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#include "node_printer.hpp"
#if _MSC_VER
#include <windows.h>
#include <Winspool.h>
#pragma comment(lib, "Winspool.lib")
#else
#error "Unsupported compiler for windows. Feel free to add it."
#endif
#include <string>
#include <map>
#include <utility>
namespace{
typedef std::map<std::string, DWORD> StatusMapType;
/** Memory value class management to avoid memory leak
*/
template<typename Type>
struct MemValue
{
/** Constructor of allocating iSizeKbytes bytes memory;
* @param iSizeKbytes size in bytes of required allocating memory
*/
MemValue(const DWORD iSizeKbytes): _value(NULL)
{
_value = (Type*)malloc(iSizeKbytes);
}
/** Destructor. The allocated memory will be deallocated
*/
~MemValue()
{
if(_value != NULL)
{
free(_value);
}
}
Type * get() {return _value; }
Type * operator ->() { return &_value; }
operator bool() const { return (_value != NULL); }
Type *_value;
};
struct PrinterHandle
{
PrinterHandle(LPWSTR iPrinterName)
{
_ok = OpenPrinterW(iPrinterName, &_printer, NULL);
}
~PrinterHandle()
{
if(!_ok)
{
ClosePrinter(_printer);
}
}
operator HANDLE() {return _printer;}
operator bool() { return (!!_ok);}
HANDLE & operator *() { return _printer;}
HANDLE * operator ->() { return &_printer;}
const HANDLE & operator ->() const { return _printer;}
HANDLE _printer;
BOOL _ok;
};
const StatusMapType& getStatusMap()
{
static StatusMapType result;
if(!result.empty())
{
return result;
}
// add only first time
#define STATUS_PRINTER_ADD(value, type) result.insert(std::make_pair(value, type))
STATUS_PRINTER_ADD("BUSY", PRINTER_STATUS_BUSY);
STATUS_PRINTER_ADD("DOOR-OPEN", PRINTER_STATUS_DOOR_OPEN);
STATUS_PRINTER_ADD("ERROR", PRINTER_STATUS_ERROR);
STATUS_PRINTER_ADD("INITIALIZING", PRINTER_STATUS_INITIALIZING);
STATUS_PRINTER_ADD("IO-ACTIVE", PRINTER_STATUS_IO_ACTIVE);
STATUS_PRINTER_ADD("MANUAL-FEED", PRINTER_STATUS_MANUAL_FEED);
STATUS_PRINTER_ADD("NO-TONER", PRINTER_STATUS_NO_TONER);
STATUS_PRINTER_ADD("NOT-AVAILABLE", PRINTER_STATUS_NOT_AVAILABLE);
STATUS_PRINTER_ADD("OFFLINE", PRINTER_STATUS_OFFLINE);
STATUS_PRINTER_ADD("OUT-OF-MEMORY", PRINTER_STATUS_OUT_OF_MEMORY);
STATUS_PRINTER_ADD("OUTPUT-BIN-FULL", PRINTER_STATUS_OUTPUT_BIN_FULL);
STATUS_PRINTER_ADD("PAGE-PUNT", PRINTER_STATUS_PAGE_PUNT);
STATUS_PRINTER_ADD("PAPER-JAM", PRINTER_STATUS_PAPER_JAM);
STATUS_PRINTER_ADD("PAPER-OUT", PRINTER_STATUS_PAPER_OUT);
STATUS_PRINTER_ADD("PAPER-PROBLEM", PRINTER_STATUS_PAPER_PROBLEM);
STATUS_PRINTER_ADD("PAUSED", PRINTER_STATUS_PAUSED);
STATUS_PRINTER_ADD("PENDING-DELETION", PRINTER_STATUS_PENDING_DELETION);
