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: 6.29c
   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
  53 ;;; Variables:
  54 (defvar org-export-latex-class nil)
  55 (defvar org-export-latex-header nil)
  56 (defvar org-export-latex-append-header nil)
  57 (defvar org-export-latex-options-plist nil)
  58 (defvar org-export-latex-todo-keywords-1 nil)
  59 (defvar org-export-latex-complex-heading-re nil)
  60 (defvar org-export-latex-not-done-keywords nil)
  61 (defvar org-export-latex-done-keywords nil)
  62 (defvar org-export-latex-display-custom-times nil)
  63 (defvar org-export-latex-all-targets-re nil)
  64 (defvar org-export-latex-add-level 0)
  65 (defvar org-export-latex-sectioning "")
  66 (defvar org-export-latex-sectioning-depth 0)
  67 (defvar org-export-latex-special-keyword-regexp
  68   (concat "\\<\\(" org-scheduled-string "\\|"
  69           org-deadline-string "\\|"
  70           org-closed-string"\\)")
  71   "Regexp matching special time planning keywords plus the time after it.")
  72
  73 (defvar latexp)    ; dynamically scoped from org.el
  74 (defvar re-quote)  ; dynamically scoped from org.el
  75 (defvar commentsp) ; dynamically scoped from org.el
  76
  77 ;;; User variables:
  78
  79 (defgroup org-export-latex nil
  80   "Options for exporting Org-mode files to LaTeX."
  81   :tag "Org Export LaTeX"
  82   :group 'org-export)
  83
  84 (defcustom org-export-latex-default-class "article"
  85   "The default LaTeX class."
  86   :group 'org-export-latex
  87   :type '(string :tag "LaTeX class"))
  88
  89 (defcustom org-export-latex-classes
  90   '(("article"
  91      "\\documentclass[11pt]{article}
  92 \\usepackage[utf8]{inputenc}
  93 \\usepackage[T1]{fontenc}
  94 \\usepackage{graphicx}
  95 \\usepackage{longtable}
  96 \\usepackage{hyperref}"
  97      ("\\section{%s}" . "\\section*{%s}")
  98      ("\\subsection{%s}" . "\\subsection*{%s}")
  99      ("\\subsubsection{%s}" . "\\subsubsection*{%s}")
 100      ("\\paragraph{%s}" . "\\paragraph*{%s}")
 101      ("\\subparagraph{%s}" . "\\subparagraph*{%s}"))
 102     ("report"
 103      "\\documentclass[11pt]{report}
 104 \\usepackage[utf8]{inputenc}
 105 \\usepackage[T1]{fontenc}
 106 \\usepackage{graphicx}
 107 \\usepackage{longtable}
 108 \\usepackage{hyperref}"
 109      ("\\part{%s}" . "\\part*{%s}")
 110      ("\\chapter{%s}" . "\\chapter*{%s}")
 111      ("\\section{%s}" . "\\section*{%s}")
 112      ("\\subsection{%s}" . "\\subsection*{%s}")
 113      ("\\subsubsection{%s}" . "\\subsubsection*{%s}"))
 114     ("book"
 115      "\\documentclass[11pt]{book}
 116 \\usepackage[utf8]{inputenc}
 117 \\usepackage[T1]{fontenc}
 118 \\usepackage{graphicx}
 119 \\usepackage{longtable}
 120 \\usepackage{hyperref}"
 121      ("\\part{%s}" . "\\part*{%s}")
 122      ("\\chapter{%s}" . "\\chapter*{%s}")
 123      ("\\section{%s}" . "\\section*{%s}")
 124      ("\\subsection{%s}" . "\\subsection*{%s}")
 125      ("\\subsubsection{%s}" . "\\subsubsection*{%s}")))
 126   "Alist of LaTeX classes and associated header and structure.
 127 If #+LaTeX_CLASS is set in the buffer, use its value and the
 128 associated information.  Here is the structure of each cell:
 129
 130   \(class-name
 131     header-string
 132     (numbered-section . unnumbered-section\)
 133     ...\)
 134
 135 A %s formatter is mandatory in each section string and will be
 136 replaced by the title of the section.
 137
 138 Instead of a cons cell (numbered . unnumbered), you can also provide a list
 139 of 2-4 elements,
 140
 141   (numbered-open numbered-close)
 142
 143 or
 144
 145   (numbered-open numbered-close unnumbered-open unnumbered-close)
 146
 147 providing opening and closing strings for an environment that should
 148 represent the document section.  The opening clause should have a %s
 149 to represent the section title."
 150   :group 'org-export-latex
 151   :type '(repeat
 152           (list (string :tag "LaTeX class")
 153                 (string :tag "LaTeX header")
 154                 (repeat :tag "Levels" :inline t
 155                         (choice
 156                          (cons :tag "Heading"
 157                                (string :tag "numbered")
 158                                (string :tag "unnumbered)"))
 159                          (list :tag "Environment"
 160                                (string :tag "Opening (numbered)  ")
 161                                (string :tag "Closing (numbered)  ")
 162                                (string :tag "Opening (unnumbered)")
 163                                (string :tag "Closing (unnumbered)")))))))
 164
 165 (defcustom org-export-latex-emphasis-alist
 166   '(("*" "\\textbf{%s}" nil)
 167     ("/" "\\emph{%s}" nil)
 168     ("_" "\\underline{%s}" nil)
 169     ("+" "\\texttt{%s}" nil)
 170     ("=" "\\verb" t)
 171     ("~" "\\verb" t))
 172   "Alist of LaTeX expressions to convert emphasis fontifiers.
 173 Each element of the list is a list of three elements.
 174 The first element is the character used as a marker for fontification.
 175 The second element is a formatting string to wrap fontified text with.
 176 If it is \"\\verb\", Org will automatically select a deimiter
 177 character that is not in the string.
 178 The third element decides whether to protect converted text from other
 179 conversions."
 180   :group 'org-export-latex
 181   :type 'alist)
 182
 183 (defcustom org-export-latex-title-command "\\maketitle"
 184   "The command used to insert the title just after \\begin{document}.
 185 If this string contains the formatting specification \"%s\" then
 186 it will be used as a formatting string, passing the title as an
 187 argument."
 188   :group 'org-export-latex
 189   :type 'string)
 190
 191 (defcustom org-export-latex-import-inbuffer-stuff nil
 192   "Non-nil means define TeX macros for Org's inbuffer definitions.
 193 For example \orgTITLE for #+TITLE."
 194   :group 'org-export-latex
 195   :type 'boolean)
 196
 197 (defcustom org-export-latex-date-format
 198   "%d %B %Y"
 199   "Format string for \\date{...}."
 200   :group 'org-export-latex
 201   :type 'string)
 202
 203 (defcustom org-export-latex-todo-keyword-markup "\\textbf{%s}"
 204   "Markup for TODO keywords, as a printf format.
 205 This can be a single format for all keywords, a cons cell with separate
 206 formats for not-done and done states, or an association list with setup
 207 for individual keywords.  If a keyword shows up for which there is no
 208 markup defined, the first one in the association list will be used."
 209   :group 'org-export-latex
 210   :type '(choice
 211           (string :tag "Default")
 212           (cons :tag "Distinguish undone and done"
 213                 (string :tag "Not-DONE states")
 214                 (string :tag "DONE states"))
 215           (repeat :tag "Per keyword markup"
 216                   (cons
 217                    (string :tag "Keyword")
 218                    (string :tag "Markup")))))
 219
 220 (defcustom org-export-latex-timestamp-markup "\\textit{%s}"
 221   "A printf format string to be applied to time stamps."
 222   :group 'org-export-latex
 223   :type 'string)
 224
 225 (defcustom org-export-latex-timestamp-keyword-markup "\\texttt{%s}"
 226   "A printf format string to be applied to time stamps."
 227   :group 'org-export-latex
 228   :type 'string)
 229
 230 (defcustom org-export-latex-tables-verbatim nil
 231   "When non-nil, tables are exported verbatim."
 232   :group 'org-export-latex
 233   :type 'boolean)
 234
 235 (defcustom org-export-latex-tables-centered t
 236   "When non-nil, tables are exported in a center environment."
 237   :group 'org-export-latex
 238   :type 'boolean)
 239
 240 (defcustom org-export-latex-tables-column-borders nil
 241   "When non-nil, grouping columns can cause outer vertical lines in tables.
 242 When nil, grouping causes only separation lines between groups."
 243   :group 'org-export-latex
 244   :type 'boolean)
 245
 246 (defcustom org-export-latex-packages-alist nil
 247   "Alist of packages to be inserted in the header.
 248 Each cell is of the forma \( \"option\" . \"package\" \)."
 249   :group 'org-export-latex
 250   :type 'alist)
 251
 252 (defcustom org-export-latex-low-levels 'itemize
 253   "How to convert sections below the current level of sectioning.
 254 This is specified by the `org-export-headline-levels' option or the
 255 value of \"H:\" in Org's #+OPTION line.
 256
 257 This can be either nil (skip the sections), `description', `itemize',
 258 or `enumerate' (convert the sections as the corresponding list type), or
 259 a string to be used instead of \\section{%s}.  In this latter case,
 260 the %s stands here for the inserted headline and is mandatory.
 261
 262 It may also be a list of three string to define a user-defined environment
 263 that should be used.  The first string should be the like
 264 \"\\begin{itemize}\", the second should be like \"\\item %s %s\" with up
 265 to two occurrences of %s for the title and a lable, respectively.  The third
 266 string should be like \"\\end{itemize\"."
 267   :group 'org-export-latex
 268   :type '(choice (const :tag "Ignore" nil)
 269                  (const :tag "Convert as descriptive list" description)
 270                  (const :tag "Convert as itemized list" itemize)
 271                  (const :tag "Convert as enumerated list" enumerate)
 272                  (list  :tag "User-defined environment"
 273                         :value ("\\begin{itemize}" "\\end{itemize}" "\\item %s")
 274                         (string :tag "Start")
 275                         (string :tag "End")
 276                         (string :tag "item"))
 277                  (string :tag "Use a section string" :value "\\subparagraph{%s}")))
 278
 279 (defcustom org-export-latex-list-parameters
 280   '(:cbon "\\texttt{[X]}" :cboff "\\texttt{[ ]}")
 281   "Parameters for the LaTeX list exporter.
 282 These parameters will be passed on to `org-list-to-latex', which in turn
 283 will pass them (combined with the LaTeX default list parameters) to
 284 `org-list-to-generic'."
