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library(css)
rstudio_theme_details_map <- list(
"ambiance" = list(name = "Ambiance", isDark = TRUE),
"chaos" = list(name = "Chaos", isDark = TRUE),
"chrome" = list(name = "Chrome", isDark = FALSE),
"clouds" = list(name = "Clouds", isDark = FALSE),
"clouds_midnight" = list(name = "Clouds Midnight", isDark = TRUE),
"cobalt" = list(name = "Cobalt", isDark = TRUE),
"crimson_editor" = list(name = "Crimson Editor", isDark = FALSE),
"dawn" = list(name = "Dawn", isDark = FALSE),
"dracula" = list(name = "Dracula", isDark = TRUE),
"dreamweaver" = list(name = "Dreamweaver", isDark = FALSE),
"eclipse" = list(name = "Eclipse", isDark = FALSE),
"idle_fingers" = list(name = "Idle Fingers", isDark = TRUE),
"katzenmilch" = list(name = "Katzenmilch", isDark = FALSE),
"kr_theme" = list(name = "Kr Theme", isDark = TRUE),
"material" = list(name = "Material", isDark = TRUE),
"merbivore" = list(name = "Merbivore", isDark = TRUE),
"merbivore_soft" = list(name = "Merbivore Soft", isDark = TRUE),
"mono_industrial" = list(name = "Mono Industrial", isDark = TRUE),
"monokai" = list(name = "Monokai", isDark = TRUE),
"pastel_on_dark" = list(name = "Pastel On Dark", isDark = TRUE),
"solarized_dark" = list(name = "Solarized Dark", isDark = TRUE),
"solarized_light" = list(name = "Solarized Light", isDark = FALSE),
"textmate" = list(name = "Textmate (default)", isDark = FALSE),
"tomorrow" = list(name = "Tomorrow", isDark = FALSE),
"tomorrow_night" = list(name = "Tomorrow Night", isDark = TRUE),
"tomorrow_night_blue" = list(name = "Tomorrow Night Blue", isDark = TRUE),
"tomorrow_night_bright" = list(name = "Tomorrow Night Bright", isDark = TRUE),
"tomorrow_night_eighties" = list(name = "Tomorrow Night 80s", isDark = TRUE),
"twilight" = list(name = "Twilight", isDark = TRUE),
"vibrant_ink" = list(name = "Vibrant Ink", isDark = TRUE),
"xcode" = list(name = "Xcode", isDark = FALSE)
)
rstudio_theme_url_template <- paste0(
"https://raw.githubusercontent.com/",
"rstudio/rstudio/master/src/cpp/session/resources/themes/%s.rstheme"
)
## A set of operator colors to use, for each theme. Should match the name
## of the theme file in ace.
## We need to explicity set themes that should be overridden with the default
## vaue to NULL
operator_theme_map <- list(
"solarized_light" = "#93A1A1",
"solarized_dark" = "#B58900",
"twilight" = "#7587A6",
"idle_fingers" = "#6892B2",
"clouds_midnight" = "#A53553",
"cobalt" = "#BED6FF",
"kr_theme" = "#A56464",
"clouds" = NULL,
"dawn" = NULL,
"eclipse" = NULL,
"katzenmilch" = NULL,
"merbivore" = NULL,
"merbivore_soft" = NULL,
"monokai" = NULL,
"pastel_on_dark" = NULL,
"vibrant_ink" = NULL,
"xcode" = NULL
)
## Similarly, colors for keywords that we might override.
keyword_theme_map <- list(
"eclipse" = "#800080",
"clouds" = "#800080"
)
# Needs https://github.com/romainfrancois/css
rstudio_css <- function(theme) {
message("Downloading theme '", theme, "'")
url <- sprintf(rstudio_theme_url_template, theme)
css <- asNamespace("css")$read_css(url)
g <- function(sel) {
col <- vapply(
sel,
FUN.VALUE = "",
function(sel1) {
tail(c(NA_character_, css$value[grepl(sel1, css$rule) &
css$property == "color"]), 1)
}
)
col <- na.omit(col)[1]
if (is.na(col) || length(col) != 1) {
stop("Cannot get '", sel, "' from theme '", theme, "'")
}
col <- sub("[ ]+!important", "", col)
