--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/web/Zend/Text/Figlet.php Mon Dec 13 18:29:26 2010 +0100
@@ -0,0 +1,1232 @@
+<?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_Figlet
+ * @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: Figlet.php 20096 2010-01-06 02:05:09Z bkarwin $
+ */
+
+/**
+ * Zend_Text_Figlet is a PHP implementation of FIGlet
+ *
+ * @category Zend
+ * @package Zend_Text_Figlet
+ * @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_Figlet
+{
+ /**
+ * Smush2 layout modes
+ */
+ const SM_EQUAL = 0x01;
+ const SM_LOWLINE = 0x02;
+ const SM_HIERARCHY = 0x04;
+ const SM_PAIR = 0x08;
+ const SM_BIGX = 0x10;
+ const SM_HARDBLANK = 0x20;
+ const SM_KERN = 0x40;
+ const SM_SMUSH = 0x80;
+
+ /**
+ * Smush mode override modes
+ */
+ const SMO_NO = 0;
+ const SMO_YES = 1;
+ const SMO_FORCE = 2;
+
+ /**
+ * Justifications
+ */
+ const JUSTIFICATION_LEFT = 0;
+ const JUSTIFICATION_CENTER = 1;
+ const JUSTIFICATION_RIGHT = 2;
+
+ /**
+ * Write directions
+ */
+ const DIRECTION_LEFT_TO_RIGHT = 0;
+ const DIRECTION_RIGHT_TO_LEFT = 1;
+
+ /**
+ * Magic fontfile number
+ */
+ const FONTFILE_MAGIC_NUMBER = 'flf2';
+
+ /**
+ * Array containing all characters of the current font
+ *
+ * @var array
+ */
+ protected $_charList = array();
+
+ /**
+ * Indicates if a font was loaded yet
+ *
+ * @var boolean
+ */
+ protected $_fontLoaded = false;
+
+ /**
+ * Latin-1 codes for German letters, respectively:
+ *
+ * LATIN CAPITAL LETTER A WITH DIAERESIS = A-umlaut
+ * LATIN CAPITAL LETTER O WITH DIAERESIS = O-umlaut
+ * LATIN CAPITAL LETTER U WITH DIAERESIS = U-umlaut
+ * LATIN SMALL LETTER A WITH DIAERESIS = a-umlaut
+ * LATIN SMALL LETTER O WITH DIAERESIS = o-umlaut
+ * LATIN SMALL LETTER U WITH DIAERESIS = u-umlaut
+ * LATIN SMALL LETTER SHARP S = ess-zed
+ *
+ * @var array
+ */
+ protected $_germanChars = array(196, 214, 220, 228, 246, 252, 223);
+
+ /**
+ * Output width, defaults to 80.
+ *
+ * @var integer
+ */
+ protected $_outputWidth = 80;
+
+ /**
+ * Hard blank character
+ *
+ * @var string
+ */
+ protected $_hardBlank;
+
+ /**
+ * Height of the characters
+ *
+ * @var integer
+ */
+ protected $_charHeight;
+
+ /**
+ * Max length of any character
+ *
+ * @var integer
+ */
+ protected $_maxLength;
+
+ /**
+ * Smush mode
+ *
+ * @var integer
+ */
+ protected $_smushMode = 0;
+
+ /**
+ * Smush defined by the font
+ *
+ * @var integer
+ */
+ protected $_fontSmush = 0;
+
+ /**
+ * Smush defined by the user
+ *
+ * @var integer
+ */
+ protected $_userSmush = 0;
+
+ /**
+ * Wether to handle paragraphs || not
+ *
+ * @var boolean
+ */
+ protected $_handleParagraphs = false;
+
+ /**
+ * Justification for the text, according to $_outputWidth
+ *
+ * For using font default, this parameter should be null, else one of
+ * the values of Zend_Text_Figlet::JUSTIFICATION_*
+ *
+ * @var integer
+ */
+ protected $_justification = null;
+
+ /**
+ * Direction of text-writing, namely right to left
+ *
+ * For using font default, this parameter should be null, else one of
+ * the values of Zend_Text_Figlet::DIRECTION_*
+ *
+ * @var integer
+ */
+ protected $_rightToLeft = null;
+
+ /**
+ * Override font file smush layout
+ *
+ * @var integer
+ */
+ protected $_smushOverride = 0;
+
+ /**
+ * Options of the current font
+ *
+ * @var array
+ */
+ protected $_fontOptions = array();
+
+ /**
+ * Previous character width
+ *
+ * @var integer
+ */
+ protected $_previousCharWidth = 0;
+
+ /**
+ * Current character width
+ *
+ * @var integer
+ */
+ protected $_currentCharWidth = 0;
+
+ /**
+ * Current outline length
+ *
+ * @var integer
+ */
+ protected $_outlineLength = 0;
+
+ /**
+ * Maxmimum outline length
+ *
