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c87c1a06e8
This fixes two sweave bugs (mainly under windows): - latex error when the temp dir path contains a space - latex error when the R dir path contains a space git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/branches/BRANCH_2_0_X@39141 a592a061-630c-0410-9148-cb99ea01b6c8
56 lines
2.2 KiB
R
56 lines
2.2 KiB
R
# file lyxsweave.R
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# This file is part of LyX, the document processor.
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# Licence details can be found in the file COPYING.
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# author Jean-Marc Lasgouttes
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# author Yihui Xie
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# Full author contact details are available in file CREDITS
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# Wrapper around Sweave that sets up some things for LyX
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# argument 1 is the absolute name of the input file
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# argument 2 is the absolute name of the output file
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# argument 3 is the iconv name for the encoding of the file
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# argument 4 is the original document directory
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ls.args <- commandArgs(trailingOnly=TRUE)
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# check whether Sweave.sty is seen by LaTeX. if it is not, we will
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# copy it alongside the .tex file (in general in the temporary
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# directory). This means that an exported LaTeX file will not work,
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# but this is a problem of installation of R on the user's machine.
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# The advantage compared to the use of stylepath, is that the exported
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# .tex file will be portable to another machine. (JMarc)
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ls.sweavesty <- system("kpsewhich Sweave.sty", intern=TRUE, ignore.stderr=TRUE)
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if (!length(ls.sweavesty)) {
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stypath <- file.path(R.home("share"), "texmf", "tex", "latex", "Sweave.sty")
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file.copy(stypath, dirname(ls.args[2]), overwrite=TRUE)
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}
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# set default encoding for input and output files; ls.enc is used in
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# the sweave module preamble to reset the encoding to what it was.
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ls.enc <- getOption("encoding")
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options(encoding=ls.args[3])
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# Change current directory to the document directory, so that R can find
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# data files.
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setwd(ls.args[4])
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# this is passed as a prefix.string to tell where temporary files should go
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# the output file without extension and without '.'
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tmpout <- gsub(".", "-", sub("\\.tex$", "", basename(ls.args[2])), fixed = TRUE)
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# replace
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ls.pr <- paste(dirname(ls.args[2]), tmpout, sep="/")
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# finally run sweave
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Sweave(file=ls.args[1], output=ls.args[2], syntax="SweaveSyntaxNoweb", prefix.string=ls.pr)
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# remove absolute path from \includegraphics
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ls.doc = readLines(ls.args[2])
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ls.cmd = paste('\\includegraphics{', dirname(ls.args[2]), "/", sep = "")
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ls.idx = grep(ls.cmd, ls.doc, fixed = TRUE)
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if (length(ls.idx)) {
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ls.doc[ls.idx] = sub(ls.cmd, "\\includegraphics{", ls.doc[ls.idx], fixed = TRUE)
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writeLines(ls.doc, ls.args[2])
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}
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