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Converting Inflector to a singleton, and adding inflection cache

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git-svn-id: https://svn.cakephp.org/repo/branches/1.2.x.x@3372 3807eeeb-6ff5-0310-8944-8be069107fe0
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nate 2006-08-06 18:05:25 +00:00
parent c9652ffaaa
commit 1dfe482574
1 changed files with 92 additions and 19 deletions
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103
cake/libs/inflector.php
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@ -43,7 +43,7 @@
* @package cake
* @subpackage cake.cake.libs
*/
class Inflector extends Object{
class Inflector extends Object {
/**
* Constructor.
*
@ -52,12 +52,27 @@ class Inflector extends Object{
parent::__construct();
}
/**
* Return $word in plural form.
* Gets a reference to the Inflector object instance
*
* @param string $word Word in singular
* @return string Word in plural
* @return object
*/
function pluralize($word) {
function &getInstance() {
static $instance = array();
if (!isset($instance[0]) || !$instance[0]) {
$instance[0] = &new Inflector();
}
return $instance[0];
}
/**
* Initializes plural inflection rules
*
* @access protected
* @return void
*/
function __initPluralRules() {
$_this =& Inflector::getInstance();
$corePluralRules = array('/(s)tatus$/i' => '\1\2tatuses',
'/^(ox)$/i' => '\1\2en', # ox
'/([m|l])ouse$/i' => '\1ice', # mouse, louse
@ -130,32 +145,62 @@ class Inflector extends Object{
$uninflected = array_merge($uninflectedPlural, $coreUninflectedPlural);
$irregular = array_merge($irregularPlural, $coreIrregularPlural);
}
$_this->pluralRules = array('pluralRules' => $pluralRules, 'uninflected' => $uninflected, 'irregular' => $irregular);
$_this->pluralized = array();
}
/**
* Return $word in plural form.
*
* @param string $word Word in singular
* @return string Word in plural
*/
function pluralize($word) {
$_this =& Inflector::getInstance();
if (!isset($_this->pluralRules) || empty($_this->pluralRules)) {
$_this->__initPluralRules();
}
if (isset($_this->pluralized[$word])) {
return $_this->pluralized[$word];
}
extract($_this->pluralRules);
if (!isset($regexUninflected) || !isset($regexIrregular)) {
$regexUninflected = __enclose(join( '|', $uninflected));
$regexIrregular = __enclose(join( '|', array_keys($irregular)));
$_this->pluralRules['regexUninflected'] = $regexUninflected;
$_this->pluralRules['regexIrregular'] = $regexIrregular;
}
if (preg_match('/^(' . $regexUninflected . ')$/i', $word, $regs)) {
$_this->pluralized[$word] = $word;
return $word;
}
if (preg_match('/(.*)\\b(' . $regexIrregular . ')$/i', $word, $regs)) {
return $regs[1] . $irregular[strtolower($regs[2])];
$_this->pluralized[$word] = $regs[1] . $irregular[strtolower($regs[2])];
return $_this->pluralized[$word];
}
foreach($pluralRules as $rule => $replacement) {
if (preg_match($rule, $word)) {
$replace = preg_replace($rule, $replacement, $word);
return $replace;
$_this->pluralized[$word] = preg_replace($rule, $replacement, $word);
return $_this->pluralized[$word];
}
}
$_this->pluralized[$word] = $word;
return $word;
}
/**
* Return $word in singular form.
* Initializes singular inflection rules
*
* @param string $word Word in plural
* @return string Word in singular
* @access protected
* @return void
*/
function singularize($word) {
function __initSingularRules() {
$_this =& Inflector::getInstance();
$coreSingularRules = array('/(s)tatuses$/i' => '\1\2tatus',
'/(matr)ices$/i' => '\1ix',
'/(vert|ind)ices$/i' => '\1ex',
@ -236,23 +281,51 @@ class Inflector extends Object{
$uninflected = array_merge($uninflectedSingular, $coreUninflectedSingular);
$irregular = array_merge($irregularSingular, $coreIrregularSingular);
}
$_this->singularRules = array('singularRules' => $singularRules, 'uninflected' => $uninflected, 'irregular' => $irregular);
$_this->singularized = array();
}
/**
* Return $word in singular form.
*
* @param string $word Word in plural
* @return string Word in singular
*/
function singularize($word) {
$_this =& Inflector::getInstance();
if (!isset($_this->singularRules) || empty($_this->singularRules)) {
$_this->__initSingularRules();
}
if (isset($_this->singularized[$word])) {
return $_this->singularized[$word];
}
extract($_this->singularRules);
if (!isset($regexUninflected) || !isset($regexIrregular)) {
$regexUninflected = __enclose(join( '|', $uninflected));
$regexIrregular = __enclose(join( '|', array_keys($irregular)));
$_this->singularRules['regexUninflected'] = $regexUninflected;
$_this->singularRules['regexIrregular'] = $regexIrregular;
}
if (preg_match('/^(' . $regexUninflected . ')$/i', $word, $regs)) {
$_this->singularized[$word] = $word;
return $word;
}
if (preg_match('/(.*)\\b(' . $regexIrregular . ')$/i', $word, $regs)) {
return $regs[1] . $irregular[strtolower($regs[2])];
$_this->singularized[$word] = $regs[1] . $irregular[strtolower($regs[2])];
return $_this->singularized[$word];
}
foreach($singularRules as $rule => $replacement) {
if (preg_match($rule, $word)) {
$replace = preg_replace($rule, $replacement, $word);
return $replace;
$_this->singularized[$word] = preg_replace($rule, $replacement, $word);
return $_this->singularized[$word];
}
}
$_this->singularized[$word] = $word;
return $word;
}
/**