mirror of
https://github.com/Open-Cascade-SAS/OCCT.git
synced 2026-05-25 09:07:26 +08:00
36e781813e
Fix the replacement issue when Standard_CString was replaced to const char* even when it was const. Now "const Standard_CString" is replaced with "const char* const". Only places which were before const Standard_CString is replaced.
415 lines
12 KiB
C++
415 lines
12 KiB
C++
// Created on: 2000-08-21
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// Created by: Andrey BETENEV
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// Copyright (c) 2000-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#include <Message.hxx>
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#include <Message_Messenger.hxx>
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#include <Resource_Manager.hxx>
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#include <ShapeProcess_Context.hxx>
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#include <Standard_ErrorHandler.hxx>
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#include <Standard_Failure.hxx>
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#include <Standard_Type.hxx>
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#include <TCollection_AsciiString.hxx>
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#include <TCollection_HAsciiString.hxx>
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#include <mutex>
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#include <sys/stat.h>
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IMPLEMENT_STANDARD_RTTIEXT(ShapeProcess_Context, Standard_Transient)
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namespace
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{
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static std::mutex& GetShapeProcessMutex()
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{
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static std::mutex THE_SHAPE_PROCESS_MUTEX;
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return THE_SHAPE_PROCESS_MUTEX;
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}
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} // namespace
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//=================================================================================================
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ShapeProcess_Context::ShapeProcess_Context()
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{
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myMessenger = Message::DefaultMessenger();
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myTraceLev = 1;
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}
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//=================================================================================================
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ShapeProcess_Context::ShapeProcess_Context(const char* const file, const char* const scope)
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{
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Init(file, scope);
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myMessenger = Message::DefaultMessenger();
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myTraceLev = 1;
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}
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//=================================================================================================
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bool ShapeProcess_Context::Init(const char* const file, const char* const scope)
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{
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myScope.Nullify();
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if (file != nullptr && strlen(file) != 0)
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{
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myRC = LoadResourceManager(file);
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}
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else
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{
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myRC = new Resource_Manager();
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}
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if (scope && scope[0])
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{
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SetScope(scope);
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}
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return true; // myRC->Length() >0; NOT IMPLEMENTED
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}
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//=================================================================================================
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occ::handle<Resource_Manager> ShapeProcess_Context::LoadResourceManager(const char* const name)
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{
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// Mutex is needed because we are initializing and changing static variables here, so
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// without mutex it leads to race condition.
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std::lock_guard<std::mutex> aLock(GetShapeProcessMutex());
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// Optimisation of loading resource file: file is load only once
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// and reloaded only if file date has changed
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static occ::handle<Resource_Manager> sRC;
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static std::time_t sMtime, sUMtime;
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static TCollection_AsciiString sName;
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struct stat buf;
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std::time_t aMtime(0), aUMtime(0);
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TCollection_AsciiString aPath, aUserPath;
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Resource_Manager::GetResourcePath(aPath, name, false);
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Resource_Manager::GetResourcePath(aUserPath, name, true);
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if (!aPath.IsEmpty())
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{
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stat(aPath.ToCString(), &buf);
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aMtime = (std::time_t)buf.st_mtime;
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}
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if (!aUserPath.IsEmpty())
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{
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stat(aUserPath.ToCString(), &buf);
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aUMtime = (std::time_t)buf.st_mtime;
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}
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bool isFileModified = false;
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if (!sRC.IsNull())
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{
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if (sName.IsEqual(name))
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{
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if (sMtime != aMtime)
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{
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sMtime = aMtime;
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isFileModified = true;
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}
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if (sUMtime != aUMtime)
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{
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sUMtime = aUMtime;
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isFileModified = true;
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}
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if (isFileModified)
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sRC.Nullify();
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}
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else
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sRC.Nullify();
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}
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if (sRC.IsNull())
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{
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#ifdef OCCT_DEBUG
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std::cout << "Info: ShapeProcess_Context: Reload Resource_Manager: " << sName.ToCString()
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<< " -> " << name << std::endl;
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#endif
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sRC = new Resource_Manager(name);
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if (!isFileModified)
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{
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sName = name;
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sMtime = aMtime;
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sUMtime = aUMtime;
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}
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}
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// Creating copy of sRC for thread safety of Resource_Manager variables
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// We should return copy because calling of Resource_Manager::SetResource() for one object
