source: clfs-sysroot/BOOK/stylesheets/lfs-xsl/docbook-xsl-snapshot/fo/graphics.xsl@ 11462e6

Last change on this file since 11462e6 was ee92a8c, checked in by Manuel Canales Esparcia <manuel@…>, 17 years ago

Updated DocBook-XSL code to version 1.73.2
  • Property mode set to 100644
File size: 21.4 KB
RevLine 
[a18aefd]1<?xml version='1.0'?>
2<!DOCTYPE xsl:stylesheet [
3<!ENTITY lowercase "'abcdefghijklmnopqrstuvwxyz'">
4<!ENTITY uppercase "'ABCDEFGHIJKLMNOPQRSTUVWXYZ'">
5 ]>
6<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
7 xmlns:fo="http://www.w3.org/1999/XSL/Format"
8 xmlns:xlink="http://www.w3.org/1999/xlink"
9 xmlns:stext="http://nwalsh.com/xslt/ext/com.nwalsh.saxon.TextFactory"
10 xmlns:xtext="com.nwalsh.xalan.Text"
11 xmlns:lxslt="http://xml.apache.org/xslt"
12 exclude-result-prefixes="xlink stext xtext lxslt"
13 extension-element-prefixes="stext xtext"
14 version='1.0'>
15
16<!-- ********************************************************************
17 $Id$
18 ********************************************************************
19
20 This file is part of the XSL DocBook Stylesheet distribution.
21 See ../README or http://docbook.sf.net/release/xsl/current/ for
22 copyright and other information.
23
24 Contributors:
25 Colin Paul Adams, <colin@colina.demon.co.uk>
26 Paul Grosso, <pgrosso@arbortext.com>
27
28 ******************************************************************** -->
29
30<!-- ==================================================================== -->
31<!-- Graphic format tests for the FO backend -->
32
33<xsl:param name="graphic.notations">
34 <!-- n.b. exactly one leading space, one trailing space, and one inter-word space -->
35 <xsl:choose>
36 <xsl:when test="$passivetex.extensions != 0">
37 <xsl:text> PNG PDF JPG JPEG linespecific </xsl:text>
38 </xsl:when>
39 <xsl:when test="$fop1.extensions != 0">
40 <xsl:text> BMP GIF TIFF SVG PNG EPS JPG JPEG linespecific </xsl:text>
41 </xsl:when>
42 <xsl:when test="$fop.extensions != 0">
43 <xsl:text> BMP GIF TIFF SVG PNG EPS JPG JPEG linespecific </xsl:text>
44 </xsl:when>
45 <xsl:when test="$arbortext.extensions != 0">
46 <xsl:text> PNG PDF JPG JPEG linespecific GIF GIF87a GIF89a TIFF BMP </xsl:text>
47 </xsl:when>
48 <xsl:when test="$xep.extensions != 0">
49 <xsl:text> SVG PNG PDF JPG JPEG linespecific GIF GIF87a GIF89a TIFF BMP </xsl:text>
50 </xsl:when>
51 <xsl:otherwise>
52 <xsl:text> PNG PDF JPG JPEG linespecific GIF GIF87a GIF89a TIFF BMP </xsl:text>
53 </xsl:otherwise>
54 </xsl:choose>
55</xsl:param>
56
57<xsl:template name="is.graphic.format">
58 <xsl:param name="format"/>
59 <xsl:if test="contains($graphic.notations, concat(' ',$format,' '))">1</xsl:if>
60</xsl:template>
61
62<xsl:param name="graphic.extensions">
63 <!-- n.b. exactly one leading space, one trailing space, and one inter-word space -->
64 <xsl:choose>
65 <xsl:when test="$passivetex.extensions != 0">
66 <xsl:text> png pdf jpg jpeg </xsl:text>
67 </xsl:when>
68 <xsl:when test="$fop1.extensions != 0">
69 <xsl:text> bmp gif tif tiff svg png pdf jpg jpeg eps </xsl:text>
70 </xsl:when>
71 <xsl:when test="$fop.extensions != 0">
72 <xsl:text> bmp gif tif tiff svg png pdf jpg jpeg eps </xsl:text>
73 </xsl:when>
74 <xsl:when test="$arbortext.extensions != 0">
75 <xsl:text> png pdf jpg jpeg gif tif tiff bmp </xsl:text>
76 </xsl:when>
77 <xsl:when test="$xep.extensions != 0">
78 <xsl:text> svg png pdf jpg jpeg gif tif tiff bmp eps </xsl:text>
79 </xsl:when>
80 <xsl:otherwise>
81 <xsl:text> svg png pdf jpg jpeg gif tif tiff bmp eps </xsl:text>
82 </xsl:otherwise>
83 </xsl:choose>
