Mercurial > hg > xemacs-beta
diff lisp/language/ethio-util.el @ 165:5a88923fcbfe r20-3b9
Import from CVS: tag r20-3b9
| author | cvs |
|---|---|
| date | Mon, 13 Aug 2007 09:44:42 +0200 |
| parents | |
| children |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/lisp/language/ethio-util.el Mon Aug 13 09:44:42 2007 +0200 @@ -0,0 +1,1842 @@ +;;; ethio-util.el --- utilities for Ethiopic + +;; Copyright (C) 1995 Free Software Foundation, Inc. +;; Copyright (C) 1995 Electrotechnical Laboratory, JAPAN. +;; Copyright (C) 1997 MORIOKA Tomohiko + +;; Keywords: mule, multilingual, Ethiopic + +;; This file is part of XEmacs. + +;; XEmacs is free software; you can redistribute it and/or modify it +;; under the terms of the GNU General Public License as published by +;; the Free Software Foundation; either version 2, or (at your option) +;; any later version. + +;; XEmacs is distributed in the hope that it will be useful, but +;; WITHOUT ANY WARRANTY; without even the implied warranty of +;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +;; General Public License for more details. + +;; You should have received a copy of the GNU General Public License +;; along with XEmacs; see the file COPYING. If not, write to the Free +;; Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA +;; 02111-1307, USA. + +;; Author: TAKAHASHI Naoto <ntakahas@etl.go.jp> +;; modified by MORIOKA Tomohiko <morioka@jaist.ac.jp> for XEmacs. + +;;; Code: + +(eval-when-compile + (require 'rmail) + (require 'w3) + ) + +;; +;; ETHIOPIC UTILITY FUNCTIONS +;; + +;; If the filename ends in ".sera", editing is done in fidel +;; but file I/O is done in SERA. +;; +;; If the filename ends in ".java", editing is done in fidel +;; but file I/O is done in the \uXXXX style, where XXXX is +;; the Unicode codepoint for the Ethiopic character. +;; +;; If the filename ends in ".tex", editing is done in fidel +;; but file I/O is done in EthioTeX format. +;; +;; To automatically convert Ethiopic text to SERA format when sending mail, +;; (add-hook 'mail-send-hook 'ethio-fidel-to-sera-mail) +;; +;; To automatically convert SERA format to Ethiopic when receiving mail, +;; (add-hook 'rmail-show-message-hook 'ethio-sera-to-fidel-mail) +;; +;; To automatically convert Ethiopic text to SERA format when posting news, +;; (add-hook 'news-inews-hook 'ethio-fidel-to-sera-mail) + +;; +;; users' preference +;; + +(defvar ethio-primary-language 'tigrigna + "*Symbol that defines the primary language in SERA --> FIDEL conversion. +The value should be one of: `tigrigna', `amharic' or `english'.") + +(defvar ethio-secondary-language 'english + "*Symbol that defines the secondary language in SERA --> FIDEL conversion. +The value should be one of: `tigrigna', `amharic' or `english'.") + +(defvar ethio-use-colon-for-colon nil + "*Non-nil means associate ASCII colon with Ethiopic colon. +If nil, associate ASCII colon with Ethiopic word separator, i.e., two +vertically stacked dots. All SERA <--> FIDEL converters refer this +variable.") + +(defvar ethio-use-three-dot-question nil + "*Non-nil means associate ASCII question mark with Ethiopic old style question mark (three vertically stacked dots). +If nil, associate ASCII question mark with Ethiopic stylised question +mark. All SERA <--> FIDEL converters refer this variable.") + +(defvar ethio-quote-vowel-always nil + "*Non-nil means always put an apostrophe before an isolated vowel (except at word initial) in FIDEL --> SERA conversion. +If nil, put an apostrophe only between a sixth-form consonant and an +isolated vowel.") + +(defvar ethio-W-sixth-always nil + "*Non-nil means convert the Wu-form of a 12-form consonant to \"W'\" instead of \"Wu\" in FIDEL --> SERA conversion.") + +(defvar ethio-numeric-reduction 0 + "*Degree of reduction in converting Ethiopic digits into Arabic digits. +Should be 0, 1 or 2. +For example, ({10}{9}{100}{80}{7}) is converted into: + `10`9`100`80`7 if `ethio-numeric-reduction' is 0, + `109100807 if `ethio-numeric-reduction' is 1, + `10900807 if `ethio-numeric-reduction' is 2.") + +(defvar ethio-implicit-period-conversion t + "*Non-nil means replacing the Ethiopic dot at the end of an Ethiopic sentence +with an Ethiopic full stop.") + +(defvar ethio-java-save-lowercase nil + "*Non-nil means save Ethiopic characters in lowercase hex numbers to Java files. +If nil, use uppercases.") + +;; +;; SERA to FIDEL +;; + +(defconst ethio-sera-to-fidel-table + [ + nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil + nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil +;;; SP + (" " + (?: (if ethio-use-colon-for-colon " $(3$l(B" "$(3$h(B") + (32 (if ethio-use-colon-for-colon " $(3$l(B " "$(3$h(B")) + (?- " $(3$m(B") + (?: " $(3$i(B") + (?| (if ethio-use-colon-for-colon " $(3$l(B|" " $(3$h(B|") + (?: " $(3$o(B")))) + +;;; ! " # $ % & ' + nil nil nil nil nil nil ("" (?' 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s + ("$(3!V(B" (?e "$(3!Q(B") (?u "$(3!R(B") (?i "$(3!S(B") (?a "$(3!T(B") (?E "$(3!U(B") (?o "$(3!W(B") + (?W "$(3!X(B" (?a "$(3!X(B") + (?e "$(3!V%n(B") (?u "$(3!V%r(B") (?i "$(3!V%o(B") (?E "$(3!V%q(B")) + (?2 "$(3!F(B" (?e "$(3!A(B") (?u "$(3!B(B") (?i "$(3!C(B") (?a "$(3!D(B") (?E "$(3!E(B") (?o "$(3!G(B") + (?W "$(3!H(B" (?a "$(3!H(B") + (?e "$(3!F%n(B") (?u "$(3!F%r(B") (?i "$(3!F%o(B") (?E "$(3!F%q(B")))) +;;; t + ("$(3"8(B" (?e "$(3"3(B") (?u "$(3"4(B") (?i "$(3"5(B") (?a "$(3"6(B") (?E "$(3"7(B") (?o "$(3"9(B") + (?W "$(3":(B" (?a "$(3":(B") + (?e "$(3"8%n(B") (?u "$(3"8%r(B") (?i "$(3"8%o(B") (?E "$(3"8%q(B"))) +;;; u + ("$(3"d(B" (?2 "$(3#6(B")) +;;; v + ("$(3"0(B" (?e "$(3"+(B") (?u "$(3",(B") (?i "$(3"-(B") (?a "$(3".(B") (?E "$(3"/(B") (?o "$(3"1(B") + (?W "$(3"2(B" (?a "$(3"2(B") + (?e "$(3"0%n(B") (?u "$(3"0%r(B") (?i "$(3"0%o(B") (?E "$(3"0%q(B"))) +;;; w + ("$(3#2(B" (?e "$(3#-(B") (?u "$(3#.(B") (?i "$(3#/(B") (?a "$(3#0(B") (?E "$(3#1(B") (?o "$(3#3(B") + (?W "$(3%p(B" (?e "$(3%n(B") (?u "$(3%r(B") (?i "$(3%o(B") (?a "$(3%p(B") (?E "$(3%q(B"))) +;;; x + ("$(3!^(B" (?e "$(3!Y(B") (?u "$(3!Z(B") (?i "$(3![(B") (?a "$(3!\(B") (?E "$(3!](B") (?o "$(3!_(B") + (?W "$(3!`(B" (?a "$(3!`(B") + (?e "$(3!^%n(B") (?u "$(3!^%r(B") (?i "$(3!^%o(B") (?E "$(3!