1 | <!-- |
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2 | Extract external (image) references from RFC2629 XML format |
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3 | |
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4 | Copyright (c) 2010, Julian Reschke (julian.reschke@greenbytes.de) |
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5 | All rights reserved. |
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6 | |
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7 | Redistribution and use in source and binary forms, with or without |
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8 | modification, are permitted provided that the following conditions are met: |
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9 | |
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10 | * Redistributions of source code must retain the above copyright notice, |
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11 | this list of conditions and the following disclaimer. |
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12 | * Redistributions in binary form must reproduce the above copyright notice, |
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13 | this list of conditions and the following disclaimer in the documentation |
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14 | and/or other materials provided with the distribution. |
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15 | * Neither the name of Julian Reschke nor the names of its contributors |
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16 | may be used to endorse or promote products derived from this software |
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17 | without specific prior written permission. |
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18 | |
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19 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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20 | AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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21 | IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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22 | ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
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23 | LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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24 | CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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25 | SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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26 | INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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27 | CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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28 | ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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29 | POSSIBILITY OF SUCH DAMAGE. |
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30 | --> |
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31 | |
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32 | <xsl:transform xmlns:xsl="http://www.w3.org/1999/XSL/Transform" |
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33 | xmlns="http://www.daisy.org/z3986/2005/ncx/" |
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34 | version="1.0" |
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35 | > |
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36 | |
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37 | <xsl:output method="text" encoding="UTF-8"/> |
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38 | |
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39 | <xsl:template match="/"> |
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40 | <xsl:for-each select="//artwork/@src"> |
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41 | <xsl:choose> |
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42 | <xsl:when test="contains(.,'/')"> |
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43 | <xsl:message>ERROR: referenced file <xsl:value-of select="."/> must be in the same folder as the base file.</xsl:message> |
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44 | </xsl:when> |
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45 | <xsl:when test="not(../@type)"> |
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46 | <xsl:message>ERROR: referenced file <xsl:value-of select="."/> missing media type attribute.</xsl:message> |
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47 | </xsl:when> |
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48 | <xsl:otherwise> |
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49 | <xsl:value-of select="."/> |
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50 | <xsl:text> </xsl:text> |
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51 | </xsl:otherwise> |
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52 | </xsl:choose> |
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53 | </xsl:for-each> |
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54 | </xsl:template> |
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55 | |
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56 | </xsl:transform> |
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