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;;; sj3v2-socket.scm: SJ3 protocol version 2 for uim.
;;;
;;; Copyright (c) 2009-2011 uim Project http://code.google.com/p/uim/
;;;
;;; All rights reserved.
;;;
;;; Redistribution and use in source and binary forms, with or without
;;; modification, are permitted provided that the following conditions
;;; are met:
;;; 1. Redistributions of source code must retain the above copyright
;;; notice, this list of conditions and the following disclaimer.
;;; 2. Redistributions in binary form must reproduce the above copyright
;;; notice, this list of conditions and the following disclaimer in the
;;; documentation and/or other materials provided with the distribution.
;;; 3. Neither the name of authors nor the names of its contributors
;;; may be used to endorse or promote products derived from this software
;;; without specific prior written permission.
;;;
;;; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' AND
;;; ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
;;; IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
;;; ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE
;;; FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
;;; DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
;;; OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
;;; HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
;;; LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
;;; OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
;;; SUCH DAMAGE.
;;;;
(use srfi-1)
(require "util.scm")
(require "i18n.scm")
(require "socket.scm")
(require "lolevel.scm")
(require "process.scm") ;; getpid
;; sj3v2 protocol operators
(define $SJ3_CONNECT 1)
(define $SJ3_DISCONNECT 2)
(define $SJ3_OPENDICT 11)
(define $SJ3_CLOSEDICT 12)
(define $SJ3_OPENSTDY 21)
(define $SJ3_CLOSESTDY 22)
(define $SJ3_STDYSIZE 23)
(define $SJ3_STUDY 61)
(define $SJ3_MAKEDICT 81)
(define $SJ3_MAKESTDY 82)
(define $SJ3_MAKEDIR 83)
(define $SJ3_ACCESS 84)
(define $SJ3_PH2KNJ_EUC 111)
(define $SJ3_CL2KNJ_ALL_EUC 115)
(define $SJ3_CL2KNJ_CNT_EUC 116)
(define $SJ3_CLSTUDY_EUC 117)
(define sj3-lib-error-str-alist
`((-1 . ,(N_ "Internal server error.")) ;; SJ3_InternalError
(0 . ,(N_ "No error.")) ;; SJ3_NormalEnd
(1 . ,(N_ "Serverdown.")) ;; SJ3_ServerDown
(2 . ,(N_ "Cannot open socket.")) ;; SJ3_OpenSocket
(3 . ,(N_ "Cannot connect socket.")) ;; SJ3_ConnectSocket
(4 . ,(N_ "Unknown hostname.")) ;; SJ3_GetHostByName
(5 . ,(N_ "Not opened.")) ;; SJ3_NotOpened
(6 . ,(N_ "Not enough memory.")) ;; SJ3_NotEnoughMemory
(7 . ,(N_ "Illegal command.")) ;; SJ3_IllegalCommand
(11 . ,(N_ "Different version.")) ;; SJ3_DifferentVersion
(12 . ,(N_ "No host name.")) ;; SJ3_NoHostName
(13 . ,(N_ "No user name.")) ;; SJ3_NoUserName
(14 . ,(N_ "User not allowd.")) ;; SJ3_NotAllowedUser
(15 . ,(N_ "Already connected.")) ;; SJ3_AlreadyConnected
(16 . ,(N_ "Not connected.")) ;; SJ3_NotConnected