84</xsl:param>
85
86<xsl:template name="is.graphic.extension">
87 <xsl:param name="ext"/>
88 <xsl:variable name="lcext" select="translate($ext,
89 'ABCDEFGHIJKLMNOPQRSTUVWXYZ',
90 'abcdefghijklmnopqrstuvwxyz')"/>
91
92 <xsl:if test="contains($graphic.extensions,
93 concat(' ', $lcext, ' '))">1</xsl:if>
94</xsl:template>
95
96<xsl:template name="graphic.format.content-type">
97 <xsl:param name="format"/>
98 <xsl:variable name="is.graphic.format">
99 <xsl:call-template name="is.graphic.format">
100 <xsl:with-param name="format" select="$format"/>
101 </xsl:call-template>
102 </xsl:variable>
103 <xsl:if test="$is.graphic.format">
104 <xsl:choose>
105 <xsl:when test="$format = ''"></xsl:when>
106 <xsl:when test="$format = 'linespecific'"></xsl:when>
107 <xsl:when test="$format = 'PS'">application/postscript</xsl:when>
108 <xsl:when test="$format = 'PDF'">application/pdf</xsl:when>
109 <xsl:when test="$format = 'PNG'">image/png</xsl:when>
110 <xsl:when test="$format = 'SVG'">image/svg+xml</xsl:when>
111 <xsl:when test="$format = 'JPG'">image/jpeg</xsl:when>
112 <xsl:when test="$format = 'GIF87a'">image/gif</xsl:when>
113 <xsl:when test="$format = 'GIF89a'">image/gif</xsl:when>
114 <xsl:otherwise>
115 <xsl:value-of select="concat('image/',
116 translate($format, &uppercase;, &lowercase;))"/>
117 </xsl:otherwise>
118 </xsl:choose>
119 </xsl:if>
120</xsl:template>
121
122
123<!-- ==================================================================== -->
124
125<xsl:template match="screenshot">
126 <fo:block>
127 <xsl:apply-templates/>
128 </fo:block>
129</xsl:template>
130
131<xsl:template match="screeninfo">
132</xsl:template>
133
134<!-- ==================================================================== -->
135<!-- Override these templates for FO -->
136<!-- ==================================================================== -->
137
138<xsl:template name="process.image">
139 <!-- When this template is called, the current node should be -->
140 <!-- a graphic, inlinegraphic, imagedata, or videodata. All -->
141 <!-- those elements have the same set of attributes, so we can -->
142 <!-- handle them all in one place. -->
143
144 <xsl:variable name="scalefit">
145 <xsl:choose>
146 <xsl:when test="$ignore.image.scaling != 0">0</xsl:when>
147 <xsl:when test="@contentwidth">0</xsl:when>
148 <xsl:when test="@contentdepth and
149 @contentdepth != '100%'">0</xsl:when>
150 <xsl:when test="@scale">0</xsl:when>
151 <xsl:when test="@scalefit"><xsl:value-of select="@scalefit"/></xsl:when>
152 <xsl:when test="@width or @depth">1</xsl:when>
153 <xsl:otherwise>0</xsl:otherwise>
154 </xsl:choose>
155 </xsl:variable>
156
157 <xsl:variable name="scale">
158 <xsl:choose>
159 <xsl:when test="$ignore.image.scaling != 0">0</xsl:when>
160 <xsl:when test="@contentwidth or @contentdepth">1.0</xsl:when>
161 <xsl:when test="@scale">
162 <xsl:value-of select="@scale div 100.0"/>
163 </xsl:when>
164 <xsl:otherwise>1.0</xsl:otherwise>
165 </xsl:choose>
166 </xsl:variable>
167
168 <xsl:variable name="filename">
169 <xsl:choose>
170 <xsl:when test="local-name(.) = 'graphic'
171 or local-name(.) = 'inlinegraphic'">
172 <!-- handle legacy graphic and inlinegraphic by new template -->
173 <xsl:call-template name="mediaobject.filename">
174 <xsl:with-param name="object" select="."/>
175 </xsl:call-template>
176 </xsl:when>
177 <xsl:otherwise>
178 <!-- imagedata, videodata, audiodata -->
179 <xsl:call-template name="mediaobject.filename">
180 <xsl:with-param name="object" select=".."/>
181 </xsl:call-template>
182 </xsl:otherwise>
183 </xsl:choose>
