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colorscheme.rs
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colorscheme.rs
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use crate::palette::{ColorCode, Palette};
use std::fmt::Display;
use std::io::{Result, Write};
const NONE_COLOR: ColorCode<&'static str> = ColorCode::Normal("NONE");
type ColorName = Option<&'static str>;
#[derive(Debug, PartialEq)]
enum HiAttr {
Nothing,
Bold,
Italic,
Underline,
Reverse,
None,
CommentItalic,
Undercurl,
}
#[derive(Debug)]
struct HiCommand {
name: &'static str,
fg: ColorName,
bg: ColorName,
sp: ColorName,
attr: HiAttr,
}
#[derive(Debug)]
enum Highlight {
Fixed(HiCommand),
Dynamic { gui: HiCommand, term: HiCommand }, // Use different highlights for GUI and CUI
}
fn indent(level: u8) -> &'static str {
&" "[..level as usize * 4]
}
#[derive(Debug)]
pub struct Colorscheme<'a> {
palette: &'a Palette<'a>,
highlights: &'a [Highlight],
term_colors: [&'static str; 16],
}
impl<'a> Colorscheme<'a> {
pub fn new(palette: &'a Palette) -> Self {
macro_rules! color {
(-) => {
None // '-' means don't care
};
($name:ident) => {
Some(stringify!($name))
};
}
macro_rules! hi {
($name:ident, $fg:tt, $bg:tt , $sp:tt, $attr:ident) => {
HiCommand {
name: stringify!($name),
fg: color!($fg),
bg: color!($bg),
sp: color!($sp),
attr: HiAttr::$attr,
}
};
}
use Highlight::{Dynamic, Fixed};
#[rustfmt::skip]
let highlights = &[
// NAME FG BG SP ATTRIBUTES
//---------------------------------------------------------------------------------
// Normal colors
Fixed(hi!(Boolean, red, -, -, Nothing)),
Fixed(hi!(Character, green, -, -, Nothing)),
Fixed(hi!(ColorColumn, -, bgstrong, -, Nothing)),
Fixed(hi!(Comment, weakfg, -, -, CommentItalic)),
Fixed(hi!(Conceal, mikan, bg, -, Nothing)),
Fixed(hi!(Conditional, skyblue, -, -, Nothing)),
Fixed(hi!(Constant, red, -, -, Nothing)),
Fixed(hi!(Cursor, bg, fg, -, Nothing)),
Fixed(hi!(lCursor, bg, fg, -, Nothing)),
Fixed(hi!(CursorColumn, -, bgemphasis, -, Nothing)),
Fixed(hi!(CursorLine, -, bgemphasis, -, None)),
Fixed(hi!(CursorLineNr, purple, bgstrong, -, Nothing)),
Fixed(hi!(Define, orange, -, -, Nothing)),
Fixed(hi!(Directory, green, -, -, Nothing)),
Fixed(hi!(EndOfBuffer, bgstrong, -, -, Nothing)),
Fixed(hi!(Error, red, bgemphasis, -, Bold)),
Fixed(hi!(ErrorMsg, red, bg, -, Bold)),
Fixed(hi!(Float, red, -, -, Nothing)),
Fixed(hi!(NormalFloat, fg, bgweaker, -, Nothing)),
Fixed(hi!(FloatBorder, weakfg, bgweaker, -, Nothing)),
Fixed(hi!(FoldColumn, purple, bgemphasis, -, Nothing)),
Fixed(hi!(Folded, purple, light, -, Nothing)),
Fixed(hi!(Function, orange, -, -, Nothing)),
