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修正block标签嵌套不能解析的问题，改进对未定义变量输出的判断

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oldrind
2016-06-28 10:14:50 +08:00
parent 9ca4911c44
commit ab1ee18364
2 changed files with 31 additions and 24 deletions
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43
library/think/Template.php
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@@ -556,9 +556,15 @@ class Template
$children[$parent][] = $name;
continue;
}
} elseif (!empty($val['parent'])) {
// 如果子标签没有被继承则用原值
$children[$val['parent']][] = $name;
$blocks[$name] = $val;
}
if (!$val['parent']) {
// 替换模板中的顶级block标签
$extend = str_replace($val['begin'] . $val['content'] . $val['end'], $replace, $extend);
}
// 替换模板中的block标签
$extend = str_replace($val['begin'] . $val['content'] . $val['end'], $replace, $extend);
}
}
$content = $extend;
@@ -735,20 +741,15 @@ class Template
$str = trim(substr($str, $pos + 1));
$this->parseVar($str);
$first = substr($str, 0, 1);
if (isset($array[1])) {
$this->parseVar($array[2]);
$name .= $array[1] . $array[2];
if ('=' == $first) {
// {$varname?='xxx'} $varname为真时才输出xxx
$str = '<?php if(' . $name . ') echo ' . substr($str, 1) . '; ?>';
} else {
$str = '<?php echo (' . $name . ')?' . $str . '; ?>';
}
} elseif (')' == substr($name, -1, 1)) {
if (strpos($name, ')')) {
// $name为对象或是自动识别，或者含有函数
if (isset($array[1])) {
$this->parseVar($array[2]);
$name .= $array[1] . $array[2];
}
switch ($first) {
case '?':
$str = '<?php echo ' . $name . ' ? ' . $name . ' : ' . substr($str, 1) . '; ?>';
$str = '<?php echo (' . $name . ') ? ' . $name . ' : ' . substr($str, 1) . '; ?>';
break;
case '=':
$str = '<?php if(' . $name . ') echo ' . substr($str, 1) . '; ?>';
@@ -757,26 +758,32 @@ class Template
$str = '<?php echo ' . $name . '?' . $str . '; ?>';
}
} else {
if (isset($array[1])) {
$this->parseVar($array[2]);
$_name = ' && ' . $name . $array[1] . $array[2];
} else {
$_name = '';
}
// $name为数组
switch ($first) {
case '?':
// {$varname??'xxx'} $varname有定义则输出$varname,否则输出xxx
$str = '<?php echo isset(' . $name . ') ? ' . $name . ' : ' . substr($str, 1) . '; ?>';
$str = '<?php echo isset(' . $name . ')' . $_name . ' ? ' . $name . ' : ' . substr($str, 1) . '; ?>';
break;
case '=':
// {$varname?='xxx'} $varname为真时才输出xxx
$str = '<?php if(!empty(' . $name . ')) echo ' . substr($str, 1) . '; ?>';
$str = '<?php if(!empty(' . $name . ')' . $_name . ') echo ' . substr($str, 1) . '; ?>';
break;
case ':':
// {$varname?:'xxx'} $varname为真时输出$varname,否则输出xxx
$str = '<?php echo !empty(' . $name . ')?' . $name . $str . '; ?>';
$str = '<?php echo !empty(' . $name . ')' . $_name . '?' . $name . $str . '; ?>';
break;
default:
if (strpos($str, ':')) {
// {$varname ? 'a' : 'b'} $varname为真时输出a,否则输出b
$str = '<?php echo !empty(' . $name . ')?' . $str . '; ?>';
$str = '<?php echo !empty(' . $name . ')' . $_name . '?' . $str . '; ?>';
} else {
$str = '<?php echo ' . $name . '?' . $str . '; ?>';
$str = '<?php echo ' . $_name . '?' . $str . '; ?>';
}
}
}