184 </xsl:variable>
185
186 <xsl:variable name="content-type">
187 <xsl:if test="@format">
188 <xsl:call-template name="graphic.format.content-type">
189 <xsl:with-param name="format" select="@format"/>
190 </xsl:call-template>
191 </xsl:if>
192 </xsl:variable>
193
194 <xsl:variable name="bgcolor">
195 <xsl:call-template name="pi.dbfo_background-color">
196 <xsl:with-param name="node" select=".."/>
197 </xsl:call-template>
198 </xsl:variable>
199
200 <fo:external-graphic>
201 <xsl:attribute name="src">
202 <xsl:call-template name="fo-external-image">
203 <xsl:with-param name="filename">
204 <xsl:if test="$img.src.path != '' and
205 not(starts-with($filename, '/')) and
206 not(contains($filename, '://'))">
207 <xsl:value-of select="$img.src.path"/>
208 </xsl:if>
209 <xsl:value-of select="$filename"/>
210 </xsl:with-param>
211 </xsl:call-template>
212 </xsl:attribute>
213
214 <xsl:attribute name="width">
215 <xsl:choose>
216 <xsl:when test="$ignore.image.scaling != 0">auto</xsl:when>
217 <xsl:when test="contains(@width,'%')">
218 <xsl:value-of select="@width"/>
219 </xsl:when>
220 <xsl:when test="@width and not(@width = '')">
221 <xsl:call-template name="length-spec">
222 <xsl:with-param name="length" select="@width"/>
223 <xsl:with-param name="default.units" select="'px'"/>
224 </xsl:call-template>
225 </xsl:when>
226 <xsl:when test="not(@depth) and $default.image.width != ''">
227 <xsl:call-template name="length-spec">
228 <xsl:with-param name="length" select="$default.image.width"/>
229 <xsl:with-param name="default.units" select="'px'"/>
230 </xsl:call-template>
231 </xsl:when>
232 <xsl:otherwise>auto</xsl:otherwise>
233 </xsl:choose>
234 </xsl:attribute>
235
236 <xsl:attribute name="height">
237 <xsl:choose>
238 <xsl:when test="$ignore.image.scaling != 0">auto</xsl:when>
239 <xsl:when test="contains(@depth,'%')">
240 <xsl:value-of select="@depth"/>
241 </xsl:when>
242 <xsl:when test="@depth">
243 <xsl:call-template name="length-spec">
244 <xsl:with-param name="length" select="@depth"/>
245 <xsl:with-param name="default.units" select="'px'"/>
246 </xsl:call-template>
247 </xsl:when>
248 <xsl:otherwise>auto</xsl:otherwise>
249 </xsl:choose>
250 </xsl:attribute>
251
252 <xsl:attribute name="content-width">
253 <xsl:choose>
254 <xsl:when test="$ignore.image.scaling != 0">auto</xsl:when>
255 <xsl:when test="contains(@contentwidth,'%')">
256 <xsl:value-of select="@contentwidth"/>
257 </xsl:when>
258 <xsl:when test="@contentwidth">
259 <xsl:call-template name="length-spec">
260 <xsl:with-param name="length" select="@contentwidth"/>
261 <xsl:with-param name="default.units" select="'px'"/>
262 </xsl:call-template>
263 </xsl:when>
264 <xsl:when test="number($scale) != 1.0">
265 <xsl:value-of select="$scale * 100"/>
266 <xsl:text>%</xsl:text>
267 </xsl:when>
268 <xsl:when test="$scalefit = 1">scale-to-fit</xsl:when>
269 <xsl:otherwise>auto</xsl:otherwise>
270 </xsl:choose>
271 </xsl:attribute>
272
273 <xsl:attribute name="content-height">
274 <xsl:choose>
275 <xsl:when test="$ignore.image.scaling != 0">auto</xsl:when>
276 <xsl:when test="contains(@contentdepth,'%')">
277 <xsl:value-of select="@contentdepth"/>
278 </xsl:when>
279 <xsl:when test="@contentdepth">
280 <xsl:call-template name="length-spec">
281 <xsl:with-param name="length" select="@contentdepth"/>
282 <xsl:with-param name="default.units" select="'px'"/>
283 </xsl:call-template>
284 </xsl:when>
285 <xsl:when test="number($scale) != 1.0">
286 <xsl:value-of select="$scale * 100"/>
287 <xsl:text>%</xsl:text>
288 </xsl:when>
