Handle<Value> ImageView::New(const Arguments& args)
{
HandleScope scope;
if (!args.IsConstructCall())
return ThrowException(String::New("Cannot call constructor as function, you need to use 'new' keyword"));
if (args[0]->IsExternal())
{
//std::clog << "image view external!\n";
Local<External> ext = Local<External>::Cast(args[0]);
void* ptr = ext->Value();
ImageView* im = static_cast<ImageView*>(ptr);
im->Wrap(args.This());
return args.This();
} else {
return ThrowException(String::New("Cannot create this object from Javascript"));
}
return Undefined();
}
Handle<Value> NodeSandbox::node_new(const Arguments& args)
{
HandleScope scope;
if (args.IsConstructCall()) {
SandboxWrapper* wrap = new SandboxWrapper();
wrap->Wrap(args.This());
wrap->nodeThis = wrap->handle_;
node::MakeCallback (wrap->nodeThis, "_init", 0, nullptr);
wrap->nodeThis->SetAccessor (String::NewSymbol ("debuggerOnCrash"), NodeSandbox::node_getDebugOnCrash, NodeSandbox::node_setDebugOnCrash);
wrap->sbox->addIPC (std::unique_ptr<NodeIPC> (new NodeIPC (STDOUT_FILENO, wrap->handle_)));
wrap->sbox->addIPC (std::unique_ptr<NodeIPC> (new NodeIPC (STDERR_FILENO, wrap->handle_)));
return args.This();
} else {
Local<Value> argv[1] = { args[0] };
return scope.Close(s_constructor->NewInstance(1, argv));
}
}
/* ECMAScript constructor */
Handle<Value> Viewport::New(const Arguments& args)
{
HandleScope scope;
if (!args.IsConstructCall()) {
return ThrowException(Exception::TypeError(
String::New("Use the new operator to create instances of this object."))
);
}
// Creates a new instance object of this type and wraps it.
Viewport* obj = new Viewport();
obj->Wrap(args.This());
/* Initializing sub-objects */
Local<Object> ScrollableObject = Scrollable::New(MX_SCROLLABLE(obj->_actor));
args.Holder()->Set(String::NewSymbol("scroll"), ScrollableObject);
return scope.Close(args.This());
}
Handle<Value> ItemObject::constructor(const Arguments &args)
{
HandleScope handleScope;
// Make sure the constructor is called with the new keyword
if (!args.IsConstructCall())
{
Local<String> message = String::New("Cannot call constructor as a function");
return ThrowException(Exception::SyntaxError(message));
}
// Instantiate a new ScriptTemplate
ItemObject *itemObject = new ItemObject();
Local<Object> itemInstance = itemObject->createInstance();
itemInstance->SetInternalField(0, External::New(itemObject));
return handleScope.Close(itemInstance);
}
Handle<Value> Palette::New(const Arguments& args) {
HandleScope scope;
if (!args.IsConstructCall()) {
return ThrowException(String::New("Cannot call constructor as function, you need to use 'new' keyword"));
}
std::string palette;
rgba_palette::palette_type type = rgba_palette::PALETTE_RGBA;
if (args.Length() >= 1) {
if (args[0]->IsString()) {
String::AsciiValue obj(args[0]->ToString());
palette = std::string(*obj, obj.length());
}
else if (node::Buffer::HasInstance(args[0])) {
Local<Object> obj = args[0]->ToObject();
palette = std::string(node::Buffer::Data(obj), node::Buffer::Length(obj));
}
}
if (args.Length() >= 2) {
if (args[1]->IsString()) {
std::string obj = *String::Utf8Value(args[1]->ToString());
if (obj == "rgb") type = rgba_palette::PALETTE_RGB;
else if (obj == "act") type = rgba_palette::PALETTE_ACT;
}
}
if (!palette.length()) {
return ThrowException(Exception::TypeError(
String::New("First parameter must be a palette string")));
}
Palette* p = new Palette(palette, type);
if (!p->palette()->valid()) {
delete p;
return ThrowException(Exception::TypeError(String::New("Invalid palette length")));
} else {
p->Wrap(args.This());
return args.This();
}
}
Handle<Value> Image::New(const Arguments& args)
{
HandleScope scope;
if (!args.IsConstructCall())
return ThrowException(String::New("Cannot call constructor as function, you need to use 'new' keyword"));
if (args[0]->IsExternal())
{
//std::clog << "external!\n";
Local<External> ext = Local<External>::Cast(args[0]);
void* ptr = ext->Value();
Image* im = static_cast<Image*>(ptr);
im->Wrap(args.This());
