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38 | ****************************************************************************/ |
39 | |
40 | #ifndef QPROCESS_H |
41 | #define QPROCESS_H |
42 | |
43 | #include <QtCore/qiodevice.h> |
44 | #include <QtCore/qstringlist.h> |
45 | #include <QtCore/qshareddata.h> |
46 | |
47 | #include <functional> |
48 | |
49 | QT_REQUIRE_CONFIG(processenvironment); |
50 | |
51 | #ifdef Q_OS_WIN |
52 | typedef struct _PROCESS_INFORMATION *Q_PID; |
53 | #endif |
54 | |
55 | #if defined(Q_OS_WIN) || defined(Q_CLANG_QDOC) |
56 | typedef struct _SECURITY_ATTRIBUTES Q_SECURITY_ATTRIBUTES; |
57 | typedef struct _STARTUPINFOW Q_STARTUPINFO; |
58 | #endif |
59 | |
60 | QT_BEGIN_NAMESPACE |
61 | |
62 | class QProcessPrivate; |
63 | class QProcessEnvironmentPrivate; |
64 | |
65 | #ifndef Q_OS_WIN |
66 | typedef qint64 Q_PID; |
67 | #endif |
68 | |
69 | class Q_CORE_EXPORT QProcessEnvironment |
70 | { |
71 | public: |
72 | QProcessEnvironment(); |
73 | QProcessEnvironment(const QProcessEnvironment &other); |
74 | ~QProcessEnvironment(); |
75 | QProcessEnvironment &operator=(QProcessEnvironment && other) noexcept { swap(other); return *this; } |
76 | QProcessEnvironment &operator=(const QProcessEnvironment &other); |
77 | |
78 | void swap(QProcessEnvironment &other) noexcept { qSwap(d, other.d); } |
79 | |
80 | bool operator==(const QProcessEnvironment &other) const; |
81 | inline bool operator!=(const QProcessEnvironment &other) const |
82 | { return !(*this == other); } |
83 | |
84 | bool isEmpty() const; |
85 | void clear(); |
86 | |
87 | bool contains(const QString &name) const; |
88 | void insert(const QString &name, const QString &value); |
89 | void remove(const QString &name); |
90 | QString value(const QString &name, const QString &defaultValue = QString()) const; |
91 | |
92 | QStringList toStringList() const; |
93 | |
94 | QStringList keys() const; |
95 | |
96 | void insert(const QProcessEnvironment &e); |
97 | |
98 | static QProcessEnvironment systemEnvironment(); |
99 | |
100 | private: |
101 | friend class QProcessPrivate; |
102 | friend class QProcessEnvironmentPrivate; |
103 | QSharedDataPointer<QProcessEnvironmentPrivate> d; |
104 | }; |
105 | |
106 | Q_DECLARE_SHARED(QProcessEnvironment) |
107 | |
108 | #if QT_CONFIG(process) |
109 | |
110 | class Q_CORE_EXPORT QProcess : public QIODevice |
111 | { |
112 | Q_OBJECT |
113 | public: |
114 | enum ProcessError { |
115 | FailedToStart, //### file not found, resource error |
116 | Crashed, |
117 | Timedout, |
118 | ReadError, |
119 | WriteError, |
120 | UnknownError |
121 | }; |
122 | Q_ENUM(ProcessError) |
123 | |
124 | enum ProcessState { |
125 | NotRunning, |
126 | Starting, |
127 | Running |
128 | }; |
129 | Q_ENUM(ProcessState) |
130 | |
131 | enum ProcessChannel { |
132 | StandardOutput, |
133 | StandardError |
134 | }; |
135 | Q_ENUM(ProcessChannel) |
136 | |
137 | enum ProcessChannelMode { |
138 | SeparateChannels, |
139 | MergedChannels, |
140 | ForwardedChannels, |
141 | ForwardedOutputChannel, |
142 | ForwardedErrorChannel |
143 | }; |
144 | Q_ENUM(ProcessChannelMode) |
145 | |
146 | enum InputChannelMode { |
147 | ManagedInputChannel, |
148 | ForwardedInputChannel |
149 | }; |
