| //===-- CFString.cpp --------------------------------------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // Created by Greg Clayton on 1/16/08. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "CFString.h" |
| #include <glob.h> |
| #include <string> |
| |
| //---------------------------------------------------------------------- |
| // CFString constructor |
| //---------------------------------------------------------------------- |
| CFString::CFString(CFStringRef s) : CFReleaser<CFStringRef>(s) {} |
| |
| //---------------------------------------------------------------------- |
| // CFString copy constructor |
| //---------------------------------------------------------------------- |
| CFString::CFString(const CFString &rhs) : CFReleaser<CFStringRef>(rhs) {} |
| |
| //---------------------------------------------------------------------- |
| // CFString copy constructor |
| //---------------------------------------------------------------------- |
| CFString &CFString::operator=(const CFString &rhs) { |
| if (this != &rhs) |
| *this = rhs; |
| return *this; |
| } |
| |
| CFString::CFString(const char *cstr, CFStringEncoding cstr_encoding) |
| : CFReleaser<CFStringRef>() { |
| if (cstr && cstr[0]) { |
| reset( |
| ::CFStringCreateWithCString(kCFAllocatorDefault, cstr, cstr_encoding)); |
| } |
| } |
| |
| //---------------------------------------------------------------------- |
| // Destructor |
| //---------------------------------------------------------------------- |
| CFString::~CFString() {} |
| |
| const char *CFString::GetFileSystemRepresentation(std::string &s) { |
| return CFString::FileSystemRepresentation(get(), s); |
| } |
| |
| CFStringRef CFString::SetFileSystemRepresentation(const char *path) { |
| CFStringRef new_value = NULL; |
| if (path && path[0]) |
| new_value = |
| ::CFStringCreateWithFileSystemRepresentation(kCFAllocatorDefault, path); |
| reset(new_value); |
| return get(); |
| } |
| |
| CFStringRef CFString::SetFileSystemRepresentationFromCFType(CFTypeRef cf_type) { |
| CFStringRef new_value = NULL; |
| if (cf_type != NULL) { |
| CFTypeID cf_type_id = ::CFGetTypeID(cf_type); |
| |
| if (cf_type_id == ::CFStringGetTypeID()) { |
| // Retain since we are using the existing object |
| new_value = (CFStringRef)::CFRetain(cf_type); |
| } else if (cf_type_id == ::CFURLGetTypeID()) { |
| new_value = |
| ::CFURLCopyFileSystemPath((CFURLRef)cf_type, kCFURLPOSIXPathStyle); |
| } |
| } |
| reset(new_value); |
| return get(); |
| } |
| |
| CFStringRef |
| CFString::SetFileSystemRepresentationAndExpandTilde(const char *path) { |
| std::string expanded_path; |
| if (CFString::GlobPath(path, expanded_path)) |
| SetFileSystemRepresentation(expanded_path.c_str()); |
| else |
| reset(); |
| return get(); |
| } |
| |
| const char *CFString::UTF8(std::string &str) { |
| return CFString::UTF8(get(), str); |
| } |
| |
| // Static function that puts a copy of the UTF8 contents of CF_STR into STR and |
| // returns the C string pointer that is contained in STR when successful, else |
| // NULL is returned. This allows the std::string parameter to own the extracted |
| // string, |
| // and also allows that string to be returned as a C string pointer that can be |
| // used. |
| |
| const char *CFString::UTF8(CFStringRef cf_str, std::string &str) { |
| if (cf_str) { |
| const CFStringEncoding encoding = kCFStringEncodingUTF8; |
| CFIndex max_utf8_str_len = CFStringGetLength(cf_str); |
| max_utf8_str_len = |
| CFStringGetMaximumSizeForEncoding(max_utf8_str_len, encoding); |
| if (max_utf8_str_len > 0) { |
| str.resize(max_utf8_str_len); |
| if (!str.empty()) { |
| if (CFStringGetCString(cf_str, &str[0], str.size(), encoding)) { |
| str.resize(strlen(str.c_str())); |
| return str.c_str(); |
| } |
| } |
| } |
| } |
| return NULL; |
| } |
| |
| // Static function that puts a copy of the file system representation of CF_STR |
| // into STR and returns the C string pointer that is contained in STR when |
| // successful, else NULL is returned. This allows the std::string parameter to |
| // own the extracted string, and also allows that string to be returned as a C |
| // string pointer that can be used. |
| |
| const char *CFString::FileSystemRepresentation(CFStringRef cf_str, |
| std::string &str) { |
| if (cf_str) { |
| CFIndex max_length = |
| ::CFStringGetMaximumSizeOfFileSystemRepresentation(cf_str); |
| if (max_length > 0) { |
| str.resize(max_length); |
| if (!str.empty()) { |
| if (::CFStringGetFileSystemRepresentation(cf_str, &str[0], |
| str.size())) { |
| str.erase(::strlen(str.c_str())); |
| return str.c_str(); |
| } |
| } |
| } |
| } |
| str.erase(); |
| return NULL; |
| } |
| |
| CFIndex CFString::GetLength() const { |
| CFStringRef str = get(); |
| if (str) |
| return CFStringGetLength(str); |
| return 0; |
| } |
| |
| const char *CFString::GlobPath(const char *path, std::string &expanded_path) { |
| glob_t globbuf; |
| if (::glob(path, GLOB_TILDE, NULL, &globbuf) == 0) { |
| expanded_path = globbuf.gl_pathv[0]; |
| ::globfree(&globbuf); |
| } else |
| expanded_path.clear(); |
| |
| return expanded_path.c_str(); |
| } |