return args.This();
}
try
{
if (args.Length() == 2)
{
if (!args[0]->IsNumber() || !args[1]->IsNumber())
return ThrowException(Exception::Error(
String::New("Image 'width' and 'height' must be a integers")));
Image* im = new Image(args[0]->IntegerValue(),args[1]->IntegerValue());
im->Wrap(args.This());
return args.This();
}
else
{
return ThrowException(Exception::Error(
String::New("please provide Image width and height")));
}
}
catch (std::exception const& ex)
{
return ThrowException(Exception::Error(
String::New(ex.what())));
}
return Undefined();
}
Handle<Value> MSOutputFormat::New(const Arguments &args) {
HandleScope scope;
MSOutputFormat *obj;
if (!args.IsConstructCall()) {
return ThrowException(String::New("Cannot call constructor as function, you need to use 'new' keyword"));
}
if (args[0]->IsExternal()) {
Local<External> ext = Local<External>::Cast(args[0]);
void* ptr = ext->Value();
obj = static_cast<MSOutputFormat*>(ptr);
obj->Wrap(args.This());
return args.This();
}
REQ_STR_ARG(0, driver);
REQ_STR_ARG(1, name);
outputFormatObj *format = msCreateDefaultOutputFormat(NULL, *driver, *name);
/* in the case of unsupported formats, msCreateDefaultOutputFormat
should return NULL */
if (!format) {
msSetError(MS_MISCERR, "Unsupported format driver: %s",
"outputFormatObj()", *driver);
return args.This();
}
msInitializeRendererVTable(format);
/* Else, continue */
format->refcount++;
format->inmapfile = MS_TRUE;
obj = new MSOutputFormat(format);
obj->Wrap(args.This());
return args.This();
}
Handle<Value> Tail::New(const Arguments& args) {
HandleScope scope;
assert(args.IsConstructCall());
Tail* tail_instance = new Tail();
tail_instance->Wrap(args.This());
if (!args[0]->IsString())
return ThrowException(Exception::TypeError(String::New("Argument 1 must be a String")));
if (!args[1]->IsString())
tail_instance->separator = "\n";
else {
String::Utf8Value v8separator(args[1]->ToString());
tail_instance->separator = std::string(*v8separator, v8separator.length());
}
String::Utf8Value filename(args[0]);
ifstream fp(*filename, ios::binary);
fp.seekg(0, ios::end);
tail_instance->last_position = fp.tellg();
fp.close();
tail_instance->_event_handle.data = reinterpret_cast<void*>(tail_instance);
tail_instance->Ref();
int r = uv_fs_event_init(uv_default_loop(), &tail_instance->_event_handle, *filename, OnEvent, 0);
if (r == 0){
tail_instance->ontail = false;
} else
node::SetErrno(uv_last_error(uv_default_loop()));
return args.This();
}
// Create a context (new op)
Handle<Value> GNContext::New(const Arguments& args) {
HandleScope scope;
if (args.IsConstructCall()) {
// new obj
GNContext* ctx = new GNContext();
getdns_return_t r = getdns_context_create(&ctx->context_, 1);
if (r != GETDNS_RETURN_GOOD) {
// Failed to create an underlying context
delete ctx;
ThrowException(Exception::Error(String::New("Unable to create GNContext.")));
}
// Apply options if needed
if (args.Length() > 0) {
// could throw an
TryCatch try_catch;
ctx->applyOptions(args[0]);
if (try_catch.HasCaught()) {
// Need to bail
delete ctx;
try_catch.ReThrow();
return scope.Close(Undefined());
}
}
// Attach the context to node
bool attached = GNUtil::attachContextToNode(ctx->context_);
if (!attached) {
// Bail
delete ctx;
ThrowException(Exception::Error(String::New("Unable to attach to Node.")));
return scope.Close(Undefined());
}
ctx->Wrap(args.This());
return args.This();
} else {
ThrowException(Exception::Error(String::New("Must use new.")));
}
return scope.Close(Undefined());
}
Handle<Value> Projection::New(const Arguments& args)
{
HandleScope scope;
if (!args.IsConstructCall())
return ThrowException(String::New("Cannot call constructor as function, you need to use 'new' keyword"));
if (!args.Length() > 0 || !args[0]->IsString()) {
return ThrowException(Exception::TypeError(
String::New("please provide a proj4 intialization string")));
}
try
{
Projection* p = new Projection(TOSTR(args[0]));
p->Wrap(args.This());
return args.This();
}
catch (const mapnik::proj_init_error & ex )
