;;; char-db-json.el --- Character Database utility -*- coding: utf-8-er; -*-

;; Copyright (C) 1998,1999,2000,2001,2002,2003,2004,2005,2006,2007,
;;   2008,2009,2010,2011,2012,2013,2014,2015,2016 MORIOKA Tomohiko.

;; Author: MORIOKA Tomohiko <tomo@kanji.zinbun.kyoto-u.ac.jp>
;; Keywords: CHISE, Character Database, ISO/IEC 10646, UCS, Unicode, MULE.

;; This file is part of XEmacs CHISE.

;; XEmacs CHISE 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 CHISE 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 CHISE; see the file COPYING.  If not, write to
;; the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.

;;; Code:

(require 'char-db-util)
(require 'cwiki-format)

(setq char-db-ignored-attributes
      '(ideographic-products
	composition
        ;; ->HNG
	*instance@ruimoku/bibliography/title
	*instance@morpheme-entry/zh-classical))


;;; @ char-db formatters
;;;
    
(defun char-db-json-insert-char-spec (char &optional readable column
					   required-features)
  (unless column
    (setq column (current-column)))
  (let (char-spec temp-char)
    (setq char-spec (char-db-make-char-spec char))
    (unless (or (characterp char) ; char
		(condition-case nil
		    (setq char (find-char char-spec))
		  (error nil)))
      ;; define temporary character
      ;;   Current implementation is dirty.
      (setq temp-char (define-char (cons '(ideograph-daikanwa . 0)
					 char-spec)))
      (remove-char-attribute temp-char 'ideograph-daikanwa)
      (setq char temp-char))
    (char-db-json-insert-char-features char
				       readable
				       (union (mapcar #'car char-spec)
					      required-features)
				       nil 'for-sub-node)
    (when temp-char
      ;; undefine temporary character
      ;;   Current implementation is dirty.
      (setq char-spec (char-attribute-alist temp-char))
      (while char-spec
	(remove-char-attribute temp-char (car (car char-spec)))
	(setq char-spec (cdr char-spec))))))

(defun char-db-json-insert-alist (alist &optional readable column)
  (unless column
    (setq column (current-column)))
  (let ((line-breaking
	 (concat "\n" (make-string (1+ column) ?\ )))
	name value
	ret al ; cal
	key
	lbs cell rest separator)
    (insert "(")
    (while alist
      (setq name (car (car alist))
	    value (cdr (car alist)))
      (cond ((eq name 'char)
	     (insert "(char . ")
	     (if (setq ret (condition-case nil
			       (find-char value)
			     (error nil)))
		 (progn
		   (setq al nil
			 ;; cal nil
			 )
		   (while value
		     (setq key (car (car value)))
                     ;; (if (find-charset key)
                     ;;     (setq cal (cons key cal))
		     (setq al (cons key al))
		     ;; )
		     (setq value (cdr value)))
		   (insert-char-attributes ret
					   readable
					   (or al 'none) ; cal
					   nil 'for-sub-node))
	       (insert (prin1-to-string value)))
	     (insert ")")
	     (insert line-breaking))
	    ((consp value)
	     (insert (format "(%-18s " name))
	     (setq lbs (concat "\n" (make-string (current-column) ?\ )))
	     (while (consp value)
	       (setq cell (car value))
	       (if (and (consp cell)
			(consp (car cell))
			(setq ret (condition-case nil
				      (find-char cell)
				    (error nil)))
			)
		   (progn
		     (setq rest cell
			   al nil
			   ;; cal nil
			   )
		     (while rest
		       (setq key (car (car rest)))
                       ;; (if (find-charset key)
                       ;;     (setq cal (cons key cal))
		       (setq al (cons key al))
		       ;; )
		       (setq rest (cdr rest)))
		     (if separator
			 (insert lbs))
		     (insert-char-attributes ret
					     readable
					     al ; cal
					     nil 'for-sub-node)
		     (setq separator lbs))
		 (if separator
		     (insert separator))
		 (insert (prin1-to-string cell))
		 (setq separator " "))
	       (setq value (cdr value)))
	     (insert ")")
	     (insert line-breaking))
	    (t
	     (insert (format "(%-18s . %S)%s"
			     name value
			     line-breaking))))
      (setq alist (cdr alist))))
  (insert ")"))

