16 static SkString pdf_date(const SkTime::DateTime& dt) {  in pdf_date()
92             SkString(reinterpret_cast<const char*>(&doc), sizeof(UUID)));  in CreatePdfId()
94             SkString(reinterpret_cast<const char*>(&instance), sizeof(UUID)));  in CreatePdfId()
100 static SkString sk_string_printf(const char* format, ...) {  in sk_string_printf()
108         return SkString(buffer, length);  in sk_string_printf()
114     SkString string((size_t)length);  in sk_string_printf()
130         return SkString();  in sk_string_printf()
133         return SkString(buffer, length);  in sk_string_printf()
135     SkString string((size_t)length);  in sk_string_printf()
146 static const SkString get(const SkTArray<SkDocument::Attribute>& info,  in get()
153     return SkString();  in get()
164 static SkString uuid_to_string(const SkPDFMetadata::UUID& uuid) {  in uuid_to_string()
182     return SkString(buffer, 36);  in uuid_to_string()
189     PDFXMLObject(SkString xml) : fXML(std::move(xml)) {}  in PDFXMLObject()
208     const SkString fXML;
212 static int count_xml_escape_size(const SkString& input) {  in count_xml_escape_size()
224 const SkString escape_xml(const SkString& input,  in escape_xml()
236     SkString output(input.size() + extra + beforeLen + afterLen);  in escape_xml()
300     SkString creationDate;  in createXMPObject()
301     SkString modificationDate;  in createXMPObject()
302     SkString metadataDate;  in createXMPObject()
304         SkString tmp;  in createXMPObject()
312         SkString tmp;  in createXMPObject()
321     SkString title =  in createXMPObject()
324     SkString author =  in createXMPObject()
328     SkString subject = escape_xml(get(fInfo, "Subject"),  in createXMPObject()
331     SkString keywords1 =  in createXMPObject()
334     SkString keywords2 = escape_xml(get(fInfo, "Keywords"), "<pdf:Keywords>",  in createXMPObject()
338     SkString creator = escape_xml(get(fInfo, "Creator"), "<xmp:CreatorTool>",  in createXMPObject()
340     SkString documentID = uuid_to_string(doc);  // no need to escape  in createXMPObject()
342     SkString instanceID = uuid_to_string(instance);  in createXMPObject()