| 1 | ;;; |
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| 2 | ;;; mecab.stub - MeCab binding |
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| 3 | ;;; |
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| 4 | ;;; Copyright (c) 2004 Kimura Fuyuki, All rights reserved. |
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| 5 | ;;; |
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| 6 | ;;; Redistribution and use in source and binary forms, with or without |
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| 7 | ;;; modification, are permitted provided that the following conditions |
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| 8 | ;;; are met: |
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| 9 | ;;; |
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| 10 | ;;; 1. Redistributions of source code must retain the above copyright |
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| 11 | ;;; notice, this list of conditions and the following disclaimer. |
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| 12 | ;;; |
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| 13 | ;;; 2. Redistributions in binary form must reproduce the above copyright |
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| 14 | ;;; notice, this list of conditions and the following disclaimer in the |
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| 15 | ;;; documentation and/or other materials provided with the distribution. |
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| 16 | ;;; |
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| 17 | ;;; 3. Neither the name of the authors nor the names of its contributors |
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| 18 | ;;; may be used to endorse or promote products derived from this |
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| 19 | ;;; software without specific prior written permission. |
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| 20 | ;;; |
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| 21 | ;;; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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| 22 | ;;; "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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| 23 | ;;; LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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| 24 | ;;; A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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| 25 | ;;; OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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| 26 | ;;; SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED |
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| 27 | ;;; TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
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| 28 | ;;; PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
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| 29 | ;;; LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
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| 30 | ;;; NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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| 31 | ;;; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 32 | ;;; |
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| 33 | ;;; $Id: mecab-lib.scm,v 1.3 2009/03/25 09:42:14 naoya_t Exp $ |
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| 34 | ;;; |
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| 35 | |
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| 36 | (define-module text.mecab |
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| 37 | (use srfi-1) |
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| 38 | (use srfi-13) |
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| 39 | (use gauche.charconv) |
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| 40 | (export <mecab> <mecab-node> <mecab-dictionary-info> |
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| 41 | mecab? mecab-node? mecab-dictionary-info? |
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| 42 | mecab-do mecab-new mecab-new2 |
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| 43 | mecab-version mecab-strerror mecab-destroy mecab-destroyed? |
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| 44 | mecab mecab-options |
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| 45 | |
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| 46 | mecab-tagger ; message passing |
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| 47 | <mecab-tagger> mecab-make-tagger ; class |
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| 48 | |
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| 49 | mecab-get-partial mecab-set-partial |
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| 50 | mecab-get-theta mecab-set-theta |
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| 51 | mecab-get-lattice-level mecab-set-lattice-level |
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| 52 | mecab-get-all-morphs mecab-set-all-morphs |
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| 53 | |
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| 54 | mecab-sparse-tostr mecab-sparse-tostr2 ;; mecab-sparse-tostr3 |
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| 55 | mecab-sparse-tonode mecab-sparse-tonode2 |
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| 56 | mecab-nbest-sparse-tostr mecab-nbest-sparse-tostr2 ;; mecab-nbest-sparse-tostr3 |
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| 57 | mecab-nbest-init mecab-nbest-init2 |
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| 58 | mecab-nbest-next-tostr ;; mecab-nbest-next-tostr2 |
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| 59 | mecab-nbest-next-tonode |
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| 60 | mecab-format-node |
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| 61 | mecab-dictionary-info |
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| 62 | mecab-dict-index mecab-dict-gen |
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| 63 | mecab-cost-train mecab-system-eval mecab-test-gen |
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| 64 | |
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| 65 | mecab-node-prev mecab-node-next mecab-node-enext mecab-node-bnext |
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| 66 | mecab-node-surface mecab-node-feature |
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| 67 | mecab-node-length mecab-node-rlength |
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| 68 | mecab-node-id mecab-node-rc-attr mecab-node-lc-attr |
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| 69 | mecab-node-posid mecab-node-char-type |
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| 70 | mecab-node-stat mecab-node-best? |
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| 71 | mecab-node-alpha mecab-node-beta mecab-node-prob |
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| 72 | mecab-node-wcost mecab-node-cost |
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| 73 | |
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| 74 | mecab-dictionary-info-filename mecab-dictionary-info-charset |
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| 75 | mecab-dictionary-info-size mecab-dictionary-info-type |
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| 76 | mecab-dictionary-info-lsize mecab-dictionary-info-rsize |
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| 77 | mecab-dictionary-info-version mecab-dictionary-info-next |
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| 78 | )) |
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| 79 | (select-module text.mecab) |
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| 80 | |
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| 81 | ;; This should be configurable, since mecab can be compiled to use utf-8. |
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| 82 | (define-constant MECAB_ENCODING 'euc-jp) |
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| 83 | |
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| 84 | ;; We need cv-send and cv-recv if MeCab is configured with --enable-utf8-only option. |
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| 85 | ;(define (cv-send str) |
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| 86 | ; (ces-convert str (gauche-character-encoding) MECAB_ENCODING)) |
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| 87 | ;(define (cv-recv str) |
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| 88 | ; (and str (ces-convert str MECAB_ENCODING))) |
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| 89 | (define (cv-send str) str) |
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| 90 | (define (cv-recv str) str) |
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| 91 | |
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| 92 | (define (mecab-do args) |
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| 93 | (unless (every string? args) |
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| 94 | (error "mecab-do: list of strings required, but got:" args)) |
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| 95 | (%mecab-do (map cv-send args))) |
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| 96 | |
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| 97 | (define (mecab-new args) |
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| 98 | (unless (every string? args) |
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| 99 | (error "mecab-new: list of strings required, but got:" args)) |
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| 100 | (%mecab-new (map cv-send args) (mecab-parse-options args))) |
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| 101 | |
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| 102 | (define (mecab-new2 str) |
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| 103 | (%mecab-new2 (cv-send str) (mecab-parse-options str))) |
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| 104 | |
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| 105 | (define (mecab-strerror m) |
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| 106 | ; (cv-recv (%mecab-strerror m))) ;; m can be #f |
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| 107 | (cv-recv (if m (%mecab-strerror m) (%mecab-strerror-with-null)))) |
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| 108 | |
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| 109 | (define (mecab-sparse-tostr m str) |
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| 110 | (cv-recv (%mecab-sparse-tostr m (cv-send str)))) |
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| 111 | |
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| 112 | (define (mecab-sparse-tostr2 m str len) |
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| 113 | (cv-recv (%mecab-sparse-tostr2 m (cv-send str) len))) |
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| 114 | |
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| 115 | (define (mecab-sparse-tonode m str) |
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| 116 | (%mecab-sparse-tonode m (cv-send str))) |
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| 117 | |
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| 118 | (define (mecab-sparse-tonode2 m str len) |
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| 119 | (%mecab-sparse-tonode2 m (cv-send str) len)) |
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| 120 | |
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| 121 | (define (mecab-nbest-sparse-tostr m n str) |
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| 122 | (cv-recv (%mecab-nbest-sparse-tostr m n (cv-send str)))) |
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| 123 | |
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| 124 | (define (mecab-nbest-sparse-tostr2 m n str len) |
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| 125 | (cv-recv (%mecab-nbest-sparse-tostr2 m n (cv-send str) len))) |
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| 126 | |
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| 127 | (define (mecab-nbest-init m str) |
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| 128 | (%mecab-nbest-init m (cv-send str))) |
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| 129 | |
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| 130 | (define (mecab-nbest-init2 m str len) |
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| 131 | (%mecab-nbest-init2 m (cv-send str) len)) |
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| 132 | |
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| 133 | (define (mecab-nbest-next-tostr m) |
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| 134 | (cv-recv (%mecab-nbest-next-tostr m))) |
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| 135 | |
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| 136 | (define (mecab-format-node m node) |
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| 137 | (cv-recv (%mecab-format-node m node))) |
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| 138 | |
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| 139 | (define (mecab-dict-index args) |
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| 140 | (unless (every string? args) |
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| 141 | (error "mecab-dict-index: list of strings required, but got:" args)) |
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| 142 | (%mecab-dict-index (map cv-send args))) |
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| 143 | |
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| 144 | (define (mecab-dict-gen args) |
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| 145 | (unless (every string? args) |
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| 146 | (error "mecab-dict-gen: list of strings required, but got:" args)) |
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| 147 | (%mecab-dict-gen (map cv-send args))) |
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| 148 | |
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| 149 | (define (mecab-cost-train args) |
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| 150 | (unless (every string? args) |
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| 151 | (error "mecab-cost-train: list of strings required, but got:" args)) |
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| 152 | (%mecab-cost-train (map cv-send args))) |
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| 153 | |
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| 154 | (define (mecab-system-eval args) |
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| 155 | (unless (every string? args) |
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| 156 | (error "mecab-system-eval: list of strings required, but got:" args)) |
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| 157 | (%mecab-system-eval (map cv-send args))) |
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| 158 | |
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| 159 | (define (mecab-test-gen args) |
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| 160 | (unless (every string? args) |
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| 161 | (error "mecab-test-gen: list of strings required, but got:" args)) |
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| 162 | (%mecab-test-gen (map cv-send args))) |
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| 163 | |
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| 164 | ;; mecab_node_t |
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| 165 | (define (mecab-node-surface n) |
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| 166 | (cv-recv (%mecab-node-surface n))) |
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| 167 | |
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| 168 | (define (mecab-node-feature n) |
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| 169 | (cv-recv (%mecab-node-feature n))) |
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| 170 | |
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| 171 | (define (mecab-node-stat n) |
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| 172 | (vector-ref #(mecab-nor-node mecab-unk-node mecab-bos-node mecab-eos-node) |
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| 173 | (%mecab-node-stat n))) |
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| 174 | |
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| 175 | ;; mecab_dictionary_info_t |
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| 176 | (define (mecab-dictionary-info-type dinfo) |
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| 177 | (vector-ref #(mecab-sys-dic mecab-usr-dic mecab-unk-dic) |
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| 178 | (%mecab-dictionary-info-type dinfo))) |
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| 179 | |
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| 180 | ;; |
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| 181 | (inline-stub |
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| 182 | "#include <mecab.h>" |
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| 183 | |
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| 184 | ;; mecab_t type holder. |
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| 185 | "typedef struct ScmMeCabRec { |
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| 186 | SCM_HEADER; |
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| 187 | mecab_t *m; /* NULL if closed */ |
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| 188 | ScmObj options; |
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| 189 | } ScmMeCab; |
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| 190 | |
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| 191 | typedef struct ScmMeCabNodeRec { |
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| 192 | SCM_HEADER; |
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| 193 | const mecab_node_t *node; |
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| 194 | } ScmMeCabNode; |
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| 195 | |
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| 196 | typedef struct ScmMeCabDictionaryInfoRec { |
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| 197 | SCM_HEADER; |
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| 198 | const mecab_dictionary_info_t *dic_info; |
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| 199 | } ScmMeCabDictionaryInfo;" |
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| 200 | |
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| 201 | (define-cclass <mecab> :private ScmMeCab* "Scm_MeCabClass" |
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| 202 | () |
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| 203 | ()) |
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| 204 | |
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| 205 | (define-cclass <mecab-node> :private ScmMeCabNode* "Scm_MeCabNodeClass" |
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| 206 | () |
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| 207 | ()) |
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| 208 | |
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| 209 | (define-cclass <mecab-dictionary-info> :private ScmMeCabDictionaryInfo* "Scm_MeCabDictionaryInfoClass" |
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| 210 | () |
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| 211 | ()) |
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| 212 | |
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| 213 | ;; internal utility functions |
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| 214 | (define-cfn mecab-cleanup (m::ScmMeCab*) ::void :static |
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| 215 | (unless (== (-> m m) NULL) |
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| 216 | (mecab-destroy (-> m m)) |
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| 217 | (set! (-> m m) NULL))) |
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| 218 | |
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| 219 | (define-cfn mecab-finalize (obj data::void*) ::void :static |
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| 220 | (mecab-cleanup (SCM_MECAB obj))) |
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| 221 | |
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| 222 | (define-cfn make-mecab (m::mecab_t* options::ScmObj) :static |
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| 223 | (when (== m NULL) (mecab-strerror NULL)) |
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| 224 | (let* ([obj::ScmMeCab* (SCM_NEW ScmMeCab)]) |
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| 225 | (SCM_SET_CLASS obj (& Scm_MeCabClass)) |
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| 226 | (set! (-> obj m) m) |
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| 227 | (set! (-> obj options) options) |
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| 228 | (Scm_RegisterFinalizer (SCM_OBJ obj) mecab-finalize NULL) |
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| 229 | (return (SCM_OBJ obj)))) |
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| 230 | |
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| 231 | (define-cfn make-mecab-node (n::"const mecab_node_t*") :static |
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| 232 | ;; returns #f when n==NULL ... for convenience of mecab_nbest_next_* |
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| 233 | (if (== n NULL) (return SCM_FALSE) |
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| 234 | (let* ([obj::ScmMeCabNode* (SCM_NEW ScmMeCabNode)]) |
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| 235 | (SCM_SET_CLASS obj (& Scm_MeCabNodeClass)) |
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| 236 | (set! (-> obj node) n) |
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| 237 | (return (SCM_OBJ obj))))) |
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| 238 | |
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| 239 | (define-cfn make-mecab-dictionary-info (dic_info::"const mecab_dictionary_info_t*") :static |
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| 240 | ;; returns #f when dic_info==NULL ... for convenience of mecab-dictionary-info-next |
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| 241 | (if (== dic_info NULL) (return SCM_FALSE) |
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| 242 | (let* ([obj::ScmMeCabDictionaryInfo* (SCM_NEW ScmMeCabDictionaryInfo)]) |
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| 243 | (SCM_SET_CLASS obj (& Scm_MeCabDictionaryInfoClass)) |
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| 244 | (set! (-> obj dic_info) dic_info) |
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| 245 | (return (SCM_OBJ obj))))) |
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| 246 | |
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| 247 | ;; |
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| 248 | ;; MeCab API |
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| 249 | ;; |
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| 250 | ;; NB: for the default configuration, MeCab API takes EUC-JP string. |
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| 251 | ;; The conversion is handled in the Scheme level. |
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| 252 | (define-cproc %mecab-do (args::<list>) ::<int> |
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| 253 | (let* ([argc::int (Scm_Length args)] |
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| 254 | [argv::char** (Scm_ListToCStringArray args TRUE NULL)]) |
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| 255 | (result (mecab-do argc argv)))) |
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| 256 | |
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| 257 | (define-cproc %mecab-new (args::<list> options) |
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| 258 | (let* ([argc::int (Scm_Length args)] |
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| 259 | [argv::char** (Scm_ListToCStringArray args TRUE NULL)]) |
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| 260 | (result (make-mecab (mecab-new argc argv) options)))) |
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| 261 | |
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| 262 | (define-cproc %mecab-new2 (arg::<string> options) |
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| 263 | (result (make-mecab (mecab-new2 (Scm_GetString arg)) options))) |
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| 264 | |
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| 265 | (define-cproc mecab-version () ::<const-cstring> mecab-version) |
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| 266 | |
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| 267 | (define-cproc mecab-destroy (m::<mecab>) ::<void> |
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| 268 | (mecab-cleanup m)) |
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| 269 | |
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| 270 | (define-cproc mecab-destroyed? (m::<mecab>) ::<boolean> |
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| 271 | (result (== (-> m m) NULL))) |
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| 272 | |
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| 273 | (define-cproc mecab-options (m::<mecab>) |
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| 274 | (result (-> m options))) |
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| 275 | |
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| 276 | (define-cproc %mecab-strerror (m::<mecab>) ::<const-cstring> |
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| 277 | (result (mecab-strerror (-> m m)))) |
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| 278 | |
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| 279 | (define-cproc %mecab-strerror-with-null () ::<const-cstring> |
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| 280 | (result (mecab-strerror NULL))) |
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| 281 | |
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| 282 | (define-cproc mecab-get-partial (m::<mecab>) ::<int> |
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| 283 | (result (mecab-get-partial (-> m m)))) |
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| 284 | |
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| 285 | (define-cproc mecab-set-partial (m::<mecab> partial::<int>) ::<void> |
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| 286 | (mecab-set-partial (-> m m) partial)) |
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| 287 | |
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| 288 | (define-cproc mecab-get-theta (m::<mecab>) ::<float> |
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| 289 | (result (mecab-get-theta (-> m m)))) |
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| 290 | |
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| 291 | (define-cproc mecab-set-theta (m::<mecab> theta::<float>) ::<void> |
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| 292 | (mecab-set-theta (-> m m) theta)) |
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| 293 | |
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| 294 | (define-cproc mecab-get-lattice-level (m::<mecab>) ::<int> |
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| 295 | (result (mecab-get-lattice-level (-> m m)))) |
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| 296 | |
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| 297 | (define-cproc mecab-set-lattice-level (m::<mecab> level::<int>) ::<void> |
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| 298 | (mecab-set-lattice-level (-> m m) level)) |
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| 299 | |
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| 300 | (define-cproc mecab-get-all-morphs (m::<mecab>) ::<int> |
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| 301 | (result (mecab-get-all-morphs (-> m m)))) |
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| 302 | |
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| 303 | (define-cproc mecab-set-all-morphs (m::<mecab> all_morphs::<int>) ::<void> |
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| 304 | (mecab-set-all-morphs (-> m m) all_morphs)) |
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| 305 | |
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| 306 | (define-cproc %mecab-sparse-tostr (m::<mecab> str::<const-cstring>) |
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| 307 | ::<const-cstring>? |
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| 308 | (result (mecab-sparse-tostr (-> m m) str))) |
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| 309 | |
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| 310 | (define-cproc %mecab-sparse-tostr2 (m::<mecab> str::<const-cstring> len::<uint>) |
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| 311 | ::<const-cstring>? |
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| 312 | (result (mecab-sparse-tostr2 (-> m m) str len))) |
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| 313 | |
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| 314 | (define-cproc %mecab-nbest-sparse-tostr (m::<mecab> n::<uint> str::<const-cstring>) |
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| 315 | ::<const-cstring>? |
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| 316 | (result (mecab-nbest-sparse-tostr (-> m m) n str))) |
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| 317 | |
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| 318 | (define-cproc %mecab-nbest-sparse-tostr2 (m::<mecab> n::<uint> str::<const-cstring> len::<uint>) |
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| 319 | ::<const-cstring>? |
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| 320 | (result (mecab-nbest-sparse-tostr2 (-> m m) n str len))) |
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| 321 | |
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| 322 | (define-cproc %mecab-nbest-init (m::<mecab> str::<const-cstring>) ::<int> |
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| 323 | (result (mecab-nbest-init (-> m m) str))) |
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| 324 | |
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| 325 | (define-cproc %mecab-nbest-init2 (m::<mecab> str::<const-cstring> len::<uint>) ::<int> |
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| 326 | (result (mecab-nbest-init2 (-> m m) str len))) |
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| 327 | |
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| 328 | (define-cproc %mecab-nbest-next-tostr (m::<mecab>) ;; returns null at the end |
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| 329 | ; (result (mecab-nbest-next-tostr (-> m m)))) |
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| 330 | " const char *s = mecab_nbest_next_tostr(m->m); |
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| 331 | return s ? SCM_MAKE_STR_COPYING(s) : SCM_FALSE;") |
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| 332 | |
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| 333 | (define-cproc mecab-nbest-next-tonode (m::<mecab>) ;; returns null at the end |
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| 334 | (result (make-mecab-node (mecab-nbest-next-tonode (-> m m))))) |
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| 335 | |
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| 336 | (define-cproc %mecab-sparse-tonode (m::<mecab> str::<const-cstring>) |
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| 337 | (result (make-mecab-node (mecab-sparse-tonode (-> m m) str)))) |
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| 338 | |
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| 339 | (define-cproc %mecab-sparse-tonode2 (m::<mecab> str::<const-cstring> siz::<uint>) |
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| 340 | (result (make-mecab-node (mecab-sparse-tonode2 (-> m m) str siz)))) |
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| 341 | |
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| 342 | (define-cproc mecab-dictionary-info (m::<mecab>) |
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| 343 | (result (make-mecab-dictionary-info (mecab-dictionary-info (-> m m))))) |
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| 344 | |
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| 345 | (define-cproc %mecab-format-node (m::<mecab> n::<mecab-node>) ::<const-cstring>? |
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| 346 | (result (mecab-format-node (-> m m) (-> n node)))) |
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| 347 | |
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| 348 | (define-cproc %mecab-dict-index (args::<list>) ::<int> |
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| 349 | (let* ([argc::int (Scm_Length args)] |
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| 350 | [argv::char** (Scm_ListToCStringArray args TRUE NULL)]) |
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| 351 | (result (mecab-dict-index argc argv)))) |
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| 352 | |
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| 353 | (define-cproc %mecab-dict-gen (args::<list>) ::<int> |
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| 354 | (let* ([argc::int (Scm_Length args)] |
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| 355 | [argv::char** (Scm_ListToCStringArray args TRUE NULL)]) |
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| 356 | (result (mecab-dict-gen argc argv)))) |
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| 357 | |
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| 358 | (define-cproc %mecab-cost-train (args::<list>) ::<int> |
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| 359 | (let* ([argc::int (Scm_Length args)] |
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| 360 | [argv::char** (Scm_ListToCStringArray args TRUE NULL)]) |
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| 361 | (result (mecab-cost-train argc argv)))) |
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| 362 | |
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| 363 | (define-cproc %mecab-system-eval (args::<list>) ::<int> |
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| 364 | (let* ([argc::int (Scm_Length args)] |
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| 365 | [argv::char** (Scm_ListToCStringArray args TRUE NULL)]) |
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| 366 | (result (mecab-system-eval argc argv)))) |
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| 367 | |
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| 368 | (define-cproc %mecab-test-gen (args::<list>) ::<int> |
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| 369 | (let* ([argc::int (Scm_Length args)] |
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| 370 | [argv::char** (Scm_ListToCStringArray args TRUE NULL)]) |
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| 371 | (result (mecab-test-gen argc argv)))) |
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| 372 | |
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| 373 | ;; |
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| 374 | ;; mecab_node_t |
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| 375 | ;; |
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| 376 | (define-cproc mecab-node-prev (n::<mecab-node>) |
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| 377 | (result (make-mecab-node (-> (-> n node) prev)))) |
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| 378 | |
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| 379 | (define-cproc mecab-node-next (n::<mecab-node>) |
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| 380 | (result (make-mecab-node (-> (-> n node) next)))) |
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| 381 | |
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| 382 | (define-cproc mecab-node-enext (n::<mecab-node>) |
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| 383 | (result (make-mecab-node (-> (-> n node) enext)))) |
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| 384 | |
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| 385 | (define-cproc mecab-node-bnext (n::<mecab-node>) |
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| 386 | (result (make-mecab-node (-> (-> n node) bnext)))) |
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| 387 | |
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| 388 | (define-cproc %mecab-node-surface (n::<mecab-node>) |
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| 389 | (result (Scm-MakeString (-> (-> n node) surface) |
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| 390 | (-> (-> n node) length) ;; size |
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| 391 | -1 ;; Gauche will count the 'length' of this substring |
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| 392 | SCM-STRING-COPYING))) |
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| 393 | |
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| 394 | (define-cproc %mecab-node-feature (n::<mecab-node>) |
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| 395 | ::<const-cstring> (result (-> (-> n node) feature))) |
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| 396 | |
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| 397 | (define-cproc mecab-node-length (n::<mecab-node>) |
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| 398 | ::<uint> (result (-> (-> n node) length))) |
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| 399 | |
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| 400 | (define-cproc mecab-node-rlength (n::<mecab-node>) |
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| 401 | ::<uint> (result (-> (-> n node) rlength))) |
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| 402 | |
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| 403 | (define-cproc mecab-node-id (n::<mecab-node>) |
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| 404 | ::<uint> (result (-> (-> n node) id))) |
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| 405 | |
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| 406 | (define-cproc mecab-node-rc-attr (n::<mecab-node>) |
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| 407 | ::<uint> (result (-> (-> n node) rcAttr))) |
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| 408 | |
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| 409 | (define-cproc mecab-node-lc-attr (n::<mecab-node>) |
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| 410 | ::<uint> (result (-> (-> n node) lcAttr))) |
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| 411 | |
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| 412 | (define-cproc mecab-node-posid (n::<mecab-node>) |
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| 413 | ::<uint> (result (-> (-> n node) posid))) |
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| 414 | |
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| 415 | (define-cproc mecab-node-char-type (n::<mecab-node>) |
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| 416 | ::<uint> (result (-> (-> n node) char-type))) |
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| 417 | |
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| 418 | (define-cproc %mecab-node-stat (n::<mecab-node>) |
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| 419 | ::<int> (result (-> (-> n node) stat))) |
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| 420 | |
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| 421 | (define-cproc mecab-node-best? (n::<mecab-node>) |
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| 422 | ::<boolean> (result (-> (-> n node) isbest))) |
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| 423 | |
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| 424 | (define-cproc mecab-node-alpha (n::<mecab-node>) |
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| 425 | ::<float> (result (-> (-> n node) alpha))) |
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| 426 | |
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| 427 | (define-cproc mecab-node-beta (n::<mecab-node>) |
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| 428 | ::<float> (result (-> (-> n node) beta))) |
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| 429 | |
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| 430 | (define-cproc mecab-node-prob (n::<mecab-node>) |
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| 431 | ::<float> (result (-> (-> n node) prob))) |
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| 432 | |
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| 433 | (define-cproc mecab-node-wcost (n::<mecab-node>) |
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| 434 | ::<int> (result (-> (-> n node) wcost))) |
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| 435 | |
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| 436 | (define-cproc mecab-node-cost (n::<mecab-node>) |
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| 437 | ::<int> (result (-> (-> n node) cost))) |
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| 438 | |
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| 439 | ;; |
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| 440 | ;; mecab_dictionary_info_t |
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| 441 | ;; |
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| 442 | (define-cproc mecab-dictionary-info-filename (dinfo::<mecab-dictionary-info>) |
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| 443 | ::<const-cstring> (result (-> (-> dinfo dic_info) filename))) |
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| 444 | |
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| 445 | (define-cproc mecab-dictionary-info-charset (dinfo::<mecab-dictionary-info>) |
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| 446 | ::<const-cstring> (result (-> (-> dinfo dic_info) charset))) |
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| 447 | |
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| 448 | (define-cproc mecab-dictionary-info-size (dinfo::<mecab-dictionary-info>) |
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| 449 | ::<uint> (result (-> (-> dinfo dic_info) size))) |
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| 450 | |
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| 451 | (define-cproc %mecab-dictionary-info-type (dinfo::<mecab-dictionary-info>) |
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| 452 | ::<int> (result (-> (-> dinfo dic_info) type))) |
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| 453 | |
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| 454 | (define-cproc mecab-dictionary-info-lsize (dinfo::<mecab-dictionary-info>) |
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| 455 | ::<uint> (result (-> (-> dinfo dic_info) lsize))) |
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| 456 | |
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| 457 | (define-cproc mecab-dictionary-info-rsize (dinfo::<mecab-dictionary-info>) |
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| 458 | ::<uint> (result (-> (-> dinfo dic_info) rsize))) |
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| 459 | |
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| 460 | (define-cproc mecab-dictionary-info-version (dinfo::<mecab-dictionary-info>) |