150 | Q_ENUM(InputChannelMode) |
151 | |
152 | enum ExitStatus { |
153 | NormalExit, |
154 | CrashExit |
155 | }; |
156 | Q_ENUM(ExitStatus) |
157 | |
158 | explicit QProcess(QObject *parent = nullptr); |
159 | virtual ~QProcess(); |
160 | |
161 | void start(const QString &program, const QStringList &arguments, OpenMode mode = ReadWrite); |
162 | #if !defined(QT_NO_PROCESS_COMBINED_ARGUMENT_START) |
163 | void start(const QString &command, OpenMode mode = ReadWrite); |
164 | #endif |
165 | void start(OpenMode mode = ReadWrite); |
166 | bool startDetached(qint64 *pid = nullptr); |
167 | bool open(OpenMode mode = ReadWrite) override; |
168 | |
169 | QString program() const; |
170 | void setProgram(const QString &program); |
171 | |
172 | QStringList arguments() const; |
173 | void setArguments(const QStringList & arguments); |
174 | |
175 | #if QT_DEPRECATED_SINCE(5, 13) |
176 | QT_DEPRECATED_X("Use QProcess::processChannelMode() instead" ) |
177 | ProcessChannelMode readChannelMode() const; |
178 | QT_DEPRECATED_X("Use QProcess::setProcessChannelMode() instead" ) |
179 | void setReadChannelMode(ProcessChannelMode mode); |
180 | #endif |
181 | ProcessChannelMode processChannelMode() const; |
182 | void setProcessChannelMode(ProcessChannelMode mode); |
183 | InputChannelMode inputChannelMode() const; |
184 | void setInputChannelMode(InputChannelMode mode); |
185 | |
186 | ProcessChannel readChannel() const; |
187 | void setReadChannel(ProcessChannel channel); |
188 | |
189 | void closeReadChannel(ProcessChannel channel); |
190 | void closeWriteChannel(); |
191 | |
192 | void setStandardInputFile(const QString &fileName); |
193 | void setStandardOutputFile(const QString &fileName, OpenMode mode = Truncate); |
194 | void setStandardErrorFile(const QString &fileName, OpenMode mode = Truncate); |
195 | void setStandardOutputProcess(QProcess *destination); |
196 | |
197 | #if defined(Q_OS_WIN) || defined(Q_CLANG_QDOC) |
198 | QString nativeArguments() const; |
199 | void setNativeArguments(const QString &arguments); |
200 | struct CreateProcessArguments |
201 | { |
202 | const wchar_t *applicationName; |
203 | wchar_t *arguments; |
204 | Q_SECURITY_ATTRIBUTES *processAttributes; |
205 | Q_SECURITY_ATTRIBUTES *threadAttributes; |
206 | bool inheritHandles; |
207 | unsigned long flags; |
208 | void *environment; |
209 | const wchar_t *currentDirectory; |
210 | Q_STARTUPINFO *startupInfo; |
211 | Q_PID processInformation; |
212 | }; |
213 | typedef std::function<void(CreateProcessArguments *)> CreateProcessArgumentModifier; |
214 | CreateProcessArgumentModifier createProcessArgumentsModifier() const; |
215 | void setCreateProcessArgumentsModifier(CreateProcessArgumentModifier modifier); |
216 | #endif // Q_OS_WIN || Q_CLANG_QDOC |
217 | |
218 | QString workingDirectory() const; |
219 | void setWorkingDirectory(const QString &dir); |
220 | |
221 | void setEnvironment(const QStringList &environment); |
222 | QStringList environment() const; |
223 | void setProcessEnvironment(const QProcessEnvironment &environment); |
224 | QProcessEnvironment processEnvironment() const; |
225 | |
226 | QProcess::ProcessError error() const; |
227 | QProcess::ProcessState state() const; |
228 | |
