web/Zend/Text/MultiByte.php
changeset 0 4eba9c11703f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/Zend/Text/MultiByte.php	Mon Dec 13 18:29:26 2010 +0100
@@ -0,0 +1,165 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category  Zend
+ * @package   Zend_Text
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd     New BSD License
+ * @version   $Id: MultiByte.php 21931 2010-04-18 15:25:32Z dasprid $
+ */
+
+/**
+ * Zend_Text_MultiByte contains multibyte safe string methods
+ *
+ * @category  Zend
+ * @package   Zend_Text
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Text_MultiByte
+{
+    /**
+     * Word wrap
+     *
+     * @param  string  $string
+     * @param  integer $width
+     * @param  string  $break
+     * @param  boolean $cut
+     * @param  string  $charset
+     * @return string
+     */
+    public static function wordWrap($string, $width = 75, $break = "\n", $cut = false, $charset = 'UTF-8')
+    {
+        $result     = array();
+        $breakWidth = iconv_strlen($break, $charset);
+
+        while (($stringLength = iconv_strlen($string, $charset)) > 0) {
+            $breakPos = iconv_strpos($string, $break, 0, $charset);
+
+            if ($breakPos !== false && $breakPos < $width) {
+                if ($breakPos === $stringLength - $breakWidth) {
+                    $subString = $string;
+                    $cutLength = null;
+                } else {
+                    $subString = iconv_substr($string, 0, $breakPos, $charset);
+                    $cutLength = $breakPos + $breakWidth;
+                }
+            } else {
+                $subString = iconv_substr($string, 0, $width, $charset);
+
+                if ($subString === $string) {
+                    $cutLength = null;
+                } else {
+                    $nextChar = iconv_substr($string, $width, 1, $charset);
+                    
+                    if ($breakWidth === 1) {
+                        $nextBreak = $nextChar;
+                    } else {
+                        $nextBreak = iconv_substr($string, $breakWidth, 1, $charset);
+                    }
+
+                    if ($nextChar === ' ' || $nextBreak === $break) {
+                        $afterNextChar = iconv_substr($string, $width + 1, 1, $charset);
+
+                        if ($afterNextChar === false) {
+                            $subString .= $nextChar;
+                        }
+
+                        $cutLength = iconv_strlen($subString, $charset) + 1;
+                    } else {
+                        $spacePos = iconv_strrpos($subString, ' ', $charset);
+
+                        if ($spacePos !== false) {
+                            $subString = iconv_substr($subString, 0, $spacePos, $charset);
+                            $cutLength = $spacePos + 1;
+                        } else if ($cut === false) {
+                            $spacePos = iconv_strpos($string, ' ', 0, $charset);
+
+                            if ($spacePos !== false) {
+                                $subString = iconv_substr($string, 0, $spacePos, $charset);
+                                $cutLength = $spacePos + 1;
+                            } else {
+                                $subString = $string;
+                                $cutLength = null;
+                            }
+                        } else {
+                            $subString = iconv_substr($subString, 0, $width, $charset);
+                            $cutLength = $width;
+                        }
+                    }
+                }
+            }
+
+            $result[] = $subString;
+
+            if ($cutLength !== null) {
+                $string = iconv_substr($string, $cutLength, ($stringLength - $cutLength), $charset);
+            } else {
+                break;
+            }
+        }
+
+        return implode($break, $result);
+    }
+
+    /**
+     * String padding
+     *
+     * @param  string  $input
+     * @param  integer $padLength
+     * @param  string  $padString
+     * @param  integer $padType
+     * @param  string  $charset
+     * @return string
+     */
+    public static function strPad($input, $padLength, $padString = ' ', $padType = STR_PAD_RIGHT, $charset = 'UTF-8')
+    {
+        $return          = '';
+        $lengthOfPadding = $padLength - iconv_strlen($input, $charset);
+        $padStringLength = iconv_strlen($padString, $charset);
+
+        if ($padStringLength === 0 || $lengthOfPadding === 0) {
+            $return = $input;
+        } else {
+            $repeatCount = floor($lengthOfPadding / $padStringLength);
+
+            if ($padType === STR_PAD_BOTH) {
+                $lastStringLeft  = '';
+                $lastStringRight = '';
+                $repeatCountLeft = $repeatCountRight = ($repeatCount - $repeatCount % 2) / 2;
+
+                $lastStringLength       = $lengthOfPadding - 2 * $repeatCountLeft * $padStringLength;
+                $lastStringLeftLength   = $lastStringRightLength = floor($lastStringLength / 2);
+                $lastStringRightLength += $lastStringLength % 2;
+
+                $lastStringLeft  = iconv_substr($padString, 0, $lastStringLeftLength, $charset);
+                $lastStringRight = iconv_substr($padString, 0, $lastStringRightLength, $charset);
+
+                $return = str_repeat($padString, $repeatCountLeft) . $lastStringLeft
+                        . $input
+                        . str_repeat($padString, $repeatCountRight) . $lastStringRight;
+            } else {
+                $lastString = iconv_substr($padString, 0, $lengthOfPadding % $padStringLength, $charset);
+
+                if ($padType === STR_PAD_LEFT) {
+                    $return = str_repeat($padString, $repeatCount) . $lastString . $input;
+                } else {
+                    $return = $input . str_repeat($padString, $repeatCount) . $lastString;
+                }
+            }
+        }
+
+        return $return;
+    }
+}