lisp/org-latex.el

   1 ;;; org-latex.el --- LaTeX exporter for org-mode
   2 ;;
   3 ;; Copyright (C) 2007, 2008, 2009 Free Software Foundation, Inc.
   4 ;;
   5 ;; Emacs Lisp Archive Entry
   6 ;; Filename: org-latex.el
   7 ;; Version: 6.31trans
   8 ;; Author: Bastien Guerry <bzg AT altern DOT org>
   9 ;; Maintainer: Carsten Dominik <carsten.dominik AT gmail DOT com>
  10 ;; Keywords: org, wp, tex
  11 ;; Description: Converts an org-mode buffer into LaTeX
  12
  13 ;; This file is part of GNU Emacs.
  14
  15 ;; GNU Emacs is free software: you can redistribute it and/or modify
  16 ;; it under the terms of the GNU General Public License as published by
  17 ;; the Free Software Foundation, either version 3 of the License, or
  18 ;; (at your option) any later version.
  19
  20 ;; GNU Emacs is distributed in the hope that it will be useful,
  21 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  22 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23 ;; GNU General Public License for more details.
  24
  25 ;; You should have received a copy of the GNU General Public License
  26 ;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
  27
  28 ;;; Commentary:
  29 ;;
  30 ;; This library implements a LaTeX exporter for org-mode.
  31 ;;
  32 ;; It is part of Org and will be autoloaded
  33 ;;
  34 ;; The interactive functions are similar to those of the HTML exporter:
  35 ;;
  36 ;; M-x `org-export-as-latex'
  37 ;; M-x `org-export-as-pdf'
  38 ;; M-x `org-export-as-pdf-and-open'
  39 ;; M-x `org-export-as-latex-batch'
  40 ;; M-x `org-export-as-latex-to-buffer'
  41 ;; M-x `org-export-region-as-latex'
  42 ;; M-x `org-replace-region-by-latex'
  43 ;;
  44 ;;; Code:
  45
  46 (eval-when-compile
  47   (require 'cl))
  48
  49 (require 'footnote)
  50 (require 'org)
  51 (require 'org-exp)
  52 (require 'org-macs)
  53
  54 ;;; Variables:
  55 (defvar org-export-latex-class nil)
  56 (defvar org-export-latex-header nil)
  57 (defvar org-export-latex-append-header nil)
  58 (defvar org-export-latex-options-plist nil)
  59 (defvar org-export-latex-todo-keywords-1 nil)
  60 (defvar org-export-latex-complex-heading-re nil)
  61 (defvar org-export-latex-not-done-keywords nil)
  62 (defvar org-export-latex-done-keywords nil)
  63 (defvar org-export-latex-display-custom-times nil)
  64 (defvar org-export-latex-all-targets-re nil)
  65 (defvar org-export-latex-add-level 0)
  66 (defvar org-export-latex-sectioning "")
  67 (defvar org-export-latex-sectioning-depth 0)
  68 (defvar org-export-latex-special-keyword-regexp
  69   (concat "\\<\\(" org-scheduled-string "\\|"
  70           org-deadline-string "\\|"
  71           org-closed-string"\\)")
  72   "Regexp matching special time planning keywords plus the time after it.")
  73
  74 (defvar latexp)    ; dynamically scoped from org.el
  75 (defvar re-quote)  ; dynamically scoped from org.el
  76 (defvar commentsp) ; dynamically scoped from org.el
  77
  78 ;;; User variables:
  79
  80 (defgroup org-export-latex nil
  81   "Options for exporting Org-mode files to LaTeX."
  82   :tag "Org Export LaTeX"
  83   :group 'org-export)
  84
  85 (defcustom org-export-latex-default-class "article"
  86   "The default LaTeX class."
  87   :group 'org-export-latex
  88   :type '(string :tag "LaTeX class"))
  89
  90 (defcustom org-export-latex-classes
  91   '(("article"
  92      "\\documentclass[11pt]{article}
  93 \\usepackage[utf8]{inputenc}
  94 \\usepackage[T1]{fontenc}
  95 \\usepackage{graphicx}
  96 \\usepackage{longtable}
  97 \\usepackage{float}
  98 \\usepackage{wrapfig}
  99 \\usepackage{soul}
 100 \\usepackage{hyperref}"
 101      ("\\section{%s}" . "\\section*{%s}")
 102      ("\\subsection{%s}" . "\\subsection*{%s}")
 103      ("\\subsubsection{%s}" . "\\subsubsection*{%s}")
 104      ("\\paragraph{%s}" . "\\paragraph*{%s}")
 105      ("\\subparagraph{%s}" . "\\subparagraph*{%s}"))
 106     ("report"
 107      "\\documentclass[11pt]{report}
 108 \\usepackage[utf8]{inputenc}
 109 \\usepackage[T1]{fontenc}
 110 \\usepackage{graphicx}
 111 \\usepackage{longtable}
 112 \\usepackage{float}
 113 \\usepackage{wrapfig}
 114 \\usepackage{soul}
 115 \\usepackage{hyperref}"
 116      ("\\part{%s}" . "\\part*{%s}")
 117      ("\\chapter{%s}" . "\\chapter*{%s}")
 118      ("\\section{%s}" . "\\section*{%s}")
 119      ("\\subsection{%s}" . "\\subsection*{%s}")
 120      ("\\subsubsection{%s}" . "\\subsubsection*{%s}"))
 121     ("book"
 122      "\\documentclass[11pt]{book}
 123 \\usepackage[utf8]{inputenc}
 124 \\usepackage[T1]{fontenc}
 125 \\usepackage{graphicx}
 126 \\usepackage{longtable}
 127 \\usepackage{float}
 128 \\usepackage{wrapfig}
 129 \\usepackage{soul}
 130 \\usepackage{hyperref}"
 131      ("\\part{%s}" . "\\part*{%s}")
 132      ("\\chapter{%s}" . "\\chapter*{%s}")
 133      ("\\section{%s}" . "\\section*{%s}")
 134      ("\\subsection{%s}" . "\\subsection*{%s}")
 135      ("\\subsubsection{%s}" . "\\subsubsection*{%s}")))
 136   "Alist of LaTeX classes and associated header and structure.
 137 If #+LaTeX_CLASS is set in the buffer, use its value and the
 138 associated information.  Here is the structure of each cell:
 139
 140   \(class-name
 141     header-string
 142     (numbered-section . unnumbered-section\)
 143     ...\)
 144
 145 A %s formatter is mandatory in each section string and will be
 146 replaced by the title of the section.
 147
 148 Instead of a cons cell (numbered . unnumbered), you can also provide a list
 149 of 2-4 elements,
 150
 151   (numbered-open numbered-close)
 152
 153 or
 154
 155   (numbered-open numbered-close unnumbered-open unnumbered-close)
 156
 157 providing opening and closing strings for an environment that should
 158 represent the document section.  The opening clause should have a %s
 159 to represent the section title."
 160   :group 'org-export-latex
 161   :type '(repeat
 162           (list (string :tag "LaTeX class")
 163                 (string :tag "LaTeX header")
 164                 (repeat :tag "Levels" :inline t
 165                         (choice
 166                          (cons :tag "Heading"
 167                                (string :tag "numbered")
 168                                (string :tag "unnumbered)"))
 169                          (list :tag "Environment"
 170                                (string :tag "Opening (numbered)  ")
 171                                (string :tag "Closing (numbered)  ")
 172                                (string :tag "Opening (unnumbered)")
 173                                (string :tag "Closing (unnumbered)")))))))
 174
 175 (defcustom org-export-latex-emphasis-alist
 176   '(("*" "\\textbf{%s}" nil)
 177     ("/" "\\emph{%s}" nil)
 178     ("_" "\\underline{%s}" nil)
 179     ("+" "\\st{%s}" nil)
 180     ("=" "\\verb" t)
 181     ("~" "\\verb" t))
 182   "Alist of LaTeX expressions to convert emphasis fontifiers.
 183 Each element of the list is a list of three elements.
 184 The first element is the character used as a marker for fontification.
 185 The second element is a formatting string to wrap fontified text with.
 186 If it is \"\\verb\", Org will automatically select a deimiter
 187 character that is not in the string.
 188 The third element decides whether to protect converted text from other
 189 conversions."
 190   :group 'org-export-latex
 191   :type 'alist)
 192
 193 (defcustom org-export-latex-title-command "\\maketitle"
 194   "The command used to insert the title just after \\begin{document}.
 195 If this string contains the formatting specification \"%s\" then
 196 it will be used as a formatting string, passing the title as an
 197 argument."
 198   :group 'org-export-latex
 199   :type 'string)
 200
 201 (defcustom org-export-latex-import-inbuffer-stuff nil
 202   "Non-nil means define TeX macros for Org's inbuffer definitions.
 203 For example \orgTITLE for #+TITLE."
 204   :group 'org-export-latex
 205   :type 'boolean)
 206
 207 (defcustom org-export-latex-date-format
 208   "%d %B %Y"
 209   "Format string for \\date{...}."
 210   :group 'org-export-latex
 211   :type 'string)
 212
 213 (defcustom org-export-latex-todo-keyword-markup "\\textbf{%s}"
 214   "Markup for TODO keywords, as a printf format.
 215 This can be a single format for all keywords, a cons cell with separate
 216 formats for not-done and done states, or an association list with setup
 217 for individual keywords.  If a keyword shows up for which there is no
 218 markup defined, the first one in the association list will be used."
 219   :group 'org-export-latex
 220   :type '(choice
 221           (string :tag "Default")
 222           (cons :tag "Distinguish undone and done"
 223                 (string :tag "Not-DONE states")
 224                 (string :tag "DONE states"))
 225           (repeat :tag "Per keyword markup"
 226                   (cons
 227                    (string :tag "Keyword")
 228                    (string :tag "Markup")))))
 229
 230 (defcustom org-export-latex-timestamp-markup "\\textit{%s}"
 231   "A printf format string to be applied to time stamps."
 232   :group 'org-export-latex
 233   :type 'string)
 234
 235 (defcustom org-export-latex-timestamp-keyword-markup "\\texttt{%s}"
 236   "A printf format string to be applied to time stamps."
 237   :group 'org-export-latex
 238   :type 'string)
 239
 240 (defcustom org-export-latex-tables-verbatim nil
 241   "When non-nil, tables are exported verbatim."
 242   :group 'org-export-latex
 243   :type 'boolean)
 244
 245 (defcustom org-export-latex-tables-centered t
 246   "When non-nil, tables are exported in a center environment."
 247   :group 'org-export-latex
 248   :type 'boolean)
 249
 250 (defcustom org-export-latex-tables-column-borders nil
 251   "When non-nil, grouping columns can cause outer vertical lines in tables.
 252 When nil, grouping causes only separation lines between groups."
 253   :group 'org-export-latex
 254   :type 'boolean)
 255
 256 (defcustom org-export-latex-packages-alist nil
 257   "Alist of packages to be inserted in the header.
 258 Each cell is of the format \( \"option\" . \"package\" \)."
 259   :group 'org-export-latex
 260   :type '(repeat
 261           (list
 262            (string :tag "option")
 263            (string :tag "package"))))
 264
 265 (defcustom org-export-latex-low-levels 'itemize
 266   "How to convert sections below the current level of sectioning.
 267 This is specified by the `org-export-headline-levels' option or the
 268 value of \"H:\" in Org's #+OPTION line.