 285   :group 'org-export-latex
 286   :type 'plist)
 287
 288 (defcustom org-export-latex-verbatim-wrap
 289   '("\\begin{verbatim}\n" . "\\end{verbatim}\n")
 290   "Environment to be wrapped around a fixed-width section in LaTeX export.
 291 This is a cons with two strings, to be added before and after the
 292 fixed-with text.
 293
 294 Defaults to \\begin{verbatim} and \\end{verbatim}."
 295   :group 'org-export-translation
 296   :group 'org-export-latex
 297   :type '(cons (string :tag "Open")
 298                (string :tag "Close")))
 299
 300 (defcustom org-export-latex-remove-from-headlines
 301   '(:todo nil :priority nil :tags nil)
 302   "A plist of keywords to remove from headlines. OBSOLETE.
 303 Non-nil means remove this keyword type from the headline.
 304
 305 Don't remove the keys, just change their values.
 306
 307 Obsolete, this variable is no longer used.  Use the separate
 308 variables `org-export-with-todo-keywords', `org-export-with-priority',
 309 and `org-export-with-tags' instead."
 310   :type 'plist
 311   :group 'org-export-latex)
 312
 313 (defcustom org-export-latex-image-default-option "width=10em"
 314   "Default option for images."
 315   :group 'org-export-latex
 316   :type 'string)
 317
 318 (defcustom org-export-latex-inline-image-extensions
 319   '("pdf" "jpeg" "jpg" "png" "ps" "eps")
 320   "Extensions of image files that can be inlined into LaTeX.
 321 Note that the image extension *actually* allowed depend on the way the
 322 LaTeX file is processed.  When used with pdflatex, pdf, jpg and png images
 323 are OK.  When processing through dvi to Postscript, only ps and eps are
 324 allowed.  The default we use here encompasses both."
 325   :group 'org-export-latex
 326   :type '(repeat (string :tag "Extension")))
 327
 328 (defcustom org-export-latex-coding-system nil
 329   "Coding system for the exported LaTex file."
 330   :group 'org-export-latex
 331   :type 'coding-system)
 332
 333 (defgroup org-export-pdf nil
 334   "Options for exporting Org-mode files to PDF, via LaTeX."
 335   :tag "Org Export LaTeX"
 336   :group 'org-export-latex
 337   :group 'org-export)
 338
 339 (defcustom org-latex-to-pdf-process
 340   '("pdflatex -interaction nonstopmode %s"
 341     "pdflatex -interaction nonstopmode %s")
 342   "Commands to process a LaTeX file to a PDF file.
 343 This is a list of strings, each of them will be given to the shell
 344 as a command.  %s in the command will be replaced by the full file name, %b
 345 by the file base name (i.e. without extension).
 346 The reason why this is a list is that it usually takes several runs of
 347 pdflatex, maybe mixed with a call to bibtex.  Org does not have a clever
 348 mechanism to detect whihc of these commands have to be run to get to a stable
 349 result, and it also does not do any error checking.
 350
 351 Alternatively, this may be a Lisp function that does the processing, so you
 352 could use this to apply the machinery of AUCTeX or the Emacs LaTeX mode.
 353 THis function should accept the file name as its single argument."
 354   :group 'org-export-latex
 355   :type '(choice (repeat :tag "Shell command sequence"
 356                   (string :tag "Shell command"))
 357                  (function)))
 358
 359 (defcustom org-export-pdf-remove-logfiles t
 360   "Non-nil means, remove the logfiles produced by PDF production.
 361 These are the .aux, .log, .out, and .toc files."
 362   :group 'org-export-pdf
 363   :type 'boolean)
 364
 365 ;;; Hooks
 366
 367 (defvar org-export-latex-after-blockquotes-hook nil
 368   "Hook run during LaTeX export, after blockquote, verse, center are done.")
 369
 370 ;;; Autoload functions:
 371
 372 ;;;###autoload
 373 (defun org-export-as-latex-batch ()
 374   "Call `org-export-as-latex', may be used in batch processing.
 375 For example:
 376
 377 emacs   --batch
 378         --load=$HOME/lib/emacs/org.el
 379         --eval \"(setq org-export-headline-levels 2)\"
 380         --visit=MyFile --funcall org-export-as-latex-batch"
 381   (org-export-as-latex org-export-headline-levels 'hidden))
 382
 383 ;;;###autoload
 384 (defun org-export-as-latex-to-buffer (arg)
 385   "Call `org-export-as-latex` with output to a temporary buffer.
 386 No file is created.  The prefix ARG is passed through to `org-export-as-latex'."
 387   (interactive "P")
 388   (org-export-as-latex arg nil nil "*Org LaTeX Export*")
 389   (when org-export-show-temporary-export-buffer
 390     (switch-to-buffer-other-window "*Org LaTeX Export*")))
 391
 392 ;;;###autoload
 393 (defun org-replace-region-by-latex (beg end)
 394   "Replace the region from BEG to END with its LaTeX export.
 395 It assumes the region has `org-mode' syntax, and then convert it to
 396 LaTeX.  This can be used in any buffer.  For example, you could
 397 write an itemized list in `org-mode' syntax in an LaTeX buffer and
 398 then use this command to convert it."
 399   (interactive "r")
 400   (let (reg latex buf)
 401     (save-window-excursion
 402       (if (org-mode-p)
 403           (setq latex (org-export-region-as-latex
 404                        beg end t 'string))
 405         (setq reg (buffer-substring beg end)
 406               buf (get-buffer-create "*Org tmp*"))
 407         (save-excursion
 408           (set-buffer buf)
 409           (erase-buffer)
 410           (insert reg)
 411           (org-mode)
 412           (setq latex (org-export-region-as-latex
 413                        (point-min) (point-max) t 'string)))
 414         (kill-buffer buf)))
 415     (delete-region beg end)
 416     (insert latex)))
 417
 418 ;;;###autoload
 419 (defun org-export-region-as-latex (beg end &optional body-only buffer)
 420   "Convert region from BEG to END in `org-mode' buffer to LaTeX.
 421 If prefix arg BODY-ONLY is set, omit file header, footer, and table of
 422 contents, and only produce the region of converted text, useful for
 423 cut-and-paste operations.
 424 If BUFFER is a buffer or a string, use/create that buffer as a target
 425 of the converted LaTeX.  If BUFFER is the symbol `string', return the
 426 produced LaTeX as a string and leave no buffer behind.  For example,
 427 a Lisp program could call this function in the following way:
 428
 429   (setq latex (org-export-region-as-latex beg end t 'string))
 430
 431 When called interactively, the output buffer is selected, and shown
 432 in a window.  A non-interactive call will only return the buffer."
 433   (interactive "r\nP")
 434   (when (interactive-p)
 435     (setq buffer "*Org LaTeX Export*"))
 436   (let ((transient-mark-mode t) (zmacs-regions t)
 437         ext-plist rtn)
 438     (setq ext-plist (plist-put ext-plist :ignore-subree-p t))
 439     (goto-char end)
 440     (set-mark (point)) ;; to activate the region
 441     (goto-char beg)
 442     (setq rtn (org-export-as-latex
 443                nil nil ext-plist
 444                buffer body-only))
 445     (if (fboundp 'deactivate-mark) (deactivate-mark))
 446     (if (and (interactive-p) (bufferp rtn))
 447         (switch-to-buffer-other-window rtn)
 448       rtn)))
 449
 450 ;;;###autoload
 451 (defun org-export-as-latex (arg &optional hidden ext-plist
 452                                 to-buffer body-only pub-dir)
 453   "Export current buffer to a LaTeX file.
 454 If there is an active region, export only the region.  The prefix
 455 ARG specifies how many levels of the outline should become
 456 headlines.  The default is 3.  Lower levels will be exported
 457 depending on `org-export-latex-low-levels'.  The default is to
 458 convert them as description lists.
 459 HIDDEN is obsolete and does nothing.
 460 EXT-PLIST is a property list with
 461 external parameters overriding org-mode's default settings, but
 462 still inferior to file-local settings.  When TO-BUFFER is
 463 non-nil, create a buffer with that name and export to that
 464 buffer.  If TO-BUFFER is the symbol `string', don't leave any
 465 buffer behind but just return the resulting LaTeX as a string.
 466 When BODY-ONLY is set, don't produce the file header and footer,
 467 simply return the content of \begin{document}...\end{document},
 468 without even the \begin{document} and \end{document} commands.
 469 when PUB-DIR is set, use this as the publishing directory."
 470   (interactive "P")
 471   ;; Make sure we have a file name when we need it.
 472   (when (and (not (or to-buffer body-only))
 473              (not buffer-file-name))
 474     (if (buffer-base-buffer)
 475         (org-set-local 'buffer-file-name
 476                        (with-current-buffer (buffer-base-buffer)
 477                          buffer-file-name))
 478       (error "Need a file name to be able to export")))
 479
 480   (message "Exporting to LaTeX...")
 481   (org-unmodified
 482    (remove-text-properties (point-min) (point-max)
 483                            '(:org-license-to-kill nil)))
 484   (org-update-radio-target-regexp)
 485   (org-export-latex-set-initial-vars ext-plist arg)
 486   (let* ((wcf (current-window-configuration))
 487          (opt-plist org-export-latex-options-plist)
 488          (region-p (org-region-active-p))
 489          (rbeg (and region-p (region-beginning)))
 490          (rend (and region-p (region-end)))
 491          (subtree-p
 492           (if (plist-get opt-plist :ignore-subree-p)
 493               nil
 494             (when region-p
 495               (save-excursion
 496                 (goto-char rbeg)
 497                 (and (org-at-heading-p)
 498                      (>= (org-end-of-subtree t t) rend))))))
 499          (opt-plist (setq org-export-opt-plist
 500                           (if subtree-p
 501                               (org-export-add-subtree-options opt-plist rbeg)
 502                             opt-plist)))
 503          ;; Make sure the variable contains the updated values.