^%q(B"))) +;;; y + ("$(3#R(B" (?e "$(3#M(B") (?u "$(3#N(B") (?i "$(3#O(B") (?a "$(3#P(B") (?E "$(3#Q(B") (?o "$(3#S(B") + (?W "$(3#T(B" (?a "$(3#T(B") + (?e "$(3#R%n(B") (?u "$(3#R%r(B") (?i "$(3#R%o(B") (?E "$(3#R%q(B"))) +;;; z + ("$(3#B(B" (?e "$(3#=(B") (?u "$(3#>(B") (?i "$(3#?(B") (?a "$(3#@(B") (?E "$(3#A(B") (?o "$(3#C(B") + (?W "$(3#D(B" (?a "$(3#D(B") + (?e "$(3#B%n(B") (?u "$(3#B%r(B") (?i "$(3#B%o(B") (?E "$(3#B%q(B"))) +;;; { | } ~ DEL + nil nil nil nil nil + ]) + +;;;###autoload +(defun ethio-sera-to-fidel-region (beg end &optional secondary force) + "Convert the characters in region from SERA to FIDEL. +The variable `ethio-primary-language' specifies the primary language +and `ethio-secondary-language' specifies the secondary. + +If the 3rd parameter SECONDARY is given and non-nil, assume the region +begins begins with the secondary language; otherwise with the primary +language. + +If the 4th parameter FORCE is given and non-nil, perform conversion +even if the buffer is read-only. + +See also the descriptions of the variables +`ethio-use-colen-for-colon' and +`ethio-use-three-dot-question'." + + (interactive "r\nP") + (save-restriction + (narrow-to-region beg end) + (ethio-sera-to-fidel-buffer secondary force))) + +;;;###autoload +(defun ethio-sera-to-fidel-buffer (&optional secondary force) + "Convert the current buffer from SERA to FIDEL. + +The variable `ethio-primary-language' specifies the primary +language and `ethio-secondary-language' specifies the secondary. + +If the 1st optional parameter SECONDARY is non-nil, assume the buffer +begins with the secondary language; otherwise with the primary +language. + +If the 2nd optional parametr FORCE is non-nil, perform conversion even if the +buffer is read-only. + +See also the descriptions of the variables +`ethio-use-colen-for-colon' and +`ethio-use-three-dot-question'." + + (interactive "P") + + (if (and buffer-read-only + (not force) + (not (y-or-n-p "Buffer is read-only. Force to convert? "))) + (error "")) + + (let ((ethio-primary-language ethio-primary-language) + (ethio-secondary-language ethio-secondary-language) + (ethio-use-colon-for-colon ethio-use-colon-for-colon) + (ethio-use-three-dot-question ethio-use-three-dot-question) + ;; The above four variables may be changed temporary + ;; by tilde escapes during conversion. So we bind them to other + ;; variables but of the same names. + (buffer-read-only nil) + (case-fold-search nil) + current-language + next-language) + + (setq current-language + (if secondary + ethio-secondary-language + ethio-primary-language)) + + (goto-char (point-min)) + + (while (not (eobp)) + (setq next-language + (cond + ((eq current-language 'english) + (ethio-sera-to-fidel-english)) + ((eq current-language 'amharic) + (ethio-sera-to-fidel-ethio 'amharic)) + ((eq current-language 'tigrigna) + (ethio-sera-to-fidel-ethio 'tigrigna)) + (t ; we don't know what to do + (ethio-sera-to-fidel-english)))) + + (setq current-language + (cond + + ;; when language tag is explicitly specified + ((not (eq next-language 'toggle)) + next-language) + + ;; found a toggle in a primary language section + ((eq current-language ethio-primary-language) + ethio-secondary-language) + + ;; found a toggle in a secondary, third, fourth, ... + ;; language section + (t + ethio-primary-language)))) + + ;; If ethio-implicit-period-conversion is non-nil, the + ;; Ethiopic dot "$(3%u(B" at the end of an Ethiopic sentence is + ;; replaced with the Ethiopic full stop "$(3$i(B". + (if ethio-implicit-period-conversion + (progn + (goto-char (point-min)) + (while (re-search-forward "\\([$(3!!(B-$(3$a%)(B-$(3%e%n(B-$(3%r%s(B]\\)$(3%u(B\\([ \t]\\)" + nil t) + (replace-match "\\1$(3$i(B\\2")) + (goto-char (point-min)) + (while (re-search-forward "\\([$(3!!(B-$(3$a%)(B-$(3%e%n(B-$(3%r%s(B]\\)$(3%u(B$" nil t) + (replace-match "\\1$(3$i(B")))) + + ;; gemination + (goto-char (point-min)) + (while (re-search-forward "\\ce$(3%s(B" nil 0) + (compose-region + (save-excursion (backward-char 2) (point)) + (point))) + )) + +(defun ethio-sera-to-fidel-english nil + "Handle English section in SERA to FIDEL conversion. +Conversion stops when a language switch is found. Then delete that +switch and return the name of the new language as a symbol." + (let ((new-language nil)) + + (while (and (not (eobp)) (null new-language)) + (cond + + ;; if no more "\", nothing to do. + ((not (search-forward "\\" nil 0))) + + ;; hereafter point is put after a "\". + ;; first delete that "\", then check the following chars + + ;; "\\" : leave the second "\" + ((progn + (delete-backward-char 1) + (= (following-char) ?\\ )) + (forward-char 1)) + + ;; "\ " : delete the following " " + ((= (following-char) 32) + (delete-char 1) + (setq new-language 'toggle)) + + ;; a language flag + ((setq new-language (ethio-process-language-flag))) + + ;; just a "\" : not special sequence. + (t + (setq new-language 'toggle)))) + + new-language)) + +(defun ethio-sera-to-fidel-ethio (lang) + "Handle Ethiopic section in SERA to FIDEL conversion. +Conversion stops when a language switch is found. Then delete that +switch and return the name of the new language as a symbol. + +The parameter LANG (symbol, either `amharic' or `tigrigna') affects +the conversion of \"a\"." + + (let ((new-language nil) + (verbatim nil) + start table table2 ch) + + (setcar (aref ethio-sera-to-fidel-table ?a) + (if (eq lang 'tigrigna) "$(3"f(B" "$(3"c(B")) + + (while (and (not (eobp)) (null new-language)) + (setq ch (following-char)) + (cond + + ;; skip from "<" to ">" (or from "&" to ";") if in w3-mode + ((and (boundp 'sera-being-called-by-w3) + sera-being-called-by-w3 + (or (= ch ?<) (= ch ?&))) + (search-forward (if (= ch ?<) ">" ";") + nil 0)) + + ;; leave non-ASCII characters as they are + ((>= ch 128) + (forward-char 1)) + + ;; ethiopic digits + ((looking-at "`[1-9][0-9]*") + (delete-char 1) + (ethio-convert-digit)) + + ;; if not seeing a "\", do sera to fidel conversion + ((/= ch ?