Fixed(hi!(Identifier, gold, -, -, Italic)),
Fixed(hi!(IncSearch, NONE, sakura, -, Underline)),
Fixed(hi!(Keyword, yellow, -, -, Bold)),
Fixed(hi!(Label, skyblue, -, -, Nothing)),
Fixed(hi!(LineNr, weakerfg, bgemphasis, -, Nothing)),
Fixed(hi!(MatchParen, bg, gold, -, Bold)),
Fixed(hi!(ModeMsg, gold, -, -, Nothing)),
Fixed(hi!(MoreMsg, green, -, -, Nothing)),
Fixed(hi!(NonText, light, -, -, Nothing)),
Fixed(hi!(Normal, fg, bg, -, Nothing)),
Fixed(hi!(Number, red, -, -, Nothing)),
Fixed(hi!(Operater, orange, -, -, Nothing)),
Fixed(hi!(Pmenu, purple, bgemphasis, -, Nothing)),
Fixed(hi!(PmenuSbar, gold, bgstrong, -, Nothing)),
Fixed(hi!(PmenuSel, gold, bgstrong, -, Nothing)),
Fixed(hi!(PmenuThumb, gold, weakfg, -, Nothing)),
Fixed(hi!(PreProc, orange, -, -, Nothing)),
Fixed(hi!(Question, skyblue, -, -, Nothing)),
Fixed(hi!(Search, NONE, nasu, -, Underline)),
Fixed(hi!(SignColumn, fg, bgemphasis, -, Nothing)),
Fixed(hi!(Special, yellow, -, -, Bold)),
Fixed(hi!(SpecialKey, hiddenfg, -, -, Nothing)),
Fixed(hi!(SpecialComment, palepink, -, -, Nothing)),
Dynamic {
gui: hi!(SpellBad, red, -, red, Undercurl),
term: hi!(SpellBad, red, NONE, red, Undercurl),
},
Dynamic {
gui: hi!(SpellCap, purple, -, purple, Undercurl),
term: hi!(SpellCap, purple, NONE, purple, Undercurl),
},
Dynamic {
gui: hi!(SpellLocal, red, -, red, Undercurl),
term: hi!(SpellLocal, red, NONE, red, Undercurl),
},
Dynamic {
gui: hi!(SpellRare, yellow, -, yellow, Undercurl),
term: hi!(SpellRare, yellow, NONE, yellow, Undercurl),
},
Fixed(hi!(Statement, skyblue, -, -, Nothing)),
Fixed(hi!(StatusLine, fg, bgstrong, -, Bold)),
Fixed(hi!(StatusLineNC, weakfg, bgemphasis, -, None)),
Fixed(hi!(StatusLineTerm, fg, bgstrong, -, Bold)),
Fixed(hi!(StatusLineTermNC, weakfg, bgemphasis, -, None)),
Fixed(hi!(StorageClass, gold, -, -, Italic)),
Fixed(hi!(String, green, -, -, Nothing)),
Fixed(hi!(TabLine, weakfg, bgstrong, -, Nothing)),
Fixed(hi!(TabLineFill, bgemphasis, -, -, Nothing)),
Fixed(hi!(TabLineSel, gold, bg, -, Bold)),
Fixed(hi!(Tag, orange, -, -, Nothing)),
Fixed(hi!(Title, gold, -, -, Bold)),
Fixed(hi!(Todo, bg, red, -, Bold)),
Fixed(hi!(ToolbarButton, gold, bg, -, Bold)),
Fixed(hi!(ToolbarLine, weakfg, bgstrong, -, Nothing)),
Fixed(hi!(Type, gold, -, -, Nothing)),
Fixed(hi!(Underlined, skyblue, -, -, Underline)),
Fixed(hi!(VertSplit, bgemphasis, bg, -, Nothing)),
Fixed(hi!(Visual, -, yaezakura, -, Nothing)),
Fixed(hi!(WarningMsg, mikan, bgemphasis, -, Nothing)),
Fixed(hi!(WildMenu, bg, gold, -, Nothing)),
//
// File type specific
//
// Markdown is highlighted with H TML highlights in gVim but link text doesn't
// have a color. So define it her e.