+ * @var integer
+ */
+ protected $_outlineLengthLimit = 0;
+
+ /**
+ * In character line
+ *
+ * @var string
+ */
+ protected $_inCharLine;
+
+ /**
+ * In character line length
+ *
+ * @var integer
+ */
+ protected $_inCharLineLength = 0;
+
+ /**
+ * Maximum in character line length
+ *
+ * @var integer
+ */
+ protected $_inCharLineLengthLimit = 0;
+
+ /**
+ * Current char
+ *
+ * @var array
+ */
+ protected $_currentChar = null;
+
+ /**
+ * Current output line
+ *
+ * @var array
+ */
+ protected $_outputLine;
+
+ /**
+ * Current output
+ *
+ * @var string
+ */
+ protected $_output;
+
+ /**
+ * Option keys to skip when calling setOptions()
+ *
+ * @var array
+ */
+ protected $_skipOptions = array(
+ 'options',
+ 'config',
+ );
+
+ /**
+ * Instantiate the FIGlet with a specific font. If no font is given, the
+ * standard font is used. You can also supply multiple options via
+ * the $options variable, which can either be an array or an instance of
+ * Zend_Config.
+ *
+ * @param array|Zend_Config $options Options for the output
+ */
+ public function __construct($options = null)
+ {
+ // Set options
+ if (is_array($options)) {
+ $this->setOptions($options);
+ } else if ($options instanceof Zend_Config) {
+ $this->setConfig($options);
+ }
+
+ // If no font was defined, load default font
+ if (!$this->_fontLoaded) {
+ $this->_loadFont(dirname(__FILE__) . '/Figlet/zend-framework.flf');
+ }
+ }
+
+ /**
+ * Set options from array
+ *
+ * @param array $options Configuration for Zend_Text_Figlet
+ * @return Zend_Text_Figlet
+ */
+ public function setOptions(array $options)
+ {
+ foreach ($options as $key => $value) {
+ if (in_array(strtolower($key), $this->_skipOptions)) {
+ continue;
+ }
+
+ $method = 'set' . ucfirst($key);
+ if (method_exists($this, $method)) {
+ $this->$method($value);
+ }
+ }
+ return $this;
+ }
+
+ /**
+ * Set options from config object
+ *
+ * @param Zend_Config $config Configuration for Zend_Text_Figlet
+ * @return Zend_Text_Figlet
+ */
+ public function setConfig(Zend_Config $config)
+ {
+ return $this->setOptions($config->toArray());
+ }
+
+ /**
+ * Set a font to use
+ *
+ * @param string $font Path to the font
+ * @return Zend_Text_Figlet
+ */
+ public function setFont($font)
+ {
+ $this->_loadFont($font);
+ return $this;
+ }
+
+ /**
+ * Set handling of paragraphs
+ *
+ * @param boolean $handleParagraphs Wether to handle paragraphs or not
+ * @return Zend_Text_Figlet
+ */
+ public function setHandleParagraphs($handleParagraphs)
+ {
+ $this->_handleParagraphs = (bool) $handleParagraphs;
+ return $this;
+ }
+
+ /**
+ * Set the justification. 0 stands for left aligned, 1 for centered and 2
+ * for right aligned.
+ *
+ * @param integer $justification Justification of the output text
+ * @return Zend_Text_Figlet
+ */
+ public function setJustification($justification)
+ {
+ $this->_justification = min(3, max(0, (int) $justification));
+ return $this;
+ }
+
+ /**
+ * Set the output width
+ *
+ * @param integer $outputWidth Output with which should be used for word
+ * wrapping and justification
+ * @return Zend_Text_Figlet
+ */
+ public function setOutputWidth($outputWidth)
+ {
+ $this->_outputWidth = max(1, (int) $outputWidth);
+ return $this;
+ }
+
+ /**
+ * Set right to left mode. For writing from left to right, use
+ * Zend_Text_Figlet::DIRECTION_LEFT_TO_RIGHT. For writing from right to left,
+ * use Zend_Text_Figlet::DIRECTION_RIGHT_TO_LEFT.
+ *
+ * @param integer $rightToLeft Right-to-left mode
+ * @return Zend_Text_Figlet
+ */
+ public function setRightToLeft($rightToLeft)
+ {
+ $this->_rightToLeft = min(1, max(0, (int) $rightToLeft));
+ return $this;
+ }
+
+ /**
+ * Set the smush mode.