\\ ) + (setq start (point)) + (forward-char 1) + (setq table (aref ethio-sera-to-fidel-table ch)) + (while (setq table2 (cdr (assoc (following-char) table))) + (setq table table2) + (forward-char 1)) + (if (setq ch (car table)) + (progn + (delete-region start (point)) + (if (stringp ch) + (insert ch) + (insert (eval ch)))))) + + ;; if control reaches here, we must be looking at a "\" + + ;; verbatim mode + (verbatim + (if (looking-at "\\\\~! ?") + + ;; "\~!" or "\~! ". switch to non-verbatim mode + (progn + (replace-match "") + (setq verbatim nil)) + + ;; "\" but not "\~!" nor "\~! ". skip the current "\". + (forward-char 1))) + + ;; hereafter, non-verbatim mode and looking at a "\" + ;; first delete that "\", then check the following chars. + + ;; "\ " : delete the following " " + ((progn + (delete-char 1) + (setq ch (following-char)) + (= ch 32)) + (delete-char 1) + (setq new-language 'toggle)) + + ;; "\~!" or "\~! " : switch to verbatim mode + ((looking-at "~! ?") + (replace-match "") + (setq verbatim t)) + + ;; a language flag + ((setq new-language (ethio-process-language-flag))) + + ;; "\~" but not "\~!" nor a language flag + ((= ch ?~) + (delete-char 1) + (ethio-tilde-escape)) + + ;; ASCII punctuation escape. skip + ((looking-at "\\(,\\|\\.\\|;\\|:\\|'\\|`\\|\?\\|\\\\\\)+") + (goto-char (match-end 0))) + + ;; "\", but not special sequence + (t + (setq new-language 'toggle)))) + + new-language)) + +(defun ethio-process-language-flag nil + "Process a language flag of the form \"~lang\" or \"~lang1~lang2\". + +If looking at \"~lang1~lang2\", set `ethio-primary-language' and +`ethio-une-secondary-language' based on \"lang1\" and \"lang2\". +Then delete the language flag \"~lang1~lang2\" from the buffer. +Return value is the new primary language. + +If looking at \"~lang\", delete that language flag \"~lang\" from the +buffer and return that language. In this case +`ethio-primary-language' and `ethio-uni-secondary-language' +are left unchanged. + +If an unsupported language flag is found, just return nil without +changing anything." + + (let (lang1 lang2) + (cond + + ;; ~lang1~lang2 + ((and (looking-at + "~\\([a-z][a-z][a-z]?\\)~\\([a-z][a-z][a-z]?\\)[ \t\n\\]") + (setq lang1 + (ethio-flag-to-language + (buffer-substring (match-beginning 1) (match-end 1)))) + (setq lang2 + (ethio-flag-to-language + (buffer-substring (match-beginning 2) (match-end 2))))) + (setq ethio-primary-language lang1 + ethio-secondary-language lang2) + (delete-region (point) (match-end 2)) + (if (= (following-char) 32) + (delete-char 1)) + ethio-primary-language) + + ;; ~lang + ((and (looking-at "~\\([a-z][a-z][a-z]?\\)[ \t\n\\]") + (setq lang1 + (ethio-flag-to-language + (buffer-substring (match-beginning 1) (match-end 1))))) + (delete-region (point) (match-end 1)) + (if (= (following-char) 32) + (delete-char 1)) + lang1) + + ;; otherwise + (t + nil)))) + +(defun ethio-tilde-escape nil + "Handle a SERA tilde escape in Ethiopic section and delete it. +Delete the escape even it is not recognised." + + (let ((p (point)) command) + (skip-chars-forward "^ \t\n\\\\") + (setq command (buffer-substring p (point))) + (delete-region p (point)) + (if (= (following-char) 32) + (delete-char 1)) + + (cond + + ;; \~-: + ((string= command "-:") + (setq ethio-use-colon-for-colon t)) + + ;; \~`: + ((string= command "`:") + (setq ethio-use-colon-for-colon nil)) + + ;; \~? + ((string= command "?") + (setq ethio-use-three-dot-question nil)) + + ;; \~`| + ((string= command "`|") + (setq ethio-use-three-dot-question t)) + + ;; \~e + ((string= command "e") + (insert "$(3%j(B")) + + ;; \~E + ((string= command "E") + (insert "$(3%k(B")) + + ;; \~a + ((string= command "a") + (insert "$(3%l(B")) + + ;; \~A + ((string= command "A") + (insert "$(3%m(B")) + + ;; \~X + ((string= command "X") + (insert "$(3%i(B")) + + ;; unsupported tilde escape + (t + nil)))) + +(defun ethio-flag-to-language (flag) + (cond + ((or (string= flag "en") (string= flag "eng")) 'english) + ((or (string= flag "ti") (string= flag "tir")) 'tigrigna) + ((or (string= flag "am") (string= flag "amh")) 'amharic) + (t nil))) + +(defun ethio-convert-digit nil + "Convert Arabic digits to Ethiopic digits." + (let (ch z) + (while (and (>= (setq ch (following-char)) ?1) + (<= ch ?9)) + (delete-char 1) + + ;; count up following zeros + (setq z 0) + (while (= (following-char) ?0) + (delete-char 1) + (setq z (1+ z))) + + (cond + + ;; first digit is 10, 20, ..., or 90 + ((= (mod z 2) 1) + (insert (aref [?$(3$y(B ?$(3$z(B ?$(3${(B ?$(3$|(B ?$(3$}(B ?$(3$~(B ?$(3%!(B ?$(3%"(B ?$(3%#(B] (- ch ?1))) + (setq z (1- z))) + + ;; first digit is 2, 3, ..., or 9 + ((/= ch ?1) + (insert (aref [?$(3$q(B ?$(3$r(B ?$(3$s(B ?$(3$t(B ?$(3$u(B ?$(3$v(B ?$(3$w(B ?$(3$x(B] (- ch ?2)))) + + ;; single 1 + ((= z 0) + (insert "$(3$p(B"))) + + ;; 100 + (if (= (mod z 4) 2) + (insert "$(3%$(B")) + + ;; 10000 + (insert-char ?$(3%%(B (/ z 4))))) + +;;;###autoload +(defun ethio-sera-to-fidel-mail (&optional arg) + "Convert SERA to FIDEL to read/write mail and news. + +If the buffer contains the markers \"<sera>\" and \"</sera>\", +convert the segments between them into FIDEL. + +If invoked interactively and there is no marker, convert the subject field +and the body into FIDEL using `ethio-sera-to-fidel-region'." + + (interactive "p") + (let ((buffer-read-only nil) + border) + (save-excursion + + ;; look for the header-body separator + (goto-char (point-min)) + (if (search-forward + (if (eq major-mode 'rmail-mode) + "\n\n" (concat "\n" mail-header-separator "\n")) + nil t) + (setq border (point)) + (error "header separator not found")) + + ;; note that the point is placed at the border + (if (or (re-search-forward "^<sera>$" nil t) + (progn + (goto-char (point-min)) + (re-search-forward "^Subject: <sera>" border t))) + + ;; there are markers + (progn + ;; we start with the body so that the border will not change + ;; use "^<sera>\n" instead of "^<sera>$" not to leave a blank line + (goto-char border) + (while (re-search-forward "^<sera>\n" nil t) + (replace-match "") + (ethio-sera-to-fidel-region + (point) + (progn + (if (re-search-forward "^</sera>\n" nil 0) + (replace-match "")) + (point)))) + ;; now process the subject + (goto-char (point-min)) + (if (re-search-forward "^Subject: <sera>" border t) + (ethio-sera-to-fidel-region + (progn (delete-backward-char 6) (point)) + (progn + (if (re-search-forward "</sera>$" (line-end-position) 0) + (replace-match "")) + (point))))) + + ;; in