(defun char-db-json-insert-char-reference (plist &optional readable column)
  (unless column
    (setq column (current-column)))
  (let ((line-breaking
	 (concat "\n" (make-string (1+ column) ?\ )))
	(separator "")
	name value)
    (insert "{")
    (while plist
      (setq name (pop plist))
      (setq value (pop plist))
      (cond ((eq name :char)
	     (insert separator)
	     (insert "\"char\":\t")
	     (cond ((numberp value)
		    (setq value (decode-char '=ucs value)))
                   ;; ((consp value)
                   ;;  (setq value (or (find-char value)
                   ;;                  value)))
		   )
	     (char-db-json-insert-char-spec value readable)
             (insert line-breaking)
	     (setq separator ""))
	    ((eq name :radical)
	     (insert (format "%s%s\t%d, \"_comment\": \"%c\"%s"
			     separator
			     name value
			     (ideographic-radical value)
			     line-breaking))
	     (setq separator ""))
            (t
	     (insert (format "%s%s\t%S" separator name value))
	     (setq separator line-breaking)))
      ))
  (insert " }"))

(defun char-db-json-insert-ccs-feature (name value line-breaking)
  (cond
   ((integerp value)
    (insert
     (format
      (cond
       ((memq name '(=>iwds-1
		     ==shinjigen
		     =shinjigen
		     =shinjigen@1ed ==shinjigen@1ed
		     =shinjigen@rev ==shinjigen@rev
		     =shinjigen/+p@rev ==shinjigen/+p@rev
		     ===daikanwa/ho ==daikanwa/ho
		     =daikanwa/ho =>>daikanwa/ho =>daikanwa/ho))
	" %-20s  %4d,\t\"_comment\": \"%c")
       ((eq name '=shinjigen@1ed/24pr)
	" %-20s  %4d,\t\"_comment\": \"%c")
       ((or
	 (memq name
	       '(===daikanwa
		 ==daikanwa =daikanwa =>>daikanwa =>daikanwa
		 =daikanwa@rev1 =daikanwa@rev2
		 =daikanwa/+p ==daikanwa/+p ===daikanwa/+p
		 =>>daikanwa/+p
		 =daikanwa/+2p =>>daikanwa/+2p
		 =gt ==gt ===gt
		 =>>gt =+>gt =>gt
		 =gt-k ==gt-k ===gt-k
		 =>>gt-k =>gt-k
		 =adobe-japan1-0 ==adobe-japan1-0 ===adobe-japan1-0
		 =adobe-japan1-1 ==adobe-japan1-1 ===adobe-japan1-1
		 =adobe-japan1-2 ==adobe-japan1-2 ===adobe-japan1-2
		 =adobe-japan1-3 ==adobe-japan1-3 ===adobe-japan1-3
		 =adobe-japan1-4 ==adobe-japan1-4 ===adobe-japan1-4
		 =adobe-japan1-5 ==adobe-japan1-5 ===adobe-japan1-5
		 =adobe-japan1-6 ==adobe-japan1-6 ===adobe-japan1-6
		 =>>adobe-japan1-0 =+>adobe-japan1-0
		 =>>adobe-japan1-1 =+>adobe-japan1-1
		 =>>adobe-japan1-2 =+>adobe-japan1-2
		 =>>adobe-japan1-3 =+>adobe-japan1-3
		 =>>adobe-japan1-4 =+>adobe-japan1-4
		 =>>adobe-japan1-5 =+>adobe-japan1-5
		 =>>adobe-japan1-6 =+>adobe-japan1-6
		 =>cbeta =cbeta =>>cbeta ==cbeta ===cbeta
		 =zinbun-oracle =>zinbun-oracle
		 ===hng-jou ===hng-keg ===hng-dng ===hng-mam
		 ===hng-drt ===hng-kgk ===hng-myz ===hng-kda
		 ===hng-khi ===hng-khm ===hng-hok ===hng-kyd ===hng-sok
		 ===hng-yhk ===hng-kak ===hng-kar ===hng-kae
		 ===hng-sys ===hng-tsu ===hng-tzj
		 ===hng-hos ===hng-nak ===hng-jhk
		 ===hng-hod ===hng-gok ===hng-ink ===hng-nto
		 ===hng-nkm ===hng-k24 ===hng-nkk
		 ===hng-kcc ===hng-kcj ===hng-kbk ===hng-sik
		 ===hng-skk ===hng-kyu ===hng-ksk ===hng-wan
		 ===hng-okd ===hng-wad ===hng-kmi
		 ===hng-zkd ===hng-doh ===hng-jyu
		 ===hng-tzs ===hng-kss ===hng-kyo
		 ===hng-smk))
	 ;; (string-match "^=adobe-" (symbol-name name))
	 )
	" %-20s %5d,\t\"_comment\": \"%c")
       ((memq name '(=hanyo-denshi/ks
		     ==hanyo-denshi/ks ===hanyo-denshi/ks
		     =>>hanyo-denshi/ks
		     =koseki ==koseki
		     =mj ==mj ===mj =>>mj =>mj
		     =zihai mojikyo))
	" %-19s %6d,\t\"_comment\": \"%c")
       ((memq name '(=hanyo-denshi/tk ==hanyo-denshi/tk))
	" %-20s %8d,\t\"_comment\": \"%c")
       ((>= (charset-dimension name) 2)
	" %-20s %5d,\t\"_comment\": \"%c")
       (t
	" %-20s   %3d,\t\"_comment\": \"%c"))
      (format "\"%s\":" name)
      (if (= (charset-iso-graphic-plane name) 1)
	  (logior value
		  (cond ((= (charset-dimension name) 1)
			 #x80)
			((= (charset-dimension name) 2)
			 #x8080)
			((= (charset-dimension name) 3)
			 #x808080)
			(t 0)))
	value)
      (char-db-decode-isolated-char name value)))
    (if (and (= (charset-chars name) 94)
	     (= (charset-dimension name) 2))
	(insert (format " [%02d-%02d]\""
			(- (lsh value -8) 32)
			(- (logand value 255) 32)))
      (insert "\""))
    )
   (t
    (insert (format " %-20s %s"
		    (format "\"%s\":" name) value))
    ))
  )

