зеркало из https://github.com/mozilla/gecko-dev.git
701 строка
30 KiB
Common Lisp
701 строка
30 KiB
Common Lisp
;;; The contents of this file are subject to the Netscape Public License
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;;; Version 1.0 (the "NPL"); you may not use this file except in
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;;; compliance with the NPL. You may obtain a copy of the NPL at
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;;; http://www.mozilla.org/NPL/
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;;;
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;;; Software distributed under the NPL is distributed on an "AS IS" basis,
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;;; WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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;;; for the specific language governing rights and limitations under the
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;;; NPL.
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;;;
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;;; The Initial Developer of this code under the NPL is Netscape
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;;; Communications Corporation. Portions created by Netscape are
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;;; Copyright (C) 1998 Netscape Communications Corporation. All Rights
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;;; Reserved.
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;;;
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;;; RTF reader and writer
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;;;
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;;; Waldemar Horwat (waldemar@netscape.com)
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;;;
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;;; 1440 twips/inch
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;;; 20 twips/pt
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(defparameter *rtf-definitions*
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'((:rtf-intro rtf 1 mac ansicpg 10000 uc 1 deff 0 deflang 2057 deflangfe 2057)
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;Fonts
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((+ :rtf-intro) :fonttbl)
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(:fonttbl (fonttbl :fonts))
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(:times f 0)
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((+ :fonts) (:times froman fcharset 256 fprq 2 (* panose "02020603050405020304") "Times New Roman;"))
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(:symbol f 3)
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((+ :fonts) (:symbol ftech fcharset 2 fprq 2 "Symbol;"))
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(:helvetica f 4)
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((+ :fonts) (:helvetica fnil fcharset 256 fprq 2 "Helvetica;"))
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(:courier f 5)
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((+ :fonts) (:courier fmodern fcharset 256 fprq 2 "Courier New;"))
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(:palatino f 6)
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((+ :fonts) (:palatino fnil fcharset 256 fprq 2 "Palatino;"))
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(:zapf-chancery f 7)
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((+ :fonts) (:zapf-chancery fscript fcharset 256 fprq 2 "Zapf Chancery;"))
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(:zapf-dingbats f 8)
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((+ :fonts) (:zapf-dingbats ftech fcharset 2 fprq 2 "Zapf Dingbats;"))
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;Color table
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((+ :rtf-intro) :colortbl)
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(:colortbl (colortbl ";" ;0
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red 0 green 0 blue 0 ";" ;1
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red 0 green 0 blue 255 ";" ;2
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red 0 green 255 blue 255 ";" ;3
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red 0 green 255 blue 0 ";" ;4
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red 255 green 0 blue 255 ";" ;5
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red 255 green 0 blue 0 ";" ;6
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red 255 green 255 blue 0 ";" ;7
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red 255 green 255 blue 255 ";" ;8
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red 0 green 0 blue 128 ";" ;9
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red 0 green 128 blue 128 ";" ;10
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red 0 green 128 blue 0 ";" ;11
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red 128 green 0 blue 128 ";" ;12
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red 128 green 0 blue 0 ";" ;13
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red 128 green 128 blue 0 ";" ;14
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red 128 green 128 blue 128 ";" ;15
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red 192 green 192 blue 192 ";")) ;16
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(:black cf 1)
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(:blue cf 2)
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(:turquoise cf 3)
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(:bright-green cf 4)
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(:pink cf 5)
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(:red cf 6)
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(:yellow cf 7)
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(:white cf 8)
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(:dark-blue cf 9)
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(:teal cf 10)
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(:green cf 11)
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(:violet cf 12)
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(:dark-red cf 13)
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(:dark-yellow cf 14)
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(:gray-50 cf 15)
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(:gray-25 cf 16)
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;Misc.
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(:spc " ")
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(:tab2 tab)
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(:tab3 tab)
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(:8-pt fs 16)
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(:9-pt fs 18)
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(:10-pt fs 20)
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(:12-pt fs 24)
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(:no-language lang 1024)
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(:english lang 1033)
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(:english-uk lang 2057)
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(:reset-section sectd)
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(:new-section sect)
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(:reset-paragraph pard plain)
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((:new-paragraph t) par)
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((:new-line t) line)
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;Symbols (-10 suffix means 10-point, etc.)
