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Copy pathfiledepend.cpp
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1185 lines (1029 loc) · 25 KB
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#ifdef _WIN32
#include <windows.h>
#include <Shlwapi.h>
#include <shlobj.h>
#else
///////////////////////////////////////////////////////////////////////////////
////// This code is POSIX-style systems ///////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
#include <glob.h>
#include <unistd.h>
#include <stdlib.h>
#include <limits.h>
#include <sys/stat.h>
#endif // _WIN32
#include <assert.h>
#include <sstream>
#include <fstream>
#include <ctype.h>
#include <cstring>
#include <list>
#include <algorithm>
#include "filedepend.h"
#include "path.h"
#include "filelister.h"
unsigned int CFileBase::s_id = 0;
CFileDependTable::CFileDependTable()
{
m_flag = m_begin = NULL;
m_pRoot = NULL;
}
CFileDependTable::~CFileDependTable()
{
delete m_pRoot;
m_flag = m_begin = NULL;
m_pRoot = NULL;
}
bool CFileDependTable::Create(
const std::vector<std::string>& paths,
const std::vector<std::string>& excludesPaths,
const std::vector<std::string>& includePaths)
{
ReleaseTable();
if (!paths.size())
return false;
bool bRet = CreateFileDependTree(paths, includePaths, excludesPaths);
if (!bRet)
{
return false;
}
UpdateIncludes(includePaths);
return true;
}
#ifdef _WIN32
bool CFileDependTable::BuildTable(CFolder* pParent, const std::string& sPath, fp_fileFilter fp)
{
assert(pParent != NULL);
// 如果已经有文件了，需要检查是否重复
bool bCheckExists = (pParent->GetSubs().size() > 0);
std::string strPath(sPath);
std::string strNative = Path::toNativeSeparators(sPath);
std::ostringstream oss;
oss << strNative.c_str();
if (FileLister::isDirectory(strNative))
{
char c = strNative[strNative.size() - 1];
if (c == '\\')
oss << '*';
else
oss << "\\*";
}
WIN32_FIND_DATAA ffd;
HANDLE hFind = FindFirstFileA(oss.str().c_str(), &ffd);
if (INVALID_HANDLE_VALUE == hFind)
return false;
do
{
if (ffd.cFileName[0] == '.' || ffd.cFileName[0] == '\0')
continue;
const char* szFileName = ffd.cFileName;
if (strchr(szFileName, '?'))
{
szFileName = ffd.cAlternateFileName;
}
if ((ffd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) == 0)
{
// File
if ((*fp)(szFileName))
{
CCodeFile* pFile = NULL;
bool bNew = true;
if (bCheckExists)
{
pFile = pParent->AddCodeFile(szFileName, ffd.nFileSizeLow, bNew);
}
else
{
pFile = new CCodeFile(szFileName, ffd.nFileSizeLow);
pParent->AddFile(pFile);
}
if (bNew)
{
if (!m_begin)
{
m_begin = pFile;
}
else
{
m_flag->SetNext(pFile);
}
m_flag = pFile;
std::pair<std::string, CCodeFile*> newPair(std::string(szFileName), pFile);
m_fileDict.insert(newPair);
}
}
}
else
{
// Directory
bool bNew = true;
CFolder* pFolder = NULL;
if (bCheckExists)
{
pFolder = pParent->AddFolder(szFileName, bNew);
}
else
{
pFolder = new CFolder(szFileName);
pParent->AddFile(pFolder);
}
std::string newPath = strPath + "/" + szFileName;
bool bRet = BuildTable(pFolder, newPath, fp);
if (!bRet)
return false;
}
}
while (FindNextFileA(hFind, &ffd) != FALSE);
if (INVALID_HANDLE_VALUE != hFind)
FindClose(hFind);
return true;
}
std::size_t CFileDependTable::GetFileSize(const std::string& sPath)
{
WIN32_FIND_DATAA ffd;
HANDLE hFind = FindFirstFileA(Path::toNativeSeparators(sPath).c_str(), &ffd);
if (INVALID_HANDLE_VALUE == hFind)
return 0;
return ffd.nFileSizeLow;
}
std::string CFileDependTable::getAbsolutePath(const std::string& path)
{
return path;
}
#else
// Get absolute path. Returns empty string if path does not exist or other error.