Fixed(hi!(cmakeArguments, yellow, -, -, Nothing)),
Fixed(hi!(cmakeOperators, red, -, -, Nothing)),
Fixed(hi!(cStorageClass, yellow, -, -, Nothing)),
Fixed(hi!(cTypedef, yellow, -, -, Nothing)),
Fixed(hi!(DiffAdd, -, darkgreen, -, Bold)),
Fixed(hi!(DiffChange, -, darkgold, -, Bold)),
Fixed(hi!(DiffDelete, fg, mildred, -, Bold)),
Fixed(hi!(DiffText, -, bg, -, Nothing)),
Fixed(hi!(diffAdded, green, -, -, Nothing)),
Fixed(hi!(diffFile, yellow, -, -, Nothing)),
Fixed(hi!(diffIndexLine, gold, -, -, Nothing)),
Fixed(hi!(diffNewFile, yellow, -, -, Nothing)),
Fixed(hi!(diffRemoved, red, -, -, Nothing)),
Fixed(hi!(gitCommitOverflow, -, mildred, -, Nothing)),
Fixed(hi!(gitCommitSummary, yellow, -, -, Nothing)),
Fixed(hi!(gitCommitSelectedFile, skyblue, -, -, Nothing)),
Fixed(hi!(gitconfigSection, skyblue, -, -, Bold)),
Fixed(hi!(goBuiltins, red, -, -, Nothing)),
Fixed(hi!(helpExample, skyblue, -, -, Nothing)),
Fixed(hi!(helpCommand, purple, -, -, Nothing)),
Fixed(hi!(htmlBold, -, bgemphasis, -, Nothing)),
Fixed(hi!(htmlLinkText, skyblue, -, -, Nothing)),
Fixed(hi!(htmlTagName, orange, -, -, Nothing)),
Fixed(hi!(javaScriptBraces, fg, -, -, Nothing)),
Fixed(hi!(makeCommands, yellow, -, -, Nothing)),
Fixed(hi!(markdownCode, yellow, -, -, Nothing)),
Fixed(hi!(markdownUrl, weakfg, -, -, Nothing)),
Fixed(hi!(ocamlConstructor, gold, -, -, Nothing)),
Fixed(hi!(ocamlKeyChar, skyblue, -, -, Nothing)),
Fixed(hi!(ocamlKeyword, gold , -, -, Nothing)),
Fixed(hi!(ocamlFunDef, skyblue, -, -, Nothing)),
Fixed(hi!(plantumlColonLine, skyblue, -, -, Nothing)),
Fixed(hi!(pythonBuiltin, red, -, -, Nothing)),
Fixed(hi!(qfFileName, gold, -, -, Nothing)),
Fixed(hi!(qfLineNr, skyblue, -, -, Nothing)),
Fixed(hi!(rstEmphasis, -, bgemphasis, -, Italic)),
Fixed(hi!(rstStrongEmphasis, -, bgstrong, -, Bold)),
Fixed(hi!(rubyFunction, yellow, -, -, Nothing)),
Fixed(hi!(rubyIdentifier, yellow, -, -, Nothing)),
Fixed(hi!(rustEnumVariant, gold, -, -, Nothing)),
Fixed(hi!(rustFuncCall, fg, -, -, Nothing)),
Fixed(hi!(rustCommentLineDoc, palepink, -, -, Nothing)),
Fixed(hi!(scalaInstanceDeclaration, gold, -, -, Nothing)),
Fixed(hi!(tomlTable, skyblue, -, -, Nothing)),
Fixed(hi!(tomlTableArray, skyblue, -, -, Nothing)),
Fixed(hi!(tomlKey, gold, -, -, Nothing)),
Fixed(hi!(tmuxCommands, skyblue, -, -, Nothing)),
Fixed(hi!(tmuxFlags, gold, -, -, Nothing)),
Fixed(hi!(tmuxFormatString, yellow, -, -, Nothing)),
Fixed(hi!(typescriptBraces, fg, -, -, Nothing)),
Fixed(hi!(typescriptAsyncFuncKeyword, skyblue, -, -, Nothing)),
Fixed(hi!(typescriptKeywordOp, yellow, -, -, Bold)),
Fixed(hi!(vimfilerColumn__SizeLine, weakfg, -, -, Nothing)),
Fixed(hi!(vimfilerClosedFile, green, -, -, Nothing)),
Fixed(hi!(vimCommand, skyblue, -, -, Nothing)),
Fixed(hi!(watListDelimiter, fg, -, -, Nothing)),
Fixed(hi!(watInstGeneral, yellow, -, -, Nothing)),
Fixed(hi!(watInstGetSet, yellow, -, -, Nothing)),
Fixed(hi!(watInstWithType, yellow, -, -, Nothing)),
Fixed(hi!(watUnnamedVar, purple, -, -, Nothing)),
Fixed(hi!(zshDelimiter, skyblue, -, -, Nothing)),
Fixed(hi!(zshPrecommand, red, -, -, Nothing)),
Fixed(hi!(debugPC, bg, skyblue, -, Nothing)),
Fixed(hi!(debugBreakPoint, bg, gold, -, Nothing)),
Fixed(hi!(zigMultilineStringDelimiter, yellow, -, -, Nothing)),
//
// Plugin specific
//
// Some plugins introduce its own highlight definitions. Adjust them for
// working fine with this colorscheme.