+ *
+ * Use one of the constants of Zend_Text_Figlet::SM_*, you may combine them.
+ *
+ * @param integer $smushMode Smush mode to use for generating text
+ * @return Zend_Text_Figlet
+ */
+ public function setSmushMode($smushMode)
+ {
+ $smushMode = (int) $smushMode;
+
+ if ($smushMode < -1) {
+ $this->_smushOverride = self::SMO_NO;
+ } else {
+ if ($smushMode === 0) {
+ $this->_userSmush = self::SM_KERN;
+ } else if ($smushMode === -1) {
+ $this->_userSmush = 0;
+ } else {
+ $this->_userSmush = (($smushMode & 63) | self::SM_SMUSH);
+ }
+
+ $this->_smushOverride = self::SMO_YES;
+ }
+
+ $this->_setUsedSmush();
+
+ return $this;
+ }
+
+ /**
+ * Render a FIGlet text
+ *
+ * @param string $text Text to convert to a figlet text
+ * @param string $encoding Encoding of the input string
+ * @throws InvalidArgumentException When $text is not a string
+ * @throws Zend_Text_Figlet_Exception When $text it not properly encoded
+ * @return string
+ */
+ public function render($text, $encoding = 'UTF-8')
+ {
+ if (!is_string($text)) {
+ throw new InvalidArgumentException('$text must be a string');
+ }
+
+ if ($encoding !== 'UTF-8') {
+ $text = iconv($encoding, 'UTF-8', $text);
+ }
+
+ $this->_output = '';
+ $this->_outputLine = array();
+
+ $this->_clearLine();
+
+ $this->_outlineLengthLimit = ($this->_outputWidth - 1);
+ $this->_inCharLineLengthLimit = ($this->_outputWidth * 4 + 100);
+
+ $wordBreakMode = 0;
+ $lastCharWasEol = false;
+ $textLength = @iconv_strlen($text, 'UTF-8');
+
+ if ($textLength === false) {
+ require_once 'Zend/Text/Figlet/Exception.php';
+ throw new Zend_Text_Figlet_Exception('$text is not encoded with ' . $encoding);
+ }
+
+ for ($charNum = 0; $charNum < $textLength; $charNum++) {
+ // Handle paragraphs
+ $char = iconv_substr($text, $charNum, 1, 'UTF-8');
+
+ if ($char === "\n" && $this->_handleParagraphs && !$lastCharWasEol) {
+ $nextChar = iconv_substr($text, ($charNum + 1), 1, 'UTF-8');
+ if (!$nextChar) {
+ $nextChar = null;
+ }
+
+ $char = (ctype_space($nextChar)) ? "\n" : ' ';
+ }
+
+ $lastCharWasEol = (ctype_space($char) && $char !== "\t" && $char !== ' ');
+
+ if (ctype_space($char)) {
+ $char = ($char === "\t" || $char === ' ') ? ' ': "\n";
+ }
+
+ // Skip unprintable characters
+ $ordChar = $this->_uniOrd($char);
+ if (($ordChar > 0 && $ordChar < 32 && $char !== "\n") || $ordChar === 127) {
+ continue;
+ }
+
+ // Build the character
+ // Note: The following code is complex and thoroughly tested.
+ // Be careful when modifying!
+ do {
+ $charNotAdded = false;
+
+ if ($wordBreakMode === -1) {
+ if ($char === ' ') {
+ break;
+ } else if ($char === "\n") {
+ $wordBreakMode = 0;
+ break;
+ }
+
+ $wordBreakMode = 0;
+ }
+
+ if ($char === "\n") {
+ $this->_appendLine();
+ $wordBreakMode = false;
+ } else if ($this->_addChar($char)) {
+ if ($char !== ' ') {
+ $wordBreakMode = ($wordBreakMode >= 2) ? 3: 1;
+ } else {
+ $wordBreakMode = ($wordBreakMode > 0) ? 2: 0;
+ }
+ } else if ($this->_outlineLength === 0) {
+ for ($i = 0; $i < $this->_charHeight; $i++) {
+ if ($this->_rightToLeft === 1 && $this->_outputWidth > 1) {
+ $offset = (strlen($this->_currentChar[$i]) - $this->_outlineLengthLimit);
+ $this->_putString(substr($this->_currentChar[$i], $offset));
+ } else {
+ $this->_putString($this->_currentChar[$i]);
+ }
+ }
+
+ $wordBreakMode = -1;
+ } else if ($char === ' ') {
+ if ($wordBreakMode === 2) {
+ $this->_splitLine();
+ } else {
+ $this->_appendLine();
+ }
+
+ $wordBreakMode = -1;
+ } else {
+ if ($wordBreakMode >= 2) {
+ $this->_splitLine();
+ } else {
+ $this->_appendLine();
+ }
+
+ $wordBreakMode = ($wordBreakMode === 3) ? 1 : 0;
+ $charNotAdded = true;
+ }
+ } while ($charNotAdded);
+ }
+
+ if ($this->_outlineLength !== 0) {
+ $this->_appendLine();
+ }
+
+ return $this->_output;
+ }
+
+ /**
+ * Puts the given string, substituting blanks for hardblanks. If outputWidth
+ * is 1, puts the entire string; otherwise puts at most outputWidth - 1
+ * characters. Puts a newline at the end of the string. The string is left-
+ * justified, centered or right-justified (taking outputWidth as the screen
+ * width) if justification is 0, 1 or 2 respectively.