std::string CFileDependTable::getAbsolutePath(const std::string& path)
{
std::string absolute_path;
#ifdef PATH_MAX
char buf[PATH_MAX];
if (realpath(path.c_str(), buf) != NULL)
absolute_path = buf;
#else
char *dynamic_buf;
if ((dynamic_buf = realpath(path.c_str(), NULL)) != NULL) {
absolute_path = dynamic_buf;
free(dynamic_buf);
}
#endif
return absolute_path;
}
bool CFileDependTable::BuildTable(CFolder* pParent, const std::string& sPath, fp_fileFilter fp)
{
assert(pParent != NULL);
// 如果已经有文件了，需要检查是否重复
bool bCheckExists = (pParent->GetSubs().size() > 0);
std::string strPath(sPath);
std::string strNative = Path::toNativeSeparators(sPath);
std::ostringstream oss;
oss << strNative;
if (strNative.length() > 0)
{
if(strNative[strNative.length()-1] == '/')
{
oss << "*";
}
else
{
oss << "/*";
}
}
glob_t glob_results;
glob(oss.str().c_str(), GLOB_MARK, 0, &glob_results);
for (unsigned int i = 0; i < glob_results.gl_pathc; i++)
{
std::string sFileName = glob_results.gl_pathv[i];
if (sFileName == "." || sFileName == ".." || sFileName.length() == 0)
continue;
// Determine absolute path. Empty filename if path does not exist
const std::string absolute_path = getAbsolutePath(sFileName);
if (absolute_path.empty())
continue;
if (sFileName[sFileName.length()-1] != '/')
{
// File
sFileName = sFileName.substr(sFileName.rfind('/') + 1);
if ((*fp)(sFileName))
{
struct stat sb;
std::size_t fileSize = 0;
if (stat(absolute_path.c_str(), &sb) == 0)
{
fileSize = static_cast<std::size_t>(sb.st_size);
}
CCodeFile* pFile = NULL;
bool bNew = true;
if (bCheckExists)
{
pFile = pParent->AddCodeFile(sFileName, fileSize, bNew);
}
else
{
pFile = new CCodeFile(sFileName.c_str(), fileSize);
pParent->AddFile(pFile);
}
if (bNew)
{
if (!m_begin)
{
m_begin = pFile;
}
else
{
m_flag->SetNext(pFile);
}
m_flag = pFile;
std::pair<std::string, CCodeFile*> newPair(std::string(sFileName), pFile);
m_fileDict.insert(newPair);
}
}
}
else
{
// Directory
std::size_t begin = sFileName.rfind('/', sFileName.length() - 2);
sFileName = sFileName.substr(begin + 1, sFileName.length() - begin - 2);
bool bNew = true;
CFolder* pFolder = NULL;
if (bCheckExists)
{
pFolder = pParent->AddFolder(sFileName, bNew);
}
else
{
pFolder = new CFolder(sFileName.c_str());
pParent->AddFile(pFolder);
}
std::string newPath = strPath + "/" + sFileName;
bool bRet = BuildTable(pFolder, newPath, fp);
if (!bRet)
return false;
}
}
globfree(&glob_results);
return true;
}
std::size_t CFileDependTable::GetFileSize(const std::string& sPath)
{
struct stat sb;
std::size_t fileSize = 0;
if (stat(sPath.c_str(), &sb) == 0)
{
fileSize = static_cast<std::size_t>(sb.st_size);
}
return fileSize;
}
#endif
void CFileDependTable::ReleaseTable()
{
if (m_pRoot)
{
m_flag = m_begin = NULL;
m_fileDict.clear();
m_pRoot->Release();
delete m_pRoot;
m_pRoot = NULL;
}
}
void CFileDependTable::ParseIncludes(CCodeFile* pCode)
{
pCode->GetDepends().clear();
std::vector<std::string> strIncludes;
std::string sFullPath = pCode->GetFullPath();
GetIncludes(Path::toNativeSeparators(sFullPath), strIncludes);
std::vector<std::string>::iterator iterBegin = strIncludes.begin();
std::vector<std::string>::iterator iterEnd = strIncludes.end();
for (std::vector<std::string>::iterator iter = iterBegin; iter != iterEnd; iter++)
{
CCodeFile* pFile = FindMatchedFile(pCode, *iter);
if (pFile)
{
pCode->AddDependFile(pFile);
}
}
return;
}
unsigned char CFileDependTable::ReadChar(std::istream &istr, unsigned int bom)
{
unsigned char ch = (unsigned char)istr.get();
// For UTF-16 encoded files the BOM is 0xfeff/0xfffe. If the
// character is non-ASCII character then replace it with 0xff
if (bom == 0xfeff || bom == 0xfffe) {
unsigned char ch2 = (unsigned char)istr.get();
int ch16 = (bom == 0xfeff) ? (ch << 8 | ch2) : (ch2 << 8 | ch);
ch = (unsigned char)((ch16 >= 0x80) ? 0xff : ch16);
}
// Handling of newlines..