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((:bullet 1) bullet)
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((:minus 1) endash)
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((:not-equal 1) u 8800 \' 173)
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((:less-or-equal 1) u 8804 \' 178)
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((:greater-or-equal 1) u 8805 \' 179)
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((:infinity 1) u 8734 \' 176)
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((:left-single-quote 1) lquote)
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((:right-single-quote 1) rquote)
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((:left-double-quote 1) ldblquote)
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((:right-double-quote 1) rdblquote)
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((:left-angle-quote 1) u 171 \' 199)
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((:right-angle-quote 1) u 187 \' 200)
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((:bottom-10 1) (field (* fldinst "SYMBOL 94 \\f \"Symbol\" \\s 10") (fldrslt :symbol :10-pt)))
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((:up-arrow-10 1) (field (* fldinst "SYMBOL 173 \\f \"Symbol\" \\s 10") (fldrslt :symbol :10-pt)))
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((:function-arrow-10 2) (field (* fldinst "SYMBOL 174 \\f \"Symbol\" \\s 10") (fldrslt :symbol :10-pt)))
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((:cartesian-product-10 2) (field (* fldinst "SYMBOL 180 \\f \"Symbol\" \\s 10") (fldrslt :symbol :10-pt)))
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((:identical-10 2) (field (* fldinst "SYMBOL 186 \\f \"Symbol\" \\s 10") (fldrslt :symbol :10-pt)))
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((:member-10 2) (field (* fldinst "SYMBOL 206 \\f \"Symbol\" \\s 10") (fldrslt :symbol :10-pt)))
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((:derives-10 2) (field (* fldinst "SYMBOL 222 \\f \"Symbol\" \\s 10") (fldrslt :symbol :10-pt)))
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((:left-triangle-bracket-10 1) (field (* fldinst "SYMBOL 225 \\f \"Symbol\" \\s 10") (fldrslt :symbol :10-pt)))
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((:right-triangle-bracket-10 1) (field (* fldinst "SYMBOL 241 \\f \"Symbol\" \\s 10") (fldrslt :symbol :10-pt)))
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((:big-plus-10 2) (field (* fldinst "SYMBOL 58 \\f \"Zapf Dingbats\" \\s 10") (fldrslt :zapf-dingbats :10-pt)))
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((:alpha 1) (field (* fldinst "SYMBOL 97 \\f \"Symbol\" \\s 10") (fldrslt :symbol :10-pt)))
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((:beta 1) (field (* fldinst "SYMBOL 98 \\f \"Symbol\" \\s 10") (fldrslt :symbol :10-pt)))
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((:chi 1) (field (* fldinst "SYMBOL 99 \\f \"Symbol\" \\s 10") (fldrslt :symbol :10-pt)))
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((:delta 1) (field (* fldinst "SYMBOL 100 \\f \"Symbol\" \\s 10") (fldrslt :symbol :10-pt)))
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((:epsilon 1) (field (* fldinst "SYMBOL 101 \\f \"Symbol\" \\s 10") (fldrslt :symbol :10-pt)))
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((:phi 1) (field (* fldinst "SYMBOL 102 \\f \"Symbol\" \\s 10") (fldrslt :symbol :10-pt)))
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((:gamma 1) (field (* fldinst "SYMBOL 103 \\f \"Symbol\" \\s 10") (fldrslt :symbol :10-pt)))
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((:eta 1) (field (* fldinst "SYMBOL 104 \\f \"Symbol\" \\s 10") (fldrslt :symbol :10-pt)))
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((:iota 1) (field (* fldinst "SYMBOL 105 \\f \"Symbol\" \\s 10") (fldrslt :symbol :10-pt)))
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((:kappa 1) (field (* fldinst "SYMBOL 107 \\f \"Symbol\" \\s 10") (fldrslt :symbol :10-pt)))
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((:lambda 1) (field (* fldinst "SYMBOL 108 \\f \"Symbol\" \\s 10") (fldrslt :symbol :10-pt)))
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((:mu 1) (field (* fldinst "SYMBOL 109 \\f \"Symbol\" \\s 10") (fldrslt :symbol :10-pt)))
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((:nu 1) (field (* fldinst "SYMBOL 110 \\f \"Symbol\" \\s 10") (fldrslt :symbol :10-pt)))
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((:omicron 1) (field (* fldinst "SYMBOL 111 \\f \"Symbol\" \\s 10") (fldrslt :symbol :10-pt)))
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((:pi 1) (field (* fldinst "SYMBOL 112 \\f \"Symbol\" \\s 10") (fldrslt :symbol :10-pt)))
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((:theta 1) (field (* fldinst "SYMBOL 113 \\f \"Symbol\" \\s 10") (fldrslt :symbol :10-pt)))
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((:rho 1) (field (* fldinst "SYMBOL 114 \\f \"Symbol\" \\s 10") (fldrslt :symbol :10-pt)))
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((:sigma 1) (field (* fldinst "SYMBOL 115 \\f \"Symbol\" \\s 10") (fldrslt :symbol :10-pt)))
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((:tau 1) (field (* fldinst "SYMBOL 116 \\f \"Symbol\" \\s 10") (fldrslt :symbol :10-pt)))
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((:upsilon 1) (field (* fldinst "SYMBOL 117 \\f \"Symbol\" \\s 10") (fldrslt :symbol :10-pt)))
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((:omega 1) (field (* fldinst "SYMBOL 119 \\f \"Symbol\" \\s 10") (fldrslt :symbol :10-pt)))
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((:xi 1) (field (* fldinst "SYMBOL 120 \\f \"Symbol\" \\s 10") (fldrslt :symbol :10-pt)))
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((:psi 1) (field (* fldinst "SYMBOL 121 \\f \"Symbol\" \\s 10") (fldrslt :symbol :10-pt)))
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((:zeta 1) (field (* fldinst "SYMBOL 122 \\f \"Symbol\" \\s 10") (fldrslt :symbol :10-pt)))
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;Styles
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((+ :rtf-intro) :stylesheet)
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(:stylesheet (stylesheet :styles))
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(:normal-num 0)
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(:normal s :normal-num)
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((+ :styles) (widctlpar :10-pt :english-uk snext :normal-num "Normal;"))
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(:body-text-num 1)