(defun char-db-json-insert-relation-feature (char name value line-breaking
					     ccss readable)
  (insert (format " %-20s [%s    "
		  (format "\"%s\":" name) line-breaking))
  (let ((lbs (concat "\n" (make-string (current-column) ?\ )))
	separator cell sources required-features
	ret)
    (if (characterp value)
	(setq value (list value)))
    (while (consp value)
      (setq cell (car value))
      (if (integerp cell)
	  (setq cell (decode-char '=ucs cell)))
      (cond
       ((eq name '->subsumptive)
	(when (or (not (some (lambda (atr)
			       (get-char-attribute cell atr))
			     char-db-ignored-attributes))
		  (some (lambda (ccs)
			  (encode-char cell ccs 'defined-only))
			ccss))
	  (if separator
	      (insert separator)
	    (setq separator (format ",%s" lbs)))
	  (let ((char-db-ignored-attributes
		 (cons '<-subsumptive
		       char-db-ignored-attributes)))
	    (char-db-json-insert-char-features
	     cell readable nil nil 'for-sub-node))
	  )
	)
       ((characterp cell)
	(setq sources
	      (get-char-attribute
	       char (intern (format "%s*sources" name))))
	(setq required-features nil)
	(dolist (source sources)
	  (cond
	   ((memq source '(JP
			   JP/Jouyou
			   shinjigen shinjigen@1ed shinjigen@rev))
	    (setq required-features
		  (union required-features
			 '(=jis-x0208
			   =jis-x0208@1990
			   =jis-x0213-1@2000
			   =jis-x0213-1@2004
			   =jis-x0213-2
			   =jis-x0212
			   =jis-x0208@1983
			   =jis-x0208@1978
			   =shinjigen
			   =shinjigen@1ed
			   =shinjigen@rev
			   =shinjigen/+p@rev))))
	   ((eq source 'CN)
	    (setq required-features
		  (union required-features
			 '(=gb2312
			   =gb12345
			   =iso-ir165)))))
	  (cond
	   ((find-charset (setq ret (intern (format "=%s" source))))
	    (setq required-features
		  (cons ret required-features)))
	   (t (setq required-features
		    (cons source required-features)))))
	(cond ((string-match "@JP" (symbol-name name))
	       (setq required-features
		     (union required-features
			    '(=jis-x0208
			      =jis-x0208@1990
			      =jis-x0213-1-2000
			      =jis-x0213-2-2000
			      =jis-x0212
			      =jis-x0208@1983
			      =jis-x0208@1978))))
	      ((string-match "@CN" (symbol-name name))
	       (setq required-features
		     (union required-features
			    '(=gb2312
			      =gb12345
			      =iso-ir165)))))
	(if separator
	    (insert separator)
	  (setq separator (format ",%s" lbs)))
        ;; (if readable
        ;;     (insert (format "%S" cell))
        ;;   (char-db-json-insert-char-spec cell readable
        ;;                                  nil
        ;;                                  required-features))
	(char-db-json-insert-char-spec cell readable
				       nil
				       required-features)
	)
       ((consp cell)
	(if separator
	    (insert separator)
	  (setq separator (format ",%s" lbs)))
	(if (consp (car cell))
	    (char-db-json-insert-char-spec cell readable)
	  (char-db-json-insert-char-reference cell readable))
	)
       (t
	(if separator
	    (insert separator)
	  )
	(insert (prin1-to-string cell))
	(setq separator " ")))
      (setq value (cdr value)))
    (insert " ]")))

