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// File: Draw_PloadCommands.cxx
// Created: Thu Oct 9 12:27:26 2003
// Author: Mikhail KUZMITCHEV
// <mkv@russox>
#include <TCollection_AsciiString.hxx>
#include <OSD_Path.hxx>
#include <OSD_Directory.hxx>
#include <OSD_File.hxx>
#include <OSD_Environment.hxx>
#include <Resource_Manager.hxx>
#include <Draw_Interpretor.hxx>
#include <Draw_MapOfAsciiString.hxx>
#include <Draw.hxx>
static Handle(Resource_Manager) myResources;
//=======================================================================
//function : FindPluginFile
//purpose : Searches for the existence of the plugin file according to its name thePluginName:
// - if thePluginName is empty then it defaults to DrawPlugin
// - the search directory is defined according to the variable
// CSF_<filename>Defaults (if it is omitted then it defaults to
// $CASROOT/src/DrawResources)
// - finally existence of the file is verified in the search directory
// - if the file exists but corresponding variable (CSF_...) has not been
// explicitly set, it is forced to (for further reuse by Resource_Manager)
// Returns True if the file exists, otherwise - False.
//=======================================================================
#define FAILSTR "Failed to load plugin: "
//static Standard_Boolean FindPluginFile (TCollection_AsciiString& thePluginName)
static Standard_Boolean FindPluginFile (TCollection_AsciiString& thePluginName, TCollection_AsciiString& aPluginDir)
{
Standard_Boolean aResult = Standard_True;
// check if the file name has been specified and use default value if not
if (thePluginName.IsEmpty()) {
thePluginName += "DrawPlugin";
#ifdef DEB
cout << "Plugin file name has not been specified. Defaults to " << thePluginName.ToCString() << endl;
#endif
}
//TCollection_AsciiString aPluginDir; // the search directory
Standard_Boolean aDirFound = Standard_True, aToSetCSFVariable = Standard_False;
// the order of search : by CSF_<PluginFileName>Defaults and then by CASROOT
TCollection_AsciiString aCSFVariable = TCollection_AsciiString ("CSF_") + thePluginName + "Defaults";
aPluginDir = getenv (aCSFVariable.ToCString());
if (aPluginDir.IsEmpty()) {
// now try by CASROOT
aPluginDir = getenv("CASROOT");
#ifdef OCE_INSTALL_DATA_DIR
if ( aPluginDir.IsEmpty() ) {
aPluginDir = OCE_INSTALL_DATA_DIR;
}
#endif
if ( !aPluginDir.IsEmpty() ) {
aPluginDir +="/src/DrawResources" ;
aToSetCSFVariable = Standard_True; //CSF variable to be set later
} else {
aResult = aDirFound = Standard_False;
cout << FAILSTR "Neither " << aCSFVariable.ToCString() << ", nor CASROOT variables have been set" << endl;
}
}
if (aDirFound) {
// search directory name has been constructed, now check whether it and the file exist
TCollection_AsciiString aPluginFileName = aPluginDir + "/" + thePluginName;
OSD_File PluginFile ( aPluginFileName );
if ( PluginFile.Exists() ) {
if (aToSetCSFVariable) {
OSD_Environment aCSFVarEnv ( aCSFVariable, aPluginDir );
aCSFVarEnv.Build();
#ifdef DEB
cout << "Variable " << aCSFVariable.ToCString() << " has not been explicitly defined. Set to " << aPluginDir.ToCString() << endl;
#endif
if ( aCSFVarEnv.Failed() ) {
aResult = Standard_False;
cout << FAILSTR "Failed to initialize " << aCSFVariable.ToCString() << " with " << aPluginDir.ToCString() << endl;
}
}
} else {
aResult = Standard_False;
cout << FAILSTR "File " << aPluginFileName.ToCString() << " not found" << endl;
}
}
return aResult;
}
//=======================================================================
//function : Parse
//purpose : Parse the input keys to atomic keys (<key> --> <akey>[<akey> ..])