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(:body-text s :body-text-num qj sa 120 widctlpar :10-pt :english-uk)
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((+ :styles) (:body-text sbasedon :normal-num snext :body-text-num "Body Text;"))
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(:section-heading-num 2)
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(:section-heading s :section-heading-num sa 60 keep keepn nowidctlpar hyphpar 0 level 3 b :12-pt :english-uk)
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((+ :styles) (:section-heading sbasedon :subsection-heading-num snext :body-text-num "heading 3;"))
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(:subsection-heading-num 3)
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(:subsection-heading s :subsection-heading-num sa 30 keep keepn nowidctlpar hyphpar 0 level 4 b :10-pt :english-uk)
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((+ :styles) (:subsection-heading sbasedon :normal-num snext :body-text-num "heading 4;"))
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(:grammar-num 10)
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(:grammar s :grammar-num nowidctlpar hyphpar 0 :10-pt :no-language)
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((+ :styles) (:grammar sbasedon :normal-num snext :grammar-num "Grammar;"))
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(:grammar-header-num 11)
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(:grammar-header s :grammar-header-num sb 60 keep keepn nowidctlpar hyphpar 0 b :10-pt :english-uk)
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((+ :styles) (:grammar-header sbasedon :normal-num snext :grammar-lhs-num "Grammar Header;"))
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(:grammar-lhs-num 12)
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(:grammar-lhs s :grammar-lhs-num fi -1440 li 1800 sb 120 keep keepn nowidctlpar hyphpar 0 outlinelevel 4 :10-pt :no-language)
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((+ :styles) (:grammar-lhs sbasedon :grammar-num snext :grammar-rhs-num "Grammar LHS;"))
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(:grammar-lhs-last-num 13)
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(:grammar-lhs-last s :grammar-lhs-last-num fi -1440 li 1800 sb 120 sa 120 keep nowidctlpar hyphpar 0 outlinelevel 4 :10-pt :no-language)
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((+ :styles) (:grammar-lhs-last sbasedon :grammar-num snext :grammar-lhs-num "Grammar LHS Last;"))
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(:grammar-rhs-num 14)
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(:grammar-rhs s :grammar-rhs-num fi -1260 li 1800 keep keepn nowidctlpar tx 720 hyphpar 0 :10-pt :no-language)
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((+ :styles) (:grammar-rhs sbasedon :grammar-num snext :grammar-rhs-num "Grammar RHS;"))
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(:grammar-rhs-last-num 15)
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(:grammar-rhs-last s :grammar-rhs-last-num fi -1260 li 1800 sa 120 keep nowidctlpar tx 720 hyphpar 0 :10-pt :no-language)
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((+ :styles) (:grammar-rhs-last sbasedon :grammar-rhs-num snext :grammar-lhs-num "Grammar RHS Last;"))
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(:grammar-argument-num 16)
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(:grammar-argument s :grammar-argument-num fi -1440 li 1800 sb 120 sa 120 keep nowidctlpar hyphpar 0 outlinelevel 4 :10-pt :no-language)
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((+ :styles) (:grammar-argument sbasedon :grammar-num snext :grammar-lhs-num "Grammar Argument;"))
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(:semantics-num 20)
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(:semantics s :semantics-num li 180 sb 60 sa 60 keep nowidctlpar hyphpar 0 :10-pt :no-language)
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((+ :styles) (:semantics sbasedon :normal-num snext :semantics-num "Semantics;"))
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(:semantics-next-num 21)
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(:semantics-next s :semantics-next-num li 540 sa 60 keep nowidctlpar hyphpar 0 :10-pt :no-language)
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((+ :styles) (:semantics-next sbasedon :semantics-num snext :semantics-next-num "Semantics Next;"))
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(:default-paragraph-font-num 30)
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(:default-paragraph-font cs :default-paragraph-font-num)
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((+ :styles) (* :default-paragraph-font additive "Default Paragraph Font;"))
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(:character-literal-num 31)
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(:character-literal cs :character-literal-num b :courier :blue :no-language)
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((+ :styles) (* :character-literal additive sbasedon :default-paragraph-font-num "Character Literal;"))
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(:character-literal-control-num 32)
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(:character-literal-control cs :character-literal-control-num b 0 :times :dark-blue)
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((+ :styles) (* :character-literal-control additive sbasedon :default-paragraph-font-num "Character Literal Control;"))
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(:terminal-num 33)
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(:terminal cs :terminal-num b :palatino :teal :no-language)
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((+ :styles) (* :terminal additive sbasedon :default-paragraph-font-num "Terminal;"))
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(:terminal-keyword-num 34)
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(:terminal-keyword cs :terminal-keyword-num b :courier :blue :no-language)
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((+ :styles) (* :terminal-keyword additive sbasedon :terminal-num "Terminal Keyword;"))
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(:nonterminal-num 35)
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(:nonterminal cs :nonterminal-num i :palatino :dark-red :no-language)
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((+ :styles) (* :nonterminal additive sbasedon :default-paragraph-font-num "Nonterminal;"))
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(:nonterminal-attribute-num 36)