+ *
+ * @param string $string The string to add to the output
+ * @return void
+ */
+ protected function _putString($string)
+ {
+ $length = strlen($string);
+
+ if ($this->_outputWidth > 1) {
+ if ($length > ($this->_outputWidth - 1)) {
+ $length = ($this->_outputWidth - 1);
+ }
+
+ if ($this->_justification > 0) {
+ for ($i = 1;
+ ((3 - $this->_justification) * $i + $length + $this->_justification - 2) < $this->_outputWidth;
+ $i++) {
+ $this->_output .= ' ';
+ }
+ }
+ }
+
+ $this->_output .= str_replace($this->_hardBlank, ' ', $string) . "\n";
+ }
+
+ /**
+ * Appends the current line to the output
+ *
+ * @return void
+ */
+ protected function _appendLine()
+ {
+ for ($i = 0; $i < $this->_charHeight; $i++) {
+ $this->_putString($this->_outputLine[$i]);
+ }
+
+ $this->_clearLine();
+ }
+
+ /**
+ * Splits inCharLine at the last word break (bunch of consecutive blanks).
+ * Makes a new line out of the first part and appends it using appendLine().
+ * Makes a new line out of the second part and returns.
+ *
+ * @return void
+ */
+ protected function _splitLine()
+ {
+ $gotSpace = false;
+ for ($i = ($this->_inCharLineLength - 1); $i >= 0; $i--) {
+ if (!$gotSpace && $this->_inCharLine[$i] === ' ') {
+ $gotSpace = true;
+ $lastSpace = $i;
+ }
+
+ if ($gotSpace && $this->_inCharLine[$i] !== ' ') {
+ break;
+ }
+ }
+
+ $firstLength = ($i + 1);
+ $lastLength = ($this->_inCharLineLength - $lastSpace - 1);
+
+ $firstPart = '';
+ for ($i = 0; $i < $firstLength; $i++) {
+ $firstPart[$i] = $this->_inCharLine[$i];
+ }
+
+ $lastPart = '';
+ for ($i = 0; $i < $lastLength; $i++) {
+ $lastPart[$i] = $this->_inCharLine[($lastSpace + 1 + $i)];
+ }
+
+ $this->_clearLine();
+
+ for ($i = 0; $i < $firstLength; $i++) {
+ $this->_addChar($firstPart[$i]);
+ }
+
+ $this->_appendLine();
+
+ for ($i = 0; $i < $lastLength; $i++) {
+ $this->_addChar($lastPart[$i]);
+ }
+ }
+
+ /**
+ * Clears the current line
+ *
+ * @return void
+ */
+ protected function _clearLine()
+ {
+ for ($i = 0; $i < $this->_charHeight; $i++) {
+ $this->_outputLine[$i] = '';
+ }
+
+ $this->_outlineLength = 0;
+ $this->_inCharLineLength = 0;
+ }
+
+ /**
+ * Attempts to add the given character onto the end of the current line.
+ * Returns true if this can be done, false otherwise.