 269
 270 This can be either nil (skip the sections), `description', `itemize',
 271 or `enumerate' (convert the sections as the corresponding list type), or
 272 a string to be used instead of \\section{%s}.  In this latter case,
 273 the %s stands here for the inserted headline and is mandatory.
 274
 275 It may also be a list of three string to define a user-defined environment
 276 that should be used.  The first string should be the like
 277 \"\\begin{itemize}\", the second should be like \"\\item %s %s\" with up
 278 to two occurrences of %s for the title and a lable, respectively.  The third
 279 string should be like \"\\end{itemize\"."
 280   :group 'org-export-latex
 281   :type '(choice (const :tag "Ignore" nil)
 282                  (const :tag "Convert as descriptive list" description)
 283                  (const :tag "Convert as itemized list" itemize)
 284                  (const :tag "Convert as enumerated list" enumerate)
 285                  (list  :tag "User-defined environment"
 286                         :value ("\\begin{itemize}" "\\end{itemize}" "\\item %s")
 287                         (string :tag "Start")
 288                         (string :tag "End")
 289                         (string :tag "item"))
 290                  (string :tag "Use a section string" :value "\\subparagraph{%s}")))
 291
 292 (defcustom org-export-latex-list-parameters
 293   '(:cbon "\\texttt{[X]}" :cboff "\\texttt{[ ]}")
 294   "Parameters for the LaTeX list exporter.
 295 These parameters will be passed on to `org-list-to-latex', which in turn
 296 will pass them (combined with the LaTeX default list parameters) to
 297 `org-list-to-generic'."
 298   :group 'org-export-latex
 299   :type 'plist)
 300
 301 (defcustom org-export-latex-verbatim-wrap
 302   '("\\begin{verbatim}\n" . "\\end{verbatim}\n")
 303   "Environment to be wrapped around a fixed-width section in LaTeX export.
 304 This is a cons with two strings, to be added before and after the
 305 fixed-with text.
 306
 307 Defaults to \\begin{verbatim} and \\end{verbatim}."
 308   :group 'org-export-translation
 309   :group 'org-export-latex
 310   :type '(cons (string :tag "Open")
 311                (string :tag "Close")))
 312
 313 (defcustom org-export-latex-listings nil
 314   "Non-nil means, export source code using the listings package.
 315 This package will fontify source code, possibly even with color.
 316 If you want to use this, you also need to make LaTeX use the
 317 listings package, and if you want to have color, the color
 318 package.  Just add these to `org-export-latex-packages-alist',
 319 for example using customize, or with something like
 320
 321   (require 'org-latex)
 322   (add-to-list 'org-export-latex-packages-alist '(\"\" \"listings\"))
 323   (add-to-list 'org-export-latex-packages-alist '(\"\" \"color\"))"
 324   :group 'org-export-latex
 325   :type 'boolean)
 326
 327 (defcustom org-export-latex-listings-langs
 328   '((emacs-lisp "Lisp") (lisp "Lisp")
 329     (c "C") (cc "C++")
 330     (fortran "fortran")
 331     (perl "Perl") (cperl "Perl") (python "Python") (ruby "Ruby")
 332     (html "HTML") (xml "XML")
 333     (tex "TeX") (latex "TeX")
 334     (shell-script "bash")
 335     (gnuplot "Gnuplot")
 336     (ocaml "Caml") (caml "Caml")
 337     (sql "SQL"))
 338   "Alist mapping languages to their listing language counterpart.
 339 The key is a symbol, the major mode symbol without the \"-mode\".
 340 The value is the string that should be inserted as the language parameter
 341 for the listings package.  If the mode name and the listings name are
 342 the same, the language does not need an entry in this list - but it does not
 343 hurt if it is present."
 344   :group 'org-export-latex
 345   :type '(repeat
 346           (list
 347            (symbol :tag "Major mode       ")
 348            (string :tag "Listings language"))))
 349
 350 (defcustom org-export-latex-remove-from-headlines
 351   '(:todo nil :priority nil :tags nil)
 352   "A plist of keywords to remove from headlines. OBSOLETE.
 353 Non-nil means remove this keyword type from the headline.
 354
 355 Don't remove the keys, just change their values.
 356
 357 Obsolete, this variable is no longer used.  Use the separate
 358 variables `org-export-with-todo-keywords', `org-export-with-priority',
 359 and `org-export-with-tags' instead."
 360   :type 'plist
 361   :group 'org-export-latex)
 362
 363 (defcustom org-export-latex-image-default-option "width=10em"
 364   "Default option for images."
 365   :group 'org-export-latex
 366   :type 'string)
 367
 368 (defcustom org-export-latex-inline-image-extensions
 369   '("pdf" "jpeg" "jpg" "png" "ps" "eps")
 370   "Extensions of image files that can be inlined into LaTeX.
 371 Note that the image extension *actually* allowed depend on the way the
 372 LaTeX file is processed.  When used with pdflatex, pdf, jpg and png images
 373 are OK.  When processing through dvi to Postscript, only ps and eps are
 374 allowed.  The default we use here encompasses both."
 375   :group 'org-export-latex
 376   :type '(repeat (string :tag "Extension")))
 377
 378 (defcustom org-export-latex-coding-system nil
 379   "Coding system for the exported LaTex file."
 380   :group 'org-export-latex
 381   :type 'coding-system)
 382
 383 (defgroup org-export-pdf nil
 384   "Options for exporting Org-mode files to PDF, via LaTeX."
 385   :tag "Org Export LaTeX"
 386   :group 'org-export-latex
 387   :group 'org-export)
 388
 389 (defcustom org-latex-to-pdf-process
 390   '("pdflatex -interaction nonstopmode %s"
 391     "pdflatex -interaction nonstopmode %s")
 392   "Commands to process a LaTeX file to a PDF file.
 393 This is a list of strings, each of them will be given to the shell
 394 as a command.  %s in the command will be replaced by the full file name, %b
 395 by the file base name (i.e. without extension).
 396 The reason why this is a list is that it usually takes several runs of
 397 pdflatex, maybe mixed with a call to bibtex.  Org does not have a clever
 398 mechanism to detect whihc of these commands have to be run to get to a stable
 399 result, and it also does not do any error checking.
 400
 401 Alternatively, this may be a Lisp function that does the processing, so you
 402 could use this to apply the machinery of AUCTeX or the Emacs LaTeX mode.
 403 THis function should accept the file name as its single argument."
 404   :group 'org-export-latex
 405   :type '(choice (repeat :tag "Shell command sequence"
 406                   (string :tag "Shell command"))
 407                  (function)))
 408
 409 (defcustom org-export-pdf-remove-logfiles t
 410   "Non-nil means, remove the logfiles produced by PDF production.
 411 These are the .aux, .log, .out, and .toc files."
 412   :group 'org-export-pdf
 413   :type 'boolean)
 414
 415 ;;; Hooks
 416
 417 (defvar org-export-latex-after-blockquotes-hook nil
 418   "Hook run during LaTeX export, after blockquote, verse, center are done.")
 419
 420 (defvar org-export-latex-final-hook nil
 421   "Hook run in the finalized LaTeX buffer.")
 422
 423 ;;; Autoload functions:
 424
 425 ;;;###autoload
 426 (defun org-export-as-latex-batch ()
 427   "Call `org-export-as-latex', may be used in batch processing.
 428 For example:
 429
 430 emacs   --batch
 431         --load=$HOME/lib/emacs/org.el
 432         --eval \"(setq org-export-headline-levels 2)\"
 433         --visit=MyFile --funcall org-export-as-latex-batch"
 434   (org-export-as-latex org-export-headline-levels 'hidden))
 435
 436 ;;;###autoload
 437 (defun org-export-as-latex-to-buffer (arg)
 438   "Call `org-export-as-latex` with output to a temporary buffer.
 439 No file is created.  The prefix ARG is passed through to `org-export-as-latex'."
 440   (interactive "P")
 441   (org-export-as-latex arg nil nil "*Org LaTeX Export*")
 442   (when org-export-show-temporary-export-buffer
 443     (switch-to-buffer-other-window "*Org LaTeX Export*")))
 444
 445 ;;;###autoload
 446 (defun org-replace-region-by-latex (beg end)
 447   "Replace the region from BEG to END with its LaTeX export.
 448 It assumes the region has `org-mode' syntax, and then convert it to
 449 LaTeX.  This can be used in any buffer.  For example, you could
 450 write an itemized list in `org-mode' syntax in an LaTeX buffer and
 451 then use this command to convert it."
 452   (interactive "r")
 453   (let (reg latex buf)
 454     (save-window-excursion
 455       (if (org-mode-p)
 456           (setq latex (org-export-region-as-latex
 457                        beg end t 'string))
 458         (setq reg (buffer-substring beg end)
 459               buf (get-buffer-create "*Org tmp*"))
 460         (save-excursion
 461           (set-buffer buf)
 462           (erase-buffer)
 463           (insert reg)
 464           (org-mode)
 465           (setq latex (org-export-region-as-latex
 466                        (point-min) (point-max) t 'string)))
 467         (kill-buffer buf)))
 468     (delete-region beg end)
 469     (insert latex)))
 470
 471 ;;;###autoload
 472 (defun org-export-region-as-latex (beg end &optional body-only buffer)
 473   "Convert region from BEG to END in `org-mode' buffer to LaTeX.
 474 If prefix arg BODY-ONLY is set, omit file header, footer, and table of
 475 contents, and only produce the region of converted text, useful for
 476 cut-and-paste operations.
 477 If BUFFER is a buffer or a string, use/create that buffer as a target
 478 of the converted LaTeX.  If BUFFER is the symbol `string', return the
 479 produced LaTeX as a string and leave no buffer behind.  For example,
 480 a Lisp program could call this function in the following way:
 481
 482   (setq latex (org-export-region-as-latex beg end t 'string))
 483
 484 When called interactively, the output buffer is selected, and shown
 485 in a window.  A non-interactive call will only return the buffer."
 486   (interactive "r\nP")
 487   (when (interactive-p)
 488     (setq buffer "*Org LaTeX Export*"))
 489   (let ((transient-mark-mode t) (zmacs-regions t)
 490         ext-plist rtn)
 491     (setq ext-plist (plist-put ext-plist :ignore-subree-p t))
 492     (goto-char end)
 493     (set-mark (point)) ;; to activate the region
 494     (goto-char beg)
 495     (setq rtn (org-export-as-latex
 496                nil nil ext-plist
 497                buffer body-only))
 498     (if (fboundp 'deactivate-mark) (deactivate-mark))
 499     (if (and (interactive-p) (bufferp rtn))
 500         (switch-to-buffer-other-window rtn)
 501       rtn)))
 502
 503 ;;;###autoload
 504 (defun org-export-as-latex (arg &optional hidden ext-plist
 505                                 to-buffer body-only pub-dir)
 506   "Export current buffer to a LaTeX file.
 507 If there is an active region, export only the region.  The prefix
 508 ARG specifies how many levels of the outline should become
 509 headlines.  The default is 3.  Lower levels will be exported
 510 depending on `org-export-latex-low-levels'.  The default is to
 511 convert them as description lists.
 512 HIDDEN is obsolete and does nothing.
 513 EXT-PLIST is a property list with
 514 external parameters overriding org-mode's default settings, but
 515 still inferior to file-local settings.  When TO-BUFFER is
 516 non-nil, create a buffer with that name and export to that
 517 buffer.  If TO-BUFFER is the symbol `string', don't leave any
 518 buffer behind but just return the resulting LaTeX as a string.