(21 . ,(N_ "Too long parameter.")) ;; SJ3_TooLongParameter
(22 . ,(N_ "Illegal parameter.")) ;; SJ3_IllegalParameter
(31 . ,(N_ "Bad dictionary ID.")) ;; SJ3_BadDictID
(32 . ,(N_ "Illegal dictionary file.")) ;; SJ3_IllegalDictFile
(33 . ,(N_ "Illegal study file.")) ;; SJ3_IllegalStdyFile
(34 . ,(N_ "Incorrect password.")) ;; SJ3_IncorrectPasswd
(35 . ,(N_ "File not exist.")) ;; SJ3_FileNotExist
(36 . ,(N_ "Cannot access file.")) ;; SJ3_CannotAccessFile
(37 . ,(N_ "Cannot open file.")) ;; SJ3_CannotOpenFile
(38 . ,(N_ "Cannot create file.")) ;; SJ3_CannotCreateFile
(39 . ,(N_ "File read error.")) ;; SJ3_FileReadError
(40 . ,(N_ "File write error.")) ;; SJ3_FileWriteError
(41 . ,(N_ "File seek error.")) ;; SJ3_FileSeekError
(51 . ,(N_ "Study already opened.")) ;; SJ3_StdyAlreadyOpened
(52 . ,(N_ "Study file not opened.")) ;; SJ3_StdyFileNotOpened
(53 . ,(N_ "Too small study area.")) ;; SJ3_TooSmallStdyArea
(61 . ,(N_ "Locked by other.")) ;; SJ3_LockedByOther
(62 . ,(N_ "Not locked.")) ;; SJ3_NotLocked
(71 . ,(N_ "No such dictiona2y.")) ;; SJ3_NoSuchDict
(72 . ,(N_ "Dictionary is read only.")) ;; SJ3_ReadOnlyDict
(73 . ,(N_ "Dictionary is locked.")) ;; SJ3_DictLocked
(74 . ,(N_ "Yomi string is bad.")) ;; SJ3_BadYomiString
(75 . ,(N_ "Kanji string is bad.")) ;; SJ3_BadKanjiString
(76 . ,(N_ "Hinshi code is bad.")) ;; SJ3_BadHinsiCode
(81 . ,(N_ "Add dictionary failed.")) ;; SJ3_AddDictFailed
(82 . ,(N_ "Word is already exist.")) ;; SJ3_AlreadyExistWord
(83 . ,(N_ "No more douon word.")) ;; SJ3_NoMoreDouonWord
(84 . ,(N_ "No more user dictionary.")) ;; SJ3_NoMoreUserDict
(85 . ,(N_ "No more index block")) ;; SJ3_NoMoreIndexBlock
(91 . ,(N_ "Delete dictionary failed.")) ;; SJ3_DelDictFailed
(92 . ,(N_ "No such word.")) ;; SJ3_NoSuchWord
(101 . ,(N_ "Directory already exist.")) ;; SJ3_DirAlreadyExist
(102 . ,(N_ "Cannot create directory.")) ;; SJ3_CannotCreateDir
(111 . ,(N_ "No more dictionary data.")) ;; SJ3_NoMoreDictData
(121 . ,(N_ "User connected.")) ;; SJ3_UserConnected
(131 . ,(N_ "Too long password.")) ;; SJ3_TooLongPasswd
(132 . ,(N_ "Too long comment.")) ;; SJ3_TooLongComment
(133 . ,(N_ "Cannot code convert.")))) ;; SJ3_CannotCodeConvert
(define sj3-protocol-version 2)
;;
;; sj3 protocol api
;;
(define (sj3-lib-connect socket user)
(file-write socket
(u8list->string-buf
(u8list-pack '(u32 u32 s8 s8 s8)
$SJ3_CONNECT sj3-protocol-version
"unix" user (format "~a.uim-sj3" (current-process-id)))))
(call-with-u8list-unpack
'(u32) (string-buf->u8list (file-read socket 4))
(lambda (result)
(= -2 (u32->s32 result)))))
(define (sj3-lib-disconnect socket)
(file-write socket
(u8list->string-buf
(u8list-pack '(u32) $SJ3_DISCONNECT)))
(call-with-u8list-unpack
'(u32) (string-buf->u8list (file-read socket 4))
(lambda (result)
(= 0 result))))
(define (sj3-lib-opendict socket dictionary-name passwd)
(file-write socket
(u8list->string-buf
(u8list-pack '(u32 s8 s8) $SJ3_OPENDICT
dictionary-name passwd)))
