static std::string toStdString(Local<String> s) {
char *buf = new char[s->Length() + 1];
s->WriteUtf8(buf);
std::string result(buf);
delete[] buf;
return result;
}
void StringIMPL::Value(char *target) const
{
Isolate::Scope isolate_scope(g_CurrentVM);
HandleScope handle_scope(g_CurrentVM);
Local<Context> context = v8::Local<v8::Context>::New(g_CurrentVM, g_GlobalContext);
Context::Scope context_scope(context);
Local<v8::String> stringValue = Handle<v8::String>::New(g_CurrentVM, persisted_value);
stringValue->WriteUtf8(target);
}
char* V8StringToFunctionChar(Handle<String> str) {
Local<String> prefix = String::New("(");
Local<String> postfix = String::New(")();");
Local<String> result = String::Concat(prefix,str);
result = String::Concat(result,postfix);
int len = result->Utf8Length();
char* buf = new char[len + 1];
result->WriteUtf8(buf, len);
buf[len] = '\0';
return buf;
}
// Returns number of bytes written.
ssize_t DecodeWrite(char *buf,
size_t buflen,
Handle<Value> val,
enum encoding encoding) {
HandleScope scope;
// XXX
// A lot of improvement can be made here. See:
// http://code.google.com/p/v8/issues/detail?id=270
// http://groups.google.com/group/v8-dev/browse_thread/thread/dba28a81d9215291/ece2b50a3b4022c
// http://groups.google.com/group/v8-users/browse_thread/thread/1f83b0ba1f0a611
if (val->IsArray()) {
fprintf(stderr, "'raw' encoding (array of integers) has been removed. "
"Use 'binary'.\n");
assert(0);
return -1;
}
Local<String> str = val->ToString();
if (encoding == UTF8) {
str->WriteUtf8(buf, buflen, NULL, String::HINT_MANY_WRITES_EXPECTED);
return buflen;
}
if (encoding == ASCII) {
str->WriteAscii(buf, 0, buflen, String::HINT_MANY_WRITES_EXPECTED);
return buflen;
}
// THIS IS AWFUL!!! FIXME
assert(encoding == BINARY);
uint16_t * twobytebuf = new uint16_t[buflen];
str->Write(twobytebuf, 0, buflen, String::HINT_MANY_WRITES_EXPECTED);
for (size_t i = 0; i < buflen; i++) {
unsigned char *b = reinterpret_cast<unsigned char*>(&twobytebuf[i]);
buf[i] = b[0];
}
delete [] twobytebuf;
return buflen;
}
String::Utf8Value::Utf8Value(Handle<v8::Value> val)
{
// Set some defaults which will be used for empty values/strings
mStr = NULL;
mLength = 0;
if (val.IsEmpty()) {
return;
}
// TODO: Do we need something about HandleScope here?
Local<String> str = val->ToString();
if (!str.IsEmpty()) {
int len = str->Utf8Length();
// Need space for the NULL terminator.
mStr = new char[len + 1];
mLength = str->WriteUtf8(mStr, len + 1) - 1;
}
}
// static
void Query::New(const FunctionCallbackInfo<Value>& args)
{
Isolate* isolate = Isolate::GetCurrent();
HandleScope scope(isolate);
if (args.IsConstructCall()) {
if (args.Length() != 1) {
Local<String> str = String::NewFromUtf8(isolate, "Consturctor expects 1 agument");
isolate->ThrowException(Exception::TypeError(str));
return;
}
if (!args[0]->IsString()) {
Local<String> str = String::NewFromUtf8(isolate, "Argument must be a string");
isolate->ThrowException(Exception::TypeError(str));
return;
}
Local<String> str = args[0]->ToString();
QByteArray arr;
arr.resize(str->Utf8Length());
str->WriteUtf8(arr.data(), arr.length());
QString queryString = QString::fromUtf8(arr);
Query* query = new Query(queryString);
query->Wrap(args.This());
args.GetReturnValue().Set(args.This());
}
else {
// Invoked as plain function, turn into construct call.