STATUS_PRINTER_ADD("POWER-SAVE", PRINTER_STATUS_POWER_SAVE);
STATUS_PRINTER_ADD("PRINTING", PRINTER_STATUS_PRINTING);
STATUS_PRINTER_ADD("PROCESSING", PRINTER_STATUS_PROCESSING);
STATUS_PRINTER_ADD("SERVER-UNKNOWN", PRINTER_STATUS_SERVER_UNKNOWN);
STATUS_PRINTER_ADD("TONER-LOW", PRINTER_STATUS_TONER_LOW);
STATUS_PRINTER_ADD("USER-INTERVENTION", PRINTER_STATUS_USER_INTERVENTION);
STATUS_PRINTER_ADD("WAITING", PRINTER_STATUS_WAITING);
STATUS_PRINTER_ADD("WARMING-UP", PRINTER_STATUS_WARMING_UP);
#undef STATUS_PRINTER_ADD
return result;
}
const StatusMapType& getJobStatusMap()
{
static StatusMapType result;
if(!result.empty())
{
return result;
}
// add only first time
#define STATUS_PRINTER_ADD(value, type) result.insert(std::make_pair(value, type))
// Common statuses
STATUS_PRINTER_ADD("PRINTING", JOB_STATUS_PRINTING);
STATUS_PRINTER_ADD("PRINTED", JOB_STATUS_PRINTED);
STATUS_PRINTER_ADD("PAUSED", JOB_STATUS_PAUSED);
// Specific statuses
STATUS_PRINTER_ADD("BLOCKED-DEVQ", JOB_STATUS_BLOCKED_DEVQ);
STATUS_PRINTER_ADD("DELETED", JOB_STATUS_DELETED);
STATUS_PRINTER_ADD("DELETING", JOB_STATUS_DELETING);
STATUS_PRINTER_ADD("ERROR", JOB_STATUS_ERROR);
STATUS_PRINTER_ADD("OFFLINE", JOB_STATUS_OFFLINE);
STATUS_PRINTER_ADD("PAPEROUT", JOB_STATUS_PAPEROUT);
STATUS_PRINTER_ADD("RESTART", JOB_STATUS_RESTART);
STATUS_PRINTER_ADD("SPOOLING", JOB_STATUS_SPOOLING);
STATUS_PRINTER_ADD("USER-INTERVENTION", JOB_STATUS_USER_INTERVENTION);
// XP and later
#ifdef JOB_STATUS_COMPLETE
STATUS_PRINTER_ADD("COMPLETE", JOB_STATUS_COMPLETE);
#endif
#ifdef JOB_STATUS_RETAINED
STATUS_PRINTER_ADD("RETAINED", JOB_STATUS_RETAINED);
#endif
#undef STATUS_PRINTER_ADD
return result;
}
const StatusMapType& getAttributeMap()
{
static StatusMapType result;
if(!result.empty())
{
return result;
}
// add only first time
#define ATTRIBUTE_PRINTER_ADD(value, type) result.insert(std::make_pair(value, type))
ATTRIBUTE_PRINTER_ADD("DIRECT", PRINTER_ATTRIBUTE_DIRECT);
ATTRIBUTE_PRINTER_ADD("DO-COMPLETE-FIRST", PRINTER_ATTRIBUTE_DO_COMPLETE_FIRST);
ATTRIBUTE_PRINTER_ADD("ENABLE-DEVQ", PRINTER_ATTRIBUTE_ENABLE_DEVQ);
ATTRIBUTE_PRINTER_ADD("HIDDEN", PRINTER_ATTRIBUTE_HIDDEN);
ATTRIBUTE_PRINTER_ADD("KEEPPRINTEDJOBS", PRINTER_ATTRIBUTE_KEEPPRINTEDJOBS);
ATTRIBUTE_PRINTER_ADD("LOCAL", PRINTER_ATTRIBUTE_LOCAL);
ATTRIBUTE_PRINTER_ADD("NETWORK", PRINTER_ATTRIBUTE_NETWORK);
ATTRIBUTE_PRINTER_ADD("PUBLISHED", PRINTER_ATTRIBUTE_PUBLISHED);
ATTRIBUTE_PRINTER_ADD("QUEUED", PRINTER_ATTRIBUTE_QUEUED);
ATTRIBUTE_PRINTER_ADD("RAW-ONLY", PRINTER_ATTRIBUTE_RAW_ONLY);