(call-with-u8list-unpack
'(u32) (string-buf->u8list (file-read socket 4))
(lambda (result)
(and (= result 0)
(call-with-u8list-unpack
'(u32) (string-buf->u8list (file-read socket 4))
(lambda (result)
result))))))
(define (sj3-lib-closedict socket dict-id)
(file-write socket
(u8list->string-buf
(u8list-pack '(u32 u32) $SJ3_CLOSEDICT dict-id)))
(call-with-u8list-unpack
'(u32) (string-buf->u8list (file-read socket 4))
(lambda (result)
(= 0 result))))
(define (sj3-lib-openstdy socket stdy-name)
(file-write socket
(u8list->string-buf
(u8list-pack '(u32 s8 s8) $SJ3_OPENSTDY stdy-name "")))
(call-with-u8list-unpack
'(u32) (string-buf->u8list (file-read socket 4))
(lambda (result)
result)))
(define (sj3-lib-closestdy socket)
(file-write socket
(u8list->string-buf
(u8list-pack '(u32) $SJ3_CLOSESTDY)))
(call-with-u8list-unpack
'(u32) (string-buf->u8list (file-read socket 4))
(lambda (result)
result)))
(define (sj3-lib-stdy-size socket)
(file-write socket
(u8list->string-buf
(u8list-pack '(u32) $SJ3_STDYSIZE)))
(call-with-u8list-unpack
'(u32) (string-buf->u8list (file-read socket 4))
(lambda (result)
(and (= result 0)
(call-with-u8list-unpack
'(u32) (string-buf->u8list (file-read socket 4))
(lambda (result)
result))))))
(define (sj3-lib-study socket stdy)
(file-write socket
(u8list->string-buf
(u8list-pack '(u32 u8list) $SJ3_STUDY stdy)))
(call-with-u8list-unpack
'(u32) (string-buf->u8list (file-read socket 4))
(lambda (result)
result)))
(define (sj3-lib-makedict socket dictionary-name)
(file-write socket
(u8list->string-buf
(u8list-pack '(u32 s8 u32 u32 u32) $SJ3_MAKEDICT
dictionary-name
2048 ; Index length
2048 ; Length
256 ; Number
)))
(call-with-u8list-unpack
'(u32) (string-buf->u8list (file-read socket 4))
(lambda (result)
(= 0 result))))
(define (sj3-lib-makestdy socket stdy-name)
(file-write socket
(u8list->string-buf
(u8list-pack '(u32 s8 u32 u32 u32) $SJ3_MAKESTDY
stdy-name
2048 ; Number
1 ; Step
2048 ; Length
)))
(call-with-u8list-unpack
'(u32) (string-buf->u8list (file-read socket 4))
(lambda (result)
(= 0 result))))
(define (sj3-lib-makedir socket directory-name)
(file-write socket
(u8list->string-buf
(u8list-pack '(u32 s8) $SJ3_MAKEDIR directory-name)))
(call-with-u8list-unpack
'(u32) (string-buf->u8list (file-read socket 4))
(lambda (result)
result)))
(define (sj3-lib-access? socket directory-name mode)
(file-write socket
(u8list->string-buf
(u8list-pack '(u32 s8 u32) $SJ3_ACCESS
directory-name
mode)))
(call-with-u8list-unpack
'(u32) (string-buf->u8list (file-read socket 4))
(lambda (result)
(= 0 result))))
(define (sj3-lib-ph2knj-euc socket stdy-size yomi)
(file-write socket
(u8list->string-buf
(u8list-pack '(u32 s8) $SJ3_PH2KNJ_EUC yomi)))
(call-with-u8list-unpack
'(u32 u32) (string-buf->u8list (file-read socket 8))
(lambda (result yomi-length)
(and (= result 0)
(let loop ((yomi-len (cons (car (string-buf->u8list (file-read socket 1)))
'()))
(rest-stdy '())
(rest-kouho '()))
(if (<= (car yomi-len) 0)