## Three digit colors are not handled by cli...
if (grepl("^#[0-9a-fA-F][0-9a-fA-F][0-9a-fA-F]$", col)) {
col <- paste(rep(strsplit(col, "", fixed = TRUE)[[1]], c(1, 2, 2, 2)), collapse = "")
}
## rgb () form
if (grepl("^rgb", col)) {
col <- gsub("[^0-9 ]", "", col)
col <- do.call(rgb, as.list(scan(text = col, quiet = TRUE) / 255))
}
unname(col)
}
if (theme %in% names(keyword_theme_map)) {
kw <- keyword_theme_map[[theme]]
} else {
kw <- g("\\.ace_keyword$|\\.ace_keyword,")
}
if (theme %in% names(operator_theme_map)) {
if (is.null(operator_theme_map[[theme]])) {
if (rstudio_theme_details_map[[theme]]$isDark) {
op <- "#aaaaaa"
} else {
op <- "#888888"
}
} else {
op <- operator_theme_map[[theme]]
}
} else {
op <- g(c(
"^\\.ace_keyword\\.ace_operator$",
"^\\.ace_constant\\.ace_language$",
"^\\.ace_variable\\.ace_language$",
"\\.ace_constant,",
"\\.ace_constant\\.ace_buildin"
))
}
list(
reserved_ = kw,
number_ = g(c("\\.ace_constant\\.ace_numeric$", "\\.ace_constant,")),
null_ = g(c("\\.ace_constant\\.ace_language$",
"\\.ace_variable\\.ace_language$",
"\\.ace_constant,",
"\\.ace_constant\\.ace_buildin")),
operator_ = op,
call_ = NA_character_,
string_ = g("\\.ace_string$|\\.ace_string,"),
comment_ = g("\\.ace_comment$|\\.ace_comment,"),
bracket_ = g(c("\\.ace_paren\\.ace_keyword\\.ace_operator",
"\\.ace_keyword\\.ace_operator",
"\\.ace_keyword"))
)
}
create_rstudio_data <- function() {
themes <- lapply(names(rstudio_theme_details_map), rstudio_css)
names(themes) <- names(rstudio_theme_details_map)
# Some substitutions
for (nm in names(operator_theme_map)) {
if (is.null(operator_theme_map[[nm]])) {
} else {
themes[[nm]]$null_ <- operator_theme_map[[nm]]
themes[[nm]]$operator_ <- operator_theme_map[[nm]]
themes[[nm]]$bracket_ <- operator_theme_map[[nm]]
}
}
for (nm in names(keyword_theme_map)) {
themes[[nm]]$reserved_ <- keyword_theme_map[[nm]]
}
# check that cli can handle these, otherwise it will error
lapply(na.omit(unlist(themes)), cli::make_ansi_style)
themes2 <- lapply(themes, function(theme) {
list(
reserved = theme$reserved_,
number = theme$number_,
null = theme$null_,
operator = theme$operator_,
call = "bold",
string = theme$string_,
comment = theme$comment_,
bracket = list(theme$bracket_, "yellow", "blue", "cyan")
)
})
names(themes2) <- vapply(rstudio_theme_details_map, "[[", "", "name")
message("Saving sysdata.rda... ", appendLF = FALSE)
sysenv <- new.env(parent = emptyenv())
load(file.path("R", "sysdata.rda"), envir = sysenv)
sysenv$rstudio_themes <- themes2
save(
list = ls(sysenv),
envir = sysenv,
file = file.path("R", "sysdata.rda"),
version = 2
)
message("done.")
invisible(themes2)
}
if (is.null(sys.calls())) {
create_rstudio_data()
}
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