Put FieldBinder into its own file
This commit is contained in:
parent
f41cd6aa46
commit
bce8b927f7
169
components/input/field-binder.go
Normal file
169
components/input/field-binder.go
Normal file
@ -0,0 +1,169 @@
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package input
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import (
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"fmt"
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"strconv"
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)
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// FieldBinder is an interface that everything that every type that wants to bind to an input field must implement.
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type FieldBinder interface {
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String() string // String returns the bound variable formatted in the users/current locale.
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SetString(string) error // SetString parses the string value in the users/current locale and sets the value of the bound variable.
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HTMLInputType() string // HTMLInputType returns the to be used type parameter for the HTML input element.
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}
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// FieldBindAny implements the FieldBinder interface for all basic types.
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type FieldBindAny struct{ Value any }
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func (f FieldBindAny) String() string {
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switch v := f.Value.(type) {
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case *string:
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return *v
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case *int:
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return strconv.FormatInt(int64(*v), 10)
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case *int8:
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return strconv.FormatInt(int64(*v), 10)
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case *int16:
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return strconv.FormatInt(int64(*v), 10)
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case *int32:
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return strconv.FormatInt(int64(*v), 10)
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case *int64:
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return strconv.FormatInt(int64(*v), 10)
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case *uint:
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return strconv.FormatUint(uint64(*v), 10)
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case *uint8:
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return strconv.FormatUint(uint64(*v), 10)
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case *uint16:
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return strconv.FormatUint(uint64(*v), 10)
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case *uint32:
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return strconv.FormatUint(uint64(*v), 10)
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case *uint64:
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return strconv.FormatUint(uint64(*v), 10)
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case *float32:
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return strconv.FormatFloat(float64(*v), 'f', -1, 32) // TODO: Format number in current user's locale
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case *float64:
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return strconv.FormatFloat(float64(*v), 'f', -1, 64)
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}
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return ""
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}
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func (f FieldBindAny) SetString(value string) error {
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switch v := f.Value.(type) {
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case *string:
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*v = value
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case *int:
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val, err := strconv.ParseInt(value, 10, 0)
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if err != nil {
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return err
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}
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*v = int(val)
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case *int8:
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val, err := strconv.ParseInt(value, 10, 8)
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if err != nil {
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return err
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}
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*v = int8(val)
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case *int16:
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val, err := strconv.ParseInt(value, 10, 16)
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if err != nil {
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return err
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}
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*v = int16(val)
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case *int32:
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val, err := strconv.ParseInt(value, 10, 32)
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if err != nil {
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return err
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}
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*v = int32(val)
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case *int64:
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val, err := strconv.ParseInt(value, 10, 64)
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if err != nil {
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return err
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}
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*v = int64(val)
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case *uint:
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val, err := strconv.ParseUint(value, 10, 0)
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if err != nil {
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return err
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}
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*v = uint(val)
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case *uint8:
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val, err := strconv.ParseUint(value, 10, 8)
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if err != nil {
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return err
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}
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*v = uint8(val)
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case *uint16:
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val, err := strconv.ParseUint(value, 10, 16)
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if err != nil {
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return err
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}
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*v = uint16(val)
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case *uint32:
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val, err := strconv.ParseUint(value, 10, 32)
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if err != nil {
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return err
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}
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*v = uint32(val)
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case *uint64:
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val, err := strconv.ParseUint(value, 10, 64)
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if err != nil {
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return err
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}
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*v = uint64(val)
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case *float32:
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val, err := strconv.ParseFloat(value, 32)
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if err != nil {
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return err
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}
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*v = float32(val)
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case *float64:
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val, err := strconv.ParseFloat(value, 64)
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if err != nil {
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return err
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}
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*v = float64(val)
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default:
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return fmt.Errorf("bound type %T is not supported", f.Value)
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}
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return nil
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}
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func (f FieldBindAny) HTMLInputType() string {
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switch f.Value.(type) {
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case *string:
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return "text"
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case *int, *int8, *int16, *int32, *int64, *uint, *uint8, *uint16, *uint32, *uint64:
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return "number"
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case *float32, *float64:
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return "number"
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}
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return "text"
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}
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// FieldBindPassword implements the FieldBinder interface for strings.
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type FieldBindPassword struct{ Value *string }
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func (f FieldBindPassword) String() string {
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if f.Value != nil {
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return *f.Value
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}
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return ""
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}
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func (f FieldBindPassword) SetString(value string) error {
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if f.Value != nil {
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*f.Value = value
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return nil
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}
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return fmt.Errorf("no value is bound to this component")
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}
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func (f FieldBindPassword) HTMLInputType() string {
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return "password"
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}
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@ -1,13 +1,10 @@
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package input
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import (
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"fmt"
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"strconv"
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"github.com/vugu/vugu"
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)
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// Field is a Any text or number based input component.
