/**
* Parses the comment by looking for the end marker * + }.
*
* @param ezcTemplateCursor $cursor
* @return bool
*/
protected function parseCurrent(ezcTemplateCursor $cursor)
{
$cursor->advance();
if ($cursor->atEnd()) {
return false;
}
$checkInlineComment = false;
// Check for a slash after the asterix, this typically means a typo for an inline comment
// Better give an error for this to warn the user.
if ($cursor->current() == '/') {
$checkInlineComment = true;
}
$endPosition = $cursor->findPosition('*}');
if ($endPosition === false) {
return false;
}
// If we found an end for an inline comment we need to check if there
// is an end for an inline comment
if ($checkInlineComment) {
$commentCursor = $cursor->cursorAt($cursor->position, $endPosition);
$commentCursor->advance();
$inlineCommentPosition = $commentCursor->findPosition('*/');
// We found the end of the inline comment, this is most likely a user error
if ($inlineCommentPosition !== false) {
$cursor->gotoPosition($inlineCommentPosition);
return false;
}
}
// reached end of comment
$cursor->gotoPosition($endPosition + 2);
$commentBlock = new ezcTemplateDocCommentTstNode($this->parser->source, clone $this->startCursor, clone $cursor);
$commentBlock->commentText = substr($commentBlock->text(), 2, -2);
$this->appendElement($commentBlock);
return true;
}
/**
* Parses the code by looking for start of expression blocks and then
* passing control to the block parser (ezcTemplateBlockSourceToTstParser). The
* text which is not covered by the block parser will be added as
* text elements.
*
* @param ezcTemplateCursor $cursor
* @return bool
*/
protected function parseCurrent(ezcTemplateCursor $cursor)
{
$this->program = new ezcTemplateProgramTstNode($this->parser->source, $this->startCursor, $cursor);
$this->lastBlock = $this->program;
while (!$cursor->atEnd()) {
// Find the first block
$bracePosition = $cursor->findPosition("{", true);
if ($bracePosition === false) {
$cursor->gotoEnd();
// This will cause handleSuccessfulResult() to be called
return true;
}
// Reached a block {...}
$cursor->gotoPosition($bracePosition);
$blockCursor = clone $cursor;
$cursor->advance(1);
if ($this->lastCursor->length($blockCursor) > 0) {
$textElement = new ezcTemplateTextBlockTstNode($this->parser->source, clone $this->lastCursor, clone $blockCursor);
$this->handleElements(array($textElement));
unset($textElement);
}
$this->startCursor->copy($blockCursor);
$this->lastCursor->copy($cursor);
if (!$this->parseRequiredType('Block', $this->startCursor, false)) {
return false;
}
$this->startCursor->copy($cursor);
$elements = $this->lastParser->elements;
// Sanity checking to make sure element list does not contain duplicates,
// this avoids having infinite recursions
$count = count($elements);
if ($count > 0) {
$offset = 0;
while ($offset < $count) {
$element = $elements[$offset];
for ($i = $offset + 1; $i < $count; ++$i) {
if ($element === $elements[$i]) {
throw new ezcTemplateInternalException("Received element list with duplicate objects from parser " . get_class($this->lastParser));
}
}
++$offset;
}
}
$this->handleElements($elements);
}
// This will cause handleSuccessfulResult() to be called
return true;
}
/**
* Parses the comment by looking for the end marker * + /.
*
* @param ezcTemplateCursor $cursor
* @return bool
*/
protected function parseCurrent(ezcTemplateCursor $cursor)
{
if (!$cursor->atEnd()) {
$cursor->advance(2);
$tagPos = $cursor->findPosition('*/');
if ($tagPos !== false) {
// reached end of comment
$cursor->gotoPosition($tagPos + 2);
$commentBlock = new ezcTemplateBlockCommentTstNode($this->parser->source, $this->startCursor, clone $cursor);
$commentBlock->commentText = substr($commentBlock->text(), 2, -2);
$this->appendElement($commentBlock);
return true;
}
}
return false;
}
/**
* Parses the literal by using the ezcTemplateLiteralParser class.
*
* @param ezcTemplateCursor $cursor
* @return bool
*/
protected function parseCurrent(ezcTemplateCursor $cursor)
{
// $cursor will be update as the parser continues
$this->block = new ezcTemplateLiteralBlockTstNode($this->parser->source, clone $this->startCursor, $cursor);
// skip whitespace and comments
if (!$this->findNextElement()) {
return false;
}
$hasClosingMarker = $cursor->current() == '/';
if ($hasClosingMarker) {
$closingCursor = clone $cursor;
$cursor->advance();
$this->findNextElement();
}
$matches = $cursor->pregMatchComplete("#^(literal)(?:[^a-zA-Z0-9_])#");
if ($matches === false) {
return false;
}
$cursor->advance(strlen($matches[1][0]));
// skip whitespace and comments
if (!$this->findNextElement()) {
return false;
}
// Assume end of first {literal} block
if (!$cursor->match("}")) {
throw new ezcTemplateParserException($this->parser->source, $this->startCursor, $cursor, ezcTemplateSourceToTstErrorMessages::MSG_EXPECT_CURLY_BRACKET_CLOSE);
}
if ($hasClosingMarker) {
throw new ezcTemplateParserException($this->parser->source, $this->startCursor, $cursor, "Found closing block {/literal} without an opening block.");
}
$literalTextCursor = clone $cursor;
// Start searching for ending literal block.
while (!$cursor->atEnd()) {
// Find the next block
$tagPos = $cursor->findPosition("{");
if ($tagPos === false) {
return false;
}
$tagCursor = clone $cursor;
$tagCursor->gotoPosition($tagPos - 1);
if ($tagCursor->current() == "\\") {
// This means the tag is escaped and should be treated as text.
$cursor->copy($tagCursor);
$cursor->advance(2);
unset($tagCursor);
continue;
}
// Reached a block {...}
$cursor->gotoPosition($tagPos);
$literalTextEndCursor = clone $cursor;
$cursor->advance();
$continue = false;
while (!$cursor->atEnd()) {
// skip whitespace and comments
if (!$this->findNextElement()) {
return false;
}
// Check for end, if not continue search
if (!$cursor->match('/literal')) {
$continue = true;
break;
}
// skip whitespace and comments
if (!$this->findNextElement()) {
return false;
}
if ($cursor->current() == '}') {
$this->block->textStartCursor = $literalTextCursor;
$this->block->textEndCursor = $literalTextEndCursor;
$cursor->advance();
$this->block->endCursor = clone $cursor;
// Make sure the text is extracted now that the cursor are correct
$this->block->storeText();
$this->appendElement($this->block);
return true;
}
}
if ($continue) {
continue;
}
}
return false;
}
