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BUG: Allow empty else- and else_if-blocks

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This fix allows empty else and else-if blocks to be processed, fixes #1660
This commit is contained in:
s-m 2013-04-10 16:12:51 +02:00
parent ba67d4c5cd
commit 29e6bd513c
3 changed files with 32 additions and 10 deletions
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8
tests/view/SSViewerTest.php
View File

@ -448,6 +448,14 @@ after')
$this->assertEquals('ACD', $this->render('A<% if 4 > 4 %>B<% else %>C<% end_if %>D'));
$this->assertEquals('ACD', $this->render('A<% if 4 < 4 %>B<% else %>C<% end_if %>D'));
// empty else_if and else tags, if this would not be supported,
// the output would stop after A, thereby failing the assert
$this->assertEquals('AD', $this->render('A<% if IsSet %><% else %><% end_if %>D'));
$this->assertEquals('AD',
$this->render('A<% if NotSet %><% else_if IsSet %><% else %><% end_if %>D'));
$this->assertEquals('AD',
$this->render('A<% if NotSet %><% else_if AlsoNotSet %><% else %><% end_if %>D'));
// Bare words with ending space
$this->assertEquals('ABC',
$this->render('A<% if "RawVal" == RawVal %>B<% end_if %>C'));

26
view/SSTemplateParser.php
View File

@ -1535,7 +1535,7 @@ class SSTemplateParser extends Parser {
}
/* ElseIfPart: '<%' < 'else_if' [ :IfArgument > '%>' Template:$TemplateMatcher */
/* ElseIfPart: '<%' < 'else_if' [ :IfArgument > '%>' Template:$TemplateMatcher? */
protected $match_ElseIfPart_typestack = array('ElseIfPart');
function match_ElseIfPart ($stack = array()) {
$matchrule = "ElseIfPart"; $result = $this->construct($matchrule, $matchrule, null);
@ -1557,12 +1557,19 @@ class SSTemplateParser extends Parser {
if (( $subres = $this->whitespace( ) ) !== FALSE) { $result["text"] .= $subres; }
if (( $subres = $this->literal( '%>' ) ) !== FALSE) { $result["text"] .= $subres; }
else { $_240 = FALSE; break; }
$res_239 = $result;
$pos_239 = $this->pos;
$matcher = 'match_'.$this->expression($result, $stack, 'TemplateMatcher'); $key = $matcher; $pos = $this->pos;
$subres = ( $this->packhas( $key, $pos ) ? $this->packread( $key, $pos ) : $this->packwrite( $key, $pos, $this->$matcher(array_merge($stack, array($result))) ) );
if ($subres !== FALSE) {
$this->store( $result, $subres, "Template" );
}
else { $_240 = FALSE; break; }
else {
$result = $res_239;
$this->pos = $pos_239;
unset( $res_239 );
unset( $pos_239 );
}
$_240 = TRUE; break;
}
while(0);
@ -1571,7 +1578,7 @@ class SSTemplateParser extends Parser {
}
/* ElsePart: '<%' < 'else' > '%>' Template:$TemplateMatcher */
/* ElsePart: '<%' < 'else' > '%>' Template:$TemplateMatcher? */
protected $match_ElsePart_typestack = array('ElsePart');
function match_ElsePart ($stack = array()) {
$matchrule = "ElsePart"; $result = $this->construct($matchrule, $matchrule, null);
@ -1585,12 +1592,19 @@ class SSTemplateParser extends Parser {
if (( $subres = $this->whitespace( ) ) !== FALSE) { $result["text"] .= $subres; }
if (( $subres = $this->literal( '%>' ) ) !== FALSE) { $result["text"] .= $subres; }
else { $_248 = FALSE; break; }
$res_247 = $result;
$pos_247 = $this->pos;
$matcher = 'match_'.$this->expression($result, $stack, 'TemplateMatcher'); $key = $matcher; $pos = $this->pos;
$subres = ( $this->packhas( $key, $pos ) ? $this->packread( $key, $pos ) : $this->packwrite( $key, $pos, $this->$matcher(array_merge($stack, array($result))) ) );
if ($subres !== FALSE) {
$this->store( $result, $subres, "Template" );
}
else { $_248 = FALSE; break; }
else {
$result = $res_247;
$this->pos = $pos_247;
unset( $res_247 );
unset( $pos_247 );
}
$_248 = TRUE; break;
}
while(0);
@ -1661,14 +1675,14 @@ class SSTemplateParser extends Parser {
function If_ElseIfPart(&$res, $sub) {
$res['php'] .=
'else if (' . $sub['IfArgument']['php'] . ') { ' . PHP_EOL .
$sub['Template']['php'] . PHP_EOL .
(isset($sub['Template']) ? $sub['Template']['php'] : '') . PHP_EOL .
'}';
}
function If_ElsePart(&$res, $sub) {
$res['php'] .=
'else { ' . PHP_EOL .
$sub['Template']['php'] . PHP_EOL .
(isset($sub['Template']) ? $sub['Template']['php'] : '') . PHP_EOL .
'}';
}

8
view/SSTemplateParser.php.inc
View File

@ -417,8 +417,8 @@ class SSTemplateParser extends Parser {
# argument structure to every other block
IfPart: '<%' < 'if' [ :IfArgument > '%>' Template:$TemplateMatcher?
ElseIfPart: '<%' < 'else_if' [ :IfArgument > '%>' Template:$TemplateMatcher
ElsePart: '<%' < 'else' > '%>' Template:$TemplateMatcher
ElseIfPart: '<%' < 'else_if' [ :IfArgument > '%>' Template:$TemplateMatcher?
ElsePart: '<%' < 'else' > '%>' Template:$TemplateMatcher?
If: IfPart ElseIfPart* ElsePart? '<%' < 'end_if' > '%>'
*/
@ -432,14 +432,14 @@ class SSTemplateParser extends Parser {
function If_ElseIfPart(&$res, $sub) {
$res['php'] .=
'else if (' . $sub['IfArgument']['php'] . ') { ' . PHP_EOL .
$sub['Template']['php'] . PHP_EOL .
(isset($sub['Template']) ? $sub['Template']['php'] : '') . PHP_EOL .
'}';
}
function If_ElsePart(&$res, $sub) {
$res['php'] .=
'else { ' . PHP_EOL .
$sub['Template']['php'] . PHP_EOL .
(isset($sub['Template']) ? $sub['Template']['php'] : '') . PHP_EOL .
'}';
}