1 files changed, 130 insertions, 0 deletions
diff --git a/lib/phptal/PHPTAL/Php/Attribute/I18N/Translate.php b/lib/phptal/PHPTAL/Php/Attribute/I18N/Translate.php
new file mode 100644
index 0000000..a0e26c2
--- /dev/null
+++ b/lib/phptal/PHPTAL/Php/Attribute/I18N/Translate.php
@@ -0,0 +1,130 @@
+<?php
+/**
+ * PHPTAL templating engine
+ *
+ * PHP Version 5
+ *
+ * @category HTML
+ * @package  PHPTAL
+ * @author   Laurent Bedubourg <lbedubourg@motion-twin.com>
+ * @author   Kornel Lesiński <kornel@aardvarkmedia.co.uk>
+ * @license  http://www.gnu.org/licenses/lgpl.html GNU Lesser General Public License
+ * @version  SVN: $Id$
+ * @link     http://phptal.org/
+ */
+
+/**
+ * ZPTInternationalizationSupport
+ *
+ * i18n:translate
+ *
+ * This attribute is used to mark units of text for translation. If this
+ * attribute is specified with an empty string as the value, the message ID
+ * is computed from the content of the element bearing this attribute.
+ * Otherwise, the value of the element gives the message ID.
+ *
+ *
+ * @package PHPTAL
+ * @subpackage Php.attribute.i18n
+ */
+class PHPTAL_Php_Attribute_I18N_Translate extends PHPTAL_Php_Attribute_TAL_Content
+{
+    public function before(PHPTAL_Php_CodeWriter $codewriter)
+    {
+        $escape = true;
+        $this->_echoType = PHPTAL_Php_Attribute::ECHO_TEXT;
+        if (preg_match('/^(text|structure)(?:\s+(.*)|\s*$)/', $this->expression, $m)) {
+            if ($m[1]=='structure') { $escape=false; $this->_echoType = PHPTAL_Php_Attribute::ECHO_STRUCTURE; }
+            $this->expression = isset($m[2])?$m[2]:'';
+        }
+
+        $this->_prepareNames($codewriter, $this->phpelement);
+
+        // if no expression is given, the content of the node is used as
+        // a translation key
+        if (strlen(trim($this->expression)) == 0) {
+            $key = $this->_getTranslationKey($this->phpelement, !$escape, $codewriter->getEncoding());
+            $key = trim(preg_replace('/\s+/sm'.($codewriter->getEncoding()=='UTF-8'?'u':''), ' ', $key));
+            if ('' === trim($key)) {
+                throw new PHPTAL_TemplateException("Empty translation key",
+                            $this->phpelement->getSourceFile(), $this->phpelement->getSourceLine());
+            }
+            $code = $codewriter->str($key);
+        } else {
+            $code = $codewriter->evaluateExpression($this->expression);
+            if (is_array($code))
+                return $this->generateChainedContent($codewriter, $code);
+
+            $code = $codewriter->evaluateExpression($this->expression);
+        }
+
+        $codewriter->pushCode('echo '.$codewriter->getTranslatorReference().'->translate('.$code.','.($escape ? 'true':'false').');');
+    }
+
+    public function after(PHPTAL_Php_CodeWriter $codewriter)
+    {
+    }
+
+    public function talesChainPart(PHPTAL_Php_TalesChainExecutor $executor, $exp, $islast)
+    {
+        $codewriter = $executor->getCodeWriter();
+
+        $escape = !($this->_echoType == PHPTAL_Php_Attribute::ECHO_STRUCTURE);
+        $exp = $codewriter->getTranslatorReference()."->translate($exp, " . ($escape ? 'true':'false') . ')';
+        if (!$islast) {
+            $var = $codewriter->createTempVariable();
+            $executor->doIf('!phptal_isempty('.$var.' = '.$exp.')');
+            $codewriter->pushCode("echo $var");
+            $codewriter->recycleTempVariable($var);
+        } else {
+            $executor->doElse();
+            $codewriter->pushCode("echo $exp");
+        }
+    }
+
+    private function _getTranslationKey(PHPTAL_Dom_Node $tag, $preserve_tags, $encoding)
+    {
+        $result = '';
+        foreach ($tag->childNodes as $child) {
+            if ($child instanceof PHPTAL_Dom_Text) {
+                if ($preserve_tags) {
+                    $result .= $child->getValueEscaped();
+                } else {
+                    $result .= $child->getValue($encoding);
+                }
+            } elseif ($child instanceof PHPTAL_Dom_Element) {
+                if ($attr = $child->getAttributeNodeNS('http://xml.zope.org/namespaces/i18n', 'name')) {
+                    $result .= '${' . $attr->getValue() . '}';
+                } else {
+
+                    if ($preserve_tags) {
+                        $result .= '<'.$child->getQualifiedName();
+                        foreach ($child->getAttributeNodes() as $attr) {
+                            if ($attr->getReplacedState() === PHPTAL_Dom_Attr::HIDDEN) continue;
+
+                            $result .= ' '.$attr->getQualifiedName().'="'.$attr->getValueEscaped().'"';
+                        }
+                        $result .= '>'.$this->_getTranslationKey($child, $preserve_tags, $encoding) . '</'.$child->getQualifiedName().'>';
+                    } else {
+                        $result .= $this->_getTranslationKey($child, $preserve_tags, $encoding);
+                    }
+                }
+            }
+        }
+        return $result;
+    }
+
+    private function _prepareNames(PHPTAL_Php_CodeWriter $codewriter, PHPTAL_Dom_Node $tag)
+    {
+        foreach ($tag->childNodes as $child) {
+            if ($child instanceof PHPTAL_Dom_Element) {
+                if ($child->hasAttributeNS('http://xml.zope.org/namespaces/i18n', 'name')) {
+                    $child->generateCode($codewriter);
+                } else {
+                    $this->_prepareNames($codewriter, $child);
+                }
+            }
+        }
+    }
+}
+