protected function resolveIncludeCall(Expressions\MethodCall $expression)
{
assert($expression->getArguments()[0] instanceof Expressions\Scalar);
$filename = $this->basePath . DIRECTORY_SEPARATOR . $expression->getArguments()[0]->getValue();
$filehandle = fopen($filename, "r");
assert(is_resource($filehandle));
// make sure we don't write a new function header + footer
$oldDisableFunctionBoilerPlate = $this->disableFunctionBoilerplate;
$this->disableFunctionBoilerplate = true;
$lexer = new Lexer($filehandle, $filename);
$parser = new Parser($lexer->lex(), $this);
$this->comment('@@START OF TEMPLATE ' . $filename . ' @@');
$parser->parse();
$this->comment('@@END OF TEMPLATE ' . $filename . ' @@');
$this->disableFunctionBoilerplate = $oldDisableFunctionBoilerPlate;
}
protected function expression(Expression $expr)
{
if ($expr instanceof Expressions\Variable) {
if ($expr->getVariableName() === '_parent') {
$contextCounter = max(0, $this->contextCounter - 1);
$context = $contextCounter > 0 ? 'context' . $contextCounter : 'context';
fwrite($this->output, '$' . $context);
return;
} else {
if ($expr->getVariableName() === '_top') {
fwrite($this->output, '$context');
return;
} else {
if ($expr->getVariableName() === '_') {
fwrite($this->output, '$' . $this->currentContext);
return;
} else {
// convert variable dereferences into fetchProperty() calls
$expr = new Expressions\MethodCall('\\Plitz\\Bindings\\Blitz\\TemplateFunctions::fetchProperty', [new Expressions\Variable('_'), new Expressions\Scalar($expr->getVariableName())]);
}
}
}
} else {
if ($expr instanceof Expressions\GetAttribute) {
if ($expr->getAttributeName() === '_parent') {
$depth = $this->resolveParentVariable($expr);
$contextCounter = max(0, $this->contextCounter - $depth);
$context = $contextCounter > 0 ? 'context' . $contextCounter : 'context';
fwrite($this->output, '$' . $context);
return;
} else {
$expr = $this->convertGetAttributeToFetchPropertyCall($expr);
}
} else {
if ($expr instanceof Expressions\MethodCall) {
// TODO: resolve method calls
if ($expr->getMethodName() === 'if') {
fwrite($this->output, '(');
$this->expression($expr->getArguments()[0]);
fwrite($this->output, ' ? ');
$this->expression($expr->getArguments()[1]);
fwrite($this->output, ' : ');
if (count($expr->getArguments()) === 3) {
$this->expression($expr->getArguments()[2]);
} else {
fwrite($this->output, 'null');
}
fwrite($this->output, ')');
return;
} else {
if ($expr->getMethodName() === 'escape') {
$expr = new Expressions\MethodCall('htmlentities', [$expr->getArguments()[0], new Expressions\Scalar(ENT_QUOTES), new Expressions\Scalar(ini_get('default_charset'))]);
} else {
// TODO: support configurable method lookup order
// resolve method call
if (method_exists($this->blitz, $expr->getMethodName())) {
// this is a Blitz call, use $blitz variable
fwrite($this->output, '$blitz->');
} else {
if (function_exists($expr->getMethodName())) {
// this is a regular PHP call, do nothing
} else {
throw new \RuntimeException("Function {$expr->getMethodName()} could not be resolved");
}
}
}
}
}
}
}
parent::expression($expr);
}