{
return ThrowException(Exception::Error(
String::New(ex.what())));
}
}
Handle<Value> Point::New(const Arguments& args)
{
HandleScope scope;
Point *f;
OGRPoint *geom;
double x = 0, y = 0, z = 0;
if (!args.IsConstructCall()) {
return NODE_THROW("Cannot call constructor as function, you need to use 'new' keyword");
}
if (args[0]->IsExternal()) {
Local<External> ext = Local<External>::Cast(args[0]);
void* ptr = ext->Value();
f = static_cast<Point *>(ptr);
} else {
NODE_ARG_DOUBLE_OPT(0, "x", x);
NODE_ARG_DOUBLE_OPT(1, "y", y);
NODE_ARG_DOUBLE_OPT(2, "z", z);
if (args.Length() == 1) {
return NODE_THROW("Point constructor must be given 0, 2, or 3 arguments");
}
if (args.Length() == 3) {
geom = new OGRPoint(x, y, z);
} else {
geom = new OGRPoint(x, y);
}
f = new Point(geom);
}
f->Wrap(args.This());
return args.This();
}
Handle<Value> ZipFile::New(const Arguments& args) {
HandleScope scope;
if (!args.IsConstructCall())
return ThrowException(String::New("Cannot call constructor as function, you need to use 'new' keyword"));
if (args.Length() != 1 || !args[0]->IsString())
return ThrowException(Exception::TypeError(
String::New("first argument must be a path to a zipfile")));
std::string input_file = TOSTR(args[0]);
struct zip *za;
int err;
char errstr[1024];
if ((za = zip_open(input_file.c_str(), 0, &err)) == NULL) {
zip_error_to_str(errstr, sizeof(errstr), err, errno);
std::stringstream s;
s << "cannot open file: " << input_file << " error: " << errstr << "\n";
return ThrowException(Exception::Error(
String::New(s.str().c_str())));
}
ZipFile* zf = new ZipFile(input_file);
int num = zip_get_num_files(za);
zf->names_.reserve(num);
int i = 0;
for (i = 0; i < num; i++) {
struct zip_stat st;
zip_stat_index(za, i, 0, &st);
zf->names_.push_back(st.name);
}
zf->archive_ = za;
zf->Wrap(args.This());
return args.This();
}
Handle<Value> Resolver::New(const Arguments& args) {
HandleScope scope;
if (!args.IsConstructCall()) {
return ThrowException(Exception::TypeError(
String::New("Use the new operator to create instances of this object."))
);
}
if (args.Length() < 2) {
return ThrowException(Exception::TypeError(
String::New("First argument must be a string, second a boolean")));
}
Resolver* obj = new Resolver();
String::Utf8Value name(args[0]->ToString());
obj->name_ = std::string(*name);
obj->resolver_ = new O3SResolver(obj->name_, false);
if (obj->resolver_) {
while (!obj->resolver_->getDico()) {
std::cout<<"Waiting for dico..."<<std::endl;
Poco::Thread::sleep(1000);
}
obj->Wrap(args.This());
Local<Function> cb = Local<Function>::Cast(args[2]);
const unsigned argc = 1;
Local<Value> argv[argc] = { args.This() };
cb->Call(Context::GetCurrent()->Global(), argc, argv);
return args.This();
}
return Undefined();
}
Handle<Value> FingerprintWrap::NewInstance(const Arguments& args) {
HandleScope scope;
if (!args.IsConstructCall())
return ThrowException(Exception::TypeError(
String::New("Use the new operator to create instances of this object.")));
FingerprintWrap* fp = new FingerprintWrap(
std::string(*String::AsciiValue(args[0]->ToString())).c_str(),
args[1]->Int32Value(),
args[2]->Int32Value(),
args[3]->Int32Value(),
args[4]->Int32Value());
fp->Wrap(args.This());
libtorrent::fingerprint* fp_ = FingerprintWrap::Unwrap(args.This());
args.This()->Set(String::NewSymbol("name"), String::New( fp_->name));
args.This()->Set(String::NewSymbol("major_version"), Integer::New(fp_->major_version));
args.This()->Set(String::NewSymbol("minor_version"), Integer::New(fp_->minor_version));
args.This()->Set(String::NewSymbol("revision_version"), Integer::New(fp_->revision_version));
args.This()->Set(String::NewSymbol("tag_version"), Integer::New(fp_->tag_version));
return scope.Close(args.This());
};
Handle<Value> Nodehun::SpellDictionary::New(const Arguments& args) {
HandleScope scope;
int argl = args.Length();
if (!args.IsConstructCall())
return ThrowException(Exception::TypeError(String::New("Use the new operator to create instances of this object.")));
