diff options
Diffstat (limited to 'xmpp/element_buffer.go')
-rw-r--r-- | xmpp/element_buffer.go | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/xmpp/element_buffer.go b/xmpp/element_buffer.go deleted file mode 100644 index 7792db2..0000000 --- a/xmpp/element_buffer.go +++ /dev/null @@ -1,61 +0,0 @@ -package xmpp - -import ( - "encoding/xml" -) - -// elementBuffer is a struct to store multiple values of type xml.Token until -// they form a complete XML element with opening and closing tag which is -// suitable to be passed to an appropriate handler function. -type elementBuffer struct { - tokens []xml.Token - end xml.EndElement - level int -} - -// newElementBuffer returns a new initialized elementBuffer struct. -func newElementBuffer() elementBuffer { - buf := elementBuffer{} - buf.reset() - return buf -} - -// FIXME this function needs essential error handling for corner cases! -// -// add is able to add a new xml.Token to the buffer. There are some rules -// checked to ensure a correct and consistent elementBuffer which are checked. -// If one of these checks fail the token is not added and a corresponding error -// is returned. -func (e *elementBuffer) add(t xml.Token) error { - switch t.(type) { - case xml.StartElement: - e.level += 1 - case xml.EndElement: - e.level -= 1 - } - e.tokens = append(e.tokens, t) - return nil -} - -// FIXME isComplete would be true if a stream with only one XML comment is -// passed to the buffer. This might be unexpected behaviour. -// -// isComplete returns true if the buffer contains a slice of XML tokens which -// form a complete XML element starting with an xml.StartElement and closing -// with the corresponding xml.EndElement. -func (e *elementBuffer) isComplete() bool { - return (len(e.tokens) > 0 && e.level == 0) -} - -// reset returns the content of the buffer as a slice of XML tokens and resets -// the buffer to the initial state. This function can be used to initialize the -// elementBuffer struct. In that case the return value can be ignored. -func (e *elementBuffer) reset() (buf []xml.Token) { - retval := e.tokens - - e.tokens = make([]xml.Token, 0) - e.end = xml.EndElement{} - e.level = 0 - - return retval -} |