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// in multiple threads causes race condition
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return new Resource_Manager(*sRC);
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}
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//=================================================================================================
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const occ::handle<Resource_Manager>& ShapeProcess_Context::ResourceManager() const
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{
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return myRC;
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}
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//=================================================================================================
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void ShapeProcess_Context::SetScope(const char* const scope)
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{
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if (myScope.IsNull())
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myScope = new NCollection_HSequence<occ::handle<TCollection_HAsciiString>>;
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occ::handle<TCollection_HAsciiString> str;
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if (myScope->Length() > 0)
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{
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str = new TCollection_HAsciiString(myScope->Value(myScope->Length()));
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str->AssignCat(".");
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str->AssignCat(scope);
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}
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else
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str = new TCollection_HAsciiString(scope);
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myScope->Append(str);
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}
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//=================================================================================================
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void ShapeProcess_Context::UnSetScope()
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{
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if (!myScope.IsNull() && myScope->Length() > 0)
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myScope->Remove(myScope->Length());
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}
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//=================================================================================================
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static occ::handle<TCollection_HAsciiString> MakeName(
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const occ::handle<NCollection_HSequence<occ::handle<TCollection_HAsciiString>>>& scope,
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const char* const param)
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{
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occ::handle<TCollection_HAsciiString> str;
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if (!scope.IsNull() && scope->Length() > 0)
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{
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str = new TCollection_HAsciiString(scope->Value(scope->Length())->String());
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str->AssignCat(".");
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str->AssignCat(param);
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}
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else
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str = new TCollection_HAsciiString(param);
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return str;
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}
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bool ShapeProcess_Context::IsParamSet(const char* const param) const
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{
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return !myRC.IsNull() && myRC->Find(MakeName(myScope, param)->ToCString());
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}
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//=================================================================================================
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bool ShapeProcess_Context::GetString(const char* const param, TCollection_AsciiString& str) const
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{
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if (myRC.IsNull())
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return false;
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occ::handle<TCollection_HAsciiString> pname = MakeName(myScope, param);
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if (!myRC->Find(pname->ToCString()))
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{
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#ifdef OCCT_DEBUG
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std::cout << "Warning: ShapeProcess_Context::GetInteger(): Parameter " << pname->ToCString()
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<< " is not defined" << std::endl;
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#endif
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return false;
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}
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str = myRC->Value(pname->ToCString());
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return true;
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}
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//=================================================================================================
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bool ShapeProcess_Context::GetReal(const char* const param, double& val) const
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{
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if (myRC.IsNull())
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return false;
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TCollection_AsciiString str;
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if (!GetString(param, str))
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return false;
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if (str.IsRealValue())
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{
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val = str.RealValue();
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return true;
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}
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// if not real, try to treat as alias "¶m"
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str.LeftAdjust();
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if (str.Value(1) == '&')
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{
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TCollection_AsciiString ref = str.Split(1);
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ref.LeftAdjust();
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ref.RightAdjust();
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if (!myRC->Find(ref.ToCString()))
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{
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#ifdef OCCT_DEBUG
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std::cout << "Warning: ShapeProcess_Context::GetInteger(): Parameter " << ref.ToCString()
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<< " is not defined" << std::endl;
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#endif
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return false;
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}
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str = myRC->Value(ref.ToCString());
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if (str.IsRealValue())
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{
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val = str.RealValue();
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return true;
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}
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}
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#ifdef OCCT_DEBUG
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std::cout << "Warning: ShapeProcess_Context::GetInteger(): Parameter " << param
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<< " is neither Real nor reference to Real";
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#endif
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return false;
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}
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//=================================================================================================
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bool ShapeProcess_Context::GetInteger(const char* const param, int& val) const
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{
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if (myRC.IsNull())
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return false;
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TCollection_AsciiString str;
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if (!GetString(param, str))