(defun char-db-json-insert-char-features (char
					  &optional readable attributes column
					  for-sub-node)
  (unless column
    (setq column (current-column)))
  (let ((est-view-url-prefix "http://chise.org/est/view")
	id obj-id type
	name value ; has-long-ccs-name
	rest
	radical strokes
	(line-breaking
	 (concat "\n" (make-string (1+ column) ?\ )))
	line-separator
	lbs cell separator ret
	key al cal
	dest-ccss ; sources required-features
	ccss)
    (let (atr-d)
      (setq attributes
	    (sort (if attributes
		      (if (consp attributes)
			  (progn
			    (dolist (name attributes)
			      (unless (memq name char-db-ignored-attributes)
				(if (find-charset name)
				    (push name ccss))
				(push name atr-d)))
			    atr-d))
		    (dolist (name (char-attribute-list))
		      (unless (memq name char-db-ignored-attributes)
			(if (find-charset name)
			    (push name ccss))
			(push name atr-d)))
		    atr-d)
		  #'char-attribute-name<)))
    (insert
     (format "{ \"@context\": \"%s/genre/character/context.json\""
	     est-view-url-prefix))
    (setq line-separator (format ",%s" line-breaking))
    (setq id (www-uri-make-object-url char))
    (insert (format "%s \"@id\": \"%s\"" line-separator id))
    (setq obj-id (file-name-nondirectory id))
    (setq type
	  (cond
	   ((string-match "^a2\\." obj-id)
	    "chise:super-abstract-character")
	   ((string-match "^a\\." obj-id)
	    "chise:abstract-character")
	   ((string-match "^o\\." obj-id)
	    "chise:unified-glyph")
	   ((string-match "^rep\\." obj-id)
	    "chise:abstract-glyph")
	   ((string-match "^g\\." obj-id)
	    "chise:detailed-glyph")
	   ((string-match "^g2\\." obj-id)
	    "chise:abstract-glyph-form")
	   ((string-match "^gi\\." obj-id)
	    "chise:abstract-glyph-form")
	   ((string-match "^repi\\." obj-id)
	    "chise:glyph-image")
	   (t
	    "chise:character")
	   ))
    (insert (format "%s \"@type\": \"%s\"" line-separator type))
    (when (memq '<-subsumptive attributes)
      (when (or readable (not for-sub-node))
	(when (setq value (get-char-attribute char '<-subsumptive))
	  (insert line-separator)
	  (char-db-json-insert-relation-feature char '<-subsumptive value
						line-breaking
						ccss readable)
	  ))
      (setq attributes (delq '<-subsumptive attributes))
      )
    (when (and (memq '<-denotational attributes)
	       (setq value (get-char-attribute char '<-denotational)))
      (insert line-separator)
      (char-db-json-insert-relation-feature char '<-denotational value
					    line-breaking
					    ccss readable)
      (setq attributes (delq '<-denotational attributes)))
    (when (and (memq '<-denotational@component attributes)
	       (setq value
		     (get-char-attribute char '<-denotational@component)))
      (insert line-separator)
      (char-db-json-insert-relation-feature
       char '<-denotational@component value
       line-breaking
       ccss readable)
      (setq attributes (delq '<-denotational@component attributes)))
    (when (and (memq 'name attributes)
	       (setq value (get-char-attribute char 'name)))
      (insert line-separator)
      (insert (format
	       (if (> (+ (current-column) (length value)) 48)
		   " \"name\": %S"
		 " \"name\":                 %S")
	       value))
      (setq attributes (delq 'name attributes))
      )
    (when (and (memq 'name* attributes)
	       (setq value (get-char-attribute char 'name*)))
      (insert line-separator)
      (insert (format
	       (if (> (+ (current-column) (length value)) 48)
		   " \"name*\": %S"
		 " \"name*\":                 %S")
	       value))
      (setq attributes (delq 'name* attributes))
      )
    (when (and (memq 'script attributes)
	       (setq value (get-char-attribute char 'script)))
      (insert line-separator)
      (insert (format " \"script\":\t\t  %s"
		      (mapconcat (function prin1-to-string)
				 value " ")))
      (setq attributes (delq 'script attributes))
      )
    (dolist (name '(=>ucs =>ucs*))
      (when (and (memq name attributes)
		 (setq value (get-char-attribute char name)))
	(insert line-separator)
	(insert (format " \"%-20s\":  #x%04X,\t\"_comment\": \"%c\""
			name value (decode-char '=ucs value)))
	(setq attributes (delq name attributes))))
    (dolist (name '(=>ucs@gb =>ucs@big5))
      (when (and (memq name attributes)
		 (setq value (get-char-attribute char name)))
	(insert line-separator)
	(insert (format " \"%-20s\":  #x%04X,\t\"_comment\": \"%c\"%s"
			name value
			(decode-char (intern
				      (concat "="
					      (substring
					       (symbol-name name) 2)))
				     value)
			line-breaking))
	(setq attributes (delq name attributes))
	))
    (when (and (memq 'general-category attributes)
	       (setq value (get-char-attribute char 'general-category)))
      (insert line-separator)
      (insert (format
	       " \"general-category\":\t [ %s ], \"_comment\": \"%s\""
	       (mapconcat (lambda (cell)
			    (format "%S" cell))
			  value " ")
	       (cond ((rassoc value unidata-normative-category-alist)
		      "Normative Category")
		     ((rassoc value unidata-informative-category-alist)
		      "Informative Category")
		     (t
		      "Unknown Category"))
	       ))
      (setq attributes (delq 'general-category attributes))
      )
    (when (and (memq 'bidi-category attributes)
	       (setq value (get-char-attribute char 'bidi-category)))
      (insert line-separator)
      (insert (format " \"bidi-category\":\t  %S"
		      value))
      (setq attributes (delq 'bidi-category attributes))
      )
    (unless (or (not (memq 'mirrored attributes))
		(eq (setq value (get-char-attribute char 'mirrored 'empty))
		    'empty))
      (insert line-separator)
      (insert (format " \"mirrored\":\t\t  %S"
		      value))