ATTRIBUTE_PRINTER_ADD("SHARED", PRINTER_ATTRIBUTE_SHARED);
// XP
#ifdef PRINTER_ATTRIBUTE_FAX
ATTRIBUTE_PRINTER_ADD("FAX", PRINTER_ATTRIBUTE_FAX);
#endif
// vista
#ifdef PRINTER_ATTRIBUTE_FRIENDLY_NAME
ATTRIBUTE_PRINTER_ADD("FRIENDLY-NAME", PRINTER_ATTRIBUTE_FRIENDLY_NAME);
ATTRIBUTE_PRINTER_ADD("MACHINE", PRINTER_ATTRIBUTE_MACHINE);
ATTRIBUTE_PRINTER_ADD("PUSHED-USER", PRINTER_ATTRIBUTE_PUSHED_USER);
ATTRIBUTE_PRINTER_ADD("PUSHED-MACHINE", PRINTER_ATTRIBUTE_PUSHED_MACHINE);
#endif
// server 2003
#ifdef PRINTER_ATTRIBUTE_TS
ATTRIBUTE_PRINTER_ADD("TS", PRINTER_ATTRIBUTE_TS);
#endif
#undef ATTRIBUTE_PRINTER_ADD
return result;
}
const StatusMapType& getJobCommandMap()
{
static StatusMapType result;
if(!result.empty())
{
return result;
}
// add only first time
#define COMMAND_JOB_ADD(value, type) result.insert(std::make_pair(value, type))
COMMAND_JOB_ADD("CANCEL", JOB_CONTROL_CANCEL);
COMMAND_JOB_ADD("PAUSE", JOB_CONTROL_PAUSE);
COMMAND_JOB_ADD("RESTART", JOB_CONTROL_RESTART);
COMMAND_JOB_ADD("RESUME", JOB_CONTROL_RESUME);
COMMAND_JOB_ADD("DELETE", JOB_CONTROL_DELETE);
COMMAND_JOB_ADD("SENT-TO-PRINTER", JOB_CONTROL_SENT_TO_PRINTER);
COMMAND_JOB_ADD("LAST-PAGE-EJECTED", JOB_CONTROL_LAST_PAGE_EJECTED);
#ifdef JOB_CONTROL_RETAIN
COMMAND_JOB_ADD("RETAIN", JOB_CONTROL_RETAIN);
#endif
#ifdef JOB_CONTROL_RELEASE
COMMAND_JOB_ADD("RELEASE", JOB_CONTROL_RELEASE);
#endif
#undef COMMAND_JOB_ADD
return result;
}
void parseJobObject(JOB_INFO_2W *job, v8::Handle<v8::Object> result_printer_job)
{
MY_NODE_MODULE_ISOLATE_DECL
//Common fields
//DWORD JobId;
result_printer_job->Set(V8_STRING_NEW_UTF8("id"), V8_VALUE_NEW(Number, job->JobId));
#define ADD_V8_STRING_PROPERTY(name, key) if((job->##key != NULL) && (*job->##key != L'\0')) \
{ \
result_printer_job->Set(V8_STRING_NEW_UTF8(#name), V8_STRING_NEW_2BYTES((uint16_t*)job->##key)); \
}
//LPTSTR pPrinterName;
ADD_V8_STRING_PROPERTY(name, pPrinterName)
//LPTSTR pPrinterName;
ADD_V8_STRING_PROPERTY(printerName, pPrinterName);
//LPTSTR pUserName;
ADD_V8_STRING_PROPERTY(user, pUserName);
//LPTSTR pDatatype;
ADD_V8_STRING_PROPERTY(format, pDatatype);
//DWORD Priority;
result_printer_job->Set(V8_STRING_NEW_UTF8("priority"), V8_VALUE_NEW(Number, job->Priority));
//DWORD Size;
result_printer_job->Set(V8_STRING_NEW_UTF8("size"), V8_VALUE_NEW(Number, job->Size));
//DWORD Status;
v8::Local<v8::Array> result_printer_job_status = V8_VALUE_NEW_DEFAULT_V_0_11_10(Array);
int i_status = 0;
for(StatusMapType::const_iterator itStatus = getJobStatusMap().begin(); itStatus != getJobStatusMap().end(); ++itStatus)
{