const int argc = 1;
Local<Value> argv[argc] = { args[0] };
Local<Function> cons = Local<Function>::New(isolate, s_constructor);
args.GetReturnValue().Set(cons->NewInstance(argc, argv));
}
}
Handle<Value> CharsetMap_recode_in(const Arguments &args) {
HandleScope scope;
DEBUG_MARKER(UDEB_DEBUG);
REQUIRE_ARGS_LENGTH(5);
JsValueConverter<CharsetMap *> converter(args.Holder());
CharsetMap * csmap = converter.toC();
int32_t lengths[2];
enum { SOURCE = 0 , DEST = 1 }; // for lengths[]
int status = CharsetMap::RECODE_OK;
int copyLen;
Local<Object> NodeBuffer = args[2]->ToObject();
Local<String> sourceStr = args[0]->ToString();
int32_t cs_to = args[1]->Int32Value();
char * buffer = node::Buffer::Data(NodeBuffer);
uint32_t offset = args[3]->Uint32Value();
lengths[DEST] = args[4]->Int32Value();
/* Source string length and charset */
int32_t cs_from = csmap->getUTF16CharsetNumber();
lengths[SOURCE] = sourceStr->Length();
/* Special case: if the destination is 2-byte unicode, just copy directly.
sourceStr->Write(uint16_t * ...) might face alignment issues, so we use
memcpy().
*/
if(cs_to == cs_from) {
if(lengths[DEST] >= lengths[SOURCE]) {
copyLen = lengths[SOURCE];
}
else {
copyLen = lengths[DEST];
status = csmap->RECODE_BUFF_TOO_SMALL;
}
DEBUG_PRINT("recodeIn() optimized path UTF16 -> UTF16 using memcpy");
String::Value source(sourceStr);
memcpy(buffer + offset, *source, copyLen);
lengths[DEST] = copyLen;
}
/* Special case: if the destination is UTF-8, let V8 do the copying.
copyLen will receive the length written in characters.
The return value is the length written in bytes.
*/
else if(cs_to == csmap->getUTF8CharsetNumber()) {
lengths[DEST] = sourceStr->WriteUtf8(buffer + offset, lengths[DEST],
©Len, 1);
if(copyLen < sourceStr->Length()) {
status = CharsetMap::RECODE_BUFF_TOO_SMALL;
}
DEBUG_PRINT("recodeIn() UTF16 -> UTF8 using v8 WriteUtf8(): %s",
buffer + offset);
}
/* General case: use CharsetMap::recode() */
else {
String::Value source(sourceStr);
status = csmap->recode(lengths, cs_from, cs_to, *source, buffer + offset);
DEBUG_PRINT("recodeIn() UTF16 -> X using recode(%c%c%c%c...): %s",
(*source)[1], (*source)[3], (*source)[5], (*source)[7],
buffer + offset);
}
/* Build the return value */
Local<Object> returnVal = Object::New();
returnVal->Set(String::NewSymbol("status"), Integer::New(status));
returnVal->Set(String::NewSymbol("lengthIn"), Integer::New(lengths[SOURCE]));
returnVal->Set(String::NewSymbol("lengthOut"), Integer::New(lengths[DEST]));
returnVal->Set(String::NewSymbol("charset"), args[1]);
returnVal->Set(String::NewSymbol("offset"), Integer::New(offset));
return scope.Close(returnVal);
}
Handle<Value> Pngquant::Compress(const Arguments& args) {
HandleScope scope;
struct rwpng_data * out_buffer;
struct rwpng_data * in_buffer;
if (args.Length() != 3) {
return ThrowException(Exception::TypeError(
String::New("Invalid argument, Need three arguments!")
)
);
}
if (!Buffer::HasInstance(args[0])) {
return ThrowException(Exception::TypeError(
String::New("First argument must be a buffer.")
)
);
}
if (!args[2]->IsFunction()) {
return ThrowException(Exception::TypeError(
String::New("Third argument must be a callback function.")
