func newDoc(buf []byte, idattrs []XMLIDOption) (*C.xmlDoc, error) {
ctx := C.xmlCreateMemoryParserCtxt((*C.char)(unsafe.Pointer(&buf[0])),
C.int(len(buf)))
if ctx == nil {
return nil, mustPopError()
}
defer C.xmlFreeParserCtxt(ctx)
C.xmlParseDocument(ctx)
if ctx.wellFormed == C.int(0) {
return nil, mustPopError()
}
doc := ctx.myDoc
if doc == nil {
return nil, mustPopError()
}
for _, idattr := range idattrs {
addIDAttr(C.xmlDocGetRootElement(doc),
idattr.AttributeName, idattr.ElementName, idattr.ElementNamespace)
}
return doc, nil
}
func (p *Parser) ParseString(s string) (*Document, error) {
ctx := C.xmlCreateMemoryParserCtxt(C.CString(s), C.int(len(s)))
if ctx == nil {
return nil, errors.New("error createing parser")
}
defer C.xmlFreeParserCtxt(ctx)
C.xmlCtxtUseOptions(ctx, C.int(p.Options))
C.xmlParseDocument(ctx)
if ctx.wellFormed == C.int(0) {
return nil, errors.New("malformed XML")
}
doc := ctx.myDoc
if doc == nil {
return nil, errors.New("parse failed")
}
return wrapDocument(doc), nil
}