/**
* Hide a layer.
*
* @param[in] [1]
* The name of the layer to hide.
* @param[in] WINDOW @opt
* The name of the window. Defaults to the active window.
* @rsof
* @usage print,hide_layer("raster.tif")
* @endusage
*/
IDL_VPTR hide_layer(int argc, IDL_VPTR pArgv[], char* pArgk)
{
IDL_VPTR idlPtr;
typedef struct
{
IDL_KW_RESULT_FIRST_FIELD;
int windowExists;
IDL_STRING windowName;
} KW_RESULT;
//IDL_KW_FAST_SCAN is the type of scan we are using, following it is the
//name of the keyword, followed by the type, the mask(which should be 1),
//flags, a boolean whether the value was populated and finally the value itself
static IDL_KW_PAR kw_pars[] = {
IDL_KW_FAST_SCAN,
{"WINDOW", IDL_TYP_STRING, 1, 0, reinterpret_cast<int*>(IDL_KW_OFFSETOF(windowExists)),
reinterpret_cast<char*>(IDL_KW_OFFSETOF(windowName))},
{NULL}
};
IdlFunctions::IdlKwResource<KW_RESULT> kw(argc, pArgv, pArgk, kw_pars, 0, 1);
std::string windowName;
std::string layerName;
if (kw->windowExists)
{
windowName = IDL_STRING_STR(&kw->windowName);
}
bool bSuccess = false;
if (argc < 1)
{
IDL_Message(IDL_M_GENERIC, IDL_MSG_RET, "function takes a layer name as a parameter with "
"'window' as an optional keyword.");
return IDL_StrToSTRING("failure");
}
//the layer name as a parameter
layerName = IDL_VarGetString(pArgv[0]);
SpatialDataView* pView = dynamic_cast<SpatialDataView*>(IdlFunctions::getViewByWindowName(windowName));
if (pView != NULL)
{
Layer* pLayer = IdlFunctions::getLayerByName(windowName, layerName, false);
if (pLayer != NULL)
{
pView->hideLayer(pLayer);
bSuccess = true;
}
}
if (bSuccess)
{
idlPtr = IDL_StrToSTRING("success");
}
else
{
idlPtr = IDL_StrToSTRING("failure");
}
return idlPtr;
}
/**
* Get the name of the layer in a given position in the layer list.
*
* @param[in] INDEX @opt
* The 0 based index of the layer. Defaults to the top most layer.
* @param[in] WINDOW @opt
* The name of the window. Defaults to the active window.
* @return The name of the layer.
* @usage print,get_layer_name(2, WINDOW="Window 1")
* @endusage
*/
IDL_VPTR get_layer_name(int argc, IDL_VPTR pArgv[], char* pArgk)
{
typedef struct
{
IDL_KW_RESULT_FIRST_FIELD;
int windowExists;
IDL_STRING windowName;
int indexExists;
IDL_LONG index;
} KW_RESULT;
//IDL_KW_FAST_SCAN is the type of scan we are using, following it is the
//name of the keyword, followed by the type, the mask(which should be 1),
//flags, a boolean whether the value was populated and finally the value itself
static IDL_KW_PAR kw_pars[] = {
IDL_KW_FAST_SCAN,
{"INDEX", IDL_TYP_LONG, 1, 0, reinterpret_cast<int*>(IDL_KW_OFFSETOF(indexExists)),
reinterpret_cast<char*>(IDL_KW_OFFSETOF(index))},
{"WINDOW", IDL_TYP_STRING, 1, 0, reinterpret_cast<int*>(IDL_KW_OFFSETOF(windowExists)),
reinterpret_cast<char*>(IDL_KW_OFFSETOF(windowName))},
{NULL}
};
IdlFunctions::IdlKwResource<KW_RESULT> kw(argc, pArgv, pArgk, kw_pars, 0, 1);
std::string windowName;
int index = -1;
std::string name;
if (kw->indexExists)
{
index = kw->index;
}
if (kw->windowExists)
{
windowName = IDL_STRING_STR(&kw->windowName);
}
if (argc < 0)
{
IDL_Message(IDL_M_GENERIC, IDL_MSG_RET, "Invalid arguments");
return IDL_StrToSTRING("");
}
Layer* pLayer = IdlFunctions::getLayerByIndex(windowName, index);
if (pLayer != NULL)
{
name = pLayer->getName();
}
return IDL_StrToSTRING(const_cast<char*>(name.c_str()));
}
static IDL_VPTR IDL_CDECL IDL_mg_tout_pop(int argc, IDL_VPTR *argv) {
char *output;
IDL_VPTR result;
IDL_ToutPop();
if (outf_buffer_size == 0) {
fclose(outf_fp);
return IDL_GettmpLong(-1);
} else {
output = (char *) malloc(outf_buffer_loc);
strncpy(output, outf_buffer, outf_buffer_loc);
output[outf_buffer_loc - 1] = '\0';
free(outf_buffer);
outf_buffer_loc = 0;
outf_buffer_size = 0;
result = IDL_StrToSTRING(output);
free(output);
return(result);
}
}
/*
name = MG_NET_HOST2NAME([host])
Converts the unsigned long host value into an string hostname. If [host]
is not specified, the local hostname is returned.
