/
cqstring.go
70 lines (62 loc) · 1.2 KB
/
cqstring.go
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package message
// ParseMessageFromString parses msg as type string to a sort of MessageSegment.
// msg is the value of key "message" of the data unmarshalled from the
// API response JSON.
//
// CQ字符串转为消息
func ParseMessageFromString(raw string) (m Message) {
var seg MessageSegment
var k string
m = Message{}
for raw != "" {
i := 0
for i < len(raw) && !(raw[i] == '[' && i+4 < len(raw) && raw[i:i+4] == "[CQ:") {
i++
}
if i > 0 {
m = append(m, Text(UnescapeCQText(raw[:i])))
}
if i+4 > len(raw) {
return
}
raw = raw[i+4:] // skip "[CQ:"
i = 0
for i < len(raw) && raw[i] != ',' && raw[i] != ']' {
i++
}
if i+1 > len(raw) {
return
}
seg.Type = raw[:i]
seg.Data = make(map[string]string)
raw = raw[i:]
i = 0
for {
if raw[0] == ']' {
m = append(m, seg)
raw = raw[1:]
break
}
raw = raw[1:]
for i < len(raw) && raw[i] != '=' {
i++
}
if i+1 > len(raw) {
return
}
k = raw[:i]
raw = raw[i+1:] // skip "="
i = 0
for i < len(raw) && raw[i] != ',' && raw[i] != ']' {
i++
}
if i+1 > len(raw) {
return
}
seg.Data[k] = UnescapeCQCodeText(raw[:i])
raw = raw[i:]
i = 0
}
}
return m
}