289 <xsl:when test="$scalefit = 1">scale-to-fit</xsl:when>
290 <xsl:otherwise>auto</xsl:otherwise>
291 </xsl:choose>
292 </xsl:attribute>
293
294 <xsl:if test="$content-type != ''">
295 <xsl:attribute name="content-type">
296 <xsl:value-of select="concat('content-type:',$content-type)"/>
297 </xsl:attribute>
298 </xsl:if>
299
300 <xsl:if test="$bgcolor != ''">
301 <xsl:attribute name="background-color">
302 <xsl:value-of select="$bgcolor"/>
303 </xsl:attribute>
304 </xsl:if>
305
306 <xsl:if test="@align">
307 <xsl:attribute name="text-align">
308 <xsl:value-of select="@align"/>
309 </xsl:attribute>
310 </xsl:if>
311
312 <xsl:if test="@valign">
313 <xsl:attribute name="display-align">
314 <xsl:choose>
315 <xsl:when test="@valign = 'top'">before</xsl:when>
316 <xsl:when test="@valign = 'middle'">center</xsl:when>
317 <xsl:when test="@valign = 'bottom'">after</xsl:when>
318 <xsl:otherwise>auto</xsl:otherwise>
319 </xsl:choose>
320 </xsl:attribute>
321 </xsl:if>
322 </fo:external-graphic>
323</xsl:template>
324
325<!-- ==================================================================== -->
326
327<xsl:template match="graphic">
328 <xsl:choose>
329 <xsl:when test="parent::inlineequation">
330 <xsl:call-template name="process.image"/>
331 </xsl:when>
332 <xsl:otherwise>
333 <fo:block>
334 <xsl:if test="@align">
335 <xsl:attribute name="text-align">
336 <xsl:value-of select="@align"/>
337 </xsl:attribute>
338 </xsl:if>
339 <xsl:call-template name="process.image"/>
340 </fo:block>
341 </xsl:otherwise>
342 </xsl:choose>
343</xsl:template>
344
345<xsl:template match="inlinegraphic">
346 <xsl:variable name="vendor" select="system-property('xsl:vendor')"/>
347 <xsl:variable name="filename">
348 <xsl:choose>
349 <xsl:when test="@entityref">
350 <xsl:value-of select="unparsed-entity-uri(@entityref)"/>
351 </xsl:when>
352 <xsl:otherwise>
353 <xsl:apply-templates select="@fileref"/>
354 </xsl:otherwise>
355 </xsl:choose>
356 </xsl:variable>
357
358 <xsl:choose>
359 <xsl:when test="@format='linespecific'">
360 <xsl:choose>
361 <xsl:when test="$use.extensions != '0'
362 and $textinsert.extension != '0'">
363 <xsl:choose>
364 <xsl:when test="contains($vendor, 'SAXON')">
365 <stext:insertfile href="{$filename}" encoding="{$textdata.default.encoding}"/>
366 </xsl:when>
367 <xsl:when test="contains($vendor, 'Apache Software Foundation')">
368 <xtext:insertfile href="{$filename}"/>
369 </xsl:when>
370 <xsl:otherwise>
371 <xsl:message terminate="yes">
372 <xsl:text>Don't know how to insert files with </xsl:text>
373 <xsl:value-of select="$vendor"/>
374 </xsl:message>
375 </xsl:otherwise>
376 </xsl:choose>
377 </xsl:when>
[ee92a8c]378 <xsl:otherwise>
379 <xsl:message terminate="yes">
380 <xsl:text>Cannot insert </xsl:text><xsl:value-of select="$filename"/>
381 <xsl:text>. Check use.extensions and textinsert.extension parameters.</xsl:text>
382 </xsl:message>
[a18aefd]383 </xsl:otherwise>
384 </xsl:choose>
385 </xsl:when>
386 <xsl:otherwise>
387 <xsl:call-template name="process.image"/>
388 </xsl:otherwise>
389 </xsl:choose>
390</xsl:template>
391
392<!-- ==================================================================== -->
393
394<xsl:template match="mediaobject|mediaobjectco">
395
396 <xsl:variable name="olist" select="imageobject|imageobjectco
397 |videoobject|audioobject
398 |textobject"/>
399
400 <xsl:variable name="object.index">
401 <xsl:call-template name="select.mediaobject.index">
402 <xsl:with-param name="olist" select="$olist"/>
403 <xsl:with-param name="count" select="1"/>
404 </xsl:call-template>
405 </xsl:variable>
406
