forked from sendgrid/go-gmime
/
internet_address.go
298 lines (248 loc) · 7.98 KB
/
internet_address.go
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package gmime
/*
#cgo pkg-config: gmime-2.6
#include <stdlib.h>
#include <gmime/gmime.h>
// We do this to determine the type of address returned since they are
// contained in macros on internet-address.h and CGO can't access macros.
static gboolean is_internet_address_mailbox(GTypeInstance *obj) {
return INTERNET_ADDRESS_IS_MAILBOX(obj);
}
static gboolean is_internet_address_group(GTypeInstance *obj) {
return INTERNET_ADDRESS_IS_GROUP(obj);
}
*/
import "C"
import (
"unsafe"
)
// XXX The underlying type-unsafe C implementation is modeled here with a type-safe
// Object-Oriented design, which is a modified form of the Composite Design Pattern.
// Specifically, Address is the Component, Mailbox is the Leaf, and Group & AddressList
// co-operate to act as the Composite. SEE TestCompositeAddress.
type Address interface {
Janitor
Name() string
SetName(string)
}
type Mailbox interface {
Address
Email() string
SetEmail(string)
}
type Group interface {
Address
Members() AddressList
SetMembers(AddressList)
AddMember(Address) int
}
type AddressList interface {
Janitor
GetLength() int
Clear()
Add(Address) int
Prepend(AddressList)
Append(AddressList)
Insert(Address, int)
Remove(Address) bool
RemoveAt(int) bool
Contains(Address) bool
IndexOf(Address) int
GetAddress(int) Address
SetAddress(Address, int)
ToString(bool) string
Walk(callback func(Address))
Slice() []Address
}
type internetAddress struct {
*PointerMixin
}
type rawAddress interface {
Address
rawAddress() *C.InternetAddress
}
type rawInternetAddressList interface {
AddressList
rawList() *C.InternetAddressList
}
func isMailbox(address *C.InternetAddress) bool {
return (address != nil) && gobool(C.is_internet_address_mailbox((*C.GTypeInstance)(unsafe.Pointer(address))))
}
func isGroup(address *C.InternetAddress) bool {
return (address != nil) && gobool(C.is_internet_address_group((*C.GTypeInstance)(unsafe.Pointer(address))))
}
func (a *internetAddress) SetName(name string) {
var cName *C.char = C.CString(name)
C.internet_address_set_name(a.rawAddress(), cName)
C.free(unsafe.Pointer(cName))
}
func (a *internetAddress) Name() string {
name := C.internet_address_get_name(a.rawAddress())
return C.GoString(name)
}
func (a *internetAddress) rawAddress() *C.InternetAddress {
return (*C.InternetAddress)(a.pointer())
}
func CastAddress(ca *C.InternetAddress) Address {
if isMailbox(ca) {
return CastMailboxAddress((*C.InternetAddressMailbox)(unsafe.Pointer(ca)))
} else if isGroup(ca) {
return CastGroupAddress((*C.InternetAddressGroup)(unsafe.Pointer(ca)))
} else {
panic("bad cast: not MailboxAddress nor GroupAddress")
}
}
type MailboxAddress struct {
*internetAddress
}
func CastMailboxAddress(ma *C.InternetAddressMailbox) *MailboxAddress {
ptr := CastPointer(C.gpointer(ma))
ia := &internetAddress{ptr}
return &MailboxAddress{ia}
}
func NewMailboxAddress(name string, email string) *MailboxAddress {
var cName *C.char = C.CString(name)
var cEmail *C.char = C.CString(email)
defer C.free(unsafe.Pointer(cName))
defer C.free(unsafe.Pointer(cEmail))
ai := C.internet_address_mailbox_new(cName, cEmail)
defer unref(C.gpointer(ai))
return CastMailboxAddress((*C.InternetAddressMailbox)(C.gpointer(ai)))
}
func (a *MailboxAddress) SetEmail(email string) {
var cEmail *C.char = C.CString(email)
C.internet_address_mailbox_set_addr((*C.InternetAddressMailbox)(unsafe.Pointer(a.rawAddress())), cEmail)
C.free(unsafe.Pointer(cEmail))
}
func (a *MailboxAddress) Email() string {
email := C.internet_address_mailbox_get_addr((*C.InternetAddressMailbox)(unsafe.Pointer(a.rawAddress())))
return C.GoString(email)
}
type GroupAddress struct {
*internetAddress
}
func CastGroupAddress(ga *C.InternetAddressGroup) *GroupAddress {
ia := &internetAddress{CastPointer(C.gpointer(ga))}
return &GroupAddress{ia}
}
func NewGroupAddress(name string) *GroupAddress {
var cName *C.char = C.CString(name)
defer C.free(unsafe.Pointer(cName))