if(job->Status & itStatus->second)
{
result_printer_job_status->Set(i_status++, V8_STRING_NEW_UTF8(itStatus->first.c_str()));
}
}
//LPTSTR pStatus;
if((job->pStatus != NULL) && (*job->pStatus != L'\0'))
{
result_printer_job_status->Set(i_status++, V8_STRING_NEW_2BYTES((uint16_t*)job->pStatus));
}
result_printer_job->Set(V8_STRING_NEW_UTF8("status"), result_printer_job_status);
// Specific fields
//LPTSTR pMachineName;
ADD_V8_STRING_PROPERTY(machineName, pMachineName);
//LPTSTR pDocument;
ADD_V8_STRING_PROPERTY(document, pDocument);
//LPTSTR pNotifyName;
ADD_V8_STRING_PROPERTY(notifyName, pNotifyName);
//LPTSTR pPrintProcessor;
ADD_V8_STRING_PROPERTY(printProcessor, pPrintProcessor);
//LPTSTR pParameters;
ADD_V8_STRING_PROPERTY(parameters, pParameters);
//LPTSTR pDriverName;
ADD_V8_STRING_PROPERTY(driverName, pDriverName);
#undef ADD_V8_STRING_PROPERTY
//LPDEVMODE pDevMode;
//PSECURITY_DESCRIPTOR pSecurityDescriptor;
//DWORD Position;
result_printer_job->Set(V8_STRING_NEW_UTF8("position"), V8_VALUE_NEW(Number, job->Position));
//DWORD StartTime;
result_printer_job->Set(V8_STRING_NEW_UTF8("startTime"), V8_VALUE_NEW(Number, job->StartTime));
//DWORD UntilTime;
result_printer_job->Set(V8_STRING_NEW_UTF8("untilTime"), V8_VALUE_NEW(Number, job->UntilTime));
//DWORD TotalPages;
result_printer_job->Set(V8_STRING_NEW_UTF8("totalPages"), V8_VALUE_NEW(Number, job->TotalPages));
//SYSTEMTIME Submitted;
//DWORD Time;
result_printer_job->Set(V8_STRING_NEW_UTF8("time"), V8_VALUE_NEW(Number, job->Time));
//DWORD PagesPrinted;
result_printer_job->Set(V8_STRING_NEW_UTF8("pagesPrinted"), V8_VALUE_NEW(Number, job->PagesPrinted));
}
std::string retrieveAndParseJobs(const LPWSTR iPrinterName,
const DWORD& iTotalJobs,
v8::Handle<v8::Object> result_printer_jobs,
PrinterHandle& iPrinterHandle)
{
MY_NODE_MODULE_ISOLATE_DECL
DWORD bytes_needed = 0, totalJobs = 0;
BOOL bError = EnumJobsW(*iPrinterHandle, 0, iTotalJobs, 2, NULL, bytes_needed, &bytes_needed, &totalJobs);
MemValue<JOB_INFO_2W> jobs(bytes_needed);
if(!jobs)
{
return std::string("Error on allocating memory for jobs");
}
DWORD dummy_bytes = 0;
bError = EnumJobsW(*iPrinterHandle, 0, iTotalJobs, 2, (LPBYTE)jobs.get(), bytes_needed, &dummy_bytes, &totalJobs);
if(!bError)
{
return std::string("Error on EnumJobsW");
}
JOB_INFO_2W *job = jobs.get();
for(DWORD i = 0; i < totalJobs; ++i, ++job)
{
v8::Local<v8::Object> result_printer_job = V8_VALUE_NEW_DEFAULT_V_0_11_10(Object);
parseJobObject(job, result_printer_job);
result_printer_jobs->Set(i, result_printer_job);
}
return std::string("");
}
