forked from mars/tml
Initial commit
This commit is contained in:
mars
commit
5496a7064c
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@ -0,0 +1 @@
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|||
/target
|
||||
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@ -0,0 +1,280 @@
|
|||
# This file is automatically @generated by Cargo.
|
||||
# It is not intended for manual editing.
|
||||
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name = "tml"
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version = "0.1.0"
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dependencies = [
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"ansi_term",
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"lexpr",
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"strum",
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"textwrap",
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]
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dependencies = [
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"hashbrown",
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"regex",
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]
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[[package]]
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name = "unicode-width"
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[[package]]
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name = "version_check"
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version = "0.9.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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name = "wasi"
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version = "0.11.0+wasi-snapshot-preview1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "winapi"
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version = "0.3.9"
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checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
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dependencies = [
|
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"winapi-i686-pc-windows-gnu",
|
||||
"winapi-x86_64-pc-windows-gnu",
|
||||
]
|
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|
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[[package]]
|
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name = "winapi-i686-pc-windows-gnu"
|
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version = "0.4.0"
|
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source = "registry+https://github.com/rust-lang/crates.io-index"
|
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checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
|
||||
|
||||
[[package]]
|
||||
name = "winapi-x86_64-pc-windows-gnu"
|
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version = "0.4.0"
|
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
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|
|
@ -0,0 +1,10 @@
|
|||
[package]
|
||||
name = "tml"
|
||||
version = "0.1.0"
|
||||
edition = "2021"
|
||||
|
||||
[dependencies]
|
||||
lexpr = "0.2"
|
||||
strum = { version = "0.24", features = ["derive"] }
|
||||
ansi_term = "0.12"
|
||||
textwrap = "0.15"
|
||||
|
|
@ -0,0 +1 @@
|
|||
((h1 "Hello world!"))
|
||||
|
|
@ -0,0 +1,40 @@
|
|||
(
|
||||
(h1 "Hello world!")
|
||||
|
||||
(p "Text goes here.")
|
||||
|
||||
(h2 "Heading 2")
|
||||
|
||||
(p "Text
|
||||
spread
|
||||
across
|
||||
multiple
|
||||
lines.")
|
||||
|
||||
(h3 "Heading 3")
|
||||
|
||||
(p
|
||||
"Some text can be "
|
||||
(italic "italicized")
|
||||
" and some text can be "
|
||||
(bold "emboldened") ". "
|
||||
"Other text can be "
|
||||
(underline "underlined") ". "
|
||||
"If you want to write text "
|
||||
"but pretend that you didn't, "
|
||||
"you can "
|
||||
(strikethrough "strike it out") ".")
|
||||
|
||||
(p
|
||||
"You can even do "
|
||||
(strikethrough (bold (italic (underline "EVERYTHING AT ONCE"))))
|
||||
".")
|
||||
|
||||
(ul "Unordered list entry")
|
||||
(ul "Unordered list entry")
|
||||
(ul "Unordered list entry")
|
||||
|
||||
(ol "List entry 1")
|
||||
(ol "List entry 2")
|
||||
(ol "List entry 3")
|
||||
)
|
||||
|
|
@ -0,0 +1,208 @@
|
|||
use ansi_term::Style;
|
||||
use std::str::FromStr;
|
||||
use strum::EnumString;
|
||||
|
||||
#[derive(Clone, Debug)]
|
||||
pub struct Stylesheet {
|
||||
pub h1: Style,
|
||||
pub h2: Style,
|
||||
pub h3: Style,
|
||||
pub h1_prefix: String,
|
||||
pub h2_prefix: String,
|
||||
pub h3_prefix: String,
|
||||
pub p: Style,
|
||||
pub underline: Style,
|
||||
pub bold: Style,
|
||||
pub italic: Style,
|
||||
pub strikethrough: Style,
|
||||
pub bullet: Style,
|
||||
pub ul_prefix: String,
|
||||
pub list_indent: usize,
|
||||
}
|
||||
|
||||
impl Default for Stylesheet {
|
||||
fn default() -> Self {
|
||||
use ansi_term::Color::*;
|
||||
|
||||
let header_style = Blue.bold().underline();
|
||||
|
||||
Self {
|
||||
h1: header_style,
|
||||
