//===- SearchDirs.cpp -----------------------------------------------------===// // // The MCLinker Project // // This file is distributed under the University of Illinois Open Source // License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// #include <mcld/MC/SearchDirs.h> #include <mcld/MC/MCLDDirectory.h> #include <mcld/Support/FileSystem.h> using namespace mcld; //===----------------------------------------------------------------------===// // Non-member functions static void SpecToFilename(const std::string& pSpec, std::string& pFile) { pFile = "lib"; pFile += pSpec; } //===----------------------------------------------------------------------===// // SearchDirs SearchDirs::SearchDirs() { // a magic number 8, no why. // please prove it or change it m_DirList.reserve(8); } SearchDirs::~SearchDirs() { iterator dir, dirEnd = end(); for (dir = begin(); dir!=dirEnd; ++dir) { delete (*dir); } } void SearchDirs::add(const MCLDDirectory& pDirectory) { m_DirList.push_back(new MCLDDirectory(pDirectory)); } mcld::sys::fs::Path* SearchDirs::find(const std::string& pNamespec, mcld::Input::Type pType) { assert(Input::DynObj == pType || Input::Archive == pType); std::string file; SpecToFilename(pNamespec, file); // for all MCLDDirectorys DirList::iterator mcld_dir, mcld_dir_end = m_DirList.end(); for (mcld_dir=m_DirList.begin(); mcld_dir!=mcld_dir_end; ++mcld_dir) { // for all entries in MCLDDirectory MCLDDirectory::iterator entry = (*mcld_dir)->begin(); MCLDDirectory::iterator enEnd = (*mcld_dir)->end(); switch(pType) { case Input::DynObj: { while (entry!=enEnd) { if (file == entry.path()->stem().native() ) { if(mcld::sys::fs::detail::shared_library_extension == entry.path()->extension().native()) { return entry.path(); } } ++entry; } } /** Fall through **/ case Input::Archive : { entry = (*mcld_dir)->begin(); enEnd = (*mcld_dir)->end(); while ( entry!=enEnd ) { if (file == entry.path()->stem().native() && mcld::sys::fs::detail::static_library_extension == entry.path()->extension().native()) { return entry.path(); } ++entry; } } default: break; } // end of switch } // end of while return NULL; }