if (ch == '\r') {
ch = '\n';
if (bom == 0 && (char)istr.peek() == '\n')
(void)istr.get();
else if (bom == 0xfeff || bom == 0xfffe) {
int c1 = istr.get();
int c2 = istr.get();
int ch16 = (bom == 0xfeff) ? (c1 << 8 | c2) : (c2 << 8 | c1);
if (ch16 != '\n') {
istr.unget();
istr.unget();
}
}
}
return ch;
}
void CFileDependTable::GetIncludes(const std::string &fileName, std::vector<std::string> &strIncludes)
{
std::ifstream istr(fileName.c_str());
if (!istr.good())
return;
// The UTF-16 BOM is 0xfffe or 0xfeff.
unsigned int bom = 0;
if (istr.peek() >= 0xfe)
{
bom = ((unsigned int)istr.get() << 8);
if (istr.peek() >= 0xfe)
bom |= (unsigned int)istr.get();
}
bool bNewLine = true;
for (unsigned char ch = ReadChar(istr, bom); istr.good(); ch = ReadChar(istr, bom))
{
// Accept only includes that are at the start of a line
if (ch == '#')
{
if (bNewLine == false)
continue;
bNewLine = false;
const char* szInclude = "include";
bool isInclude = true;
for (int i = 0; i < 7; i++)
{
if (szInclude[i] != ReadChar(istr, bom))
{
isInclude = false;
break;
}
}
if (isInclude)
{
// skip spaces
while (istr.good())
{
ch = ReadChar(istr, bom);
if (!isspace(ch))
{
break;
}
}
if (istr.good())
{
if (ch == '"')
{
std::ostringstream oss;
while (istr.good())
{
ch = ReadChar(istr, bom);
if (ch != '"')
{
oss << ch;
}
else
{
break;
}
}
if (oss.str().size())
{
strIncludes.push_back(oss.str());
}
}
}
}
}
else if (ch == '\n')
{
bNewLine = true;
}
else if (isspace(ch))
{
}
else
{
bNewLine = false;
}
}
}
CCodeFile* CFileDependTable::FindMatchedFile(CCodeFile* pFile, std::string sInclude)
{
std::replace(sInclude.begin(), sInclude.end(), '\\', '/');
std::vector<std::string> vecInc;
std::string::size_type begin = 0;
std::string::size_type end = sInclude.find('/', begin);
while (end != std::string::npos)
{
std::string entry = sInclude.substr(begin, end - begin);
if (entry == ".." && vecInc.size() && vecInc.back() != "..")
{
vecInc.pop_back();
}
else
{
vecInc.push_back(entry);
}
begin = end + 1;
end = sInclude.find('/', begin);
}
vecInc.push_back(sInclude.substr(begin, sInclude.size() - begin));
std::string fileName = *vecInc.rbegin();
if (m_fileDict.count(fileName))
{
std::vector<CCodeFile*> vecMatched;
std::pair<
std::multimap<std::string, CCodeFile*>::iterator,
std::multimap<std::string, CCodeFile*>::iterator> p = m_fileDict.equal_range(fileName);
for (std::multimap<std::string, CCodeFile*>::iterator k = p.first; k != p.second; k++)
{
bool bMatch = true;
CFileBase* pNode = k->second;
int index = vecInc.size() - 2;
pNode = pNode->GetParent();
while (index >= 0 && pNode != NULL)
{
if (vecInc[index] == "..")