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(:nonterminal-attribute cs :nonterminal-attribute-num i 0)
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((+ :styles) (* :nonterminal-attribute additive sbasedon :default-paragraph-font-num "Nonterminal Attribute;"))
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(:nonterminal-argument-num 37)
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(:nonterminal-argument cs :nonterminal-argument-num)
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((+ :styles) (* :nonterminal-argument additive sbasedon :default-paragraph-font-num "Nonterminal Argument;"))
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(:semantic-keyword-num 40)
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(:semantic-keyword cs :semantic-keyword-num b :times)
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((+ :styles) (* :semantic-keyword additive sbasedon :default-paragraph-font-num "Semantic Keyword;"))
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(:type-expression-num 41)
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(:type-expression cs :type-expression-num :times :red :no-language)
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((+ :styles) (* :type-expression additive sbasedon :default-paragraph-font-num "Type Expression;"))
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(:type-name-num 42)
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(:type-name cs :type-name-num scaps :times :red :no-language)
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((+ :styles) (* :type-name additive sbasedon :type-expression-num "Type Name;"))
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(:field-name-num 43)
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(:field-name cs :field-name-num :helvetica :red :no-language)
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((+ :styles) (* :field-name additive sbasedon :type-expression-num "Field Name;"))
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(:global-variable-num 44)
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(:global-variable cs :global-variable-num i :times :green :no-language)
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((+ :styles) (* :global-variable additive sbasedon :default-paragraph-font-num "Global Variable;"))
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(:local-variable-num 45)
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(:local-variable cs :local-variable-num i :times :bright-green :no-language)
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((+ :styles) (* :local-variable additive sbasedon :default-paragraph-font-num "Local Variable;"))
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(:action-name-num 46)
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(:action-name cs :action-name-num :zapf-chancery :violet :no-language)
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((+ :styles) (* :action-name additive sbasedon :default-paragraph-font-num "Action Name;"))
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;Document Formatting
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((+ :rtf-intro) :docfmt)
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(:docfmt widowctrl
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ftnbj ;footnotes at bottom of page
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aenddoc ;endnotes at end of document
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fet 0 ;footnotes only -- no endnotes
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formshade ;shade form fields
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viewkind 4 ;normal view mode
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viewscale 125 ;125% view
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pgbrdrhead ;page border surrounds header
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pgbrdrfoot) ;page border surrounds footer
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;Section Formatting
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;Specials
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(:invisible v)
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((:but-not 6) (b "except"))
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(:subscript sub)
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(:superscript super)
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(:plain-subscript b 0 i 0 :subscript)
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((:action-begin 1) "[")
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((:action-end 1) "]")
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((:vector-begin 1) (b "["))
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((:vector-end 1) (b "]"))
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((:empty-vector 2) (b "[]"))
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((:vector-append 2) :big-plus-10)
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((:tuple-begin 1) (b :left-triangle-bracket-10))
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((:tuple-end 1) (b :right-triangle-bracket-10))
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((:unit 4) (:global-variable "unit"))
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((:true 4) (:global-variable "true"))
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((:false 5) (:global-variable "false"))
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))
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;;; ------------------------------------------------------------------------------------------------------
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;;; SIMPLE LINE BREAKER
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(defparameter *limited-line-right-margin* 100)
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; Housekeeping dynamic variables
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(defvar *current-limited-lines*) ;Items written so far via break-line to the innermost write-limited-lines
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(defvar *current-limited-lines-non-empty*) ;True if something was written to *current-limited-lines*
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(defvar *current-limited-position*) ;Number of characters written since the last newline to *current-limited-lines*
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; Capture the text written by the emitter function to its single parameter
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; (an output stream), dividing the text as specified by dynamically scoped calls
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; to break-line. Return the text as a base-string.