Fixed(hi!(ALEWarningSign, orange, bgemphasis, -, Bold)),
Fixed(hi!(ALEErrorSign, bgemphasis, mildred, -, Bold)),
Fixed(hi!(ALEInfoSign, -, light, -, Nothing)),
Fixed(hi!(ALEError, -, mildred, -, Nothing)),
Fixed(hi!(ALEWarning, -, darkgold, -, Nothing)),
Fixed(hi!(Flake8_Error, red, bgemphasis, -, Nothing)),
Fixed(hi!(Flake8_Warning, yellow, bgemphasis, -, Nothing)),
Fixed(hi!(Flake8_PyFlake, skyblue, bgemphasis, -, Nothing)),
Fixed(hi!(Flake8_Complexity, skyblue, bgemphasis, -, Nothing)),
Fixed(hi!(Flake8_Naming, skyblue, bgemphasis, -, Nothing)),
Fixed(hi!(SignifySignAdd, green, bgemphasis, -, Nothing)),
Fixed(hi!(SignifySignChange, yellow, bgemphasis, -, Nothing)),
Fixed(hi!(SignifySignChangeDelete, gold, bgemphasis, -, Nothing)),
Fixed(hi!(SignifySignDelete, red, bgemphasis, -, Nothing)),
Fixed(hi!(CleverFChar, bg, red, -, Nothing)),
Fixed(hi!(CleverFDirect, bg, red, -, Nothing)),
Fixed(hi!(DirvishArg, yellow, -, -, Bold)),
Fixed(hi!(EasyMotionTarget, red, -, -, Bold)),
Fixed(hi!(EasyMotionShade, weakfg, bg, -, Nothing)),
Fixed(hi!(GitGutterAdd, green, bgemphasis, -, Nothing)),
Fixed(hi!(GitGutterChange, yellow, bgemphasis, -, Nothing)),
Fixed(hi!(GitGutterChangeDelete, gold, bgemphasis, -, Nothing)),
Fixed(hi!(GitGutterDelete, red, bgemphasis, -, Nothing)),
Fixed(hi!(HighlightedyankRegion, -, bgemphasis, -, Nothing)),
Dynamic {
gui: hi!(EasyMotionIncCursor, bg, fg, -, Nothing),
term: hi!(EasyMotionIncCursor, -, -, -, Reverse),
},
Fixed(hi!(plugDeleted, weakfg, -, -, Nothing)),
Fixed(hi!(ConflictMarker, -, mildred, -, Nothing)),
Fixed(hi!(IndentGuidesOdd, -, bgweaker, -, Nothing)),
Fixed(hi!(IndentGuidesEven, -, bgemphasis, -, Nothing)),
];
let term_colors = [
"bg", // 0: black
"crimson", // 1: red
"green", // 2: green
"gold", // 3: yellow
"blue", // 4: blue
"purple", // 5: magenta
"skyblue", // 6: cyan
"fg", // 7: white
"weakerfg", // 8: bright black (gray)
"red", // 9: bright red
"lime", // 10: bright green
"yellow", // 11: bright yellow
"paleblue", // 12: bright blue
"purple", // 13: bright magenta
"sunny", // 14: bright cyan
"white", // 15: bright white
];
Self {
palette,
highlights,
term_colors,
}
}
fn write_header(&self, w: &mut impl Write) -> Result<()> {
write!(
w,
r#"" spring-night: Calm-colored dark color scheme
"
" Author: rhysd <lin90162@yahoo.co.jp>
" License: MIT
" Copyright (c) 2016 rhysd
"
" PLEASE DO NOT MODIFY THIS FILE DIRECTLY!