 504          (org-export-latex-options-plist opt-plist)
 505          (title (or (and subtree-p (org-export-get-title-from-subtree))
 506                     (plist-get opt-plist :title)
 507                     (and (not
 508                           (plist-get opt-plist :skip-before-1st-heading))
 509                          (org-export-grab-title-from-buffer))
 510                     (file-name-sans-extension
 511                      (file-name-nondirectory buffer-file-name))))
 512          (filename (concat (file-name-as-directory
 513                             (or pub-dir
 514                                 (org-export-directory :LaTeX ext-plist)))
 515                            (file-name-sans-extension
 516                             (or (and subtree-p
 517                                      (org-entry-get rbeg "EXPORT_FILE_NAME" t))
 518                                 (file-name-nondirectory ;sans-extension
 519                                  buffer-file-name)))
 520                            ".tex"))
 521          (filename (if (equal (file-truename filename)
 522                               (file-truename buffer-file-name))
 523                        (concat filename ".tex")
 524                      filename))
 525          (buffer (if to-buffer
 526                      (cond
 527                       ((eq to-buffer 'string) (get-buffer-create
 528                                                "*Org LaTeX Export*"))
 529                       (t (get-buffer-create to-buffer)))
 530                    (find-file-noselect filename)))
 531          (odd org-odd-levels-only)
 532          (header (org-export-latex-make-header title opt-plist))
 533          (skip (cond (subtree-p nil)
 534                      (region-p nil)
 535                      (t (plist-get opt-plist :skip-before-1st-heading))))
 536          (text (plist-get opt-plist :text))
 537          (org-export-preprocess-hook
 538           (cons
 539            `(lambda () (org-set-local 'org-complex-heading-regexp
 540                                       ,org-export-latex-complex-heading-re))
 541            org-export-preprocess-hook))
 542          (first-lines (if skip "" (org-export-latex-first-lines
 543                                    opt-plist
 544                                    (if subtree-p
 545                                        (save-excursion
 546                                          (goto-char rbeg)
 547                                          (point-at-bol 2))
 548                                      rbeg)
 549                                    (if region-p rend))))
 550          (coding-system (and (boundp 'buffer-file-coding-system)
 551                              buffer-file-coding-system))
 552          (coding-system-for-write (or org-export-latex-coding-system
 553                                       coding-system))
 554          (save-buffer-coding-system (or org-export-latex-coding-system
 555                                         coding-system))
 556          (region (buffer-substring
 557                   (if region-p (region-beginning) (point-min))
 558                   (if region-p (region-end) (point-max))))
 559          (string-for-export
 560           (org-export-preprocess-string
 561            region
 562            :emph-multiline t
 563            :for-LaTeX t
 564            :comments nil
 565            :tags (plist-get opt-plist :tags)
 566            :priority (plist-get opt-plist :priority)
 567            :footnotes (plist-get opt-plist :footnotes)
 568            :timestamps (plist-get opt-plist :timestamps)
 569            :todo-keywords (plist-get opt-plist :todo-keywords)
 570            :add-text (if (eq to-buffer 'string) nil text)
 571            :skip-before-1st-heading skip
 572            :select-tags (plist-get opt-plist :select-tags)
 573            :exclude-tags (plist-get opt-plist :exclude-tags)
 574            :LaTeX-fragments nil)))
 575
 576     (set-buffer buffer)
 577     (erase-buffer)
 578     (org-install-letbind)
 579
 580     (and (fboundp 'set-buffer-file-coding-system)
 581          (set-buffer-file-coding-system coding-system-for-write))
 582
 583     ;; insert the header and initial document commands
 584     (unless (or (eq to-buffer 'string) body-only)
 585       (insert header))
 586
 587     ;; insert text found in #+TEXT
 588     (when (and text (not (eq to-buffer 'string)))
 589       (insert (org-export-latex-content
 590                text '(lists tables fixed-width keywords))
 591                "\n\n"))
 592
 593     ;; insert lines before the first headline
 594     (unless skip
 595       (insert first-lines))
 596
 597     ;; export the content of headlines
 598     (org-export-latex-global
 599      (with-temp-buffer
 600        (insert string-for-export)
 601        (goto-char (point-min))
 602        (when (re-search-forward "^\\(\\*+\\) " nil t)
 603          (let* ((asters (length (match-string 1)))
 604                 (level (if odd (- asters 2) (- asters 1))))
 605            (setq org-export-latex-add-level
 606                  (if odd (1- (/ (1+ asters) 2)) (1- asters)))
 607            (org-export-latex-parse-global level odd)))))
 608
 609     ;; finalization
 610     (unless body-only (insert "\n\\end{document}"))
 611
 612     ;; Relocate the table of contents
 613     (goto-char (point-min))
 614     (when (re-search-forward "\\[TABLE-OF-CONTENTS\\]" nil t)
 615       (goto-char (point-min))
 616       (while (re-search-forward "\\\\tableofcontents\\>[ \t]*\n?" nil t)
 617         (replace-match ""))
 618       (goto-char (point-min))
 619       (and (re-search-forward "\\[TABLE-OF-CONTENTS\\]" nil t)
 620            (replace-match "\\tableofcontents" t t)))
 621
 622     (or to-buffer (save-buffer))
 623     (goto-char (point-min))
 624     (or (org-export-push-to-kill-ring "LaTeX")
 625         (message "Exporting to LaTeX...done"))
 626     (prog1
 627         (if (eq to-buffer 'string)
 628             (prog1 (buffer-substring (point-min) (point-max))
 629               (kill-buffer (current-buffer)))
 630           (current-buffer))
 631       (set-window-configuration wcf))))
 632
 633 ;;;###autoload
 634 (defun org-export-as-pdf (arg &optional hidden ext-plist
 635                               to-buffer body-only pub-dir)
 636   "Export as LaTeX, then process through to PDF."
 637   (interactive "P")
 638   (message "Exporting to PDF...")
 639   (let* ((wconfig (current-window-configuration))
 640          (lbuf (org-export-as-latex arg hidden ext-plist
 641                                     to-buffer body-only pub-dir))
 642          (file (buffer-file-name lbuf))
 643          (base (file-name-sans-extension (buffer-file-name lbuf)))
 644          (pdffile (concat base ".pdf"))
 645          (cmds org-latex-to-pdf-process)
 646          (outbuf (get-buffer-create "*Org PDF LaTeX Output*"))
 647          (bibtex-p (with-current-buffer lbuf
 648                      (save-excursion
 649                        (goto-char (point-min))
 650                        (re-search-forward "\\\\bibliography{" nil t))))
 651          cmd)
 652     (with-current-buffer outbuf (erase-buffer))
 653     (and (file-exists-p pdffile) (delete-file pdffile))
 654     (message "Processing LaTeX file...")
 655     (if (and cmds (symbolp cmds))
 656         (funcall cmds file)
 657       (while cmds
 658         (setq cmd (pop cmds))
 659         (while (string-match "%b" cmd)
 660           (setq cmd (replace-match
 661                      (save-match-data
 662                        (shell-quote-argument base))
 663                      t t cmd)))
 664         (while (string-match "%s" cmd)
 665           (setq cmd (replace-match
 666                      (save-match-data
 667                        (shell-quote-argument file))
 668                      t t cmd)))
 669         (shell-command cmd outbuf outbuf)))
 670     (message "Processing LaTeX file...done")
 671     (if (not (file-exists-p pdffile))
 672         (error "PDF file was not produced")
 673       (set-window-configuration wconfig)
 674       (when org-export-pdf-remove-logfiles
 675         (dolist (ext '("aux" "log" "out" "toc"))
 676           (setq file (concat base "." ext))
 677           (and (file-exists-p file) (delete-file file))))
 678       (message "Exporting to PDF...done")
 679       pdffile)))
 680
 681 ;;;###autoload
 682 (defun org-export-as-pdf-and-open (arg)
 683   "Export as LaTeX, then process through to PDF, and open."
 684   (interactive "P")
 685   (let ((pdffile (org-export-as-pdf arg)))
 686     (if pdffile
 687         (org-open-file pdffile)
 688       (error "PDF file was not produced"))))
 689
 690 ;;; Parsing functions:
 691
 692 (defun org-export-latex-parse-global (level odd)
 693   "Parse the current buffer recursively, starting at LEVEL.
 694 If ODD is non-nil, assume the buffer only contains odd sections.
 695 Return a list reflecting the document structure."
 696   (save-excursion
 697     (goto-char (point-min))
 698     (let* ((cnt 0) output
 699            (depth org-export-latex-sectioning-depth))
 700       (while (re-search-forward
 701               (concat "^\\(\\(?:\\*\\)\\{"
 702                       (number-to-string (+ (if odd 2 1) level))
 703                       "\\}\\) \\(.*\\)$")
 704               ;; make sure that there is no upper heading
 705               (when (> level 0)
 706                 (save-excursion
 707                   (save-match-data
 708                     (re-search-forward
 709                      (concat "^\\(\\(?:\\*\\)\\{"
 710                              (number-to-string level)
 711                              "\\}\\) \\(.*\\)$") nil t)))) t)
 712         (setq cnt (1+ cnt))
 713         (let* ((pos (match-beginning 0))
 714                (heading (match-string 2))
 715                (nlevel (if odd (/ (+ 3 level) 2) (1+ level))))
 716           (save-excursion
 717             (narrow-to-region
 718              (point)
 719              (save-match-data
 720                (if (re-search-forward
 721                     (concat "^\\(\\(?:\\*\\)\\{"
 722                             (number-to-string (+ (if odd 2 1) level))
 723                             "\\}\\) \\(.*\\)$") nil t)
 724                    (match-beginning 0)
 725                  (point-max))))
 726             (goto-char (point-min))
 727             (setq output
 728                   (append output
 729                           (list
 730                            (list
 731                             `(pos . ,pos)
 732                             `(level . ,nlevel)
 733                             `(occur . ,cnt)
 734                             `(heading . ,heading)
 735                             `(content . ,(org-export-latex-parse-content))
 736                             `(subcontent . ,(org-export-latex-parse-subcontent
 737                                              level odd)))))))
 738           (widen)))
 739       (list output))))
 740
 741 (defun org-export-latex-parse-content ()
 742   "Extract the content of a section."
 743   (let ((beg (point))
 744         (end (if (re-search-forward "^\\(\\*\\)+ .*$" nil t)
 745                  (progn (beginning-of-line) (point))
 746                (point-max))))
 747     (buffer-substring beg end)))
 748
 749 (defun org-export-latex-parse-subcontent (level odd)
 750   "Extract the subcontent of a section at LEVEL.
 751 If ODD Is non-nil, assume subcontent only contains odd sections."
 752   (if (not (re-search-forward
 753             (concat "^\\(\\(?:\\*\\)\\{"
 754                     (number-to-string (+ (if odd 4 2) level))
 755                     "\\}\\) \\(.*\\)$")
 756             nil t))
 757       nil ; subcontent is nil
 758     (org-export-latex-parse-global (+ (if odd 2 1) level) odd)))
 759
 760 ;;; Rendering functions:
 761 (defun org-export-latex-global (content)
 762   "Export CONTENT to LaTeX.
