<?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) { if (is_null($content)) { return; } $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); $_output = ''; foreach ($_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) { require_once(SMARTY_PLUGINS_DIR . 'shared.mb_wordwrap.php'); $_paragraph = smarty_mb_wordwrap($_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; } } ?>