stubbed out

pwgenerator/funcs_genopts.go

@@ -0,0 +1,99 @@
+package pwgenerator
+
+import (
+	"strings"
+)
+
+// Generate generates a list of passwords for a GenOpts.
+func (o *GenOpts) Generate() (passwords []string, err error) {
+
+	// TODO
+
+	return
+}
+
+// Chars returns the list of evaluated characters that would be used in a GenOpts.
+func (o *GenOpts) Chars() (chars CharSet) {
+
+	chars = make(CharSet, 0)
+
+	if o.explicitCharset != nil && len(o.explicitCharset) != 0 {
+		chars = o.explicitCharset
+		return
+	}
+
+	if o.Alpha {
+		chars = append(chars, alpha...)
+	}
+	if o.Numeric {
+		chars = append(chars, numeric...)
+	}
+	if o.Symbols {
+		chars = append(chars, symbols...)
+	}
+	if o.ExtendedSymbols {
+		chars = append(chars, extendedSymbols...)
+	}
+
+	return
+}
+
+/*
+	SetExplicitCharset sets a GenOpts' charset to an explicit selection. It is deduplicated before being used unless inclDupes is true.
+	(Duplicate runes can be used to increase the likelihood of specific characters.)
+
+	Note that if an explicit charset is defined, the following opts will have NO effect:
+
+			Alpha
+			Numeric
+			Symbols
+			ExtendedSymbols
+			CountUpper
+			CountLower
+			CountSymbols
+			CountExtended
+			DisabledChars
+
+	To have these fields be used again, call GenOpts.UnsetExplicitCharset.
+
+	chars can be a CharSet, []rune, []byte, []string, or string
+*/
+func (o *GenOpts) SetExplicitCharset(chars interface{}, inclDupes bool) (err error) {
+
+	var charset CharSet
+
+	switch t := chars.(type) {
+	case []rune:
+		charset = CharSet(string(t))
+	case []byte:
+		charset = CharSet(string(t))
+	case []string:
+		s := strings.Join(t, "")
+		charset = CharSet(s)
+	case string:
+		charset = CharSet(t)
+	default:
+		err = ErrBadType
+		return
+	}
+
+	if !inclDupes {
+		sortDedupe(&charset)
+	}
+
+	o.explicitCharset = charset
+
+	return
+}
+
+/*
+	UnsetExplicitCharset removes the explicit charset used for generation and instead uses the fields specified in the actual GenOpts.
+
+	See GenOpts.SetExplicitCharset for more details.
+*/
+func (o *GenOpts) UnsetExplicitCharset() {
+
+	o.explicitCharset = nil
+
+	return
+}