 519 When BODY-ONLY is set, don't produce the file header and footer,
 520 simply return the content of \begin{document}...\end{document},
 521 without even the \begin{document} and \end{document} commands.
 522 when PUB-DIR is set, use this as the publishing directory."
 523   (interactive "P")
 524   ;; Make sure we have a file name when we need it.
 525   (when (and (not (or to-buffer body-only))
 526              (not buffer-file-name))
 527     (if (buffer-base-buffer)
 528         (org-set-local 'buffer-file-name
 529                        (with-current-buffer (buffer-base-buffer)
 530                          buffer-file-name))
 531       (error "Need a file name to be able to export")))
 532
 533   (message "Exporting to LaTeX...")
 534   (org-unmodified
 535    (remove-text-properties (point-min) (point-max)
 536                            '(:org-license-to-kill nil)))
 537   (org-update-radio-target-regexp)
 538   (org-export-latex-set-initial-vars ext-plist arg)
 539   (let* ((wcf (current-window-configuration))
 540          (opt-plist org-export-latex-options-plist)
 541          (region-p (org-region-active-p))
 542          (rbeg (and region-p (region-beginning)))
 543          (rend (and region-p (region-end)))
 544          (subtree-p
 545           (if (plist-get opt-plist :ignore-subree-p)
 546               nil
 547             (when region-p
 548               (save-excursion
 549                 (goto-char rbeg)
 550                 (and (org-at-heading-p)
 551                      (>= (org-end-of-subtree t t) rend))))))
 552          (opt-plist (setq org-export-opt-plist
 553                           (if subtree-p
 554                               (org-export-add-subtree-options opt-plist rbeg)
 555                             opt-plist)))
 556          ;; Make sure the variable contains the updated values.
 557          (org-export-latex-options-plist opt-plist)
 558          (title (or (and subtree-p (org-export-get-title-from-subtree))
 559                     (plist-get opt-plist :title)
 560                     (and (not
 561                           (plist-get opt-plist :skip-before-1st-heading))
 562                          (org-export-grab-title-from-buffer))
 563                     (file-name-sans-extension
 564                      (file-name-nondirectory buffer-file-name))))
 565          (filename (concat (file-name-as-directory
 566                             (or pub-dir
 567                                 (org-export-directory :LaTeX ext-plist)))
 568                            (file-name-sans-extension
 569                             (or (and subtree-p
 570                                      (org-entry-get rbeg "EXPORT_FILE_NAME" t))
 571                                 (file-name-nondirectory ;sans-extension
 572                                  buffer-file-name)))
 573                            ".tex"))
 574          (filename (if (equal (file-truename filename)
 575                               (file-truename buffer-file-name))
 576                        (concat filename ".tex")
 577                      filename))
 578          (buffer (if to-buffer
 579                      (cond
 580                       ((eq to-buffer 'string) (get-buffer-create
 581                                                "*Org LaTeX Export*"))
 582                       (t (get-buffer-create to-buffer)))
 583                    (find-file-noselect filename)))
 584          (odd org-odd-levels-only)
 585          (header (org-export-latex-make-header title opt-plist))
 586          (skip (cond (subtree-p nil)
 587                      (region-p nil)
 588                      (t (plist-get opt-plist :skip-before-1st-heading))))
 589          (text (plist-get opt-plist :text))
 590          (org-export-preprocess-hook
 591           (cons
 592            `(lambda () (org-set-local 'org-complex-heading-regexp
 593                                       ,org-export-latex-complex-heading-re))
 594            org-export-preprocess-hook))
 595          (first-lines (if skip "" (org-export-latex-first-lines
 596                                    opt-plist
 597                                    (if subtree-p
 598                                        (save-excursion
 599                                          (goto-char rbeg)
 600                                          (point-at-bol 2))
 601                                      rbeg)
 602                                    (if region-p rend))))
 603          (coding-system (and (boundp 'buffer-file-coding-system)
 604                              buffer-file-coding-system))
 605          (coding-system-for-write (or org-export-latex-coding-system
 606                                       coding-system))
 607          (save-buffer-coding-system (or org-export-latex-coding-system
 608                                         coding-system))
 609          (region (buffer-substring
 610                   (if region-p (region-beginning) (point-min))
 611                   (if region-p (region-end) (point-max))))
 612          (string-for-export
 613           (org-export-preprocess-string
 614            region
 615            :emph-multiline t
 616            :for-LaTeX t
 617            :comments nil
 618            :tags (plist-get opt-plist :tags)
 619            :priority (plist-get opt-plist :priority)
 620            :footnotes (plist-get opt-plist :footnotes)
 621            :timestamps (plist-get opt-plist :timestamps)
 622            :todo-keywords (plist-get opt-plist :todo-keywords)
 623            :add-text (if (eq to-buffer 'string) nil text)
 624            :skip-before-1st-heading skip
 625            :select-tags (plist-get opt-plist :select-tags)
 626            :exclude-tags (plist-get opt-plist :exclude-tags)
 627            :LaTeX-fragments nil)))
 628
 629     (set-buffer buffer)
 630     (erase-buffer)
 631     (org-install-letbind)
 632
 633     (and (fboundp 'set-buffer-file-coding-system)
 634          (set-buffer-file-coding-system coding-system-for-write))
 635
 636     ;; insert the header and initial document commands
 637     (unless (or (eq to-buffer 'string) body-only)
 638       (insert header))
 639
 640     ;; insert text found in #+TEXT
 641     (when (and text (not (eq to-buffer 'string)))
 642       (insert (org-export-latex-content
 643                text '(lists tables fixed-width keywords))
 644                "\n\n"))
 645
 646     ;; insert lines before the first headline
 647     (unless skip
 648       (insert first-lines))
 649
 650     ;; export the content of headlines
 651     (org-export-latex-global
 652      (with-temp-buffer
 653        (insert string-for-export)
 654        (goto-char (point-min))
 655        (when (re-search-forward "^\\(\\*+\\) " nil t)
 656          (let* ((asters (length (match-string 1)))
 657                 (level (if odd (- asters 2) (- asters 1))))
 658            (setq org-export-latex-add-level
 659                  (if odd (1- (/ (1+ asters) 2)) (1- asters)))
 660            (org-export-latex-parse-global level odd)))))
 661
 662     ;; finalization
 663     (unless body-only (insert "\n\\end{document}"))
 664
 665     ;; Relocate the table of contents
 666     (goto-char (point-min))
 667     (when (re-search-forward "\\[TABLE-OF-CONTENTS\\]" nil t)
 668       (goto-char (point-min))
 669       (while (re-search-forward "\\\\tableofcontents\\>[ \t]*\n?" nil t)
 670         (replace-match ""))
 671       (goto-char (point-min))
 672       (and (re-search-forward "\\[TABLE-OF-CONTENTS\\]" nil t)
 673            (replace-match "\\tableofcontents" t t)))
 674
 675     (run-hooks 'org-export-latex-final-hook)
 676     (or to-buffer (save-buffer))
 677     (goto-char (point-min))
 678     (or (org-export-push-to-kill-ring "LaTeX")
 679         (message "Exporting to LaTeX...done"))
 680     (prog1
 681         (if (eq to-buffer 'string)
 682             (prog1 (buffer-substring (point-min) (point-max))
 683               (kill-buffer (current-buffer)))
 684           (current-buffer))
 685       (set-window-configuration wcf))))
 686
 687 ;;;###autoload
 688 (defun org-export-as-pdf (arg &optional hidden ext-plist
 689                               to-buffer body-only pub-dir)
 690   "Export as LaTeX, then process through to PDF."
 691   (interactive "P")
 692   (message "Exporting to PDF...")
 693   (let* ((wconfig (current-window-configuration))
 694          (lbuf (org-export-as-latex arg hidden ext-plist
 695                                     to-buffer body-only pub-dir))
 696          (file (buffer-file-name lbuf))
 697          (base (file-name-sans-extension (buffer-file-name lbuf)))
 698          (pdffile (concat base ".pdf"))
 699          (cmds org-latex-to-pdf-process)
 700          (outbuf (get-buffer-create "*Org PDF LaTeX Output*"))
 701          (bibtex-p (with-current-buffer lbuf
 702                      (save-excursion
 703                        (goto-char (point-min))
 704                        (re-search-forward "\\\\bibliography{" nil t))))
 705          cmd)
 706     (with-current-buffer outbuf (erase-buffer))
 707     (and (file-exists-p pdffile) (delete-file pdffile))
 708     (message "Processing LaTeX file...")
 709     (if (and cmds (symbolp cmds))
 710         (funcall cmds file)
 711       (while cmds
 712         (setq cmd (pop cmds))
 713         (while (string-match "%b" cmd)
 714           (setq cmd (replace-match
 715                      (save-match-data
 716                        (shell-quote-argument base))
 717                      t t cmd)))
 718         (while (string-match "%s" cmd)
 719           (setq cmd (replace-match
 720                      (save-match-data
 721                        (shell-quote-argument file))
 722                      t t cmd)))
 723         (shell-command cmd outbuf outbuf)))
 724     (message "Processing LaTeX file...done")
 725     (if (not (file-exists-p pdffile))
 726         (error "PDF file was not produced")
 727       (set-window-configuration wconfig)
 728       (when org-export-pdf-remove-logfiles
 729         (dolist (ext '("aux" "log" "out" "toc"))
 730           (setq file (concat base "." ext))
 731           (and (file-exists-p file) (delete-file file))))
 732       (message "Exporting to PDF...done")
 733       pdffile)))
 734
 735 ;;;###autoload
 736 (defun org-export-as-pdf-and-open (arg)
 737   "Export as LaTeX, then process through to PDF, and open."
 738   (interactive "P")
 739   (let ((pdffile (org-export-as-pdf arg)))
 740     (if pdffile
 741         (org-open-file pdffile)
 742       (error "PDF file was not produced"))))
 743
 744 ;;; Parsing functions:
 745
 746 (defun org-export-latex-parse-global (level odd)
 747   "Parse the current buffer recursively, starting at LEVEL.
 748 If ODD is non-nil, assume the buffer only contains odd sections.
 749 Return a list reflecting the document structure."
 750   (save-excursion
 751     (goto-char (point-min))
 752     (let* ((cnt 0) output
 753            (depth org-export-latex-sectioning-depth))
 754       (while (re-search-forward
 755               (concat "^\\(\\(?:\\*\\)\\{"
 756                       (number-to-string (+ (if odd 2 1) level))
 757                       "\\}\\) \\(.*\\)$")
 758               ;; make sure that there is no upper heading
 759               (when (> level 0)
 760                 (save-excursion
 761                   (save-match-data
 762                     (re-search-forward
 763                      (concat "^\\(\\(?:\\*\\)\\{"
 764                              (number-to-string level)
 765                              "\\}\\) \\(.*\\)$") nil t)))) t)
 766         (setq cnt (1+ cnt))
 767         (let* ((pos (match-beginning 0))
 768                (heading (match-string 2))
 769                (nlevel (if odd (/ (+ 3 level) 2) (1+ level))))
 770           (save-excursion
 771             (narrow-to-region
 772              (point)
 773              (save-match-data
 774                (if (re-search-forward
 775                     (concat "^\\(\\(?:\\*\\)\\{"
 776                             (number-to-string (+ (if odd 2 1) level))
 777                             "\\}\\) \\(.*\\)$") nil t)
 778                    (match-beginning 0)
 779                  (point-max))))
 780             (goto-char (point-min))
 781             (setq output
 782                   (append output
 783                           (list
 784                            (list
 785                             `(pos . ,pos)
 786                             `(level . ,nlevel)
 787                             `(occur . ,cnt)
 788                             `(heading . ,heading)
 789                             `(content . ,(org-export-latex-parse-content))
 790                             `(subcontent . ,(org-export-latex-parse-subcontent
 791                                              level odd)))))))
 792           (widen)))
 793       (list output))))
 794
 795 (defun org-export-latex-parse-content ()
 796   "Extract the content of a section."