std::string parsePrinterInfo(const PRINTER_INFO_2W *printer, v8::Handle<v8::Object> result_printer, PrinterHandle& iPrinterHandle)
{
MY_NODE_MODULE_ISOLATE_DECL
#define ADD_V8_STRING_PROPERTY(name, key) if((printer->##key != NULL) && (*printer->##key != L'\0')) \
{ \
result_printer->Set(V8_STRING_NEW_UTF8(#name), V8_STRING_NEW_2BYTES((uint16_t*)printer->##key)); \
}
//LPTSTR pPrinterName;
ADD_V8_STRING_PROPERTY(name, pPrinterName)
//LPTSTR pServerName;
ADD_V8_STRING_PROPERTY(serverName, pServerName)
//LPTSTR pShareName;
ADD_V8_STRING_PROPERTY(shareName, pShareName)
//LPTSTR pPortName;
ADD_V8_STRING_PROPERTY(portName, pPortName)
//LPTSTR pDriverName;
ADD_V8_STRING_PROPERTY(driverName, pDriverName)
//LPTSTR pComment;
ADD_V8_STRING_PROPERTY(comment, pComment)
//LPTSTR pLocation;
ADD_V8_STRING_PROPERTY(location, pLocation)
//LPTSTR pSepFile;
ADD_V8_STRING_PROPERTY(sepFile, pSepFile)
//LPTSTR pPrintProcessor;
ADD_V8_STRING_PROPERTY(printProcessor, pPrintProcessor)
//LPTSTR pDatatype;
ADD_V8_STRING_PROPERTY(datatype, pDatatype)
//LPTSTR pParameters;
ADD_V8_STRING_PROPERTY(parameters, pParameters)
#undef ADD_V8_STRING_PROPERTY
//DWORD Status;
// statuses from:
// http://msdn.microsoft.com/en-gb/library/windows/desktop/dd162845(v=vs.85).aspx
v8::Local<v8::Array> result_printer_status = V8_VALUE_NEW_DEFAULT_V_0_11_10(Array);
int i_status = 0;
for(StatusMapType::const_iterator itStatus = getStatusMap().begin(); itStatus != getStatusMap().end(); ++itStatus)
{
if(printer->Status & itStatus->second)
{
result_printer_status->Set(i_status, V8_STRING_NEW_UTF8(itStatus->first.c_str()));
++i_status;
}
}
result_printer->Set(V8_STRING_NEW_UTF8("status"), result_printer_status);
result_printer->Set(V8_STRING_NEW_UTF8("statusNumber"), V8_VALUE_NEW(Number, printer->Status));
//DWORD Attributes;
v8::Local<v8::Array> result_printer_attributes = V8_VALUE_NEW_DEFAULT_V_0_11_10(Array);
int i_attribute = 0;
for(StatusMapType::const_iterator itAttribute = getAttributeMap().begin(); itAttribute != getAttributeMap().end(); ++itAttribute)
{
if(printer->Attributes & itAttribute->second)
{
result_printer_attributes->Set(i_attribute, V8_STRING_NEW_UTF8(itAttribute->first.c_str()));
++i_attribute;
}
}
result_printer->Set(V8_STRING_NEW_UTF8("attributes"), result_printer_attributes);
//DWORD Priority;
result_printer->Set(V8_STRING_NEW_UTF8("priority"), V8_VALUE_NEW(Number, printer->Priority));
//DWORD DefaultPriority;
result_printer->Set(V8_STRING_NEW_UTF8("defaultPriority"), V8_VALUE_NEW(Number, printer->DefaultPriority));
//DWORD cJobs;