//=======================================================================
static void Parse (Draw_MapOfAsciiString& theMap)
{
Draw_MapOfAsciiString aMap, aMap2;
Standard_Integer j, k;
Standard_Integer aMapExtent, aMap2Extent;
aMapExtent = theMap.Extent();
for(j = 1; j <= aMapExtent; j++) {
if (!myResources.IsNull()) {
const TCollection_AsciiString& aKey = theMap.FindKey(j);
TCollection_AsciiString aResource = aKey;
if(myResources->Find(aResource.ToCString())) {
#ifdef DEB
cout << "Parse Value ==> " << myResources->Value(aResource.ToCString()) << endl;
#endif
TCollection_AsciiString aValue(myResources->Value(aResource.ToCString()));
// parse aValue string
Standard_Integer i=1;
for(;;) {
TCollection_AsciiString aCurKey = aValue.Token(" \t,", i++);
#ifdef DEB
cout << "Parse aCurKey = " << aCurKey.ToCString() << endl;
#endif
if(aCurKey.IsEmpty()) break;
if(!myResources->Find(aCurKey.ToCString())) {
// It is toolkit
aMap.Add(aResource);
}
else
aMap2.Add(aCurKey);
}
} else
cout <<"Pload : Resource = " << aResource << " is not found" << endl;
if(!aMap2.IsEmpty())
Parse(aMap2);
//
aMap2Extent = aMap2.Extent();
for(k = 1; k <= aMap2Extent; k++) {
aMap.Add(aMap2.FindKey(k));
}
}
}
theMap.Assign(aMap);
}
//=======================================================================
//function : Pload
//purpose :
//=======================================================================
static Standard_Integer Pload (Draw_Interpretor& di,
Standard_Integer n,
const char** argv)
{
char adef[] = "-";
TCollection_AsciiString aPluginFileName("");
TCollection_AsciiString aPluginDir(""), aPluginDir2("");
Standard_Integer aStart = 0;
Standard_Integer aFinish = n - 1;
if (n == 1) {
// Load DEFAULT key
aStart = 0;
} else {
if(argv[1][0] == adef[0]) {
aPluginFileName = argv[1];
aPluginFileName.Remove(1,1);
if (n == 2) {
// Load DEFAULT key from aPluginFileName file
aStart = 0;
aFinish = n - 2;
} else {
aStart = 2;
}
} else {
aStart = 1;
}
}
//if ( !FindPluginFile (aPluginFileName) ) {
if ( !FindPluginFile (aPluginFileName, aPluginDir) ) {
return 1;
}
Draw_MapOfAsciiString aMap;
TCollection_AsciiString aDEFAULT("DEFAULT");
//for(Standard_Integer i = aStart; i < n; i++)
for(Standard_Integer i = aStart; i <= aFinish; i++)
if (i == 0) {
// Load DEFAULT key
aMap.Add(aDEFAULT);
} else {
TCollection_AsciiString aTK(argv[i]);
aMap.Add(aTK);
}
//myResources = new Resource_Manager(aPluginFileName.ToCString());
myResources = new Resource_Manager(aPluginFileName.ToCString(), aPluginDir, aPluginDir2, Standard_False);
Parse(aMap);
Standard_Integer j;
Standard_Integer aMapExtent;
aMapExtent = aMap.Extent();
for(j = 1; j <= aMapExtent; j++) {
const TCollection_AsciiString& aKey = aMap.FindKey(j);
TCollection_AsciiString aResource = aKey;
#ifdef DEB
cout << "aResource = " << aResource << endl;
#endif
if(myResources->Find(aResource.ToCString())) {
const TCollection_AsciiString& aValue = myResources->Value(aResource.ToCString());
#ifdef DEB
cout << "Value ==> " << aValue << endl;
#endif
//Draw::Load(di, aKey, aPluginFileName);
Draw::Load(di, aKey, aPluginFileName, aPluginDir, aPluginDir2, Standard_False);
// Load TclScript
TCollection_AsciiString aCSFVariable ("CSF_DrawPluginTclDir");
TCollection_AsciiString aTclScriptDir;
aTclScriptDir = getenv (aCSFVariable.ToCString());
TCollection_AsciiString aTclScriptFileName;
TCollection_AsciiString aTclScriptFileNameDefaults;
aTclScriptFileName = aTclScriptDir + "/" + aValue + ".tcl";
aTclScriptFileNameDefaults = aPluginDir + "/" + aValue + ".tcl";
OSD_File aTclScriptFile ( aTclScriptFileName );
OSD_File aTclScriptFileDefaults ( aTclScriptFileNameDefaults );
if (!aTclScriptDir.IsEmpty() && aTclScriptFile.Exists()) {
#ifdef DEB
cout << "Load " << aTclScriptFileName << " TclScript" << endl;
#endif
di.EvalFile( aTclScriptFileName.ToCString() );
} else if (!aPluginDir.IsEmpty() && aTclScriptFileDefaults.Exists()) {
#ifdef DEB
cout << "Load " << aTclScriptFileNameDefaults << " TclScript" << endl;
#endif
di.EvalFile( aTclScriptFileNameDefaults.ToCString() );
}
} else
cout <<"Pload : Resource = " << aResource << " is not found" << endl;
}
return 0;
}
//=======================================================================
//function : PloadCommands
//purpose :
//=======================================================================
void Draw::PloadCommands(Draw_Interpretor& theCommands)
{
static Standard_Boolean Done = Standard_False;
if (Done) return;
Done = Standard_True;
const char* g = "Draw Plugin";
theCommands.Add("pload" , "pload [-PluginFilename] [[Key1] [Key2] ...]: Loads Draw plugins " ,
__FILE__, Pload, g);
}
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