/**
* Wrap the message using EmailComponent::$lineLength
* 日本語対応
*
* @param string $message Message to wrap
* @param integer $lineLength Max length of line
* @return array Wrapped message
* @access private
*/
function _wrap($message, $lineLength = null)
{
$encoding = strtoupper(Configure::read('App.encoding'));
$message = $this->_strip($message, true);
$message = str_replace(array("\r\n", "\r"), "\n", $message);
$lines = explode("\n", $message);
$formatted = array();
// 行頭禁則文字
$wordwrap_not_head = '，）］｝、〕〉》」』】〙〗〟’”｠»' . 'ヽヾーァィゥェォッャュョヮヵヶぁぃぅぇぉっゃゅょゎゕゖㇰㇱㇲㇳㇴㇵㇶㇷㇸㇹㇺㇻㇼㇽㇾㇿ々〻' . '‐–〜？！‼⁇⁈⁉' . '・：；' . '。．';
// 行末禁則文字
$wordwrap_not_foot = '（［｛〔〈《「『【〘〖〝‘“｟«';
if ($this->_lineLength !== null) {
trigger_error(__('_lineLength cannot be accessed please use lineLength', true), E_USER_WARNING);
$this->lineLength = $this->_lineLength;
}
if (!$lineLength) {
$lineLength = $this->lineLength;
}
foreach ($lines as $line) {
if (substr($line, 0, 1) === '.') {
$line = '.' . $line;
}
// 正規表現を使用するためutf-8エンコード
if ($encoding != 'UTF-8') {
$line = mb_convert_encoding($line, 'UTF-8', $encoding);
}
if (!strlen($line) || preg_match('!(?:https?|ftp)://!', $line)) {
// 空行またはhttpを含む行は折り返しを行わない
$formatted[] = $line;
continue;
}
if (preg_match('/\\A[\\x20-\\x7E]+\\z/u', $line)) {
// 英字のみの行
$parts = parent::_wrap($line, $lineLength);
array_pop($parts);
$formatted = array_merge($formatted, $parts);
continue;
}
// $lineLengthで折り返す
$chr = $tmp_line = '';
$matches = $parts = array();
while (mb_strwidth($tmp_line . $line, 'UTF-8') > $lineLength) {
if (preg_match('/^[\\x20-\\x7E]+/iu', $line, $matches)) {
// 英字の処理
$line = mb_substr($line, mb_strlen($matches[0]), mb_strlen($line), 'UTF-8');
if (mb_strwidth($tmp_line . $matches[0], 'UTF-8') >= $lineLength) {
$parts[] = trim($tmp_line);
$tmp_line = '';
}
$tmp_line .= $matches[0];
if (mb_strwidth($tmp_line, 'UTF-8') >= $lineLength) {
$parts = array_merge($parts, explode("\n", wordwrap($tmp_line, $lineLength, "\n", true)));
$tmp_line = '';
}
} else {
// 1字切り出し
$chr = mb_substr($line, 0, 1, 'UTF-8');
$line = mb_substr($line, 1, mb_strlen($line), 'UTF-8');
$tmp_line .= $chr;
if (mb_strwidth($tmp_line, 'UTF-8') >= $lineLength) {
$next_chr = mb_substr($line, 0, 1, 'UTF-8');
if (strlen($chr) > 0 && mb_strpos($wordwrap_not_foot, $chr, 0, 'UTF-8') !== false || strlen($next_chr) > 0 && mb_strpos($wordwrap_not_head, $next_chr, 0, 'UTF-8') !== false) {
// 行末禁則文字に切り出し文字が該当する場合 or 行頭禁則文字に次の文字が該当する場合
continue;
}
$parts[] = trim($tmp_line);
$tmp_line = '';
}
}
}
if (!empty($line)) {
$parts[] = trim($tmp_line . $line);
}
$formatted = array_merge($formatted, $parts);
}
$formatted[] = '';
// charset指定エンコードへ変換
for ($i = 0; $i < count($formatted); $i++) {
$formatted[$i] = mb_convert_encoding($formatted[$i], $this->charset, 'UTF-8');
}
return $formatted;
}