if(argl < 1 || !args[0]->IsString())
return ThrowException(Exception::TypeError(String::New("First argument must be a string.")));
String::Utf8Value arg0(args[0]->ToString());
Nodehun::SpellDictionary * obj;
if(argl == 1 || argl > 1 && !args[1]->IsString()){
obj = new Nodehun::SpellDictionary(*arg0);
if(!obj->pathsExist)
return ThrowException(Exception::TypeError(String::New("No such dictionary exists.")));
}
else {
String::Utf8Value arg1(args[1]->ToString());
obj = new Nodehun::SpellDictionary(*arg0,*arg1);
if(!obj->pathsExist)
return ThrowException(Exception::TypeError(String::New("There was an error compiling either the affix or dictionary file you passed. Perhaps one or both of them is invalid.")));
}
obj->Wrap(args.This());
return args.This();
}
Handle<Value> Datasource::New(const Arguments& args)
{
HandleScope scope;
if (!args.IsConstructCall())
return ThrowException(String::New("Cannot call constructor as function, you need to use 'new' keyword"));
if (args[0]->IsExternal())
{
//std::clog << "external!\n";
Local<External> ext = Local<External>::Cast(args[0]);
void* ptr = ext->Value();
Datasource* d = static_cast<Datasource*>(ptr);
if (d->datasource_->type() == mapnik::datasource::Raster)
{
args.This()->Set(String::NewSymbol("type"),
String::NewSymbol("raster"),
static_cast<v8::PropertyAttribute>(v8::ReadOnly|v8::DontDelete));
}
else
{
args.This()->Set(String::NewSymbol("type"),
String::NewSymbol("vector"),
static_cast<v8::PropertyAttribute>(v8::ReadOnly|v8::DontDelete));
}
d->Wrap(args.This());
return args.This();
}
if (args.Length() != 1){
return ThrowException(Exception::TypeError(
String::New("accepts only one argument, an object of key:value datasource options")));
}
if (!args[0]->IsObject())
return ThrowException(Exception::TypeError(
String::New("Must provide an object, eg {type: 'shape', file : 'world.shp'}")));
Local<Object> options = args[0]->ToObject();
mapnik::parameters params;
Local<Array> names = options->GetPropertyNames();
unsigned int i = 0;
unsigned int a_length = names->Length();
while (i < a_length) {
Local<Value> name = names->Get(i)->ToString();
Local<Value> value = options->Get(name);
// TODO - don't treat everything as strings
params[TOSTR(name)] = TOSTR(value);
i++;
}
mapnik::datasource_ptr ds;
try
{
#if MAPNIK_VERSION >= 200200
ds = mapnik::datasource_cache::instance().create(params);
#else
ds = mapnik::datasource_cache::instance()->create(params);
#endif
}
catch (std::exception const& ex)
{
return ThrowException(Exception::Error(
String::New(ex.what())));
}
if (ds)
{
if (ds->type() == mapnik::datasource::Raster)
{
args.This()->Set(String::NewSymbol("type"),
String::NewSymbol("raster"),
static_cast<v8::PropertyAttribute>(v8::ReadOnly|v8::DontDelete));
}
else
{
args.This()->Set(String::NewSymbol("type"),
String::NewSymbol("vector"),
static_cast<v8::PropertyAttribute>(v8::ReadOnly|v8::DontDelete));
}
Datasource* d = new Datasource();
d->Wrap(args.This());
d->datasource_ = ds;
return args.This();
}
return Undefined();
}
Handle<Value> JSDatasource::New(const Arguments& args)
{
if (!args.IsConstructCall())
return ThrowException(String::New("Cannot call constructor as function, you need to use 'new' keyword"));
if (args[0]->IsExternal())
{
//std::clog << "external!\n";
Local<External> ext = Local<External>::Cast(args[0]);
void* ptr = ext->Value();
JSDatasource* d = static_cast<JSDatasource*>(ptr);
d->Wrap(args.This());
return args.This();
}
if (!args.Length() == 2){
return ThrowException(Exception::TypeError(
String::New("two argument required: an object of key:value datasource options and a callback function for features")));
}
if (!args[0]->IsObject())
return ThrowException(Exception::TypeError(
String::New("Must provide an object, eg {extent: '-180,-90,180,90'}")));
Local<Object> options = args[0]->ToObject();
// function callback
if (!args[args.Length()-1]->IsFunction())
return ThrowException(Exception::TypeError(
String::New("last argument must be a callback function")));
// TODO - maybe validate in js?
