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sites/all/modules/civicrm/packages/Smarty/plugins/block.textformat.php

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+<?php
+/**
+ * Smarty plugin
+ * @package Smarty
+ * @subpackage plugins
+ */
+
+/**
+ * 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>
+ * @link http://smarty.php.net/manual/en/language.function.textformat.php {textformat}
+ *       (Smarty online manual)
+ * @param array
+ * <pre>
+ * Params:   style: string (email)
+ *           indent: integer (0)
+ *           wrap: integer (80)
+ *           wrap_char string ("\n")
+ *           indent_char: string (" ")
+ *           wrap_boundary: boolean (true)
+ * </pre>
+ * @author Monte Ohrt <monte at ohrt dot com>
+ * @param string contents of the block
+ * @param Smarty clever simulation of a method
+ * @return string string $content re-formatted
+ */
+function smarty_block_textformat($params, $content, &$smarty)
+{
+    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:
+                $smarty->trigger_error("textformat: unknown attribute '$_key'");
+        }
+    }
+
+    if ($style == 'email') {
+        $wrap = 72;
+    }
+
+    // split into paragraphs
+    $_paragraphs = preg_split('![\r\n][\r\n]!',$content);
+    $_output = '';
+
+    for($_x = 0, $_y = count($_paragraphs); $_x < $_y; $_x++) {
+        if ($_paragraphs[$_x] == '') {
+            continue;
+        }
+        // convert mult. spaces & special chars to single space
+        $_paragraphs[$_x] = preg_replace(array('!\s+!','!(^\s+)|(\s+$)!'), array(' ',''), $_paragraphs[$_x]);
+        // indent first line
+        if($indent_first > 0) {
+            $_paragraphs[$_x] = str_repeat($indent_char, $indent_first) . $_paragraphs[$_x];
+        }
+        // wordwrap sentences
+        $_paragraphs[$_x] = wordwrap($_paragraphs[$_x], $wrap - $indent, $wrap_char, $wrap_cut);
+        // indent lines
+        if($indent > 0) {
+            $_paragraphs[$_x] = preg_replace('!^!m', str_repeat($indent_char, $indent), $_paragraphs[$_x]);
+        }
+    }
+    $_output = implode($wrap_char . $wrap_char, $_paragraphs);
+
+    return $assign ? $smarty->assign($assign, $_output) : $_output;
+
+}
+
+/* vim: set expandtab: */
+
+?>