{
break;
}
if (pNode->GetName() != vecInc[index])
{
bMatch = false;
break;
}
index--;
pNode = pNode->GetParent();
}
if (bMatch)
{
int index2 = index;
CFileBase* pFlag = pFile->GetParent();
// 检查是不是当前目录，如是，用之
while(index2-- >= 0 && pFlag)
{
pFlag = pFlag->GetParent();
}
if (pFlag == pNode)
{
// 为当前目录
return k->second;
}
// 检查是否在include目录
std::vector<CFolder*>::iterator iter = m_includePaths.begin();
std::vector<CFolder*>::iterator iterEnd = m_includePaths.end();
while (iter != iterEnd)
{
index2 = index;
pFlag = pFile->GetParent();
while(index2-- >= 0 && pFlag)
{
pFlag = pFlag->GetParent();
}
if (pFlag == pNode)
{
// 为当前目录
return k->second;
}
iter++;
}
// 不在当前目录
vecMatched.push_back(k->second);
}
}
return FindShortestPath(vecMatched, pFile);
}
return NULL;
}
void CFileDependTable::DumpFileDependResults()
{
std::ofstream ofs;
std::string sPath = GetProgramDirectory();
sPath += "log/fileDependence.log";
CreateLogDirectory();
ofs.open(Path::toNativeSeparators(sPath).c_str(), std::ios_base::trunc);
CCodeFile* pFile = m_begin;
while (pFile != NULL)
{
ofs << Path::toNativeSeparators(pFile->GetFullPath()) << ", " << pFile->GetSize() << ", expanded " << pFile->GetExpandCount() << std::endl;
std::list<CCodeFile*>::iterator iter = pFile->GetAllDepends().begin();
std::list<CCodeFile*>::iterator iterEnd = pFile->GetAllDepends().end();
iterEnd--;
for (;iter != iterEnd;iter++)
{
ofs << "\t\t[" << Path::toNativeSeparators((*iter)->GetFullPath()) << ", " << (*iter)->GetSize() << "]" << std::endl;
}
ofs << std::endl;
pFile = pFile->GetNext();
}
ofs.close();
}
CCodeFile* CFileDependTable::FindShortestPath(const std::vector<CCodeFile*>& vecFiles, CCodeFile* pFile)
{
if (vecFiles.empty())
{
return NULL;
}
if (vecFiles.size() == 1)
{
return vecFiles[0];
}
std::vector<CFileBase*> filePath;
CFileBase* pFlag = pFile;
while (pFlag != NULL)
{
filePath.push_back(pFlag);
pFlag = pFlag->GetParent();
}
std::multimap<int, CCodeFile*> disDict;
std::vector<CCodeFile*>::const_iterator iterBegin = vecFiles.begin();
std::vector<CCodeFile*>::const_iterator iterEnd = vecFiles.end();
for (std::vector<CCodeFile*>::const_iterator iter = iterBegin; iter != iterEnd; iter++)
{
std::vector<CFileBase*> filePath2;
pFlag = *iter;
while (pFlag != NULL)
{
filePath2.push_back(pFlag);
pFlag = pFlag->GetParent();
}
int index = 0;
int minSize = filePath.size() <= filePath2.size() ? filePath.size() : filePath2.size();
while (index < minSize)
{
if (filePath[filePath.size() - 1 - index] != filePath2[filePath2.size() - 1 - index])
{
break;
}
index++;
}
int distance = filePath.size() - index + filePath2.size() - index;
std::pair<int, CCodeFile*> newPair(distance, *iter);
disDict.insert(newPair);
}
return disDict.begin()->second;
}
bool CFileDependTable::CreateFileDependTree(const std::vector<std::string> &paths, const std::vector<std::string> &includePaths, const std::vector<std::string>& excludesPaths)
{
m_pRoot = new CFolder("root");
std::vector<std::string>::const_iterator iterBegin = paths.begin();
std::vector<std::string>::const_iterator iterEnd = paths.end();
for (std::vector<std::string>::const_iterator iter = iterBegin; iter != iterEnd; iter++)