 763 CONTENT is an element of the list produced by
 764 `org-export-latex-parse-global'."
 765   (if (eq (car content) 'subcontent)
 766       (mapc 'org-export-latex-sub (cdr content))
 767     (org-export-latex-sub (car content))))
 768
 769 (defun org-export-latex-sub (subcontent)
 770   "Export the list SUBCONTENT to LaTeX.
 771 SUBCONTENT is an alist containing information about the headline
 772 and its content."
 773   (let ((num (plist-get org-export-latex-options-plist :section-numbers)))
 774     (mapc (lambda(x) (org-export-latex-subcontent x num)) subcontent)))
 775
 776 (defun org-export-latex-subcontent (subcontent num)
 777   "Export each cell of SUBCONTENT to LaTeX.
 778 If NUM, export sections as numerical sections."
 779   (let* ((heading (org-export-latex-fontify-headline
 780                    (cdr (assoc 'heading subcontent))))
 781          (level (- (cdr (assoc 'level subcontent))
 782                    org-export-latex-add-level))
 783          (occur (number-to-string (cdr (assoc 'occur subcontent))))
 784          (content (cdr (assoc 'content subcontent)))
 785          (subcontent (cadr (assoc 'subcontent subcontent)))
 786          (label (org-get-text-property-any 0 'target heading))
 787          (label-list (cons label (cdr (assoc label
 788                                              org-export-target-aliases)))))
 789     (cond
 790      ;; Normal conversion
 791      ((<= level org-export-latex-sectioning-depth)
 792       (let* ((sec (nth (1- level) org-export-latex-sectioning))
 793              start end)
 794         (if (consp (cdr sec))
 795             (setq start (nth (if num 0 2) sec)
 796                   end (nth (if num 1 3) sec))
 797           (setq start (if num (car sec) (cdr sec))))
 798         (insert (format start heading) "\n")
 799         (when label
 800           (insert (mapconcat (lambda (l) (format "\\label{%s}" l))
 801                              label-list "\n") "\n"))
 802         (insert (org-export-latex-content content))
 803         (cond ((stringp subcontent) (insert subcontent))
 804               ((listp subcontent) (org-export-latex-sub subcontent)))
 805         (if end (insert end "\n"))))
 806      ;; At a level under the hl option: we can drop this subsection
 807      ((> level org-export-latex-sectioning-depth)
 808       (cond ((eq org-export-latex-low-levels 'description)
 809              (if (string-match "% ends low level$"
 810                                (buffer-substring (point-at-bol 0) (point)))
 811                  (delete-region (point-at-bol 0) (point))
 812                (insert "\\begin{description}\n"))
 813              (insert (format "\n\\item[%s]%s~\n\n"
 814                              heading
 815                              (if label (format "\\label{%s}" label) "")))
 816              (insert (org-export-latex-content content))
 817              (cond ((stringp subcontent) (insert subcontent))
 818                    ((listp subcontent) (org-export-latex-sub subcontent)))
 819              (insert "\\end{description} % ends low level\n"))
 820             ((memq org-export-latex-low-levels '(itemize enumerate))
 821              (if (string-match "% ends low level$"
 822                                (buffer-substring (point-at-bol 0) (point)))
 823                  (delete-region (point-at-bol 0) (point))
 824                (insert (format "\\begin{%s}\n"
 825                                (symbol-name org-export-latex-low-levels))))
 826              (insert (format "\n\\item %s\\\\\n%s\n"
 827                              heading
 828                              (if label (format "\\label{%s}" label) "")))
 829              (insert (org-export-latex-content content))
 830              (cond ((stringp subcontent) (insert subcontent))
 831                    ((listp subcontent) (org-export-latex-sub subcontent)))
 832              (insert (format "\\end{%s} %% ends low level\n"
 833                              (symbol-name org-export-latex-low-levels))))
 834
 835             ((listp org-export-latex-low-levels)
 836              (if (string-match "% ends low level$"
 837                                (buffer-substring (point-at-bol 0) (point)))
 838                  (delete-region (point-at-bol 0) (point))
 839                (insert (car org-export-latex-low-levels) "\n"))
 840              (insert (format (nth 2 org-export-latex-low-levels)
 841                              heading
 842                              (if label (format "\\label{%s}" label) "")))
 843              (insert (org-export-latex-content content))
 844              (cond ((stringp subcontent) (insert subcontent))
 845                    ((listp subcontent) (org-export-latex-sub subcontent)))
 846              (insert (nth 1 org-export-latex-low-levels)
 847                      " %% ends low level\n"))
 848
 849             ((stringp org-export-latex-low-levels)
 850              (insert (format org-export-latex-low-levels heading) "\n")
 851              (when label (insert (format "\\label{%s}\n" label)))
 852              (insert (org-export-latex-content content))
 853              (cond ((stringp subcontent) (insert subcontent))
 854                    ((listp subcontent) (org-export-latex-sub subcontent)))))))))
 855
 856 ;;; Exporting internals:
 857 (defun org-export-latex-set-initial-vars (ext-plist level)
 858   "Store org local variables required for LaTeX export.
 859 EXT-PLIST is an optional additional plist.
 860 LEVEL indicates the default depth for export."
 861   (setq org-export-latex-todo-keywords-1 org-todo-keywords-1
 862         org-export-latex-done-keywords org-done-keywords
 863         org-export-latex-not-done-keywords org-not-done-keywords
 864         org-export-latex-complex-heading-re org-complex-heading-regexp
 865         org-export-latex-display-custom-times org-display-custom-times
 866         org-export-latex-all-targets-re
 867         (org-make-target-link-regexp (org-all-targets))
 868         org-export-latex-options-plist
 869         (org-combine-plists (org-default-export-plist) ext-plist
 870                             (org-infile-export-plist))
 871         org-export-latex-class
 872         (or (and (org-region-active-p)
 873                  (save-excursion
 874                    (goto-char (region-beginning))
 875                    (and (looking-at org-complex-heading-regexp)
 876                         (org-entry-get nil "LaTeX_CLASS" 'selective))))
 877             (save-excursion
 878               (save-restriction
 879                 (widen)
 880                 (goto-char (point-min))
 881                 (and (re-search-forward "^#\\+LaTeX_CLASS:[ \t]*\\([a-zA-Z]+\\)" nil t)
 882                      (match-string 1))))
 883             org-export-latex-default-class)
 884         org-export-latex-class
 885         (or (car (assoc org-export-latex-class org-export-latex-classes))
 886             (error "No definition for class `%s' in `org-export-latex-classes'"
 887                    org-export-latex-class))
 888         org-export-latex-header
 889         (cadr (assoc org-export-latex-class org-export-latex-classes))
 890         org-export-latex-sectioning
 891         (cddr (assoc org-export-latex-class org-export-latex-classes))
 892         org-export-latex-sectioning-depth
 893         (or level
 894             (let ((hl-levels
 895                    (plist-get org-export-latex-options-plist :headline-levels))
 896                   (sec-depth (length org-export-latex-sectioning)))
 897               (if (> hl-levels sec-depth) sec-depth hl-levels)))))
 898
 899 (defun org-export-latex-make-header (title opt-plist)
 900   "Make the LaTeX header and return it as a string.
 901 TITLE is the current title from the buffer or region.
 902 OPT-PLIST is the options plist for current buffer."
 903   (let ((toc (plist-get opt-plist :table-of-contents))
 904         (author (plist-get opt-plist :author)))
 905     (concat
 906      (if (plist-get opt-plist :time-stamp-file)
 907          (format-time-string "%% Created %Y-%m-%d %a %H:%M\n"))
 908      ;; insert LaTeX custom header
 909      (org-export-apply-macros-in-string org-export-latex-header)
 910      "\n"
 911      ;; insert information on LaTeX packages
 912      (when org-export-latex-packages-alist
 913        (mapconcat (lambda(p)
 914                     (if (equal "" (car p))
 915                         (format "\\usepackage{%s}" (cadr p))
 916                       (format "\\usepackage[%s]{%s}"
 917                               (car p) (cadr p))))
 918                   org-export-latex-packages-alist "\n"))
 919      ;; insert additional commands in the header
 920      (org-export-apply-macros-in-string
 921       (plist-get opt-plist :latex-header-extra))
 922      (org-export-apply-macros-in-string org-export-latex-append-header)
 923      ;; insert the title
 924      (format
 925       "\n\n\\title{%s}\n"
 926       ;; convert the title
 927       (org-export-latex-content
 928        title '(lists tables fixed-width keywords)))
 929      ;; insert author info
 930      (if (plist-get opt-plist :author-info)
 931          (format "\\author{%s}\n"
 932                  (org-export-latex-fontify-headline (or author user-full-name)));????????????????????
 933        (format "%%\\author{%s}\n"
 934                (or author user-full-name)))
 935      ;; insert the date
 936      (format "\\date{%s}\n"
 937              (format-time-string
 938               (or (plist-get opt-plist :date)
 939                   org-export-latex-date-format)))
 940      ;; beginning of the document
 941      "\n\\begin{document}\n\n"
 942      ;; insert the title command
 943      (when (string-match "\\S-" title)
 944        (if (string-match "%s" org-export-latex-title-command)
 945            (format org-export-latex-title-command title)
 946          org-export-latex-title-command))
 947      "\n\n"
 948      ;; table of contents
 949      (when (and org-export-with-toc
 950                 (plist-get opt-plist :section-numbers))
 951        (cond ((numberp toc)
 952               (format "\\setcounter{tocdepth}{%s}\n\\tableofcontents\n\\vspace*{1cm}\n"
 953                       (min toc (plist-get opt-plist :headline-levels))))
 954              (toc (format "\\setcounter{tocdepth}{%s}\n\\tableofcontents\n\\vspace*{1cm}\n"
 955                           (plist-get opt-plist :headline-levels))))))))
 956
 957 (defun org-export-latex-first-lines (opt-plist &optional beg end)
 958   "Export the first lines before first headline.
 959 If BEG is non-nil, it is the beginning of the region.
 960 If END is non-nil, it is the end of the region."
 961   (save-excursion
 962     (goto-char (or beg (point-min)))
 963     (let* ((pt (point))
 964            (end (if (re-search-forward "^\\*+ " end t)
 965                     (goto-char (match-beginning 0))
 966                   (goto-char end))))
 967       (prog1
 968           (org-export-latex-content
 969            (org-export-preprocess-string
 970             (buffer-substring pt end)
 971             :for-LaTeX t
 972             :emph-multiline t
 973             :add-text nil
 974             :comments nil
 975             :skip-before-1st-heading nil
 976             :LaTeX-fragments nil
 977             :timestamps (plist-get opt-plist :timestamps)
 978             :footnotes (plist-get opt-plist :footnotes)))
 979         (org-unmodified
 980          (add-text-properties pt (max pt (1- end))
 981                               '(:org-license-to-kill t)))))))
 982
 983 (defvar org-export-latex-header-defs nil
 984   "The header definitions that might be used in the LaTeX body.")