case there are no marks but invoked interactively + (if arg + (progn + (ethio-sera-to-fidel-region border (point-max)) + (goto-char (point-min)) + (if (re-search-forward "^Subject: " border t) + (ethio-sera-to-fidel-region (point) (line-end-position)))))) + + ;; adjust the rmail marker + (if (eq major-mode 'rmail-mode) + (set-marker + (aref rmail-message-vector (1+ rmail-current-message)) + (point-max)))))) + +;;;###autoload +(defun ethio-sera-to-fidel-marker (&optional force) + "Convert the regions surrounded by \"<sera>\" and \"</sera>\" from SERA to FIDEL. +Assume that each region begins with `ethio-primary-language'. +The markers \"<sera>\" and \"</sera>\" themselves are not deleted." + (interactive "P") + (if (and buffer-read-only + (not force) + (not (y-or-n-p "Buffer is read-only. Force to convert? "))) + (error "")) + (save-excursion + (goto-char (point-min)) + (while (re-search-forward "<sera>" nil t) + (ethio-sera-to-fidel-region + (point) + (if (re-search-forward "</sera>" nil t) + (match-beginning 0) + (point-max)) + nil + 'force)))) + +;; +;; FIDEL to SERA +;; + +(defconst ethio-fidel-to-sera-map + [ "he" "hu" "hi" "ha" "hE" "h" "ho" "" ;; 0 - 7 + "le" "lu" "li" "la" "lE" "l" "lo" "lWa" ;; 8 + "He" "Hu" "Hi" "Ha" "HE" "H" "Ho" "HWa" ;; 16 + "me" "mu" "mi" "ma" "mE" "m" "mo" "mWa" ;; 24 + "`se" "`su" "`si" "`sa" "`sE" "`s" "`so" "`sWa" ;; 32 + "re" "ru" "ri" "ra" "rE" "r" "ro" "rWa" ;; 40 + "se" "su" "si" "sa" "sE" "s" "so" "sWa" ;; 48 + "xe" "xu" "xi" "xa" "xE" "x" "xo" "xWa" ;; 56 + "qe" "qu" "qi" "qa" "qE" "q" "qo" "" ;; 64 + "qWe" "" "qWi" "qWa" "qWE" "qW'" "" "" ;; 72 + "Qe" "Qu" "Qi" "Qa" "QE" "Q" "Qo" "" ;; 80 + "QWe" "" "QWi" "QWa" "QWE" "QW'" "" "" ;; 88 + "be" "bu" "bi" "ba" "bE" "b" "bo" "bWa" ;; 96 + "ve" "vu" "vi" "va" "vE" "v" "vo" "vWa" ;; 104 + "te" "tu" "ti" "ta" "tE" "t" "to" "tWa" ;; 112 + "ce" "cu" "ci" "ca" "cE" "c" "co" "cWa" ;; 120 + "`he" "`hu" "`hi" "`ha" "`hE" "`h" "`ho" "" ;; 128 + "hWe" "" "hWi" "hWa" "hWE" "hW'" "" "" ;; 136 + "ne" "nu" "ni" "na" "nE" "n" "no" "nWa" ;; 144 + "Ne" "Nu" "Ni" "Na" "NE" "N" "No" "NWa" ;; 152 + "e" "u" "i" "A" "E" "I" "o" "ea" ;; 160 + "ke" "ku" "ki" "ka" "kE" "k" "ko" "" ;; 168 + "kWe" "" "kWi" "kWa" "kWE" "kW'" "" "" ;; 176 + "Ke" "Ku" "Ki" "Ka" "KE" "K" "Ko" "" ;; 184 + "KWe" "" "KWi" "KWa" "KWE" "KW'" "" "" ;; 192 + "we" "wu" "wi" "wa" "wE" "w" "wo" "" ;; 200 + "`e" "`u" "`i" "`a" "`E" "`I" "`o" "" ;; 208 + "ze" "zu" "zi" "za" "zE" "z" "zo" "zWa" ;; 216 + "Ze" "Zu" "Zi" "Za" "ZE" "Z" "Zo" "ZWa" ;; 224 + "ye" "yu" "yi" "ya" "yE" "y" "yo" "yWa" ;; 232 + "de" "du" "di" "da" "dE" "d" "do" "dWa" ;; 240 + "De" "Du" "Di" "Da" "DE" "D" "Do" "DWa" ;; 248 + "je" "ju" "ji" "ja" "jE" "j" "jo" "jWa" ;; 256 + "ge" "gu" "gi" "ga" "gE" "g" "go" "" ;; 264 + "gWe" "" "gWi" "gWa" "gWE" "gW'" "" "" ;; 272 + "Ge" "Gu" "Gi" "Ga" "GE" "G" "Go" "GWa" ;; 280 + "Te" "Tu" "Ti" "Ta" "TE" "T" "To" "TWa" ;; 288 + "Ce" "Cu" "Ci" "Ca" "CE" "C" "Co" "CWa" ;; 296 + "Pe" "Pu" "Pi" "Pa" "PE" "P" "Po" "PWa" ;; 304 + "Se" "Su" "Si" "Sa" "SE" "S" "So" "SWa" ;; 312 + "`Se" "`Su" "`Si" "`Sa" "`SE" "`S" "`So" "" ;; 320 + "fe" "fu" "fi" "fa" "fE" "f" "fo" "fWa" ;; 328 + "pe" "pu" "pi" "pa" "pE" "p" "po" "pWa" ;; 336 + "mYa" "rYa" "fYa" "" "" "" "" "" ;; 344 + " " " : " "::" "," ";" "-:" ":-" "`?" ;; 352 + ":|:" "1" "2" "3" "4" "5" "6" "7" ;; 360 + "8" "9" "10" "20" "30" "40" "50" "60" ;; 368 + "70" "80" "90" "100" "10000" "" "" "" ;; 376 + "`qe" "`qu" "`qi" "`qa" "`qE" "`q" "`qo" "" ;; 384 + "mWe" "bWe" "GWe" "fWe" "pWe" "" "" "" ;; 392 + "`ke" "`ku" "`ki" "`ka" "`kE" "`k" "`ko" "" ;; 400 + "mWi" "bWi" "GWi" "fWi" "pWi" "" "" "" ;; 408 + "Xe" "Xu" "Xi" "Xa" "XE" "X" "Xo" "" ;; 416 + "mWE" "bWE" "GWE" "fWE" "pWE" "" "" "" ;; 424 + "`ge" "`gu" "`gi" "`ga" "`gE" "`g" "`go" "" ;; 432 + "mW'" "bW'" "GW'" "fW'" "pW'" "" "" "" ;; 440 + "\\~X " "\\~e " "\\~E " "\\~a " "\\~A " "wWe" "wWi" "wWa" ;; 448 + "wWE" "wW'" "''" "`!" "." "<<" ">>" "?" ]) ;; 456 + +(defun ethio-prefer-amharic-p nil + (or (eq ethio-primary-language 'amharic) + (and (not (eq ethio-primary-language 'tigrigna)) + (eq ethio-secondary-language 'amharic)))) + +(defun ethio-language-to-flag (lang) + (cond + ((eq lang 'english) "eng") + ((eq lang 'tigrigna) "tir") + ((eq lang 'amharic) "amh") + (t ""))) + +;;;###autoload +(defun ethio-fidel-to-sera-region (begin end &optional secondary force) + "Replace all the FIDEL characters in the region to the SERA format. +The variable `ethio-primary-language' specifies the primary +language and `ethio-secondary-language' specifies the secondary. + +If the 3dr parameter SECONDARY is given and non-nil, try to convert +the region so that it begins in the secondary language; otherwise with +the primary language. + +If the 4th parameter FORCE is given and non-nil, convert even if the +buffer is read-only. + +See also the descriptions of the variables +`ethio-use-colen-for-colon', `ethio-use-three-dot-question', +`ethio-quote-vowel-always' and `ethio-numeric-reduction'." + + (interactive "r\nP") + (save-restriction + (narrow-to-region begin end) + (ethio-fidel-to-sera-buffer secondary force))) + +;;;###autoload +(defun ethio-fidel-to-sera-buffer (&optional secondary force) + "Replace all the FIDEL characters in the current buffer to the SERA format. +The variable `ethio-primary-language' specifies the primary +language and `ethio-secondary-language' specifies the secondary. + +If the 1st optional parameter SECONDARY is non-nil, try to convert the +region so that it begins in the secondary language; otherwise with the +primary language. + +If the 2nd optional parameter FORCE is non-nil, convert even if the +buffer is read-only. + +See also the descriptions of the variables +`ethio-use-colen-for-colon', `ethio-use-three-dot-question', +`ethio-quote-vowel-always' and `ethio-numeric-reduction'." + + (interactive "P") + (if (and buffer-read-only + (not force) + (not (y-or-n-p "Buffer is read-only. Force to convert? "))) + (error "")) + + (let ((buffer-read-only nil) + (case-fold-search nil) + (lonec nil) ;; t means previous char was a lone consonant + (fidel nil) ;; t means previous char was a FIDEL + (digit nil) ;; t means previous char was an Ethiopic digit + (flag (if (ethio-prefer-amharic-p) "\\~amh " "\\~tir ")) + mode ch) + + ;; user's preference in transcription + (if ethio-use-colon-for-colon + (progn + (aset ethio-fidel-to-sera-map 353 "`:") + (aset ethio-fidel-to-sera-map 357 ":")) + (aset ethio-fidel-to-sera-map 353 " : ") + (aset ethio-fidel-to-sera-map 357 "-:")) + + (if ethio-use-three-dot-question + (progn + (aset ethio-fidel-to-sera-map 359 "?") + (aset ethio-fidel-to-sera-map 463 "`?")) + (aset ethio-fidel-to-sera-map 359 "`?") + (aset ethio-fidel-to-sera-map 463 "?")) + + (mapcar + '(lambda (x) + (aset (aref ethio-fidel-to-sera-map x) + 2 + (if ethio-W-sixth-always ?' ?u))) + '(77 93 141 181 197 277 440 441 442 443 444 457)) + + (if (ethio-prefer-amharic-p) + (aset ethio-fidel-to-sera-map 160 "a") + (aset ethio-fidel-to-sera-map 160 "e")) + ;; end of user's preference + + ;; first, decompose geminated characters + (decompose-region (point-min) (point-max)) + + ;; main conversion routine + (goto-char (point-min)) + (while (not (eobp)) + (setq ch (following-char)) + + (cond ; ethiopic, english, neutral + + ;; ethiopic character. must go to ethiopic mode, if not in it. + ((eq (char-charset ch) 'ethiopic) + (setq ch (ethio-char-to-ethiocode ch)) + (delete-char 1) + (if (not (eq mode 'ethiopic)) + (progn + (insert flag) + (setq mode 'ethiopic))) + + (cond ; fidel, punc, digit + + ;; fidels + ((or (<= ch 346) ; he - fYa + (and (>= ch 384) (<= ch 444)) ; `qe - pw + (and (>= ch 453) (<= ch 457))) ; wWe - wW + (if (and (memq ch '(160 161 162 163 164 166 167)) ; (e - ea) + (or lonec + (and ethio-quote-vowel-always + fidel))) + (insert "'")) + (insert (aref ethio-fidel-to-sera-map ch)) + (setq lonec (ethio-lone-consonant-p ch) + fidel t + digit nil)) + + ;; punctuations or icons + ((or (and (>= ch 353) (<= ch 360)) ; : - :|: + (>= ch 458) ; '' - ? + (and (>= ch 448) (<= ch 452))) ; \~X \~e \~E \~a \~A + (insert (aref ethio-fidel-to-sera-map ch)) + (setq lonec nil + fidel nil + digit nil)) + + ;; now CH must be an ethiopic digit + + ;; reduction = 0 or not preceded by Ethiopic number(s) + ((or (= ethio-numeric-reduction 0) + (not digit)) + (insert "`" (aref ethio-fidel-to-sera-map ch)) + (setq lonec nil + fidel nil + digit t)) + + ;; reduction = 2 and following 10s, 100s, 10000s + ((and (= ethio-numeric-reduction 2) + (memq ch '(370 379 380))) + (insert (substring (aref ethio-fidel-to-sera-map ch) 1)) + (setq lonec nil + fidel nil + digit t)) + + ;; ordinary following digits + (t + (insert (aref ethio-fidel-to-sera-map ch)) + (setq lonec nil + fidel nil + digit t)))) + + ;; english character. must go to english mode, if not in it. + ((or (and (>= ch ?a) (<= ch ?z)) + (and (>= ch ?A) (<= ch ?Z))) + (if (not (eq mode 'english)) + (insert "\\~eng ")) + (forward-char 1) + (setq mode 'english + lonec nil + fidel nil + digit nil)) + + ;; ch can appear both in ethiopic section and in english section. + (t + + ;; we must decide the mode, if not decided yet + (if (null mode) + (progn + (setq mode + (if secondary + ethio-secondary-language + ethio-primary-language)) + (if (eq mode 'english) + (insert "\\~eng ") + (insert flag) + (setq mode 'ethiopic)))) ; tigrigna & amharic --> ethiopic + + (cond ; \ , eng-mode , punc , w3 , other + + ;; backslash is always quoted + ((= ch ?\\ ) + (insert "\\") + (forward-char 1)) + + ;; nothing to do if in english mode + ((eq mode 'english) + (forward-char 1)) + + ;; now we must be in ethiopic mode and seeing a non-"\" + + ;; ascii punctuations in ethiopic mode + ((looking-at "[,.;:'`?]+") + (insert "\\") + (goto-char (1+ (match-end 0)))) ; because we inserted one byte (\) + + ;; skip from "<" to ">" (or from "&" to ";") if called from w3 + ((and (boundp 'sera-being-called-by-w3) + sera-being-called-by-w3 + (or (= ch ?<) (= ch ?&))) + (search-forward (if (= ch ?<) ">" ";") + nil 0)) + + ;; neutral character. no need to quote. just skip it. + (t + (forward-char 1))) + + (setq lonec nil + fidel nil + digit nil))) + ;; end of main conversion routine + ))) + +(defun ethio-lone-consonant-p (ethiocode) + "If ETHIOCODE is an Ethiopic lone consonant, return t." + (or (and (< ethiocode 344) (= (% ethiocode 8) 5)) + + ;; `q `k X `g mW bW GW fW pW wW + (memq ethiocode '(389 405 421 437 440 441 442 443 444 457)))) + +;;;###autoload +(defun ethio-fidel-to-sera-mail nil + "Convert FIDEL to SERA to read/write mail and news. + +If the body contains at least one Ethiopic character, + 1) insert the string \"<sera>\" at the beginning of the body, + 2) insert \"</sera>\" at the end of the body, and + 3) convert the body into SERA. + +The very same procedure applies to the subject field, too." + + (interactive) + (let ((buffer-read-only nil) + border) + (save-excursion + + ;; look for the header-body separator + (goto-char (point-min)) + (if (search-forward + (if (eq major-mode 'rmail-mode) + "\n\n" (concat "\n" mail-header-separator "\n")) + nil t) + (setq border (point)) + (error "header separator not found")) + + ;; process body first not to change the border + ;; note that the point is already at the border + (if (re-search-forward "\\ce" nil t) + (progn + (ethio-fidel-to-sera-region border (point-max)) + (goto-char border) + (insert "<sera>") + (goto-char (point-max)) + (insert "</sera>"))) + + ;; process subject + (goto-char (point-min)) + (if (re-search-forward "^Subject: " border t) + (let ((beg (point)) + (end (line-end-position))) + (if (re-search-forward "\\ce" end t) + (progn + (ethio-fidel-to-sera-region beg end) + (goto-char beg) + (insert "<sera>") + (end-of-line) + (insert "</sera>"))))) + + ;; adjust the rmail marker + (if (eq major-mode 'rmail-mode) + (set-marker + (aref rmail-message-vector (1+ rmail-current-message)) + (point-max)))))) + +;;;###autoload +(defun ethio-fidel-to-sera-marker (&optional force) + "Convert the regions surrounded by \"<sera>\" and \"</sera>\" from FIDEL to SERA. +The markers \"<sera>\" and \"</sera>\" themselves are not deleted." + + (interactive "P") + (if (and buffer-read-only + (not force) + (not (y-or-n-p "Buffer is read-only. Force to convert? "))) + (error "")) + (save-excursion + (goto-char (point-min)) + (while (re-search-forward "<sera>" nil t) + (ethio-fidel-to-sera-region + (point) + (if (re-search-forward "</sera>" nil