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(defun write-limited-lines (emitter)
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(let ((limited-stream (make-string-output-stream :element-type 'base-character))
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(*current-limited-lines* (make-string-output-stream :element-type 'base-character))
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(*current-limited-lines-non-empty* nil)
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(*current-limited-position* 0))
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(funcall emitter limited-stream)
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(break-line limited-stream)
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(get-output-stream-string *current-limited-lines*)))
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; Capture the text written by the emitter body to stream-var,
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; dividing the text as specified by dynamically scoped calls
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; to break-line. Write the result to the stream-var stream.
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(defmacro write-limited-block (stream-var &body emitter)
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`(progn
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(write-string
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(write-limited-lines #'(lambda (,stream-var) ,@emitter))
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,stream-var)
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nil))
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; Indicate that this is a potential place for a line break in the stream provided
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; by write-limited-lines. If subdivide is true, also indicate that line breaks can
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; be inserted anywhere between this point and the last such point indicated by break-line
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; (or the beginning of write-limited-lines, whichever came last).
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(defun break-line (limited-stream &optional subdivide)
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(let* ((new-chars (get-output-stream-string limited-stream))
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(length (length new-chars)))
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(unless (zerop length)
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(labels
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((subdivide-new-chars (start)
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(let ((length-remaining (- length start))
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(room-on-line (- *limited-line-right-margin* *current-limited-position*)))
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(if (>= room-on-line length-remaining)
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(progn
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(write-string new-chars *current-limited-lines* :start start)
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(incf *current-limited-position* length-remaining))
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(let ((end (+ start room-on-line)))
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(write-string new-chars *current-limited-lines* :start start :end end)
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(write-char #\newline *current-limited-lines*)
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(setq *current-limited-position* 0)
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(subdivide-new-chars end))))))
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(let ((position (+ *current-limited-position* length))
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(has-newlines (find #\newline new-chars)))
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(cond
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((or has-newlines
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(and (> position *limited-line-right-margin*) (not subdivide)))
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(when *current-limited-lines-non-empty*
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(write-char #\newline *current-limited-lines*))
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(write-string new-chars *current-limited-lines*)
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;Force a line break if break-line is called again and the current
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;new-chars contained a line break.
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(setq *current-limited-position*
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(if has-newlines
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|
(1+ *limited-line-right-margin*)
|
|
length)))
|
|
((<= position *limited-line-right-margin*)
|
|
(write-string new-chars *current-limited-lines*)
|
|
(setq *current-limited-position* position))
|
|
((>= *current-limited-position* *limited-line-right-margin*)
|
|
(write-char #\newline *current-limited-lines*)
|
|
(setq *current-limited-position* 0)
|
|
(subdivide-new-chars 0))
|
|
(t (subdivide-new-chars 0)))
|
|
(setq *current-limited-lines-non-empty* t))))))
|
|
|
|
|
|
;;; ------------------------------------------------------------------------------------------------------
|
|
;;; RTF READER
|
|
|
|
|
|
; Return true if char can be a part of an RTF control word.
|
|
(defun rtf-control-word-char? (char)
|
|
(and (char>= char #\a) (char<= char #\z)))
|
|
|
|
|
|
; Read RTF from the character stream and return it in list form.
|
|
; Each { ... } group is a sublist.
|
|
; Each RTF control symbol or word is represented by a lisp symbol.
|
|
; If an RTF control has a numeric argument, then its lisp symbol is followed
|
|
; by an integer equal to the argument's value.
|
|
; Newlines not escaped by backslashes are ignored.