 797   (let ((beg (point))
 798         (end (if (re-search-forward "^\\(\\*\\)+ .*$" nil t)
 799                  (progn (beginning-of-line) (point))
 800                (point-max))))
 801     (buffer-substring beg end)))
 802
 803 (defun org-export-latex-parse-subcontent (level odd)
 804   "Extract the subcontent of a section at LEVEL.
 805 If ODD Is non-nil, assume subcontent only contains odd sections."
 806   (if (not (re-search-forward
 807             (concat "^\\(\\(?:\\*\\)\\{"
 808                     (number-to-string (+ (if odd 4 2) level))
 809                     "\\}\\) \\(.*\\)$")
 810             nil t))
 811       nil ; subcontent is nil
 812     (org-export-latex-parse-global (+ (if odd 2 1) level) odd)))
 813
 814 ;;; Rendering functions:
 815 (defun org-export-latex-global (content)
 816   "Export CONTENT to LaTeX.
 817 CONTENT is an element of the list produced by
 818 `org-export-latex-parse-global'."
 819   (if (eq (car content) 'subcontent)
 820       (mapc 'org-export-latex-sub (cdr content))
 821     (org-export-latex-sub (car content))))
 822
 823 (defun org-export-latex-sub (subcontent)
 824   "Export the list SUBCONTENT to LaTeX.
 825 SUBCONTENT is an alist containing information about the headline
 826 and its content."
 827   (let ((num (plist-get org-export-latex-options-plist :section-numbers)))
 828     (mapc (lambda(x) (org-export-latex-subcontent x num)) subcontent)))
 829
 830 (defun org-export-latex-subcontent (subcontent num)
 831   "Export each cell of SUBCONTENT to LaTeX.
 832 If NUM, export sections as numerical sections."
 833   (let* ((heading (org-export-latex-fontify-headline
 834                    (cdr (assoc 'heading subcontent))))
 835          (level (- (cdr (assoc 'level subcontent))
 836                    org-export-latex-add-level))
 837          (occur (number-to-string (cdr (assoc 'occur subcontent))))
 838          (content (cdr (assoc 'content subcontent)))
 839          (subcontent (cadr (assoc 'subcontent subcontent)))
 840          (label (org-get-text-property-any 0 'target heading))
 841          (label-list (cons label (cdr (assoc label
 842                                              org-export-target-aliases)))))
 843     (cond
 844      ;; Normal conversion
 845      ((<= level org-export-latex-sectioning-depth)
 846       (let* ((sec (nth (1- level) org-export-latex-sectioning))
 847              start end)
 848         (if (consp (cdr sec))
 849             (setq start (nth (if num 0 2) sec)
 850                   end (nth (if num 1 3) sec))
 851           (setq start (if num (car sec) (cdr sec))))
 852         (insert (format start heading) "\n")
 853         (when label
 854           (insert (mapconcat (lambda (l) (format "\\label{%s}" l))
 855                              label-list "\n") "\n"))
 856         (insert (org-export-latex-content content))
 857         (cond ((stringp subcontent) (insert subcontent))
 858               ((listp subcontent) (org-export-latex-sub subcontent)))
 859         (if end (insert end "\n"))))
 860      ;; At a level under the hl option: we can drop this subsection
 861      ((> level org-export-latex-sectioning-depth)
 862       (cond ((eq org-export-latex-low-levels 'description)
 863              (if (string-match "% ends low level$"
 864                                (buffer-substring (point-at-bol 0) (point)))
 865                  (delete-region (point-at-bol 0) (point))
 866                (insert "\\begin{description}\n"))
 867              (insert (format "\n\\item[%s]%s~\n\n"
 868                              heading
 869                              (if label (format "\\label{%s}" label) "")))
 870              (insert (org-export-latex-content content))
 871              (cond ((stringp subcontent) (insert subcontent))
 872                    ((listp subcontent) (org-export-latex-sub subcontent)))
 873              (insert "\\end{description} % ends low level\n"))
 874             ((memq org-export-latex-low-levels '(itemize enumerate))
 875              (if (string-match "% ends low level$"
 876                                (buffer-substring (point-at-bol 0) (point)))
 877                  (delete-region (point-at-bol 0) (point))
 878                (insert (format "\\begin{%s}\n"
 879                                (symbol-name org-export-latex-low-levels))))
 880              (insert (format "\n\\item %s\\\\\n%s\n"
 881                              heading
 882                              (if label (format "\\label{%s}" label) "")))
 883              (insert (org-export-latex-content content))
 884              (cond ((stringp subcontent) (insert subcontent))
 885                    ((listp subcontent) (org-export-latex-sub subcontent)))
 886              (insert (format "\\end{%s} %% ends low level\n"
 887                              (symbol-name org-export-latex-low-levels))))
 888
 889             ((listp org-export-latex-low-levels)
 890              (if (string-match "% ends low level$"
 891                                (buffer-substring (point-at-bol 0) (point)))
 892                  (delete-region (point-at-bol 0) (point))
 893                (insert (car org-export-latex-low-levels) "\n"))
 894              (insert (format (nth 2 org-export-latex-low-levels)
 895                              heading
 896                              (if label (format "\\label{%s}" label) "")))
 897              (insert (org-export-latex-content content))
 898              (cond ((stringp subcontent) (insert subcontent))
 899                    ((listp subcontent) (org-export-latex-sub subcontent)))
 900              (insert (nth 1 org-export-latex-low-levels)
 901                      " %% ends low level\n"))
 902
 903             ((stringp org-export-latex-low-levels)
 904              (insert (format org-export-latex-low-levels heading) "\n")
 905              (when label (insert (format "\\label{%s}\n" label)))
 906              (insert (org-export-latex-content content))
 907              (cond ((stringp subcontent) (insert subcontent))
 908                    ((listp subcontent) (org-export-latex-sub subcontent)))))))))
 909
 910 ;;; Exporting internals:
 911 (defun org-export-latex-set-initial-vars (ext-plist level)
 912   "Store org local variables required for LaTeX export.
 913 EXT-PLIST is an optional additional plist.
 914 LEVEL indicates the default depth for export."
 915   (setq org-export-latex-todo-keywords-1 org-todo-keywords-1
 916         org-export-latex-done-keywords org-done-keywords
 917         org-export-latex-not-done-keywords org-not-done-keywords
 918         org-export-latex-complex-heading-re org-complex-heading-regexp
 919         org-export-latex-display-custom-times org-display-custom-times
 920         org-export-latex-all-targets-re
 921         (org-make-target-link-regexp (org-all-targets))
 922         org-export-latex-options-plist
 923         (org-combine-plists (org-default-export-plist) ext-plist
 924                             (org-infile-export-plist))
 925         org-export-latex-class
 926         (or (and (org-region-active-p)
 927                  (save-excursion
 928                    (goto-char (region-beginning))
 929                    (and (looking-at org-complex-heading-regexp)
 930                         (org-entry-get nil "LaTeX_CLASS" 'selective))))
 931             (save-excursion
 932               (save-restriction
 933                 (widen)
 934                 (goto-char (point-min))
 935                 (and (re-search-forward "^#\\+LaTeX_CLASS:[ \t]*\\([a-zA-Z]+\\)" nil t)
 936                      (match-string 1))))
 937             (plist-get org-export-latex-options-plist :latex-class)
 938             org-export-latex-default-class)
 939         org-export-latex-class
 940         (or (car (assoc org-export-latex-class org-export-latex-classes))
 941             (error "No definition for class `%s' in `org-export-latex-classes'"
 942                    org-export-latex-class))
 943         org-export-latex-header
 944         (cadr (assoc org-export-latex-class org-export-latex-classes))
 945         org-export-latex-sectioning
 946         (cddr (assoc org-export-latex-class org-export-latex-classes))
 947         org-export-latex-sectioning-depth
 948         (or level
 949             (let ((hl-levels
 950                    (plist-get org-export-latex-options-plist :headline-levels))
 951                   (sec-depth (length org-export-latex-sectioning)))
 952               (if (> hl-levels sec-depth) sec-depth hl-levels)))))
 953
 954 (defun org-export-latex-make-header (title opt-plist)
 955   "Make the LaTeX header and return it as a string.
 956 TITLE is the current title from the buffer or region.
 957 OPT-PLIST is the options plist for current buffer."
 958   (let ((toc (plist-get opt-plist :table-of-contents))
 959         (author (plist-get opt-plist :author)))
 960     (concat
 961      (if (plist-get opt-plist :time-stamp-file)
 962          (format-time-string "%% Created %Y-%m-%d %a %H:%M\n"))
 963      ;; insert LaTeX custom header
 964      (org-export-apply-macros-in-string org-export-latex-header)
 965      "\n"
 966      ;; insert information on LaTeX packages
 967      (when org-export-latex-packages-alist
 968        (mapconcat (lambda(p)
 969                     (if (equal "" (car p))
 970                         (format "\\usepackage{%s}" (cadr p))
 971                       (format "\\usepackage[%s]{%s}"
 972                               (car p) (cadr p))))
 973                   org-export-latex-packages-alist "\n"))
 974      ;; insert additional commands in the header
 975      (org-export-apply-macros-in-string
 976       (plist-get opt-plist :latex-header-extra))
 977      (org-export-apply-macros-in-string org-export-latex-append-header)
 978      ;; insert the title
 979      (format
 980       "\n\n\\title{%s}\n"
 981       ;; convert the title
 982       (org-export-latex-content
 983        title '(lists tables fixed-width keywords)))
 984      ;; insert author info
 985      (if (plist-get opt-plist :author-info)
 986          (format "\\author{%s}\n"
 987                  (org-export-latex-fontify-headline (or author user-full-name)));????????????????????
 988        (format "%%\\author{%s}\n"
 989                (or author user-full-name)))
 990      ;; insert the date
 991      (format "\\date{%s}\n"
 992              (format-time-string
 993               (or (plist-get opt-plist :date)
 994                   org-export-latex-date-format)))
 995      ;; beginning of the document
 996      "\n\\begin{document}\n\n"
 997      ;; insert the title command
 998      (when (string-match "\\S-" title)
 999        (if (string-match "%s" org-export-latex-title-command)
1000            (format org-export-latex-title-command title)
1001          org-export-latex-title-command))
1002      "\n\n"
1003      ;; table of contents
1004      (when (and org-export-with-toc
1005                 (plist-get opt-plist :section-numbers))
1006        (cond ((numberp toc)
1007               (format "\\setcounter{tocdepth}{%s}\n\\tableofcontents\n\\vspace*{1cm}\n"
1008                       (min toc (plist-get opt-plist :headline-levels))))
1009              (toc (format "\\setcounter{tocdepth}{%s}\n\\tableofcontents\n\\vspace*{1cm}\n"
1010                           (plist-get opt-plist :headline-levels))))))))
1011
1012 (defun org-export-latex-first-lines (opt-plist &optional beg end)
1013   "Export the first lines before first headline.