      (setq attributes (delq 'mirrored attributes))
      )
    (cond
     ((and (memq 'decimal-digit-value attributes)
	   (setq value (get-char-attribute char 'decimal-digit-value)))
      (insert line-separator)
      (insert (format " \"decimal-digit-value\":  %S"
		      value))
      (setq attributes (delq 'decimal-digit-value attributes))
      (when (and (memq 'digit-value attributes)
		 (setq value (get-char-attribute char 'digit-value)))
	(insert line-separator)
	(insert (format " \"digit-value\":\t    %S"
			value))
	(setq attributes (delq 'digit-value attributes))
	)
      (when (and (memq 'numeric-value attributes)
		 (setq value (get-char-attribute char 'numeric-value)))
	(insert line-separator)
	(insert (format " \"numeric-value\":\t    %S"
			value))
	(setq attributes (delq 'numeric-value attributes))
	)
      )
     (t
      (when (and (memq 'digit-value attributes)
		 (setq value (get-char-attribute char 'digit-value)))
	(insert line-separator)
	(insert (format " \"digit-value\":\t %S"
			value))
	(setq attributes (delq 'digit-value attributes))
	)
      (when (and (memq 'numeric-value attributes)
		 (setq value (get-char-attribute char 'numeric-value)))
	(insert line-separator)
	(insert (format " \"numeric-value\":\t %S"
			value))
	(setq attributes (delq 'numeric-value attributes))
	)))
    (when (and (memq 'iso-10646-comment attributes)
	       (setq value (get-char-attribute char 'iso-10646-comment)))
      (insert line-separator)
      (insert (format "{\"iso-10646-comment\":\t %S}%s"
		      value
		      line-breaking))
      (setq attributes (delq 'iso-10646-comment attributes))
      )
    (when (and (memq 'morohashi-daikanwa attributes)
	       (setq value (get-char-attribute char 'morohashi-daikanwa)))
      (insert line-separator)
      (insert (format "{\"morohashi-daikanwa\":\t%s}%s"
		      (mapconcat (function prin1-to-string) value " ")
		      line-breaking))
      (setq attributes (delq 'morohashi-daikanwa attributes))
      )
    (setq radical nil
	  strokes nil)
    (when (and (memq 'ideographic-radical attributes)
	       (setq value (get-char-attribute char 'ideographic-radical)))
      (setq radical value)
      (insert line-separator)
      (insert (format " \"ideographic-radical\": %S,\t\"_comment\": \"%c\""
		      radical
		      (ideographic-radical radical)
		      ))
      (setq attributes (delq 'ideographic-radical attributes))
      )
    (when (and (memq 'shuowen-radical attributes)
	       (setq value (get-char-attribute char 'shuowen-radical)))
      (insert line-separator)
      (insert (format " \"shuowen-radical\":\t %S,\t\"_comment\": \"%c\""
		      value
		      (shuowen-radical value)))
      (setq attributes (delq 'shuowen-radical attributes))
      )
    (let (key)
      (dolist (domain
	       (append
		char-db-feature-domains
		(let (dest domain)
		  (dolist (feature (char-attribute-list))
		    (setq feature (symbol-name feature))
		    (when (string-match
			   "\\(radical\\|strokes\\)@\\([^@*]+\\)\\(\\*\\|$\\)"
			   feature)
		      (setq domain (intern (match-string 2 feature)))
		     (unless (memq domain dest)
		       (setq dest (cons domain dest)))))
		  (sort dest #'string<))))
	(setq key (intern (format "%s@%s" 'ideographic-radical domain)))
	(when (and (memq key attributes)
		   (setq value (get-char-attribute char key)))
	  (setq radical value)
	  (insert line-separator)
	  (insert (format "{\"%s\": %S},\t\"_comment\": \"%c\"%s"
			  key
			  radical
			  (ideographic-radical radical)
			  line-breaking))
	  (setq attributes (delq key attributes))
	  )
	(setq key (intern (format "%s@%s" 'ideographic-strokes domain)))
	(when (and (memq key attributes)
		   (setq value (get-char-attribute char key)))
	  (setq strokes value)
	  (insert line-separator)
	  (insert (format " \"%s\": %S"
			  key
			  strokes))
	  (setq attributes (delq key attributes))
	  )
	(setq key (intern (format "%s@%s" 'total-strokes domain)))
	(when (and (memq key attributes)
		   (setq value (get-char-attribute char key)))
	  (insert line-separator)
	  (insert (format " \"%s\":       %S"
			  key
			  value
			  ))
	  (setq attributes (delq key attributes))
	  )
	(dolist (feature '(ideographic-radical
			   ideographic-strokes
			   total-strokes))
	  (setq key (intern (format "%s@%s*sources" feature domain)))
	  (when (and (memq key attributes)
		     (setq value (get-char-attribute char key)))
	    (insert line-separator)
	    (insert (format " \"%s\":%s" key line-breaking))
	    (dolist (cell value)
	      (insert (format " %s" cell)))
	    (setq attributes (delq key attributes))
	    ))
	))
    (when (and (memq 'ideographic-strokes attributes)
	       (setq value (get-char-attribute char 'ideographic-strokes)))
      (setq strokes value)
      (insert line-separator)
      (insert (format " \"ideographic-strokes\": %S"
		      strokes
		      ))
      (setq attributes (delq 'ideographic-strokes attributes))
      )
    (when (and (memq 'kangxi-radical attributes)
	       (setq value (get-char-attribute char 'kangxi-radical)))
      (unless (eq value radical)
	(insert line-separator)
	(insert (format "{\"kangxi-radical\":\t%S},\t\"_comment\": \"%c\"%s"
			value
			(ideographic-radical value)
			line-breaking))
	(or radical
	    (setq radical value)))
      (setq attributes (delq 'kangxi-radical attributes))
      )
    (when (and (memq 'kangxi-strokes attributes)
	       (setq value (get-char-attribute char 'kangxi-strokes)))
      (unless (eq value strokes)
	(insert line-separator)
	(insert (format "{\"kangxi-strokes\":\t%S}%s"
			value
			line-breaking))
	(or strokes
	    (setq strokes value)))
      (setq attributes (delq 'kangxi-strokes attributes))
      )
    (when (and (memq 'japanese-strokes attributes)