bool bind=true;
if (options->Has(String::New("bind")))
{
Local<Value> bind_opt = options->Get(String::New("bind"));
if (!bind_opt->IsBoolean())
return ThrowException(Exception::TypeError(
String::New("'bind' must be a Boolean")));
bind = bind_opt->BooleanValue();
}
mapnik::parameters params;
params["type"] = "js";
Local<Array> names = options->GetPropertyNames();
uint32_t i = 0;
uint32_t a_length = names->Length();
while (i < a_length) {
Local<Value> name = names->Get(i)->ToString();
Local<Value> value = options->Get(name);
params[TOSTR(name)] = TOSTR(value);
i++;
}
mapnik::datasource_ptr ds;
try
{
ds = mapnik::datasource_ptr(new js_datasource(params,bind,args[args.Length()-1]));
}
catch (const std::exception & ex)
{
return ThrowException(Exception::Error(
String::New(ex.what())));
}
catch (...)
{
return ThrowException(Exception::Error(
String::New("unknown exception happened, please file bug")));
}
if (ds)
{
JSDatasource* d = new JSDatasource();
d->Wrap(args.This());
d->ds_ptr_ = ds;
return args.This();
}
return Undefined();
}
Handle<Value> Query::New(Arguments const& args)
{
HandleScope scope;
if (!args.IsConstructCall()) {
return ThrowException(Exception::Error(String::New("Cannot call constructor as function, you need to use 'new' keyword")));
}
try {
if (args.Length() != 1) {
return ThrowException(Exception::TypeError(String::New("please provide an object of options for the first argument")));
}
if (!args[0]->IsObject()) {
return ThrowException(Exception::TypeError(String::New("first argument must be an object")));
}
Local<Object> obj = args[0]->ToObject();
if (obj->IsNull() || obj->IsUndefined()) {
return ThrowException(Exception::TypeError(String::New("first arg must be an object")));
}
if (!obj->Has(String::New("coordinates"))) {
return ThrowException(Exception::TypeError(String::New("must provide a coordinates property")));
}
Local<Value> coordinates = obj->Get(String::New("coordinates"));
if (!coordinates->IsArray()) {
return ThrowException(Exception::TypeError(String::New("coordinates must be an array of (lat/long) pairs")));
}
// Handle scenario in which caller explicitly specified service
std::string service;
if (obj->Has(String::New("service"))) {
Local<Value> serviceValue = obj->Get(String::New("service"));
v8::String::Utf8Value serviceUtf8Value(serviceValue->ToString());
service = std::string(*serviceUtf8Value);
}
// Handle 'nearest', otherwise assume 'viaroute' service.
if (service == "nearest" || service == "locate") {
Local<Array> coordinates_array = Local<Array>::Cast(coordinates);
if (coordinates_array->Length() != 1) {
return ThrowException(Exception::TypeError(String::New("coordinates array should only have one lat/long pair for 'nearest' or 'locate' queries")));
}
Local<Value> coordinate = coordinates_array->Get(0);
if (!coordinate->IsArray()) {
return ThrowException(Exception::TypeError(String::New("coordinates must be an array of (lat/long) pairs")));
}
Local<Array> coordinate_array = Local<Array>::Cast(coordinate);
if (coordinate_array->Length() != 2) {
return ThrowException(Exception::TypeError(String::New("coordinates must be an array of (lat/long) pairs")));
}
Query* q = new Query();
q->this_->service = service;
q->this_->coordinates.push_back(
FixedPointCoordinate(coordinate_array->Get(0)->NumberValue()*COORDINATE_PRECISION,
coordinate_array->Get(1)->NumberValue()*COORDINATE_PRECISION));
q->Wrap(args.This());
return args.This();
}
Local<Array> coordinates_array = Local<Array>::Cast(coordinates);
if (coordinates_array->Length() < 2) {
return ThrowException(Exception::TypeError(String::New("at least two coordinates must be provided")));
}
Query* q = new Query();
q->this_->zoomLevel = 18; //no generalization
q->this_->printInstructions = false; //turn by turn instructions
q->this_->alternateRoute = true; //get an alternate route, too
q->this_->geometry = true; //retrieve geometry of route
q->this_->compression = true; //polyline encoding
q->this_->checkSum = UINT_MAX; //see wiki
q->this_->service = "viaroute"; //that's routing
q->this_->outputFormat = "json";
q->this_->jsonpParameter = ""; //set for jsonp wrapping
q->this_->language = ""; //unused atm
