code.ivysaur.me/libnmdc
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better myinfo parsing for zero-length speed strings

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This commit is contained in:
mappu 2016-08-27 15:22:39 +12:00
parent 9b290ebb96
commit a996f1668c
1 changed files with 37 additions and 13 deletions
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50
UserInfo.go
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@ -56,12 +56,19 @@ var rx_myinfo_notag *regexp.Regexp
func init() {
// $ALL <nick> <description>$ $<connection><flag>$<e-mail>$<sharesize>$
rx_myinfo = regexp.MustCompile("(?ms)^\\$ALL ([^ ]+) ([^<]*)<([^,]*)V:([^,]+),M:(.),H:([0-9]+)/([0-9]+)/([0-9]+),S:([0-9]+)>\\$.\\$(.+?)(.)\\$([^$]*)\\$([0-9]*)\\$$")
rx_myinfo_notag = regexp.MustCompile("(?ms)^\\$ALL ([^ ]+) ([^$]*)\\$.\\$(.*)(.)\\$([^$]*)\\$([0-9]*)\\$$") // Fallback for no tag
HEAD := `(?ms)^\$ALL ([^ ]+) `
FOOT := `\$.\$([^$]+)\$([^$]*)\$([0-9]*)\$$`
rx_myinfo = regexp.MustCompile(HEAD + `([^<]*)<(.+?) V:([^,]+),M:(.),H:([0-9]+)/([0-9]+)/([0-9]+),S:([0-9]+)>` + FOOT)
rx_myinfo_notag = regexp.MustCompile(HEAD + `([^$]*)` + FOOT) // Fallback for no tag
/*
sample := "$ALL Betty description<ApexDC++ V:1.4.3,M:P,H:9/0/2,S:1>$ $0.01\x01$xyz@xyz.com$53054999578$"
sample = "$ALL ivysaur80 $P$10A$$0$"
sample := ""
// sample = "$ALL Betty description<ApexDC++ V:1.4.3,M:P,H:9/0/2,S:1>$ $0.01\x01$xyz@xyz.com$53054999578$"
// sample = "$ALL ivysaur80 $P$10A$$0$"
// sample = "$ALL SHINY_IVYSAUR <ncdc V:1.19.1-12-g5561,M:P,H:1/0/0,S:10>$ $0.005Q$$0$"
// sample = "$ALL mappu desccccc<HexChat V:2.12.1,M:P,H:1/0/0,S:0>$ $p$$0$"
u := UserInfo{}
err := u.fromMyINFO(sample)
@ -71,7 +78,7 @@ func init() {
fmt.Printf("%+v\n", u)
}
os.Exit(1)
panic("")
*/
}
@ -93,6 +100,8 @@ func maybeParse(str string, dest *uint64, default_val uint64) {
}
func (this *UserInfo) fromMyINFO(protomsg string) error {
fmt.Printf("PARSE: %s\n", protomsg)
// Normal format (with tag in exact V/M/H/S order)
matches := rx_myinfo.FindStringSubmatch(protomsg)
if matches != nil {
@ -105,10 +114,16 @@ func (this *UserInfo) fromMyINFO(protomsg string) error {
maybeParse(matches[7], &this.HubsRegistered, 0)
maybeParse(matches[8], &this.HubsOperator, 0)
maybeParse(matches[9], &this.Slots, 0)
this.Speed = matches[10]
this.Flag = UserFlag(matches[11][0])
this.Email = NMDCUnescape(matches[12])
maybeParse(matches[13], &this.ShareSize, 0)
if len(matches[10]) > 1 {
this.Speed = matches[10][:len(matches[10])-2]
} else {
this.Speed = ""
}
this.Flag = UserFlag(matches[10][len(matches[10])-1])
this.Email = NMDCUnescape(matches[11])
maybeParse(matches[12], &this.ShareSize, 0)
fmt.Printf("PARSE: Success (full VMHS)\n")
return nil
}
@ -125,14 +140,23 @@ func (this *UserInfo) fromMyINFO(protomsg string) error {
this.HubsRegistered = 0
this.HubsOperator = 0
this.Slots = 0
this.Speed = matches[3]
this.Flag = UserFlag(matches[4][0])
this.Email = NMDCUnescape(matches[5])
maybeParse(matches[6], &this.ShareSize, 0)
if len(matches[3]) > 1 {
this.Speed = matches[3][:len(matches[3])-2]
} else {
this.Speed = ""
}
this.Flag = UserFlag(matches[3][len(matches[3])-1])
this.Email = NMDCUnescape(matches[4])
maybeParse(matches[5], &this.ShareSize, 0)
fmt.Printf("PARSE: Partial/no tag\n")
return nil
}
fmt.Printf("PARSE: malformed\n")
// Couldn't get anything out of it...
return errors.New("Malformed MyINFO")
}