" Generated by script vim-color-spring-night/gen/{source}
" Optimization:
" `:set background=dark` has some side effects which takes a time.
" Avoid the side effects when the value is already 'dark'.
if &background !=# 'dark'
set background=dark
endif
" Optimization:
" `:hi clear` takes a lot of time since it clears all highlights and set default
" highlights. This guard avoids `:hi clear` if spring-night is the first colorscheme.
" applied in vimrc. In almost all cases no additional highlights are set at start
" up since they are set by Vim plugins.
if exists('g:colors_name')
" Remove all existing user-defined highlights and set the defaults.
hi clear
endif
if exists('g:syntax_on')
syntax reset
endif
let g:colors_name = 'spring-night'
let g:spring_night_italic_comments = get(g:, 'spring_night_italic_comments', 0)
let g:spring_night_kill_italic = get(g:, 'spring_night_kill_italic', 0)
let g:spring_night_kill_bold = get(g:, 'spring_night_kill_bold', 0)
let g:spring_night_highlight_terminal = get(g:, 'spring_night_highlight_terminal', 1)
let g:spring_night_cterm_italic = get(g:, 'spring_night_cterm_italic', 0)
let s:gui_running = has('gui_running')
let s:true_colors = has('termguicolors') && &termguicolors
let s:undercurl_attr = s:gui_running ? 'gui=undercurl cterm=undercurl' : 'gui=underline cterm=underline'
let s:italic_attr = g:spring_night_kill_italic ? '' : g:spring_night_cterm_italic ? 'gui=italic cterm=italic' : 'gui=italic'
let s:bold_attr = g:spring_night_kill_bold ? '' : 'gui=bold cterm=bold'
if exists('g:spring_night_high_contrast')
if type(g:spring_night_high_contrast) != type(0)
echoerr 'g:spring_night_high_contrast was changed to number value. Please read README.md of vim-color-spring-night repository and set proper value'
let g:spring_night_high_contrast = !s:gui_running && s:true_colors
endif
else
let g:spring_night_high_contrast = !s:gui_running && s:true_colors
endif
"#,
source = file!(),
)
}
fn write_contrast_color_variables(&self, w: &mut impl Write) -> Result<()> {
for (name, color) in {
let mut v = self.palette.iter().collect::<Vec<_>>();
v.sort_by_key(|(&k, _)| k); // Sort by color name to avoid random order
v
} {
if let ColorCode::Contrast(high, low) = color.gui {
writeln!(
w,
"let s:{name}_gui = g:spring_night_high_contrast ? '{high}' : '{low}'",
)?;
}
if let ColorCode::Contrast(high, low) = color.cterm {
writeln!(
w,
"let s:{name}_cterm = g:spring_night_high_contrast ? {high} : {low}",
)?;
}
}
writeln!(w)
}
fn write_hi_command(&self, w: &mut impl Write, cmd: &HiCommand, indents: u8) -> Result<()> {
fn arg(name: &str, item: &str, color: &ColorCode<impl Display>) -> String {
match color {
ColorCode::Normal(c) => format!("{item}={c}"),
ColorCode::Contrast(..) if item.starts_with("gui") => {
format!("'{item}='.s:{name}_gui")
}
ColorCode::Contrast(..) => format!("'{item}='.s:{name}_cterm"),
}
}
let mut args = vec![format!("{} term=NONE", cmd.name)];
for (color_name, gui, cterm) in
[(&cmd.fg, "guifg", "ctermfg"), (&cmd.bg, "guibg", "ctermbg")]
{
if let Some(name) = color_name {
if name != &"NONE" {
let color = &self.palette[name];
args.push(arg(name, gui, &color.gui));
args.push(arg(name, cterm, &color.cterm));
} else {
args.push(arg(name, gui, &NONE_COLOR));
args.push(arg(name, cterm, &NONE_COLOR));
}
}
}