*/
static IDL_VPTR IDL_CDECL mg_net_host2name(int argc, IDL_VPTR argv[], char *argk) {
struct in_addr addr;
struct hostent *hp;
char host_name[256];
if (argc == 0) {
if (gethostname(host_name, 256) == -1) {
host_name[0] = '\0';
}
return (IDL_StrToSTRING(host_name));
} else {
addr.s_addr = IDL_ULongScalar(argv[0]);
hp = gethostbyaddr((char *)&addr, sizeof(struct in_addr), AF_INET);
if (!hp) return (IDL_StrToSTRING(""));
}
return (IDL_StrToSTRING(hp->h_name));
}
// char *IDL_TypeNameFunc(int type)
static IDL_VPTR IDL_CDECL IDL_IDL_TypeNameFunc(int argc, IDL_VPTR *argv, char *argk) {
char *result;
IDL_ENSURE_SIMPLE(argv[0]);
IDL_ENSURE_SCALAR(argv[0])
MG_ENSURE_TYPE(argv[0], IDL_TYP_LONG, "int type")
result = (char *) IDL_TypeNameFunc(argv[0]->value.l); // int type
return IDL_StrToSTRING(result);
}
/*
err = MG_NET_RECVVAR(socket, variable)
Reads an IDL variable from the socket in the form written by MG_NET_SENDVAR.
The complete variable is reconstructed. See MG_NET_SENDVAR for more details.
*/
static IDL_VPTR IDL_CDECL mg_net_recvvar(int argc, IDL_VPTR argv[], char *argk) {
IDL_LONG i, iRet;
IDL_LONG swab = 0;
i_var var;
IDL_VPTR vpTmp;
char *pbuffer;
i = IDL_LongScalar(argv[0]);
if ((i < 0) || (i >= MAX_SOCKETS)) return (IDL_GettmpLong(-1));
if (net_list[i].iState != NET_IO) return (IDL_GettmpLong(-1));
IDL_EXCLUDE_EXPR(argv[1]);
/* read the header */
iRet = recv_packet(net_list[i].socket, &var,sizeof(i_var));
if (iRet == -1) return (IDL_GettmpLong(-1));
if (var.token == SWAPTOKEN) {
mg_byteswap(&var, sizeof(i_var), sizeof(IDL_LONG));
swab = 1;
}
if (var.token != TOKEN) return (IDL_GettmpLong(-1));
/* allocate the variable */
if (var.type == IDL_TYP_STRING) {
vpTmp = IDL_StrToSTRING("");
IDL_StrEnsureLength(&(vpTmp->value.str), var.len);
vpTmp->value.str.slen = var.len - 1;
pbuffer = vpTmp->value.str.s;
memset(pbuffer, 0x20, var.len-1);
pbuffer[var.len] = '\0';
IDL_VarCopy(vpTmp, argv[1]);
} else if (var.ndims != 0) {
pbuffer = IDL_MakeTempArray(var.type, var.ndims, var.dims, IDL_BARR_INI_NOP, &vpTmp);
IDL_VarCopy(vpTmp, argv[1]);
} else {
vpTmp = IDL_GettmpLong(0);
IDL_VarCopy(vpTmp, argv[1]);
IDL_StoreScalarZero(argv[1], var.type);
pbuffer = &(argv[1]->value.c);
}
/* read the data */
iRet = recv_packet(net_list[i].socket, pbuffer, var.len);
if (iRet == -1) return (IDL_GettmpLong(-1));
if (swab) {
int swapsize = var.len / var.nelts;
if ((var.type == IDL_TYP_COMPLEX)
|| (var.type == IDL_TYP_DCOMPLEX)) {
swapsize /= 2;
}
mg_byteswap(pbuffer, var.len, swapsize);
}
return (IDL_GettmpLong(1));
}
static void IDL_CDECL IDL_mg_print(int argc, IDL_VPTR *argv, char *argk) {
int nargs;
char *format, *cformat;
IDL_VPTR origFormat, vcformat;
typedef struct {
IDL_KW_RESULT_FIRST_FIELD;
IDL_VPTR format;
int format_present;
} KW_RESULT;
static IDL_KW_PAR kw_pars[] = {
{ "FORMAT", IDL_TYP_STRING, 1, IDL_KW_VIN,
IDL_KW_OFFSETOF(format_present), IDL_KW_OFFSETOF(format) },
{ NULL }
};
KW_RESULT kw;