1014 If BEG is non-nil, it is the beginning of the region.
1015 If END is non-nil, it is the end of the region."
1016   (save-excursion
1017     (goto-char (or beg (point-min)))
1018     (let* ((pt (point))
1019            (end (if (re-search-forward "^\\*+ " end t)
1020                     (goto-char (match-beginning 0))
1021                   (goto-char (or end (point-max))))))
1022       (prog1
1023           (org-export-latex-content
1024            (org-export-preprocess-string
1025             (buffer-substring pt end)
1026             :for-LaTeX t
1027             :emph-multiline t
1028             :add-text nil
1029             :comments nil
1030             :skip-before-1st-heading nil
1031             :LaTeX-fragments nil
1032             :timestamps (plist-get opt-plist :timestamps)
1033             :footnotes (plist-get opt-plist :footnotes)))
1034         (org-unmodified
1035          (add-text-properties pt (max pt (1- end))
1036                               '(:org-license-to-kill t)))))))
1037
1038 (defvar org-export-latex-header-defs nil
1039   "The header definitions that might be used in the LaTeX body.")
1040 (defvar org-export-latex-header-defs-re nil
1041   "The header definitions that might be used in the LaTeX body.")
1042
1043 (defun org-export-latex-content (content &optional exclude-list)
1044   "Convert CONTENT string to LaTeX.
1045 Don't perform conversions that are in EXCLUDE-LIST.  Recognized
1046 conversion types are: quotation-marks, emphasis, sub-superscript,
1047 links, keywords, lists, tables, fixed-width"
1048   (with-temp-buffer
1049    (insert content)
1050    (unless (memq 'timestamps exclude-list)
1051      (org-export-latex-time-stamps))
1052    (unless (memq 'quotation-marks exclude-list)
1053      (org-export-latex-quotation-marks))
1054    (unless (memq 'emphasis exclude-list)
1055      (when (plist-get org-export-latex-options-plist :emphasize)
1056        (org-export-latex-fontify)))
1057    (unless (memq 'sub-superscript exclude-list)
1058      (org-export-latex-special-chars
1059       (plist-get org-export-latex-options-plist :sub-superscript)))
1060    (unless (memq 'links exclude-list)
1061      (org-export-latex-links))
1062    (unless (memq 'keywords exclude-list)
1063      (org-export-latex-keywords))
1064    (unless (memq 'lists exclude-list)
1065      (org-export-latex-lists))
1066    (unless (memq 'tables exclude-list)
1067      (org-export-latex-tables
1068       (plist-get org-export-latex-options-plist :tables)))
1069    (unless (memq 'fixed-width exclude-list)
1070      (org-export-latex-fixed-width
1071       (plist-get org-export-latex-options-plist :fixed-width)))
1072    ;; return string
1073    (buffer-substring (point-min) (point-max))))
1074
1075 (defun org-export-latex-protect-string (s)
1076   "Add the org-protected property to string S."
1077   (add-text-properties 0 (length s) '(org-protected t) s) s)
1078
1079 (defun org-export-latex-protect-char-in-string (char-list string)
1080   "Add org-protected text-property to char from CHAR-LIST in STRING."
1081   (with-temp-buffer
1082     (save-match-data
1083       (insert string)
1084       (goto-char (point-min))
1085       (while (re-search-forward (regexp-opt char-list) nil t)
1086         (add-text-properties (match-beginning 0)
1087                              (match-end 0) '(org-protected t)))
1088       (buffer-string))))
1089
1090 (defun org-export-latex-keywords-maybe (&optional remove-list)
1091   "Maybe remove keywords depending on rules in REMOVE-LIST."
1092   (goto-char (point-min))
1093   (let ((re-todo (mapconcat 'identity org-export-latex-todo-keywords-1 "\\|"))
1094         (case-fold-search nil)
1095         (todo-markup org-export-latex-todo-keyword-markup)
1096         fmt)
1097     ;; convert TODO keywords
1098     (when (re-search-forward (concat "^\\(" re-todo "\\)") nil t)
1099       (if (plist-get remove-list :todo)
1100           (replace-match "")
1101         (setq fmt (cond
1102                    ((stringp todo-markup) todo-markup)
1103                    ((and (consp todo-markup) (stringp (car todo-markup)))
1104                     (if (member (match-string 1) org-export-latex-done-keywords)
1105                         (cdr todo-markup) (car todo-markup)))
1106                    (t (cdr (or (assoc (match-string 1) todo-markup)
1107                                (car todo-markup))))))
1108         (replace-match (format fmt (match-string 1)) t t)))
1109     ;; convert priority string
1110     (when (re-search-forward "\\[\\\\#.\\]" nil t)
1111       (if (plist-get remove-list :priority)
1112           (replace-match "")
1113         (replace-match (format "\\textbf{%s}" (match-string 0)) t t)))
1114     ;; convert tags
1115     (when (re-search-forward "\\(:[a-zA-Z0-9_@]+\\)+:" nil t)
1116       (if (or (not org-export-with-tags)
1117               (plist-get remove-list :tags))
1118           (replace-match "")
1119         (replace-match
1120          (org-export-latex-protect-string
1121           (format "\\textbf{%s}"
1122                   (save-match-data
1123                     (replace-regexp-in-string
1124                      "_" "\\\\_" (match-string 0)))))
1125          t t)))))
1126
1127 (defun org-export-latex-fontify-headline (string)
1128   "Fontify special words in STRING."
1129   (with-temp-buffer
1130     ;; FIXME: org-inside-LaTeX-fragment-p doesn't work when the $...$ is at
1131     ;; the beginning of the buffer - inserting "\n" is safe here though.
1132     (insert "\n" string)
1133     (goto-char (point-min))
1134     (when (plist-get org-export-latex-options-plist :emphasize)
1135       (org-export-latex-fontify))
1136     (org-export-latex-keywords-maybe)
1137     (org-export-latex-special-chars
1138      (plist-get org-export-latex-options-plist :sub-superscript))
1139     (org-export-latex-links)
1140     (org-trim (buffer-string))))
1141
1142 (defun org-export-latex-time-stamps ()
1143   "Format time stamps."
1144   (goto-char (point-min))
1145   (let ((org-display-custom-times org-export-latex-display-custom-times))
1146     (while (re-search-forward org-ts-regexp-both nil t)
1147       (org-if-unprotected-at (1- (point))
1148        (replace-match
1149         (org-export-latex-protect-string
1150          (format org-export-latex-timestamp-markup
1151                  (substring (org-translate-time (match-string 0)) 1 -1)))
1152         t t)))))
1153
1154 (defun org-export-latex-quotation-marks ()
1155   "Export quotation marks depending on language conventions."
1156   (let* ((lang (plist-get org-export-latex-options-plist :language))
1157          (quote-rpl (if (equal lang "fr")
1158                         '(("\\(\\s-\\)\"" "«~")
1159                           ("\\(\\S-\\)\"" "~»")
1160                           ("\\(\\s-\\)'" "`"))
1161                       '(("\\(\\s-\\|(\\)\"" "``")
1162                         ("\\(\\S-\\)\"" "''")
1163                         ("\\(\\s-\\|(\\)'" "`")))))
1164     (mapc (lambda(l) (goto-char (point-min))
1165             (while (re-search-forward (car l) nil t)
1166               (let ((rpl (concat (match-string 1) (cadr l))))
1167                 (org-export-latex-protect-string rpl)
1168                 (org-if-unprotected-1
1169                  (replace-match rpl t t))))) quote-rpl)))
1170
1171 (defun org-export-latex-special-chars (sub-superscript)
1172   "Export special characters to LaTeX.
1173 If SUB-SUPERSCRIPT is non-nil, convert \\ and ^.
1174 See the `org-export-latex.el' code for a complete conversion table."
1175   (goto-char (point-min))
1176   (mapc (lambda(c)
1177           (goto-char (point-min))
1178           (while (re-search-forward c nil t)
1179             ;; Put the point where to check for org-protected
1180             (unless (get-text-property (match-beginning 2) 'org-protected)
1181               (cond ((member (match-string 2) '("\\$" "$"))
1182                      (if (equal (match-string 2) "\\$")
1183                          nil
1184                        (replace-match "\\$" t t)))
1185                     ((member (match-string 2) '("&" "%" "#"))
1186                      (if (equal (match-string 1) "\\")
1187                          (replace-match (match-string 2) t t)
1188                        (replace-match (concat (match-string 1) "\\"
1189                                               (match-string 2)) t t)))
1190                     ((equal (match-string 2) "...")
1191                      (replace-match
1192                       (concat (match-string 1)
1193                               (org-export-latex-protect-string "\\ldots{}")) t t))
1194                     ((equal (match-string 2) "~")
1195                      (cond ((equal (match-string 1) "\\") nil)
1196                            ((eq 'org-link (get-text-property 0 'face (match-string 2)))
1197                             (replace-match (concat (match-string 1) "\\~") t t))
1198                            (t (replace-match
1199                                (org-export-latex-protect-string
1200                                 (concat (match-string 1) "\\~{}")) t t))))
1201                     ((member (match-string 2) '("{" "}"))
1202                      (unless (save-match-data (org-inside-latex-math-p))
1203                        (if (equal (match-string 1) "\\")
1204                            (replace-match (match-string 2) t t)
1205                          (replace-match (concat (match-string 1) "\\"
1206                                                 (match-string 2)) t t)))))
1207               (unless (save-match-data (org-inside-latex-math-p))
1208                 (cond ((equal (match-string 2) "\\")
1209                        (replace-match (or (save-match-data
1210                                             (org-export-latex-treat-backslash-char
1211                                              (match-string 1)
1212                                              (or (match-string 3) "")))
1213                                           "") t t))
1214                       ((member (match-string 2) '("_" "^"))
1215                        (replace-match (or (save-match-data
1216                                             (org-export-latex-treat-sub-super-char
1217                                              sub-superscript
1218                                              (match-string 2)
1219                                              (match-string 1)
1220                                              (match-string 3))) "") t t)
1221                        (backward-char 1)))))))
1222         '(;"^\\([^\n$]*?\\|^\\)\\(\\\\?\\$\\)\\([^\n$]*\\)$"
1223           "\\(\\(\\\\?\\$\\)\\)"
1224           "\\([a-za-z0-9]+\\|[ \t\n]\\|\\b\\|\\\\\\)\\(_\\|\\^\\)\\({[^{}]+}\\|[a-za-z0-9]+\\|[ \t\n]\\|[:punct:]\\|)\\|{[a-za-z0-9]+}\\|([a-za-z0-9]+)\\)"
1225           "\\(.\\|^\\)\\(\\\\\\)\\([ \t\n]\\|[a-zA-Z&#%{}\"]+\\)"
1226           "\\(.\\|^\\)\\(&\\)"
1227           "\\(.\\|^\\)\\(#\\)"
1228           "\\(.\\|^\\)\\(%\\)"
1229           "\\(.\\|^\\)\\({\\)"
1230           "\\(.\\|^\\)\\(}\\)"
1231           "\\(.\\|^\\)\\(~\\)"
1232           "\\(.\\|^\\)\\(\\.\\.\\.\\)"
1233           ;; (?\< . "\\textless{}")
1234           ;; (?\> . "\\textgreater{}")
1235           )))
1236
1237 (defun org-inside-latex-math-p ()
1238   (get-text-property (point) 'org-latex-math))
1239
1240 (defun org-export-latex-treat-sub-super-char
1241   (subsup char string-before string-after)
1242   "Convert the \"_\" and \"^\" characters to LaTeX.
