void MakeCallback(uv_work_t* req) {
Nan::HandleScope scope;
Nan::TryCatch try_catch;
sass_context_wrapper* ctx_w = static_cast<sass_context_wrapper*>(req->data);
struct Sass_Context* ctx;
if (ctx_w->dctx) {
ctx = sass_data_context_get_context(ctx_w->dctx);
}
else {
ctx = sass_file_context_get_context(ctx_w->fctx);
}
int status = GetResult(ctx_w, ctx);
if (status == 0 && ctx_w->success_callback) {
// if no error, do callback(null, result)
ctx_w->success_callback->Call(0, 0);
}
else if (ctx_w->error_callback) {
// if error, do callback(error)
const char* err = sass_context_get_error_json(ctx);
v8::Local<v8::Value> argv[] = {
Nan::New<v8::String>(err).ToLocalChecked()
};
ctx_w->error_callback->Call(1, argv);
}
if (try_catch.HasCaught()) {
Nan::FatalException(try_catch);
}
sass_free_context_wrapper(ctx_w);
}
void extract_options(Local<Object> options, void* cptr, sass_context_wrapper* ctx_w, bool is_file, bool is_sync) {
NanScope();
struct Sass_Context* ctx;
NanAssignPersistent(ctx_w->result, options->Get(NanNew("result"))->ToObject());
if (is_file) {
ctx_w->fctx = (struct Sass_File_Context*) cptr;
ctx = sass_file_context_get_context(ctx_w->fctx);
}
else {
ctx_w->dctx = (struct Sass_Data_Context*) cptr;
ctx = sass_data_context_get_context(ctx_w->dctx);
}
struct Sass_Options* sass_options = sass_context_get_options(ctx);
ctx_w->importer_callback = NULL;
ctx_w->is_sync = is_sync;
if (!is_sync) {
ctx_w->request.data = ctx_w;
// async (callback) style
Local<Function> success_callback = Local<Function>::Cast(options->Get(NanNew("success")));
Local<Function> error_callback = Local<Function>::Cast(options->Get(NanNew("error")));
ctx_w->success_callback = new NanCallback(success_callback);
ctx_w->error_callback = new NanCallback(error_callback);
}
Local<Function> importer_callback = Local<Function>::Cast(options->Get(NanNew("importer")));
if (importer_callback->IsFunction()) {
ctx_w->importer_callback = new NanCallback(importer_callback);
uv_async_init(uv_default_loop(), &ctx_w->async, (uv_async_cb)dispatched_async_uv_callback);
sass_option_set_importer(sass_options, sass_make_importer(sass_importer, ctx_w));
}
if(!is_file) {
sass_option_set_input_path(sass_options, create_string(options->Get(NanNew("file"))));
}
sass_option_set_output_path(sass_options, create_string(options->Get(NanNew("outFile"))));
sass_option_set_image_path(sass_options, create_string(options->Get(NanNew("imagePath"))));
sass_option_set_output_style(sass_options, (Sass_Output_Style)options->Get(NanNew("style"))->Int32Value());
sass_option_set_is_indented_syntax_src(sass_options, options->Get(NanNew("indentedSyntax"))->BooleanValue());
sass_option_set_source_comments(sass_options, options->Get(NanNew("comments"))->BooleanValue());
sass_option_set_omit_source_map_url(sass_options, options->Get(NanNew("omitSourceMapUrl"))->BooleanValue());
sass_option_set_source_map_embed(sass_options, options->Get(NanNew("sourceMapEmbed"))->BooleanValue());
sass_option_set_source_map_contents(sass_options, options->Get(NanNew("sourceMapContents"))->BooleanValue());
sass_option_set_source_map_file(sass_options, create_string(options->Get(NanNew("sourceMap"))));
sass_option_set_include_path(sass_options, create_string(options->Get(NanNew("paths"))));
sass_option_set_precision(sass_options, options->Get(NanNew("precision"))->Int32Value());
}
int compile_stdin(struct Sass_Options* options, char* outfile) {
int ret;
struct Sass_Data_Context* ctx;
char buffer[BUFSIZE];
size_t size = 1;
char *source_string = malloc(sizeof(char) * BUFSIZE);
if(source_string == NULL) {
perror("Allocation failed");
exit(1);
}
source_string[0] = '\0';
while(fgets(buffer, BUFSIZE, stdin)) {
char *old = source_string;
size += strlen(buffer);
