Latte\PhpWriter::escapePass PHP Method

    public function escapePass(MacroTokens $tokens)
    {
        $tokens = clone $tokens;
        list($contentType, $context) = $this->context;
        switch ($contentType) {
            case Compiler::CONTENT_XHTML:
            case Compiler::CONTENT_HTML:
                switch ($context) {
                    case Compiler::CONTEXT_HTML_TEXT:
                        return $tokens->prepend('LR\\Filters::escapeHtmlText(')->append(')');
                    case Compiler::CONTEXT_HTML_TAG:
                    case Compiler::CONTEXT_HTML_ATTRIBUTE_UNQUOTED_URL:
                        return $tokens->prepend('LR\\Filters::escapeHtmlAttrUnquoted(')->append(')');
                    case Compiler::CONTEXT_HTML_ATTRIBUTE:
                    case Compiler::CONTEXT_HTML_ATTRIBUTE_URL:
                        return $tokens->prepend('LR\\Filters::escapeHtmlAttr(')->append(')');
                    case Compiler::CONTEXT_HTML_ATTRIBUTE_JS:
                        return $tokens->prepend('LR\\Filters::escapeHtmlAttr(LR\\Filters::escapeJs(')->append('))');
                    case Compiler::CONTEXT_HTML_ATTRIBUTE_CSS:
                        return $tokens->prepend('LR\\Filters::escapeHtmlAttr(LR\\Filters::escapeCss(')->append('))');
                    case Compiler::CONTEXT_HTML_COMMENT:
                        return $tokens->prepend('LR\\Filters::escapeHtmlComment(')->append(')');
                    case Compiler::CONTEXT_HTML_BOGUS_COMMENT:
                        return $tokens->prepend('LR\\Filters::escapeHtml(')->append(')');
                    case Compiler::CONTEXT_HTML_JS:
                    case Compiler::CONTEXT_HTML_CSS:
                        return $tokens->prepend('LR\\Filters::escape' . ucfirst($context) . '(')->append(')');
                    default:
                        throw new CompileException("Unknown context {$contentType}, {$context}.");
                }
            case Compiler::CONTENT_XML:
                switch ($context) {
                    case Compiler::CONTEXT_XML_TEXT:
                    case Compiler::CONTEXT_XML_ATTRIBUTE:
                    case Compiler::CONTEXT_XML_BOGUS_COMMENT:
                        return $tokens->prepend('LR\\Filters::escapeXml(')->append(')');
                    case Compiler::CONTEXT_XML_COMMENT:
                        return $tokens->prepend('LR\\Filters::escapeHtmlComment(')->append(')');
                    case Compiler::CONTEXT_XML_TAG:
                        return $tokens->prepend('LR\\Filters::escapeXmlAttrUnquoted(')->append(')');
                    default:
                        throw new CompileException("Unknown context {$contentType}, {$context}.");
                }
            case Compiler::CONTENT_JS:
            case Compiler::CONTENT_CSS:
            case Compiler::CONTENT_ICAL:
                return $tokens->prepend('LR\\Filters::escape' . ucfirst($contentType) . '(')->append(')');
            case Compiler::CONTENT_TEXT:
                return $tokens;
            case NULL:
                return $tokens->prepend('call_user_func($this->filters->escape, ')->append(')');
            default:
                throw new CompileException("Unknown context {$contentType}.");
        }
    }