functions.php

<?php
/* WordPress Unix Theme
 *
 * Unix-like Interface theme for Wordpress
 *
 * Copyright (C) 2012  Benjamin J. Balter  ( ben@balter.com -- http://ben.balter.com )
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * @copyright 2012
 * @license GPL v3
 * @version 1.0.8
 * @author Benjamin J. Balter <ben@balter.com>
 * @package wp-unix
 */

//init markdownify
require_once dirname( __FILE__ ) . '/markdownify/markdownify.php';
$markdownify = new Markdownify( null, null, false ); //last arg: don't output unparsable HTML

//this is meaningless, but we need it to pass validation, so here goes...
if ( ! isset( $content_width ) ) $content_width = 900;

add_theme_support( 'automatic-feed-links' );

/**
 * Returns current version of theme
 * @return int the current version number
 */
function wp_unix_version() {
	return '1.0.8';
}


/**
 * Verifies JSON_API is installed and active
 */
function wp_unix_json_api_check() {
	if ( !class_exists( 'JSON_API') )
		wp_die( 'Please install and activate the plugin JSON API prior to using this theme' );
}


add_action( 'plugins_loaded', 'wp_unix_json_api_check' );

/**
 * Enqueue Javascripts
 */
function wp_unix_enqueue() {

	$suffix = ( WP_DEBUG ) ? '.dev' : '';

	//css
	wp_enqueue_style( 'boilerplate', get_template_directory_uri() . '/boilerplate.css' );
	wp_enqueue_style( 'cli', get_stylesheet_directory_uri() . '/style.css', null, wp_unix_version() );

	//modernizr
	wp_enqueue_script( 'modernizr', get_template_directory_uri() . '/js/modernizr-2.5.3-respond-1.1.0.min.js', wp_unix_version(), true );

	//js
	wp_enqueue_script( 'jquery-hotkeys', null, array( 'jquery' ), wp_unix_version(), true );
	wp_enqueue_script( 'jquery-browser', get_template_directory_uri() . '/js/jquery.browser.js', array( 'jquery' ), wp_unix_version(), true );
	wp_enqueue_script( 'jquery-dateformat', get_template_directory_uri() . '/js/jquery.dateformat.js', array( 'jquery' ), wp_unix_version(), true );

	wp_enqueue_script( 'cli', get_template_directory_uri() . "/js/cli{$suffix}.js", array( 'jquery' ), wp_unix_version(), true );
	wp_enqueue_script( 'wp_unix', get_template_directory_uri() . "/js/wp-unix{$suffix}.js", array( 'cli', 'jquery' ), wp_unix_version(), true );
	
	//validation...
	if ( is_singular() ) wp_enqueue_script( "comment-reply" );

}


add_action ( 'wp_enqueue_scripts', 'wp_unix_enqueue' );

/**
 * Returns welcome message
 * @TODO make this an option
 * @return string the welcome message
 */
function wp_unix_welcome_message() {

	$msg = '';
	$title = get_bloginfo('title');
	$subtitle = get_bloginfo( 'description' );
	$len = ( strlen( $title ) > strlen( $subtitle ) ) ? strlen( $title ) : strlen( $subtitle );

	$title = wp_unix_center_string( $title, $len );
	$subtitle = wp_unix_center_string( $subtitle, $len );
	$len = $len + 4;

	$msg .= str_pad( '', $len, '*' ) . "\n";
	$msg .= "* $title *\n";
	$msg .= "* $subtitle *\n";
	$msg .= str_pad( '', $len, '*' ) . "\n";
	return $msg;

}


/**
 * Given a string, centers it with spaces to a given length
 * @param string $str the input string
 * @param int $len the string length
 * @return string the centered string
 */
function wp_unix_center_string( $str, $len ) {

	if ( strlen( $str ) == $len )
		return $str;

	//calc diff and halve
	$len = $len - strlen( $str );
	$len = floor( $len / 2 );

	//pad
	$str = str_pad( ' ', $len, ' ' ) . $str . str_pad( ' ', $len, ' ' );

	//check if rounded down
	if ( strlen( $str ) < $len ) $str .= ' ';

	return $str;

}


/**
 * Output i18n info to browser
 */
function wp_unix_i18n() {

	global $current_user;
	global $json_api;
	require_once $json_api->controller_path( 'core' );
	$pages = JSON_API_Core_Controller::get_page_index();
	$pages = $pages['pages'];

	load_theme_textdomain( 'wp-unix', dirname( __FILE__ ) . '/languages/' );

	get_currentuserinfo();
	if ( is_user_logged_in() )
		$user = $current_user->user_nicename;
	else
		$user = __( 'anon', 'wp_unix' );

	$host = get_bloginfo( 'url' );
	$host = str_replace( 'http://', '', $host );

	$data = array(
		'prompt'          => "{$user}@{$host}:/$ ",
		'home'            => get_bloginfo( 'url' ),
		'welcome_message' => wp_unix_welcome_message(),
		'error'           => __( 'An error occurred', 'wp-unix' ),
		'invalid_post'    => __( 'Invalid post', 'wp-unix' ),
		'bad_command'     => __( 'Unrecognized command. Type "help" for assistance.', 'wp-unix' ),
		'help'            => __( 'help', 'wp-unix' ),
		'post_usage'      => __( 'Usage: post [postID]', 'wp-unix' ),
		'posted'          => 'Posted on ',
		'date_format'     => 'MMMM dd, yyyy',
		'meta'            => __( 'This entry was posted in %1$s and tagged %2$s by %3$s.', 'wp-unix' ),
		'search_error'    => __( 'Usage: search [search term(s)]', 'wp-unix' ),
		'no_results'      => __( 'No posts found' , 'wp-unix' ),
		'touch_message'   => __( 'Tap screen to begin...', 'wp-unix' ),
		'query'           => $json_api->introspector->get_posts(),
		'tags'            => get_terms( 'post_tag' ),
		'categories'      => get_terms( 'category' ),
		'pages'           => $pages,
		'not_root'        => __( 'Must be root to execute that command. Perhaps "sudo" can help?', 'wp-unix' ),
		'going_down'      => __( 'The system is going down for maintenance NOW!', 'wp-unix' ),
		'command_not_found' => __( 'command not found', 'wp-unix' ),
		'sudo_what' => __( 'sudo what?', 'wp-unix' ),
		'sandwich' => __( 'make me a sandwich', 'wp-unix' ),
		'broadcast_msg' => __( 'Broadcast message from %s', 'wp-unix' ),
	);

	wp_localize_script( 'cli', 'wp_unix_i18n', $data );

}


add_action( 'wp_enqueue_scripts', 'wp_unix_i18n' );

/**
 * Converts HTML pages to markdown
 * @param return string the content (plain text)
 * @param string $content the content (HTML)
 * @return unknown
 */
function wp_unix_markdownify( $content ) {
	global $markdownify;
	return $markdownify->parseString( $content );
}


add_filter( 'the_content', 'wp_unix_markdownify', 100, 1 );

/**
 * Remove jetpack sharing links from posts
 * @param unknown $content
 * @return unknown
 */
function wp_unix_no_sharing( $content ) {
	remove_filter( 'the_content', 'sharing_display', 19 );
	return $content;
}


add_action( 'the_content', 'wp_unix_no_sharing', 1 );