{
std::string sPath = Path::fromNativeSeparators(getAbsolutePath(*iter));
if (!BuildFileDependTree(sPath, Path::acceptFile_H))
{
return false;
}
}
iterBegin = includePaths.begin();
iterEnd = includePaths.end();
for (std::vector<std::string>::const_iterator iter = iterBegin; iter != iterEnd; iter++)
{
std::string sPath = Path::fromNativeSeparators(getAbsolutePath(*iter));
if (!BuildFileDependTree(sPath, Path::isHeader))
{
return false;
}
}
iterBegin = excludesPaths.begin();
iterEnd = excludesPaths.end();
for (std::vector<std::string>::const_iterator iter = iterBegin; iter != iterEnd; iter++)
{
CFileBase* pFile = FindFile(*iter);
if (pFile)
{
pFile->SetIgnore(true);
}
}
return true;
}
void CFileDependTable::UpdateIncludes(const std::vector<std::string>& includePaths)
{
std::vector<std::string>::const_iterator iterBegin = includePaths.begin();
std::vector<std::string>::const_iterator iterEnd = includePaths.end();
for(std::vector<std::string>::const_iterator iter = iterBegin;iter != iterEnd; iter++)
{
CFileBase* pFile = FindFile(*iter);
if (pFile)
{
CFolder* pFolder = dynamic_cast<CFolder*>(pFile);
if (pFolder)
{
m_includePaths.push_back(pFolder);
}
}
}
CCodeFile* pCode = m_begin;
while (pCode)
{
ParseIncludes(pCode);
pCode = pCode->GetNext();
}
}
CCodeFile* CFileDependTable::GetFirstFile()
{
return m_begin;
}
CFileBase* CFileDependTable::FindFile(const std::string& filePath)
{
CFolder* pFolder = m_pRoot;
std::string sPath = Path::fromNativeSeparators(filePath);
// remove last '/' if exists
if (*sPath.rbegin() == '/')
{
sPath = sPath.substr(0, sPath.size() - 1);
}
std::string entry;
std::string::size_type begin = 0;
std::string::size_type end = sPath.find('/', begin);
CFileBase* pFile = NULL;
while (end != std::string::npos)
{
entry = sPath.substr(begin, end - begin);
//if (!entry.empty())
//{
pFile = pFolder->FindFile(entry.c_str());
if (!pFile)
return NULL;
pFolder = dynamic_cast<CFolder*>(pFile);
if (!pFolder)
return NULL;
//}
begin = end + 1;
end = sPath.find('/', begin);
}
entry = sPath.substr(begin, sPath.size() - begin);
return pFolder->FindFile(entry);
}
bool CFileDependTable::BuildFileDependTree(std::string &sPath, fp_fileFilter fp)
{
CFolder* pFolder = m_pRoot;
// remove last '/' if exists
if (*sPath.rbegin() == '/')
{
sPath = sPath.substr(0, sPath.size() - 1);
}
std::string sNative = Path::toNativeSeparators(sPath);
bool bDir = FileLister::isDirectory(sNative);
if (!bDir && (!FileLister::fileExists(sPath) || !(*fp)(sPath)))
return true;
bool bNew = false;
std::string entry;
std::string::size_type begin = 0;
std::string::size_type end = sPath.find('/', begin);
while (end != std::string::npos)
{
entry = sPath.substr(begin, end - begin);
//if (!entry.empty())
//{
pFolder = pFolder->AddFolder(entry.c_str(), bNew);
//}
begin = end + 1;
end = sPath.find('/', begin);
}
entry = sPath.substr(begin, sPath.size() - begin);
if (bDir)
{
pFolder = pFolder->AddFolder(entry.c_str(), bNew);
bool bRet = BuildTable(pFolder, sPath.c_str(), fp);
if (!bRet)
{
ReleaseTable();
return false;
}
}
else
{
std::size_t uSize = GetFileSize(sPath);
CCodeFile* pFile = pFolder->AddCodeFile(entry.c_str(), uSize, bNew);