)
);
}
png_bytep in_stream = (png_bytep) Buffer::Data(args[0]->ToObject());
unsigned in_length = Buffer::Length(args[0]->ToObject());
Local<String> opt = args[1]->ToString();
Local<Function> callback = Local<Function>::Cast(args[2]);
Buffer *buffer;
char str_buffer[BUFFER_SIZE];
memset(str_buffer, '\0', BUFFER_SIZE);
opt->WriteUtf8(str_buffer);
char *argv[32] = {""};
char token[BUFFER_SIZE];
memset(token, '\0', BUFFER_SIZE);
int i = 0, argc = 0, k = 0, len = 0;
while(str_buffer[i] != '\0') {
if (argc >= 30) {
break;
}
if (str_buffer[i] == ' ') {
argc++;
k = 0;
len = strlen(token);
argv[argc] = (char*) malloc(len + 1);
memset(argv[argc], '\0', len + 1);
memcpy(argv[argc], token, len + 1);
//reset token
memset(token, '\0', BUFFER_SIZE);
} else {
token[k++] = str_buffer[i];
}
i++;
}
argv[0] = "pngquant";
if ((len = strlen(token)) > 0) {
argc++;
argv[argc] = (char*) malloc(len + 1);
memset(argv[argc], '\0', len + 1);
memcpy(argv[argc], token, len + 1);
argc = argc + 1; //0 1 2
}
in_buffer = (struct rwpng_data *)malloc(sizeof(struct rwpng_data));
if (in_buffer == NULL) {
return ThrowException(Exception::TypeError(
String::New("malloc fail!")
)
);
}
out_buffer = (struct rwpng_data *)malloc(sizeof(struct rwpng_data));
if (out_buffer == NULL) {
return ThrowException(Exception::TypeError(
String::New("malloc fail!")
)
);
}
memset(out_buffer, '\0', sizeof(struct rwpng_data));
in_buffer->png_data = in_stream;
in_buffer->length = in_length;
in_buffer->bytes_read = 0;
int ret = pngquant(in_buffer, out_buffer, argc, argv);
if (ret != 0) {
out_buffer->png_data = in_buffer->png_data;
out_buffer->length = in_buffer->length;
fprintf(stderr, "File: %s\n", argv[argc-1]);
}
buffer = Buffer::New((char *)out_buffer->png_data, out_buffer->length);
free(in_buffer);
free(out_buffer);
return scope.Close(
buffer->handle_
);
}
Parameter* ODBC::GetParametersFromArray (Local<Array> values, int *paramCount) {
DEBUG_PRINTF("ODBC::GetParametersFromArray\n");
*paramCount = values->Length();
Parameter* params = (Parameter *) malloc(*paramCount * sizeof(Parameter));
for (int i = 0; i < *paramCount; i++) {
Local<Value> value = values->Get(i);
params[i].size = 0;
params[i].length = SQL_NULL_DATA;
params[i].buffer_length = 0;
params[i].decimals = 0;
DEBUG_PRINTF("ODBC::GetParametersFromArray - ¶m[%i].length = %X\n",
i, ¶ms[i].length);
if (value->IsString()) {
Local<String> string = value->ToString();
int length = string->Length();
params[i].c_type = SQL_C_TCHAR;
#ifdef UNICODE
params[i].type = (length >= 8000) ? SQL_WLONGVARCHAR : SQL_WVARCHAR;
params[i].buffer_length = (length * sizeof(uint16_t)) + sizeof(uint16_t);
#else
params[i].type = (length >= 8000) ? SQL_LONGVARCHAR : SQL_VARCHAR;
params[i].buffer_length = string->Utf8Length() + 1;
#endif
params[i].buffer = malloc(params[i].buffer_length);
params[i].size = params[i].buffer_length;
params[i].length = SQL_NTS;//params[i].buffer_length;
#ifdef UNICODE
string->Write((uint16_t *) params[i].buffer);
#else
string->WriteUtf8((char *) params[i].buffer);
#endif
DEBUG_PRINTF("ODBC::GetParametersFromArray - IsString(): params[%i] "
"c_type=%i type=%i buffer_length=%i size=%i length=%i "
"value=%s\n", i, params[i].c_type, params[i].type,
params[i].buffer_length, params[i].size, params[i].length,
(char*) params[i].buffer);
}
else if (value->IsNull()) {
params[i].c_type = SQL_C_DEFAULT;
params[i].type = SQL_VARCHAR;
params[i].length = SQL_NULL_DATA;
DEBUG_PRINTF("ODBC::GetParametersFromArray - IsNull(): params[%i] "
"c_type=%i type=%i buffer_length=%i size=%i length=%i\n",
i, params[i].c_type, params[i].type,