 985 (defvar org-export-latex-header-defs-re nil
 986   "The header definitions that might be used in the LaTeX body.")
 987
 988 (defun org-export-latex-content (content &optional exclude-list)
 989   "Convert CONTENT string to LaTeX.
 990 Don't perform conversions that are in EXCLUDE-LIST.  Recognized
 991 conversion types are: quotation-marks, emphasis, sub-superscript,
 992 links, keywords, lists, tables, fixed-width"
 993   (with-temp-buffer
 994    (insert content)
 995    (unless (memq 'timestamps exclude-list)
 996      (org-export-latex-time-stamps))
 997    (unless (memq 'quotation-marks exclude-list)
 998      (org-export-latex-quotation-marks))
 999    (unless (memq 'emphasis exclude-list)
1000      (when (plist-get org-export-latex-options-plist :emphasize)
1001        (org-export-latex-fontify)))
1002    (unless (memq 'sub-superscript exclude-list)
1003      (org-export-latex-special-chars
1004       (plist-get org-export-latex-options-plist :sub-superscript)))
1005    (unless (memq 'links exclude-list)
1006      (org-export-latex-links))
1007    (unless (memq 'keywords exclude-list)
1008      (org-export-latex-keywords))
1009    (unless (memq 'lists exclude-list)
1010      (org-export-latex-lists))
1011    (unless (memq 'tables exclude-list)
1012      (org-export-latex-tables
1013       (plist-get org-export-latex-options-plist :tables)))
1014    (unless (memq 'fixed-width exclude-list)
1015      (org-export-latex-fixed-width
1016       (plist-get org-export-latex-options-plist :fixed-width)))
1017    ;; return string
1018    (buffer-substring (point-min) (point-max))))
1019
1020 (defun org-export-latex-protect-string (s)
1021   "Add the org-protected property to string S."
1022   (add-text-properties 0 (length s) '(org-protected t) s) s)
1023
1024 (defun org-export-latex-protect-char-in-string (char-list string)
1025   "Add org-protected text-property to char from CHAR-LIST in STRING."
1026   (with-temp-buffer
1027     (save-match-data
1028       (insert string)
1029       (goto-char (point-min))
1030       (while (re-search-forward (regexp-opt char-list) nil t)
1031         (add-text-properties (match-beginning 0)
1032                              (match-end 0) '(org-protected t)))
1033       (buffer-string))))
1034
1035 (defun org-export-latex-keywords-maybe (&optional remove-list)
1036   "Maybe remove keywords depending on rules in REMOVE-LIST."
1037   (goto-char (point-min))
1038   (let ((re-todo (mapconcat 'identity org-export-latex-todo-keywords-1 "\\|"))
1039         (case-fold-search nil)
1040         (todo-markup org-export-latex-todo-keyword-markup)
1041         fmt)
1042     ;; convert TODO keywords
1043     (when (re-search-forward (concat "^\\(" re-todo "\\)") nil t)
1044       (if (plist-get remove-list :todo)
1045           (replace-match "")
1046         (setq fmt (cond
1047                    ((stringp todo-markup) todo-markup)
1048                    ((and (consp todo-markup) (stringp (car todo-markup)))
1049                     (if (member (match-string 1) org-export-latex-done-keywords)
1050                         (cdr todo-markup) (car todo-markup)))
1051                    (t (cdr (or (assoc (match-string 1) todo-markup)
1052                                (car todo-markup))))))
1053         (replace-match (format fmt (match-string 1)) t t)))
1054     ;; convert priority string
1055     (when (re-search-forward "\\[\\\\#.\\]" nil t)
1056       (if (plist-get remove-list :priority)
1057           (replace-match "")
1058         (replace-match (format "\\textbf{%s}" (match-string 0)) t t)))
1059     ;; convert tags
1060     (when (re-search-forward "\\(:[a-zA-Z0-9_@]+\\)+:" nil t)
1061       (if (or (not org-export-with-tags)
1062               (plist-get remove-list :tags))
1063           (replace-match "")
1064         (replace-match
1065          (org-export-latex-protect-string
1066           (format "\\textbf{%s}"
1067                   (save-match-data
1068                     (replace-regexp-in-string
1069                      "_" "\\\\_" (match-string 0)))))
1070          t t)))))
1071
1072 (defun org-export-latex-fontify-headline (string)
1073   "Fontify special words in STRING."
1074   (with-temp-buffer
1075     ;; FIXME: org-inside-LaTeX-fragment-p doesn't work when the $...$ is at
1076     ;; the beginning of the buffer - inserting "\n" is safe here though.
1077     (insert "\n" string)
1078     (goto-char (point-min))
1079     (when (plist-get org-export-latex-options-plist :emphasize)
1080       (org-export-latex-fontify))
1081     (org-export-latex-keywords-maybe)
1082     (org-export-latex-special-chars
1083      (plist-get org-export-latex-options-plist :sub-superscript))
1084     (org-export-latex-links)
1085     (org-trim (buffer-string))))
1086
1087 (defun org-export-latex-time-stamps ()
1088   "Format time stamps."
1089   (goto-char (point-min))
1090   (let ((org-display-custom-times org-export-latex-display-custom-times))
1091     (while (re-search-forward org-ts-regexp-both nil t)
1092       (org-if-unprotected-at (1- (point))
1093        (replace-match
1094         (org-export-latex-protect-string
1095          (format org-export-latex-timestamp-markup
1096                  (substring (org-translate-time (match-string 0)) 1 -1)))
1097         t t)))))
1098
1099 (defun org-export-latex-quotation-marks ()
1100   "Export quotation marks depending on language conventions."
1101   (let* ((lang (plist-get org-export-latex-options-plist :language))
1102          (quote-rpl (if (equal lang "fr")
1103                         '(("\\(\\s-\\)\"" "«~")
1104                           ("\\(\\S-\\)\"" "~»")
1105                           ("\\(\\s-\\)'" "`"))
1106                       '(("\\(\\s-\\|(\\)\"" "``")
1107                         ("\\(\\S-\\)\"" "''")
1108                         ("\\(\\s-\\|(\\)'" "`")))))
1109     (mapc (lambda(l) (goto-char (point-min))
1110             (while (re-search-forward (car l) nil t)
1111               (let ((rpl (concat (match-string 1) (cadr l))))
1112                 (org-export-latex-protect-string rpl)
1113                 (org-if-unprotected-1
1114                  (replace-match rpl t t))))) quote-rpl)))
1115
1116 (defun org-export-latex-special-chars (sub-superscript)
1117   "Export special characters to LaTeX.
1118 If SUB-SUPERSCRIPT is non-nil, convert \\ and ^.
1119 See the `org-export-latex.el' code for a complete conversion table."
1120   (goto-char (point-min))
1121   (mapc (lambda(c)
1122           (goto-char (point-min))
1123           (while (re-search-forward c nil t)
1124             ;; Put the point where to check for org-protected
1125             (unless (get-text-property (match-beginning 2) 'org-protected)
1126               (cond ((member (match-string 2) '("\\$" "$"))
1127                      (if (equal (match-string 2) "\\$")
1128                          nil
1129                        (replace-match "\\$" t t)))
1130                     ((member (match-string 2) '("&" "%" "#"))
1131                      (if (equal (match-string 1) "\\")
1132                          (replace-match (match-string 2) t t)
1133                        (replace-match (concat (match-string 1) "\\"
1134                                               (match-string 2)) t t)))
1135                     ((equal (match-string 2) "...")
1136                      (replace-match
1137                       (concat (match-string 1)
1138                               (org-export-latex-protect-string "\\ldots{}")) t t))
1139                     ((equal (match-string 2) "~")
1140                      (cond ((equal (match-string 1) "\\") nil)
1141                            ((eq 'org-link (get-text-property 0 'face (match-string 2)))
1142                             (replace-match (concat (match-string 1) "\\~") t t))
1143                            (t (replace-match
1144                                (org-export-latex-protect-string
1145                                 (concat (match-string 1) "\\~{}")) t t))))
1146                     ((member (match-string 2) '("{" "}"))
1147                      (unless (save-match-data (org-inside-latex-math-p))
1148                        (if (equal (match-string 1) "\\")
1149                            (replace-match (match-string 2) t t)
1150                          (replace-match (concat (match-string 1) "\\"
1151                                                 (match-string 2)) t t)))))
1152               (unless (save-match-data (org-inside-latex-math-p))
1153                 (cond ((equal (match-string 2) "\\")
1154                        (replace-match (or (save-match-data
1155                                             (org-export-latex-treat-backslash-char
1156                                              (match-string 1)
1157                                              (or (match-string 3) "")))
1158                                           "") t t))
1159                       ((member (match-string 2) '("_" "^"))
1160                        (replace-match (or (save-match-data
1161                                             (org-export-latex-treat-sub-super-char
1162                                              sub-superscript
1163                                              (match-string 2)
1164                                              (match-string 1)
1165                                              (match-string 3))) "") t t)
1166                        (backward-char 1)))))))
1167         '(;"^\\([^\n$]*?\\|^\\)\\(\\\\?\\$\\)\\([^\n$]*\\)$"
1168           "\\(\\(\\\\?\\$\\)\\)"
1169           "\\([a-za-z0-9]+\\|[ \t\n]\\|\\b\\|\\\\\\)\\(_\\|\\^\\)\\({[^{}]+}\\|[a-za-z0-9]+\\|[ \t\n]\\|[:punct:]\\|)\\|{[a-za-z0-9]+}\\|([a-za-z0-9]+)\\)"
1170           "\\(.\\|^\\)\\(\\\\\\)\\([ \t\n]\\|[a-zA-Z&#%{}\"]+\\)"
1171           "\\(.\\|^\\)\\(&\\)"
1172           "\\(.\\|^\\)\\(#\\)"
1173           "\\(.\\|^\\)\\(%\\)"
1174           "\\(.\\|^\\)\\({\\)"
1175           "\\(.\\|^\\)\\(}\\)"
1176           "\\(.\\|^\\)\\(~\\)"
1177           "\\(.\\|^\\)\\(\\.\\.\\.\\)"
1178           ;; (?\< . "\\textless{}")
1179           ;; (?\> . "\\textgreater{}")
1180           )))
1181
1182 (defun org-inside-latex-math-p ()
1183   (get-text-property (point) 'org-latex-math))
1184
1185 (defun org-export-latex-treat-sub-super-char
1186   (subsup char string-before string-after)
1187   "Convert the \"_\" and \"^\" characters to LaTeX.