+ *
+ * @param string $char Character which to add to the output
+ * @return boolean
+ */
+ protected function _addChar($char)
+ {
+ $this->_getLetter($char);
+
+ if ($this->_currentChar === null) {
+ return true;
+ }
+
+ $smushAmount = $this->_smushAmount();
+
+ if (($this->_outlineLength + $this->_currentCharWidth - $smushAmount) > $this->_outlineLengthLimit
+ || ($this->_inCharLineLength + 1) > $this->_inCharLineLengthLimit) {
+ return false;
+ }
+
+ $tempLine = '';
+ for ($row = 0; $row < $this->_charHeight; $row++) {
+ if ($this->_rightToLeft === 1) {
+ $tempLine = $this->_currentChar[$row];
+
+ for ($k = 0; $k < $smushAmount; $k++) {
+ $position = ($this->_currentCharWidth - $smushAmount + $k);
+ $tempLine[$position] = $this->_smushem($tempLine[$position], $this->_outputLine[$row][$k]);
+ }
+
+ $this->_outputLine[$row] = $tempLine . substr($this->_outputLine[$row], $smushAmount);
+ } else {
+ for ($k = 0; $k < $smushAmount; $k++) {
+ if (($this->_outlineLength - $smushAmount + $k) < 0) {
+ continue;
+ }
+
+ $position = ($this->_outlineLength - $smushAmount + $k);
+ if (isset($this->_outputLine[$row][$position])) {
+ $leftChar = $this->_outputLine[$row][$position];
+ } else {
+ $leftChar = null;
+ }
+
+ $this->_outputLine[$row][$position] = $this->_smushem($leftChar, $this->_currentChar[$row][$k]);
+ }
+
+ $this->_outputLine[$row] .= substr($this->_currentChar[$row], $smushAmount);
+ }
+ }
+
+ $this->_outlineLength = strlen($this->_outputLine[0]);
+ $this->_inCharLine[$this->_inCharLineLength++] = $char;
+
+ return true;
+ }
+
+ /**
+ * Gets the requested character and sets current and previous char width.
+ *
+ * @param string $char The character from which to get the letter of
+ * @return void
+ */
+ protected function _getLetter($char)
+ {
+ if (array_key_exists($this->_uniOrd($char), $this->_charList)) {
+ $this->_currentChar = $this->_charList[$this->_uniOrd($char)];
+ $this->_previousCharWidth = $this->_currentCharWidth;
+ $this->_currentCharWidth = strlen($this->_currentChar[0]);
+ } else {
+ $this->_currentChar = null;
+ }
+ }
+
+ /**
+ * Returns the maximum amount that the current character can be smushed into
+ * the current line.
+ *
+ * @return integer
+ */
+ protected function _smushAmount()
+ {
+ if (($this->_smushMode & (self::SM_SMUSH | self::SM_KERN)) === 0) {
+ return 0;
+ }
+
+ $maxSmush = $this->_currentCharWidth;
+ $amount = $maxSmush;
+
+ for ($row = 0; $row < $this->_charHeight; $row++) {
+ if ($this->_rightToLeft === 1) {
+ $charbd = strlen($this->_currentChar[$row]);
+ while (true) {
+ if (!isset($this->_currentChar[$row][$charbd])) {
+ $leftChar = null;
+ } else {
+ $leftChar = $this->_currentChar[$row][$charbd];
+ }
+
+ if ($charbd > 0 && ($leftChar === null || $leftChar == ' ')) {
+ $charbd--;
+ } else {
+ break;
+ }
+ }
+
+ $linebd = 0;
+ while (true) {
+ if (!isset($this->_outputLine[$row][$linebd])) {
+ $rightChar = null;
+ } else {
+ $rightChar = $this->_outputLine[$row][$linebd];
+ }
+
+ if ($rightChar === ' ') {
+ $linebd++;
+ } else {
+ break;
+ }
+ }
+
+ $amount = ($linebd + $this->_currentCharWidth - 1 - $charbd);
+ } else {
+ $linebd = strlen($this->_outputLine[$row]);
+ while (true) {
+ if (!isset($this->_outputLine[$row][$linebd])) {
+ $leftChar = null;
+ } else {
+ $leftChar = $this->_outputLine[$row][$linebd];
+ }
+
+ if ($linebd > 0 && ($leftChar === null || $leftChar == ' ')) {
+ $linebd--;
+ } else {
+ break;
+ }
+ }
+
+ $charbd = 0;
+ while (true) {
+ if (!isset($this->_currentChar[$row][$charbd])) {
+ $rightChar = null;
+ } else {
+ $rightChar = $this->_currentChar[$row][$charbd];
+ }
+
+ if ($rightChar === ' ') {
+ $charbd++;
+ } else {
+ break;
+ }
+ }
+
+ $amount = ($charbd + $this->_outlineLength - 1 - $linebd);
+ }
+
+ if (empty($leftChar) || $leftChar === ' ') {
+ $amount++;
+ } else if (!empty($rightChar)) {
+ if ($this->_smushem($leftChar, $rightChar) !== null) {
+ $amount++;
+ }
+ }
+
+ $maxSmush = min($amount, $maxSmush);
+ }
+
+ return $maxSmush;
+ }
+
+ /**
+ * Given two characters, attempts to smush them into one, according to the
+ * current smushmode. Returns smushed character or false if no smushing can
+ * be done.
