function layout()
{
$template = $this->tag['template'];
$icount = min($this->temparr['limits'], count($this->items));
list($rowblock, $colblock) = $this->fetch_block($template);
$colcount = empty($colblock) ? 1 : (empty($this->tag['cols']) ? 1 : $this->tag['cols']);
$rowcount = ceil($icount / $colcount);
$newrows = $newcols = $newrow = '';
for ($i = 0; $i < $colcount * $rowcount; $i++) {
//如果是空集以下的操作跳过
$filled = isset($this->items[$i]);
$this->item = $filled ? $this->items[$i] : array();
$this->item['sn_cell'] = $i + 1;
//在列表中以原始数据来解析当前的单元序号
$filled ? $this->deal_incell() : $this->fill_blank();
if ($colblock) {
$this->item['sn_row'] = ceil(($i + 1) / $colcount);
//在列表中以原始数据来解析当前的行序号
if ($filled || $this->cell_fill) {
$newcol = $colblock;
nreplace($newcol, 'up', $this->item);
!$this->no_ctag && nreplace($newcol, 'c', $this->midarr);
//单元内的c标识
nreplace($newcol, 'u', $this->item);
nreplace($newcol, 'b', $this->item);
} else {
$newcol = '';
}
$newcols .= $newcol;
if (!(($i + 1) % $colcount)) {
$newrow = $this->block_replace('col', $newcols, $rowblock);
nreplace($newrow, 'up', $this->item);
!$this->no_ctag && nreplace($newrow, 'c', $this->midarr);
//单元外的c标识
nreplace($newrow, 'u', $this->item);
nreplace($newrow, 'b', $this->item);
$newrows .= $newrow;
$newcols = $newrow = '';
}
} else {
$this->item['sn_row'] = $i + 1;
//在列表中以原始数据来解析当前的行序号
$newrow = $rowblock;
nreplace($newrow, 'up', $this->item);
!$this->no_ctag && nreplace($newrow, 'c', $this->midarr);
//单元内的c标识
nreplace($newrow, 'u', $this->item);
nreplace($newrow, 'b', $this->item);
$newrows .= $newrow;
$newrow = '';
}
}
$template = $this->block_replace('row', $newrows, $template);
nreplace($template, 'up', $this->temparr);
!$this->no_ctag && nreplace($template, 'c', $this->temparr);
nreplace($template, 'u', $this->temparr);
nreplace($template, 'b', $this->temparr);
return $template;
}
function arr_row_block($str)
{
$narr = array(1 => '', 2 => $str, 3 => '');
if (preg_match_all("/\\{(c|u)\\\$(.+?)(\\}|\\s+(.*?)\\{\\/\\1\\\$\\2\\})/is", $str, $matches)) {
$_reps = $_order = array();
foreach ($matches[0] as $k => $v) {
$_reps[$k] = $v;
$_order[$k] = $matches[1][$k] == 'c' ? 0 : 1;
}
if ($_reps) {
array_multisort($_order, SORT_ASC, $_reps);
foreach ($_reps as $k => $v) {
$str = str_replace($v, '[[[' . $k . ']]]', $str);
}
}
unset($matches, $_order, $k, $v);
}
if (preg_match("/^(.*?)\\[row\\](.*)\\[\\/row\\](.*?)\$/is", $str, $matches)) {
unset($matches[0]);
foreach ($matches as $x => $y) {
if (!empty($_reps)) {
foreach ($_reps as $k => $v) {
$y = str_replace('[[[' . $k . ']]]', $v, $y);
}
}
if ($x != 2) {
nreplace($y, 'c');
nreplace($y, 'u');
}
$narr[$x] = $y;
}
} elseif (!empty($_reps)) {
foreach ($_reps as $k => $v) {
$narr[2] = str_replace('[[[' . $k . ']]]', $v, $narr[2]);
}
}
unset($matches, $reps, $k, $v);
return $narr;
}