1188 SUBSUP corresponds to the ^: option in the #+OPTIONS line.
1189 Convert CHAR depending on STRING-BEFORE and STRING-AFTER."
1190   (cond ((equal string-before "\\")
1191          (concat string-before char string-after))
1192         ;; this is part of a math formula
1193         ((and (string-match "\\S-+" string-before)
1194               (string-match "\\S-+" string-after))
1195          (cond ((eq 'org-link (get-text-property 0 'face char))
1196                 (concat string-before "\\" char string-after))
1197                ((save-match-data (org-inside-latex-math-p))
1198                 (if subsup
1199                     (cond ((eq 1 (length string-after))
1200                            (concat string-before char string-after))
1201                           ((string-match "[({]?\\([^)}]+\\)[)}]?" string-after)
1202                            (format "%s%s{%s}" string-before char
1203                                    (match-string 1 string-after))))))
1204                ((and (> (length string-after) 1)
1205                      (or (eq subsup t)
1206                          (and (equal subsup '{}) (eq (string-to-char string-after) ?\{)))
1207                      (string-match "[({]?\\([^)}]+\\)[)}]?" string-after))
1208                 (org-export-latex-protect-string
1209                  (format "%s$%s{%s}$" string-before char
1210                          (if (and (> (match-end 1) (1+ (match-beginning 1)))
1211                                   (not (equal (substring string-after 0 2) "{\\")))
1212                              (concat "\\mathrm{" (match-string 1 string-after) "}")
1213                            (match-string 1 string-after)))))
1214                ((eq subsup t) (concat string-before "$" char string-after "$"))
1215                (t (org-export-latex-protect-string
1216                    (concat string-before "\\" char "{}" string-after)))))
1217         (t (org-export-latex-protect-string
1218             (concat string-before "\\" char "{}" string-after)))))
1219
1220 (defun org-export-latex-treat-backslash-char (string-before string-after)
1221   "Convert the \"$\" special character to LaTeX.
1222 The conversion is made depending of STRING-BEFORE and STRING-AFTER."
1223   (cond ((member (list string-after) org-html-entities)
1224          ;; backslash is part of a special entity (like "\alpha")
1225          (concat string-before "$\\"
1226                  (or (cdar (member (list string-after) org-html-entities))
1227                      string-after) "$"))
1228         ((and (not (string-match "^[ \n\t]" string-after))
1229               (not (string-match "[ \t]\\'\\|^" string-before)))
1230          ;; backslash is inside a word
1231          (org-export-latex-protect-string
1232           (concat string-before "\\textbackslash{}" string-after)))
1233         ((not (or (equal string-after "")
1234                   (string-match "^[ \t\n]" string-after)))
1235          ;; backslash might escape a character (like \#) or a user TeX
1236          ;; macro (like \setcounter)
1237          (org-export-latex-protect-string
1238           (concat string-before "\\" string-after)))
1239         ((and (string-match "^[ \t\n]" string-after)
1240               (string-match "[ \t\n]\\'" string-before))
1241          ;; backslash is alone, convert it to $\backslash$
1242          (org-export-latex-protect-string
1243           (concat string-before "\\textbackslash{}" string-after)))
1244         (t (org-export-latex-protect-string
1245             (concat string-before "\\textbackslash{}" string-after)))))
1246
1247 (defun org-export-latex-keywords ()
1248   "Convert special keywords to LaTeX."
1249   (goto-char (point-min))
1250   (while (re-search-forward org-export-latex-special-keyword-regexp nil t)
1251     (replace-match (format org-export-latex-timestamp-keyword-markup
1252                            (match-string 0)) t t)
1253     (save-excursion
1254       (beginning-of-line 1)
1255       (unless (looking-at ".*\\\\newline[ \t]*$")
1256         (end-of-line 1)
1257         (insert "\\newline")))))
1258
1259 (defun org-export-latex-fixed-width (opt)
1260   "When OPT is non-nil convert fixed-width sections to LaTeX."
1261   (goto-char (point-min))
1262   (while (re-search-forward "^[ \t]*:\\([ \t]\\|$\\)" nil t)
1263     (if opt
1264         (progn (goto-char (match-beginning 0))
1265                (insert "\\begin{verbatim}\n")
1266                (while (looking-at "^\\([ \t]*\\):\\(\\([ \t]\\|$\\).*\\)$")
1267                  (replace-match (concat (match-string 1)
1268                                         (match-string 2)) t t)
1269                  (forward-line))
1270                (insert "\\end{verbatim}\n\n"))
1271       (progn (goto-char (match-beginning 0))
1272              (while (looking-at "^\\([ \t]*\\):\\(\\([ \t]\\|$\\).*\\)$")
1273                (replace-match (concat "%" (match-string 1)
1274                                       (match-string 2)) t t)
1275                (forward-line))))))
1276
1277
1278 (defvar org-table-last-alignment) ; defined in org-table.el
1279 (declare-function orgtbl-to-latex "org-table" (table params) t)
1280 (defun org-export-latex-tables (insert)
1281   "Convert tables to LaTeX and INSERT it."
1282   (goto-char (point-min))
1283   (while (re-search-forward "^\\([ \t]*\\)|" nil t)
1284     ;; FIXME really need to save-excursion?
1285     (save-excursion (org-table-align))
1286     (let* ((beg (org-table-begin))
1287            (end (org-table-end))
1288            (raw-table (buffer-substring beg end))
1289            fnum fields line lines olines gr colgropen line-fmt align
1290            caption label attr floatp longtblp)
1291       (if org-export-latex-tables-verbatim
1292           (let* ((tbl (concat "\\begin{verbatim}\n" raw-table
1293                               "\\end{verbatim}\n")))
1294             (apply 'delete-region (list beg end))
1295             (insert (org-export-latex-protect-string tbl)))
1296         (progn
1297           (setq caption (org-find-text-property-in-string
1298                          'org-caption raw-table)
1299                 attr (org-find-text-property-in-string
1300                       'org-attributes raw-table)
1301                 label (org-find-text-property-in-string
1302                        'org-label raw-table)
1303                 longtblp (and attr (stringp attr)
1304                               (string-match "\\<longtable\\>" attr))
1305                 align (and attr (stringp attr)
1306                            (string-match "\\<align=\\([^ \t\n\r,]+\\)" attr)
1307                            (match-string 1 attr))
1308                 floatp (or caption label))
1309           (setq lines (org-split-string raw-table "\n"))
1310           (apply 'delete-region (list beg end))
1311           (when org-export-table-remove-special-lines
1312             (setq lines (org-table-clean-before-export lines 'maybe-quoted)))
1313           ;; make a formatting string to reflect aligment
1314           (setq olines lines)
1315           (while (and (not line-fmt) (setq line (pop olines)))
1316             (unless (string-match "^[ \t]*|-" line)
1317               (setq fields (org-split-string line "[ \t]*|[ \t]*"))
1318               (setq fnum (make-vector (length fields) 0))
1319               (setq line-fmt
1320                     (mapconcat
1321                      (lambda (x)
1322                        (setq gr (pop org-table-colgroup-info))
1323                        (format "%s%%s%s"
1324                                (cond ((eq gr :start)
1325                                       (prog1 (if colgropen "|" "|")
1326                                         (setq colgropen t)))
1327                                      ((eq gr :startend)
1328                                       (prog1 (if colgropen "|" "|")
1329                                         (setq colgropen nil)))
1330                                      (t ""))
1331                                (if (memq gr '(:end :startend))
1332                                    (progn (setq colgropen nil) "|")
1333                                  "")))
1334                      fnum ""))))
1335           ;; fix double || in line-fmt
1336           (setq line-fmt (replace-regexp-in-string "||" "|" line-fmt))
1337           ;; maybe remove the first and last "|"
1338           (when (and (not org-export-latex-tables-column-borders)
1339                      (string-match "^\\(|\\)?\\(.+\\)|$" line-fmt))
1340             (setq line-fmt (match-string 2 line-fmt)))
1341           ;; format alignment
1342           (unless align
1343             (setq align (apply 'format
1344                                (cons line-fmt
1345                                      (mapcar (lambda (x) (if x "r" "l"))
1346                                              org-table-last-alignment)))))
1347           ;; prepare the table to send to orgtbl-to-latex
1348           (setq lines
1349                 (mapcar
1350                  (lambda(elem)
1351                    (or (and (string-match "[ \t]*|-+" elem) 'hline)
1352                        (org-split-string (org-trim elem) "|")))
1353                  lines))
1354           (when insert
1355             (insert (org-export-latex-protect-string
1356                      (concat
1357                       (if longtblp
1358                           (concat "\\begin{longtable}{" align "}\n")
1359                         (if floatp "\\begin{table}[htb]\n"))
1360                       (if (or floatp longtblp)
1361                           (format
1362                            "\\caption{%s%s}"
1363                            (if label (concat "\\\label{" label "}") "")
1364                            (or caption "")))
1365                       (if longtblp "\\\\\n" "\n")
1366                       (if (and org-export-latex-tables-centered (not longtblp))
1367                           "\\begin{center}\n")
1368                       (if (not longtblp) (concat "\\begin{tabular}{" align "}\n"))
1369                       (orgtbl-to-latex
1370                        lines
1371                        `(:tstart nil :tend nil
1372                                  :hlend ,(if longtblp
1373                                              (format "\\\\
1374 \\hline
1375 \\endhead
1376 \\hline\\multicolumn{%d}{r}{Continued on next page}\\
1377 \\endfoot
1378 \\endlastfoot" (length org-table-last-alignment))
1379                                            nil)))
1380                       (if (not longtblp) (concat "\n\\end{tabular}"))
1381                       (if longtblp "\n" (if org-export-latex-tables-centered
1382                                             "\n\\end{center}\n" "\n"))
1383                       (if longtblp
1384                           "\\end{longtable}"
1385                         (if floatp "\\end{table}"))))
1386                     "\n\n")))))))
1387
1388 (defun org-export-latex-fontify ()
1389   "Convert fontification to LaTeX."