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return false;
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if (str.IsIntegerValue())
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{
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val = str.IntegerValue();
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return true;
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}
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// if not integer, try to treat as alias "¶m"
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str.LeftAdjust();
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if (str.Value(1) == '&')
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{
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TCollection_AsciiString ref = str.Split(1);
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ref.LeftAdjust();
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ref.RightAdjust();
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if (!myRC->Find(ref.ToCString()))
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{
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#ifdef OCCT_DEBUG
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std::cout << "Warning: ShapeProcess_Context::GetInteger(): Parameter " << ref.ToCString()
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<< " is not defined" << std::endl;
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#endif
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return false;
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}
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str = myRC->Value(ref.ToCString());
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if (str.IsIntegerValue())
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{
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val = str.IntegerValue();
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return true;
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}
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}
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#ifdef OCCT_DEBUG
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std::cout << "Warning: ShapeProcess_Context::GetInteger(): Parameter " << param
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<< " is neither Integer nor reference to Integer";
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#endif
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return false;
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}
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//=================================================================================================
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bool ShapeProcess_Context::GetBoolean(const char* const param, bool& val) const
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{
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if (myRC.IsNull())
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return false;
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try
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{
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OCC_CATCH_SIGNALS
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val = myRC->Integer(MakeName(myScope, param)->ToCString()) != 0;
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return true;
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}
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catch (Standard_Failure const& anException)
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{
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#ifdef OCCT_DEBUG
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std::cout << "Warning: ShapeProcess_Context::GetInteger(): " << param << ": ";
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anException.Print(std::cout);
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std::cout << std::endl;
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#endif
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(void)anException;
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}
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return false;
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}
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//=================================================================================================
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double ShapeProcess_Context::RealVal(const char* const param, const double def) const
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{
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double val;
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return GetReal(param, val) ? val : def;
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}
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//=================================================================================================
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bool ShapeProcess_Context::BooleanVal(const char* const param, const bool def) const
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{
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bool val;
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return GetBoolean(param, val) ? val : def;
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}
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//=================================================================================================
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int ShapeProcess_Context::IntegerVal(const char* const param, const int def) const
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{
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int val;
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return GetInteger(param, val) ? val : def;
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}
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//=================================================================================================
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const char* ShapeProcess_Context::StringVal(const char* const param, const char* const def) const
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{
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if (myRC.IsNull())
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return def;
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try
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{
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OCC_CATCH_SIGNALS
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return myRC->Value(MakeName(myScope, param)->ToCString());
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}
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catch (Standard_Failure const& anException)
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{
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#ifdef OCCT_DEBUG
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std::cout << "Warning: ShapeProcess_Context::GetInteger(): " << param << ": ";
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anException.Print(std::cout);
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std::cout << std::endl;
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#endif
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(void)anException;
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}
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return def;
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}
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//=================================================================================================
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void ShapeProcess_Context::SetMessenger(const occ::handle<Message_Messenger>& messenger)
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{
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if (messenger.IsNull())
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myMessenger = Message::DefaultMessenger();
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else
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myMessenger = messenger;
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}
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//=================================================================================================
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occ::handle<Message_Messenger> ShapeProcess_Context::Messenger() const
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{
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return myMessenger;
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}
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//=================================================================================================
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void ShapeProcess_Context::SetTraceLevel(const int tracelev)
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{
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myTraceLev = tracelev;
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}
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//=================================================================================================
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int ShapeProcess_Context::TraceLevel() const
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{
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return myTraceLev;
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}
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