source_string = realloc(source_string, size);
if(source_string == NULL) {
perror("Reallocation failed");
free(old);
exit(2);
}
#ifdef _MSC_VER
strcat_s(source_string, size, buffer);
#else
strcat(source_string, buffer);
#endif
}
if(ferror(stdin)) {
free(source_string);
perror("Error reading standard input");
exit(2);
}
ctx = sass_make_data_context(source_string);
struct Sass_Context* ctx_out = sass_data_context_get_context(ctx);
sass_data_context_set_options(ctx, options);
sass_compile_data_context(ctx);
ret = output(
sass_context_get_error_status(ctx_out),
sass_context_get_error_message(ctx_out),
sass_context_get_output_string(ctx_out),
outfile
);
sass_delete_data_context(ctx);
return ret;
}
void make_callback(uv_work_t* req) {
NanScope();
TryCatch try_catch;
sass_context_wrapper* ctx_w = static_cast<sass_context_wrapper*>(req->data);
struct Sass_Context* ctx;
if (ctx_w->dctx) {
ctx = sass_data_context_get_context(ctx_w->dctx);
}
else {
ctx = sass_file_context_get_context(ctx_w->fctx);
}
int status = GetResult(ctx_w, ctx);
if (status == 0 && ctx_w->success_callback) {
// if no error, do callback(null, result)
ctx_w->success_callback->Call(0, 0);
}
else if(ctx_w->error_callback) {
// if error, do callback(error)
const char* err = sass_context_get_error_json(ctx);
Local<Value> argv[] = {
NanNew<String>(err),
NanNew<Integer>(status)
};
ctx_w->error_callback->Call(2, argv);
}
if (try_catch.HasCaught()) {
node::FatalException(try_catch);
}
if (ctx_w->importer_callback) {
uv_close((uv_handle_t*)&ctx_w->async, NULL);
}
sass_free_context_wrapper(ctx_w);
}
int ExtractOptions(v8::Local<v8::Object> options, void* cptr, sass_context_wrapper* ctx_w, bool is_file, bool is_sync) {
Nan::HandleScope scope;
struct Sass_Context* ctx;
v8::Local<v8::Value> result_ = Nan::Get(
options,
Nan::New("result").ToLocalChecked()
).ToLocalChecked();
if (!result_->IsObject()) {
Nan::ThrowTypeError("\"result\" element is not an object");
return -1;
}
ctx_w->result.Reset(result_.As<v8::Object>());
if (is_file) {
ctx_w->fctx = (struct Sass_File_Context*) cptr;
ctx = sass_file_context_get_context(ctx_w->fctx);
}
else {
ctx_w->dctx = (struct Sass_Data_Context*) cptr;
ctx = sass_data_context_get_context(ctx_w->dctx);
}
struct Sass_Options* sass_options = sass_context_get_options(ctx);
ctx_w->is_sync = is_sync;
if (!is_sync) {
ctx_w->request.data = ctx_w;
// async (callback) style
v8::Local<v8::Function> success_callback = v8::Local<v8::Function>::Cast(Nan::Get(options, Nan::New("success").ToLocalChecked()).ToLocalChecked());
v8::Local<v8::Function> error_callback = v8::Local<v8::Function>::Cast(Nan::Get(options, Nan::New("error").ToLocalChecked()).ToLocalChecked());
ctx_w->success_callback = new Nan::Callback(success_callback);
ctx_w->error_callback = new Nan::Callback(error_callback);
}
if (!is_file) {
ctx_w->file = create_string(Nan::Get(options, Nan::New("file").ToLocalChecked()));
sass_option_set_input_path(sass_options, ctx_w->file);
}
int indent_len = Nan::To<int32_t>(
Nan::Get(
options,
Nan::New("indentWidth").ToLocalChecked()
).ToLocalChecked()).FromJust();
ctx_w->indent = (char*)malloc(indent_len + 1);
strcpy(ctx_w->indent, std::string(
indent_len,
Nan::To<int32_t>(
Nan::Get(
options,
Nan::New("indentType").ToLocalChecked()
).ToLocalChecked()).FromJust() == 1 ? '\t' : ' '
).c_str());
ctx_w->linefeed = create_string(Nan::Get(options, Nan::New("linefeed").ToLocalChecked()));
ctx_w->include_path = create_string(Nan::Get(options, Nan::New("includePaths").ToLocalChecked()));
ctx_w->out_file = create_string(Nan::Get(options, Nan::New("outFile").ToLocalChecked()));
ctx_w->source_map = create_string(Nan::Get(options, Nan::New("sourceMap").ToLocalChecked()));
ctx_w->source_map_root = create_string(Nan::Get(options, Nan::New("sourceMapRoot").ToLocalChecked()));