+ *
+ * Smushmode values are sum of following (all values smush blanks):
+ *
+ * 1: Smush equal chars (not hardblanks)
+ * 2: Smush '_' with any char in hierarchy below
+ * 4: hierarchy: "|", "/\", "[]", "{}", "()", "<>"
+ * Each class in hier. can be replaced by later class.
+ * 8: [ + ] -> |, { + } -> |, ( + ) -> |
+ * 16: / + \ -> X, > + < -> X (only in that order)
+ * 32: hardblank + hardblank -> hardblank
+ *
+ * @param string $leftChar Left character to smush
+ * @param string $rightChar Right character to smush
+ * @return string
+ */
+ protected function _smushem($leftChar, $rightChar)
+ {
+ if ($leftChar === ' ') {
+ return $rightChar;
+ }
+
+ if ($rightChar === ' ') {
+ return $leftChar;
+ }
+
+ if ($this->_previousCharWidth < 2 || $this->_currentCharWidth < 2) {
+ // Disallows overlapping if the previous character or the current
+ // character has a width of one or zero.
+ return null;
+ }
+
+ if (($this->_smushMode & self::SM_SMUSH) === 0) {
+ // Kerning
+ return null;
+ }
+
+ if (($this->_smushMode & 63) === 0) {
+ // This is smushing by universal overlapping
+ if ($leftChar === ' ') {
+ return $rightChar;
+ } else if ($rightChar === ' ') {
+ return $leftChar;
+ } else if ($leftChar === $this->_hardBlank) {
+ return $rightChar;
+ } else if ($rightChar === $this->_hardBlank) {
+ return $rightChar;
+ } else if ($this->_rightToLeft === 1) {
+ return $leftChar;
+ } else {
+ // Occurs in the absence of above exceptions
+ return $rightChar;
+ }
+ }
+
+ if (($this->_smushMode & self::SM_HARDBLANK) > 0) {
+ if ($leftChar === $this->_hardBlank && $rightChar === $this->_hardBlank) {
+ return $leftChar;
+ }
+ }
+
+ if ($leftChar === $this->_hardBlank && $rightChar === $this->_hardBlank) {
+ return null;
+ }
+
+ if (($this->_smushMode & self::SM_EQUAL) > 0) {
+ if ($leftChar === $rightChar) {
+ return $leftChar;
+ }
+ }
+
+ if (($this->_smushMode & self::SM_LOWLINE) > 0) {
+ if ($leftChar === '_' && strchr('|/\\[]{}()<>', $rightChar) !== false) {
+ return $rightChar;
+ } else if ($rightChar === '_' && strchr('|/\\[]{}()<>', $leftChar) !== false) {
+ return $leftChar;
+ }
+ }
+
+ if (($this->_smushMode & self::SM_HIERARCHY) > 0) {
+ if ($leftChar === '|' && strchr('/\\[]{}()<>', $rightChar) !== false) {
+ return $rightChar;
+ } else if ($rightChar === '|' && strchr('/\\[]{}()<>', $leftChar) !== false) {
+ return $leftChar;
+ } else if (strchr('/\\', $leftChar) && strchr('[]{}()<>', $rightChar) !== false) {
+ return $rightChar;
+ } else if (strchr('/\\', $rightChar) && strchr('[]{}()<>', $leftChar) !== false) {
+ return $leftChar;
+ } else if (strchr('[]', $leftChar) && strchr('{}()<>', $rightChar) !== false) {
+ return $rightChar;
+ } else if (strchr('[]', $rightChar) && strchr('{}()<>', $leftChar) !== false) {
+ return $leftChar;
+ } else if (strchr('{}', $leftChar) && strchr('()<>', $rightChar) !== false) {
+ return $rightChar;
+ } else if (strchr('{}', $rightChar) && strchr('()<>', $leftChar) !== false) {
+ return $leftChar;
+ } else if (strchr('()', $leftChar) && strchr('<>', $rightChar) !== false) {
+ return $rightChar;
+ } else if (strchr('()', $rightChar) && strchr('<>', $leftChar) !== false) {
+ return $leftChar;
+ }
+ }
+
+ if (($this->_smushMode & self::SM_PAIR) > 0) {
+ if ($leftChar === '[' && $rightChar === ']') {
+ return '|';
+ } else if ($rightChar === '[' && $leftChar === ']') {