params[i].buffer_length, params[i].size, params[i].length);
}
else if (value->IsInt32()) {
int64_t *number = new int64_t(value->IntegerValue());
params[i].c_type = SQL_C_SBIGINT;
params[i].type = SQL_BIGINT;
params[i].buffer = number;
params[i].length = 0;
DEBUG_PRINTF("ODBC::GetParametersFromArray - IsInt32(): params[%i] "
"c_type=%i type=%i buffer_length=%i size=%i length=%i "
"value=%lld\n", i, params[i].c_type, params[i].type,
params[i].buffer_length, params[i].size, params[i].length,
*number);
}
else if (value->IsNumber()) {
double *number = new double(value->NumberValue());
params[i].c_type = SQL_C_DOUBLE;
params[i].type = SQL_DECIMAL;
params[i].buffer = number;
params[i].buffer_length = sizeof(double);
params[i].length = params[i].buffer_length;
params[i].decimals = 7;
params[i].size = sizeof(double);
DEBUG_PRINTF("ODBC::GetParametersFromArray - IsNumber(): params[%i] "
"c_type=%i type=%i buffer_length=%i size=%i length=%i "
"value=%f\n",
i, params[i].c_type, params[i].type,
params[i].buffer_length, params[i].size, params[i].length,
*number);
}
else if (value->IsBoolean()) {
bool *boolean = new bool(value->BooleanValue());
params[i].c_type = SQL_C_BIT;
params[i].type = SQL_BIT;
params[i].buffer = boolean;
params[i].length = 0;
DEBUG_PRINTF("ODBC::GetParametersFromArray - IsBoolean(): params[%i] "
"c_type=%i type=%i buffer_length=%i size=%i length=%i\n",
i, params[i].c_type, params[i].type,
params[i].buffer_length, params[i].size, params[i].length);
}
}
return params;
}
Parameter* ODBC::GetParametersFromArray (Local<Array> values, int *paramCount) {
DEBUG_PRINTF("ODBC::GetParametersFromArray\n");
*paramCount = values->Length();
Parameter* params = NULL;
if (*paramCount > 0) {
params = (Parameter *) malloc(*paramCount * sizeof(Parameter));
}
for (int i = 0; i < *paramCount; i++) {
Local<Value> value = values->Get(i);
params[i].ColumnSize = 0;
params[i].StrLen_or_IndPtr = SQL_NULL_DATA;
params[i].BufferLength = 0;
params[i].DecimalDigits = 0;
DEBUG_PRINTF("ODBC::GetParametersFromArray - param[%i].length = %lli\n",
i, params[i].StrLen_or_IndPtr);
if (value->IsString()) {
Local<String> string = value->ToString();
int length = string->Length();
params[i].ValueType = SQL_C_TCHAR;
params[i].ColumnSize = 0; //SQL_SS_LENGTH_UNLIMITED
#ifdef UNICODE
params[i].ParameterType = SQL_WVARCHAR;
params[i].BufferLength = (length * sizeof(uint16_t)) + sizeof(uint16_t);
#else
params[i].ParameterType = SQL_VARCHAR;
params[i].BufferLength = string->Utf8Length() + 1;
#endif
params[i].ParameterValuePtr = malloc(params[i].BufferLength);
params[i].StrLen_or_IndPtr = SQL_NTS;//params[i].BufferLength;
#ifdef UNICODE
string->Write((uint16_t *) params[i].ParameterValuePtr);
#else
string->WriteUtf8((char *) params[i].ParameterValuePtr);
#endif
DEBUG_PRINTF("ODBC::GetParametersFromArray - IsString(): params[%i] c_type=%i type=%i buffer_length=%lli size=%lli length=%lli value=%s\n",
i, params[i].ValueType, params[i].ParameterType,
params[i].BufferLength, params[i].ColumnSize, params[i].StrLen_or_IndPtr,
(char*) params[i].ParameterValuePtr);
}
else if (value->IsNull()) {
params[i].ValueType = SQL_C_DEFAULT;
params[i].ParameterType = SQL_VARCHAR;
params[i].StrLen_or_IndPtr = SQL_NULL_DATA;
DEBUG_PRINTF("ODBC::GetParametersFromArray - IsNull(): params[%i] c_type=%i type=%i buffer_length=%lli size=%lli length=%lli\n",
i, params[i].ValueType, params[i].ParameterType,
params[i].BufferLength, params[i].ColumnSize, params[i].StrLen_or_IndPtr);
}
else if (value->IsInt32()) {
int64_t *number = new int64_t(value->IntegerValue());
params[i].ValueType = SQL_C_SBIGINT;