1390   (goto-char (point-min))
1391   (while (re-search-forward org-emph-re nil t)
1392     ;; The match goes one char after the *string*
1393     (let ((emph (assoc (match-string 3)
1394                        org-export-latex-emphasis-alist))
1395           (beg (match-beginning 0))
1396           (end (match-end 0))
1397           rpl)
1398       (unless emph
1399         (message "`org-export-latex-emphasis-alist' has no entry for formatting triggered by \"%s\""
1400                  (match-string 3)))
1401       (unless (or (get-text-property (1- (point)) 'org-protected)
1402                   (save-excursion
1403                     (goto-char (match-beginning 1))
1404                     (save-match-data
1405                       (and (org-at-table-p)
1406                            (string-match
1407                             "[|\n]" (buffer-substring beg end))))))
1408         (setq rpl (concat (match-string 1)
1409                           (org-export-latex-emph-format (cadr emph)
1410                                                         (match-string 4))
1411                           (match-string 5)))
1412         (if (caddr emph)
1413             (setq rpl (org-export-latex-protect-string rpl)))
1414         (replace-match rpl t t)))
1415     (backward-char)))
1416
1417 (defvar org-export-latex-use-verb nil)
1418 (defun org-export-latex-emph-format (format string)
1419   "Format an emphasis string and handle the \\verb special case."
1420   (when (equal format "\\verb")
1421     (save-match-data
1422       (if org-export-latex-use-verb
1423           (let ((ll "~,./?;':\"|!@#%^&-_=+abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ<>()[]{}"))
1424             (catch 'exit
1425               (loop for i from 0 to (1- (length ll)) do
1426                     (if (not (string-match (regexp-quote (substring ll i (1+ i)))
1427                                            string))
1428                         (progn
1429                           (setq format (concat "\\verb" (substring ll i (1+ i))
1430                                                "%s" (substring ll i (1+ i))))
1431                           (throw 'exit nil))))))
1432         (let ((start 0)
1433               (trans '(("\\" . "\\backslash")
1434                        ("~" . "\\ensuremath{\\sim}")
1435                        ("^" . "\\ensuremath{\\wedge}")))
1436               (rtn "") char)
1437           (while (string-match "[\\{}$%&_#~^]" string)
1438             (setq char (match-string 0 string))
1439             (if (> (match-beginning 0) 0)
1440                 (setq rtn (concat rtn (substring string
1441                                                  0 (match-beginning 0)))))
1442             (setq string (substring string (1+ (match-beginning 0))))
1443             (setq char (or (cdr (assoc char trans)) (concat "\\" char))
1444                   rtn (concat rtn char)))
1445           (setq string (concat rtn string) format "\\texttt{%s}")))))
1446   (setq string (org-export-latex-protect-string
1447                 (format format string))))
1448
1449 (defun org-export-latex-links ()
1450   ;; Make sure to use the LaTeX hyperref and graphicx package
1451   ;; or send some warnings.
1452   "Convert links to LaTeX."
1453   (goto-char (point-min))
1454   (while (re-search-forward org-bracket-link-analytic-regexp++ nil t)
1455     (org-if-unprotected
1456      (goto-char (match-beginning 0))
1457      (let* ((re-radio org-export-latex-all-targets-re)
1458             (remove (list (match-beginning 0) (match-end 0)))
1459             (raw-path (org-extract-attributes (match-string 3)))
1460             (full-raw-path (concat (match-string 1) raw-path))
1461             (desc (match-string 5))
1462             (type (or (match-string 2)
1463                       (if (or (file-name-absolute-p raw-path)
1464                               (string-match "^\\.\\.?/" raw-path))
1465                           "file")))
1466             (coderefp (equal type "coderef"))
1467             (caption (org-find-text-property-in-string 'org-caption raw-path))
1468             (attr (or (org-find-text-property-in-string 'org-attributes raw-path)
1469                       (plist-get org-export-latex-options-plist :latex-image-options)))
1470             (label (org-find-text-property-in-string 'org-label raw-path))
1471             (floatp (or label caption))
1472             imgp radiop
1473             ;; define the path of the link
1474             (path (cond
1475                    ((member type '("coderef"))
1476                     raw-path)
1477                    ((member type '("http" "https" "ftp"))
1478                     (concat type ":" raw-path))
1479                    ((and re-radio (string-match re-radio raw-path))
1480                     (setq radiop t))
1481                    ((equal type "mailto")
1482                     (concat type ":" raw-path))
1483                    ((equal type "file")
1484                     (if (and (org-file-image-p
1485                               (expand-file-name
1486                                raw-path)
1487                               org-export-latex-inline-image-extensions)
1488                              (or (get-text-property 0 'org-no-description
1489                                                     raw-path)
1490                                  (equal desc full-raw-path)))
1491                         (setq imgp t)
1492                       (progn (when (string-match "\\(.+\\)::.+" raw-path)
1493                                (setq raw-path (match-string 1 raw-path)))
1494                              (if (file-exists-p raw-path)
1495                                  (concat type "://" (expand-file-name raw-path))
1496                                (concat type "://" (org-export-directory
1497                                                    :LaTeX org-export-latex-options-plist)
1498                                        raw-path))))))))
1499        ;; process with link inserting
1500        (apply 'delete-region remove)
1501        (cond ((and imgp (plist-get org-export-latex-options-plist :inline-images))
1502               (insert
1503                (concat
1504                 (if floatp "\\begin{figure}[htb]\n")
1505                 (format "\\centerline{\\includegraphics[%s]{%s}}\n"
1506                         attr
1507                         (if (file-name-absolute-p raw-path)
1508                             (expand-file-name raw-path)
1509                           raw-path))
1510                 (if floatp
1511                     (format "\\caption{%s%s}\n"
1512                             (if label (concat "\\label{" label "}") "")
1513                             (or caption "")))
1514                 (if floatp "\\end{figure}\n"))))
1515              (coderefp
1516               (insert (format
1517                        (org-export-get-coderef-format path desc)
1518                        (cdr (assoc path org-export-code-refs)))))
1519              (radiop (insert (format "\\hyperref[%s]{%s}"
1520                                      (org-solidify-link-text raw-path) desc)))
1521              ((not type)
1522               (insert (format "\\hyperref[%s]{%s}"
1523                               (org-remove-initial-hash
1524                                (org-solidify-link-text raw-path)) desc)))
1525              (path (insert (format "\\href{%s}{%s}" path desc)))
1526              (t (insert "\\texttt{" desc "}")))))))
1527
1528 (defun org-remove-initial-hash (s)
1529   (if (string-match "\\`#" s)
1530       (substring s 1)
1531     s))
1532 (defvar org-latex-entities)   ; defined below
1533 (defvar org-latex-entities-regexp)   ; defined below
1534 (defvar org-latex-entities-exceptions)   ; defined below
1535
1536 (defun org-export-latex-preprocess (parameters)
1537   "Clean stuff in the LaTeX export."
1538   ;; Preserve line breaks
1539   (goto-char (point-min))
1540   (while (re-search-forward "\\\\\\\\" nil t)
1541     (add-text-properties (match-beginning 0) (match-end 0)
1542                          '(org-protected t)))
1543
1544   ;; Preserve latex environments
1545   (goto-char (point-min))
1546   (while (re-search-forward "^[ \t]*\\\\begin{\\([a-zA-Z]+\\*?\\)}" nil t)
1547     (let* ((start (progn (beginning-of-line) (point)))
1548            (end (and (re-search-forward
1549                       (concat "^[ \t]*\\\\end{"
1550                               (regexp-quote (match-string 1))
1551                               "}") nil t)
1552                      (point-at-eol))))
1553       (if end
1554           (add-text-properties start end '(org-protected t))
1555         (goto-char (point-at-eol)))))
1556
1557   ;; Preserve math snippets
1558
1559   (let* ((matchers (plist-get org-format-latex-options :matchers))
1560          (re-list org-latex-regexps)
1561          beg end re e m n block off)
1562     ;; Check the different regular expressions
1563     (while (setq e (pop re-list))
1564       (setq m (car e) re (nth 1 e) n (nth 2 e)
1565             block (if (nth 3 e) "\n\n" ""))
1566       (setq off (if (member m '("$" "$1")) 1 0))
1567       (when (and (member m matchers) (not (equal m "begin")))
1568         (goto-char (point-min))
1569         (while (re-search-forward re nil t)
1570           (setq beg (+ (match-beginning 0) off) end (- (match-end 0) 0))
1571           (add-text-properties beg end '(org-protected t org-latex-math t))))))
1572
1573   ;; Convert LaTeX to \LaTeX{}
1574   (goto-char (point-min))
1575   (let ((case-fold-search nil))
1576     (while (re-search-forward "\\([^+_]\\)LaTeX" nil t)
1577       (org-if-unprotected
1578        (replace-match (org-export-latex-protect-string
1579                        (concat (match-string 1) "\\LaTeX{}")) t t))))
1580
1581   ;; Convert blockquotes
1582   (goto-char (point-min))
1583   (while (search-forward "ORG-BLOCKQUOTE-START" nil t)
1584     (org-replace-match-keep-properties "\\begin{quote}" t t))
1585   (goto-char (point-min))
1586   (while (search-forward "ORG-BLOCKQUOTE-END" nil t)
1587     (org-replace-match-keep-properties "\\end{quote}" t t))
1588
1589   ;; Convert verse
1590   (goto-char (point-min))
1591   (while (search-forward "ORG-VERSE-START" nil t)
1592     (org-replace-match-keep-properties "\\begin{verse}" t t)
1593     (beginning-of-line 2)
1594     (while (and (not (looking-at "[ \t]*ORG-VERSE-END.*")) (not (eobp)))
1595       (when (looking-at "\\([ \t]+\\)\\([^ \t\n]\\)")
1596         (goto-char (match-end 1))
1597         (org-replace-match-keep-properties
1598          (org-export-latex-protect-string
1599           (concat "\\hspace*{1cm}" (match-string 2))) t t)
1600         (beginning-of-line 1))
1601       (unless (looking-at ".*?[^ \t\n].*?\\\\\\\\[ \t]*$")
1602         (end-of-line 1)
1603         (insert "\\\\"))
1604       (beginning-of-line 2))
1605     (and (looking-at "[ \t]*ORG-VERSE-END.*")
1606          (org-replace-match-keep-properties "\\end{verse}" t t)))
1607
1608   ;; Convert center
1609   (goto-char (point-min))
1610   (while (search-forward "ORG-CENTER-START" nil t)
1611     (org-replace-match-keep-properties "\\begin{center}" t t))
1612   (goto-char (point-min))
1613   (while (search-forward "ORG-CENTER-END" nil t)
1614     (org-replace-match-keep-properties "\\end{center}" t t))
1615
1616   (run-hooks 'org-export-latex-after-blockquotes-hook)
1617
1618   ;; Convert horizontal rules
1619   (goto-char (point-min))
1620   (while (re-search-forward "^----+.$" nil t)
1621     (org-if-unprotected
1622      (replace-match (org-export-latex-protect-string "\\hrule") t t)))
1623
1624   ;; Protect LaTeX commands like \command[...]{...} or \command{...}
1625   (let ((re (concat "\\\\[a-zA-Z]+\\(?:"
1626                     "\\[.*\\]"
1627                     "\\)?"