if (obj->Has(String::New("alternateRoute"))) {
q->this_->alternateRoute = obj->Get(String::New("alternateRoute"))->BooleanValue();
}
if (obj->Has(String::New("checksum"))) {
q->this_->checkSum = static_cast<unsigned>(obj->Get(String::New("checksum"))->Uint32Value());
}
if (obj->Has(String::New("zoomLevel"))) {
q->this_->zoomLevel = static_cast<short>(obj->Get(String::New("zoomLevel"))->Int32Value());
}
if (obj->Has(String::New("printInstructions"))) {
q->this_->printInstructions = obj->Get(String::New("printInstructions"))->BooleanValue();
}
if (obj->Has(String::New("jsonpParameter"))) {
q->this_->jsonpParameter = *v8::String::Utf8Value(obj->Get(String::New("jsonpParameter")));
}
if (obj->Has(String::New("hints"))) {
Local<Value> hints = obj->Get(String::New("hints"));
if (!hints->IsArray()) {
return ThrowException(Exception::TypeError(String::New("hints must be an array of strings/null")));
}
Local<Array> hints_array = Local<Array>::Cast(hints);
for (uint32_t i = 0; i < hints_array->Length(); ++i) {
Local<Value> hint = hints_array->Get(i);
if (hint->IsString()) {
q->this_->hints.push_back(*v8::String::Utf8Value(hint));
} else if(hint->IsNull()){
q->this_->hints.push_back("");
}else{
return ThrowException(Exception::TypeError(String::New("hint must be null or string")));
}
}
}
for (uint32_t i = 0; i < coordinates_array->Length(); ++i) {
Local<Value> coordinate = coordinates_array->Get(i);
if (!coordinate->IsArray()) {
return ThrowException(Exception::TypeError(String::New("coordinates must be an array of (lat/long) pairs")));
}
Local<Array> coordinate_array = Local<Array>::Cast(coordinate);
if (coordinate_array->Length() != 2) {
return ThrowException(Exception::TypeError(String::New("coordinates must be an array of (lat/long) pairs")));
}
q->this_->coordinates.push_back(
FixedPointCoordinate(coordinate_array->Get(0)->NumberValue()*COORDINATE_PRECISION,
coordinate_array->Get(1)->NumberValue()*COORDINATE_PRECISION));
}
q->Wrap(args.This());
return args.This();
} catch (std::exception const& ex) {
return ThrowException(Exception::TypeError(String::New(ex.what())));
}
return Undefined();
}
Handle<Value> MSRect::New(const Arguments &args) {
HandleScope scope;
MSRect *obj;
double t;
if (!args.IsConstructCall()) {
return ThrowException(String::New("Cannot call constructor as function, you need to use 'new' keyword"));
}
if (args[0]->IsExternal()) {
Local<External> ext = Local<External>::Cast(args[0]);
void* ptr = ext->Value();
obj = static_cast<MSRect*>(ptr);
obj->Wrap(args.This());
return args.This();
}
rectObj *rect = (rectObj *)calloc(1, sizeof(rectObj));
if(!rect) {
return args.This();
}
if (args.Length() == 0) {
rect->minx = -1;
rect->miny = -1;
rect->maxx = -1;
rect->maxy = -1;
} else if (args.Length() == 1) {
Local<Object> argObj;
if (!args[0]->IsObject()) {
THROW_ERROR(TypeError, "single argument constructor requires a Rect object");
}
argObj = args[0]->ToObject();
if (argObj->IsNull() || argObj->IsUndefined() || !MSRect::constructor->HasInstance(argObj)) {
THROW_ERROR(TypeError, "single argument to Rect constructor must be a Rect object");
}
MSRect *inRect = ObjectWrap::Unwrap<MSRect>(argObj);
memcpy(rect, inRect->this_, sizeof(rectObj));
} else if (args.Length() == 4) {
REQ_DOUBLE_ARG(0, minx);
REQ_DOUBLE_ARG(1, miny);
REQ_DOUBLE_ARG(2, maxx);
REQ_DOUBLE_ARG(3, maxy);
/* coerce correct extent */
if (minx > maxx) {
t = maxx;
maxx = minx;
minx = t;
}
if (miny > maxy) {
t = maxy;
maxy = miny;
miny = t;
}
rect->minx = minx;
rect->miny = miny;
rect->maxx = maxx;
rect->maxy = maxy;
} else {
THROW_ERROR(Error, "Rect objects take 0, 1 or 4 arguments.");
}
obj = new MSRect(rect);
obj->owner = true;
obj->Wrap(args.This());
return args.This();
}
Handle<Value> Query::New(Arguments const& args)
{
HandleScope scope;
if (!args.IsConstructCall()) {
return ThrowException(Exception::Error(String::New("Cannot call constructor as function, you need to use 'new' keyword")));
}
try {
if (args.Length() != 1) {
return ThrowException(Exception::TypeError(String::New("please provide an object of options for the first argument")));
}
if (!args[0]->IsObject()) {
return ThrowException(Exception::TypeError(String::New("first argument must be an object")));