//result_printer->Set(V8_STRING_NEW_UTF8("jobs"), V8_VALUE_NEW(Number, printer->cJobs));
//DWORD AveragePPM;
result_printer->Set(V8_STRING_NEW_UTF8("averagePPM"), V8_VALUE_NEW(Number, printer->AveragePPM));
//DWORD StartTime;
if(printer->StartTime > 0)
{
result_printer->Set(V8_STRING_NEW_UTF8("startTime"), V8_VALUE_NEW(Number, printer->StartTime));
}
//DWORD UntilTime;
if(printer->UntilTime > 0)
{
result_printer->Set(V8_STRING_NEW_UTF8("untilTime"), V8_VALUE_NEW(Number, printer->UntilTime));
}
//TODO: to finish to extract all data
//LPDEVMODE pDevMode;
//PSECURITY_DESCRIPTOR pSecurityDescriptor;
if(printer->cJobs > 0)
{
v8::Local<v8::Array> result_printer_jobs = V8_VALUE_NEW_V_0_11_10(Array, printer->cJobs);
// get jobs
std::string error_str = retrieveAndParseJobs(printer->pPrinterName, printer->cJobs, result_printer_jobs, iPrinterHandle);
if(!error_str.empty())
{
return error_str;
}
result_printer->Set(V8_STRING_NEW_UTF8("jobs"), result_printer_jobs);
}
return "";
}
}
MY_NODE_MODULE_CALLBACK(getPrinters)
{
MY_NODE_MODULE_HANDLESCOPE;
DWORD printers_size = 0;
DWORD printers_size_bytes = 0, dummyBytes = 0;
DWORD Level = 2;
DWORD flags = PRINTER_ENUM_LOCAL; // TODO: do we need to enumerate the list of printers to which the user has made previous connections? then add PRINTER_ENUM_CONNECTIONS
// First try to retrieve the number of printers
BOOL bError = EnumPrintersW(flags, NULL, 2, NULL, 0, &printers_size_bytes, &printers_size);
// allocate the required memmory
MemValue<PRINTER_INFO_2W> printers(printers_size_bytes);
if(!printers)
{
RETURN_EXCEPTION_STR("Error on allocating memory for printers");
}
bError = EnumPrintersW(flags, NULL, 2, (LPBYTE)(printers.get()), printers_size_bytes, &dummyBytes, &printers_size);
if(!bError)
{
RETURN_EXCEPTION_STR("Error on EnumPrinters");
}
v8::Local<v8::Array> result = V8_VALUE_NEW_V_0_11_10(Array, printers_size);
// http://msdn.microsoft.com/en-gb/library/windows/desktop/dd162845(v=vs.85).aspx
PRINTER_INFO_2W *printer = printers.get();
DWORD i = 0;
for(; i < printers_size; ++i, ++printer)
{
v8::Local<v8::Object> result_printer = V8_VALUE_NEW_DEFAULT_V_0_11_10(Object);
PrinterHandle printerHandle((LPWSTR)(printer->pPrinterName));
std::string error_str = parsePrinterInfo(printer, result_printer, printerHandle);
if(!error_str.empty())
{
RETURN_EXCEPTION_STR(error_str.c_str());
}
result->Set(i, result_printer);
}
MY_NODE_MODULE_RETURN_VALUE(result);
}
MY_NODE_MODULE_CALLBACK(getPrinter)
{
MY_NODE_MODULE_HANDLESCOPE;
REQUIRE_ARGUMENTS(iArgs, 1);
REQUIRE_ARGUMENT_STRINGW(iArgs, 0, printername);
// Open a handle to the printer.