|
|
(defun read-rtf (stream)
|
|
(labels
|
|
((read (&optional (eof-error-p t))
|
|
(read-char stream eof-error-p nil))
|
|
|
|
(read-group (nested)
|
|
(let ((char (read nested)))
|
|
(case char
|
|
((nil) nil)
|
|
(#\} (if nested
|
|
nil
|
|
(error "Mismatched }")))
|
|
(#\{ (cons
|
|
(read-group t)
|
|
(read-group nested)))
|
|
(#\\ (append
|
|
(read-control)
|
|
(read-group nested)))
|
|
(#\newline (read-group nested))
|
|
(t (read-text nested (list char))))))
|
|
|
|
(read-text (nested chars)
|
|
(let ((char (read nested)))
|
|
(case char
|
|
((nil)
|
|
(list (coerce (nreverse chars) 'string)))
|
|
((#\{ #\} #\\)
|
|
(cons (coerce (nreverse chars) 'string)
|
|
(progn
|
|
(unread-char char stream)
|
|
(read-group nested))))
|
|
(#\newline (read-text nested chars))
|
|
(t (read-text nested (cons char chars))))))
|
|
|
|
(read-integer (value need-digit)
|
|
(let* ((char (read))
|
|
(digit (digit-char-p char)))
|
|
(cond
|
|
(digit (read-integer (+ (* value 10) digit) nil))
|
|
(need-digit (error "Empty number"))
|
|
((eql char #\space) value)
|
|
(t (unread-char char stream)
|
|
value))))
|
|
|
|
(read-hex (n-digits)
|
|
(let ((value 0))
|
|
(dotimes (n n-digits)
|
|
(let ((digit (digit-char-p (read) 16)))
|
|
(unless digit
|
|
(error "Bad hex digit"))
|
|
(setq value (+ (* value 16) digit))))
|
|
value))
|
|
|
|
(read-control ()
|
|
(let ((char (read)))
|
|
(if (rtf-control-word-char? char)
|
|
(let* ((control-string (read-control-word (list char)))
|
|
(control-symbol (intern (string-upcase control-string)))
|
|
(char (read)))
|
|
(case char
|
|
(#\space (list control-symbol))
|
|
(#\- (list control-symbol (- (read-integer 0 t))))
|
|
((#\0 #\1 #\2 #\3 #\4 #\5 #\6 #\7 #\8 #\9)
|
|
(unread-char char stream)
|
|
(list control-symbol (read-integer 0 t)))
|
|
(t (unread-char char stream)
|
|
(list control-symbol))))
|
|
(let* ((control-string (string char))
|
|
(control-symbol (intern (string-upcase control-string))))
|
|
(if (eq control-symbol '\')
|
|
(list control-symbol (read-hex 2))
|
|
(list control-symbol))))))
|
|
|
|
(read-control-word (chars)
|
|
(let ((char (read)))
|
|
(if (rtf-control-word-char? char)
|
|
(read-control-word (cons char chars))
|
|
(progn
|
|
(unread-char char stream)
|
|
(coerce (nreverse chars) 'string))))))
|
|
|
|
(read-group nil)))
|
|
|
|
|
|
; Read RTF from the text file with the given name (relative to the
|
|
; local directory) and return it in list form.
|
|
(defun read-rtf-from-local-file (filename)
|
|
(with-open-file (stream (merge-pathnames filename *semantic-engine-directory*)
|
|
:direction :input)
|
|
(read-rtf stream)))
|
|
|
|
|
|
;;; ------------------------------------------------------------------------------------------------------
|
|
;;; RTF WRITER
|
|
|
|
|
|
(defconstant *rtf-special* '(#\\ #\{ #\}))
|
|
|
|
|
|
; Return the string with characters in *rtf-special* preceded by backslashes.
|
|
; If there are no such characters, the returned string may be eq to the input string.
|
|
(defun escape-rtf (string)
|
|
(let ((i (position-if #'(lambda (char) (member char *rtf-special*)) string)))
|
|
(if i
|
|
(let* ((string-length (length string))
|
|
(result-string (make-array string-length :element-type 'base-character :adjustable t :fill-pointer i)))
|
|
(replace result-string string)
|
|
(do ((i i (1+ i)))
|
|
((= i string-length))
|
|
(let ((char (char string i)))
|
|
(when (member char *rtf-special*)
|
|
(vector-push-extend #\\ result-string))
|
|
(vector-push-extend char result-string)))
|
|
result-string)
|
|
string)))
|
|
|
|
|
|
; Write RTF to the character stream. See read-rtf for a description
|
|
; of the layout of the rtf list.