	       (setq value (get-char-attribute char 'japanese-strokes)))
      (unless (eq value strokes)
	(insert line-separator)
	(insert (format "{\"japanese-strokes\":\t%S}%s"
			value
			line-breaking))
	(or strokes
	    (setq strokes value)))
      (setq attributes (delq 'japanese-strokes attributes))
      )
    (when (and (memq 'cns-radical attributes)
	       (setq value (get-char-attribute char 'cns-radical)))
      (insert line-separator)
      (insert (format "{\"cns-radical\":\t%S},\t\"_comment\": \"%c\"%s"
		      value
		      (ideographic-radical value)
		      line-breaking))
      (setq attributes (delq 'cns-radical attributes))
      )
    (when (and (memq 'cns-strokes attributes)
	       (setq value (get-char-attribute char 'cns-strokes)))
      (unless (eq value strokes)
	(insert line-separator)
	(insert (format "{\"cns-strokes\":\t%S}%s"
			value
			line-breaking))
	(or strokes
	    (setq strokes value)))
      (setq attributes (delq 'cns-strokes attributes))
      )
    (when (and (memq 'total-strokes attributes)
	       (setq value (get-char-attribute char 'total-strokes)))
      (insert line-separator)
      (insert (format " \"total-strokes\":       %S"
		      value
		      ))
      (setq attributes (delq 'total-strokes attributes))
      )
    (if (equal (get-char-attribute char '->titlecase)
	       (get-char-attribute char '->uppercase))
	(setq attributes (delq '->titlecase attributes)))
    (unless readable
      (dolist (ignored '(composition
			 ->denotational <-subsumptive ->ucs-unified
			 ->ideographic-component-forms))
	(setq attributes (delq ignored attributes))))
    (while attributes
      (setq name (car attributes))
      (unless (eq (setq value (get-char-attribute char name 'value-is-empty))
		  'value-is-empty)
	(cond ((setq ret (find-charset name))
	       (setq name (charset-name ret))
	       (when (not (memq name dest-ccss))
		 (setq dest-ccss (cons name dest-ccss))
		 (insert line-separator)
		 (char-db-json-insert-ccs-feature name value line-breaking))
	       )
	      ((string-match "^=>ucs@" (symbol-name name))
	       (insert line-separator)
	       (insert (format "{\"%-20s\": #x%04X},\t\"_comment\": \"%c\"%s"
			       name value (decode-char '=ucs value)
			       line-breaking))
	       )
	      ((eq name 'jisx0208-1978/4X)
	       (insert line-separator)
	       (insert (format "{\"%-20s\": #x%04X}%s"
			       name value
			       line-breaking))
	       )
	      ((and
		(not readable)
		(not (eq name '->subsumptive))
		(not (eq name '->uppercase))
		(not (eq name '->lowercase))
		(not (eq name '->titlecase))
		(not (eq name '->canonical))
		(not (eq name '->Bopomofo))
		(not (eq name '->mistakable))
		(not (eq name '->ideographic-variants))
		(null (get-char-attribute
		       char (intern (format "%s*sources" name))))
		(not (string-match "\\*sources$" (symbol-name name)))
		(null (get-char-attribute
		       char (intern (format "%s*note" name))))
		(not (string-match "\\*note$" (symbol-name name)))
		(or (eq name '<-identical)
		    (eq name '<-uppercase)
		    (eq name '<-lowercase)
		    (eq name '<-titlecase)
		    (eq name '<-canonical)
		    (eq name '<-ideographic-variants)
		    ;; (eq name '<-synonyms)
		    (string-match "^<-synonyms" (symbol-name name))
		    (eq name '<-mistakable)
		    (when (string-match "^->" (symbol-name name))
		      (cond
		       ((string-match "^->fullwidth" (symbol-name name))
			(not (and (consp value)
				  (characterp (car value))
				  (encode-char
				   (car value) '=ucs 'defined-only)))
			)
		       (t)))
		    ))
	       )
	      ((or (eq name 'ideographic-structure)
		   (eq name 'ideographic-combination)
                   ;; (eq name 'ideographic-)
		   (eq name '=decomposition)
		   (char-feature-base-name= '=decomposition name)
		   (char-feature-base-name= '=>decomposition name)
		   ;; (string-match "^=>*decomposition\\(@[^*]+\\)?$"
		   ;;               (symbol-name name))
		   (string-match "^\\(->\\|<-\\)[^*]*$" (symbol-name name))
		   (string-match "^\\(->\\|<-\\)[^*]*\\*sources$"
				 (symbol-name name))
		   )
	       (insert line-separator)
	       (char-db-json-insert-relation-feature char name value
						     line-breaking
						     ccss readable))
	      ((consp value)
	       (insert line-separator)
	       (insert (format " %-20s [ "
			       (format "\"%s\":" name)))
	       (setq lbs (concat "\n" (make-string (current-column) ?\ ))
		     separator nil)
	       (while (consp value)
		 (setq cell (car value))
		 (if (and (consp cell)
			  (consp (car cell))
			  (setq ret (condition-case nil
					(find-char cell)
				      (error nil))))
		     (progn
		       (setq rest cell
			     al nil
			     cal nil)
		       (while rest
			 (setq key (car (car rest)))
			 (if (find-charset key)
			     (setq cal (cons key cal))
			   (setq al (cons key al)))
			 (setq rest (cdr rest)))
		       (if separator
			   (insert lbs))
		       (char-db-json-insert-char-features ret
							  readable
							  al
							  nil 'for-sub-node)
		       (setq separator lbs))
		   (setq ret (prin1-to-string cell))
		   (if separator
		       (if (< (+ (current-column)
				 (length ret)
				 (length separator))
			      76)
			   (insert separator)
			 (insert lbs)))
		   (insert ret)
		   (setq separator " "))
		 (setq value (cdr value)))
	       (insert " ]")
	       )
	      (t
	       (insert line-separator)
	       (insert (format " %-20s "
			       (format "\"%s\":" name)))
	       (setq ret (prin1-to-string value))
	       (unless (< (+ (current-column)
			     (length ret)
			     3)
			  76)
		 (insert line-breaking))
	       (insert ret)
	       )
	      ))
      (setq attributes (cdr attributes)))
    (insert "\n" (make-string column ?\ ) "}")))