1243 SUBSUP corresponds to the ^: option in the #+OPTIONS line.
1244 Convert CHAR depending on STRING-BEFORE and STRING-AFTER."
1245   (cond ((equal string-before "\\")
1246          (concat string-before char string-after))
1247         ((and (string-match "\\S-+" string-after))
1248          ;; this is part of a math formula
1249          (cond ((eq 'org-link (get-text-property 0 'face char))
1250                 (concat string-before "\\" char string-after))
1251                ((save-match-data (org-inside-latex-math-p))
1252                 (if subsup
1253                     (cond ((eq 1 (length string-after))
1254                            (concat string-before char string-after))
1255                           ((string-match "[({]?\\([^)}]+\\)[)}]?" string-after)
1256                            (format "%s%s{%s}" string-before char
1257                                    (match-string 1 string-after))))))
1258                ((and (> (length string-after) 1)
1259                      (or (eq subsup t)
1260                          (and (equal subsup '{}) (eq (string-to-char string-after) ?\{)))
1261                      (string-match "[({]?\\([^)}]+\\)[)}]?" string-after))
1262                 (org-export-latex-protect-string
1263                  (format "%s$%s{%s}$" string-before char
1264                          (if (and (> (match-end 1) (1+ (match-beginning 1)))
1265                                   (not (equal (substring string-after 0 2) "{\\")))
1266                              (concat "\\mathrm{" (match-string 1 string-after) "}")
1267                            (match-string 1 string-after)))))
1268                ((eq subsup t) (concat string-before "$" char string-after "$"))
1269                (t (org-export-latex-protect-string
1270                    (concat string-before "\\" char "{}" string-after)))))
1271         (t (org-export-latex-protect-string
1272             (concat string-before "\\" char "{}" string-after)))))
1273
1274 (defun org-export-latex-treat-backslash-char (string-before string-after)
1275   "Convert the \"$\" special character to LaTeX.
1276 The conversion is made depending of STRING-BEFORE and STRING-AFTER."
1277   (cond ((member (list string-after) org-html-entities)
1278          ;; backslash is part of a special entity (like "\alpha")
1279          (concat string-before "$\\"
1280                  (or (cdar (member (list string-after) org-html-entities))
1281                      string-after) "$"))
1282         ((and (not (string-match "^[ \n\t]" string-after))
1283               (not (string-match "[ \t]\\'\\|^" string-before)))
1284          ;; backslash is inside a word
1285          (org-export-latex-protect-string
1286           (concat string-before "\\textbackslash{}" string-after)))
1287         ((not (or (equal string-after "")
1288                   (string-match "^[ \t\n]" string-after)))
1289          ;; backslash might escape a character (like \#) or a user TeX
1290          ;; macro (like \setcounter)
1291          (org-export-latex-protect-string
1292           (concat string-before "\\" string-after)))
1293         ((and (string-match "^[ \t\n]" string-after)
1294               (string-match "[ \t\n]\\'" string-before))
1295          ;; backslash is alone, convert it to $\backslash$
1296          (org-export-latex-protect-string
1297           (concat string-before "\\textbackslash{}" string-after)))
1298         (t (org-export-latex-protect-string
1299             (concat string-before "\\textbackslash{}" string-after)))))
1300
1301 (defun org-export-latex-keywords ()
1302   "Convert special keywords to LaTeX."
1303   (goto-char (point-min))
1304   (while (re-search-forward org-export-latex-special-keyword-regexp nil t)
1305     (replace-match (format org-export-latex-timestamp-keyword-markup
1306                            (match-string 0)) t t)
1307     (save-excursion
1308       (beginning-of-line 1)
1309       (unless (looking-at ".*\\\\newline[ \t]*$")
1310         (end-of-line 1)
1311         (insert "\\newline")))))
1312
1313 (defun org-export-latex-fixed-width (opt)
1314   "When OPT is non-nil convert fixed-width sections to LaTeX."
1315   (goto-char (point-min))
1316   (while (re-search-forward "^[ \t]*:\\([ \t]\\|$\\)" nil t)
1317     (if opt
1318         (progn (goto-char (match-beginning 0))
1319                (insert "\\begin{verbatim}\n")
1320                (while (looking-at "^\\([ \t]*\\):\\(\\([ \t]\\|$\\).*\\)$")
1321                  (replace-match (concat (match-string 1)
1322                                         (match-string 2)) t t)
1323                  (forward-line))
1324                (insert "\\end{verbatim}\n\n"))
1325       (progn (goto-char (match-beginning 0))
1326              (while (looking-at "^\\([ \t]*\\):\\(\\([ \t]\\|$\\).*\\)$")
1327                (replace-match (concat "%" (match-string 1)
1328                                       (match-string 2)) t t)
1329                (forward-line))))))
1330
1331
1332 (defvar org-table-last-alignment) ; defined in org-table.el
1333 (defvar org-table-last-column-widths) ; defined in org-table.el
1334 (declare-function orgtbl-to-latex "org-table" (table params) t)
1335 (defun org-export-latex-tables (insert)
1336   "Convert tables to LaTeX and INSERT it."
1337   (goto-char (point-min))
1338   (while (re-search-forward "^\\([ \t]*\\)|" nil t)
1339     (org-if-unprotected-at (1- (point))
1340       (org-table-align)
1341       (let* ((beg (org-table-begin))
1342              (end (org-table-end))
1343              (raw-table (buffer-substring beg end))
1344              (org-table-last-alignment (copy-sequence org-table-last-alignment))
1345              (org-table-last-column-widths (copy-sequence
1346                                             org-table-last-column-widths))
1347              fnum fields line lines olines gr colgropen line-fmt align
1348              caption label attr floatp longtblp)
1349         (if org-export-latex-tables-verbatim
1350             (let* ((tbl (concat "\\begin{verbatim}\n" raw-table
1351                                 "\\end{verbatim}\n")))
1352               (apply 'delete-region (list beg end))
1353               (insert (org-export-latex-protect-string tbl)))
1354           (progn
1355             (setq caption (org-find-text-property-in-string
1356                            'org-caption raw-table)
1357                   attr (org-find-text-property-in-string
1358                         'org-attributes raw-table)
1359                   label (org-find-text-property-in-string
1360                          'org-label raw-table)
1361                   longtblp (and attr (stringp attr)
1362                                 (string-match "\\<longtable\\>" attr))
1363                   align (and attr (stringp attr)
1364                              (string-match "\\<align=\\([^ \t\n\r,]+\\)" attr)
1365                              (match-string 1 attr))
1366                   floatp (or caption label))
1367             (setq lines (org-split-string raw-table "\n"))
1368             (apply 'delete-region (list beg end))
1369             (when org-export-table-remove-special-lines
1370               (setq lines (org-table-clean-before-export lines 'maybe-quoted)))
1371             (when org-table-clean-did-remove-column
1372               (pop org-table-last-alignment)
1373               (pop org-table-last-column-widths))
1374             ;; make a formatting string to reflect aligment
1375             (setq olines lines)
1376             (while (and (not line-fmt) (setq line (pop olines)))
1377               (unless (string-match "^[ \t]*|-" line)
1378                 (setq fields (org-split-string line "[ \t]*|[ \t]*"))
1379                 (setq fnum (make-vector (length fields) 0))
1380                 (setq line-fmt
1381                       (mapconcat
1382                        (lambda (x)
1383                          (setq gr (pop org-table-colgroup-info))
1384                          (format "%s%%s%s"
1385                                  (cond ((eq gr :start)
1386                                         (prog1 (if colgropen "|" "|")
1387                                           (setq colgropen t)))
1388                                        ((eq gr :startend)
1389                                         (prog1 (if colgropen "|" "|")
1390                                           (setq colgropen nil)))
1391                                        (t ""))
1392                                  (if (memq gr '(:end :startend))
1393                                      (progn (setq colgropen nil) "|")
1394                                    "")))
1395                        fnum ""))))
1396             ;; fix double || in line-fmt
1397             (setq line-fmt (replace-regexp-in-string "||" "|" line-fmt))
1398             ;; maybe remove the first and last "|"
1399             (when (and (not org-export-latex-tables-column-borders)
1400                        (string-match "^\\(|\\)?\\(.+\\)|$" line-fmt))
1401               (setq line-fmt (match-string 2 line-fmt)))
1402             ;; format alignment
1403             (unless align
1404               (setq align (apply 'format
1405                                  (cons line-fmt
1406                                        (mapcar (lambda (x) (if x "r" "l"))
1407                                                org-table-last-alignment)))))
1408             ;; prepare the table to send to orgtbl-to-latex
1409             (setq lines
1410                   (mapcar
1411                    (lambda(elem)
1412                      (or (and (string-match "[ \t]*|-+" elem) 'hline)
1413                          (org-split-string (org-trim elem) "|")))
1414                    lines))
1415             (when insert
1416               (insert (org-export-latex-protect-string
1417                        (concat
1418                         (if longtblp
1419                             (concat "\\begin{longtable}{" align "}\n")
1420                           (if floatp "\\begin{table}[htb]\n"))
1421                         (if (or floatp longtblp)
1422                             (format
1423                              "\\caption{%s%s}"
1424                              (if label (concat "\\\label{" label "}") "")
1425                              (or caption "")))
1426                         (if longtblp "\\\\\n" "\n")
1427                         (if (and org-export-latex-tables-centered (not longtblp))
1428                             "\\begin{center}\n")
1429                         (if (not longtblp) (concat "\\begin{tabular}{" align "}\n"))
1430                         (orgtbl-to-latex
1431                          lines
1432                          `(:tstart nil :tend nil
1433                                    :hlend ,(if longtblp
1434                                                (format "\\\\
1435 \\hline
1436 \\endhead
1437 \\hline\\multicolumn{%d}{r}{Continued on next page}\\
1438 \\endfoot
1439 \\endlastfoot" (length org-table-last-alignment))
1440                                              nil)))
1441                         (if (not longtblp) (concat "\n\\end{tabular}"))
1442                         (if longtblp "\n" (if org-export-latex-tables-centered
1443                                               "\n\\end{center}\n" "\n"))
1444                         (if longtblp
1445                             "\\end{longtable}"
1446                           (if floatp "\\end{table}"))))
1447                       "\n\n"))))))))
1448
1449 (defun org-export-latex-fontify ()
1450   "Convert fontification to LaTeX."
1451   (goto-char (point-min))
1452   (while (re-search-forward org-emph-re nil t)
1453     ;; The match goes one char after the *string*
1454     (let ((emph (assoc (match-string 3)
1455                        org-export-latex-emphasis-alist))
1456           (beg (match-beginning 0))
1457           (end (match-end 0))
1458           rpl)
1459       (unless emph
1460         (message "`org-export-latex-emphasis-alist' has no entry for formatting triggered by \"%s\""
1461                  (match-string 3)))
1462       (unless (or (get-text-property (1- (point)) 'org-protected)
1463                   (save-excursion
1464                     (goto-char (match-beginning 1))
1465                     (save-match-data
1466                       (and (org-at-table-p)
1467                            (string-match
1468                             "[|\n]" (buffer-substring beg end))))))
1469         (setq rpl (concat (match-string 1)
1470                           (org-export-latex-emph-format (cadr emph)
1471                                                         (match-string 4))
1472                           (match-string 5)))
1473         (if (caddr emph)
1474             (setq rpl (org-export-latex-protect-string rpl)))
1475         (replace-match rpl t t)))
1476     (backward-char)))
1477
1478 (defvar org-export-latex-use-verb nil)
1479 (defun org-export-latex-emph-format (format string)
1480   "Format an emphasis string and handle the \\verb special case."
