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###########################################################################/**
# @RdocDefault compileRnw
#
# @title "Compiles a Rnw file"
#
# \description{
# @get "title".
# The compiler used depends on the content type.
# }
#
# @synopsis
#
# \arguments{
# \item{filename, path}{The filename and (optional) path of the
# document to be compiled.}
# \item{...}{Additional arguments passed to the compiler function
# used.}
# \item{type}{A @character string specifying what content type of
# Rnw file to compile. The default (@NULL) is to infer the type
# from the content of the file using @see "typeOfRnw".}
# \item{verbose}{See @see "R.utils::Verbose".}
# }
#
# \value{
# Returns the pathname of the generated document.
# }
#
# @author
#
# @keyword file
# @keyword IO
# @keyword internal
#*/###########################################################################
setMethodS3("compileRnw", "default", function(filename, path=NULL, ..., type=NULL, verbose=FALSE) {
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# Validate arguments
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# Arguments 'filename' & 'path':
pathname <- if (is.null(path)) filename else file.path(path, filename)
if (!isUrl(pathname)) {
pathname <- Arguments$getReadablePathname(pathname)
}
# Argument 'type':
if (!is.null(type)) {
type <- Arguments$getCharacter(type)
}
# Argument 'verbose':
verbose <- Arguments$getVerbose(verbose)
if (verbose) {
pushState(verbose)
on.exit(popState(verbose))
}
verbose && enter(verbose, "Compiling Rnw document")
# Download URL?
if (isUrl(pathname)) {
verbose && enter(verbose, "Downloading URL")
url <- pathname
verbose && cat(verbose, "URL: ", url)
pathname <- downloadFile(url, verbose=less(verbose,50))
verbose && cat(verbose, "Local file: ", pathname)
verbose && exit(verbose)
}
# Now we can infer the type of Rnw, i.e. Sweave or knitr
if (is.null(type)) {
type <- typeOfRnw(pathname)
}
verbose && cat(verbose, "Type of Rnw file: ", type)
if (type == "application/x-sweave") {
pathnameR <- compileSweave(filename, path=path, ..., verbose=verbose)
} else if (type == "application/x-knitr") {
pathnameR <- compileKnitr(filename, path=path, ..., verbose=verbose)
} else if (type == "application/x-asciidoc-noweb") {
pathnameR <- compileAsciiDocNoweb(filename, path=path, ..., verbose=verbose)
} else {
throw("Unknown value of argument 'type': ", type)
}
verbose && exit(verbose)
pathnameR
}) # compileRnw()
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