forked from danmar/cppcheck
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathpath.cpp
More file actions
251 lines (216 loc) · 6.87 KB
/
path.cpp
File metadata and controls
251 lines (216 loc) · 6.87 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2021 Cppcheck team.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#if defined(__GNUC__) && (defined(_WIN32) || defined(__CYGWIN__))
#undef __STRICT_ANSI__
#endif
#include "path.h"
#include "utils.h"
#include <algorithm>
#include <cctype>
#include <cstdlib>
#include <fstream>
#ifndef _WIN32
#include <unistd.h>
#else
#include <direct.h>
#endif
#if defined(__CYGWIN__)
#include <strings.h>
#endif
#include <simplecpp.h>
/** Is the filesystem case insensitive? */
static bool caseInsensitiveFilesystem()
{
#ifdef _WIN32
return true;
#else
// TODO: Non-windows filesystems might be case insensitive
return false;
#endif
}
std::string Path::toNativeSeparators(std::string path)
{
#if defined(_WIN32)
const char separ = '/';
const char native = '\\';
#else
const char separ = '\\';
const char native = '/';
#endif
std::replace(path.begin(), path.end(), separ, native);
return path;
}
std::string Path::fromNativeSeparators(std::string path)
{
const char nonnative = '\\';
const char newsepar = '/';
std::replace(path.begin(), path.end(), nonnative, newsepar);
return path;
}
std::string Path::simplifyPath(std::string originalPath)
{
return simplecpp::simplifyPath(originalPath);
}
std::string Path::getPathFromFilename(const std::string &filename)
{
const std::size_t pos = filename.find_last_of("\\/");
if (pos != std::string::npos)
return filename.substr(0, 1 + pos);
return "";
}
bool Path::sameFileName(const std::string &fname1, const std::string &fname2)
{
return caseInsensitiveFilesystem() ? (caseInsensitiveStringCompare(fname1, fname2) == 0) : (fname1 == fname2);
}
// This wrapper exists because Sun's CC does not allow a static_cast
// from extern "C" int(*)(int) to int(*)(int).
static int tolowerWrapper(int c)
{
return std::tolower(c);
}
std::string Path::removeQuotationMarks(std::string path)
{
path.erase(std::remove(path.begin(), path.end(), '\"'), path.end());
return path;
}
std::string Path::getFilenameExtension(const std::string &path)
{
const std::string::size_type dotLocation = path.find_last_of('.');
if (dotLocation == std::string::npos)
return "";
std::string extension = path.substr(dotLocation);
if (caseInsensitiveFilesystem()) {
// on a case insensitive filesystem the case doesn't matter so
// let's return the extension in lowercase
std::transform(extension.begin(), extension.end(), extension.begin(), tolowerWrapper);
}
return extension;
}
std::string Path::getFilenameExtensionInLowerCase(const std::string &path)
{
std::string extension = getFilenameExtension(path);
std::transform(extension.begin(), extension.end(), extension.begin(), tolowerWrapper);
return extension;
}
std::string Path::getCurrentPath()
{
char currentPath[4096];
#ifndef _WIN32
if (getcwd(currentPath, 4096) != nullptr)
#else
if (_getcwd(currentPath, 4096) != nullptr)
#endif
return std::string(currentPath);
return emptyString;
}
bool Path::isAbsolute(const std::string& path)
{
const std::string& nativePath = toNativeSeparators(path);
#ifdef _WIN32
if (path.length() < 2)
return false;
// On Windows, 'C:\foo\bar' is an absolute path, while 'C:foo\bar' is not
if (nativePath.compare(0, 2, "\\\\") == 0 || (std::isalpha(nativePath[0]) != 0 && nativePath.compare(1, 2, ":\\") == 0))
return true;
#else
if (!nativePath.empty() && nativePath[0] == '/')
return true;
#endif
return false;
}
std::string Path::getRelativePath(const std::string& absolutePath, const std::vector<std::string>& basePaths)
{
for (const std::string &bp : basePaths) {
if (absolutePath == bp || bp.empty()) // Seems to be a file, or path is empty
continue;
if (absolutePath.compare(0, bp.length(), bp) != 0)
continue;
if (endsWith(bp,'/'))
return absolutePath.substr(bp.length());
else if (absolutePath.size() > bp.size() && absolutePath[bp.length()] == '/')
return absolutePath.substr(bp.length() + 1);
}
return absolutePath;
}
bool Path::isC(const std::string &path)
{
// In unix, ".C" is considered C++ file
const std::string extension = getFilenameExtension(path);
return extension == ".c" ||
extension == ".cl";
}
bool Path::isCPP(const std::string &path)
{
const std::string extension = getFilenameExtensionInLowerCase(path);
return extension == ".cpp" ||
extension == ".cxx" ||
extension == ".cc" ||
extension == ".c++" ||
extension == ".hpp" ||
extension == ".hxx" ||
extension == ".hh" ||
extension == ".tpp" ||
extension == ".txx" ||
extension == ".ipp" ||
extension == ".ixx" ||
getFilenameExtension(path) == ".C"; // In unix, ".C" is considered C++ file
}
bool Path::acceptFile(const std::string &path, const std::set<std::string> &extra)
{
return !Path::isHeader(path) && (Path::isCPP(path) || Path::isC(path) || extra.find(getFilenameExtension(path)) != extra.end());
}
bool Path::isHeader(const std::string &path)
{
const std::string extension = getFilenameExtensionInLowerCase(path);
return (extension.compare(0, 2, ".h") == 0);
}
std::string Path::getAbsoluteFilePath(const std::string& filePath)
{
std::string absolute_path;
#ifdef _WIN32
char absolute[_MAX_PATH];
if (_fullpath(absolute, filePath.c_str(), _MAX_PATH))
absolute_path = absolute;
#elif defined(__linux__) || defined(__sun) || defined(__hpux) || defined(__GNUC__) || defined(__CPPCHECK__)
char * absolute = realpath(filePath.c_str(), nullptr);
if (absolute)
absolute_path = absolute;
free(absolute);
#else
#error Platform absolute path function needed
#endif
return absolute_path;
}
std::string Path::stripDirectoryPart(const std::string &file)
{
#if defined(_WIN32) && !defined(__MINGW32__)
const char native = '\\';
#else
const char native = '/';
#endif
const std::string::size_type p = file.rfind(native);
if (p != std::string::npos) {
return file.substr(p + 1);
}
return file;
}
bool Path::fileExists(const std::string &file)
{
std::ifstream f(file.c_str());
return f.is_open();
}