imgtools/imgcheck/libimgutils/src/dirreader.cpp
changeset 0 044383f39525
child 590 360bd6b35136
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/imgtools/imgcheck/libimgutils/src/dirreader.cpp	Tue Oct 27 16:36:35 2009 +0000
@@ -0,0 +1,387 @@
+/*
+* Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: 
+*
+*/
+
+
+/**
+ @file
+ @internalComponent
+ @released
+*/
+
+#include "dirreader.h"
+#include "e32reader.h"
+
+#ifdef __LINUX__
+#include <dirent.h>
+#include <sys/stat.h>
+#else
+#include <io.h>
+#include <direct.h>
+#endif
+
+#define MAXPATHLEN 255
+
+/** 
+Constructor.
+
+@internalComponent
+@released
+*/
+DirReader::DirReader(char* aDirName)
+:ImageReader(aDirName)
+{
+}
+
+/** 
+Destructor.
+
+@internalComponent
+@released
+*/
+DirReader::~DirReader(void)
+{
+	ExeVsE32ImageMap::iterator begin = iExeVsE32ImageMap.begin();
+	ExeVsE32ImageMap::iterator end = iExeVsE32ImageMap.end();
+	while(begin != end)
+	{
+		DELETE(begin->second);
+		++begin;
+	}
+	iExeVsE32ImageMap.clear();
+}
+
+/** 
+Function to check whether the node is an executable or not.
+
+@internalComponent
+@released
+
+@param aName - Executable name
+*/
+bool DirReader::IsExecutable(String aName)
+{
+	unsigned int strPos = aName.find_last_of('.');
+	if(strPos != String::npos)
+	{
+		aName = aName.substr(strPos);
+		if(aName.length() <= 4)
+		{
+			ReaderUtil::ToLower(aName);
+			if (aName.find(".exe") != String::npos || aName.find(".dll") != String::npos ||
+				aName.find(".prt") != String::npos || aName.find(".nif") != String::npos ||
+				aName.find(".pdl") != String::npos || aName.find(".csy") != String::npos || 
+				aName.find(".agt") != String::npos || aName.find(".ani") != String::npos || 
+				aName.find(".loc") != String::npos || aName.find(".drv") != String::npos || 
+				aName.find(".pdd") != String::npos || aName.find(".ldd") != String::npos ||
+				aName.find(".tsy") != String::npos || aName.find(".fsy") != String::npos ||
+				aName.find(".fxt") != String::npos)
+			{
+				return true;
+			}
+		}
+	}
+	return false;
+}
+
+/** 
+Dummy function to be compatible with other Readers.
+
+@internalComponent
+@released
+*/
+void DirReader::ReadImage(void)
+{
+}
+
+/** 
+Function to 
+1. Preserve the present working directory
+2. Invoke the function which reads the directory entires recursively.
+3. Go back to the original directory.
+
+@internalComponent
+@released
+*/
+void DirReader::ProcessImage()
+{
+	char* cwd = new char[MAXPATHLEN];
+	getcwd(cwd,MAXPATHLEN);
+	ReadDir(iImgFileName);
+	chdir(cwd);
+	if(cwd != NULL)
+		delete [] cwd;
+	cwd = 0;
+}
+
+/** 
+Function to 
+1. Read the directory entires recursively.
+2. Prepare the ExeVsE32ImageMap.
+
+@internalComponent
+@released
+
+@param aPath - Directory name.
+*/
+void DirReader::ReadDir(String aPath)
+{
+	int handle;
+	int retVal = 0; 
+	E32Image* e32Image = KNull;
+
+#ifdef __LINUX__
+	DIR* dirEntry = opendir( aPath.c_str());
+	static struct dirent* dirPtr;
+	while ((dirPtr= readdir(dirEntry)) != NULL)
+	{
+		if ((strcmp(dirPtr->d_name, KChildDir.c_str()) == 0) || 
+			(strcmp(dirPtr->d_name, KParentDir.c_str()) == 0)) 
+			continue; // current dir || parent dir
+
+		String fullName( aPath + "/" + dirPtr->d_name );
+		
+		struct stat fileEntrybuf;
+		int retVal = stat((char*)fullName.c_str(), &fileEntrybuf);
+		if(retVal >= 0)
+		{
+			if(S_ISDIR(fileEntrybuf.st_mode)) //Is Directory?