1481   (when (equal format "\\verb")
1482     (save-match-data
1483       (if org-export-latex-use-verb
1484           (let ((ll "~,./?;':\"|!@#%^&-_=+abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ<>()[]{}"))
1485             (catch 'exit
1486               (loop for i from 0 to (1- (length ll)) do
1487                     (if (not (string-match (regexp-quote (substring ll i (1+ i)))
1488                                            string))
1489                         (progn
1490                           (setq format (concat "\\verb" (substring ll i (1+ i))
1491                                                "%s" (substring ll i (1+ i))))
1492                           (throw 'exit nil))))))
1493         (let ((start 0)
1494               (trans '(("\\" . "\\textbackslash{}")
1495                        ("~" . "\\textasciitilde{}")
1496                        ("^" . "\\textasciicircum{}")))
1497               (rtn "") char)
1498           (while (string-match "[\\{}$%&_#~^]" string)
1499             (setq char (match-string 0 string))
1500             (if (> (match-beginning 0) 0)
1501                 (setq rtn (concat rtn (substring string
1502                                                  0 (match-beginning 0)))))
1503             (setq string (substring string (1+ (match-beginning 0))))
1504             (setq char (or (cdr (assoc char trans)) (concat "\\" char))
1505                   rtn (concat rtn char)))
1506           (setq string (concat rtn string) format "\\texttt{%s}")))))
1507   (setq string (org-export-latex-protect-string
1508                 (format format string))))
1509
1510 (defun org-export-latex-links ()
1511   ;; Make sure to use the LaTeX hyperref and graphicx package
1512   ;; or send some warnings.
1513   "Convert links to LaTeX."
1514   (goto-char (point-min))
1515   (while (re-search-forward org-bracket-link-analytic-regexp++ nil t)
1516     (org-if-unprotected
1517      (goto-char (match-beginning 0))
1518      (let* ((re-radio org-export-latex-all-targets-re)
1519             (remove (list (match-beginning 0) (match-end 0)))
1520             (raw-path (org-extract-attributes (match-string 3)))
1521             (full-raw-path (concat (match-string 1) raw-path))
1522             (desc (match-string 5))
1523             (type (or (match-string 2)
1524                       (if (or (file-name-absolute-p raw-path)
1525                               (string-match "^\\.\\.?/" raw-path))
1526                           "file")))
1527             (coderefp (equal type "coderef"))
1528             (caption (org-find-text-property-in-string 'org-caption raw-path))
1529             (attr (or (org-find-text-property-in-string 'org-attributes raw-path)
1530                       (plist-get org-export-latex-options-plist :latex-image-options)))
1531             (label (org-find-text-property-in-string 'org-label raw-path))
1532             imgp radiop
1533             ;; define the path of the link
1534             (path (cond
1535                    ((member type '("coderef"))
1536                     raw-path)
1537                    ((member type '("http" "https" "ftp"))
1538                     (concat type ":" raw-path))
1539                    ((and re-radio (string-match re-radio raw-path))
1540                     (setq radiop t))
1541                    ((equal type "mailto")
1542                     (concat type ":" raw-path))
1543                    ((equal type "file")
1544                     (if (and (org-file-image-p
1545                               (expand-file-name
1546                                raw-path)
1547                               org-export-latex-inline-image-extensions)
1548                              (or (get-text-property 0 'org-no-description
1549                                                     raw-path)
1550                                  (equal desc full-raw-path)))
1551                         (setq imgp t)
1552                       (progn (when (string-match "\\(.+\\)::.+" raw-path)
1553                                (setq raw-path (match-string 1 raw-path)))
1554                              (if (file-exists-p raw-path)
1555                                  (concat type "://" (expand-file-name raw-path))
1556                                (concat type "://" (org-export-directory
1557                                                    :LaTeX org-export-latex-options-plist)
1558                                        raw-path))))))))
1559        ;; process with link inserting
1560        (apply 'delete-region remove)
1561        (cond ((and imgp
1562                    (plist-get org-export-latex-options-plist :inline-images))
1563               ;; OK, we need to inline an image
1564               (insert
1565                (org-export-latex-format-image raw-path caption label attr)))
1566              (coderefp
1567               (insert (format
1568                        (org-export-get-coderef-format path desc)
1569                        (cdr (assoc path org-export-code-refs)))))
1570              (radiop (insert (format "\\hyperref[%s]{%s}"
1571                                      (org-solidify-link-text raw-path) desc)))
1572              ((not type)
1573               (insert (format "\\hyperref[%s]{%s}"
1574                               (org-remove-initial-hash
1575                                (org-solidify-link-text raw-path))
1576                               desc)))
1577              (path
1578               (when (org-at-table-p)
1579                 ;; There is a strange problem when we have a link in a table,
1580                 ;; ampersands then cause a problem.  I think this must be
1581                 ;; a LaTeX issue, but we here implement a work-around anyway.
1582                 (setq path (org-export-latex-protect-amp path)
1583                       desc (org-export-latex-protect-amp desc)))
1584               (insert (format "\\href{%s}{%s}" path desc)))
1585              (t (insert "\\texttt{" desc "}")))))))
1586
1587
1588 (defun org-export-latex-format-image (path caption label attr)
1589   "Format the image element, depending on user settings."
1590   (let (floatp wrapp placement figenv)
1591     (setq floatp (or caption label))
1592     (when (and attr (stringp attr))
1593       (if (string-match "[ \t]*\\<wrap\\>" attr)
1594           (setq wrapp t floatp nil attr (replace-match "" t t attr)))
1595       (if (string-match "[ \t]*\\<float\\>" attr)
1596           (setq wrapp nil floatp t attr (replace-match "" t t attr))))
1597
1598     (setq placement
1599           (cond
1600            (wrapp "{l}{0.5\\textwidth}")
1601            (floatp "[htb]")
1602            (t "")))
1603
1604     (when (and attr (stringp attr)
1605                (string-match "[ \t]*\\<placement=\\(\\S-+\\)" attr))
1606       (setq placement (match-string 1 attr)
1607             attr (replace-match "" t t attr)))
1608     (setq attr (and attr (org-trim attr)))
1609     (when (or (not attr) (= (length attr) 0))
1610       (setq attr (cond (floatp "width=0.7\\textwidth")
1611                        (wrapp "width=0.48\\textwidth")
1612                        (t attr))))
1613     (setq figenv
1614           (cond
1615            (wrapp "\\begin{wrapfigure}%placement
1616 \\centering
1617 \\includegraphics[%attr]{%path}
1618 \\caption{%labelcmd%caption}
1619 \\end{wrapfigure}")
1620            (floatp "\\begin{figure}%placement
1621 \\centering
1622 \\includegraphics[%attr]{%path}
1623 \\caption{%labelcmd%caption}
1624 \\end{figure}")
1625            (t "\\includegraphics[%attr]{%path}")))
1626
1627     (if (and (not label) (not caption)
1628              (string-match "^\\\\caption{.*\n" figenv))
1629         (setq figenv (replace-match "" t t figenv)))
1630     (org-fill-template
1631      figenv
1632      (list (cons "path"
1633                  (if (file-name-absolute-p path)
1634                      (expand-file-name path)
1635                    path))
1636            (cons "attr" attr)
1637            (cons "labelcmd" (if label (format "\\label{%s}"
1638                                               label)""))
1639            (cons "caption" (or caption ""))
1640            (cons "placement" (or placement ""))))))
1641
1642 (defun org-export-latex-protect-amp (s)
1643   (while (string-match "\\([^\\\\]\\)\\(&\\)" s)
1644     (setq s (replace-match (concat (match-string 1 s) "\\" (match-string 2 s))
1645                            t t s)))
1646   s)
1647
1648 (defun org-remove-initial-hash (s)
1649   (if (string-match "\\`#" s)
1650       (substring s 1)
1651     s))
1652 (defvar org-latex-entities)   ; defined below
1653 (defvar org-latex-entities-regexp)   ; defined below
1654 (defvar org-latex-entities-exceptions)   ; defined below
1655
1656 (defun org-export-latex-preprocess (parameters)
1657   "Clean stuff in the LaTeX export."
1658   ;; Preserve line breaks
1659   (goto-char (point-min))
1660   (while (re-search-forward "\\\\\\\\" nil t)
1661     (add-text-properties (match-beginning 0) (match-end 0)
1662                          '(org-protected t)))
1663
1664   ;; Preserve latex environments
1665   (goto-char (point-min))
1666   (while (re-search-forward "^[ \t]*\\\\begin{\\([a-zA-Z]+\\*?\\)}" nil t)
1667     (let* ((start (progn (beginning-of-line) (point)))
1668            (end (and (re-search-forward
1669                       (concat "^[ \t]*\\\\end{"
1670                               (regexp-quote (match-string 1))
1671                               "}") nil t)
1672                      (point-at-eol))))
1673       (if end
1674           (add-text-properties start end '(org-protected t))
1675         (goto-char (point-at-eol)))))
1676
1677   ;; Preserve math snippets
1678
1679   (let* ((matchers (plist-get org-format-latex-options :matchers))
1680          (re-list org-latex-regexps)
1681          beg end re e m n block off)
1682     ;; Check the different regular expressions
1683     (while (setq e (pop re-list))
1684       (setq m (car e) re (nth 1 e) n (nth 2 e)
1685             block (if (nth 3 e) "\n\n" ""))
1686       (setq off (if (member m '("$" "$1")) 1 0))
1687       (when (and (member m matchers) (not (equal m "begin")))
1688         (goto-char (point-min))
1689         (while (re-search-forward re nil t)
1690           (setq beg (+ (match-beginning 0) off) end (- (match-end 0) 0))
1691           (add-text-properties beg end '(org-protected t org-latex-math t))))))
1692
1693   ;; Convert LaTeX to \LaTeX{}
1694   (goto-char (point-min))
1695   (let ((case-fold-search nil))
1696     (while (re-search-forward "\\([^+_]\\)LaTeX" nil t)
1697       (org-if-unprotected
1698        (replace-match (org-export-latex-protect-string
1699                        (concat (match-string 1) "\\LaTeX{}")) t t))))
1700
1701   ;; Convert blockquotes
1702   (goto-char (point-min))
1703   (while (search-forward "ORG-BLOCKQUOTE-START" nil t)
1704     (org-replace-match-keep-properties "\\begin{quote}" t t))
1705   (goto-char (point-min))
1706   (while (search-forward "ORG-BLOCKQUOTE-END" nil t)
1707     (org-replace-match-keep-properties "\\end{quote}" t t))
1708
1709   ;; Convert verse
1710   (goto-char (point-min))
1711   (while (search-forward "ORG-VERSE-START" nil t)
1712     (org-replace-match-keep-properties "\\begin{verse}" t t)
1713     (beginning-of-line 2)
1714     (while (and (not (looking-at "[ \t]*ORG-VERSE-END.*")) (not (eobp)))
1715       (when (looking-at "\\([ \t]+\\)\\([^ \t\n]\\)")
1716         (goto-char (match-end 1))
1717         (org-replace-match-keep-properties
1718          (org-export-latex-protect-string
1719           (concat "\\hspace*{1cm}" (match-string 2))) t t)
1720         (beginning-of-line 1))
1721       (if (looking-at "[ \t]*$")
1722           (insert "\\vspace*{1em}")
1723         (unless (looking-at ".*?[^ \t\n].*?\\\\\\\\[ \t]*$")
1724           (end-of-line 1)
1725           (insert "\\\\")))
1726       (beginning-of-line 2))
1727     (and (looking-at "[ \t]*ORG-VERSE-END.*")
1728          (org-replace-match-keep-properties "\\end{verse}" t t)))
1729
1730   ;; Convert center
1731   (goto-char (point-min))
1732   (while (search-forward "ORG-CENTER-START" nil t)
1733     (org-replace-match-keep-properties "\\begin{center}" t t))
1734   (goto-char (point-min))
1735   (while (search-forward "ORG-CENTER-END" nil t)
1736     (org-replace-match-keep-properties "\\end{center}" t t))
1737
1738   (run-hooks 'org-export-latex-after-blockquotes-hook)
1739
1740   ;; Convert horizontal rules
1741   (goto-char (point-min))
1742   (while (re-search-forward "^----+.$" nil t)
1743     (org-if-unprotected
1744      (replace-match (org-export-latex-protect-string "\\hrule") t t)))
1745
1746   ;; Protect LaTeX commands like \command[...]{...} or \command{...}
1747   (let ((re (concat "\\\\[a-zA-Z]+\\(?:"
1748                     "\\[.*\\]"
1749                     "\\)?"
