// Load loads a new component with the provided location and with the
// content read from r. The location informs the resource name for
// logged messages, and its path is used to locate any other resources
// referenced by the QML content.
//
// Once a component is loaded, component instances may be created from
// the resulting object via its Create and CreateWindow methods.
func (e *Engine) Load(location string, r io.Reader) (Object, error) {
var cdata *C.char
var cdatalen C.int
qrc := strings.HasPrefix(location, "qrc:")
if qrc {
if r != nil {
return nil, fmt.Errorf("cannot load qrc resource while providing data: %s", location)
}
} else {
data, err := ioutil.ReadAll(r)
if err != nil {
return nil, err
}
if colon, slash := strings.Index(location, ":"), strings.Index(location, "/"); colon == -1 || slash <= colon {
if filepath.IsAbs(location) {
location = "file:///" + filepath.ToSlash(location)
} else {
dir, err := os.Getwd()
if err != nil {
return nil, fmt.Errorf("cannot obtain absolute path: %v", err)
}
location = "file:///" + filepath.ToSlash(filepath.Join(dir, location))
}
}
// Workaround issue #84 (QTBUG-41193) by not refering to an existent file.
if s := strings.TrimPrefix(location, "file:///"); s != location {
if _, err := os.Stat(filepath.FromSlash(s)); err == nil {
location = location + "."
}
}
cdata, cdatalen = unsafeBytesData(data)
}
var err error
cloc, cloclen := unsafeStringData(location)
comp := &Common{engine: e}
RunMain(func() {
// TODO The component's parent should probably be the engine.
comp.addr = C.newComponent(e.addr, nilPtr)
if qrc {
C.componentLoadURL(comp.addr, cloc, cloclen)
} else {
C.componentSetData(comp.addr, cdata, cdatalen, cloc, cloclen)
}
message := C.componentErrorString(comp.addr)
if message != nilCharPtr {
err = errors.New(strings.TrimRight(C.GoString(message), "\n"))
C.free(unsafe.Pointer(message))
}
})
if err != nil {
return nil, err
}
return comp, nil
}
// Load loads a new component with the provided location and with the
// content read from r. The location informs the resource name for
// logged messages, and its path is used to locate any other resources
// referenced by the QML content.
//
// Once a component is loaded, component instances may be created from
// the resulting object via its Create and CreateWindow methods.
func (e *Engine) Load(location string, r io.Reader) (Object, error) {
data, err := ioutil.ReadAll(r)
if err != nil {
return nil, err
}
if colon, slash := strings.Index(location, ":"), strings.Index(location, "/"); colon == -1 || slash <= colon {
//println("location:", location)
//if !filepath.IsAbs(location) {
// dir, err := os.Getwd()
// if err != nil {
// return nil, fmt.Errorf("cannot obtain absolute path: %v", err)
// }
// location = filepath.Join(dir, location)
//}
//cpath, cpathLen := unsafeStringData(location)
//curl := C.urlFromLocalFile(cpath, cpathLen)
//if curl == nilCharPtr {
// return nil, fmt.Errorf("cannot parse local path: %q", location)
//}
//url := C.GoString(curl)
//C.free(unsafe.Pointer(curl))
//println("location:", url)
if filepath.IsAbs(location) {
location = "file://" + filepath.ToSlash(location)
} else {
dir, err := os.Getwd()
if err != nil {
return nil, fmt.Errorf("cannot obtain absolute path: %v", err)
}
location = "file://" + filepath.ToSlash(filepath.Join(dir, location))
}
}
cdata, cdatalen := unsafeBytesData(data)
cloc, cloclen := unsafeStringData(location)
comp := &Common{engine: e}
gui(func() {
// TODO The component's parent should probably be the engine.
comp.addr = C.newComponent(e.addr, nilPtr)
C.componentSetData(comp.addr, cdata, cdatalen, cloc, cloclen)
message := C.componentErrorString(comp.addr)
if message != nilCharPtr {
err = errors.New(strings.TrimRight(C.GoString(message), "\n"))
C.free(unsafe.Pointer(message))
}
})
if err != nil {
return nil, err
}
return comp, nil
}
// Load loads a new component with the provided location and with the
// content read from r. The location informs the resource name for
// logged messages, and its path is used to locate any other resources
// referenced by the QML content.
//
// Once a component is loaded, component instances may be created from
// the resulting object via its Create and CreateWindow methods.
func (e *Engine) Load(location string, r io.Reader) (*Object, error) {
data, err := ioutil.ReadAll(r)
if err != nil {
return nil, err
}
if colon, slash := strings.Index(location, ":"), strings.Index(location, "/"); colon == -1 || slash <= colon {
// TODO Better testing for this.
if filepath.IsAbs(location) {
location = "file:" + filepath.ToSlash(location)
} else {
dir, err := os.Getwd()
if err != nil {
return nil, fmt.Errorf("cannot obtain absolute path: %v", err)
}
location = "file:" + filepath.ToSlash(filepath.Join(dir, location))
}
}
cdata, cdatalen := unsafeBytesData(data)
cloc, cloclen := unsafeStringData(location)
comp := &Object{engine: e}
gui(func() {
// TODO The component's parent should probably be the engine.
comp.addr = C.newComponent(e.addr, nilPtr)
C.componentSetData(comp.addr, cdata, cdatalen, cloc, cloclen)
message := C.componentErrorString(comp.addr)
if message != nilCharPtr {
err = errors.New(strings.TrimRight(C.GoString(message), "\n"))
C.free(unsafe.Pointer(message))
}
})
if err != nil {
return nil, err
}
return comp, nil
}