+			{
+				ReadDir(fullName);
+			}
+			else if(S_ISREG(fileEntrybuf.st_mode)) //Is regular file?
+			{
+				if ((fileEntrybuf.st_blksize > 0) && IsExecutable(String(dirPtr->d_name)) && E32Image::IsE32ImageFile((char*)fullName.c_str()))
+				{
+					iExeAvailable = true;
+					e32Image = new E32Image();
+					Ifstream inputStream((char*)fullName.c_str(), Ios::binary | Ios::in);
+					inputStream.seekg(0, Ios::end);
+					TUint32 aSz = inputStream.tellg();
+					inputStream.seekg(0, Ios::beg);
+					e32Image->iFileSize=aSz;
+					e32Image->Adjust(aSz);
+					inputStream >> *e32Image;
+					String exeName(dirPtr->d_name);
+					ReaderUtil::ToLower(exeName);
+					if(iExeVsE32ImageMap.find(exeName) != iExeVsE32ImageMap.end())
+					{
+						cout << "Warning: "<< "Duplicate entry '" << dirPtr->d_name << " '"<< endl;
+						continue;
+					}
+					iExeVsE32ImageMap.insert(std::make_pair(exeName, e32Image));
+					iExecutableList.push_back(exeName);
+				}
+				else
+				{
+					cout << "Warning: "<< dirPtr->d_name << " is not a valid E32 executable" << endl;
+				}
+			}
+		}
+	}
+	closedir(dirEntry);
+
+#else
+	retVal = chdir(aPath.c_str());
+	struct _finddata_t  finder;
+	handle = _findfirst("*.*", &finder);
+	while (retVal == 0)
+	{
+		if ((strcmp(finder.name, KChildDir.c_str()) == 0) || 
+			(strcmp(finder.name, KParentDir.c_str()) == 0) ) // current dir || parent dir  
+		{
+			retVal = _findnext(handle, &finder);
+			continue;
+		}
+
+		if (finder.attrib & _A_SUBDIR)
+		{
+			ReadDir(finder.name);
+			chdir(KParentDir.c_str());
+		}
+		else
+		{
+			if ((finder.size > 0) && IsExecutable(String(finder.name)) && E32Image::IsE32ImageFile(finder.name))
+			{
+				e32Image = new E32Image();
+				Ifstream inputStream(finder.name, Ios::binary | Ios::in);
+				iExeAvailable = true;
+				e32Image->iFileSize=finder.size;
+				e32Image->Adjust(finder.size);
+				inputStream >> *e32Image;
+				String exeName(finder.name);
+				ReaderUtil::ToLower(exeName);
+				if(iExeVsE32ImageMap.find(exeName) != iExeVsE32ImageMap.end())
+				{
+					cout << "Warning: "<< "Duplicate entry '" << finder.name << " '"<< endl;
+					retVal = _findnext(handle, &finder);
+					continue;
+				}
+				iExeVsE32ImageMap.insert(std::make_pair(exeName, e32Image));
+				iExecutableList.push_back(exeName);
+			}
+			else
+			{
+				cout << "Warning: "<< finder.name << " is not a valid E32 executable" << endl;
+			}
+		}
+		retVal = _findnext(handle,&finder);
+	}
+#endif
+}
+
+/** 
+Function to traverse through ExeVsE32ImageMap and prepare ExeVsIdData map.