+ return '|';
+ } else if ($leftChar === '{' && $rightChar === '}') {
+ return '|';
+ } else if ($rightChar === '{' && $leftChar === '}') {
+ return '|';
+ } else if ($leftChar === '(' && $rightChar === ')') {
+ return '|';
+ } else if ($rightChar === '(' && $leftChar === ')') {
+ return '|';
+ }
+ }
+
+ if (($this->_smushMode & self::SM_BIGX) > 0) {
+ if ($leftChar === '/' && $rightChar === '\\') {
+ return '|';
+ } else if ($rightChar === '/' && $leftChar === '\\') {
+ return 'Y';
+ } else if ($leftChar === '>' && $rightChar === '<') {
+ return 'X';
+ }
+ }
+
+ return null;
+ }
+
+ /**
+ * Load the specified font
+ *
+ * @param string $fontFile Font file to load
+ * @throws Zend_Text_Figlet_Exception When font file was not found
+ * @throws Zend_Text_Figlet_Exception When GZIP library is required but not found
+ * @throws Zend_Text_Figlet_Exception When font file is not readable
+ * @return void
+ */
+ protected function _loadFont($fontFile)
+ {
+ // Check if the font file exists
+ if (!file_exists($fontFile)) {
+ require_once 'Zend/Text/Figlet/Exception.php';
+ throw new Zend_Text_Figlet_Exception($fontFile . ': Font file not found');
+ }
+
+ // Check if gzip support is required
+ if (substr($fontFile, -3) === '.gz') {
+ if (!function_exists('gzcompress')) {
+ require_once 'Zend/Text/Figlet/Exception.php';
+ throw new Zend_Text_Figlet_Exception('GZIP library is required for '
+ . 'gzip compressed font files');
+ }
+
+ $fontFile = 'compress.zlib://' . $fontFile;
+ $compressed = true;
+ } else {
+ $compressed = false;
+ }
+
+ // Try to open the file
+ $fp = fopen($fontFile, 'rb');
+ if ($fp === false) {
+ require_once 'Zend/Text/Figlet/Exception.php';
+ throw new Zend_Text_Figlet_Exception($fontFile . ': Could not open file');
+ }
+
+ // If the file is not compressed, lock the stream
+ if (!$compressed) {
+ flock($fp, LOCK_SH);
+ }
+
+ // Get magic
+ $magic = $this->_readMagic($fp);
+
+ // Get the header
+ $numsRead = sscanf(fgets($fp, 1000),
+ '%*c%c %d %*d %d %d %d %d %d',
+ $this->_hardBlank,
+ $this->_charHeight,
+ $this->_maxLength,
+ $smush,
+ $cmtLines,
+ $rightToLeft,
+ $this->_fontSmush);
+
+ if ($magic !== self::FONTFILE_MAGIC_NUMBER || $numsRead < 5) {
+ require_once 'Zend/Text/Figlet/Exception.php';
+ throw new Zend_Text_Figlet_Exception($fontFile . ': Not a FIGlet 2 font file');
+ }
+
+ // Set default right to left
+ if ($numsRead < 6) {
+ $rightToLeft = 0;
+ }
+
+ // If no smush2, decode smush into smush2
+ if ($numsRead < 7) {
+ if ($smush === 2) {
+ $this->_fontSmush = self::SM_KERN;
+ } else if ($smush < 0) {
+ $this->_fontSmush = 0;
+ } else {
+ $this->_fontSmush = (($smush & 31) | self::SM_SMUSH);
+ }
+ }
+
+ // Correct char height && maxlength
+ $this->_charHeight = max(1, $this->_charHeight);
+ $this->_maxLength = max(1, $this->_maxLength);
+
+ // Give ourselves some extra room
+ $this->_maxLength += 100;
+
+ // See if we have to override smush settings
+ $this->_setUsedSmush();
+
+ // Get left to right value
+ if ($this->_rightToLeft === null) {
+ $this->_rightToLeft = $rightToLeft;
+ }
+
+ // Get justification value
+ if ($this->_justification === null) {
+ $this->_justification = (2 * $this->_rightToLeft);
+ }
+
+ // Skip all comment lines
+ for ($line = 1; $line <= $cmtLines; $line++) {
+ $this->_skipToEol($fp);
+ }
+
+ // Fetch all ASCII characters
