diff options
Diffstat (limited to 'source/Host/macosx/cfcpp/CFCString.cpp')
-rw-r--r-- | source/Host/macosx/cfcpp/CFCString.cpp | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/source/Host/macosx/cfcpp/CFCString.cpp b/source/Host/macosx/cfcpp/CFCString.cpp new file mode 100644 index 0000000000000..81a96b824999c --- /dev/null +++ b/source/Host/macosx/cfcpp/CFCString.cpp @@ -0,0 +1,195 @@ +//===-- CFCString.cpp -------------------------------------------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#include "CFCString.h" +#include <string> +#include <glob.h> + +//---------------------------------------------------------------------- +// CFCString constructor +//---------------------------------------------------------------------- +CFCString::CFCString(CFStringRef s) : + CFCReleaser<CFStringRef> (s) +{ +} + +//---------------------------------------------------------------------- +// CFCString copy constructor +//---------------------------------------------------------------------- +CFCString::CFCString(const CFCString& rhs) : + CFCReleaser<CFStringRef> (rhs) +{ + +} + +//---------------------------------------------------------------------- +// CFCString copy constructor +//---------------------------------------------------------------------- +CFCString& +CFCString::operator=(const CFCString& rhs) +{ + if (this != &rhs) + *this = rhs; + return *this; +} + +CFCString::CFCString (const char *cstr, CFStringEncoding cstr_encoding) : + CFCReleaser<CFStringRef> () +{ + if (cstr && cstr[0]) + { + reset(::CFStringCreateWithCString(kCFAllocatorDefault, cstr, cstr_encoding)); + } +} + +//---------------------------------------------------------------------- +// Destructor +//---------------------------------------------------------------------- +CFCString::~CFCString() +{ +} + +const char * +CFCString::GetFileSystemRepresentation(std::string& s) +{ + return CFCString::FileSystemRepresentation(get(), s); +} + +CFStringRef +CFCString::SetFileSystemRepresentation (const char *path) +{ + CFStringRef new_value = NULL; + if (path && path[0]) + new_value = ::CFStringCreateWithFileSystemRepresentation (kCFAllocatorDefault, path); + reset(new_value); + return get(); +} + + +CFStringRef +CFCString::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 +CFCString::SetFileSystemRepresentationAndExpandTilde (const char *path) +{ + std::string expanded_path; + if (CFCString::ExpandTildeInPath(path, expanded_path)) + SetFileSystemRepresentation(expanded_path.c_str()); + else + reset(); + return get(); +} + +const char * +CFCString::UTF8(std::string& str) +{ + return CFCString::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 * +CFCString::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; +} + +const char* +CFCString::ExpandTildeInPath(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(); +} + +// 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 * +CFCString::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 +CFCString::GetLength() const +{ + CFStringRef str = get(); + if (str) + return CFStringGetLength (str); + return 0; +} |