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File: resources/Smarty/plugins/block.textformat.php

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File: resources/Smarty/plugins/block.textformat.php
Role: Example script
Content type: text/plain
Description: Example script
Class: Basic Controller Framework
Framework to route requests configured controllers
Author: By
Last change:
Date: 3 months ago
Size: 3,535 bytes
 

Contents

Class file image Download
<?php
/**
 * Smarty plugin to format text blocks
 *
 * @package Smarty
 * @subpackage PluginsBlock
 */

/**
 * Smarty {textformat}{/textformat} block plugin
 * Type: block function<br>
 * Name: textformat<br>
 * Purpose: format text a certain way with preset styles
 * or custom wrap/indent settings<br>
 * Params:
 * <pre>
 * - style - string (email)
 * - indent - integer (0)
 * - wrap - integer (80)
 * - wrap_char - string ("\n")
 * - indent_char - string (" ")
 * - wrap_boundary - boolean (true)
 * </pre>
 *
 * @link http://www.smarty.net/manual/en/language.function.textformat.php {textformat}
 * (Smarty online manual)
 *
 * @param array $params parameters
 * @param string $content contents of the block
 * @param Smarty_Internal_Template $template template object
 * @param boolean &$repeat repeat flag
 *
 * @return string content re-formatted
 * @author Monte Ohrt <monte at ohrt dot com>
 */
function smarty_block_textformat($params, $content, $template, &$repeat)
{
    static
$mb_wordwrap_loaded = false;
    if (
is_null($content)) {
        return;
    }
    if (
Smarty::$_MBSTRING && !$mb_wordwrap_loaded) {
        if (!
is_callable('smarty_modifier_mb_wordwrap')) {
            require_once(
SMARTY_PLUGINS_DIR . 'modifier.mb_wordwrap.php');
        }
       
$mb_wordwrap_loaded = true;
    }

   
$style = null;
   
$indent = 0;
   
$indent_first = 0;
   
$indent_char = ' ';
   
$wrap = 80;
   
$wrap_char = "\n";
   
$wrap_cut = false;
   
$assign = null;

    foreach (
$params as $_key => $_val) {
        switch (
$_key) {
            case
'style':
            case
'indent_char':
            case
'wrap_char':
            case
'assign':
                $
$_key = (string) $_val;
                break;

            case
'indent':
            case
'indent_first':
            case
'wrap':
                $
$_key = (int) $_val;
                break;

            case
'wrap_cut':
                $
$_key = (bool) $_val;
                break;

            default:
               
trigger_error("textformat: unknown attribute '$_key'");
        }
    }

    if (
$style == 'email') {
       
$wrap = 72;
    }
   
// split into paragraphs
   
$_paragraphs = preg_split('![\r\n]{2}!', $content);

    foreach (
$_paragraphs as &$_paragraph) {
        if (!
$_paragraph) {
            continue;
        }
       
// convert mult. spaces & special chars to single space
       
$_paragraph =
           
preg_replace(array('!\s+!' . Smarty::$_UTF8_MODIFIER,
                              
'!(^\s+)|(\s+$)!' . Smarty::$_UTF8_MODIFIER),
                         array(
' ',
                              
''), $_paragraph);
       
// indent first line
       
if ($indent_first > 0) {
           
$_paragraph = str_repeat($indent_char, $indent_first) . $_paragraph;
        }
       
// wordwrap sentences
       
if (Smarty::$_MBSTRING) {
           
$_paragraph = smarty_modifier_mb_wordwrap($_paragraph, $wrap - $indent, $wrap_char, $wrap_cut);
        } else {
           
$_paragraph = wordwrap($_paragraph, $wrap - $indent, $wrap_char, $wrap_cut);
        }
       
// indent lines
       
if ($indent > 0) {
           
$_paragraph = preg_replace('!^!m', str_repeat($indent_char, $indent), $_paragraph);
        }
    }
   
$_output = implode($wrap_char . $wrap_char, $_paragraphs);

    if (
$assign) {
       
$template->assign($assign, $_output);
    } else {
        return
$_output;
    }
}