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// Field is a text or number based input component.
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// The HTML input type is determined by the bound data type.
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type Field struct {
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AttrMap vugu.AttrMap
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@ -42,165 +39,3 @@ func (c *Field) handleChange(event vugu.DOMEvent) {
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c.err = c.Bind.SetString(val)
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}
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}
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type FieldBinder interface {
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String() string // String returns the bound variable formatted in the users/current locale.
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SetString(string) error // SetString parses the string value in the users/current locale and sets the value of the bound variable.
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HTMLInputType() string // HTMLInputType returns the to be used type parameter for the HTML input element.
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}
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// FieldBindAny implements the FieldBinder interface for all basic types.
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type FieldBindAny struct{ Value any }
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func (f FieldBindAny) String() string {
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switch v := f.Value.(type) {
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case *string:
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return *v
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case *int:
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return strconv.FormatInt(int64(*v), 10)
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case *int8:
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return strconv.FormatInt(int64(*v), 10)
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case *int16:
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return strconv.FormatInt(int64(*v), 10)
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case *int32:
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return strconv.FormatInt(int64(*v), 10)
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case *int64:
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return strconv.FormatInt(int64(*v), 10)
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case *uint:
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return strconv.FormatUint(uint64(*v), 10)
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case *uint8:
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return strconv.FormatUint(uint64(*v), 10)
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case *uint16:
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return strconv.FormatUint(uint64(*v), 10)
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case *uint32:
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return strconv.FormatUint(uint64(*v), 10)
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case *uint64:
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return strconv.FormatUint(uint64(*v), 10)
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case *float32:
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return strconv.FormatFloat(float64(*v), 'f', -1, 32) // TODO: Format number in current user's locale
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case *float64:
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return strconv.FormatFloat(float64(*v), 'f', -1, 64)
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}
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return ""
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}
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func (f FieldBindAny) SetString(value string) error {
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switch v := f.Value.(type) {
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case *string:
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*v = value
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case *int:
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val, err := strconv.ParseInt(value, 10, 0)
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if err != nil {
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return err
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}
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*v = int(val)
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case *int8:
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val, err := strconv.ParseInt(value, 10, 8)
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if err != nil {
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return err
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}
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*v = int8(val)
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case *int16:
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val, err := strconv.ParseInt(value, 10, 16)
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if err != nil {
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return err
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}
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*v = int16(val)
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case *int32:
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val, err := strconv.ParseInt(value, 10, 32)
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if err != nil {
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return err
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}
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*v = int32(val)
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case *int64:
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val, err := strconv.ParseInt(value, 10, 64)
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if err != nil {
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return err
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}
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*v = int64(val)
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case *uint:
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val, err := strconv.ParseUint(value, 10, 0)
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if err != nil {
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return err
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}
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*v = uint(val)
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case *uint8:
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val, err := strconv.ParseUint(value, 10, 8)
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if err != nil {
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return err
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}
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*v = uint8(val)
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case *uint16:
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val, err := strconv.ParseUint(value, 10, 16)
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if err != nil {
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return err
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}
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*v = uint16(val)
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case *uint32:
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val, err := strconv.ParseUint(value, 10, 32)
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if err != nil {
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return err
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}
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*v = uint32(val)
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case *uint64:
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val, err := strconv.ParseUint(value, 10, 64)
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if err != nil {
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return err
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}
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*v = uint64(val)
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case *float32:
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val, err := strconv.ParseFloat(value, 32)
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if err != nil {
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return err
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}
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*v = float32(val)
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case *float64:
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val, err := strconv.ParseFloat(value, 64)
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if err != nil {
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return err
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}
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*v = float64(val)
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default:
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return fmt.Errorf("bound type %T is not supported", f.Value)
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}
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return nil
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}
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func (f FieldBindAny) HTMLInputType() string {
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switch f.Value.(type) {
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case *string:
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return "text"
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case *int, *int8, *int16, *int32, *int64, *uint, *uint8, *uint16, *uint32, *uint64:
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return "number"
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case *float32, *float64:
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return "number"
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}
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return "text"
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}
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// FieldBindPassword implements the FieldBinder interface for strings.
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type FieldBindPassword struct{ Value *string }
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func (f FieldBindPassword) String() string {
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if f.Value != nil {
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return *f.Value
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}
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return ""
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}
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func (f FieldBindPassword) SetString(value string) error {
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if f.Value != nil {
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*f.Value = value
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return nil
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}
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return fmt.Errorf("no value is bound to this component")
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}
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func (f FieldBindPassword) HTMLInputType() string {
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return "password"
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}
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