nargs = IDL_KWProcessByOffset(argc, argv, argk, kw_pars, NULL, 1, &kw);
if (kw.format_present) {
origFormat = argv[argc - 1];
format = IDL_VarGetString(origFormat);
cformat = (char *) calloc(strlen(format) + 5 + 1, sizeof(char));
sprintf(cformat, "(%%\"%s\")", format);
vcformat = IDL_StrToSTRING(cformat);
argv[argc - 1] = vcformat;
}
IDL_Print(argc, argv, argk);
if (kw.format_present) {
argv[argc - 1] = origFormat;
IDL_Deltmp(vcformat);
free(cformat);
}
IDL_KW_FREE;
}
/**
* Get the name of the current data element or window.
*
* @param[in] DATASET @opt
* This flag gets the primary data element name of the currently active window.
* This is the default.
* @param[in] FILE @opt
* This flag gets the currently active window's primary data element's file name.
* @param[in] WINDOW @opt
* This flag gets the name of the currently active window.
* @return The name of the element.
* @usage print,get_current_name(/FILE)
* @endusage
*/
IDL_VPTR get_current_name(int argc, IDL_VPTR pArgv[], char* pArgk)
{
typedef struct
{
IDL_KW_RESULT_FIRST_FIELD;
int datasetExists;
IDL_LONG dataset;
int fileExists;
IDL_LONG file;
int windowExists;
IDL_LONG window;
} KW_RESULT;
//IDL_KW_FAST_SCAN is the type of scan we are using, following it is the
//name of the keyword, followed by the type, the mask(which should be 1),
//flags, a boolean whether the value was populated and finally the value itself
static IDL_KW_PAR kw_pars[] = {
IDL_KW_FAST_SCAN,
{"DATASET", IDL_TYP_INT, 1, 0, reinterpret_cast<int*>(IDL_KW_OFFSETOF(datasetExists)),
reinterpret_cast<char*>(IDL_KW_OFFSETOF(dataset))},
{"FILE", IDL_TYP_INT, 1, 0, reinterpret_cast<int*>(IDL_KW_OFFSETOF(fileExists)),
reinterpret_cast<char*>(IDL_KW_OFFSETOF(file))},
{"WINDOW", IDL_TYP_INT, 1, 0, reinterpret_cast<int*>(IDL_KW_OFFSETOF(windowExists)),
reinterpret_cast<char*>(IDL_KW_OFFSETOF(window))},
{NULL}
};
IdlFunctions::IdlKwResource<KW_RESULT> kw(argc, pArgv, pArgk, kw_pars, 0, 1);
std::string filename;
std::string wizardName;
int file = 0;
int dataset = 0;
int window = 0;
if (kw->datasetExists)
{
if (kw->dataset != 0)
{
dataset = 1;
}
}
else if (kw->fileExists)
{
if (kw->file != 0)
{
file = 1;
}
}
else if (kw->windowExists)
{
if (kw->window != 0)
{
window = 1;
}
}
else
{
dataset = 1;
}
RasterElement* pElement = IdlFunctions::getDataset("");
if (pElement == NULL)
{
IDL_Message(IDL_M_GENERIC, IDL_MSG_RET, "Opticks was unable to determine the current in memory dataset.");
return IDL_StrToSTRING("");
}
std::string name;
if (dataset != 0)
{
// get the name of the RasterElement if dataset
name = pElement->getName();
}
else if (file)
{
// get the filename associated with the RasterElement
name = pElement->getFilename();
}
else
{
// get the window name
Service<DesktopServices>()->getCurrentWorkspaceWindowName(name);
}
return IDL_StrToSTRING(const_cast<char*>(name.c_str()));
}
/**
* Get the names of all the data elements which are children of the primary raster element.
