Unable to list relative elements XSLT 2.0

I am trying to learn XSLT 2.0. In the example below, I am trying to list languages and books available in each language. Can you please help me understand how the context works?

<?xml version="1.0" encoding="utf-8"?>

<?xml-stylesheet type="text/xsl" href="Library.xsl"?>

<Library>

    <Books>

        <Book>

            <Language code="English">English</Language>

            <code>1</code>

            <Title>History</Title>

        </Book>

        <Book>

            <Language code="Spanish">Spanish</Language>

            <code>2</code>

            <Title>Math</Title>

        </Book>

    </Books>

    <Languages>

        <Language code="English">English</Language>

        <Language code="Spanish">Spanish</Language>

    </Languages>

</Library>

// Stylesheet

<?xml version="1.0"?>

<xsl:stylesheet version="2.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">

    <xsl:template match="/">

        <html>

            <body>

                <table>

                    <xsl:for-each select="/Library/Languages/Language">

                        <tr>

                            <td style="border:1px solid red;">

                                <xsl:value-of select="@code" /><br /><br />

                                <xsl:variable name="key" select="@code" />

                            </td>

                        </tr>

                        <xsl:for-each select="/Library/Books/Book">

                            <xsl:if test="Language[@code=string($key)]">

                            <tr>

                                <td style="border:1px solid red;">

                                    <xsl:value-of select="@code" />

                                </td>

                            </tr>

                            </xsl:if>

                        </xsl:for-each>

                    </xsl:for-each>

                </table>

            </body>

        </html>

    </xsl:template>

</xsl:stylesheet>

// Desired output:

Language: English

Title: English Book



Language: Spanish

Title: Spanish Book

edited Nov 22 '18 at 20:58

zx485

14.8k133048

asked Nov 22 '18 at 19:32

Surinder Singh

You haven't used any XSLT 2 specific code. Furthermore, does that code run at all? How do you try to use XSLT 2? You have declared the xsl:variable inside of a td element, it will not be available outside of the td. You can simply use the current() function in a predicate of the inner xsl:for-each: <xsl:for-each select="/Library/Books/Book[Language/@code = current()/@code]">. Not sure about the output you want, show us the HTML with the sample data matching the input, I don't see any title "English book" or "Spanish book" in the input sample.

– Martin Honnen
Nov 22 '18 at 19:59

I would suggest you learn about keys, which were designed for tasks like this.

– michael.hor257k
Nov 23 '18 at 9:29

add a comment |

I am trying to learn XSLT 2.0. In the example below, I am trying to list languages and books available in each language. Can you please help me understand how the context works?

<?xml version="1.0" encoding="utf-8"?>

<?xml-stylesheet type="text/xsl" href="Library.xsl"?>

<Library>

    <Books>

        <Book>

            <Language code="English">English</Language>

            <code>1</code>

            <Title>History</Title>

        </Book>

        <Book>

            <Language code="Spanish">Spanish</Language>

            <code>2</code>

            <Title>Math</Title>

        </Book>

    </Books>

    <Languages>

        <Language code="English">English</Language>

        <Language code="Spanish">Spanish</Language>

    </Languages>

</Library>

// Stylesheet

<?xml version="1.0"?>

<xsl:stylesheet version="2.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">

    <xsl:template match="/">

        <html>

            <body>

                <table>

                    <xsl:for-each select="/Library/Languages/Language">

                        <tr>

                            <td style="border:1px solid red;">

                                <xsl:value-of select="@code" /><br /><br />

                                <xsl:variable name="key" select="@code" />

                            </td>

                        </tr>

                        <xsl:for-each select="/Library/Books/Book">

                            <xsl:if test="Language[@code=string($key)]">

                            <tr>

                                <td style="border:1px solid red;">

                                    <xsl:value-of select="@code" />

                                </td>

                            </tr>

                            </xsl:if>

                        </xsl:for-each>

                    </xsl:for-each>

                </table>

            </body>

        </html>

    </xsl:template>

</xsl:stylesheet>

// Desired output:

Language: English

Title: English Book



Language: Spanish

Title: Spanish Book

edited Nov 22 '18 at 20:58

zx485

14.8k133048

asked Nov 22 '18 at 19:32

Surinder Singh

You haven't used any XSLT 2 specific code. Furthermore, does that code run at all? How do you try to use XSLT 2? You have declared the xsl:variable inside of a td element, it will not be available outside of the td. You can simply use the current() function in a predicate of the inner xsl:for-each: <xsl:for-each select="/Library/Books/Book[Language/@code = current()/@code]">. Not sure about the output you want, show us the HTML with the sample data matching the input, I don't see any title "English book" or "Spanish book" in the input sample.

– Martin Honnen
Nov 22 '18 at 19:59

I would suggest you learn about keys, which were designed for tasks like this.

