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| author | Andrew Shitov <andy@shitov.ru> | 2020-09-09 21:22:11 +0200 |
|---|---|---|
| committer | Andrew Shitov <andy@shitov.ru> | 2020-09-09 21:22:11 +0200 |
| commit | dfef53750030612523a4edc1d63ce4f179745f7d (patch) | |
| tree | 2591d1796a625ca6ecb68e3ddcb220ac0ab05ac6 /challenge-077/ash/xslt | |
| parent | daec1a0fc3d537f1510f05a9799ac78691af0428 (diff) | |
| download | perlweeklychallenge-club-dfef53750030612523a4edc1d63ce4f179745f7d.tar.gz perlweeklychallenge-club-dfef53750030612523a4edc1d63ce4f179745f7d.tar.bz2 perlweeklychallenge-club-dfef53750030612523a4edc1d63ce4f179745f7d.zip | |
77-2: a functional solution in XSLT
Diffstat (limited to 'challenge-077/ash/xslt')
| -rw-r--r-- | challenge-077/ash/xslt/ch-2.xml | 25 | ||||
| -rw-r--r-- | challenge-077/ash/xslt/ch-2.xslt | 41 |
2 files changed, 66 insertions, 0 deletions
diff --git a/challenge-077/ash/xslt/ch-2.xml b/challenge-077/ash/xslt/ch-2.xml new file mode 100644 index 0000000000..ce27ac5cdb --- /dev/null +++ b/challenge-077/ash/xslt/ch-2.xml @@ -0,0 +1,25 @@ +<?xml version="1.0"?> + +<!-- + Task 2 from + https://perlweeklychallenge.org/blog/perl-weekly-challenge-077/ + + To get a solution, run: + $ xsltproc ch-2.xslt ch-2.xml + + For the given example matrix, you get the following output (items count from 1): + 1, 2 + 3, 1 +--> + +<matrix> + <row> + <item>O</item> <item>X</item> <item>O</item> + </row> + <row> + <item>O</item> <item>O</item> <item>O</item> + </row> + <row> + <item>X</item> <item>O</item> <item>O</item> + </row> +</matrix> diff --git a/challenge-077/ash/xslt/ch-2.xslt b/challenge-077/ash/xslt/ch-2.xslt new file mode 100644 index 0000000000..3a1fb688da --- /dev/null +++ b/challenge-077/ash/xslt/ch-2.xslt @@ -0,0 +1,41 @@ +<?xml version="1.0"?> + +<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"> + +<xsl:output omit-xml-declaration="yes"/> + +<xsl:template match="/matrix"> + <xsl:apply-templates select="row"/> +</xsl:template> + +<xsl:template match="row"> + <xsl:apply-templates select="item"/> +</xsl:template> + +<!-- catch 'O's --> +<xsl:template match="item"/> + +<xsl:template match="item[text() = 'X']"> + <xsl:variable name="row" select="count(../preceding-sibling::*) + 1"/> <!-- position of parent --> + <xsl:variable name="col" select="position()"/> + + <xsl:variable name="lonely" select=" + (not(/matrix/row[$row ]/item[$col - 1]) or /matrix/row[$row ]/item[$col - 1] = 'O') and + (not(/matrix/row[$row ]/item[$col + 1]) or /matrix/row[$row ]/item[$col + 1] = 'O') and + (not(/matrix/row[$row + 1]/item[$col ]) or /matrix/row[$row + 1]/item[$col ] = 'O') and + (not(/matrix/row[$row - 1]/item[$col ]) or /matrix/row[$row - 1]/item[$col ] = 'O') and + (not(/matrix/row[$row + 1]/item[$col + 1]) or /matrix/row[$row + 1]/item[$col + 1] = 'O') and + (not(/matrix/row[$row - 1]/item[$col - 1]) or /matrix/row[$row - 1]/item[$col - 1] = 'O') and + (not(/matrix/row[$row + 1]/item[$col - 1]) or /matrix/row[$row + 1]/item[$col - 1] = 'O') and + (not(/matrix/row[$row - 1]/item[$col + 1]) or /matrix/row[$row - 1]/item[$col + 1] = 'O') + "/> + + <xsl:if test="$lonely"> + <xsl:value-of select="$row"/> + <xsl:text>, </xsl:text> + <xsl:value-of select="$col"/> + <xsl:text disable-output-escaping="yes"> </xsl:text> + </xsl:if> +</xsl:template> + +</xsl:stylesheet> |