1750                     (org-create-multibrace-regexp "{" "}" 3))))
1751     (while (re-search-forward re nil t)
1752       (unless (save-excursion (goto-char (match-beginning 0))
1753                               (equal (char-after (point-at-bol)) ?#))
1754         (add-text-properties (match-beginning 0) (match-end 0)
1755                              '(org-protected t)))))
1756
1757   ;; Protect LaTeX entities
1758   (goto-char (point-min))
1759   (let (a)
1760     (while (re-search-forward org-latex-entities-regexp nil t)
1761       (if (setq a (assoc (match-string 0) org-latex-entities-exceptions))
1762           (replace-match (org-add-props (nth 1 a) nil 'org-protected t)
1763                          t t)
1764         (add-text-properties (match-beginning 0) (match-end 0)
1765                              '(org-protected t)))))
1766
1767   ;; Replace radio links
1768   (goto-char (point-min))
1769   (while (re-search-forward
1770           (concat "<<<?" org-export-latex-all-targets-re
1771                   ">>>?\\((INVISIBLE)\\)?") nil t)
1772     (org-if-unprotected
1773      (replace-match
1774       (org-export-latex-protect-string
1775        (format "\\label{%s}%s" (save-match-data (org-solidify-link-text
1776                                                  (match-string 1)))
1777                (if (match-string 2) "" (match-string 1)))) t t)))
1778
1779   ;; Delete @<...> constructs
1780   ;; Thanks to Daniel Clemente for this regexp
1781   (goto-char (point-min))
1782   (while (re-search-forward "@<\\(?:[^\"\n]\\|\".*\"\\)*?>" nil t)
1783     (org-if-unprotected
1784      (replace-match "")))
1785
1786   ;; When converting to LaTeX, replace footnotes
1787   ;; FIXME: don't protect footnotes from conversion
1788   (when (plist-get org-export-latex-options-plist :footnotes)
1789     (goto-char (point-min))
1790     (while (re-search-forward "\\[\\([0-9]+\\)\\]" nil t)
1791       (org-if-unprotected
1792        (when (save-match-data
1793                (save-excursion (beginning-of-line)
1794                                (looking-at "[^:|#]")))
1795          (let ((foot-beg (match-beginning 0))
1796                (foot-end (match-end 0))
1797                (foot-prefix (match-string 0))
1798                footnote footnote-rpl)
1799            (save-excursion
1800              (if (not (re-search-forward (concat "^" (regexp-quote foot-prefix))
1801                                          nil t))
1802                  (replace-match "$^{\\1}$")
1803                (replace-match "")
1804                (let ((end (save-excursion
1805                             (if (re-search-forward "^$\\|^#.*$\\|\\[[0-9]+\\]" nil t)
1806                                 (match-beginning 0) (point-max)))))
1807                  (setq footnote (concat (org-trim (buffer-substring (point) end))
1808                                         " ")) ; prevent last } being part of a link
1809                  (delete-region (point) end))
1810                (goto-char foot-beg)
1811                (delete-region foot-beg foot-end)
1812                (unless (null footnote)
1813                  (setq footnote-rpl (format "\\footnote{%s}" footnote))
1814                  (add-text-properties 0 10 '(org-protected t) footnote-rpl)
1815                  (add-text-properties (1- (length footnote-rpl))
1816                                       (length footnote-rpl)
1817                                       '(org-protected t) footnote-rpl)
1818                  (insert footnote-rpl)))
1819              )))))
1820
1821     ;; Remove footnote section tag for LaTeX
1822     (goto-char (point-min))
1823     (while (re-search-forward
1824             (concat "^" footnote-section-tag-regexp) nil t)
1825       (org-if-unprotected
1826        (replace-match "")))))
1827
1828 ;;; List handling:
1829
1830 (defun org-export-latex-lists ()
1831   "Convert plain text lists in current buffer into LaTeX lists."
1832   (goto-char (point-min))
1833   (while (re-search-forward org-list-beginning-re nil t)
1834     (org-if-unprotected
1835      (beginning-of-line)
1836      (insert (org-list-to-latex (org-list-parse-list t)
1837                                 org-export-latex-list-parameters))
1838      "\n")))
1839
1840 (defconst org-latex-entities
1841  '("\\!"
1842    "\\'"
1843    "\\+"
1844    "\\,"
1845    "\\-"
1846    "\\:"
1847    "\\;"
1848    "\\<"
1849    "\\="
1850    "\\>"
1851    "\\Huge"
1852    "\\LARGE"
1853    "\\Large"
1854    "\\Styles"
1855    "\\\\"
1856    "\\`"
1857    "\\addcontentsline"
1858    "\\address"
1859    "\\addtocontents"
1860    "\\addtocounter"
1861    "\\addtolength"
1862    "\\addvspace"
1863    "\\alph"
1864    "\\appendix"
1865    "\\arabic"
1866    "\\author"
1867    "\\begin{array}"
1868    "\\begin{center}"
1869    "\\begin{description}"
1870    "\\begin{enumerate}"
1871    "\\begin{eqnarray}"
1872    "\\begin{equation}"
1873    "\\begin{figure}"
1874    "\\begin{flushleft}"
1875    "\\begin{flushright}"
1876    "\\begin{itemize}"
1877    "\\begin{list}"
1878    "\\begin{minipage}"
1879    "\\begin{picture}"
1880    "\\begin{quotation}"
1881    "\\begin{quote}"
1882    "\\begin{tabbing}"
1883    "\\begin{table}"
1884    "\\begin{tabular}"
1885    "\\begin{thebibliography}"
1886    "\\begin{theorem}"
1887    "\\begin{titlepage}"
1888    "\\begin{verbatim}"
1889    "\\begin{verse}"
1890    "\\bf"
1891    "\\bf"
1892    "\\bibitem"
1893    "\\bigskip"
1894    "\\cdots"
1895    "\\centering"
1896    "\\circle"
1897    "\\cite"
1898    "\\cleardoublepage"
1899    "\\clearpage"
1900    "\\cline"
1901    "\\closing"
1902    "\\dashbox"
1903    "\\date"
1904    "\\ddots"
1905    "\\dotfill"
1906    "\\em"
1907    "\\fbox"
1908    "\\flushbottom"
1909    "\\fnsymbol"
1910    "\\footnote"
1911    "\\footnotemark"
1912    "\\footnotesize"
1913    "\\footnotetext"
1914    "\\frac"
1915    "\\frame"
1916    "\\framebox"
1917    "\\hfill"
1918    "\\hline"
1919    "\\hrulespace"
1920    "\\hspace"
1921    "\\huge"
1922    "\\hyphenation"
1923    "\\include"
1924    "\\includeonly"
1925    "\\indent"
1926    "\\input"
1927    "\\it"
1928    "\\kill"
1929    "\\label"
1930    "\\large"
1931    "\\ldots"
1932    "\\line"
1933    "\\linebreak"
1934    "\\linethickness"
1935    "\\listoffigures"
1936    "\\listoftables"
1937    "\\location"
1938    "\\makebox"
1939    "\\maketitle"
1940    "\\mark"
1941    "\\mbox"
1942    "\\medskip"
1943    "\\multicolumn"
1944    "\\multiput"
1945    ("\\nbsp" "~")
1946    "\\newcommand"
1947    "\\newcounter"
1948    "\\newenvironment"
1949    "\\newfont"
1950    "\\newlength"
1951    "\\newline"
1952    "\\newpage"
1953    "\\newsavebox"
1954    "\\newtheorem"
1955    "\\nocite"
1956    "\\nofiles"
1957    "\\noindent"
1958    "\\nolinebreak"
1959    "\\nopagebreak"
1960    "\\normalsize"
1961    "\\onecolumn"
1962    "\\opening"
1963    "\\oval"
1964    "\\overbrace"
1965    "\\overline"
1966    "\\pagebreak"
1967    "\\pagenumbering"
1968    "\\pageref"
1969    "\\pagestyle"
1970    "\\par"
1971    "\\parbox"
1972    "\\put"
1973    "\\raggedbottom"
1974    "\\raggedleft"
1975    "\\raggedright"
1976    "\\raisebox"
1977    "\\ref"
1978    "\\rm"
1979    "\\roman"
1980    "\\rule"
1981    "\\savebox"
1982    "\\sc"
1983    "\\scriptsize"
1984    "\\setcounter"
1985    "\\setlength"
1986    "\\settowidth"
1987    "\\sf"
1988    "\\shortstack"
1989    "\\signature"
1990    "\\sl"
1991    "\\small"
1992    "\\smallskip"
1993    "\\sqrt"
1994    "\\tableofcontents"
1995    "\\telephone"
1996    "\\thanks"
1997    "\\thispagestyle"
1998    "\\tiny"
1999    "\\title"
2000    "\\tt"
2001    "\\twocolumn"
2002    "\\typein"
2003    "\\typeout"
2004    "\\underbrace"
2005    "\\underline"
2006    "\\usebox"
2007    "\\usecounter"
2008    "\\value"
2009    "\\vdots"
2010    "\\vector"
2011    "\\verb"
2012    "\\vfill"
2013    "\\vline"
2014    "\\vspace")
2015  "A list of LaTeX commands to be protected when performing conversion.")
2016
2017 (defvar org-latex-entities-exceptions nil)
2018
2019 (defconst org-latex-entities-regexp
2020   (let (names rest)
2021     (dolist (x org-latex-entities)
2022       (when (consp x)
2023         (add-to-list 'org-latex-entities-exceptions x)
2024         (setq x (car x)))
2025       (if (string-match "[a-z][A-Z]$" x)
2026           (push x names)
2027         (push x rest)))
2028     (concat "\\(" (regexp-opt (nreverse names)) "\\>\\)"
2029             "\\|\\(" (regexp-opt (nreverse rest)) "\\)")))
2030
2031 (provide 'org-export-latex)
2032 (provide 'org-latex)
2033
2034 ;; arch-tag: 23c2b87d-da04-4c2d-ad2d-1eb6487bc3ad
2035
2036 ;;; org-latex.el ends here