parsed document is empty");
} else if parsed.last_element::<Paragraph>().is_none() {
return Err("Parsed element is not a paragraph");
} else if parser.has_error() {
return Err("Parser error");
}
let paragraph = parsed.content().borrow_mut().pop().unwrap();