|
|
(defun write-rtf (rtf &optional (stream t))
|
|
(labels
|
|
((write-group-contents (rtf stream)
|
|
(let ((first-rtf (first rtf))
|
|
(rest-rtf (rest rtf)))
|
|
(cond
|
|
((listp first-rtf)
|
|
(write-group first-rtf stream t))
|
|
((stringp first-rtf)
|
|
(write-string (escape-rtf first-rtf) stream)
|
|
(break-line stream t))
|
|
((symbolp first-rtf)
|
|
(write-char #\\ stream)
|
|
(write first-rtf :stream stream)
|
|
(cond
|
|
((alpha-char-p (char (symbol-name first-rtf) 0))
|
|
(when (integerp (first rest-rtf))
|
|
(write (first rest-rtf) :stream stream)
|
|
(setq rest-rtf (rest rest-rtf)))
|
|
(let ((first-rest (first rest-rtf)))
|
|
(when (and (stringp first-rest)
|
|
(or (zerop (length first-rest))
|
|
(let ((ch (char first-rest 0)))
|
|
(or (alphanumericp ch)
|
|
(eql ch #\space)
|
|
(eql ch #\-)
|
|
(eql ch #\+)))))
|
|
(write-char #\space stream))))
|
|
((eq first-rtf '\')
|
|
(unless (integerp (first rest-rtf))
|
|
(error "Bad rtf: ~S" rtf))
|
|
(format stream "~2,'0x" (first rest-rtf))
|
|
(setq rest-rtf (rest rest-rtf)))))
|
|
(t (error "Bad rtf: ~S" rtf)))
|
|
(when rest-rtf
|
|
(break-line stream)
|
|
(write-group-contents rest-rtf stream))))
|
|
|
|
(write-group (rtf stream nested)
|
|
(write-limited-block stream
|
|
(when nested
|
|
(write-char #\{ stream))
|
|
(when rtf
|
|
(write-group-contents rtf stream))
|
|
(when nested
|
|
(write-char #\} stream)))))
|
|
|
|
(with-standard-io-syntax
|
|
(let ((*print-readably* nil)
|
|
(*print-escape* nil)
|
|
(*print-case* :downcase))
|
|
(write-group rtf stream nil)))))
|
|
|
|
|
|
; Write RTF to the text file with the given name (relative to the
|
|
; local directory).
|
|
(defun write-rtf-to-local-file (filename rtf)
|
|
(with-open-file (stream (merge-pathnames filename *semantic-engine-directory*)
|
|
:direction :output
|
|
:if-exists :supersede
|
|
#+mcl :external-format #+mcl "RTF "
|
|
#+mcl :mac-file-creator #+mcl "MSWD")
|
|
(write-rtf rtf stream)))
|
|
|
|
|
|
;;; ------------------------------------------------------------------------------------------------------
|
|
;;; RTF STREAMS
|
|
|
|
(defstruct (rtf-stream (:include markup-stream)
|
|
(:constructor allocate-rtf-stream (env head tail level logical-position))
|
|
(:copier nil)
|
|
(:predicate rtf-stream?))
|
|
(style nil :type symbol)) ;Current section or paragraph style or nil if none or emitting paragraph contents
|
|
|
|
|
|
(defmethod print-object ((rtf-stream rtf-stream) stream)
|
|
(print-unreadable-object (rtf-stream stream :identity t)
|
|
(write-string "rtf-stream" stream)))
|
|
|
|
|
|
; Make a new, empty, open rtf-stream with the given definitions for its markup-env.
|
|
(defun make-rtf-stream (markup-env level &optional logical-position)
|
|
(let ((head (list nil)))
|
|
(allocate-rtf-stream markup-env head head level logical-position)))
|
|
|
|
|
|
; Make a new, empty, open, top-level rtf-stream with the given definitions
|
|
; for its markup-env.
|
|
(defun make-top-level-rtf-stream (rtf-definitions)
|
|
(let ((head (list nil))
|
|
(markup-env (make-markup-env)))
|
|
(markup-env-define-alist markup-env rtf-definitions)
|
|
(allocate-rtf-stream markup-env head head *markup-stream-top-level* nil)))
|
|
|
|
|
|
; Append a block to the end of the rtf-stream. The block may be inlined
|
|
; if nothing else follows it in the rtf-stream.
|
|
(defun rtf-stream-append-or-inline-block (rtf-stream block)
|
|
(assert-type block list)
|
|
(when block
|
|
(let ((pretail (markup-stream-tail rtf-stream)))
|
|
(markup-stream-append1 rtf-stream block)
|
|
(setf (markup-stream-pretail rtf-stream) pretail))))
|
|
|
|
|
|
; Return the approximate width of the rtf item; return t if it is a line break.