– michael.hor257k
Nov 23 '18 at 9:29

add a comment |

I am trying to learn XSLT 2.0. In the example below, I am trying to list languages and books available in each language. Can you please help me understand how the context works?

<?xml version="1.0" encoding="utf-8"?>

<?xml-stylesheet type="text/xsl" href="Library.xsl"?>

<Library>

    <Books>

        <Book>

            <Language code="English">English</Language>

            <code>1</code>

            <Title>History</Title>

        </Book>

        <Book>

            <Language code="Spanish">Spanish</Language>

            <code>2</code>

            <Title>Math</Title>

        </Book>

    </Books>

    <Languages>

        <Language code="English">English</Language>

        <Language code="Spanish">Spanish</Language>

    </Languages>

</Library>

// Stylesheet

<?xml version="1.0"?>

<xsl:stylesheet version="2.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">

    <xsl:template match="/">

        <html>

            <body>

                <table>

                    <xsl:for-each select="/Library/Languages/Language">

                        <tr>

                            <td style="border:1px solid red;">

                                <xsl:value-of select="@code" /><br /><br />

                                <xsl:variable name="key" select="@code" />

                            </td>

                        </tr>

                        <xsl:for-each select="/Library/Books/Book">

                            <xsl:if test="Language[@code=string($key)]">

                            <tr>

                                <td style="border:1px solid red;">

                                    <xsl:value-of select="@code" />

                                </td>

                            </tr>

                            </xsl:if>

                        </xsl:for-each>

                    </xsl:for-each>

                </table>

            </body>

        </html>

    </xsl:template>

</xsl:stylesheet>

// Desired output:

Language: English

Title: English Book



Language: Spanish

Title: Spanish Book

edited Nov 22 '18 at 20:58

zx485

14.8k133048

asked Nov 22 '18 at 19:32

Surinder Singh

I am trying to learn XSLT 2.0. In the example below, I am trying to list languages and books available in each language. Can you please help me understand how the context works?

<?xml version="1.0" encoding="utf-8"?>

<?xml-stylesheet type="text/xsl" href="Library.xsl"?>

<Library>

    <Books>

        <Book>

            <Language code="English">English</Language>

            <code>1</code>

            <Title>History</Title>

        </Book>

        <Book>

            <Language code="Spanish">Spanish</Language>

            <code>2</code>

            <Title>Math</Title>

        </Book>

    </Books>

    <Languages>

        <Language code="English">English</Language>

        <Language code="Spanish">Spanish</Language>

    </Languages>

</Library>

// Stylesheet

<?xml version="1.0"?>

<xsl:stylesheet version="2.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">

    <xsl:template match="/">

        <html>

            <body>

                <table>

                    <xsl:for-each select="/Library/Languages/Language">

                        <tr>

                            <td style="border:1px solid red;">

                                <xsl:value-of select="@code" /><br /><br />

                                <xsl:variable name="key" select="@code" />

                            </td>

                        </tr>

                        <xsl:for-each select="/Library/Books/Book">

                            <xsl:if test="Language[@code=string($key)]">

                            <tr>

                                <td style="border:1px solid red;">

                                    <xsl:value-of select="@code" />

                                </td>

                            </tr>

                            </xsl:if>

                        </xsl:for-each>

                    </xsl:for-each>

                </table>

            </body>

        </html>

    </xsl:template>

</xsl:stylesheet>

// Desired output:

Language: English

Title: English Book



Language: Spanish

Title: Spanish Book

xml xslt stylesheet

edited Nov 22 '18 at 20:58

zx485

14.8k133048

asked Nov 22 '18 at 19:32

Surinder Singh

edited Nov 22 '18 at 20:58

zx485

14.8k133048

asked Nov 22 '18 at 19:32

Surinder Singh

edited Nov 22 '18 at 20:58

zx485

14.8k133048

edited Nov 22 '18 at 20:58

zx485

14.8k133048

edited Nov 22 '18 at 20:58

zx485

14.8k133048

asked Nov 22 '18 at 19:32

Surinder Singh

asked Nov 22 '18 at 19:32

Surinder Singh

asked Nov 22 '18 at 19:32

Surinder Singh

You haven't used any XSLT 2 specific code. Furthermore, does that code run at all? How do you try to use XSLT 2? You have declared the xsl:variable inside of a td element, it will not be available outside of the td. You can simply use the current() function in a predicate of the inner xsl:for-each: <xsl:for-each select="/Library/Books/Book[Language/@code = current()/@code]">. Not sure about the output you want, show us the HTML with the sample data matching the input, I don't see any title "English book" or "Spanish book" in the input sample.

– Martin Honnen
Nov 22 '18 at 19:59

I would suggest you learn about keys, which were designed for tasks like this.