ga := C.internet_address_group_new(cName)
defer unref(C.gpointer(ga))
return CastGroupAddress((*C.InternetAddressGroup)(unsafe.Pointer(ga)))
}
func (group *GroupAddress) SetMembers(list AddressList) {
ial := list.(rawInternetAddressList)
C.internet_address_group_set_members((*C.InternetAddressGroup)(group.pointer()), ial.rawList())
}
func (group *GroupAddress) Members() AddressList {
cList := C.internet_address_group_get_members((*C.InternetAddressGroup)(group.pointer()))
if cList != nil {
return CastInternetAddressList(cList)
}
return nil
}
func (group *GroupAddress) AddMember(newAddress Address) int {
address := newAddress.(rawAddress)
offset := C.internet_address_group_add_member((*C.InternetAddressGroup)(group.pointer()), address.rawAddress())
return int(offset)
}
type InternetAddressList struct {
*PointerMixin
}
type rawAddressList interface {
AddressList
rawList() *C.InternetAddressList
}
func CastInternetAddressList(cList *C.InternetAddressList) *InternetAddressList {
return &InternetAddressList{CastPointer(C.gpointer(cList))}
}
func NewAddressList() *InternetAddressList {
cList := C.internet_address_list_new()
defer unref(C.gpointer(cList))
return CastInternetAddressList(cList)
}
func (l *InternetAddressList) GetLength() int {
return int(C.internet_address_list_length(l.rawList()))
}
func (l *InternetAddressList) Clear() {
C.internet_address_list_clear(l.rawList())
}
func (l *InternetAddressList) Add(address Address) int {
rawAddress := address.(rawAddress)
offset := C.internet_address_list_add(l.rawList(), rawAddress.rawAddress())
return int(offset)
}
func (l *InternetAddressList) Prepend(newList AddressList) {
C.internet_address_list_prepend(l.rawList(), newList.(rawInternetAddressList).rawList())
}
func (l *InternetAddressList) Append(newList AddressList) {
C.internet_address_list_append(l.rawList(), newList.(rawInternetAddressList).rawList())
}
func (l *InternetAddressList) Insert(address Address, index int) {
C.internet_address_list_insert(l.rawList(), (C.int)(index), address.(rawAddress).rawAddress())
}
func (l *InternetAddressList) Remove(address Address) bool {
ret := C.internet_address_list_remove(l.rawList(), address.(rawAddress).rawAddress())
return gobool(ret)
}
func (l *InternetAddressList) RemoveAt(index int) bool {
ret := C.internet_address_list_remove_at(l.rawList(), (C.int)(index))
return gobool(ret)
}
func (l *InternetAddressList) Contains(address Address) bool {
rawAddress := address.(rawAddress)
ret := C.internet_address_list_contains(l.rawList(), rawAddress.rawAddress())
return gobool(ret)
}
func (l *InternetAddressList) IndexOf(address Address) int {
rawAddress := address.(rawAddress)
ret := C.internet_address_list_index_of(l.rawList(), rawAddress.rawAddress())
return int(ret)
}
func (l *InternetAddressList) GetAddress(index int) Address {
cAddress := C.internet_address_list_get_address(l.rawList(), (C.int)(index))
return CastAddress(cAddress)
}
func (l *InternetAddressList) SetAddress(address Address, index int) {
rawAddress := address.(rawAddress)
C.internet_address_list_set_address(l.rawList(), (C.int)(index), rawAddress.rawAddress())
}
func (l *InternetAddressList) ToString(encode bool) string {
addresses := C.internet_address_list_to_string(l.rawList(), gbool(encode))
if addresses != nil {
addressString := C.GoString(addresses)
defer C.free(unsafe.Pointer(addresses))
return addressString
}
return ""
}
func (l *InternetAddressList) Walk(callback func(Address)) {
m := l.GetLength()
for i := 0; i < m; i++ {
a := l.GetAddress(i)
callback(a)
}
}
func (l *InternetAddressList) Slice() []Address {
m := l.GetLength()
r := make([]Address, m)
for i := 0; i < m; i++ {
r[i] = l.GetAddress(i)
}
return r
}
func (l *InternetAddressList) rawList() *C.InternetAddressList {
return (*C.InternetAddressList)(l.pointer())
}
func ParseString(str string) AddressList {
var cStr *C.char = C.CString(str)
defer C.free(unsafe.Pointer(cStr))
cList := C.internet_address_list_parse_string(cStr)
defer unref(C.gpointer(cList))
if cList != nil {
return CastInternetAddressList(cList)
}
return nil
}