*
* @param[in] WINDOW @opt
* The name of the window. Defaults to the active window.
* @return An array of data element names or the string "failure" if an error occurred.
* @usage names = get_data_element_names()
* @endusage
*/
IDL_VPTR get_data_element_names(int argc, IDL_VPTR pArgv[], char* pArgk)
{
typedef struct
{
IDL_KW_RESULT_FIRST_FIELD;
int windowExists;
IDL_STRING windowName;
} KW_RESULT;
//IDL_KW_FAST_SCAN is the type of scan we are using, following it is the
//name of the keyword, followed by the type, the mask(which should be 1),
//flags, a boolean whether the value was populated and finally the value itself
static IDL_KW_PAR kw_pars[] = {
IDL_KW_FAST_SCAN,
{"WINDOW", IDL_TYP_STRING, 1, 0, reinterpret_cast<int*>(IDL_KW_OFFSETOF(windowExists)),
reinterpret_cast<char*>(IDL_KW_OFFSETOF(windowName))},
{NULL}
};
IdlFunctions::IdlKwResource<KW_RESULT> kw(argc, pArgv, pArgk, kw_pars, 0, 1);
std::string windowName;
std::string name;
bool bSuccess = false;
IDL_VPTR idlPtr;
unsigned int total = 0;
IDL_STRING* pStrarr = NULL;
if (kw->windowExists)
{
windowName = IDL_STRING_STR(&kw->windowName);
}
SpatialDataWindow* pWindow = NULL;
if (windowName.empty())
{
pWindow = dynamic_cast<SpatialDataWindow*>(Service<DesktopServices>()->getCurrentWorkspaceWindow());
}
else
{
pWindow = dynamic_cast<SpatialDataWindow*>(
Service<DesktopServices>()->getWindow(windowName, SPATIAL_DATA_WINDOW));
}
if (pWindow != NULL)
{
SpatialDataView* pView = pWindow->getSpatialDataView();
if (pView != NULL)
{
LayerList* pList = pView->getLayerList();
if (pList != NULL)
{
RasterElement* pElement = pList->getPrimaryRasterElement();
if (pElement != NULL)
{
std::vector<std::string> names = Service<ModelServices>()->getElementNames(pElement, "");
total = names.size();
if (total > 0)
{
pStrarr = reinterpret_cast<IDL_STRING*>(malloc(total * sizeof(IDL_STRING)));
for (unsigned int i=0; i < total; ++i)
{
IDL_StrStore(&(pStrarr[i]), const_cast<char*>(names[i].c_str()));
}
bSuccess = true;
}
}
}
}
}
else if (windowName == "all")
{
std::vector<std::string> names = Service<ModelServices>()->getElementNames("RasterElement");
total = names.size();
if (total > 0)
{
pStrarr = reinterpret_cast<IDL_STRING*>(malloc(total* sizeof(IDL_STRING)));
for (unsigned int i=0; i < total; ++i)
{
IDL_StrStore(&(pStrarr[i]), const_cast<char*>(names[i].c_str()));
}
bSuccess = true;
}
}
if (!bSuccess)
{
IDL_Message(IDL_M_GENERIC, IDL_MSG_RET, "No elements matched.");
return IDL_StrToSTRING("failure");
}
IDL_MEMINT dims[] = {total};
idlPtr = IDL_ImportArray(1, dims, IDL_TYP_STRING, reinterpret_cast<UCHAR*>(pStrarr),
reinterpret_cast<IDL_ARRAY_FREE_CB>(free), NULL);
return idlPtr;
}
/**
* Get the data element name of a specified layer.