– michael.hor257k
Nov 23 '18 at 9:29

add a comment |

You haven't used any XSLT 2 specific code. Furthermore, does that code run at all? How do you try to use XSLT 2? You have declared the xsl:variable inside of a td element, it will not be available outside of the td. You can simply use the current() function in a predicate of the inner xsl:for-each: <xsl:for-each select="/Library/Books/Book[Language/@code = current()/@code]">. Not sure about the output you want, show us the HTML with the sample data matching the input, I don't see any title "English book" or "Spanish book" in the input sample.

– Martin Honnen
Nov 22 '18 at 19:59

I would suggest you learn about keys, which were designed for tasks like this.

– michael.hor257k
Nov 23 '18 at 9:29

You haven't used any XSLT 2 specific code. Furthermore, does that code run at all? How do you try to use XSLT 2? You have declared the xsl:variable inside of a td element, it will not be available outside of the td. You can simply use the current() function in a predicate of the inner xsl:for-each: <xsl:for-each select="/Library/Books/Book[Language/@code = current()/@code]">. Not sure about the output you want, show us the HTML with the sample data matching the input, I don't see any title "English book" or "Spanish book" in the input sample.

– Martin Honnen
Nov 22 '18 at 19:59

I would suggest you learn about keys, which were designed for tasks like this.

– michael.hor257k
Nov 23 '18 at 9:29

add a comment |

1 Answer
1

active

oldest

votes

To get your desired output, you can change your XSLT-1.0 file to the following (XSLT-2.0 does not seem to be necessary). One crucial aspect was moving the <xsl:variable name="key" select="@code" /> out of the tdelement up two layers, so that it can be accessed in the xsl:for-each.

<?xml version="1.0"?>

<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">

    <xsl:template match="/">

        <html>

            <body>

                <table>

                    <xsl:for-each select="/Library/Languages/Language">

                        <xsl:variable name="key" select="@code" />

                        <tr>

                            <td style="border:1px solid red;">

                                <xsl:value-of select="concat('Language: ', @code)" /><br /><br />

                            </td>

                        </tr>

                        <xsl:for-each select="/Library/Books/Book[Language[@code=$key]]">

                            <tr>

                                <td style="border:1px solid red;">

                                    <xsl:value-of select="concat('Title: ', $key,' Book')" />

                                </td>

                            </tr>

                        </xsl:for-each>

                    </xsl:for-each>

                </table>

            </body>

        </html>

    </xsl:template>

</xsl:stylesheet>

The output is:

<html>

  <body>

    <table>

        <tr>

          <td style="border:1px solid red;">Language: English</td>

        </tr>

        <tr>

          <td style="border:1px solid red;">Title: English Book</td>

        </tr>

        <tr>

          <td style="border:1px solid red;">Language: Spanish</td>

        </tr>

        <tr>

          <td style="border:1px solid red;">Title: Spanish Book</td>

        </tr>

    </table>

  </body>

</html>

answered Nov 22 '18 at 21:02

zx485

14.8k133048

Thank you so much! Works just as expected. Happy Thanksgiving and good luck with your Black Friday shopping!

– Surinder Singh
Nov 23 '18 at 15:29

add a comment |

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1 Answer
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1 Answer
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oldest

votes

<?xml version="1.0"?>

<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">

    <xsl:template match="/">

        <html>

            <body>

                <table>

                    <xsl:for-each select="/Library/Languages/Language">

                        <xsl:variable name="key" select="@code" />

                        <tr>

                            <td style="border:1px solid red;">

                                <xsl:value-of select="concat('Language: ', @code)" /><br /><br />

                            </td>

                        </tr>

                        <xsl:for-each select="/Library/Books/Book[Language[@code=$key]]">

                            <tr>

                                <td style="border:1px solid red;">

                                    <xsl:value-of select="concat('Title: ', $key,' Book')" />

                                </td>

                            </tr>

                        </xsl:for-each>

                    </xsl:for-each>

                </table>

            </body>

        </html>

    </xsl:template>

</xsl:stylesheet>

The output is:

<html>

  <body>

    <table>

        <tr>

          <td style="border:1px solid red;">Language: English</td>

        </tr>

        <tr>

          <td style="border:1px solid red;">Title: English Book</td>

        </tr>

        <tr>

          <td style="border:1px solid red;">Language: Spanish</td>

        </tr>

        <tr>

          <td style="border:1px solid red;">Title: Spanish Book</td>

        </tr>

    </table>

  </body>

</html>

answered Nov 22 '18 at 21:02

zx485

14.8k133048

Thank you so much! Works just as expected. Happy Thanksgiving and good luck with your Black Friday shopping!