if (bNew)
{
if (!m_begin)
{
m_begin = pFile;
}
else
{
m_flag->SetNext(pFile);
}
m_flag = pFile;
std::pair<std::string, CCodeFile*> newPair(entry, pFile);
m_fileDict.insert(newPair);
}
}
return true;
}
std::string CFileDependTable::GetProgramDirectory()
{
std::string sPath;
#ifdef WIN32
char szFilePath[MAX_PATH] = {0};
::GetModuleFileNameA(NULL, szFilePath, MAX_PATH );
sPath = Path::simplifyPath(Path::fromNativeSeparators(szFilePath).c_str());
sPath = sPath.substr(0, sPath.rfind('/') + 1);
#else
#define MAX_PATH 0x100
char szFilePath[MAX_PATH];
int cnt = readlink("/proc/self/exe", szFilePath, MAX_PATH);
if (cnt < 0 || cnt >= MAX_PATH)
{
return sPath;
}
for (int i = cnt; i >=0; --i)
{
if (szFilePath[i] == '/')
{
szFilePath[i+1] = '\0';
break;
}
}
sPath = szFilePath;
#endif
return sPath;
}
bool CFileDependTable::CreateLogDirectory(std::string* pLogPath)
{
std::string sPath = GetProgramDirectory();
sPath +="log";
sPath = Path::toNativeSeparators(sPath);
if (pLogPath)
{
pLogPath->assign(sPath.c_str());
}
if (!FileLister::fileExists(sPath))
{
#ifdef WIN32
return (SHCreateDirectoryExA(NULL, sPath.c_str(), NULL) == ERROR_SUCCESS);
#else
mkdir(sPath.c_str(), 0777);
return true;
#endif
}
else
return true;
}
CFileBase::CFileBase()
{
m_fileType = FT_NONE;
m_uID = s_id++;
m_parent = NULL;
m_bIgnore = false;
}
CFileBase::~CFileBase()
{
}
void CFileBase::SetParent(CFolder* pParent)
{
m_parent = pParent;
}
EFileType CFileBase::GetFileType()
{
return m_fileType;
}
const std::string& CFileBase::GetName()
{
return m_name;
}
CFolder* CFileBase::GetParent()
{
return m_parent;
}
std::string CFileBase::GetFullPath()
{
std::string sFullPath = GetName();
CFileBase* pFile = GetParent();
while (pFile && pFile->GetName() != "root")
{
sFullPath = pFile->GetName() + "/" + sFullPath;
pFile = pFile->GetParent();
}
return sFullPath;
}
CFolder::CFolder(const char* szName)
{
m_fileType = FT_FOLDER;
m_name = szName;
}
void CFolder::AddFile(CFileBase* pFile)
{
m_subs.push_back(pFile);
pFile->SetParent(this);
}
CFolder::~CFolder()
{
for (std::vector<CFileBase*>::iterator I = m_subs.begin(), E = m_subs.end(); I != E; ++I)
{
delete *I;
}
m_subs.clear();
}
void CFolder::Release()
{
std::vector<CFileBase*>::iterator iter = m_subs.begin();
for (; iter != m_subs.end(); iter++)
{
if ((*iter)->GetFileType() == FT_FOLDER)
{
CFolder* pFolder = dynamic_cast<CFolder*>(*iter);
if (pFolder)
{
pFolder->Release();
}
delete pFolder;
}
else if ((*iter)->GetFileType() == FT_CODE)
{
delete *iter;
}
}
m_subs.clear();
}
CFileBase* CFolder::FindFile(const std::string& fileName)
{
std::vector<CFileBase*>::iterator iter = m_subs.begin();
std::vector<CFileBase*>::iterator iterEnd = m_subs.end();
while(iter != iterEnd)
{
if ((*iter)->GetName() == fileName)
{
return *iter;
}
iter++;
}
return NULL;
}
CCodeFile* CFolder::AddCodeFile(const std::string& sName, std::size_t uSize, bool& bNew)
{
CCodeFile* pCode = NULL;
CFileBase* pFile = FindFile(sName);
if (pFile && pFile->GetFileType() == FT_CODE)
{
bNew = false;
return dynamic_cast<CCodeFile*>(pFile);
}
else
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