if let Some(name) = cmd.sp {
// Note: ctermsp does not exist
let color = &self.palette[name].gui; // Currently guisp must not be NONE
args.push(arg(name, "guisp", color));
}
let attr_item = match cmd.attr {
HiAttr::Nothing => "",
HiAttr::Bold => "s:bold_attr",
HiAttr::Italic => "s:italic_attr",
HiAttr::Underline => "gui=underline cterm=underline",
HiAttr::Reverse => "gui=reverse cterm=reverse",
HiAttr::None => "gui=NONE cterm=NONE",
HiAttr::CommentItalic => "g:spring_night_italic_comments ? s:italic_attr : ''",
HiAttr::Undercurl => "s:undercurl_attr",
};
if !attr_item.is_empty() {
args.push(attr_item.into());
}
let is_execute = args.iter().any(|a| a.contains("s:") || a.contains("g:"));
if is_execute {
write!(w, "{}exe 'hi'", indent(indents))?;
} else {
write!(w, "{}hi", indent(indents))?;
}
for arg in &args {
if is_execute && !arg.contains("s:") && !arg.contains("g:") {
write!(w, " '{}'", arg)?;
} else {
write!(w, " {}", arg)?;
}
}
writeln!(w)
}
fn write_highlights(&self, w: &mut impl Write) -> Result<()> {
for hl in self.highlights {
match hl {
Highlight::Fixed(hl) => self.write_hi_command(w, hl, 0)?,
Highlight::Dynamic { gui, term } => {
writeln!(w, "if s:gui_running")?;
self.write_hi_command(w, gui, 1)?;
writeln!(w, "else")?;
self.write_hi_command(w, term, 1)?;
writeln!(w, "endif")?;
}
}
}
writeln!(w)
}
fn write_nvim_term_colors(&self, w: &mut impl Write, indents: u8) -> Result<()> {
writeln!(w, "{}if s:gui_running || s:true_colors", indent(indents))?;
for (index, name) in self.term_colors.iter().enumerate() {
writeln!(
w,
"{indent}let g:terminal_color_{index} = '{color}'",
indent = indent(indents + 1),
color = self.palette[name].gui.normal(),
)?;
}
writeln!(w, "{}else", indent(indents))?;
for (index, name) in self.term_colors.iter().enumerate() {
writeln!(
w,
"{indent}let g:terminal_color_{index} = {color}",
indent = indent(indents + 1),
color = self.palette[name].cterm.normal(),
)?;
}
writeln!(w, "{}endif", indent(indents))?;
writeln!(
w,
"{indent}let g:terminal_color_background = g:terminal_color_0",
indent = indent(indents),
)?;
writeln!(
w,
"{indent}let g:terminal_color_foreground = g:terminal_color_7",
indent = indent(indents),
)
}
fn write_vim_term_colors(&self, w: &mut impl Write, indents: u8) -> Result<()> {
write!(w, "{}let g:terminal_ansi_colors = [", indent(indents))?;
for (index, name) in self.term_colors.iter().enumerate() {
if index > 0 {
write!(w, ",")?;
}
write!(w, "'{}'", self.palette[name].gui.normal())?;
}
writeln!(w, "]")
}
fn write_term_colors(&self, w: &mut impl Write) -> Result<()> {
writeln!(w, "if g:spring_night_highlight_terminal")?;
writeln!(w, "{}if has('nvim')", indent(1))?;
self.write_nvim_term_colors(w, 2)?;
writeln!(
w,
"{indent}elseif (s:gui_running || s:true_colors) && exists('*term_setansicolors')",
indent = indent(1),
)?;
self.write_vim_term_colors(w, 2)?;
writeln!(w, "{}endif", indent(1))?;
writeln!(w, "endif")
}
pub fn write_to(&mut self, w: &mut impl Write) -> Result<()> {
self.write_header(w)?;
self.write_contrast_color_variables(w)?;
self.write_highlights(w)?;
self.write_term_colors(w)
}
}
#[cfg(test)]
mod tests {
use super::*;
use crate::palette::Color;
use std::collections::{HashMap, HashSet};
use std::str;
#[test]
fn test_write_header() {
let palette = Palette::from(HashMap::new());