sass_option_set_output_path(sass_options, ctx_w->out_file);
sass_option_set_output_style(sass_options, (Sass_Output_Style)Nan::To<int32_t>(Nan::Get(options, Nan::New("style").ToLocalChecked()).ToLocalChecked()).FromJust());
sass_option_set_is_indented_syntax_src(sass_options, Nan::To<bool>(Nan::Get(options, Nan::New("indentedSyntax").ToLocalChecked()).ToLocalChecked()).FromJust());
sass_option_set_source_comments(sass_options, Nan::To<bool>(Nan::Get(options, Nan::New("sourceComments").ToLocalChecked()).ToLocalChecked()).FromJust());
sass_option_set_omit_source_map_url(sass_options, Nan::To<bool>(Nan::Get(options, Nan::New("omitSourceMapUrl").ToLocalChecked()).ToLocalChecked()).FromJust());
sass_option_set_source_map_embed(sass_options, Nan::To<bool>(Nan::Get(options, Nan::New("sourceMapEmbed").ToLocalChecked()).ToLocalChecked()).FromJust());
sass_option_set_source_map_contents(sass_options, Nan::To<bool>(Nan::Get(options, Nan::New("sourceMapContents").ToLocalChecked()).ToLocalChecked()).FromJust());
sass_option_set_source_map_file(sass_options, ctx_w->source_map);
sass_option_set_source_map_root(sass_options, ctx_w->source_map_root);
sass_option_set_include_path(sass_options, ctx_w->include_path);
sass_option_set_precision(sass_options, Nan::To<int32_t>(Nan::Get(options, Nan::New("precision").ToLocalChecked()).ToLocalChecked()).FromJust());
sass_option_set_indent(sass_options, ctx_w->indent);
sass_option_set_linefeed(sass_options, ctx_w->linefeed);
v8::Local<v8::Value> importer_callback = Nan::Get(options, Nan::New("importer").ToLocalChecked()).ToLocalChecked();
if (importer_callback->IsFunction()) {
v8::Local<v8::Function> importer = importer_callback.As<v8::Function>();
CustomImporterBridge *bridge = new CustomImporterBridge(importer, ctx_w->is_sync);
ctx_w->importer_bridges.push_back(bridge);
Sass_Importer_List c_importers = sass_make_importer_list(1);
c_importers[0] = sass_make_importer(sass_importer, 0, bridge);
sass_option_set_c_importers(sass_options, c_importers);
}
else if (importer_callback->IsArray()) {
v8::Local<v8::Array> importers = importer_callback.As<v8::Array>();
Sass_Importer_List c_importers = sass_make_importer_list(importers->Length());
for (size_t i = 0; i < importers->Length(); ++i) {
v8::Local<v8::Function> callback = v8::Local<v8::Function>::Cast(Nan::Get(importers, static_cast<uint32_t>(i)).ToLocalChecked());
CustomImporterBridge *bridge = new CustomImporterBridge(callback, ctx_w->is_sync);
ctx_w->importer_bridges.push_back(bridge);
c_importers[i] = sass_make_importer(sass_importer, importers->Length() - i - 1, bridge);
}
sass_option_set_c_importers(sass_options, c_importers);
}
v8::Local<v8::Value> custom_functions = Nan::Get(options, Nan::New("functions").ToLocalChecked()).ToLocalChecked();
if (custom_functions->IsObject()) {
v8::Local<v8::Object> functions = custom_functions.As<v8::Object>();
v8::Local<v8::Array> signatures = Nan::GetOwnPropertyNames(functions).ToLocalChecked();
unsigned num_signatures = signatures->Length();
Sass_Function_List fn_list = sass_make_function_list(num_signatures);
for (unsigned i = 0; i < num_signatures; i++) {
v8::Local<v8::String> signature = v8::Local<v8::String>::Cast(Nan::Get(signatures, Nan::New(i)).ToLocalChecked());
v8::Local<v8::Function> callback = v8::Local<v8::Function>::Cast(Nan::Get(functions, signature).ToLocalChecked());
CustomFunctionBridge *bridge = new CustomFunctionBridge(callback, ctx_w->is_sync);
ctx_w->function_bridges.push_back(bridge);
Sass_Function_Entry fn = sass_make_function(create_string(signature), sass_custom_function, bridge);
sass_function_set_list_entry(fn_list, i, fn);
}
sass_option_set_c_functions(sass_options, fn_list);
}
return 0;
}