|
|
; Also allow rtf groups as long as they do not contain line breaks.
|
|
(defmethod markup-group-width ((rtf-stream rtf-stream) item)
|
|
(if (consp item)
|
|
(reduce #'+ item :key #'(lambda (subitem) (markup-group-width rtf-stream subitem)))
|
|
(markup-width rtf-stream item)))
|
|
|
|
|
|
; Create a top-level rtf-stream and call emitter to emit its contents.
|
|
; emitter takes one argument -- an rtf-stream to which it should emit paragraphs.
|
|
; Return the top-level rtf-stream.
|
|
(defun depict-rtf-top-level (emitter)
|
|
(let* ((top-rtf-stream (make-top-level-rtf-stream *rtf-definitions*))
|
|
(rtf-stream (make-rtf-stream (markup-stream-env top-rtf-stream) *markup-stream-paragraph-level*)))
|
|
(markup-stream-append1 rtf-stream ':rtf-intro)
|
|
(markup-stream-append1 rtf-stream ':reset-section)
|
|
(funcall emitter rtf-stream)
|
|
(markup-stream-append1 top-rtf-stream (markup-stream-unexpanded-output rtf-stream))
|
|
top-rtf-stream))
|
|
|
|
|
|
; Create a top-level rtf-stream and call emitter to emit its contents.
|
|
; emitter takes one argument -- an rtf-stream to which it should emit paragraphs.
|
|
; Write the resulting RTF to the text file with the given name (relative to the
|
|
; local directory).
|
|
(defun depict-rtf-to-local-file (filename emitter)
|
|
(let ((top-rtf-stream (depict-rtf-top-level emitter)))
|
|
(write-rtf-to-local-file filename (markup-stream-output top-rtf-stream))))
|
|
|
|
|
|
; Return the markup accumulated in the markup-stream after expanding all of its macros.
|
|
; The markup-stream is closed after this function is called.
|
|
(defmethod markup-stream-output ((rtf-stream rtf-stream))
|
|
(markup-env-expand (markup-stream-env rtf-stream) (markup-stream-unexpanded-output rtf-stream) nil))
|
|
|
|
|
|
(defmethod depict-block-style-f ((rtf-stream rtf-stream) block-style emitter)
|
|
(declare (ignore block-style))
|
|
(assert-true (= (markup-stream-level rtf-stream) *markup-stream-paragraph-level*))
|
|
(funcall emitter rtf-stream))
|
|
|
|
|
|
(defmethod depict-paragraph-f ((rtf-stream rtf-stream) paragraph-style emitter)
|
|
(assert-true (= (markup-stream-level rtf-stream) *markup-stream-paragraph-level*))
|
|
(assert-true (and paragraph-style (symbolp paragraph-style)))
|
|
(unless (eq paragraph-style (rtf-stream-style rtf-stream))
|
|
(markup-stream-append1 rtf-stream ':reset-paragraph)
|
|
(markup-stream-append1 rtf-stream paragraph-style))
|
|
(setf (rtf-stream-style rtf-stream) nil)
|
|
(setf (markup-stream-level rtf-stream) *markup-stream-content-level*)
|
|
(setf (markup-stream-logical-position rtf-stream) (make-logical-position))
|
|
(prog1
|
|
(funcall emitter rtf-stream)
|
|
(setf (markup-stream-level rtf-stream) *markup-stream-paragraph-level*)
|
|
(setf (rtf-stream-style rtf-stream) paragraph-style)
|
|
(setf (markup-stream-logical-position rtf-stream) nil)
|
|
(markup-stream-append1 rtf-stream ':new-paragraph)))
|
|
|
|
|
|
(defmethod depict-char-style-f ((rtf-stream rtf-stream) char-style emitter)
|
|
(assert-true (>= (markup-stream-level rtf-stream) *markup-stream-content-level*))
|
|
(assert-true (and char-style (symbolp char-style)))
|
|
(let ((inner-rtf-stream (make-rtf-stream (markup-stream-env rtf-stream) *markup-stream-content-level* (markup-stream-logical-position rtf-stream))))
|
|
(markup-stream-append1 inner-rtf-stream char-style)
|
|
(prog1
|
|
(funcall emitter inner-rtf-stream)
|
|
(rtf-stream-append-or-inline-block rtf-stream (markup-stream-unexpanded-output inner-rtf-stream)))))
|
|
|
|
|
|
#|
|
|
(setq r (read-rtf-from-local-file "SampleStyles.rtf"))
|
|
(write-rtf-to-local-file "Y.rtf" r)
|
|
|#
|