/Users/buildslave/jenkins/workspace/coverage/llvm-project/lldb/source/Host/macosx/cfcpp/CFCString.cpp
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1 | | //===-- CFCString.cpp -----------------------------------------------------===// |
2 | | // |
3 | | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
4 | | // See https://llvm.org/LICENSE.txt for license information. |
5 | | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
6 | | // |
7 | | //===----------------------------------------------------------------------===// |
8 | | |
9 | | #include "CFCString.h" |
10 | | #include <glob.h> |
11 | | #include <string> |
12 | | |
13 | | // CFCString constructor |
14 | 2 | CFCString::CFCString(CFStringRef s) : CFCReleaser<CFStringRef>(s) {} |
15 | | |
16 | | // CFCString copy constructor |
17 | 0 | CFCString::CFCString(const CFCString &rhs) = default; |
18 | | |
19 | | // CFCString copy constructor |
20 | 0 | CFCString &CFCString::operator=(const CFCString &rhs) { |
21 | 0 | if (this != &rhs) |
22 | 0 | *this = rhs; |
23 | 0 | return *this; |
24 | 0 | } |
25 | | |
26 | | CFCString::CFCString(const char *cstr, CFStringEncoding cstr_encoding) |
27 | 10 | : CFCReleaser<CFStringRef>() { |
28 | 10 | if (cstr && cstr[0]) { |
29 | 10 | reset( |
30 | 10 | ::CFStringCreateWithCString(kCFAllocatorDefault, cstr, cstr_encoding)); |
31 | 10 | } |
32 | 10 | } |
33 | | |
34 | | // Destructor |
35 | 12 | CFCString::~CFCString() = default; |
36 | | |
37 | 0 | const char *CFCString::GetFileSystemRepresentation(std::string &s) { |
38 | 0 | return CFCString::FileSystemRepresentation(get(), s); |
39 | 0 | } |
40 | | |
41 | 2 | CFStringRef CFCString::SetFileSystemRepresentation(const char *path) { |
42 | 2 | CFStringRef new_value = NULL; |
43 | 2 | if (path && path[0]) |
44 | 2 | new_value = |
45 | 2 | ::CFStringCreateWithFileSystemRepresentation(kCFAllocatorDefault, path); |
46 | 2 | reset(new_value); |
47 | 2 | return get(); |
48 | 2 | } |
49 | | |
50 | | CFStringRef |
51 | 0 | CFCString::SetFileSystemRepresentationFromCFType(CFTypeRef cf_type) { |
52 | 0 | CFStringRef new_value = NULL; |
53 | 0 | if (cf_type != NULL) { |
54 | 0 | CFTypeID cf_type_id = ::CFGetTypeID(cf_type); |
55 | |
|
56 | 0 | if (cf_type_id == ::CFStringGetTypeID()) { |
57 | | // Retain since we are using the existing object |
58 | 0 | new_value = (CFStringRef)::CFRetain(cf_type); |
59 | 0 | } else if (cf_type_id == ::CFURLGetTypeID()) { |
60 | 0 | new_value = |
61 | 0 | ::CFURLCopyFileSystemPath((CFURLRef)cf_type, kCFURLPOSIXPathStyle); |
62 | 0 | } |
63 | 0 | } |
64 | 0 | reset(new_value); |
65 | 0 | return get(); |
66 | 0 | } |
67 | | |
68 | | CFStringRef |
69 | 0 | CFCString::SetFileSystemRepresentationAndExpandTilde(const char *path) { |
70 | 0 | std::string expanded_path; |
71 | 0 | if (CFCString::ExpandTildeInPath(path, expanded_path)) |
72 | 0 | SetFileSystemRepresentation(expanded_path.c_str()); |
73 | 0 | else |
74 | 0 | reset(); |
75 | 0 | return get(); |
76 | 0 | } |
77 | | |
78 | 0 | const char *CFCString::UTF8(std::string &str) { |
79 | 0 | return CFCString::UTF8(get(), str); |
80 | 0 | } |
81 | | |
82 | | // Static function that puts a copy of the UTF8 contents of CF_STR into STR and |
83 | | // returns the C string pointer that is contained in STR when successful, else |
84 | | // NULL is returned. This allows the std::string parameter to own the extracted |
85 | | // string, |
86 | | // and also allows that string to be returned as a C string pointer that can be |
87 | | // used. |
88 | | |
89 | 0 | const char *CFCString::UTF8(CFStringRef cf_str, std::string &str) { |
90 | 0 | if (cf_str) { |
91 | 0 | const CFStringEncoding encoding = kCFStringEncodingUTF8; |
92 | 0 | CFIndex max_utf8_str_len = CFStringGetLength(cf_str); |
93 | 0 | max_utf8_str_len = |
94 | 0 | CFStringGetMaximumSizeForEncoding(max_utf8_str_len, encoding); |
95 | 0 | if (max_utf8_str_len > 0) { |
96 | 0 | str.resize(max_utf8_str_len); |
97 | 0 | if (!str.empty()) { |
98 | 0 | if (CFStringGetCString(cf_str, &str[0], str.size(), encoding)) { |
99 | 0 | str.resize(strlen(str.c_str())); |
100 | 0 | return str.c_str(); |
101 | 0 | } |
102 | 0 | } |
103 | 0 | } |
104 | 0 | } |
105 | 0 | return NULL; |
106 | 0 | } |
107 | | |
108 | | const char *CFCString::ExpandTildeInPath(const char *path, |
109 | 0 | std::string &expanded_path) { |
110 | 0 | glob_t globbuf; |
111 | 0 | if (::glob(path, GLOB_TILDE, NULL, &globbuf) == 0) { |
112 | 0 | expanded_path = globbuf.gl_pathv[0]; |
113 | 0 | ::globfree(&globbuf); |
114 | 0 | } else |
115 | 0 | expanded_path.clear(); |
116 | |
|
117 | 0 | return expanded_path.c_str(); |
118 | 0 | } |
119 | | |
120 | | // Static function that puts a copy of the file system representation of CF_STR |
121 | | // into STR and returns the C string pointer that is contained in STR when |
122 | | // successful, else NULL is returned. This allows the std::string parameter to |
123 | | // own the extracted string, and also allows that string to be returned as a C |
124 | | // string pointer that can be used. |
125 | | |
126 | | const char *CFCString::FileSystemRepresentation(CFStringRef cf_str, |
127 | 18 | std::string &str) { |
128 | 18 | if (cf_str) { |
129 | 18 | CFIndex max_length = |
130 | 18 | ::CFStringGetMaximumSizeOfFileSystemRepresentation(cf_str); |
131 | 18 | if (max_length > 0) { |
132 | 18 | str.resize(max_length); |
133 | 18 | if (!str.empty()) { |
134 | 18 | if (::CFStringGetFileSystemRepresentation(cf_str, &str[0], |
135 | 18 | str.size())) { |
136 | 18 | str.erase(::strlen(str.c_str())); |
137 | 18 | return str.c_str(); |
138 | 18 | } |
139 | 18 | } |
140 | 18 | } |
141 | 18 | } |
142 | 0 | str.erase(); |
143 | 0 | return NULL; |
144 | 18 | } |
145 | | |
146 | 0 | CFIndex CFCString::GetLength() const { |
147 | 0 | CFStringRef str = get(); |
148 | 0 | if (str) |
149 | 0 | return CFStringGetLength(str); |
150 | 0 | return 0; |
151 | 0 | } |