(values (reverse yomi-len) (reverse rest-stdy) (reverse rest-kouho))
(let* ((new-stdy (string-buf->u8list (file-read socket stdy-size)))
(new-kouho (file-read-string-with-terminate socket #\nul)))
(loop (cons (car (string-buf->u8list (file-read socket 1)))
yomi-len)
(cons new-stdy rest-stdy)
(cons new-kouho rest-kouho)))))))))
(define (sj3-lib-cl2knj-all-euc socket stdy-size len yomi)
(file-write socket
(u8list->string-buf
(u8list-pack '(u32 u32 s8) $SJ3_CL2KNJ_ALL_EUC len yomi)))
(call-with-u8list-unpack
'(u32) (string-buf->u8list (file-read socket 4))
(lambda (result)
(and (= result 0)
(let loop ((yomi-len
(cons (u8list->u32 (string-buf->u8list (file-read socket 4)))
'()))
(rest-stdy '())
(rest-kouho '()))
(if (<= (car yomi-len) 0)
(values (reverse yomi-len) (reverse rest-stdy) (reverse rest-kouho))
(let* ((new-stdy (string-buf->u8list (file-read socket stdy-size)))
(new-kouho (file-read-string-with-terminate socket #\nul)))
(loop (cons (u8list->u32 (string-buf->u8list (file-read socket 4)))
yomi-len)
(cons new-stdy rest-stdy)
(cons new-kouho rest-kouho)))))))))
(define (sj3-lib-cl2knj-cnt-euc socket stdy-size len yomi)
(file-write socket
(u8list->string-buf
(u8list-pack '(u32 u32 s8) $SJ3_CL2KNJ_CNT_EUC len yomi)))
(call-with-u8list-unpack
'(u32) (string-buf->u8list (file-read socket 4))
(lambda (result)
(and (= result 0)
(call-with-u8list-unpack
'(u32) (string-buf->u8list (file-read socket 4))
(lambda (result)
result))))))
(define (sj3-lib-clstudy-euc socket yomi1 yomi2 stdy)
(file-write socket
(u8list->string-buf
(u8list-pack '(u32 s8 s8 u8list) $SJ3_CLSTUDY_EUC
yomi1 yomi2 stdy)))
(call-with-u8list-unpack
'(u32) (string-buf->u8list (file-read socket 4))
(lambda (result)
result)))
;;
;; helper functions
;;
(define (sj3-lib-mkdir-p socket path)
(let ((entries (string-split path "/")))
(fold (lambda (acc rest)
(let ((new-path (if (string=? rest "")
acc
(string-append rest "/" acc))))
(if (not (sj3-lib-access? socket acc 0))
(sj3-lib-makedir socket new-path))
new-path))
""
entries)))
(define (sj3-lib-split-yomi yomi yomi-length-list)
(let loop ((yomi yomi)
(yomi-length-list yomi-length-list)
(rest '()))
(if (= (car yomi-length-list) 0)
(reverse rest)
(loop (substring yomi (car yomi-length-list) (string-length yomi))
(cdr yomi-length-list)
(cons (substring yomi 0 (car yomi-length-list)) rest)))))
;;
;; sj3lib compatible functions
;;
(define *sj3-lib-socket* #f)
(define *sj3-lib-stdy-size* 20)
(define *sj3-lib-main-dict* #f)
(define *sj3-lib-user-dict* #f)
(define (sj3-lib-get-private-path user-name)
(format "user/~a" user-name))
(define (sj3-lib-get-private-dicionary-name user-name)
(format "~a/private.dic" (sj3-lib-get-private-path user-name)))
(define (sj3-lib-get-private-study-name user-name)
(format "~a/study.dat" (sj3-lib-get-private-path user-name)))
(define (sj3-lib-open-with-server server)
(let ((server-name (if (equal? server "")
"localhost")))
(if sj3-use-remote-server?