t) + (match-beginning 0) + (point-max)) + nil + 'force)))) + +;; +;; vowel modification +;; + +;;;###autoload +(defun ethio-modify-vowel nil + "Modify the vowel of the FIDEL that is under the cursor." + (interactive) + (let ((ch (following-char)) + (composite nil) ; geminated or not + newch base vowel modulo) + + (cond + ;; in case of gemination + ((eq (char-charset ch) 'composition) + (setq ch (string-to-char (decompose-composite-char ch)) + composite t)) + ;; neither gemination nor fidel + ((not (eq (char-charset ch) 'ethiopic)) + (error "Not a valid character."))) + + ;; set frequently referred character features + (setq ch (ethio-char-to-ethiocode ch) + base (* (/ ch 8) 8) + modulo (% ch 8)) + + (if (or (and (>= ch 344) (<= ch 380)) ;; mYa - `10000 + (and (>= ch 448) (<= ch 452)) ;; \~X - \~A + (>= ch 458)) ;; private punctuations + (error "Not a valid character.")) + + (setq + newch + (cond + + ;; first standalone vowels + ((= base 160) + (if (ethio-prefer-amharic-p) + (message "Modify vowel to: [auiAEIoW\"] ") + (message "Modify vowel to: [euiAEIoW\"] ")) + (setq vowel (read-char)) + (cond + ((= vowel ?e) 160) + ((= vowel ?u) 161) + ((= vowel ?i) 162) + ((= vowel ?A) 163) + ((= vowel ?E) 164) + ((= vowel ?I) 165) + ((= vowel ?o) 166) + ((= vowel ?W) 167) + ((= vowel ?a) (if (ethio-prefer-amharic-p) 160 163)) + ((= vowel ?\") (setq composite t) ch) + (t nil))) + + ;; second standalone vowels + ((= base 208) + (message "Modify vowel to: [euiaEIo\"] ") + (setq vowel (read-char)) + (cond + ((= vowel ?e) 208) + ((= vowel ?u) 209) + ((= vowel ?i) 210) + ((= vowel ?a) 211) + ((= vowel ?E) 212) + ((= vowel ?I) 213) + ((= vowel ?o) 214) + ((= vowel ?\") (setq composite t) ch) + (t nil))) + + ;; 12-form consonants, *W* form + ((memq base '(72 88 136 176 192 272)) ; qW QW hW kW KW gW + (message "Modify vowel to: [euiaE'\"] ") + (setq vowel (read-char)) + (cond + ((= vowel ?e) base) + ((= vowel ?u) (+ base 5)) + ((= vowel ?i) (+ base 2)) + ((= vowel ?a) (+ base 3)) + ((= vowel ?E) (+ base 4)) + ((= vowel ?') (+ base 5)) + ((= vowel ?\") (setq composite t) ch) + (t nil))) + + ;; extended 12-form consonants, mWa bWa GWa fWa pWa + ((= ch 31) ; mWa + (message "Modify vowel to: [euiaE'\"] ") + (setq vowel (read-char)) + (cond + ((= vowel ?e) 392) + ((= vowel ?u) 440) + ((= vowel ?i) 408) + ((= vowel ?a) ch) + ((= vowel ?E) 424) + ((= vowel ?') 440) + ((= vowel ?\") (setq composite t) ch) + (t nil))) + ((= ch 103) ; bWa + (message "Modify vowel to: [euiaE'\"] ") + (setq vowel (read-char)) + (cond + ((= vowel ?e) 393) + ((= vowel ?u) 441) + ((= vowel ?i) 409) + ((= vowel ?a) ch) + ((= vowel ?E) 425) + ((= vowel ?') 441) + ((= vowel ?\") (setq composite t) ch) + (t nil))) + ((= ch 287) ; GWa + (message "Modify vowel to: [euiaE'\"] ") + (setq vowel (read-char)) + (cond + ((= vowel ?e) 394) + ((= vowel ?u) 442) + ((= vowel ?i) 410) + ((= vowel ?a) ch) + ((= vowel ?E) 426) + ((= vowel ?') 442) + ((= vowel ?\") (setq composite t) ch) + (t nil))) + ((= ch 335) ; fWa + (message "Modify vowel to: [euiaE'\"] ") + (setq vowel (read-char)) + (cond + ((= vowel ?e) 395) + ((= vowel ?u) 443) + ((= vowel ?i) 411) + ((= vowel ?a) ch) + ((= vowel ?E) 427) + ((= vowel ?') 443) + ((= vowel ?\") (setq composite t) ch) + (t nil))) + ((= ch 343) ; pWa + (message "Modify vowel to: [euiaE'\"] ") + (setq vowel (read-char)) + (cond + ((= vowel ?e) 396) + ((= vowel ?u) 444) + ((= vowel ?i) 412) + ((= vowel ?a) ch) + ((= vowel ?E) 428) + ((= vowel ?') 444) + ((= vowel ?\") (setq composite t) ch) + (t nil))) + + ;; extended 12-form consonatns, mW* bW* GW* fW* pW* + ((memq base '(392 408 424 440)) ; *We *Wi *WE *W + (message "Modify vowel to: [eiEau'\"] ") + (setq vowel (read-char)) + (cond + ((= vowel ?e) (+ 392 modulo)) + ((= vowel ?i) (+ 408 modulo)) + ((= vowel ?E) (+ 424 modulo)) + ((= vowel ?a) (cond + ((= modulo 0) 31) ; mWa + ((= modulo 1) 103) ; bWa + ((= modulo 2) 287) ; GWa + ((= modulo 3) 335) ; fWa + ((= modulo 4) 343) ; pWa + (t nil))) ; never reach here + ((= vowel ?') (+ 440 modulo)) + ((= vowel ?u) (+ 440 modulo)) + ((= vowel ?\") (setq composite t) ch) + (t nil))) + + ((and (>= ch 453) (<= ch 457)) ; wWe wWi wWa wWE wW + (message "Modify vowel to: [eiaE'u\"] ") + (setq vowel (read-char)) + (cond + ((= vowel ?e) 453) + ((= vowel ?i) 454) + ((= vowel ?a) 455) + ((= vowel ?E) 456) + ((= vowel ?') 457) + ((= vowel ?u) 457) + ((= vowel ?\") (setq composite t) ch) + (t nil))) + + ;; 7-form consonants, or + ;; first 7 of 8-form consonants + ((<= modulo 6) + (message "Modify vowel to: [euiaE'o\"] ") + (setq vowel (read-char)) + (cond + ((= vowel ?e) base) + ((= vowel ?u) (+ base 1)) + ((= vowel ?i) (+ base 2)) + ((= vowel ?a) (+ base 3)) + ((= vowel ?E) (+ base 4)) + ((= vowel ?') (+ base 5)) + ((= vowel ?o) (+ base 6)) + ((= vowel ?\") (setq composite t) ch) + (t nil))) + + ;; otherwise + (t + nil))) + + (cond + + ;; could not get new character + ((null newch) + (error "Invalid vowel")) + + ;; vowel changed on a composite Fidel + (composite + (delete-char 1) + (insert + (compose-string + (concat (char-to-string (ethio-ethiocode-to-char newch)) "$(3%s(B")))) + + ;; simple vowel modification + (t + (delete-char 1) + (insert (ethio-ethiocode-to-char newch)))))) + +(defun ethio-ethiocode-to-char (ethiocode) + (make-char + 'ethiopic + (+ (/ ethiocode 94) 33) + (+ (mod ethiocode 94) 33))) + +(defun ethio-char-to-ethiocode (ch) + (and (eq (char-charset ch) 'ethiopic) + (let ((char-components (split-char ch))) + (+ (* (- (nth 1 char-components) 33) 94) + (- (nth 2 char-components) 33))))) + +;; +;; space replacement +;; + +;;;###autoload +(defun ethio-replace-space (ch begin end) + "Replace ASCII spaces with Ethiopic word separators in the region. + +In the specified region, replace word separators surrounded by two +Ethiopic characters, depending on the first parameter CH, which should +be 1, 2, or 3. + +If CH = 1, word separator will be replaced with an ASCII space. +If CH = 2, with two ASCII spaces. +If CH = 3, with the Ethiopic colon-like word separator. + +The second and third parameters BEGIN and END specify the region." + + (interactive "*cReplace spaces to: 1 (sg col), 2 (dbl col), 3 (Ethiopic)\nr") + (if (not (memq ch '(?1 ?2 ?3))) + (error "")) + (save-excursion + (save-restriction + (narrow-to-region begin end) + + (cond + ((= ch ?1) + ;; an Ethiopic word separator --> an ASCII space + (goto-char (point-min)) + (while (search-forward "$(3$h(B" nil t) + (replace-match " " nil t)) + + ;; two ASCII spaces between Ethiopic characters --> an ASCII space + (goto-char (point-min)) + (while (re-search-forward "\\(\\ce\\) \\(\\ce\\)" nil t) + (replace-match "\\1 \\2") + (goto-char (match-beginning 2)))) + + ((= ch ?2) + ;; An Ethiopic word separator --> two ASCII spaces + (goto-char (point-min)) + (while (search-forward "$(3$h(B" nil t) + (replace-match " ")) + + ;; An ASCII space between Ethiopic characters --> two ASCII spaces + (goto-char (point-min)) + (while (re-search-forward "\\(\\ce\\) \\(\\ce\\)" nil t) + (replace-match "\\1 \\2") + (goto-char (match-beginning 2)))) + + (t + ;; One or two ASCII spaces between Ethiopic characters + ;; --> An Ethiopic word separator + (goto-char (point-min)) + (while (re-search-forward "\\(\\ce\\) ?\\(\\ce\\)" nil t) + (replace-match "\\1$(3$h(B\\2") + (goto-char (match-beginning 2))) + + ;; Three or more ASCII spaces between Ethiopic characters + ;; --> An Ethiopic word separator + (N - 2) ASCII spaces + (goto-char (point-min)) + (while (re-search-forward "\\(\\ce\\) \\( *\\ce\\)" nil t) + (replace-match "\\1$(3$h(B\\2") + (goto-char (match-beginning 2)))))))) + +;; +;; special icons +;; + +;;;###autoload +(defun ethio-input-special-character (arg) + "Allow the user to input special characters." + (interactive "*cInput number: 1.$(3%j(B 2.$(3%k(B 3.$(3%l(B 4.$(3%m(B 5.$(3%i(B") + (cond + ((= arg ?1) + (insert "$(3%j(B")) + ((= arg ?2) + (insert "$(3%k(B")) + ((= arg ?3) + (insert "$(3%l(B")) + ((= arg ?4) + (insert "$(3%m(B")) + ((= arg ?5) + (insert "$(3%i(B")) + (t + (error "")))) + +;; +;; TeX support +;; + +(defconst ethio-fidel-to-tex-map + [ "heG" "huG" "hiG" "haG" "hEG" "hG" "hoG" "" ;; 0 - 7 + "leG" "luG" "liG" "laG" "lEG" "lG" "loG" "lWaG" ;; 8 + "HeG" "HuG" "HiG" "HaG" "HEG" "HG" "HoG" "HWaG" ;; 16 + "meG" "muG" "miG" "maG" "mEG" "mG" "moG" "mWaG" ;; 24 + "sseG" "ssuG" "ssiG" "ssaG" "ssEG" "ssG" "ssoG" "ssWaG" ;; 32 + "reG" "ruG" "riG" "raG" "rEG" "rG" "roG" "rWaG" ;; 40 + "seG" "suG" "siG" "saG" "sEG" "sG" "soG" "sWaG" ;; 48 + "xeG" "xuG" "xiG" "xaG" "xEG" "xG" "xoG" "xWaG" ;; 56 + "qeG" "quG" "qiG" "qaG" "qE" "qG" "qoG" "" ;; 64 + "qWeG" "" "qWi" "qWaG" "qWEG" "qWG" "" "" ;; 72 + "QeG" "QuG" "QiG" "QaG" "QEG" "QG" "QoG" "" ;; 80 + "QWeG" "" "QWiG" "QWaG" "QWEG" "QWG" "" "" ;; 88 + "beG" "buG" "biG" "baG" "bEG" "bG" "boG" "bWaG" ;; 96 + "veG" "vuG" "viG" "vaG" "vEG" "vG" "voG" "vWaG" ;; 104 + "teG" "tuG" "tiG" "taG" "tEG" "tG" "toG" "tWaG" ;; 112 + "ceG" "cuG" "ciG" "caG" "cEG" "cG" "coG" "cWaG" ;; 120 + "hheG" "hhuG" "hhiG" "hhaG" "hhEG" "hhG" "hhoG" "" ;; 128 + "hWeG" "" "hWiG" "hWaG" "hWEG" "hWG" "" "" ;; 136 + "neG" "nuG" "niG" "naG" "nEG" "nG" "noG" "nWaG" ;; 144 + "NeG" "NuG" "NiG" "NaG" "NEG" "NG" "NoG" "NWaG" ;; 152 + "eG" "uG" "iG" "AG" "EG" "IG" "oGG" "eaG" ;; 160 + "keG" "kuG" "kiG" "kaG" "kEG" "kG" "koG" "" ;; 168 + "kWeG" "" "kWiG" "kWa" "kWEG" "kWG" "" "" ;; 176 + "KeG" "KuG" "KiG" "KaG" "KEG" "KG" "KoG" "" ;; 184 + "KWeG" "" "KWiG" "KWa" "KWEG" "KWG" "" "" ;; 192 + "weG" "wuG" "wiG" "waG" "wEG" "wG" "woG" "" ;; 200 + "eeG" "uuG" "iiG" "aaG" "EEG" "IIG" "ooG" "" ;; 208 + "zeG" "zuG" "ziG" "zaG" "zEG" "zG" "zoG" "zWaG" ;; 216 + "ZeG" "ZuG" "ZiG" "ZaG" "ZEG" "ZG" "ZoG" "ZWaG" ;; 224 + "yeG" "yuG" "yiG" "yaG" "yEG" "yG" "yoG" "yWaG" ;; 232 + "deG" "duG" "diG" "daG" "dEG" "dG" "doG" "dWaG" ;; 240 + "DeG" "DuG" "DiG" "DaG" "DEG" "DG" "DoG" "DWaG" ;; 248 + "jeG" "juG" "jiG" "jaG" "jEG" "jG" "joG" "jWaG" ;; 256 + "geG" "guG" "giG" "gaG" "gEG" "gG" "goG" "" ;; 264 + "gWeG" "" "gWiG" "gWaG" "gWEG" "gWG" "" "" ;; 272 + "GeG" "GuG" "GiG" "GaG" "GEG" "GG" "GoG" "GWaG" ;; 280 + "TeG" "TuG" "TiG" "TaG" "TEG" "TG" "ToG" "TWaG" ;; 288 + "CeG" "CuG" "CiG" "CaG" "CEG" "CG" "CoG" "CWaG" ;; 296 + "PeG" "PuG" "PiG" "PaG" "PEG" "PG" "PoG" "PWaG" ;; 304 + "SeG" "SuG" "SiG" "SaG" "SEG" "SG" "SoG" "SWaG" ;; 312 + "SSeG" "SSuG" "SSiG" "SSaG" "SSEG" "SSG" "SSoG" "" ;; 320 + "feG" "fuG" "fiG" "faG" "fEG" "fG" "foG" "fWaG" ;; 328 + "peG" "puG" "piG" "paG" "pEG" "pG" "poG" "pWaG" ;; 336 + "mYaG" "rYaG" "fYaG" "" "" "" "" "" ;; 344 + "" "spaceG" "periodG" "commaG" ;; 352 + "semicolonG" "colonG" "precolonG" "oldqmarkG" ;; 356 + "pbreakG" "andG" "huletG" "sostG" "aratG" "amstG" "sadstG" "sabatG" ;; 360 + "smntG" "zeteNG" "asrG" "heyaG" "selasaG" "arbaG" "hemsaG" "slsaG" ;; 368 + "sebaG" "semanyaG" "zeTanaG" "metoG" "asrxiG" "" "" "" ;; 376 + "qqeG" "qquG" "qqiG" "qqaG" "qqEG" "qqG" "qqoG" "" ;; 384 + "mWeG" "bWeG" "GWeG" "fWeG" "pWeG" "" "" "" ;; 392 + "kkeG" "kkuG" "kkiG" "kkaG" "kkEG" "kkG" "kkoG" "" ;; 400 + "mWiG" "bWiG" "GWiG" "fWiG" "pWiG" "" "" "" ;; 408 + "XeG" "XuG" "GXiG" "XaG" "XEG" "XG" "XoG" "" ;; 416 + "mWEG" "bWEG" "GWEG" "fWEG" "pWEG" "" "" "" ;; 424 + "ggeG" "gguG" "ggiG" "ggaG" "ggEG" "ggG" "ggoG" "" ;; 432 + "mWG" "bWG" "GWG" "fWG" "pWG" "" "" "" ;; 440 + "ornamentG" "flandG" "iflandG" "africaG" ;; 448 + "iafricaG" "wWeG" "wWiG" "wWaG" ;; 452 + "wWEG" "wWG" "" "slaqG" "dotG" "lquoteG" "rquoteG" "qmarkG" ]) ;; 456 + +;; +;; To make tex-to-fidel mapping. +;; The following code makes +;; (get 'ethio-tex-command-he 'ethio-fidel-char) ==> ?$(3!!