1use anyhow::Result;
2use indexmap::IndexMap;
3use strum::IntoEnumIterator;
4use theme::{
5 FontStyleContent, FontWeightContent, HighlightStyleContent, StatusColorsContent,
6 ThemeColorsContent, ThemeContent, ThemeStyleContent,
7};
8
9use crate::vscode::{VsCodeTheme, VsCodeTokenScope};
10use crate::ThemeMetadata;
11
12use super::ZedSyntaxToken;
13
14pub(crate) fn try_parse_font_weight(font_style: &str) -> Option<FontWeightContent> {
15 match font_style {
16 style if style.contains("bold") => Some(FontWeightContent::Bold),
17 _ => None,
18 }
19}
20
21pub(crate) fn try_parse_font_style(font_style: &str) -> Option<FontStyleContent> {
22 match font_style {
23 style if style.contains("italic") => Some(FontStyleContent::Italic),
24 style if style.contains("oblique") => Some(FontStyleContent::Oblique),
25 _ => None,
26 }
27}
28
29pub struct VsCodeThemeConverter {
30 theme: VsCodeTheme,
31 theme_metadata: ThemeMetadata,
32 syntax_overrides: IndexMap<String, Vec<String>>,
33}
34
35impl VsCodeThemeConverter {
36 pub fn new(
37 theme: VsCodeTheme,
38 theme_metadata: ThemeMetadata,
39 syntax_overrides: IndexMap<String, Vec<String>>,
40 ) -> Self {
41 Self {
42 theme,
43 theme_metadata,
44 syntax_overrides,
45 }
46 }
47
48 pub fn convert(self) -> Result<ThemeContent> {
49 let appearance = self.theme_metadata.appearance.into();
50
51 let status_colors = self.convert_status_colors()?;
52 let theme_colors = self.convert_theme_colors()?;
53 let syntax_theme = self.convert_syntax_theme()?;
54
55 Ok(ThemeContent {
56 name: self.theme_metadata.name,
57 appearance,
58 style: ThemeStyleContent {
59 colors: theme_colors,
60 status: status_colors,
61 players: Vec::new(),
62 syntax: syntax_theme,
63 },
64 })
65 }
66
67 fn convert_status_colors(&self) -> Result<StatusColorsContent> {
68 let vscode_colors = &self.theme.colors;
69
70 let vscode_base_status_colors = StatusColorsContent {
71 hint: Some("#969696ff".to_string()),
72 ..Default::default()
73 };
74
75 Ok(StatusColorsContent {
76 conflict: vscode_colors
77 .git_decoration
78 .conflicting_resource_foreground
79 .clone(),
80 created: vscode_colors.editor_gutter.added_background.clone(),
81 deleted: vscode_colors.editor_gutter.deleted_background.clone(),
82 error: vscode_colors.editor_error.foreground.clone(),
83 error_background: vscode_colors.editor_error.background.clone(),
84 error_border: vscode_colors.editor_error.border.clone(),
85 hidden: vscode_colors.tab.inactive_foreground.clone(),
86 hint: vscode_colors
87 .editor_inlay_hint
88 .foreground
89 .clone()
90 .or(vscode_base_status_colors.hint),
91 hint_border: vscode_colors.editor_hint.border.clone(),
92 ignored: vscode_colors
93 .git_decoration
94 .ignored_resource_foreground
95 .clone(),
96 info: vscode_colors.editor_info.foreground.clone(),
97 info_background: vscode_colors.editor_info.background.clone(),
98 info_border: vscode_colors.editor_info.border.clone(),
99 modified: vscode_colors.editor_gutter.modified_background.clone(),
100 // renamed: None,
101 // success: None,
102 warning: vscode_colors.editor_warning.foreground.clone(),
103 warning_background: vscode_colors.editor_warning.background.clone(),
104 warning_border: vscode_colors.editor_warning.border.clone(),
105 ..Default::default()
106 })
107 }
108
109 fn convert_theme_colors(&self) -> Result<ThemeColorsContent> {
110 let vscode_colors = &self.theme.colors;
111
112 let vscode_panel_border = vscode_colors.panel.border.clone();
113 let vscode_tab_inactive_background = vscode_colors.tab.inactive_background.clone();
114 let vscode_editor_foreground = vscode_colors.editor.foreground.clone();
115 let vscode_editor_background = vscode_colors.editor.background.clone();
116 let vscode_scrollbar_slider_background = vscode_colors.scrollbar_slider.background.clone();
117 let vscode_token_colors_foreground = self
118 .theme
119 .token_colors
120 .iter()
121 .find(|token_color| token_color.scope.is_none())
122 .and_then(|token_color| token_color.settings.foreground.as_ref())
123 .cloned();
124
125 Ok(ThemeColorsContent {
126 border: vscode_panel_border.clone(),
127 border_variant: vscode_panel_border.clone(),
128 border_focused: vscode_colors.focus_border.clone(),
129 border_selected: vscode_panel_border.clone(),
130 border_transparent: vscode_panel_border.clone(),
131 border_disabled: vscode_panel_border.clone(),
132 elevated_surface_background: vscode_colors.dropdown.background.clone(),
133 surface_background: vscode_colors.panel.background.clone(),
134 background: vscode_editor_background.clone(),
135 element_background: vscode_colors.button.background.clone(),
136 element_hover: vscode_colors.list.hover_background.clone(),
137 element_selected: vscode_colors.list.active_selection_background.clone(),
138 drop_target_background: vscode_colors.list.drop_background.clone(),
139 ghost_element_hover: vscode_colors.list.hover_background.clone(),