(tcp-connect server-name 3086)
(unix-domain-socket-connect sj3-unix-domain-socket-path))))
(define (sj3-lib-open server user-name)
(set! *sj3-lib-socket* (sj3-lib-open-with-server server))
(if *sj3-lib-socket*
(begin
(if (not (sj3-lib-connect *sj3-lib-socket* user-name))
(raise (N_ "Cannot connect SJ3 server")))
(set! *sj3-lib-main-dict* (sj3-lib-opendict *sj3-lib-socket* "sj3main.dic" ""))
(if (not (sj3-lib-access? *sj3-lib-socket* (sj3-lib-get-private-path user-name) 0))
(begin
(sj3-lib-mkdir-p *sj3-lib-socket* (sj3-lib-get-private-path user-name))
(sj3-lib-makedict *sj3-lib-socket* (sj3-lib-get-private-dicionary-name user-name))
(uim-notify-info (N_ "SJ3: create new dictionary"))))
(if (not (sj3-lib-access? *sj3-lib-socket* (sj3-lib-get-private-study-name user-name) 0))
(sj3-lib-makestdy *sj3-lib-socket* (sj3-lib-get-private-study-name user-name)))
(set! *sj3-lib-user-dict*
(sj3-lib-opendict *sj3-lib-socket* (sj3-lib-get-private-dicionary-name user-name) ""))
(sj3-lib-openstdy *sj3-lib-socket* (sj3-lib-get-private-study-name user-name))
(set! *sj3-lib-stdy-size* (sj3-lib-stdy-size *sj3-lib-socket*)))
(uim-notify-info (N_ "Cannot connect SJ3 server")))
*sj3-lib-socket*)
(define (sj3-lib-opened?)
*sj3-lib-socket*)
(define (sj3-lib-close)
(if *sj3-lib-socket*
(begin
(sj3-lib-closestdy *sj3-lib-socket*)
(sj3-lib-closedict *sj3-lib-socket* *sj3-lib-user-dict*)
(sj3-lib-closedict *sj3-lib-socket* *sj3-lib-main-dict*)
(sj3-lib-disconnect *sj3-lib-socket*)
(file-close *sj3-lib-socket*))))
(define (sj3-lib-getkan yomi)
(if *sj3-lib-socket*
(receive (yomi-len stdy cands)
(sj3-lib-ph2knj-euc *sj3-lib-socket* *sj3-lib-stdy-size* yomi)
(cons (apply string-append cands)
(zip (sj3-lib-split-yomi yomi yomi-len)
cands
stdy)))
#f))
(define (sj3-lib-douoncnt yomi)
(if *sj3-lib-socket*
(sj3-lib-cl2knj-cnt-euc *sj3-lib-socket* *sj3-lib-stdy-size*
(length (string->list yomi)) ;; byte length
yomi)
0))
(define (sj3-lib-getdouon yomi)
(receive (yomi-len stdy cand)
(sj3-lib-cl2knj-all-euc *sj3-lib-socket* *sj3-lib-stdy-size*
(length (string->list yomi)) ;; byte length
yomi)
(zip cand stdy)))
(define (sj3-lib-get-nth-douon yomi nth)
(receive (yomi-len stdy cand)
(sj3-lib-cl2knj-all-euc *sj3-lib-socket* *sj3-lib-stdy-size*
(length (string->list yomi)) ;; byte length
yomi)
(list (list-ref cand nth)
(list-ref stdy nth))))
(define (sj3-lib-gakusyuu stdy)
(sj3-lib-study *sj3-lib-socket* stdy))
(define (sj3-lib-gakusyuu2 yomi1 yomi2 stdy)
(let ((new-yomi1 (and yomi1 ""))
(new-yomi2 (and yomi2 "")))
(sj3-lib-clstudy-euc *sj3-lib-socket*
new-yomi1 new-yomi2
stdy)))
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