/usr/share/sgml/docbook/stylesheet/dsssl/modular/html/dbgraph.dsl is in docbook-dsssl 1.79-9.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 | ;; $Id: dbgraph.dsl,v 1.6 2003/03/25 19:53:40 adicarlo Exp $
;;
;; This file is part of the Modular DocBook Stylesheet distribution.
;; See ../README or http://docbook.sourceforge.net/projects/dsssl/
;;
;; ==================== GRAPHICS ====================
(define (graphic-file filename)
(let ((ext (file-extension filename)))
(if (or (not filename)
(not %graphic-default-extension%)
(member ext %graphic-extensions%))
filename
(string-append filename "." %graphic-default-extension%))))
(define (graphic-attrs imagefile instance-alt)
(let* ((grove (sgml-parse image-library-filename))
(imagelib (node-property 'document-element
(node-property 'grove-root grove)))
(images (select-elements (children imagelib) "image"))
(image (let loop ((imglist images))
(if (node-list-empty? imglist)
#f
(if (equal? (attribute-string
"filename"
(node-list-first imglist))
imagefile)
(node-list-first imglist)
(loop (node-list-rest imglist))))))
(prop (if image
(select-elements (children image) "properties")
#f))
(metas (if prop
(select-elements (children prop) "meta")
#f))
(attrs (if metas
(let loop ((meta metas) (attrlist '()))
(if (node-list-empty? meta)
attrlist
(if (equal? (attribute-string
"imgattr"
(node-list-first meta))
"yes")
(loop (node-list-rest meta)
(append attrlist
(list
(list
(attribute-string
"name"
(node-list-first meta))
(attribute-string
"content"
(node-list-first meta))))))
(loop (node-list-rest meta) attrlist))))
'()))
(width (if prop (attribute-string "width" prop) #f))
(height (if prop (attribute-string "height" prop) #f))
(alttext (if image
(select-elements (children image) "alttext")
(empty-node-list)))
(alt (if instance-alt
instance-alt
(if (node-list-empty? alttext)
#f
(data alttext)))))
(if (or width height alt (not (null? attrs)))
(append
attrs
(if width (list (list "WIDTH" width)) '())
(if height (list (list "HEIGHT" height)) '())
(if (not (node-list-empty? alttext)) (list (list "ALT" alt)) '()))
'())))
(define ($graphic$ fileref
#!optional (format #f) (alt #f) (align #f) (width #f) (height #f))
(let ((img-attr (append
(list (list "SRC" (graphic-file fileref)))
(if align (list (list "ALIGN" align)) '())
(if width (list (list "WIDTH" width)) '())
(if height (list (list "HEIGHT" height)) '())
(if image-library (graphic-attrs fileref alt) '()))))
(make empty-element gi: "IMG"
attributes: img-attr)))
(define ($img$ #!optional (nd (current-node)) (alt #f))
;; This function now supports an extension to DocBook. It's
;; either a clever trick or an ugly hack, depending on your
;; point of view, but it'll hold us until XLink is finalized
;; and we can extend DocBook the "right" way.
;;
;; If the entity passed to GRAPHIC has the FORMAT
;; "LINESPECIFIC", either because that's what's specified or
;; because it's the notation of the supplied ENTITYREF, then
;; the text of the entity is inserted literally (via Jade's
;; read-entity external procedure).
;;
(let* ((fileref (attribute-string (normalize "fileref") nd))
(entityref (attribute-string (normalize "entityref") nd))
(format (if (attribute-string (normalize "format") nd)
(attribute-string (normalize "format") nd)
(if entityref
(entity-notation entityref)
#f)))
(align (attribute-string (normalize "align") nd))
(width (attribute-string (normalize "width") nd))
(height (attribute-string (normalize "depth") nd)))
(if (or fileref entityref)
(if (equal? format (normalize "linespecific"))
(if fileref
(include-file fileref)
(include-file (entity-generated-system-id entityref)))
(if fileref
($graphic$ fileref format alt align width height)
($graphic$ (system-id-filename entityref)
format alt align width height)))
(empty-sosofo))))
(element graphic
(make element gi: "P"
($img$)))
(element inlinegraphic
($img$))
;; ======================================================================
;; MediaObject and friends...
(define preferred-mediaobject-notations
(list "JPG" "JPEG" "PNG" "linespecific"))
(define preferred-mediaobject-extensions
(list "jpeg" "jpg" "png" "avi" "mpg" "mpeg" "qt"))
(define acceptable-mediaobject-notations
(list "GIF" "GIF87a" "GIF89a" "BMP" "WMF"))
(define acceptable-mediaobject-extensions
(list "gif" "bmp" "wmf"))
(element mediaobject
(make element gi: "DIV"
attributes: (list (list "CLASS" (gi)))
(make element gi: "P"
($mediaobject$))))
(element inlinemediaobject
(make element gi: "SPAN"
attributes: (list (list "CLASS" (gi)))
($mediaobject$)))
(element mediaobjectco
(process-children))
(element imageobjectco
(process-children))
(element objectinfo
(empty-sosofo))
(element videoobject
(process-children))
(element videodata
(let ((filename (data-filename (current-node))))
(make element gi: "EMBED"
attributes: (list (list "SRC" filename)))))
(element audioobject
(process-children))
(element audiodata
(let ((filename (data-filename (current-node))))
(make element gi: "EMBED"
attributes: (list (list "SRC" filename)))))
(element imageobject
(process-children))
(element imagedata
(let* ((filename (data-filename (current-node)))
(mediaobj (parent (parent (current-node))))
(textobjs (select-elements (children mediaobj)
(normalize "textobject")))
(alttext (let loop ((nl textobjs) (alttext #f))
(if (or alttext (node-list-empty? nl))
alttext
(let ((phrase (select-elements
(children
(node-list-first nl))
(normalize "phrase"))))
(if (node-list-empty? phrase)
(loop (node-list-rest nl) #f)
(loop (node-list-rest nl)
(data (node-list-first phrase))))))))
(fileref (attribute-string (normalize "fileref")))
(entityref (attribute-string (normalize "entityref")))
(format (if (attribute-string (normalize "format"))
(attribute-string (normalize "format"))
(if entityref
(entity-notation entityref)
#f))))
(if (equal? format (normalize "linespecific"))
(if fileref
(include-file fileref)
(include-file (entity-generated-system-id entityref)))
($img$ (current-node) alttext))))
(element textobject
(make element gi: "DIV"
attributes: (list (list "CLASS" (gi)))
(process-children)))
(element caption
(make element gi: "DIV"
attributes: (list (list "CLASS" (gi)))
(process-children)))
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