}
Local<Object> obj = args[0]->ToObject();
if (obj->IsNull() || obj->IsUndefined()) {
return ThrowException(Exception::TypeError(String::New("first arg must be an object")));
}
if (!obj->Has(String::NewSymbol("coordinates"))) {
return ThrowException(Exception::TypeError(String::New("must provide a coordinates property")));
}
Local<Value> coordinates = obj->Get(String::New("coordinates"));
if (!coordinates->IsArray()) {
return ThrowException(Exception::TypeError(String::New("coordinates must be an array of (lat/long) pairs")));
}
Local<Array> coordinates_array = Local<Array>::Cast(coordinates);
if (coordinates_array->Length() < 2) {
return ThrowException(Exception::TypeError(String::New("at least two coordinates must be provided")));
}
Query* q = new Query();
q->this_->zoomLevel = 18; //no generalization
q->this_->printInstructions = true; //turn by turn instructions
q->this_->alternateRoute = true; //get an alternate route, too
q->this_->geometry = true; //retrieve geometry of route
q->this_->compression = true; //polyline encoding
q->this_->checkSum = UINT_MAX; //see wiki
q->this_->service = "viaroute"; //that's routing
q->this_->outputFormat = "json";
q->this_->jsonpParameter = ""; //set for jsonp wrapping
q->this_->language = ""; //unused atm
if (obj->Has(String::NewSymbol("alternateRoute"))) {
q->this_->alternateRoute = obj->Get(String::New("alternateRoute"))->BooleanValue();
}
for (uint32_t i = 0; i < coordinates_array->Length(); ++i) {
Local<Value> coordinate = coordinates_array->Get(i);
if (!coordinate->IsArray()) {
return ThrowException(Exception::TypeError(String::New("coordinates must be an array of (lat/long) pairs")));
}
Local<Array> coordinate_array = Local<Array>::Cast(coordinate);
if (coordinate_array->Length() != 2) {
return ThrowException(Exception::TypeError(String::New("coordinates must be an array of (lat/long) pairs")));
}
q->this_->coordinates.push_back(
FixedPointCoordinate(coordinate_array->Get(0)->NumberValue()*COORDINATE_PRECISION,
coordinate_array->Get(1)->NumberValue()*COORDINATE_PRECISION));
}
q->Wrap(args.This());
return args.This();
} catch (std::exception const& ex) {
return ThrowException(Exception::TypeError(String::New(ex.what())));
}
return Undefined();
}
Handle<Value> Datasource::New(const Arguments& args)
{
HandleScope scope;
if (!args.IsConstructCall())
return ThrowException(String::New("Cannot call constructor as function, you need to use 'new' keyword"));
if (args[0]->IsExternal())
{
//std::clog << "external!\n";
Local<External> ext = Local<External>::Cast(args[0]);
void* ptr = ext->Value();
Datasource* d = static_cast<Datasource*>(ptr);
d->Wrap(args.This());
return args.This();
}
if (!args.Length() == 1){
return ThrowException(Exception::TypeError(
String::New("accepts only one argument, an object of key:value datasource options")));
}
if (!args[0]->IsObject())
return ThrowException(Exception::TypeError(
String::New("must provide an object, eg {type: 'shape', file : 'world.shp'}")));
Local<Object> options = args[0]->ToObject();
// TODO - maybe validate in js?
bool bind=true;
if (options->Has(String::New("bind")))
{
Local<Value> bind_opt = options->Get(String::New("bind"));
if (!bind_opt->IsBoolean())
return ThrowException(Exception::TypeError(
String::New("'bind' must be a Boolean")));
bind = bind_opt->BooleanValue();
}
mapnik::parameters params;
Local<Array> names = options->GetPropertyNames();
uint32_t i = 0;
uint32_t a_length = names->Length();
while (i < a_length) {
Local<Value> name = names->Get(i)->ToString();
Local<Value> value = options->Get(name);
params[TOSTR(name)] = TOSTR(value);
i++;
}
mapnik::datasource_ptr ds;
try
{
ds = mapnik::datasource_cache::create(params, bind);
}
catch (const mapnik::config_error & ex )
{
return ThrowException(Exception::Error(
String::New(ex.what())));
}
catch (const mapnik::datasource_exception & ex )
{
return ThrowException(Exception::Error(
String::New(ex.what())));
}
catch (const std::runtime_error & ex )
{
return ThrowException(Exception::Error(
String::New(ex.what())));
}
catch (const std::exception & ex)
{
return ThrowException(Exception::Error(
String::New(ex.what())));
}
catch (...)