h2: header_style,
|
||||
h3: header_style,
|
||||
h1_prefix: "# ".to_string(),
|
||||
h2_prefix: "## ".to_string(),
|
||||
h3_prefix: "### ".to_string(),
|
||||
p: Style::new(),
|
||||
underline: Style::new().underline(),
|
||||
bold: Style::new().bold(),
|
||||
italic: Style::new().italic(),
|
||||
strikethrough: Style::new().strikethrough(),
|
||||
bullet: Black.into(),
|
||||
ul_prefix: "* ".to_string(),
|
||||
list_indent: 4,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(Clone, Copy, Debug, EnumString)]
|
||||
#[strum(serialize_all = "kebab-case", ascii_case_insensitive)]
|
||||
pub enum TagKind {
|
||||
H1,
|
||||
H2,
|
||||
H3,
|
||||
P,
|
||||
Underline,
|
||||
Italic,
|
||||
Bold,
|
||||
Strikethrough,
|
||||
Ul,
|
||||
Ol,
|
||||
}
|
||||
|
||||
#[derive(Clone, Debug)]
|
||||
pub struct Tag {
|
||||
pub kind: TagKind,
|
||||
pub children: Vec<Node>,
|
||||
}
|
||||
|
||||
impl Tag {
|
||||
pub fn layout(&self, style: &Stylesheet, available_width: usize) -> Vec<String> {
|
||||
use TagKind::*;
|
||||
|
||||
match self.kind {
|
||||
H1 | H2 | H3 | P | Underline | Italic | Bold => {
|
||||
let styled = self.style(style);
|
||||
textwrap::wrap(&styled, available_width)
|
||||
.into_iter()
|
||||
.map(|s| s.to_string())
|
||||
.collect()
|
||||
}
|
||||
Ul => {
|
||||
if available_width <= style.list_indent {
|
||||
panic!("Ran out of available width!");
|
||||
}
|
||||
|
||||
let available_width = available_width - style.list_indent;
|
||||
let styled = self.style_children(style);
|
||||
|
||||
let subsequent_indent: String =
|
||||
std::iter::repeat(" ").take(style.list_indent).collect();
|
||||
|
||||
let options = textwrap::Options::new(available_width)
|
||||
.initial_indent(&style.ul_prefix)
|
||||
.subsequent_indent(&subsequent_indent);
|
||||
|
||||
textwrap::wrap(&styled, options)
|
||||
.into_iter()
|
||||
.map(|s| s.to_string())
|
||||
.collect()
|
||||
}
|
||||
_ => unimplemented!(),
|
||||
}
|
||||
}
|
||||
|
||||
pub fn style_children(&self, style: &Stylesheet) -> String {
|
||||
let mut string = String::new();
|
||||
|
||||
for child in self.children.iter() {
|
||||
let child_string = match child {
|
||||
Node::Tag(tag) => tag.style(style),
|
||||
Node::String(string) => string.to_owned(),
|
||||
};
|
||||
|
||||
string.push_str(&child_string);
|
||||
}
|
||||
|
||||
string
|
||||
}
|
||||
|
||||
pub fn style(&self, style: &Stylesheet) -> String {
|
||||
use TagKind::*;
|
||||
let prefix = match self.kind {
|
||||
H1 => Some(&style.h1_prefix),
|
||||
H2 => Some(&style.h2_prefix),
|
||||
H3 => Some(&style.h3_prefix),
|
||||
_ => None,
|
||||
};
|
||||
|
||||
let string = self.style_children(style);
|
||||
|
||||
let style = match self.kind {
|
||||
H1 => style.h1,
|
||||
H2 => style.h2,
|
||||
H3 => style.h3,
|
||||
P => style.p,
|
||||
Underline => style.underline,
|
||||
Bold => style.bold,
|
||||
Italic => style.italic,
|
||||
Strikethrough => style.strikethrough,
|
||||
_ => panic!("Cannot style {:?} tags", self.kind),
|
||||
};
|
||||
|
||||
if let Some(prefix) = prefix {
|
||||
let string = format!("{}{}", prefix, string);
|
||||
style.paint(string).to_string()
|
||||
} else {
|
||||
style.paint(string).to_string()
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(Clone, Debug)]
|
||||
pub enum Node {
|
||||
Tag(Tag),
|
||||
String(String),
|
||||
}
|
||||
|
||||
pub fn parse_cons(inner: lexpr::Cons) -> Tag {
|
||||
let mut iter = inner.to_vec().0.into_iter();
|
||||
|
||||
let symbol = match iter.next() {
|
||||
Some(lexpr::Value::Symbol(symbol)) => symbol,
|
||||
_ => panic!("First element of cons must be a symbol"),
|
||||
};
|
||||
|
||||
let kind = match TagKind::from_str(&symbol) {
|
||||
Ok(kind) => kind,
|
||||
_ => panic!("Unrecognized tag kind {}", symbol),
|
||||
};
|
||||
|
||||
let mut children = Vec::new();
|
||||
|
||||
for node in iter {
|
||||
let child = match node {
|
||||
lexpr::Value::String(string) => Node::String(string.to_string()),
|
||||
lexpr::Value::Cons(cons) => Node::Tag(parse_cons(cons)),
|
||||
_ => unimplemented!("Invalid tag argument: {:#?}", node),
|
||||
};
|
||||
|
||||
children.push(child);
|
||||
}
|
||||
|
||||
Tag { kind, children }
|
||||
}
|
||||
|
||||
fn main() {
|
||||
let src_path = std::env::args().nth(1).unwrap();
|
||||
let src = std::fs::read_to_string(src_path).unwrap();
|
||||
let options =
|
||||
lexpr::parse::Options::new().with_string_syntax(lexpr::parse::StringSyntax::Elisp);
|
||||
let expr = lexpr::from_str_custom(&src, options).unwrap();
|
||||
|
||||
println!("{:#?}", expr);
|
||||
|
||||
let cons = expr.as_cons().unwrap().to_vec().0;
|
||||
let style = Stylesheet::default();
|
||||
let width = 40;
|
||||
|
||||
for value in cons {
|
||||
let tag_cons = value.as_cons().unwrap().to_owned();
|
||||
let tag = parse_cons(tag_cons);
|
||||
for line in tag.layout(&style, width) {
|
||||
println!("{}", line);
|
||||
}
|
||||
|
||||
println!("");
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue