(unidata-prop-alist): Set `numric-value'
property generator to unidata-gen-table-numeric. (unidata-get-numeric, unidata-put-numeric) (unidata-gen-table-numeric): New functions. (unidata-encode-val): Use assoc to get a slot in VAL-LIST.
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1 changed files with 59 additions and 2 deletions
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@ -179,7 +179,7 @@ Property value is an integer.")
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"Unicode numeric value (digit).
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Property value is an integer.")
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(numeric-value
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8 unidata-gen-table-symbol "uni-numeric.el"
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8 unidata-gen-table-numeric "uni-numeric.el"
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"Unicode numeric value (numeric).
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Property value is a symbol.")
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(mirrored
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@ -393,6 +393,34 @@ Property value is a character."
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(setq first-char (1+ first-char))))
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this-val)))))
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;; Return a numeric-type (integer or float) character property value
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;; of CHAR. VAL is the current value of (aref TABLE CHAR).
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(defun unidata-get-numeric (char val table)
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(cond
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((numberp val)
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val)
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((stringp val)
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(let ((val-table (char-table-extra-slot table 4))
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(first-char (lsh (lsh char -7) 7))
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(str val)
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(len (length val))
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(idx 0)
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this-val count)
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(while (< idx len)
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(setq val (aref str idx) idx (1+ idx)
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count (if (< idx len) (aref str idx) 1))
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(setq val (and (> val 0) (aref val-table (1- val)))
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count (if (< count 128)
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1
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(prog1 (- count 128) (setq idx (1+ idx)))))
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(dotimes (i count)
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(aset table first-char val)
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(if (= first-char char)
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(setq this-val val))
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(setq first-char (1+ first-char))))
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this-val))))
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;; Store VAL (symbol) as a character property value of CHAR in TABLE.
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(defun unidata-put-symbol (char val table)
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@ -416,6 +444,19 @@ Property value is a character."
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(funcall (char-table-extra-slot table 1) char current-val table))
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(aset table char val))))
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;; Store VAL (integer or float) as a character property value of CHAR
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;; in TABLE.
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(defun unidata-put-numeric (char val table)
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(or (numberp val)
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(not val)
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(error "Not a number nor nil: %S" val))
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(let ((current-val (aref table char)))
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(unless (equal current-val val)
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(if (stringp current-val)
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(funcall (char-table-extra-slot table 1) char current-val table))
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(aset table char val))))
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;; Encode the character property value VAL into an integer value by
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;; VAL-LIST. By side effect, VAL-LIST is modified.
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;; VAL-LIST has this form:
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@ -425,7 +466,7 @@ Property value is a character."
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;; (t (VAL . (1+ VAL-CODE1)) (VAL1 . VAL-CODE1) (VAL2 . VAL-CODE2) ...)
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(defun unidata-encode-val (val-list val)
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(let ((slot (assq val val-list))
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(let ((slot (assoc val val-list))
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val-code)
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(if slot
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(cdr slot)
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@ -519,6 +560,22 @@ Property value is a character."
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(set-char-table-extra-slot table 2 (symbol-function 'unidata-put-integer))
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table))
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(defun unidata-gen-table-numeric (prop)
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(let ((table (unidata-gen-table prop
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#'(lambda (x)
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(if (string-match "/" x)
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(/ (float (string-to-number x))
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(string-to-number
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(substring x (match-end 0))))
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(if (> (length x) 0)
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(string-to-number x))))
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t)))
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(byte-compile 'unidata-get-numeric)
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(byte-compile 'unidata-put-numeric)
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(set-char-table-extra-slot table 1 (symbol-function 'unidata-get-numeric))
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(set-char-table-extra-slot table 2 (symbol-function 'unidata-put-numeric))
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table))
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;; WORD-LIST TABLE
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