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7baf386ede
* Move from gcfg to toml configuration because gcfg was too restrictive * Implemented gateway which has support multiple in and out bridges. * Allow for bridging the same bridges, which means eg you can now bridge between multiple mattermosts. * Support multiple gateways
122 lines
3.1 KiB
Go
122 lines
3.1 KiB
Go
package toml
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import "strings"
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// MetaData allows access to meta information about TOML data that may not
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// be inferrable via reflection. In particular, whether a key has been defined
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// and the TOML type of a key.
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type MetaData struct {
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mapping map[string]interface{}
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types map[string]tomlType
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keys []Key
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decoded map[string]bool
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context Key // Used only during decoding.
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}
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// IsDefined returns true if the key given exists in the TOML data. The key
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// should be specified hierarchially. e.g.,
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//
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// // access the TOML key 'a.b.c'
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// IsDefined("a", "b", "c")
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//
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// IsDefined will return false if an empty key given. Keys are case sensitive.
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func (md *MetaData) IsDefined(key ...string) bool {
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if len(key) == 0 {
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return false
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}
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var hash map[string]interface{}
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var ok bool
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var hashOrVal interface{} = md.mapping
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for _, k := range key {
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if hash, ok = hashOrVal.(map[string]interface{}); !ok {
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return false
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}
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if hashOrVal, ok = hash[k]; !ok {
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return false
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}
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}
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return true
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}
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// Type returns a string representation of the type of the key specified.
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//
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// Type will return the empty string if given an empty key or a key that
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// does not exist. Keys are case sensitive.
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func (md *MetaData) Type(key ...string) string {
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fullkey := strings.Join(key, ".")
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if typ, ok := md.types[fullkey]; ok {
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return typ.typeString()
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}
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return ""
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}
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// Key is the type of any TOML key, including key groups. Use (MetaData).Keys
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// to get values of this type.
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type Key []string
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func (k Key) String() string {
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return strings.Join(k, ".")
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}
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func (k Key) maybeQuotedAll() string {
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var ss []string
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for i := range k {
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ss = append(ss, k.maybeQuoted(i))
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}
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return strings.Join(ss, ".")
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}
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func (k Key) maybeQuoted(i int) string {
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quote := false
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for _, c := range k[i] {
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if !isBareKeyChar(c) {
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quote = true
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break
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}
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}
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if quote {
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return "\"" + strings.Replace(k[i], "\"", "\\\"", -1) + "\""
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}
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return k[i]
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}
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func (k Key) add(piece string) Key {
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newKey := make(Key, len(k)+1)
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copy(newKey, k)
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newKey[len(k)] = piece
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return newKey
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}
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// Keys returns a slice of every key in the TOML data, including key groups.
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// Each key is itself a slice, where the first element is the top of the
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// hierarchy and the last is the most specific.
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//
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// The list will have the same order as the keys appeared in the TOML data.
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//
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// All keys returned are non-empty.
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func (md *MetaData) Keys() []Key {
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return md.keys
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}
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// Undecoded returns all keys that have not been decoded in the order in which
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// they appear in the original TOML document.
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//
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// This includes keys that haven't been decoded because of a Primitive value.
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// Once the Primitive value is decoded, the keys will be considered decoded.
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//
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// Also note that decoding into an empty interface will result in no decoding,
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// and so no keys will be considered decoded.
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//
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// In this sense, the Undecoded keys correspond to keys in the TOML document
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// that do not have a concrete type in your representation.
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func (md *MetaData) Undecoded() []Key {
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undecoded := make([]Key, 0, len(md.keys))
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for _, key := range md.keys {
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if !md.decoded[key.String()] {
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undecoded = append(undecoded, key)
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}
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}
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return undecoded
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}
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