let w = Colorscheme::new(&palette);
let mut out = vec![];
w.write_header(&mut out).unwrap();
let rendered = str::from_utf8(&out).unwrap();
assert!(rendered.starts_with(r#"" spring-night: Calm-colored dark color scheme"#));
assert!(rendered.contains("let g:colors_name = 'spring-night'"));
}
#[test]
fn test_write_contrast_color_variables() {
let palette = Palette::from(HashMap::new());
let w = Colorscheme::new(&palette);
let mut out = vec![];
w.write_contrast_color_variables(&mut out).unwrap();
assert_eq!(str::from_utf8(&out).unwrap(), "\n");
let mut m = HashMap::new();
m.insert(
"hi",
Color {
gui: ColorCode::Normal("#123456"),
cterm: ColorCode::Contrast(12, 34),
},
);
m.insert(
"hello",
Color {
gui: ColorCode::Contrast("#123456", "#7890ab"),
cterm: ColorCode::Contrast(123, 234),
},
);
m.insert(
"hey",
Color {
gui: ColorCode::Normal("#123456"),
cterm: ColorCode::Normal(123),
},
);
m.insert(
"goodbye",
Color {
gui: ColorCode::Contrast("#000000", "#ffffff"),
cterm: ColorCode::Normal(123),
},
);
let palette = Palette::from(m);
let w = Colorscheme::new(&palette);
let mut out = vec![];
w.write_contrast_color_variables(&mut out).unwrap();
for (actual, expected) in [
"let s:goodbye_gui = g:spring_night_high_contrast ? '#000000' : '#ffffff'",
"let s:hello_gui = g:spring_night_high_contrast ? '#123456' : '#7890ab'",
"let s:hello_cterm = g:spring_night_high_contrast ? 123 : 234",
"let s:hi_cterm = g:spring_night_high_contrast ? 12 : 34",
"",
]
.iter()
.zip(str::from_utf8(&out).unwrap().lines())
{
assert_eq!(*actual, expected);
}
}
#[test]
fn test_write_highlight() {
#[rustfmt::skip]
let testcases = vec![
((None, None, None, HiAttr::Nothing), 0, "hi HL term=NONE"),
((Some("n"), None, None, HiAttr::Nothing), 0, "hi HL term=NONE guifg=#123456 ctermfg=123"),
((None, Some("n"), None, HiAttr::Nothing), 0, "hi HL term=NONE guibg=#123456 ctermbg=123"),
((Some("n"), Some("n"), None, HiAttr::Nothing), 0, "hi HL term=NONE guifg=#123456 ctermfg=123 guibg=#123456 ctermbg=123"),
((None, None, None, HiAttr::Bold), 0, "exe 'hi' 'HL term=NONE' s:bold_attr"),
((None, None, None, HiAttr::Italic), 0, "exe 'hi' 'HL term=NONE' s:italic_attr"),
((None, None, None, HiAttr::Underline), 0, "hi HL term=NONE gui=underline cterm=underline"),
((None, None, None, HiAttr::CommentItalic), 0, "exe 'hi' 'HL term=NONE' g:spring_night_italic_comments ? s:italic_attr : ''"),
((None, None, None, HiAttr::Undercurl), 0, "exe 'hi' 'HL term=NONE' s:undercurl_attr"),
((Some("c"), None, None, HiAttr::Nothing), 0, "exe 'hi' 'HL term=NONE' 'guifg='.s:c_gui 'ctermfg='.s:c_cterm"),
((None, Some("c"), None, HiAttr::Nothing), 0, "exe 'hi' 'HL term=NONE' 'guibg='.s:c_gui 'ctermbg='.s:c_cterm"),
((Some("c"), Some("c"), None, HiAttr::Underline), 0, "exe 'hi' 'HL term=NONE' 'guifg='.s:c_gui 'ctermfg='.s:c_cterm 'guibg='.s:c_gui 'ctermbg='.s:c_cterm 'gui=underline cterm=underline'"),
((None, None, Some("n"), HiAttr::Nothing), 0, "hi HL term=NONE guisp=#123456"),
((None, None, Some("n"), HiAttr::Undercurl), 0, "exe 'hi' 'HL term=NONE' 'guisp=#123456' s:undercurl_attr"),
((None, None, None, HiAttr::Nothing), 1, " hi HL term=NONE"),
((None, None, None, HiAttr::Undercurl), 1, " exe 'hi' 'HL term=NONE' s:undercurl_attr"),
];
for ((fg, bg, sp, attr), indent, expected) in testcases {