– Surinder Singh
Nov 23 '18 at 15:29

add a comment |

<?xml version="1.0"?>

<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">

    <xsl:template match="/">

        <html>

            <body>

                <table>

                    <xsl:for-each select="/Library/Languages/Language">

                        <xsl:variable name="key" select="@code" />

                        <tr>

                            <td style="border:1px solid red;">

                                <xsl:value-of select="concat('Language: ', @code)" /><br /><br />

                            </td>

                        </tr>

                        <xsl:for-each select="/Library/Books/Book[Language[@code=$key]]">

                            <tr>

                                <td style="border:1px solid red;">

                                    <xsl:value-of select="concat('Title: ', $key,' Book')" />

                                </td>

                            </tr>

                        </xsl:for-each>

                    </xsl:for-each>

                </table>

            </body>

        </html>

    </xsl:template>

</xsl:stylesheet>

The output is:

<html>

  <body>

    <table>

        <tr>

          <td style="border:1px solid red;">Language: English</td>

        </tr>

        <tr>

          <td style="border:1px solid red;">Title: English Book</td>

        </tr>

        <tr>

          <td style="border:1px solid red;">Language: Spanish</td>

        </tr>

        <tr>

          <td style="border:1px solid red;">Title: Spanish Book</td>

        </tr>

    </table>

  </body>

</html>

answered Nov 22 '18 at 21:02

zx485

14.8k133048

Thank you so much! Works just as expected. Happy Thanksgiving and good luck with your Black Friday shopping!

– Surinder Singh
Nov 23 '18 at 15:29

add a comment |

<?xml version="1.0"?>

<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">

    <xsl:template match="/">

        <html>

            <body>

                <table>

                    <xsl:for-each select="/Library/Languages/Language">

                        <xsl:variable name="key" select="@code" />

                        <tr>

                            <td style="border:1px solid red;">

                                <xsl:value-of select="concat('Language: ', @code)" /><br /><br />

                            </td>

                        </tr>

                        <xsl:for-each select="/Library/Books/Book[Language[@code=$key]]">

                            <tr>

                                <td style="border:1px solid red;">

                                    <xsl:value-of select="concat('Title: ', $key,' Book')" />

                                </td>

                            </tr>

                        </xsl:for-each>

                    </xsl:for-each>

                </table>

            </body>

        </html>

    </xsl:template>

</xsl:stylesheet>

The output is:

<html>

  <body>

    <table>

        <tr>

          <td style="border:1px solid red;">Language: English</td>

        </tr>

        <tr>

          <td style="border:1px solid red;">Title: English Book</td>

        </tr>

        <tr>

          <td style="border:1px solid red;">Language: Spanish</td>

        </tr>

        <tr>

          <td style="border:1px solid red;">Title: Spanish Book</td>

        </tr>

    </table>

  </body>

</html>

answered Nov 22 '18 at 21:02

zx485

14.8k133048

<?xml version="1.0"?>

<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">

    <xsl:template match="/">

        <html>

            <body>

                <table>

                    <xsl:for-each select="/Library/Languages/Language">

                        <xsl:variable name="key" select="@code" />

                        <tr>

                            <td style="border:1px solid red;">

                                <xsl:value-of select="concat('Language: ', @code)" /><br /><br />

                            </td>

                        </tr>

                        <xsl:for-each select="/Library/Books/Book[Language[@code=$key]]">

                            <tr>

                                <td style="border:1px solid red;">

                                    <xsl:value-of select="concat('Title: ', $key,' Book')" />

                                </td>

                            </tr>

                        </xsl:for-each>

                    </xsl:for-each>

                </table>

            </body>

        </html>

    </xsl:template>

</xsl:stylesheet>

The output is:

<html>

  <body>

    <table>

        <tr>

          <td style="border:1px solid red;">Language: English</td>

        </tr>

        <tr>

          <td style="border:1px solid red;">Title: English Book</td>

        </tr>

        <tr>

          <td style="border:1px solid red;">Language: Spanish</td>

        </tr>

        <tr>

          <td style="border:1px solid red;">Title: Spanish Book</td>

        </tr>

    </table>

  </body>

</html>

answered Nov 22 '18 at 21:02

zx485

14.8k133048

answered Nov 22 '18 at 21:02

zx485

14.8k133048

answered Nov 22 '18 at 21:02

zx485

14.8k133048

answered Nov 22 '18 at 21:02

zx485

14.8k133048

Thank you so much! Works just as expected. Happy Thanksgiving and good luck with your Black Friday shopping!

– Surinder Singh
Nov 23 '18 at 15:29

add a comment |

Thank you so much! Works just as expected. Happy Thanksgiving and good luck with your Black Friday shopping!

– Surinder Singh
Nov 23 '18 at 15:29

Thank you so much! Works just as expected. Happy Thanksgiving and good luck with your Black Friday shopping!

– Surinder Singh
Nov 23 '18 at 15:29

add a comment |

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