params[i].ParameterType = SQL_BIGINT;
params[i].ParameterValuePtr = number;
params[i].StrLen_or_IndPtr = 0;
DEBUG_PRINTF("ODBC::GetParametersFromArray - IsInt32(): params[%i] c_type=%i type=%i buffer_length=%lli size=%lli length=%lli value=%lld\n",
i, params[i].ValueType, params[i].ParameterType,
params[i].BufferLength, params[i].ColumnSize, params[i].StrLen_or_IndPtr,
*number);
}
else if (value->IsNumber()) {
double *number = new double(value->NumberValue());
params[i].ValueType = SQL_C_DOUBLE;
params[i].ParameterType = SQL_DECIMAL;
params[i].ParameterValuePtr = number;
params[i].BufferLength = sizeof(double);
params[i].StrLen_or_IndPtr = params[i].BufferLength;
params[i].DecimalDigits = 7;
params[i].ColumnSize = sizeof(double);
DEBUG_PRINTF("ODBC::GetParametersFromArray - IsNumber(): params[%i] c_type=%i type=%i buffer_length=%lli size=%lli length=%lli value=%f\n",
i, params[i].ValueType, params[i].ParameterType,
params[i].BufferLength, params[i].ColumnSize, params[i].StrLen_or_IndPtr,
*number);
}
else if (value->IsBoolean()) {
bool *boolean = new bool(value->BooleanValue());
params[i].ValueType = SQL_C_BIT;
params[i].ParameterType = SQL_BIT;
params[i].ParameterValuePtr = boolean;
params[i].StrLen_or_IndPtr = 0;
DEBUG_PRINTF("ODBC::GetParametersFromArray - IsBoolean(): params[%i] c_type=%i type=%i buffer_length=%lli size=%lli length=%lli\n",
i, params[i].ValueType, params[i].ParameterType,
params[i].BufferLength, params[i].ColumnSize, params[i].StrLen_or_IndPtr);
}
}
return params;
}
Handle<Value>
NodeSandbox::node_spawn(const Arguments& args)
{
HandleScope scope;
char** argv;
std::map<std::string, std::string> envp;
SandboxWrapper* wrap;
wrap = node::ObjectWrap::Unwrap<SandboxWrapper>(args.This());
argv = static_cast<char**>(calloc (sizeof (char*), args.Length()+1));
argv[args.Length()] = nullptr;
for(int i = 0; i < args.Length(); i++) {
if (args[i]->IsString()) {
Local<String> v = args[i]->ToString();
argv[i] = static_cast<char*>(calloc(sizeof(char), v->Utf8Length()+1));
v->WriteUtf8(argv[i]);
} else {
if (i <= args.Length() - 2 ) {
ThrowException(Exception::TypeError(String::New("Arguments must be strings.")));
goto out;
} else {
// Last parameter is an options structure
Local<Object> options = args[i]->ToObject();
if (!options.IsEmpty()) {
if (options->HasRealNamedProperty(String::NewSymbol("env"))) {
Local<Object> envOptions = options->Get(String::NewSymbol("env"))->ToObject();
if (!envOptions.IsEmpty()) {
Local<Array> envArray = envOptions->GetOwnPropertyNames();
for (uint32_t i = 0; i < envArray->Length(); i++) {
std::vector<char> strName;
std::vector<char> strValue;
Local<String> envName;
Local<String> envValue;
if (!(envArray->Get(i)->IsString() && envArray->Get(i)->IsString()))
goto err_env;
envName = envArray->Get(i)->ToString();
envValue = envOptions->Get(envName)->ToString();
strName.resize (envName->Utf8Length()+1);
strValue.resize (envValue->Utf8Length()+1);
envName->WriteUtf8 (strName.data());
envValue->WriteUtf8 (strValue.data());
envp.insert (std::make_pair(std::string (strName.data()), std::string(strValue.data())));
}
} else {
goto err_env;
}
}
} else {
goto err_options;
}
}
}
}
wrap->sbox->getVFS().setCWD ("/contract/");
wrap->sbox->spawn(argv, envp);
goto out;
err_env:
ThrowException(Exception::TypeError(String::New("'env' option must be a map of string:string")));
goto out;
err_options:
ThrowException(Exception::TypeError(String::New("Last argument must be an options structure.")));
goto out;
out:
for (int i = 0; i < args.Length();i ++) {
free (argv[i]);
}
free (argv);
return Undefined();
}