(B +;; etc. +;; + +(let ((i 0) str) + (while (< i (length ethio-fidel-to-tex-map)) + (setq str (aref ethio-fidel-to-tex-map i)) + (if (not (string= str "")) + (put + (intern (concat "ethio-tex-command-" (aref ethio-fidel-to-tex-map i))) + 'ethio-fidel-char + (ethio-ethiocode-to-char i))) + (setq i (1+ i)))) + +;;;###autoload +(defun ethio-fidel-to-tex-buffer nil + "Convert each fidel characters in the current buffer into a fidel-tex command. +Each command is always surrounded by braces." + (interactive) + (let ((buffer-read-only nil)) + + ;; Isolated gemination marks need special treatement + (goto-char (point-min)) + (while (search-forward "$(3%s(B" nil t) + (replace-match "\\geminateG{}" t t)) + + ;; First, decompose geminations + ;; Here we assume that each composed character consists of + ;; one Ethiopic character and the Ethiopic gemination mark. + (decompose-region (point-min) (point-max)) + + ;; Special treatment for geminated characters + ;; The geminated character (la'') will be "\geminateG{\la}". + (goto-char (point-min)) + (while (search-forward "$(3%s(B" nil t) + (delete-backward-char 1) + (backward-char 1) + (insert "\\geminateG") + (forward-char 1)) + + ;; Ethiopic characters to TeX macros + (goto-char (point-min)) + (while (re-search-forward "\\ce" nil t) + (insert + "{\\" + (aref ethio-fidel-to-tex-map + (prog1 (ethio-char-to-ethiocode (preceding-char)) + (backward-delete-char 1))) + "}")) + (goto-char (point-min)) + (set-buffer-modified-p nil))) + +;;;###autoload +(defun ethio-tex-to-fidel-buffer nil + "Convert fidel-tex commands in the current buffer into fidel chars." + (interactive) + (let ((buffer-read-only nil) + (p) (ch)) + + ;; Special treatment for gemination + ;; "\geminateG{\la}" or "\geminateG{{\la}}" will be "\la$(3%s(B" + ;; "\geminateG{}" remains unchanged. + (goto-char (point-min)) + (while (re-search-forward "\\\\geminateG{\\(\\\\[a-zA-Z]+\\)}" nil t) + (replace-match "\\1$(3%s(B")) + + ;; TeX macros to Ethiopic characters + (goto-char (point-min)) + (while (search-forward "\\" nil t) + (setq p (point)) + (skip-chars-forward "a-zA-Z") + (setq ch + (get (intern (concat "ethio-tex-command-" + (buffer-substring p (point)))) + 'ethio-fidel-char)) + (if ch + (progn + (delete-region (1- p) (point)) ; don't forget the preceding "\" + (if (and (= (preceding-char) ?{) + (= (following-char) ?})) + (progn + (backward-delete-char 1) + (delete-char 1))) + (insert ch)))) + + ;; compose geminated characters + (goto-char (point-min)) + (while (re-search-forward "\\ce$(3%s(B" nil 0) + (compose-region + (save-excursion (backward-char 2) (point)) + (point))) + + ;; Now it's time to convert isolated gemination marks. + (goto-char (point-min)) + (while (search-forward "\\geminateG{}" nil t) + (replace-match "$(3%s(B")) + + (goto-char (point-min)) + (set-buffer-modified-p nil))) + +;; +;; Java support +;; + +;;;###autoload +(defun ethio-fidel-to-java-buffer nil + "Convert Ethiopic characters into the Java escape sequences. + +Each escape sequence is of the form \uXXXX, where XXXX is the +character's codepoint (in hex) in Unicode. + +If `ethio-java-save-lowercase' is non-nil, use [0-9a-f]. +Otherwise, [0-9A-F]." + (let ((ucode)) + + ;; first, decompose geminations + (decompose-region (point-min) (point-max)) + + (goto-char (point-min)) + (while (re-search-forward "\\ce" nil t) + (setq ucode (+ ?\x1200 (ethio-char-to-ethiocode (preceding-char)))) + (if (> ucode ?\x13bc) + (setq ucode (+ ucode 59952))) + (delete-backward-char 1) + (if ethio-java-save-lowercase + (insert (format "\\u%4x" ucode)) + (insert (upcase (format "\\u%4x" ucode))))))) + +;;;###autoload +(defun ethio-java-to-fidel-buffer nil + "Convert the Java escape sequences into corresponding Ethiopic characters." + (let ((ucode)) + (goto-char (point-min)) + (while (re-search-forward "\\\\u\\([0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F]\\)" nil t) + (setq ucode + (read + (concat + "?\\x" + (buffer-substring (match-beginning 1) (match-end 1))))) + (cond + ((and (>= ucode ?\x1200) (<= ucode ?\x13bc)) + (replace-match "") + (insert (ethio-ethiocode-to-char (- ucode ?\x1200)))) + ((and (>= ucode ?\xfdf1) (<= ucode ?\xfdff)) + (replace-match "") + (insert (ethio-ethiocode-to-char (- ucode 64560)))) + (t + nil))) + + ;; gemination + (goto-char (point-min)) + (while (re-search-forward "\\ce$(3%s(B" nil 0) + (compose-region + (save-excursion (backward-char 2) (point)) + (point))) + )) + +;; +;; file I/O hooks +;; + +;;;###autoload +(defun ethio-find-file nil + "Transcribe file content into Ethiopic dependig on filename suffix." + (cond + + ((string-match "\\.sera$" (buffer-file-name)) + (save-excursion + (ethio-sera-to-fidel-buffer nil 'force) + (set-buffer-modified-p nil))) + + ((string-match "\\.html$" (buffer-file-name)) + (let ((sera-being-called-by-w3 t)) + (save-excursion + (ethio-sera-to-fidel-marker 'force) + (goto-char (point-min)) + (while (re-search-forward "&[lr]aquote;" nil t) + (if (= (char-after (1+ (match-beginning 0))) ?l) + (replace-match "$(3%v(B") + (replace-match "$(3%w(B"))) + (set-buffer-modified-p nil)))) + + ((string-match "\\.tex$" (buffer-file-name)) + (save-excursion + (ethio-tex-to-fidel-buffer) + (set-buffer-modified-p nil))) + + ((string-match "\\.java$" (buffer-file-name)) + (save-excursion + (ethio-java-to-fidel-buffer) + (set-buffer-modified-p nil))) + + (t + nil))) + +;;;###autoload +(defun ethio-write-file nil + "Transcribe Ethiopic characters in ASCII depending on the file extension." + (cond + + ((string-match "\\.sera$" (buffer-file-name)) + (save-excursion + (ethio-fidel-to-sera-buffer nil 'force) + (goto-char (point-min)) + (ethio-record-user-preference) + (set-buffer-modified-p nil))) + + ((string-match "\\.html$" (buffer-file-name)) + (save-excursion + (let ((sera-being-called-by-w3 t) + (lq (aref ethio-fidel-to-sera-map 461)) + (rq (aref ethio-fidel-to-sera-map 462))) + (aset ethio-fidel-to-sera-map 461 "«te;") + (aset ethio-fidel-to-sera-map 462 "»te;") + (ethio-fidel-to-sera-marker 'force) + (goto-char (point-min)) + (if (search-forward "<sera>" nil t) + (ethio-record-user-preference)) + (aset ethio-fidel-to-sera-map 461 lq) + (aset ethio-fidel-to-sera-map 462 rq) + (set-buffer-modified-p nil)))) + + ((string-match "\\.tex$" (buffer-file-name)) + (save-excursion + (ethio-fidel-to-tex-buffer) + (set-buffer-modified-p nil))) + + ((string-match "\\.java$" (buffer-file-name)) + (save-excursion + (ethio-fidel-to-java-buffer) + (set-buffer-modified-p nil))) + + (t + nil))) + +(defun ethio-record-user-preference nil + (if (looking-at "\\\\~\\(tir?\\|amh?\\) ") + (goto-char (match-end 0)) + (insert (if (ethio-prefer-amharic-p) "\\~amh " "\\~tir "))) + (insert (if ethio-use-colon-for-colon "\\~-: " "\\~`: ") + (if ethio-use-three-dot-question "\\~`| " "\\~`? "))) + +(add-hook 'find-file-hooks 'ethio-find-file) +(add-hook 'write-file-hooks 'ethio-write-file) +(add-hook 'after-save-hook 'ethio-find-file) + +;; +(provide 'language/ethio-util) + +;;; Local Variables: +;;; generated-autoload-file: "../loaddefs.el" +;;; End: +;;; ethio-util.el ends here