140 ghost_element_selected: vscode_colors.list.active_selection_background.clone(),
141 text: vscode_colors
142 .foreground
143 .clone()
144 .or(vscode_token_colors_foreground.clone()),
145 text_muted: vscode_colors.tab.inactive_foreground.clone(),
146 status_bar_background: vscode_colors.status_bar.background.clone(),
147 title_bar_background: vscode_colors.title_bar.active_background.clone(),
148 toolbar_background: vscode_colors
149 .breadcrumb
150 .background
151 .clone()
152 .or(vscode_editor_background.clone()),
153 tab_bar_background: vscode_colors.editor_group_header.tabs_background.clone(),
154 tab_inactive_background: vscode_tab_inactive_background.clone(),
155 tab_active_background: vscode_colors
156 .tab
157 .active_background
158 .clone()
159 .or(vscode_tab_inactive_background.clone()),
160 panel_background: vscode_colors.panel.background.clone(),
161 scrollbar_thumb_background: vscode_scrollbar_slider_background.clone(),
162 scrollbar_thumb_hover_background: vscode_colors
163 .scrollbar_slider
164 .hover_background
165 .clone(),
166 scrollbar_thumb_border: vscode_scrollbar_slider_background.clone(),
167 scrollbar_track_background: vscode_editor_background.clone(),
168 scrollbar_track_border: vscode_colors.editor_overview_ruler.border.clone(),
169 editor_foreground: vscode_editor_foreground
170 .clone()
171 .or(vscode_token_colors_foreground.clone()),
172 editor_background: vscode_editor_background.clone(),
173 editor_gutter_background: vscode_editor_background.clone(),
174 editor_active_line_background: vscode_colors.editor.line_highlight_background.clone(),
175 editor_line_number: vscode_colors.editor_line_number.foreground.clone(),
176 editor_active_line_number: vscode_colors.editor.foreground.clone(),
177 editor_wrap_guide: vscode_panel_border.clone(),
178 editor_active_wrap_guide: vscode_panel_border.clone(),
179 terminal_background: vscode_colors.terminal.background.clone(),
180 terminal_ansi_black: vscode_colors.terminal.ansi_black.clone(),
181 terminal_ansi_bright_black: vscode_colors.terminal.ansi_bright_black.clone(),
182 terminal_ansi_red: vscode_colors.terminal.ansi_red.clone(),
183 terminal_ansi_bright_red: vscode_colors.terminal.ansi_bright_red.clone(),
184 terminal_ansi_green: vscode_colors.terminal.ansi_green.clone(),
185 terminal_ansi_bright_green: vscode_colors.terminal.ansi_bright_green.clone(),
186 terminal_ansi_yellow: vscode_colors.terminal.ansi_yellow.clone(),
187 terminal_ansi_bright_yellow: vscode_colors.terminal.ansi_bright_yellow.clone(),
188 terminal_ansi_blue: vscode_colors.terminal.ansi_blue.clone(),
189 terminal_ansi_bright_blue: vscode_colors.terminal.ansi_bright_blue.clone(),
190 terminal_ansi_magenta: vscode_colors.terminal.ansi_magenta.clone(),
191 terminal_ansi_bright_magenta: vscode_colors.terminal.ansi_bright_magenta.clone(),
192 terminal_ansi_cyan: vscode_colors.terminal.ansi_cyan.clone(),
193 terminal_ansi_bright_cyan: vscode_colors.terminal.ansi_bright_cyan.clone(),
194 terminal_ansi_white: vscode_colors.terminal.ansi_white.clone(),
195 terminal_ansi_bright_white: vscode_colors.terminal.ansi_bright_white.clone(),
196 link_text_hover: vscode_colors.text_link.active_foreground.clone(),
197 ..Default::default()
198 })
199 }
200
201 fn convert_syntax_theme(&self) -> Result<IndexMap<String, HighlightStyleContent>> {
202 let mut highlight_styles = IndexMap::new();
203
204 for syntax_token in ZedSyntaxToken::iter() {
205 let override_match = self
206 .syntax_overrides
207 .get(&syntax_token.to_string())
208 .and_then(|scope| {
209 self.theme.token_colors.iter().find(|token_color| {
210 token_color.scope == Some(VsCodeTokenScope::Many(scope.clone()))
211 })
212 });
213
214 let best_match = override_match
215 .or_else(|| syntax_token.find_best_token_color_match(&self.theme.token_colors))
216 .or_else(|| {
217 syntax_token.fallbacks().iter().find_map(|fallback| {
218 fallback.find_best_token_color_match(&self.theme.token_colors)
219 })
220 });
221
222 let Some(token_color) = best_match else {
223 log::warn!("No matching token color found for '{syntax_token}'");
224 continue;
225 };
226
227 log::info!(
228 "Matched '{syntax_token}' to '{}'",
229 token_color
230 .name
231 .clone()
232 .or_else(|| token_color
233 .scope
234 .as_ref()
235 .map(|scope| format!("{:?}", scope)))
236 .unwrap_or_else(|| "no identifier".to_string())
237 );
238
239 let highlight_style = HighlightStyleContent {
240 color: token_color.settings.foreground.clone(),
241 font_style: token_color
242 .settings
243 .font_style
244 .as_ref()
245 .and_then(|style| try_parse_font_style(&style)),
246 font_weight: token_color
247 .settings
248 .font_style
249 .as_ref()
250 .and_then(|style| try_parse_font_weight(&style)),
251 };
252
253 if highlight_style.is_empty() {
254 continue;
255 }
256
257 highlight_styles.insert(syntax_token.to_string(), highlight_style);
258 }
259
260 Ok(highlight_styles)
261 }
262}