#!/bin/sh
#
# wikipod: Exporting a wiki to view on your iPod.
#
# Full doco here: http://girtby.net/offerings/wikipod
#
# Written by Alastair Rankine, http://girtby.net
#
# Licensed under Creative Commons Attribution License, see
# http://creativecommons.org/licenses/by/2.0/
#
# Version 2007-04-27

# Customize this: The location of your iPod's notes directory:
IPOD="/Volumes/Your iPod/Notes"

# Customize this: Your stikipad user name (ie username.sikipad.com)
USERNAME=you
# Customize this: The wiki to export
WIKI=yourwiki

# Customize this: Your stikipad login credentials:
EMAIL=you@yourdomain.com
PASSWORD=yoursecret

# Customisation ends here.

TMPDIR=`mktemp -d /tmp/wiki.XXX`
TMPZIP=`mktemp /tmp/wiki.zip.XXX`
SESSION=`mktemp /tmp/session.XXX`
#TMPDIR=~/tmp/wiki
#TMPZIP=~/tmp/wiki.zip
#SESSION=~/tmp/session_cookies
trap 'rm -rf "$TMPDIR" "$TMPZIP" "$SESSION"' EXIT SIGINT SIGQUIT SIGTERM

# first log in to stikipad:
curl -c $SESSION -d "email_address=$EMAIL&user_password=$PASSWORD" \
    "http://$USERNAME.stikipad.com/$WIKI/login" || exit 1

# now do the export:
curl -vL -o $TMPZIP -b $SESSION "http://$USERNAME.stikipad.com/$WIKI/export_html" \
    || exit 1

unzip $TMPZIP -d $TMPDIR

SAVEDIR=$PWD
cd $TMPDIR
for i in *.html ; do
    xsltproc --nonet --html --novalid --output "$IPOD/${i%.html}.txt" - "$i" <<EOF
<?xml version="1.0"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
                version="1.0">

  <xsl:output method="xml" encoding="utf-8"/>

  <xsl:template match="head">
    <xsl:apply-templates select="title"/>
  </xsl:template>

  <!-- Only matches title elements with children (ie content) -->
  <xsl:template match="title[(*)]">

    <TITLE><xsl:apply-templates/></TITLE><xsl:text>

</xsl:text>
  </xsl:template>

  <xsl:template match="p">
    <xsl:apply-templates/><xsl:text>

</xsl:text>
  </xsl:template>

  <xsl:template match="br">
    <xsl:text>
</xsl:text>
  </xsl:template>

  <xsl:template name="indent">
    <xsl:param name="level" select="0"/>
    <xsl:if test="\$level">
      <xsl:text> </xsl:text>
      <xsl:call-template name="indent">
        <xsl:with-param name="level" select="\$level - 1"/>
      </xsl:call-template>
    </xsl:if>
  </xsl:template>

  <xsl:template match="li">
    <xsl:call-template name="indent">
      <xsl:with-param name="level" select="count(ancestor::ul)"/>
    </xsl:call-template>
    <xsl:text>* </xsl:text><xsl:apply-templates/>
  </xsl:template>

  <xsl:template match="div">
    <P><xsl:apply-templates/></P>
  </xsl:template>

  <xsl:template match="a">
    <xsl:variable name="href">
      <xsl:choose>
        <xsl:when test="starts-with('http:',@href)"/>
        <xsl:when test="starts-with('ftp:',@href)"/>
        <xsl:when test="starts-with('mailto:',@href)"/>
        <xsl:when test="substring(@href, string-length(@href) - 4) = '.html'">
          <xsl:value-of select="concat(substring(@href,1,string-length(@href) - 5),'.txt')"/>
        </xsl:when>
        <xsl:otherwise>
          <xsl:value-of select="@href"/>
        </xsl:otherwise>
      </xsl:choose>
    </xsl:variable>
    <A><xsl:attribute name="HREF"><xsl:value-of select="\$href"/></xsl:attribute><xsl:apply-templates/></A>
  </xsl:template>

</xsl:stylesheet>

EOF
done
cd $SAVEDIR