(defun char-db-json-char-data (char &optional readable
				    attributes column)
  (unless column
    (setq column (current-column)))
  (save-restriction
    (narrow-to-region (point)(point))
    (char-db-json-insert-char-features char readable attributes column)
    (goto-char (point-min))
    (while (re-search-forward "[ \t]+$" nil t)
      (replace-match ""))
    ;; from tabify.
    (goto-char (point-min))
    (while (re-search-forward "[ \t][ \t][ \t]*" nil t)
      (let ((column (current-column))
	    (indent-tabs-mode t))
	(delete-region (match-beginning 0) (point))
	(indent-to column)))
    (goto-char (point-max))
    ;; (tabify (point-min)(point-max))
    ))

(defun char-db-json-char-data-with-variant (char &optional printable
					   no-ucs-unified
					   script excluded-script)
  (insert "[ ")
  (char-db-json-char-data char printable)
  (let ((variants (char-variants char))
	rest
	variant vs ret
	)
    (setq variants (sort variants #'<))
    (setq rest variants)
    (setq variants (cons char variants))
    (while rest
      (setq variant (car rest))
      (unless (get-char-attribute variant '<-subsumptive)
	(if (and (or (null script)
		     (null (setq vs (get-char-attribute variant 'script)))
		     (memq script vs))
		 (or (null excluded-script)
		     (null (setq vs (get-char-attribute variant 'script)))
		     (not (memq excluded-script vs))))
	    (unless (and no-ucs-unified (get-char-attribute variant '=ucs))
	      (insert ",\n  ")
	      (char-db-json-char-data variant printable)
	      (if (setq ret (char-variants variant))
		  (while ret
		    (or (memq (car ret) variants)
                        ;; (get-char-attribute (car ret) '<-subsumptive)
			(setq rest (nconc rest (list (car ret)))))
		    (setq ret (cdr ret)))))))
      (setq rest (cdr rest)))
    (insert "\n]\n")))

