A modification-free API for Minecraft utilizing log parsing
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package commands
import "strings"
const (
ArgumentTypeBasic = iota
ArgumentTypeUserMention
ArgumentTypeChannelMention
)
func parseCommandUsage(prefix string) *CommandHolder {
holder := &CommandHolder{}
holder.Name = prefix
holder.Usage = prefix
if idx := strings.Index(prefix, " "); idx != -1 {
holder.Name = prefix[0:idx]
prefix = prefix[idx+1:]
// Parse out command arguments, example:
// test <arg1> [optional arg2]
// Walk through string, match < and >, [ and ]
holder.Arguments = make(map[string]*CommandArgument)
str := prefix
var name string
var index int
for {
if len(str) == 0 {
break
}
ch := str[0]
if ch == '<' || ch == '[' {
// Scan until closing arrow or end of string
for i := 1; i < len(str); i++ {
if (str[i] == '>' || str[i] == ']') && str[i-1] != '\\' {
name = str[1:i]
if i+2 < len(str) {
str = str[i+2:]
} else {
str = ""
}
required := false
if ch == '<' {
required = true
holder.RequiredArgumentCount++
}
t := ArgumentTypeBasic
if name[0] == '@' {
t = ArgumentTypeUserMention
name = name[1:]
} else if name[0] == '#' {
t = ArgumentTypeChannelMention
name = name[1:]
}
holder.Arguments[name] = &CommandArgument{
Index: index,
Name: name,
Required: required,
Type: t,
}
index++
break
}
}
}
}
holder.ArgumentCount = len(holder.Arguments)
}
return holder
}