{
return ThrowException(Exception::Error(
String::New("unknown exception happened, please file bug")));
}
if (ds)
{
Datasource* d = new Datasource();
d->Wrap(args.This());
d->datasource_ = ds;
return args.This();
}
return Undefined();
}
Handle<Value> Grid::New(const Arguments& args)
{
HandleScope scope;
if (!args.IsConstructCall())
return ThrowException(String::New("Cannot call constructor as function, you need to use 'new' keyword"));
if (args[0]->IsExternal())
{
//std::clog << "external!\n";
Local<External> ext = Local<External>::Cast(args[0]);
void* ptr = ext->Value();
Grid* g = static_cast<Grid*>(ptr);
g->Wrap(args.This());
return args.This();
}
if (args.Length() >= 2)
{
if (!args[0]->IsNumber() || !args[1]->IsNumber())
return ThrowException(Exception::TypeError(
String::New("Grid 'width' and 'height' must be a integers")));
// defaults
std::string key("__id__");
unsigned int resolution = 1;
if (args.Length() >= 3) {
if (!args[2]->IsObject())
return ThrowException(Exception::TypeError(
String::New("optional third arg must be an options object")));
Local<Object> options = args[2]->ToObject();
if (options->Has(String::New("key"))) {
Local<Value> bind_opt = options->Get(String::New("key"));
if (!bind_opt->IsString())
return ThrowException(Exception::TypeError(
String::New("optional arg 'key' must be an string")));
key = TOSTR(bind_opt);
}
// TODO - remove, deprecated
if (options->Has(String::New("resolution"))) {
Local<Value> bind_opt = options->Get(String::New("resolution"));
if (!bind_opt->IsNumber())
return ThrowException(Exception::TypeError(
String::New("optional arg 'resolution' must be an string")));
resolution = bind_opt->IntegerValue();
}
}
Grid* g = new Grid(args[0]->IntegerValue(),args[1]->IntegerValue(),key,resolution);
g->Wrap(args.This());
return args.This();
}
else
{
return ThrowException(Exception::Error(
String::New("please provide Grid width and height")));
}
return Undefined();
}
Handle<Value> Color::New(const Arguments& args)
{
HandleScope scope;
if (!args.IsConstructCall())
return ThrowException(String::New("Cannot call constructor as function, you need to use 'new' keyword"));
if (args[0]->IsExternal())
{
//std::clog << "external!\n";
Local<External> ext = Local<External>::Cast(args[0]);
void* ptr = ext->Value();
Color* c = static_cast<Color*>(ptr);
c->Wrap(args.This());
return args.This();
}
color_ptr c_p;
try
{
if (args.Length() == 1 && args[0]->IsString()){
c_p = boost::make_shared<mapnik::color>(TOSTR(args[0]));
} else if (args.Length() == 3) {
int r = args[0]->IntegerValue();
int g = args[1]->IntegerValue();
int b = args[2]->IntegerValue();
c_p = boost::make_shared<mapnik::color>(r,g,b);
} else if (args.Length() == 4) {
int r = args[0]->IntegerValue();
int g = args[1]->IntegerValue();
int b = args[2]->IntegerValue();
int a = args[3]->IntegerValue();
c_p = boost::make_shared<mapnik::color>(r,g,b,a);
} else {
return ThrowException(Exception::Error(
String::New("invalid arguments: colors can be created from a string, integer r,g,b values, or integer r,g,b,a values")));
}
// todo allow int,int,int and int,int,int,int contructor
}
catch (std::exception const& ex)
{
return ThrowException(Exception::Error(
String::New(ex.what())));
}
catch (...)
{
return ThrowException(Exception::Error(
String::New("unknown exception happened, please file bug")));
}
if (c_p)
{
Color* c = new Color();
c->Wrap(args.This());
c->this_ = c_p;
return args.This();
}
else
{
return ThrowException(Exception::Error(
String::New("unknown exception happened, please file bug")));
}
return Undefined();
}