/
ModuleTools.R
347 lines (292 loc) · 9.44 KB
/
ModuleTools.R
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#
# ModuleTools.R
#
# Copyright (C) 2009-15 by RStudio, Inc.
#
# Unless you have received this program directly from RStudio pursuant
# to the terms of a commercial license agreement with RStudio, then
# this program is licensed to you under the terms of version 3 of the
# GNU Affero General Public License. This program is distributed WITHOUT
# ANY EXPRESS OR IMPLIED WARRANTY, INCLUDING THOSE OF NON-INFRINGEMENT,
# MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Please refer to the
# AGPL (http://www.gnu.org/licenses/agpl-3.0.txt) for more details.
#
#
.rs.addFunction("enqueClientEvent", function(type, data = NULL)
{
.Call("rs_enqueClientEvent", type, data)
})
.rs.addFunction("showErrorMessage", function(title, message)
{
.Call("rs_showErrorMessage", title, message)
})
.rs.addFunction("logErrorMessage", function(message)
{
.Call("rs_logErrorMessage", message)
})
.rs.addFunction("logWarningMessage", function(message)
{
.Call("rs_logWarningMessage", message)
})
.rs.addFunction("getSignature", function(obj)
{
sig = capture.output(print(args(obj)))
sig = sig[1:length(sig)-1]
sig = gsub('^\\s+', '', sig)
paste(sig, collapse='')
})
# Wrap a return value in this to give a hint to the
# JSON serializer that one-element vectors should be
# marshalled as scalar types instead of arrays
.rs.addFunction("scalar", function(obj)
{
if (!is.null(obj))
class(obj) <- 'rs.scalar'
return(obj)
})
.rs.addFunction("validateAndNormalizeEncoding", function(encoding)
{
iconvList <- toupper(iconvlist())
encodingUpper <- toupper(encoding)
if (encodingUpper %in% iconvList)
{
return (encodingUpper)
}
else
{
encodingUpper <- gsub("[_]", "-", encodingUpper)
if (encodingUpper %in% iconvList)
return (encodingUpper)
else
return ("")
}
})
.rs.addFunction("usingUtf8Charset", function()
{
l10n_info()$`UTF-8` || identical(utils::localeToCharset(), "UTF-8")
})
.rs.addFunction("isRtoolsOnPath", function()
{
return (nzchar(Sys.which("ls.exe")) && nzchar(Sys.which("gcc.exe")))
})
.rs.addFunction("getPackageFunction", function(name, packageName)
{
tryCatch(eval(parse(text=paste(packageName, ":::", name, sep=""))),
error = function(e) NULL)
})
.rs.addFunction("libPathsString", function()
{
paste(.libPaths(), collapse = .Platform$path.sep)
})
.rs.addFunction("parseLinkingTo", function(linkingTo)
{
if (is.null(linkingTo))
return (character())
linkingTo <- strsplit(linkingTo, "\\s*\\,")[[1]]
result <- gsub("\\s", "", linkingTo)
gsub("\\(.*", "", result)
})
.rs.addFunction("isPackageInstalled", function(name, libLoc = NULL)
{
paths <- vapply(name, FUN.VALUE = character(1), USE.NAMES = FALSE, function(pkg) {
system.file(package = pkg, lib.loc = libLoc)
})
nzchar(paths)
})
.rs.addFunction("isPackageVersionInstalled", function(name, version) {
.rs.isPackageInstalled(name) && (.rs.getPackageVersion(name) >= version)
})
.rs.addFunction("packageCRANVersionAvailable", function(name, version, source) {
# get the specified CRAN repo
repo <- NA
repos <- getOption("repos")
# the repos option is canonically a named character vector, but could also
# be a named list
if (is.character(repos) || is.list(repos)) {
if (is.null(names(repos))) {
# no indication of which repo is which, presume the first entry to be
# CRAN if it's of character type
if (length(repos) > 0 && is.character(repos[[1]]))
repo <- repos[[1]]
} else {
# use repo named CRAN
repo <- as.character(repos["CRAN"])
}
}
# if no default repo and no repo marked CRAN, give up
if (is.na(repo)) {
return(list(version = "", satisfied = FALSE))
}
# get the available packages and extract the version information
type <- ifelse(source, "source", getOption("pkgType"))
pkgs <- available.packages(
contriburl = contrib.url(repo, type = type))
if (!(name %in% row.names(pkgs))) {
return(list(version = "", satisfied = FALSE))
}
pkgVersion <- pkgs[name, "Version"]
return(list(
version = pkgVersion,
satisfied = package_version(pkgVersion) >= package_version(version)))
})
.rs.addFunction("packageVersionString", function(pkg) {
as.character(packageVersion(pkg))
})
.rs.addFunction("getPackageCompatStatus",
function(name, packageVersion, protocolVersion)
{
if (!.rs.isPackageInstalled(name))
return(1L) # COMPAT_MISSING