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| 461 | ::<uint> (result (-> (-> dinfo dic_info) version))) |
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| 462 | |
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| 463 | (define-cproc mecab-dictionary-info-next (dinfo::<mecab-dictionary-info>) |
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| 464 | (result (make-mecab-dictionary-info (-> (-> dinfo dic_info) next)))) |
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| 465 | |
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| 466 | ) |
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| 467 | |
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| 468 | (define-macro (mecab? obj) `(is-a? ,obj <mecab>)) |
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| 469 | (define-macro (mecab-node? obj) `(is-a? ,obj <mecab-node>)) |
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| 470 | (define-macro (mecab-dictionary-info? obj) `(is-a? ,obj <mecab-dictionary-info>)) |
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| 471 | |
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| 472 | (define-method write-object ((m <mecab>) out) |
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| 473 | (format out "#<mecab ~s>" (mecab-options m))) |
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| 474 | (define-method write-object ((m <mecab-node>) out) |
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| 475 | (format out "#<mecab-node>")) |
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| 476 | (define-method write-object ((m <mecab-dictionary-info>) out) |
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| 477 | (format out "#<mecab-dictionary-info>")) |
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| 478 | |
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| 479 | (define *mecab-options+* |
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| 480 | '((r rcfile FILE) |
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| 481 | (d dicdir DIR) |
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| 482 | (u userdic FILE) |
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| 483 | (l lattice-level INT) |
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| 484 | (D dictionary-info) |
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| 485 | (a all-morphs) |
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| 486 | (O output-format-type TYPE) |
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| 487 | (p partial) |
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| 488 | (F node-format STR) |
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| 489 | (U unk-format STR) |
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| 490 | (B bos-format STR) |
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| 491 | (E eos-format STR) |
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| 492 | (x unk-feature STR) |
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| 493 | (b input-buffer-size INT) |
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| 494 | (P dump-config) |
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| 495 | (M open-mutable-dictionary) |
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| 496 | (C allocate-sentence) |
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| 497 | (N nbest INT) |
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| 498 | (t theta FLOAT) |
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| 499 | (c cost-factor INT) |
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| 500 | (o output FILE) |
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| 501 | (v version) |
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| 502 | (h help))) |
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| 503 | |
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| 504 | (define *mecab-options* (map cdr *mecab-options+*)) |
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| 505 | |
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| 506 | (define (cast argtype obj) |
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| 507 | (case argtype |
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| 508 | [(STR DIR FILE) (x->string obj)] |
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| 509 | [(INT FLOAT) obj] |
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| 510 | [(TYPE) (string->symbol (x->string obj))] |
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| 511 | [else obj])) |
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| 512 | |
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| 513 | (define (requires-arg? option) |
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| 514 | (let1 opt (assoc option *mecab-options*) |
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| 515 | (if opt (= 2 (length opt)) #f))) |
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| 516 | |
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| 517 | (define (argtype option) |
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| 518 | (cadr (or (assoc option *mecab-options*) (list #f #f)))) |
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| 519 | |
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| 520 | (define (long-option-name short-option-name) |
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| 521 | (cadr (or (assoc short-option-name *mecab-options+*) (list #f #f)))) |
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| 522 | |
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| 523 | (define (keyword-length keyword) |
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| 524 | (string-length (keyword->string keyword))) |
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| 525 | |
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| 526 | (define (keyword->symbol keyword) |
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| 527 | (string->symbol (keyword->string keyword))) |
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| 528 | |
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| 529 | (define (mecab-parse-options args) |
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| 530 | ;; eg. ("-Ochasen" :l 1 "--theta" "0.75") |
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| 531 | ;; => (:output-format-type "chasen" :lattice-level 1 :theta "0.75") |
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| 532 | (let1 args* (append-map |
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| 533 | (lambda (arg) |
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| 534 | (cond [(string? arg) |
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| 535 | (if (string=? "" arg) '() |
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| 536 | (append-map |
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| 537 | (lambda (str) |
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| 538 | (let1 len (string-length str) |
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| 539 | (if (<= 2 len) |
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| 540 | (if (eq? #\- (string-ref str 0)) |
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| 541 | ;; --option, -X[arg] |
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| 542 | (if (eq? #\- (string-ref str 1)) |
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| 543 | ;; --option |
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| 544 | (list (string->symbol (substring str 2 len))) |
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| 545 | ;; -X[arg] |
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| 546 | (let1 option (long-option-name (string->symbol (substring str 1 2))) |
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| 547 | (if (= len 2) |
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| 548 | ;; -X |
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| 549 | (list option) |
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| 550 | ;; -Xarg |
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| 551 | (list option (cast (argtype option) (substring str 2 len)))))) |
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| 552 | (list str)) |
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| 553 | (list str)))) |
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| 554 | (string-split arg #[ =])))] |
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| 555 | [(keyword? arg) |
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| 556 | (if (= 1 (keyword-length arg)) |
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| 557 | (list (long-option-name (keyword->symbol arg))) |
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| 558 | (list (keyword->symbol arg)))] |
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| 559 | [else |
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| 560 | (list arg)])) |
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| 561 | (if (list? args) args (list args))) |
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| 562 | ;; eg. (:output-format-type "chasen" :lattice-level 1 :theta "0.75") |
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| 563 | ;; => ((output-format-type chasen) (lattice-level 1) (theta 0.75)) |
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| 564 | (let loop ((rest args*) (options '())) |
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| 565 | (if (null? rest) |
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| 566 | (reverse! options) |
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| 567 | (let1 option (car rest) |
|---|
| 568 | (if (symbol? option) |
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| 569 | (if (requires-arg? option) |
|---|
| 570 | (loop (cddr rest) (cons (list option (cast (argtype option) (cadr rest))) options)) |
|---|
| 571 | (loop (cdr rest) (cons (list option (if #f #f)) options))) |
|---|
| 572 | (loop (cdr rest) options))))))) |
|---|
| 573 | |
|---|
| 574 | (define (mecab . args) ;; inspired by leque's make-mecab |
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| 575 | (let* ([options (mecab-parse-options args)] |
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| 576 | [options-str (append-map (lambda (option+arg) |
|---|
| 577 | (let* ([option (car option+arg)] |
|---|
| 578 | [option-str (format "--~a" option)]) |
|---|
| 579 | (if (requires-arg? option) |
|---|
| 580 | (list option-str (x->string (cadr option+arg))) |
|---|
| 581 | (list option-str) ))) |
|---|
| 582 | options)]) |
|---|
| 583 | (%mecab-new options-str options))) |
|---|
| 584 | |
|---|
| 585 | (define-reader-ctor 'mecab mecab) |
|---|
| 586 | |
|---|
| 587 | ;; Tagger |
|---|
| 588 | (define (mecab-tagger . args) |
|---|
| 589 | (let1 m (apply mecab args) |
|---|
| 590 | (define (parse-to-string str . args) |
|---|
| 591 | (let-optionals* args ((len #f)) |
|---|
| 592 | (if len |
|---|
| 593 | (mecab-sparse-tostr2 m str len) |
|---|
| 594 | (mecab-sparse-tostr m str) ))) |
|---|
| 595 | |
|---|
| 596 | (define (parse-to-node str) (mecab-sparse-tonode m str)) |
|---|
| 597 | |
|---|
| 598 | ;; requires "-l 1" in option |
|---|
| 599 | (define (parse-nbest n str) (mecab-nbest-sparse-tostr m n str)) |
|---|
| 600 | |
|---|
| 601 | (define (parse-nbest-init str) (mecab-nbest-init m str)) |
|---|
| 602 | |
|---|
| 603 | (define (next) (mecab-nbest-next-tostr m)) |
|---|
| 604 | |
|---|
| 605 | (define (next-node) (mecab-nbest-next-tonode m)) |
|---|
| 606 | |
|---|
| 607 | (define (format-node node) (mecab-format-node m node)) |
|---|
| 608 | |
|---|
| 609 | (define (destroy) (mecab-destroy m)) |
|---|
| 610 | |
|---|
| 611 | (lambda (m) |
|---|
| 612 | (case m |
|---|
| 613 | [(parse parse-to-string) parse-to-string] |
|---|
| 614 | [(parse-to-node) parse-to-node] |
|---|
| 615 | [(parse-nbest) parse-nbest] |
|---|
| 616 | [(parse-nbest-init) parse-nbest-init] |
|---|
| 617 | [(next) next] |
|---|
| 618 | [(next-node) next-node] |
|---|
| 619 | [(format-node) format-node] |
|---|
| 620 | [(destroy) destroy] |
|---|
| 621 | )))) |
|---|
| 622 | |
|---|
| 623 | (define-class <mecab-tagger> () (m #f)) |
|---|
| 624 | |
|---|
| 625 | (define (mecab-make-tagger paramstr) |
|---|
| 626 | (make <mecab-tagger> :mecab (mecab paramstr))) |
|---|
| 627 | |
|---|
| 628 | (define (tagger-mecab tagger) (slot-ref tagger 'm)) |
|---|
| 629 | |
|---|
| 630 | (define-method parse ((tagger <mecab-tagger>) (str <string>)) |
|---|
| 631 | (mecab-sparse-tostr (tagger-mecab tagger) str)) |
|---|
| 632 | |
|---|
| 633 | (define-method parse ((tagger <mecab-tagger>) (str <string>) (len <integer>)) |
|---|
| 634 | (mecab-sparse-tostr2 (tagger-mecab tagger) str len)) |
|---|
| 635 | |
|---|
| 636 | (define-method parse-to-string ((tagger <mecab-tagger>) (str <string>)) |
|---|
| 637 | (mecab-sparse-tostr (tagger-mecab tagger) str)) |
|---|
| 638 | |
|---|
| 639 | (define-method parse-to-string ((tagger <mecab-tagger>) (str <string>) (len <integer>)) |
|---|
| 640 | (mecab-sparse-tostr (tagger-mecab tagger) str len)) |
|---|
| 641 | |
|---|
| 642 | (define-method parse-to-node ((tagger <mecab-tagger>) (str <string>)) |
|---|
| 643 | (mecab-sparse-tonode (tagger-mecab tagger) str)) |
|---|
| 644 | |
|---|
| 645 | (define-method parse-to-node ((tagger <mecab-tagger>) (str <string>) (len <integer>)) |
|---|
| 646 | (mecab-sparse-tonode2 (tagger-mecab tagger) str len)) |
|---|
| 647 | |
|---|
| 648 | (define-method parse-nbest ((tagger <mecab-tagger>) (n <integer>) (str <string>)) |
|---|
| 649 | (mecab-nbest-sparse-tostr (tagger-mecab tagger) str)) |
|---|
| 650 | |
|---|
| 651 | (define-method parse-nbest ((tagger <mecab-tagger>) (n <integer>) (str <string>) (len <integer>)) |
|---|
| 652 | (mecab-nbest-sparse-tostr (tagger-mecab tagger) str len)) |
|---|
| 653 | |
|---|
| 654 | (define-method parse-nbest-init ((tagger <mecab-tagger>) (str <string>)) |
|---|
| 655 | (mecab-nbest-init (tagger-mecab tagger) str)) |
|---|
| 656 | |
|---|
| 657 | (define-method parse-nbest-init ((tagger <mecab-tagger>) (str <string>) (len <integer>)) |
|---|
| 658 | (mecab-nbest-init (tagger-mecab tagger) str len)) |
|---|
| 659 | |
|---|
| 660 | (define-method next ((tagger <mecab-tagger>)) |
|---|
| 661 | (mecab-nbest-next-tostr (tagger-mecab tagger))) |
|---|
| 662 | |
|---|
| 663 | (define-method next-node ((tagger <mecab-tagger>)) |
|---|
| 664 | (mecab-nbest-next-tonode (tagger-mecab tagger))) |
|---|
| 665 | |
|---|
| 666 | (define-method format-node ((tagger <mecab-tagger>) (node <mecab-node>)) |
|---|
| 667 | (mecab-format-node (tagger-mecab tagger) node)) |
|---|
| 668 | |
|---|
| 669 | (provide "text/mecab") |
|---|
| 670 | |
|---|
| 671 | ;; Local variables: |
|---|
| 672 | ;; mode: scheme |
|---|
| 673 | ;; end: |
|---|