*
* @param[in] [1] @opt
* The name of the layer. Defaults to the top most layer.
* @param[in] WINDOW @opt
* The name of the window. Defaults to the active window.
* @param[in] DATASET @opt
* If \p [1] is not specified and this flag it set, get the
* data set name of the top most raster layer.
* @return The name of the data element.
* @usage print,get_data_name(/DATASET)
* @endusage
*/
IDL_VPTR get_data_name(int argc, IDL_VPTR pArgv[], char* pArgk)
{
typedef struct
{
IDL_KW_RESULT_FIRST_FIELD;
int windowExists;
IDL_STRING windowName;
int datasetExists;
IDL_LONG dataset;
} KW_RESULT;
//IDL_KW_FAST_SCAN is the type of scan we are using, following it is the
//name of the keyword, followed by the type, the mask(which should be 1),
//flags, a boolean whether the value was populated and finally the value itself
static IDL_KW_PAR kw_pars[] = {
IDL_KW_FAST_SCAN,
{"DATASET", IDL_TYP_INT, 1, 0, reinterpret_cast<int*>(IDL_KW_OFFSETOF(datasetExists)),
reinterpret_cast<char*>(IDL_KW_OFFSETOF(dataset))},
{"WINDOW", IDL_TYP_STRING, 1, 0, reinterpret_cast<int*>(IDL_KW_OFFSETOF(windowExists)),
reinterpret_cast<char*>(IDL_KW_OFFSETOF(windowName))},
{NULL}
};
IdlFunctions::IdlKwResource<KW_RESULT> kw(argc, pArgv, pArgk, kw_pars, 0, 1);
std::string windowName;
std::string layerName;
std::string name;
if (kw->windowExists)
{
windowName = IDL_STRING_STR(&kw->windowName);
}
//retrieve the layer name passed in as a parameter
if (argc >= 1)
{
layerName = IDL_VarGetString(pArgv[0]);
}
//get the layer
bool datasets = false;
if (kw->datasetExists)
{
if (kw->dataset != 0)
{
datasets = true;
}
}
Layer* pLayer = IdlFunctions::getLayerByName(windowName, layerName, datasets);
if (pLayer != NULL)
{
//get the spectral element of the layer and return its name
DataElement* pElement = pLayer->getDataElement();
if (pElement != NULL)
{
name = pElement->getName();
}
}
else
{
IDL_Message(IDL_M_GENERIC, IDL_MSG_RET, "the layer name passed into get_data_name "
"was invalid.");
return IDL_StrToSTRING("");
}
return IDL_StrToSTRING(const_cast<char*>(name.c_str()));
}
// const char *mysql_info(MYSQL *mysql)
static IDL_VPTR IDL_mg_mysql_info(int argc, IDL_VPTR *argv) {
const char *info = mysql_info((MYSQL *)argv[0]->value.ptrint);
return IDL_StrToSTRING(info);
}
// const char * STDCALL mysql_get_client_info(void);
static IDL_VPTR IDL_mg_mysql_get_client_info(int argc, IDL_VPTR *argv) {
const char *info = mysql_get_client_info();
return IDL_StrToSTRING(info);
}
// not part of mysql.h, but needed to access the C fields
// typedef char **MYSQL_ROW;
static IDL_VPTR IDL_mg_mysql_get_field(int argc, IDL_VPTR *argv) {
MYSQL_ROW row = (MYSQL_ROW) argv[0]->value.ptrint;
IDL_ULONG field_index = IDL_ULongScalar(argv[1]);
char *field = row[field_index];
return IDL_StrToSTRING(field);
}
// const char * STDCALL mysql_error(MYSQL *mysql);
static IDL_VPTR IDL_mg_mysql_error(int argc, IDL_VPTR *argv) {
const char *msg = mysql_error((MYSQL *)argv[0]->value.ptrint);
return IDL_StrToSTRING(msg);
}
static IDL_VPTR IDL_CDECL IDL_mg_zlib_version(int argc, IDL_VPTR *argv) {
return(IDL_StrToSTRING(ZLIB_VERSION));
}