(defun char-db-json-insert-char-range-data (min max
						&optional script
						excluded-script)
  (let ((code min)
	char)
    (while (<= code max)
      (setq char (decode-char '=ucs code))
      (if (encode-char char '=ucs 'defined-only)
	  (char-db-json-char-data-with-variant char nil 'no-ucs-unified
					 script excluded-script))
      (setq code (1+ code)))))

(defun write-char-range-data-to-json-file (min max file
					       &optional script
					       excluded-script)
  (let ((coding-system-for-write char-db-file-coding-system))
    (with-temp-buffer
      (insert (format "// -*- coding: %s -*-\n"
		      char-db-file-coding-system))
      (char-db-json-insert-char-range-data min max script excluded-script)
      (write-region (point-min)(point-max) file))))

;;;###autoload
(defun what-char-definition-json (char)
  (interactive (list (char-after)))
  (let ((est-hide-cgi-mode t)
	(buf (get-buffer-create "*Character Description*"))
	(the-buf (current-buffer))
	(win-conf (current-window-configuration)))
    (pop-to-buffer buf)
    (make-local-variable 'what-character-original-window-configuration)
    (setq what-character-original-window-configuration win-conf)
    (setq buffer-read-only nil)
    (erase-buffer)
    (condition-case err
	(progn
	  (char-db-json-char-data-with-variant char 'printable)
	  (unless (char-attribute-alist char)
	    (insert (format "// = %c\n"
			    (let* ((rest (split-char char))
				   (ccs (pop rest))
				   (code (pop rest)))
			      (while rest
				(setq code (logior (lsh code 8)
						   (pop rest))))
			      (decode-char ccs code)))))
          ;; (char-db-update-comment)
	  (set-buffer-modified-p nil)
	  (view-mode the-buf (lambda (buf)
			       (set-window-configuration
				what-character-original-window-configuration)
			       ))
	  (goto-char (point-min)))
      (error (progn
	       (set-window-configuration
		what-character-original-window-configuration)
	       (signal (car err) (cdr err)))))))

(defun char-db-json-batch-view ()
  (setq terminal-coding-system 'binary)
  (condition-case err
      (let* ((target (pop command-line-args-left))
	     ret genre
	     object)
	(princ "Content-Type: application/json; charset=UTF-8

")
	(cond
	 ((stringp target)
	  (when (string-match "^char=\\(&[^&;]+;\\)" target)
	    (setq ret (match-end 0))
	    (setq target
		  (concat "char="
			  (www-uri-encode-object
			   (www-uri-decode-object
			    'character (match-string 1 target)))
			  (substring target ret))))
	  (setq target
		(mapcar (lambda (cell)
			  (if (string-match "=" cell)
			      (progn
				(setq genre (substring cell 0 (match-beginning 0))
				      ret (substring cell (match-end 0)))
				(cons
				 (intern
				  (decode-uri-string genre 'utf-8-mcs-er))
				 ret))
			    (list (decode-uri-string cell 'utf-8-mcs-er))))
			(split-string target "&")))
	  (setq ret (car target))
	  (cond ((eq (car ret) 'char)
		 (setq object (www-uri-decode-object (car ret)(cdr ret)))
		 (when (characterp object)
		   (with-temp-buffer
		     (char-db-json-char-data object)
		     (encode-coding-region (point-min)(point-max)
					   char-db-file-coding-system)
		     (princ (buffer-string))
		     ))
		 )
		((eq (car ret) 'character)
		 (setq object (www-uri-decode-object (car ret)(cdr ret)))
		 (when (characterp object)
		   (with-temp-buffer
		     (char-db-json-char-data object)
		     (encode-coding-region (point-min)(point-max)
					   char-db-file-coding-system)
		     (princ (buffer-string))
		     ))
		 ))
	  ))
	)
    (error nil
	   (princ (format "%S" err)))
    ))


;;; @ end
;;;

(provide 'char-db-json)

;;; char-db-json.el ends here