1628                     (org-create-multibrace-regexp "{" "}" 3))))
1629     (while (re-search-forward re nil t)
1630       (add-text-properties (match-beginning 0) (match-end 0)
1631                            '(org-protected t))))
1632
1633   ;; Protect LaTeX entities
1634   (goto-char (point-min))
1635   (let (a)
1636     (while (re-search-forward org-latex-entities-regexp nil t)
1637       (if (setq a (assoc (match-string 0) org-latex-entities-exceptions))
1638           (replace-match (org-add-props (nth 1 a) nil 'org-protected t)
1639                          t t)
1640         (add-text-properties (match-beginning 0) (match-end 0)
1641                              '(org-protected t)))))
1642
1643   ;; Replace radio links
1644   (goto-char (point-min))
1645   (while (re-search-forward
1646           (concat "<<<?" org-export-latex-all-targets-re
1647                   ">>>?\\((INVISIBLE)\\)?") nil t)
1648     (org-if-unprotected
1649      (replace-match
1650       (org-export-latex-protect-string
1651        (format "\\label{%s}%s" (save-match-data (org-solidify-link-text
1652                                                  (match-string 1)))
1653                (if (match-string 2) "" (match-string 1)))) t t)))
1654
1655   ;; Delete @<...> constructs
1656   ;; Thanks to Daniel Clemente for this regexp
1657   (goto-char (point-min))
1658   (while (re-search-forward "@<\\(?:[^\"\n]\\|\".*\"\\)*?>" nil t)
1659     (org-if-unprotected
1660      (replace-match "")))
1661
1662   ;; When converting to LaTeX, replace footnotes
1663   ;; FIXME: don't protect footnotes from conversion
1664   (when (plist-get org-export-latex-options-plist :footnotes)
1665     (goto-char (point-min))
1666     (while (re-search-forward "\\[\\([0-9]+\\)\\]" nil t)
1667       (org-if-unprotected
1668        (when (save-match-data
1669                (save-excursion (beginning-of-line)
1670                                (looking-at "[^:|#]")))
1671          (let ((foot-beg (match-beginning 0))
1672                (foot-end (match-end 0))
1673                (foot-prefix (match-string 0))
1674                footnote footnote-rpl)
1675            (save-excursion
1676              (if (not (re-search-forward (concat "^" (regexp-quote foot-prefix))
1677                                          nil t))
1678                  (replace-match "$^{\\1}$")
1679                (replace-match "")
1680                (let ((end (save-excursion
1681                             (if (re-search-forward "^$\\|^#.*$\\|\\[[0-9]+\\]" nil t)
1682                                 (match-beginning 0) (point-max)))))
1683                  (setq footnote (concat (org-trim (buffer-substring (point) end))
1684                                         " ")) ; prevent last } being part of a link
1685                  (delete-region (point) end))
1686                (goto-char foot-beg)
1687                (delete-region foot-beg foot-end)
1688                (unless (null footnote)
1689                  (setq footnote-rpl (format "\\footnote{%s}" footnote))
1690                  (add-text-properties 0 10 '(org-protected t) footnote-rpl)
1691                  (add-text-properties (1- (length footnote-rpl))
1692                                       (length footnote-rpl)
1693                                       '(org-protected t) footnote-rpl)
1694                  (insert footnote-rpl)))
1695              )))))
1696
1697     ;; Remove footnote section tag for LaTeX
1698     (goto-char (point-min))
1699     (while (re-search-forward
1700             (concat "^" footnote-section-tag-regexp) nil t)
1701       (org-if-unprotected
1702        (replace-match "")))))
1703
1704 ;;; List handling:
1705
1706 (defun org-export-latex-lists ()
1707   "Convert plain text lists in current buffer into LaTeX lists."
1708   (goto-char (point-min))
1709   (while (re-search-forward org-list-beginning-re nil t)
1710     (org-if-unprotected
1711      (beginning-of-line)
1712      (insert (org-list-to-latex (org-list-parse-list t)
1713                                 org-export-latex-list-parameters))
1714      "\n")))
1715
1716 (defconst org-latex-entities
1717  '("\\!"
1718    "\\'"
1719    "\\+"
1720    "\\,"
1721    "\\-"
1722    "\\:"
1723    "\\;"
1724    "\\<"
1725    "\\="
1726    "\\>"
1727    "\\Huge"
1728    "\\LARGE"
1729    "\\Large"
1730    "\\Styles"
1731    "\\\\"
1732    "\\`"
1733    "\\addcontentsline"
1734    "\\address"
1735    "\\addtocontents"
1736    "\\addtocounter"
1737    "\\addtolength"
1738    "\\addvspace"
1739    "\\alph"
1740    "\\appendix"
1741    "\\arabic"
1742    "\\author"
1743    "\\begin{array}"
1744    "\\begin{center}"
1745    "\\begin{description}"
1746    "\\begin{enumerate}"
1747    "\\begin{eqnarray}"
1748    "\\begin{equation}"
1749    "\\begin{figure}"
1750    "\\begin{flushleft}"
1751    "\\begin{flushright}"
1752    "\\begin{itemize}"
1753    "\\begin{list}"
1754    "\\begin{minipage}"
1755    "\\begin{picture}"
1756    "\\begin{quotation}"
1757    "\\begin{quote}"
1758    "\\begin{tabbing}"
1759    "\\begin{table}"
1760    "\\begin{tabular}"
1761    "\\begin{thebibliography}"
1762    "\\begin{theorem}"
1763    "\\begin{titlepage}"
1764    "\\begin{verbatim}"
1765    "\\begin{verse}"
1766    "\\bf"
1767    "\\bf"
1768    "\\bibitem"
1769    "\\bigskip"
1770    "\\cdots"
1771    "\\centering"
1772    "\\circle"
1773    "\\cite"
1774    "\\cleardoublepage"
1775    "\\clearpage"
1776    "\\cline"
1777    "\\closing"
1778    "\\dashbox"
1779    "\\date"
1780    "\\ddots"
1781    "\\dotfill"
1782    "\\em"
1783    "\\fbox"
1784    "\\flushbottom"
1785    "\\fnsymbol"
1786    "\\footnote"
1787    "\\footnotemark"
1788    "\\footnotesize"
1789    "\\footnotetext"
1790    "\\frac"
1791    "\\frame"
1792    "\\framebox"
1793    "\\hfill"
1794    "\\hline"
1795    "\\hrulespace"
1796    "\\hspace"
1797    "\\huge"
1798    "\\hyphenation"
1799    "\\include"
1800    "\\includeonly"
1801    "\\indent"
1802    "\\input"
1803    "\\it"
1804    "\\kill"
1805    "\\label"
1806    "\\large"
1807    "\\ldots"
1808    "\\line"
1809    "\\linebreak"
1810    "\\linethickness"
1811    "\\listoffigures"
1812    "\\listoftables"
1813    "\\location"
1814    "\\makebox"
1815    "\\maketitle"
1816    "\\mark"
1817    "\\mbox"
1818    "\\medskip"
1819    "\\multicolumn"
1820    "\\multiput"
1821    ("\\nbsp" "~")
1822    "\\newcommand"
1823    "\\newcounter"
1824    "\\newenvironment"
1825    "\\newfont"
1826    "\\newlength"
1827    "\\newline"
1828    "\\newpage"
1829    "\\newsavebox"
1830    "\\newtheorem"
1831    "\\nocite"
1832    "\\nofiles"
1833    "\\noindent"
1834    "\\nolinebreak"
1835    "\\nopagebreak"
1836    "\\normalsize"
1837    "\\onecolumn"
1838    "\\opening"
1839    "\\oval"
1840    "\\overbrace"
1841    "\\overline"
1842    "\\pagebreak"
1843    "\\pagenumbering"
1844    "\\pageref"
1845    "\\pagestyle"
1846    "\\par"
1847    "\\parbox"
1848    "\\put"
1849    "\\raggedbottom"
1850    "\\raggedleft"
1851    "\\raggedright"
1852    "\\raisebox"
1853    "\\ref"
1854    "\\rm"
1855    "\\roman"
1856    "\\rule"
1857    "\\savebox"
1858    "\\sc"
1859    "\\scriptsize"
1860    "\\setcounter"
1861    "\\setlength"
1862    "\\settowidth"
1863    "\\sf"
1864    "\\shortstack"
1865    "\\signature"
1866    "\\sl"
1867    "\\small"
1868    "\\smallskip"
1869    "\\sqrt"
1870    "\\tableofcontents"
1871    "\\telephone"
1872    "\\thanks"
1873    "\\thispagestyle"
1874    "\\tiny"
1875    "\\title"
1876    "\\tt"
1877    "\\twocolumn"
1878    "\\typein"
1879    "\\typeout"
1880    "\\underbrace"
1881    "\\underline"
1882    "\\usebox"
1883    "\\usecounter"
1884    "\\value"
1885    "\\vdots"
1886    "\\vector"
1887    "\\verb"
1888    "\\vfill"
1889    "\\vline"
1890    "\\vspace")
1891  "A list of LaTeX commands to be protected when performing conversion.")
1892
1893 (defvar org-latex-entities-exceptions nil)
1894
1895 (defconst org-latex-entities-regexp
1896   (let (names rest)
1897     (dolist (x org-latex-entities)
1898       (when (consp x)
1899         (add-to-list 'org-latex-entities-exceptions x)
1900         (setq x (car x)))
1901       (if (string-match "[a-z][A-Z]$" x)
1902           (push x names)
1903         (push x rest)))
1904     (concat "\\(" (regexp-opt (nreverse names)) "\\>\\)"
1905             "\\|\\(" (regexp-opt (nreverse rest)) "\\)")))
1906
1907 (provide 'org-export-latex)
1908 (provide 'org-latex)
1909
1910 ;; arch-tag: 23c2b87d-da04-4c2d-ad2d-1eb6487bc3ad
1911
1912 ;;; org-latex.el ends here