else if (!.rs.getPackageVersion(name) >= packageVersion)
return(2L) # COMPAT_TOO_OLD
else if (!.rs.getPackageRStudioProtocol(name) >= protocolVersion)
return(3L) # COMPAT_TOO_NEW
return (0L) # COMPAT_OK
}
)
.rs.addFunction("getPackageRStudioProtocol", function(name) {
## First check to see if the package has a 'rstudio-protocol' file
path <- system.file("rstudio/rstudio-protocol", package = name)
if (path != "") {
tryCatch(
expr = {
return(as.integer(read.dcf(path, all = TRUE)$Version))
},
warning = function(e) {},
error = function(e) {}
)
}
## Otherwise, check the namespace
needsUnloadAfter <- !(name %in% loadedNamespaces())
rpv <- ".RStudio_protocol_version"
env <- asNamespace(name)
if (exists(rpv, envir = env, mode = "integer")) {
version <- get(rpv, envir = env)
} else {
version <- 0L
}
if (needsUnloadAfter)
unloadNamespace(name)
version
})
.rs.addFunction("rstudioIDEPackageRequiresUpdate", function(name, sha1) {
if (.rs.isPackageInstalled(name))
{
f <- utils::packageDescription(name, fields=c("Origin", "GithubSHA1"))
identical(f$Origin, "RStudioIDE") && !identical(f$GithubSHA1, sha1)
}
else
{
TRUE
}
})
.rs.addFunction("updateRStudioIDEPackage", function(name, archive)
{
pkgDir <- find.package(name)
.rs.forceUnloadPackage(name)
.Call("rs_installPackage", archive, dirname(pkgDir))
})
.rs.addFunction("userPrompt", function(type,
caption,
message,
yesLabel = NULL,
noLabel = NULL,
includeCancel = FALSE,
yesIsDefault = TRUE) {
if (identical(type, "info"))
type <- 1
else if (identical(type, "warning"))
type <- 2
else if (identical(type, "error"))
type <- 3
else if (identical(type, "question"))
type <- 4
else
stop("Invalid type specified")
result <- .Call("rs_userPrompt",
type,
caption,
message,
yesLabel,
noLabel,
includeCancel,
yesIsDefault)
if (result == 0)
"yes"
else if (result == 1)
"no"
else if (result == 2)
"cancel"
else
stop("Invalid result")
})
.rs.addFunction("restartR", function(afterRestartCommand = "") {
afterRestartCommand <- paste(as.character(afterRestartCommand),
collapse = "\n")
.Call("rs_restartR", afterRestartCommand)
})
.rs.addFunction("markdownToHTML", function(content) {
.Call("rs_markdownToHTML", content)
})
.rs.addFunction("readUiPref", function(prefName) {
if (missing(prefName) || is.null(prefName))
stop("No preference name supplied")
.Call("rs_readUiPref", prefName)
})
.rs.addFunction("writeUiPref", function(prefName, value) {
if (missing(prefName) || is.null(prefName))
stop("No preference name supplied")
if (missing(value))
stop("No value supplied")
invisible(.Call("rs_writeUiPref", prefName, .rs.scalar(value)))
})
.rs.addFunction("removeUiPref", function(prefName) {
if (missing(prefName) || is.null(prefName))
stop("No preference name supplied")
invisible(.Call("rs_removeUiPref", prefName))
})
.rs.addFunction("setUsingMingwGcc49", function(usingMingwGcc49) {
invisible(.Call("rs_setUsingMingwGcc49", usingMingwGcc49))
})
.rs.addGlobalFunction("rstudioDiagnosticsReport", function() {
invisible(.Call(getNativeSymbolInfo("rs_sourceDiagnostics", PACKAGE="")))
})
.rs.addFunction("pandocSelfContainedHtml", function(input, output) {
# make input file path absolute
input <- normalizePath(input)
# ensure output file exists and make it's path absolute
if (!file.exists(output))
file.create(output)
output <- normalizePath(output)
# create a simple body-only template
template <- tempfile(fileext = ".html")
writeLines("$body$", template)
# convert from markdown to html to get base64 encoding
# (note there is no markdown in the source document but
# we still need to do this "conversion" to get the
# base64 encoding)
args <- c(input)
args <- c(args, "--from", "markdown_strict")
args <- c(args, "--output", output)
# set stack size
stack_size <- getOption("pandoc.stack.size", default = "512m")
args <- c(c("+RTS", paste0("-K", stack_size), "-RTS"), args)
# additional options
args <- c(args, "--self-contained")
args <- c(args, "--template", template)
# build the conversion command
pandoc <- file.path(Sys.getenv("RSTUDIO_PANDOC"), "pandoc")
command <- paste(shQuote(c(pandoc, args)), collapse = " ")
# setwd temporarily
wd <- getwd()
on.exit(setwd(wd), add = TRUE)
setwd(dirname(input))
# execute it
result <- system(command)
if (result != 0) {
stop("pandoc document conversion failed with error ", result,
call. = FALSE)
}
# return output file
invisible(output)
})