229 | // #### Qt 5: Q_PID is a pointer on Windows and a value on Unix |
230 | Q_PID pid() const; |
231 | qint64 processId() const; |
232 | |
233 | bool waitForStarted(int msecs = 30000); |
234 | bool waitForReadyRead(int msecs = 30000) override; |
235 | bool waitForBytesWritten(int msecs = 30000) override; |
236 | bool waitForFinished(int msecs = 30000); |
237 | |
238 | QByteArray readAllStandardOutput(); |
239 | QByteArray readAllStandardError(); |
240 | |
241 | int exitCode() const; |
242 | QProcess::ExitStatus exitStatus() const; |
243 | |
244 | // QIODevice |
245 | qint64 bytesAvailable() const override; // ### Qt6: remove trivial override |
246 | qint64 bytesToWrite() const override; |
247 | bool isSequential() const override; |
248 | bool canReadLine() const override; // ### Qt6: remove trivial override |
249 | void close() override; |
250 | bool atEnd() const override; // ### Qt6: remove trivial override |
251 | |
252 | static int execute(const QString &program, const QStringList &arguments); |
253 | static int execute(const QString &command); |
254 | |
255 | static bool startDetached(const QString &program, const QStringList &arguments, |
256 | const QString &workingDirectory |
257 | #if defined(Q_QDOC) |
258 | = QString() |
259 | #endif |
260 | , qint64 *pid = nullptr); |
261 | #if !defined(Q_QDOC) |
262 | static bool startDetached(const QString &program, const QStringList &arguments); // ### Qt6: merge overloads |
263 | #endif |
264 | static bool startDetached(const QString &command); |
265 | |
266 | static QStringList systemEnvironment(); |
267 | |
268 | static QString nullDevice(); |
269 | |
270 | public Q_SLOTS: |
271 | void terminate(); |
272 | void kill(); |
273 | |
274 | Q_SIGNALS: |
275 | void started(QPrivateSignal); |
276 | #if QT_DEPRECATED_SINCE(5, 13) |
277 | QT_DEPRECATED_X("Use QProcess::finished(int, QProcess::ExitStatus) instead" ) |
278 | void finished(int exitCode); // ### Qt 6: merge the two signals with a default value |
279 | #endif |
280 | void finished(int exitCode, QProcess::ExitStatus exitStatus); |
281 | #if QT_DEPRECATED_SINCE(5,6) |
282 | void error(QProcess::ProcessError error); |
283 | #endif |
284 | void errorOccurred(QProcess::ProcessError error); |
285 | void stateChanged(QProcess::ProcessState state, QPrivateSignal); |
286 | |
287 | void readyReadStandardOutput(QPrivateSignal); |
288 | void readyReadStandardError(QPrivateSignal); |
289 | |
290 | protected: |
291 | void setProcessState(ProcessState state); |
292 | |
293 | virtual void setupChildProcess(); |
294 | |
295 | // QIODevice |
296 | qint64 readData(char *data, qint64 maxlen) override; |
297 | qint64 writeData(const char *data, qint64 len) override; |
298 | |
299 | private: |
300 | Q_DECLARE_PRIVATE(QProcess) |
301 | Q_DISABLE_COPY(QProcess) |
302 | |
303 | Q_PRIVATE_SLOT(d_func(), bool _q_canReadStandardOutput()) |
304 | Q_PRIVATE_SLOT(d_func(), bool _q_canReadStandardError()) |
305 | Q_PRIVATE_SLOT(d_func(), bool _q_canWrite()) |
306 | Q_PRIVATE_SLOT(d_func(), bool _q_startupNotification()) |
307 | Q_PRIVATE_SLOT(d_func(), bool _q_processDied()) |
308 | friend class QProcessManager; |
309 | }; |
310 | |
311 | #endif // QT_CONFIG(process) |
312 | |
313 | QT_END_NAMESPACE |
314 | |
315 | #endif // QPROCESS_H |
316 | |