func LoadNamespace(namespace string) (*C.GITypelib, error) {
ns := GlibString(namespace)
defer FreeString(ns)
var err *C.GError
typelib := C.g_irepository_require(nil, ns, nil, 0, &err)
if err != nil {
return nil, NewGError(err)
}
return typelib, nil
}
func Gen(lib, outDir string, includes []string) {
generator := &Generator{
Lib: lib,
OutDir: outDir,
}
filePrefix := strings.ToLower(lib) + "_"
// open girepository
repo := C.g_irepository_get_default()
var gerr *C.GError
C.g_irepository_require(repo, toGStr(lib), nil, 0, &gerr)
if gerr != nil {
log.Fatal(fromGStr(gerr.message))
}
generator.CPrefix = fromGStr(C.g_irepository_get_c_prefix(repo, toGStr(lib)))
// functions output file
funcsWriter := new(bytes.Buffer)
generator.FuncsWriter = funcsWriter
w(funcsWriter, "package %s\n", strings.ToLower(lib))
for _, include := range includes {
w(funcsWriter, "//#include <%s>\n", include)
}
w(funcsWriter, "import \"C\"\n")
defer func() {
out, err := os.Create(filepath.Join(outDir, filePrefix+"functions.go"))
if err != nil {
log.Fatal(err)
}
src, err := format.Source(funcsWriter.Bytes())
if err != nil {
p("%s\n", funcsWriter.Bytes())
out.Write(funcsWriter.Bytes())
out.Close()
log.Fatal(err)
}
out.Write(src)
out.Close()
}()
// iterate infos
nInfos := C.g_irepository_get_n_infos(repo, toGStr(lib))
for i := C.gint(0); i < nInfos; i++ {
baseInfo := C.g_irepository_get_info(repo, toGStr(lib), i)
t := C.g_base_info_get_type(baseInfo)
switch t {
// function
case C.GI_INFO_TYPE_FUNCTION:
info := asFunctionInfo(baseInfo)
generator.GenFunction(info)
}
}
}
// g_irepository_require
func (r *Repository) Require(namespace, version string, flags RepositoryLoadFlags) (*Typelib, error) {
var err *C.GError
gnamespace := _GoStringToGString(namespace)
gversion := _GoStringToGString(version)
tl := C.g_irepository_require(r.c, gnamespace, gversion, C.GIRepositoryLoadFlags(flags), &err)
C.free_gstring(gversion)
C.free_gstring(gnamespace)
if err != nil {
return nil, _GErrorToOSError(err)
}
var tlwrap *Typelib
if tl != nil {
tlwrap = &Typelib{tl}
}
return tlwrap, nil
}
func dump() {
repo := C.g_irepository_get_default()
lib := os.Args[1]
var err *C.GError
C.g_irepository_require(repo, toGStr(lib), nil, 0, &err)
if err != nil {
log.Fatal(fromGStr(err.message))
}
nInfos := C.g_irepository_get_n_infos(repo, toGStr(lib))
var nObjects int
for i := C.gint(0); i < nInfos; i++ {
baseInfo := C.g_irepository_get_info(repo, toGStr(lib), i)
if C.g_base_info_is_deprecated(baseInfo) == C.gboolean(1) { // skip deprecated
continue
}
name := fromGStr(C.g_base_info_get_name(baseInfo)) // name
p("=> %s\n", name)
var iter C.GIAttributeIter
var key, value *C.char
for C.g_base_info_iterate_attributes(baseInfo, &iter, &key, &value) == C.gboolean(1) {
p("Attr %s = %s\n", C.GoString(key), C.GoString(value))
}
t := C.g_base_info_get_type(baseInfo) // type
p("%s\n", fromGStr(C.g_info_type_to_string(t)))
switch t { // dump
case C.GI_INFO_TYPE_OBJECT:
info := (*C.GIObjectInfo)(unsafe.Pointer(baseInfo))
p("Object\n")
DumpObjectInfo(info)
nObjects++
case C.GI_INFO_TYPE_STRUCT:
p("Struct\n")
info := (*C.GIStructInfo)(unsafe.Pointer(baseInfo))
DumpStructInfo(info)
case C.GI_INFO_TYPE_FLAGS:
p("Flags\n")
info := (*C.GIEnumInfo)(unsafe.Pointer(baseInfo))
DumpEnumInfo(info)
case C.GI_INFO_TYPE_CALLBACK:
p("Callback\n")
info := (*C.GIFunctionInfo)(unsafe.Pointer(baseInfo))
DumpFunctionInfo(info)
case C.GI_INFO_TYPE_INTERFACE:
p("Interface\n")
info := (*C.GIInterfaceInfo)(unsafe.Pointer(baseInfo))
DumpInterfaceInfo(info)
case C.GI_INFO_TYPE_UNION:
p("Union\n")
info := (*C.GIUnionInfo)(unsafe.Pointer(baseInfo))
DumpUnionInfo(info)
case C.GI_INFO_TYPE_ENUM:
p("Enum\n")
info := (*C.GIEnumInfo)(unsafe.Pointer(baseInfo))
DumpEnumInfo(info)
case C.GI_INFO_TYPE_FUNCTION:
p("Function\n")
info := (*C.GIFunctionInfo)(unsafe.Pointer(baseInfo))
DumpFunctionInfo(info)
case C.GI_INFO_TYPE_CONSTANT:
p("Constant\n")
info := (*C.GIConstantInfo)(unsafe.Pointer(baseInfo))
DumpConstantInfo(info)
default:
panic(fmt.Sprintf("unknown type %d", t))
}
C.g_base_info_unref(baseInfo)
p(strings.Repeat("-", 64))
p("\n")
}
p("%d\n", nInfos)
p("%d object types\n", nObjects)
}