PrinterHandle printerHandle((LPWSTR)(*printername));
if(!printerHandle)
{
RETURN_EXCEPTION_STR("Printer not found");
}
DWORD printers_size_bytes = 0, dummyBytes = 0;
GetPrinter(*printerHandle, 2, NULL, printers_size_bytes, &printers_size_bytes);
MemValue<PRINTER_INFO_2W> printer(printers_size_bytes);
if(!printer)
{
RETURN_EXCEPTION_STR("Error on allocating memory for printers");
}
BOOL bOK = GetPrinter(*printerHandle, 2, (LPBYTE)(printer.get()), printers_size_bytes, &printers_size_bytes);
if(!bOK)
{
RETURN_EXCEPTION_STR("Error on GetPrinter");
}
v8::Local<v8::Object> result_printer = V8_VALUE_NEW_DEFAULT_V_0_11_10(Object);
std::string error_str = parsePrinterInfo(printer.get(), result_printer, printerHandle);
if(!error_str.empty())
{
RETURN_EXCEPTION_STR(error_str.c_str());
}
MY_NODE_MODULE_RETURN_VALUE(result_printer);
}
MY_NODE_MODULE_CALLBACK(getJob)
{
MY_NODE_MODULE_HANDLESCOPE;
REQUIRE_ARGUMENTS(iArgs, 2);
REQUIRE_ARGUMENT_STRINGW(iArgs, 0, printername);
REQUIRE_ARGUMENT_INTEGER(iArgs, 1, jobId);
if(jobId < 0)
{
RETURN_EXCEPTION_STR("Wrong job number");
}
// Open a handle to the printer.
PrinterHandle printerHandle((LPWSTR)(*printername));
if(!printerHandle)
{
RETURN_EXCEPTION_STR("error on PrinterHandle");
}
DWORD size_bytes = 0, dummyBytes = 0;
GetJobW(*printerHandle, static_cast<DWORD>(jobId), 2, NULL, size_bytes, &size_bytes);
MemValue<JOB_INFO_2W> job(size_bytes);
if(!job)
{
RETURN_EXCEPTION_STR("Error on allocating memory for printers");
}
BOOL bOK = GetJobW(*printerHandle, static_cast<DWORD>(jobId), 2, (LPBYTE)job.get(), size_bytes, &dummyBytes);
if(!bOK)
{
RETURN_EXCEPTION_STR("Error on GetJob. Wrong job id or it was deleted");
}
v8::Local<v8::Object> result_printer_job = V8_VALUE_NEW_DEFAULT_V_0_11_10(Object);
parseJobObject(job.get(), result_printer_job);
MY_NODE_MODULE_RETURN_VALUE(result_printer_job);
}
MY_NODE_MODULE_CALLBACK(setJob)
{
MY_NODE_MODULE_HANDLESCOPE;
REQUIRE_ARGUMENTS(iArgs, 3);
REQUIRE_ARGUMENT_STRINGW(iArgs, 0, printername);
REQUIRE_ARGUMENT_INTEGER(iArgs, 1, jobId);
REQUIRE_ARGUMENT_STRING(iArgs, 2, jobCommandV8);
if(jobId < 0)
{
RETURN_EXCEPTION_STR("Wrong job number");
}
std::string jobCommandStr(*jobCommandV8);
StatusMapType::const_iterator itJobCommand = getJobCommandMap().find(jobCommandStr);
if(itJobCommand == getJobCommandMap().end())
{
RETURN_EXCEPTION_STR("wrong job command. use getSupportedJobCommands to see the possible commands");
}
DWORD jobCommand = itJobCommand->second;
// Open a handle to the printer.