407 <xsl:variable name="object" select="$olist[position() = $object.index]"/>
408
409 <xsl:variable name="align">
410 <xsl:value-of select="$object/descendant::imagedata[@align][1]/@align"/>
411 </xsl:variable>
412
413 <xsl:variable name="id">
414 <xsl:call-template name="object.id"/>
415 </xsl:variable>
416
417 <fo:block id="{$id}">
418 <xsl:if test="$align != '' ">
419 <xsl:attribute name="text-align">
420 <xsl:value-of select="$align"/>
421 </xsl:attribute>
422 </xsl:if>
423
424 <xsl:apply-templates select="$object"/>
425 <xsl:apply-templates select="caption"/>
426 </fo:block>
427</xsl:template>
428
429<xsl:template match="inlinemediaobject">
430 <xsl:call-template name="select.mediaobject"/>
431</xsl:template>
432
433<!-- ==================================================================== -->
434
435<xsl:template match="imageobjectco">
436 <xsl:apply-templates select="imageobject"/>
437 <xsl:apply-templates select="calloutlist"/>
438</xsl:template>
439
440<xsl:template match="imageobject">
441 <xsl:choose>
442 <xsl:when test="imagedata">
443 <xsl:apply-templates select="imagedata"/>
444 </xsl:when>
445 <xsl:otherwise>
446 <fo:instream-foreign-object>
447 <xsl:apply-templates mode="copy-all"/>
448 </fo:instream-foreign-object>
449 </xsl:otherwise>
450 </xsl:choose>
451</xsl:template>
452
453<!-- ==================================================================== -->
454
455<xsl:template match="*" mode="copy-all">
456 <xsl:copy>
457 <xsl:for-each select="@*">
458 <xsl:copy/>
459 </xsl:for-each>
460 <xsl:apply-templates mode="copy-all"/>
461 </xsl:copy>
462</xsl:template>
463
464<xsl:template match="text()|comment()|processing-instruction()" mode="copy-all">
465 <xsl:copy/>
466</xsl:template>
467
468<!-- ==================================================================== -->
469
470<xsl:template match="imagedata">
471 <xsl:variable name="vendor" select="system-property('xsl:vendor')"/>
472 <xsl:variable name="filename">
473 <xsl:call-template name="mediaobject.filename">
474 <xsl:with-param name="object" select=".."/>
475 </xsl:call-template>
476 </xsl:variable>
477
478 <xsl:choose>
479 <xsl:when test="@format='linespecific'">
480 <xsl:choose>
481 <xsl:when test="$use.extensions != '0'
482 and $textinsert.extension != '0'">
483 <xsl:choose>
484 <xsl:when test="contains($vendor, 'SAXON')">
485 <stext:insertfile href="{$filename}" encoding="{$textdata.default.encoding}"/>
486 </xsl:when>
487 <xsl:when test="contains($vendor, 'Apache Software Foundation')">
488 <xtext:insertfile href="{$filename}"/>
489 </xsl:when>
490 <xsl:otherwise>
491 <xsl:message terminate="yes">
492 <xsl:text>Don't know how to insert files with </xsl:text>
493 <xsl:value-of select="$vendor"/>
494 </xsl:message>
495 </xsl:otherwise>
496 </xsl:choose>
497 </xsl:when>
498 <xsl:otherwise>
[ee92a8c]499 <xsl:message terminate="yes">
500 <xsl:text>Cannot insert </xsl:text><xsl:value-of select="$filename"/>
501 <xsl:text>. Check use.extensions and textinsert.extension parameters.</xsl:text>
502 </xsl:message>
503 </xsl:otherwise>
[a18aefd]504 </xsl:choose>
505 </xsl:when>
506 <xsl:otherwise>
507 <xsl:call-template name="process.image"/>
508 </xsl:otherwise>
509 </xsl:choose>
510</xsl:template>
511
512<!-- ==================================================================== -->
513
514<xsl:template match="videoobject">
515 <xsl:apply-templates select="videodata"/>
516</xsl:template>
517
518<xsl:template match="videodata">
519 <xsl:call-template name="process.image"/>
520</xsl:template>
521
522<!-- ==================================================================== -->