+
+@internalComponent
+@released
+*/
+void DirReader::PrepareExeVsIdMap(void)
+{
+	ExeVsE32ImageMap::iterator begin = iExeVsE32ImageMap.begin();
+	ExeVsE32ImageMap::iterator end = iExeVsE32ImageMap.end();
+	String exeName;
+	E32Image* e32Image = KNull;
+	IdData* id = KNull;
+	if(iExeVsIdData.size() == 0) //Is not already prepared
+	{
+		while(begin != end)
+		{
+			exeName = begin->first;
+			e32Image = begin->second;
+			id = new IdData;
+			id->iUid = e32Image->iOrigHdr->iUid1;
+			id->iDbgFlag = (e32Image->iOrigHdr->iFlags & KImageDebuggable)? true : false;
+			TUint aHeaderFmt = E32ImageHeader::HdrFmtFromFlags(e32Image->iOrigHdr->iFlags);
+			if (aHeaderFmt >= KImageHdrFmt_V)
+			{
+				E32ImageHeaderV* v = e32Image->iHdr;
+				id->iSid = v->iS.iSecureId;
+				id->iVid = v->iS.iVendorId;
+				id->iFileOffset = 0;//Entry read from directory input, has no offset.
+			}
+			iExeVsIdData[exeName] = id;
+			++begin;
+		}
+	}
+	id = KNull;
+}
+
+/** 
+Function to return ExeVsIdData map.
+
+@internalComponent
+@released
+
+@return returns iExeVsIdData.
+*/
+const ExeVsIdDataMap& DirReader::GetExeVsIdMap() const
+{
+	return iExeVsIdData;
+}
+
+/** 
+Function responsible to gather dependencies for all the executables using the container iExeVsE32ImageMap.
+
+@internalComponent
+@released
+
+@return iImageVsDepList - returns all executable's dependencies
+*/
+ExeNamesVsDepListMap& DirReader::GatherDependencies()
+{
+	ExeVsE32ImageMap::iterator begin = iExeVsE32ImageMap.begin();
+	ExeVsE32ImageMap::iterator end = iExeVsE32ImageMap.end();
+
+	StringList executableList;
+	while(begin != end)
+	{
+		PrepareExeDependencyList((*begin).second, executableList);
+		iImageVsDepList.insert(std::make_pair((*begin).first, executableList));
+		executableList.clear();
+		++begin;
+	}
+	return iImageVsDepList;
+}
+
+/** 
+Function responsible to prepare the dependency list.
+
+@internalComponent
+@released
+
+@param - aE32Image, Using this, can get all the information about the executable
+@param - aExecutableList, Excutables placed into this list
+*/
+void DirReader::PrepareExeDependencyList(E32Image* aE32Image, StringList& aExecutableList)
+{
+	int count = 0;
+	char** nameList = aE32Image->GetImportExecutableNames(count);
+	int i = 0;
+	String dependency;
+	for(; i < count; ++i)
+	{
+		dependency.assign(nameList[i]);
+		aExecutableList.push_back(ReaderUtil::ToLower(dependency));
+	}
+	DELETE(nameList);
+}
+
+/** 
+Function to identify the given path as file or directory
+
+@internalComponent
+@released
+
+@param - aStr, path name
+@return - retuns the either Directory, file or Unknown.
+*/
+EImageType DirReader::EntryType(char* aStr)
+{
+	int strLength = strlen(aStr);
+	if(aStr[strLength - 1] == '\\' || aStr[strLength - 1] == '/')
+	{
+		aStr[strLength - 1] = KNull;
+	}
+	int retVal = 0;
+	#ifdef __LINUX__
+		struct stat fileEntrybuf;
+		retVal = stat(aStr, &fileEntrybuf);
+		if(retVal >= 0)
+		{
+			if(S_ISDIR(fileEntrybuf.st_mode))
+			{
+	#else
+		struct _finddata_t  finder;
+		retVal = _findfirst(aStr, &finder);
+		if(retVal > 0) //No error
+		{
+			if(finder.attrib & _A_SUBDIR)
+			{
+	#endif
+				return EE32Directoy;
+			}
+			else
+			{
+				if(E32Reader::IsE32Image(aStr) == true)
+				{
+					return EE32File;
+				}
+			}
+		}
+
+	return EE32InputNotExist;
+}