let cmd = HiCommand {
name: "HL",
fg,
bg,
sp,
attr,
};
let mut m = HashMap::new();
m.insert(
"n",
Color {
gui: ColorCode::Normal("#123456"),
cterm: ColorCode::Normal(123),
},
);
m.insert(
"c",
Color {
gui: ColorCode::Contrast("#123456", "#7890ab"),
cterm: ColorCode::Contrast(123, 234),
},
);
let palette = Palette::from(m);
let w = Colorscheme::new(&palette);
let mut out = vec![];
w.write_hi_command(&mut out, &cmd, indent).unwrap();
assert_eq!(str::from_utf8(&out).unwrap(), format!("{}\n", expected));
}
// Edge case
let palette = Palette::from(HashMap::new());
let mut w = Colorscheme::new(&palette);
w.highlights = &[];
let mut out = vec![];
w.write_highlights(&mut out).unwrap();
assert_eq!(str::from_utf8(&out).unwrap(), "\n");
}
#[test]
fn test_write_highlights() {
const fn cmd() -> HiCommand {
HiCommand {
name: "HL",
fg: None,
bg: None,
sp: None,
attr: HiAttr::Nothing,
}
}
let palette = Palette::from(HashMap::new());
let mut w = Colorscheme::new(&palette);
let fixed = &[Highlight::Fixed(cmd())];
w.highlights = fixed;
let mut out = vec![];
w.write_highlights(&mut out).unwrap();
assert_eq!(str::from_utf8(&out).unwrap(), "hi HL term=NONE\n\n");
let dynamic = &[Highlight::Dynamic {
gui: cmd(),
term: cmd(),
}];
let palette = Palette::from(HashMap::new());
let mut w = Colorscheme::new(&palette);
w.highlights = dynamic;
let mut out = vec![];
w.write_highlights(&mut out).unwrap();
assert_eq!(
str::from_utf8(&out).unwrap().lines().collect::<Vec<_>>(),
vec![
"if s:gui_running",
" hi HL term=NONE",
"else",
" hi HL term=NONE",
"endif",
"",
],
);
}
#[test]
fn test_write_term_colors() {
let mut m = HashMap::new();
m.insert(
"normal",
Color {
gui: ColorCode::Normal("#123456"),
cterm: ColorCode::Normal(123),
},
);
m.insert(
"contrast",
Color {
gui: ColorCode::Contrast("#000000", "#ffffff"),
cterm: ColorCode::Contrast(1, 2),
},
);
let palette = Palette::from(m);
let mut w = Colorscheme::new(&palette);
w.term_colors = [
"normal", "contrast", "normal", "contrast", "normal", "contrast", "normal", "contrast",
"normal", "contrast", "normal", "contrast", "normal", "contrast", "normal", "contrast",
];
let mut out = vec![];
w.write_term_colors(&mut out).unwrap();
let rendered = str::from_utf8(&out).unwrap();
assert!(rendered.contains("let g:terminal_color_0 = '#123456'"));
assert!(rendered.contains("let g:terminal_color_1 = '#000000'"));
assert!(rendered.contains("let g:terminal_color_0 = 123"));
assert!(rendered.contains("let g:terminal_color_1 = 1"));
assert!(rendered.contains("let g:terminal_ansi_colors = ['#123456','#000000','#123456','#000000','#123456','#000000','#123456','#000000','#123456','#000000','#123456','#000000','#123456','#000000','#123456','#000000']"));
}
#[test]
fn test_highlight_uniqueness() {
let palette = Palette::default();
let w = Colorscheme::new(&palette);
let mut seen = HashSet::new();
for hl in w.highlights {
let name = match hl {
Highlight::Fixed(h) => h.name,
Highlight::Dynamic { gui, term } => {
assert_eq!(gui.name, term.name);
gui.name
}
};
assert!(seen.insert(name), "Duplicate highlight '{}'", name);
}
}
#[test]
fn test_term_colors() {
let palette = Palette::default();
let w = Colorscheme::new(&palette);
for tc in &w.term_colors {
assert!(
palette.contains_key(tc),
"Terminal color '{tc}' is not present in color names",
);
}
}
}