PrinterHandle printerHandle((LPWSTR)(*printername));
if(!printerHandle)
{
RETURN_EXCEPTION_STR("error on PrinterHandle");
}
// TODO: add the possibility to set job properties
// http://msdn.microsoft.com/en-us/library/windows/desktop/dd162978(v=vs.85).aspx
BOOL ok = SetJobW(*printerHandle, (DWORD)jobId, 0, NULL, jobCommand);
MY_NODE_MODULE_RETURN_VALUE(V8_VALUE_NEW_V_0_11_10(Boolean, ok == TRUE));
}
MY_NODE_MODULE_CALLBACK(getSupportedJobCommands)
{
MY_NODE_MODULE_HANDLESCOPE;
v8::Local<v8::Array> result = V8_VALUE_NEW_DEFAULT_V_0_11_10(Array);
int i = 0;
for(StatusMapType::const_iterator itJob = getJobCommandMap().begin(); itJob != getJobCommandMap().end(); ++itJob)
{
result->Set(i++, V8_STRING_NEW_UTF8(itJob->first.c_str()));
}
MY_NODE_MODULE_RETURN_VALUE(result);
}
MY_NODE_MODULE_CALLBACK(getSupportedPrintFormats)
{
MY_NODE_MODULE_HANDLESCOPE;
v8::Local<v8::Array> result = V8_VALUE_NEW_DEFAULT_V_0_11_10(Array);
int i = 0;
result->Set(i++, V8_STRING_NEW_UTF8("RAW"));
result->Set(i++, V8_STRING_NEW_UTF8("TEXT"));
MY_NODE_MODULE_RETURN_VALUE(result);
}
MY_NODE_MODULE_CALLBACK(PrintDirect)
{
MY_NODE_MODULE_HANDLESCOPE;
//TODO: to move in an unique place win and posix input parameters processing
REQUIRE_ARGUMENTS(iArgs, 4);
// can be string or buffer
if(iArgs.Length()<=0)
{
RETURN_EXCEPTION_STR("Argument 0 missing");
}
std::string data;
v8::Handle<v8::Value> arg0(iArgs[0]);
if(arg0->IsString())
{
v8::String::Utf8Value data_str_v8(arg0->ToString());
data.assign(*data_str_v8, data_str_v8.length());
}
else if(arg0->IsObject() && arg0.As<v8::Object>()->HasIndexedPropertiesInExternalArrayData())
{
data.assign(static_cast<char*>(arg0.As<v8::Object>()->GetIndexedPropertiesExternalArrayData()),
arg0.As<v8::Object>()->GetIndexedPropertiesExternalArrayDataLength());
}
else
{
RETURN_EXCEPTION_STR("Argument 0 must be a string or NativeBuffer");
}
REQUIRE_ARGUMENT_STRINGW(iArgs, 1, printername);
REQUIRE_ARGUMENT_STRINGW(iArgs, 2, docname);
REQUIRE_ARGUMENT_STRINGW(iArgs, 3, type);
BOOL bStatus = true;
// Open a handle to the printer.
PrinterHandle printerHandle((LPWSTR)(*printername));
DOC_INFO_1W DocInfo;
DWORD dwJob = 0L;
DWORD dwBytesWritten = 0L;
if (!printerHandle)
{
RETURN_EXCEPTION(v8::String::Concat(V8_STRING_NEW_UTF8("OpenPrinter error: "), iArgs[1]->ToString()));
}
// Fill in the structure with info about this "document."
DocInfo.pDocName = (LPWSTR)(*docname);
DocInfo.pOutputFile = NULL;
DocInfo.pDatatype = (LPWSTR)(*type);
// Inform the spooler the document is beginning.
dwJob = StartDocPrinterW(*printerHandle, 1, (LPBYTE)&DocInfo );
if (dwJob > 0) {
// Start a page.
bStatus = StartPagePrinter(*printerHandle);
if (bStatus) {
// Send the data to the printer.
//TODO: check with sizeof(LPTSTR) is the same as sizeof(char)
bStatus = WritePrinter( *printerHandle, (LPVOID)(data.c_str()), (DWORD)data.size(), &dwBytesWritten);
EndPagePrinter(*printerHandle);
}else{
RETURN_EXCEPTION_STR("StartPagePrinter error");
}
// Inform the spooler that the document is ending.
EndDocPrinter(*printerHandle);
}else{
RETURN_EXCEPTION_STR("StartDocPrinter error");
}
// Check to see if correct number of bytes were written.
if (dwBytesWritten != data.size()) {
RETURN_EXCEPTION_STR("not sent all bytes");
}
MY_NODE_MODULE_RETURN_VALUE(V8_VALUE_NEW(Number, dwJob));
}
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