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- ;; vi-vni.mim -- Input method for Vietnames with VNI key sequence
- ;; Copyright (C) 2005, 2008
- ;; National Institute of Advanced Industrial Science and Technology (AIST)
- ;; Registration Number H15PRO112
-
- ;; This file is part of the m17n database; a sub-part of the m17n
- ;; library.
-
- ;; The m17n library is free software; you can redistribute it and/or
- ;; modify it under the terms of the GNU Lesser General Public License
- ;; as published by the Free Software Foundation; either version 2.1 of
- ;; the License, or (at your option) any later version.
-
- ;; The m17n library 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
- ;; Lesser General Public License for more details.
-
- ;; You should have received a copy of the GNU Lesser General Public
- ;; License along with the m17n library; if not, write to the Free
- ;; Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- ;; Boston, MA 02110-1301, USA.
-
- (input-method vi vni)
-
- (description (_"Vietnames input method using the VNI key sequence.
- Typing Backslash ('\\') toggles the normal mode and English mode.
- The following variables are customizable:
- tone-mark-on-last: control tone mark position in equivocal cases
- backspace-is-undo: control the action of Backspace key (delete or undo)"))
-
- (title "Ắ(VNI)")
-
- (variable
- (tone-mark-on-last
- (_"Flag to control tone mark position in equivocal cases.
- If this variable is 0 (the default), put tone mark on the first vowel
- in such equivocal cases as \"oa\", \"oe\", \"uy\".
- Otherwise, put tone mark on the last vowel.")
- 0 0 1)
-
- (backspace-is-undo
- (_"Flag to control the action of Backspace key (delete or undo).
- If this variable is 0 (the default), Backspace key deletes the previous
- character (e.g. \"q u a i s BS\" => \"quá\").
- If the value is 1, Backspace key undoes the previous key
- \(e.g. \"q u a i s BS\" => \"quai\").")
- 0 0 1))
-
- (include (t nil vi-base) macro)
- (include (t nil vi-base) map)
-
- (map
- (vowel-ext
- ("a6" ("âấầẩẫậ")) ("A6" ("ÂẤẦẨẪẬ"))
- ("a8" ("ăắằẳẵặ")) ("A8" ("ĂẮẰẲẴẶ"))
- ("e6" ("êếềểễệ")) ("E6" ("ÊẾỀỂỄỆ"))
- ("o6" ("ôốồổỗộ")) ("O6" ("ÔỐỒỔỖỘ"))
- ("o7" ("ơớờởỡợ")) ("O7" ("ƠỚỜỞỠỢ"))
- ("u7" ("ưứừửữự")) ("U7" ("ƯỨỪỬỮỰ")))
-
- (consonant-ext
- ("d9" ?─æ) ("D9" ?─É))
-
- (tone-mark
- ("0" (set SELECT 0) ?0)
- ("1" (set SELECT 1) ?1)
- ("2" (set SELECT 2) ?2)
- ("3" (set SELECT 3) ?3)
- ("4" (set SELECT 4) ?4)
- ("5" (set SELECT 5) ?5))
-
- (temporary-escape
- ("a66" "a6") ("A66" "A6")
- ("a88" "a8") ("A88" "A8")
- ("e66" "e6") ("E66" "E6")
- ("o66" "o6") ("O66" "O6")
- ("o77" "o7") ("O77" "O7")
- ("u77" "u7") ("U77" "U7")))
-
- (state
- (init
- ;; Initialize variables. C is the initial consonant. V-N is the
- ;; (N-1)th vowel from the last. C-AFTER-V is a number of consonants
- ;; typed after vowel.
- (t (set C @-1) (set V-1 0) (set V-2 0) (set V-3 0) (set C-AFTER-V 0)
- (set SELECT 0))
-
- (consonant (set C @-1))
- (consonant-ext (set C @-1))
- ;; Mark M remembers the preedit position after the last vowel.
- (vowel (mark M) (set V-2 V-1) (set V-1 @-1) (shift after-v))
- (vowel-ext (mark M) (set V-2 V-1) (set V-1 @-1) (shift after-v))
- (temporary-escape (shift temporary-escape))
- (permanent-escape (shift escape-in-normal-mode)))
-
- ;; The state shifted to when a vowel is typed.
- (after-v
- (consonant (shift after-vc))
- (consonant-ext (shift after-vc))
- (vowel (mark M) (set V-3 V-2) (set V-2 V-1) (set V-1 @-1)
- (move T) (select 0) (handle-mark) (move M))
- (vowel-ext (mark M) (set V-3 V-2) (set V-2 V-1) (set V-1 @-1)
- (move T) (select 0) (handle-mark) (move M))
- (tone-mark (delete @-) (pushback 1) (shift after-t))
- (backspace (delete @-)
- (cond (V-3 (set V-1 V-2) (set V-2 V-3) (set V-3 0)
- (cond ((> TPLACE 2) (set SELECT 0))))
- (V-2 (set V-1 V-2) (set V-2 0)
- (cond ((> TPLACE 1) (set SELECT 0))))
- (1 (shift init)))))
-
- ;; The state shifted to when a consonant is typed after a vowel.
- (after-vc
- (t (set C-AFTER-V 1))
- (consonant (add C-AFTER-V 1))
- (consonant-ext (add C-AFTER-V 1))
- (tone-mark (delete @-) (pushback 1) (shift after-t))
- (backspace (delete @-)
- (sub C-AFTER-V 1)
- (cond ((= C-AFTER-V 0) (shift after-v)))))
-
- ;; The state shifted to when a tone-mark is typed.
- (after-t
- (t (set CURRENT-SELECT -1))
- (tone-mark (cond ((= CURRENT-SELECT SELECT) (move T) (select 0) (move @>)
- (shift temporary-escape))
- (1 (delete @-) (handle-mark) (set CURRENT-SELECT SELECT))))
- (nil (cond (C-AFTER-V (shift after-vc))
- (1 (shift after-v)))))
-
- (temporary-escape
- "en"
- (t (commit))
- (alnum (commit)))
-
- (escape-in-normal-mode
- "EN"
- (permanent-escape (insert "\\") (shift init))
- ;; Any other key force shifting to permanent-escape.
- (nil (shift permanent-escape)))
-
- (permanent-escape
- "EN"
- (t (set ESCAPE 1))
- (permanent-escape (shift escape-in-permanent-escape))
- ;; Unhandle any characters.
- (nil (unhandle)))
-
- (escape-in-permanent-escape
- "Ắ"
- (permanent-escape (insert "\\") (commit) (shift permanent-escape))
- ;; Any other key force shifting to init
- ))
-
- ;; Local Variables:
- ;; coding: utf-8
- ;; mode: lisp
- ;; End:
-