+ for ($asciiCode = 32; $asciiCode < 127; $asciiCode++) {
+ $this->_charList[$asciiCode] = $this->_loadChar($fp);
+ }
+
+ // Fetch all german characters
+ foreach ($this->_germanChars as $uniCode) {
+ $char = $this->_loadChar($fp);
+
+ if ($char === false) {
+ fclose($fp);
+ return;
+ }
+
+ if (trim(implode('', $char)) !== '') {
+ $this->_charList[$uniCode] = $char;
+ }
+ }
+
+ // At the end fetch all extended characters
+ while (!feof($fp)) {
+ // Get the Unicode
+ list($uniCode) = explode(' ', fgets($fp, 2048));
+
+ if (empty($uniCode)) {
+ continue;
+ }
+
+ // Convert it if required
+ if (substr($uniCode, 0, 2) === '0x') {
+ $uniCode = hexdec(substr($uniCode, 2));
+ } else if (substr($uniCode, 0, 1) === '0' and
+ $uniCode !== '0' or
+ substr($uniCode, 0, 2) === '-0') {
+ $uniCode = octdec($uniCode);
+ } else {
+ $uniCode = (int) $uniCode;
+ }
+
+ // Now fetch the character
+ $char = $this->_loadChar($fp);
+
+ if ($char === false) {
+ fclose($fp);
+ return;
+ }
+
+ $this->_charList[$uniCode] = $char;
+ }
+
+ fclose($fp);
+
+ $this->_fontLoaded = true;
+ }
+
+ /**
+ * Set the used smush mode, according to smush override, user smsush and
+ * font smush.
+ *
+ * @return void
+ */
+ protected function _setUsedSmush()
+ {
+ if ($this->_smushOverride === self::SMO_NO) {
+ $this->_smushMode = $this->_fontSmush;
+ } else if ($this->_smushOverride === self::SMO_YES) {
+ $this->_smushMode = $this->_userSmush;
+ } else if ($this->_smushOverride === self::SMO_FORCE) {
+ $this->_smushMode = ($this->_fontSmush | $this->_userSmush);
+ }
+ }
+
+ /**
+ * Reads a four-character magic string from a stream
+ *
+ * @param resource $fp File pointer to the font file
+ * @return string
+ */
+ protected function _readMagic($fp)
+ {
+ $magic = '';
+
+ for ($i = 0; $i < 4; $i++) {
+ $magic .= fgetc($fp);
+ }
+
+ return $magic;
+ }
+
+ /**
+ * Skip a stream to the end of line
+ *
+ * @param resource $fp File pointer to the font file
+ * @return void
+ */
+ protected function _skipToEol($fp)
+ {
+ $dummy = fgetc($fp);
+ while ($dummy !== false && !feof($fp)) {
+ if ($dummy === "\n") {
+ return;
+ }
+
+ if ($dummy === "\r") {
+ $dummy = fgetc($fp);
+
+ if (!feof($fp) && $dummy !== "\n") {
+ fseek($fp, -1, SEEK_SET);
+ }
+
+ return;
+ }
+
+ $dummy = fgetc($fp);
+ }
+ }
+
+ /**
+ * Load a single character from the font file
+ *
+ * @param resource $fp File pointer to the font file
+ * @return array
+ */
+ protected function _loadChar($fp)
+ {
+ $char = array();
+
+ for ($i = 0; $i < $this->_charHeight; $i++) {
+ if (feof($fp)) {
+ return false;
+ }
+
+ $line = rtrim(fgets($fp, 2048), "\r\n");
+
+ if (preg_match('#(.)\\1?$#', $line, $result) === 1) {
+ $line = str_replace($result[1], '', $line);
+ }
+
+ $char[] = $line;
+ }
+
+ return $char;
+ }
+
+ /**
+ * Unicode compatible ord() method
+ *
+ * @param string $c The char to get the value from
+ * @return integer
+ */
+ protected function _uniOrd($c)
+ {
+ $h = ord($c[0]);
+
+ if ($h <= 0x7F) {
+ $ord = $h;
+ } else if ($h < 0xC2) {
+ $ord = 0;
+ } else if ($h <= 0xDF) {
+ $ord = (($h & 0x1F) << 6 | (ord($c[1]) & 0x3F));
+ } else if ($h <= 0xEF) {
+ $ord = (($h & 0x0F) << 12 | (ord($c[1]) & 0x3F) << 6 | (ord($c[2]) & 0x3F));
+ } else if ($h <= 0xF4) {
+ $ord = (($h & 0x0F) << 18 | (ord($c[1]) & 0x3F) << 12 |
+ (ord($c[2]) & 0x3F) << 6 | (ord($c[3]) & 0x3F));
+ } else {
+ $ord = 0;
+ }
+
+ return $ord;
+ }
+}