1 //===-- SBFileSpec.cpp ------------------------------------------*- C++ -*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #include <inttypes.h> // PRIu64
11 #include <limits.h>
12 
13 #include "lldb/API/SBFileSpec.h"
14 #include "lldb/API/SBStream.h"
15 #include "lldb/Host/FileSpec.h"
16 #include "lldb/Core/Log.h"
17 #include "lldb/Core/Stream.h"
18 
19 #include "llvm/ADT/SmallString.h"
20 
21 using namespace lldb;
22 using namespace lldb_private;
23 
24 
25 
26 SBFileSpec::SBFileSpec () :
27     m_opaque_ap(new lldb_private::FileSpec())
28 {
29 }
30 
31 SBFileSpec::SBFileSpec (const SBFileSpec &rhs) :
32     m_opaque_ap(new lldb_private::FileSpec(*rhs.m_opaque_ap))
33 {
34 }
35 
36 SBFileSpec::SBFileSpec (const lldb_private::FileSpec& fspec) :
37     m_opaque_ap(new lldb_private::FileSpec(fspec))
38 {
39 }
40 
41 // Deprecated!!!
42 SBFileSpec::SBFileSpec (const char *path) :
43     m_opaque_ap(new FileSpec (path, true))
44 {
45 }
46 
47 SBFileSpec::SBFileSpec (const char *path, bool resolve) :
48     m_opaque_ap(new FileSpec (path, resolve))
49 {
50 }
51 
52 SBFileSpec::~SBFileSpec ()
53 {
54 }
55 
56 const SBFileSpec &
57 SBFileSpec::operator = (const SBFileSpec &rhs)
58 {
59     if (this != &rhs)
60         *m_opaque_ap = *rhs.m_opaque_ap;
61     return *this;
62 }
63 
64 bool
65 SBFileSpec::IsValid() const
66 {
67     return m_opaque_ap->operator bool();
68 }
69 
70 bool
71 SBFileSpec::Exists () const
72 {
73     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
74 
75     bool result = m_opaque_ap->Exists();
76 
77     if (log)
78         log->Printf ("SBFileSpec(%p)::Exists () => %s",
79                      static_cast<void*>(m_opaque_ap.get()),
80                      (result ? "true" : "false"));
81 
82     return result;
83 }
84 
85 bool
86 SBFileSpec::ResolveExecutableLocation ()
87 {
88     return m_opaque_ap->ResolveExecutableLocation ();
89 }
90 
91 int
92 SBFileSpec::ResolvePath (const char *src_path, char *dst_path, size_t dst_len)
93 {
94     llvm::SmallString<64> result(src_path);
95     lldb_private::FileSpec::Resolve (result);
96     ::snprintf(dst_path, dst_len, "%s", result.c_str());
97     return std::min(dst_len-1, result.size());
98 }
99 
100 const char *
101 SBFileSpec::GetFilename() const
102 {
103     const char *s = m_opaque_ap->GetFilename().AsCString();
104 
105     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
106     if (log)
107     {
108         if (s)
109             log->Printf ("SBFileSpec(%p)::GetFilename () => \"%s\"",
110                          static_cast<void*>(m_opaque_ap.get()), s);
111         else
112             log->Printf ("SBFileSpec(%p)::GetFilename () => NULL",
113                          static_cast<void*>(m_opaque_ap.get()));
114     }
115 
116     return s;
117 }
118 
119 const char *
120 SBFileSpec::GetDirectory() const
121 {
122     FileSpec directory{*m_opaque_ap};
123     directory.GetFilename().Clear();
124     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
125     if (log)
126     {
127         if (directory)
128             log->Printf ("SBFileSpec(%p)::GetDirectory () => \"%s\"",
129                          static_cast<void*>(m_opaque_ap.get()), directory.GetCString());
130         else
131             log->Printf ("SBFileSpec(%p)::GetDirectory () => NULL",
132                          static_cast<void*>(m_opaque_ap.get()));
133     }
134     return directory.GetCString();
135 }
136 
137 void
138 SBFileSpec::SetFilename(const char *filename)
139 {
140     if (filename && filename[0])
141         m_opaque_ap->GetFilename().SetCString(filename);
142     else
143         m_opaque_ap->GetFilename().Clear();
144 }
145 
146 void
147 SBFileSpec::SetDirectory(const char *directory)
148 {
149     if (directory && directory[0])
150         m_opaque_ap->GetDirectory().SetCString(directory);
151     else
152         m_opaque_ap->GetDirectory().Clear();
153 }
154 
155 uint32_t
156 SBFileSpec::GetPath (char *dst_path, size_t dst_len) const
157 {
158     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
159 
160     uint32_t result = m_opaque_ap->GetPath (dst_path, dst_len);
161 
162     if (log)
163         log->Printf ("SBFileSpec(%p)::GetPath (dst_path=\"%.*s\", dst_len=%" PRIu64 ") => %u",
164                      static_cast<void*>(m_opaque_ap.get()), result, dst_path,
165                      static_cast<uint64_t>(dst_len), result);
166 
167     if (result == 0 && dst_path && dst_len > 0)
168         *dst_path = '\0';
169     return result;
170 }
171 
172 
173 const lldb_private::FileSpec *
174 SBFileSpec::operator->() const
175 {
176     return m_opaque_ap.get();
177 }
178 
179 const lldb_private::FileSpec *
180 SBFileSpec::get() const
181 {
182     return m_opaque_ap.get();
183 }
184 
185 
186 const lldb_private::FileSpec &
187 SBFileSpec::operator*() const
188 {
189     return *m_opaque_ap.get();
190 }
191 
192 const lldb_private::FileSpec &
193 SBFileSpec::ref() const
194 {
195     return *m_opaque_ap.get();
196 }
197 
198 
199 void
200 SBFileSpec::SetFileSpec (const lldb_private::FileSpec& fs)
201 {
202     *m_opaque_ap = fs;
203 }
204 
205 bool
206 SBFileSpec::GetDescription (SBStream &description) const
207 {
208     Stream &strm = description.ref();
209     char path[PATH_MAX];
210     if (m_opaque_ap->GetPath(path, sizeof(path)))
211         strm.PutCString (path);
212     return true;
213 }
214 
215 void
216 SBFileSpec::AppendPathComponent (const char *fn)
217 {
218     m_opaque_ap->AppendPathComponent (fn);
219 }
220