523
524<xsl:template match="audioobject">
525 <xsl:apply-templates select="audiodata"/>
526</xsl:template>
527
528<xsl:template match="audiodata">
529 <xsl:call-template name="process.image"/>
530</xsl:template>
531
532<!-- ==================================================================== -->
533
534<xsl:template match="textobject">
535 <xsl:apply-templates/>
536</xsl:template>
537
538<xsl:template match="textdata">
[ee92a8c]539 <xsl:variable name="vendor" select="system-property('xsl:vendor')"/>
[a18aefd]540 <xsl:variable name="filename">
541 <xsl:choose>
542 <xsl:when test="@entityref">
543 <xsl:value-of select="unparsed-entity-uri(@entityref)"/>
544 </xsl:when>
545 <xsl:otherwise>
546 <xsl:apply-templates select="@fileref"/>
547 </xsl:otherwise>
548 </xsl:choose>
549 </xsl:variable>
550
551 <xsl:variable name="encoding">
552 <xsl:choose>
553 <xsl:when test="@encoding">
554 <xsl:value-of select="@encoding"/>
555 </xsl:when>
556 <xsl:otherwise>
557 <xsl:value-of select="$textdata.default.encoding"/>
558 </xsl:otherwise>
559 </xsl:choose>
560 </xsl:variable>
561
562 <xsl:choose>
563 <xsl:when test="$use.extensions != '0'
564 and $textinsert.extension != '0'">
565 <xsl:choose>
566 <xsl:when test="element-available('stext:insertfile')">
567 <stext:insertfile href="{$filename}" encoding="{$encoding}"/>
568 </xsl:when>
569 <xsl:when test="element-available('xtext:insertfile')">
570 <xtext:insertfile href="{$filename}"/>
571 </xsl:when>
[ee92a8c]572 <xsl:otherwise>
573 <xsl:message terminate="yes">
574 <xsl:text>Don't know how to insert files with </xsl:text>
575 <xsl:value-of select="$vendor"/>
576 </xsl:message>
577 </xsl:otherwise>
[a18aefd]578 </xsl:choose>
579 </xsl:when>
580 <xsl:otherwise>
[ee92a8c]581 <xsl:message terminate="yes">
582 <xsl:text>Cannot insert </xsl:text><xsl:value-of select="$filename"/>
583 <xsl:text>. Check use.extensions and textinsert.extension parameters.</xsl:text>
584 </xsl:message>
[a18aefd]585 </xsl:otherwise>
586 </xsl:choose>
587</xsl:template>
588
589<!-- ==================================================================== -->
590
591<xsl:template match="caption">
592 <fo:block>
593 <xsl:if test="@align = 'right' or @align = 'left' or @align='center'">
594 <xsl:attribute name="text-align"><xsl:value-of
595 select="@align"/></xsl:attribute>
596 </xsl:if>
597 <xsl:apply-templates/>
598 </fo:block>
599</xsl:template>
600
601<!-- ==================================================================== -->
602
603<xsl:template name="fo-external-image">
604 <xsl:param name="filename"/>
605
606 <xsl:choose>
607 <xsl:when test="$passivetex.extensions != 0
608 or $fop.extensions != 0">
609 <xsl:value-of select="$filename"/>
610 </xsl:when>
611 <xsl:otherwise>
612 <xsl:value-of select="concat('url(', $filename, ')')"/>
613 </xsl:otherwise>
614 </xsl:choose>
615</xsl:template>
616
617<!-- Resolve xml:base attributes -->
618<xsl:template match="@fileref">
619 <!-- need a check for absolute urls -->
620 <xsl:choose>
621 <xsl:when test="contains(., ':') or starts-with(.,'/')">
622 <!-- it has a uri scheme or starts with '/', so it is an absolute uri -->
623 <xsl:value-of select="."/>
624 </xsl:when>
625 <xsl:when test="$keep.relative.image.uris != 0">
626 <!-- leave it alone -->
627 <xsl:value-of select="."/>
628 </xsl:when>
629 <xsl:otherwise>
630 <!-- its a relative uri -->
631 <xsl:call-template name="relative-uri">
632 </xsl:call-template>
633 </xsl:otherwise>
634 </xsl:choose>
635</xsl:template>
636
637</xsl:stylesheet>
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