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40 | ****************************************************************************/ |
41 | |
42 | #include "ioutils.h" |
43 | |
44 | #include <QtCore/QDir> |
45 | #include <QtCore/QFile> |
46 | |
47 | #ifdef Q_OS_WIN |
48 | # include <windows.h> |
49 | #else |
50 | # include <sys/types.h> |
51 | # include <sys/stat.h> |
52 | # include <unistd.h> |
53 | #endif |
54 | |
55 | using namespace ProFileEvaluatorInternal; |
56 | |
57 | IoUtils::FileType IoUtils::fileType(const QString &fileName) |
58 | { |
59 | Q_ASSERT(fileName.isEmpty() || isAbsolutePath(fileName)); |
60 | #ifdef Q_OS_WIN |
61 | DWORD attr = GetFileAttributesW((WCHAR*)fileName.utf16()); |
62 | if (attr == INVALID_FILE_ATTRIBUTES) |
63 | return FileNotFound; |
64 | return (attr & FILE_ATTRIBUTE_DIRECTORY) ? FileIsDir : FileIsRegular; |
65 | #else |
66 | struct ::stat st; |
67 | if (::stat(fileName.toLocal8Bit().constData(), &st)) |
68 | return FileNotFound; |
69 | return S_ISDIR(st.st_mode) ? FileIsDir : FileIsRegular; |
70 | #endif |
71 | } |
72 | |
73 | bool IoUtils::isRelativePath(const QString &path) |
74 | { |
75 | if (path.startsWith(QLatin1Char('/'))) |
76 | return false; |
77 | #ifdef Q_OS_WIN |
78 | if (path.startsWith(QLatin1Char('\\'))) |
79 | return false; |
80 | // Unlike QFileInfo, this won't accept a relative path with a drive letter. |
81 | // Such paths result in a royal mess anyway ... |
82 | if (path.length() >= 3 && path.at(1) == QLatin1Char(':') && path.at(0).isLetter() |
83 | && (path.at(2) == QLatin1Char('/') || path.at(2) == QLatin1Char('\\'))) |
84 | return false; |
85 | #endif |
86 | return true; |
87 | } |
88 | |
89 | QStringRef IoUtils::fileName(const QString &fileName) |
90 | { |
91 | return fileName.midRef(fileName.lastIndexOf(QLatin1Char('/')) + 1); |
92 | } |
93 | |
94 | QString IoUtils::resolvePath(const QString &baseDir, const QString &fileName) |
95 | { |
96 | if (fileName.isEmpty()) |
97 | return QString(); |
98 | if (isAbsolutePath(fileName)) |
99 | return QDir::cleanPath(fileName); |
100 | return QDir::cleanPath(baseDir + QLatin1Char('/') + fileName); |
101 | } |
102 | |
103 | #ifdef QT_BOOTSTRAPPED |
104 | inline static bool isSpecialChar(ushort c) |
105 | { |
106 | // Chars that should be quoted (TM). This includes: |
107 | #ifdef Q_OS_WIN |
108 | // - control chars & space |
109 | // - the shell meta chars "&()<>^| |
110 | // - the potential separators ,;= |
111 | static const uchar iqm[] = { |
112 | 0xff, 0xff, 0xff, 0xff, 0x45, 0x13, 0x00, 0x78, |
113 | 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x10 |
114 | }; |
115 | #else |
116 | static const uchar iqm[] = { |
117 | 0xff, 0xff, 0xff, 0xff, 0xdf, 0x07, 0x00, 0xd8, |
118 | 0x00, 0x00, 0x00, 0x38, 0x01, 0x00, 0x00, 0x78 |
119 | }; // 0-32 \'"$`<>|;&(){}*?#!~[] |
120 | #endif |
121 | |
122 | return (c < sizeof(iqm) * 8) && (iqm[c / 8] & (1 << (c & 7))); |
123 | } |
124 | |
125 | inline static bool hasSpecialChars(const QString &arg) |
126 | { |
127 | for (int x = arg.length() - 1; x >= 0; --x) |
128 | if (isSpecialChar(arg.unicode()[x].unicode())) |
129 | return true; |
130 | return false; |
131 | } |
132 | |
133 | QString IoUtils::shellQuote(const QString &arg) |
134 | { |
135 | if (!arg.length()) |
136 | return QString::fromLatin1("\"\"" ); |
137 | |
138 | QString ret(arg); |
139 | if (hasSpecialChars(ret)) { |
140 | #ifdef Q_OS_WIN |
141 | // Quotes are escaped and their preceding backslashes are doubled. |
142 | // It's impossible to escape anything inside a quoted string on cmd |
143 | // level, so the outer quoting must be "suspended". |
144 | ret.replace(QRegExp(QLatin1String("(\\\\*)\"" )), QLatin1String("\"\\1\\1\\^\"\"" )); |
145 | // The argument must not end with a \ since this would be interpreted |
146 | // as escaping the quote -- rather put the \ behind the quote: e.g. |
147 | // rather use "foo"\ than "foo\" |
148 | int i = ret.length(); |
149 | while (i > 0 && ret.at(i - 1) == QLatin1Char('\\')) |
150 | --i; |
151 | ret.insert(i, QLatin1Char('"')); |
152 | ret.prepend(QLatin1Char('"')); |
153 | #else // Q_OS_WIN |
154 | ret.replace(QLatin1Char('\''), QLatin1String("'\\''" )); |
155 | ret.prepend(QLatin1Char('\'')); |
156 | ret.append(QLatin1Char('\'')); |
157 | #endif // Q_OS_WIN |
158 | } |
159 | return ret; |
160 | } |
161 | #endif |
162 | |