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
|
/****************************************************************************
**
** Copyright (C) 2007-2008 Trolltech ASA. All rights reserved.
**
** This file is part of the <your project> project on Trolltech Labs.
**
** This file may be used under the terms of the GNU General Public
** License version 2.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of
** this file. Please review the following information to ensure GNU
** General Public Licensing requirements will be met:
** http://www.trolltech.com/products/qt/opensource.html
**
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://www.trolltech.com/products/qt/licensing.html or contact the
** sales department at sales@trolltech.com.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/
#include <QtScript>
#include <QtCore/QFile>
#include <QtCore/QTextStream>
#include <QtCore/QStringList>
#include <QtGui/QApplication>
#include <stdlib.h>
static bool wantsToQuit;
static QScriptValue qtscript_quit(QScriptContext *ctx, QScriptEngine *eng)
{
Q_UNUSED(ctx);
wantsToQuit = true;
return eng->undefinedValue();
}
static QScriptValue qtscript_describe(QScriptContext *ctx, QScriptEngine *eng)
{
QStringList result;
QScriptValue obj = ctx->argument(0);
while (obj.isObject()) {
QScriptValueIterator it(obj);
while (it.hasNext()) {
it.next();
result.append(it.name());
}
obj = obj.prototype();
}
return eng->toScriptValue(result);
}
static void interactive(QScriptEngine *eng)
{
QScriptValue global = eng->globalObject();
QScriptValue quitFunction = eng->newFunction(qtscript_quit);
if (!global.property(QLatin1String("exit")).isValid())
global.setProperty(QLatin1String("exit"), quitFunction);
if (!global.property(QLatin1String("quit")).isValid())
global.setProperty(QLatin1String("quit"), quitFunction);
wantsToQuit = false;
global.setProperty(QLatin1String("describe"),
eng->newFunction(qtscript_describe));
QTextStream qin(stdin, QFile::ReadOnly);
const char *qscript_prompt = "qs> ";
const char *dot_prompt = ".... ";
const char *prompt = qscript_prompt;
QString code;
forever {
QString line;
printf("%s", prompt);
fflush(stdout);
line = qin.readLine();
if (line.isNull())
break;
code += line;
code += QLatin1Char('\n');
if (line.trimmed().isEmpty()) {
continue;
} else if (! eng->canEvaluate(code)) {
prompt = dot_prompt;
} else {
QScriptValue result = eng->evaluate(code, QLatin1String("typein"));
code.clear();
prompt = qscript_prompt;
if (! result.isUndefined())
fprintf(stderr, "%s\n", qPrintable(result.toString()));
if (wantsToQuit)
break;
}
}
}
static QScriptValue importExtension(QScriptContext *context, QScriptEngine *engine)
{
return engine->importExtension(context->argument(0).toString());
}
int main(int argc, char *argv[])
{
QApplication *app;
if (argc >= 2 && !qstrcmp(argv[1], "-tty"))
app = new QApplication(argc, argv, QApplication::Tty);
else
app = new QApplication(argc, argv);
QDir dir(QApplication::applicationDirPath());
if (dir.dirName() == QLatin1String("debug") || dir.dirName() == QLatin1String("release"))
dir.cdUp();
dir.cdUp();
dir.cdUp();
if (!dir.cd("plugins")) {
fprintf(stderr, "plugins folder does not exist -- did you build the bindings?\n");
return(-1);
}
QStringList paths = app->libraryPaths();
paths << dir.absolutePath();
app->setLibraryPaths(paths);
QScriptEngine *eng = new QScriptEngine();
eng->importExtension("qt.core");
eng->importExtension("qt.gui");
eng->importExtension("qt.xml");
eng->importExtension("qt.svg");
eng->importExtension("qt.network");
eng->importExtension("qt.sql");
eng->importExtension("qt.opengl");
eng->importExtension("qt.webkit");
eng->importExtension("qt.xmlpatterns");
eng->importExtension("qt.uitools");
QScriptValue globalObject = eng->globalObject();
globalObject.setProperty("qApp", eng->newQObject(app));
{
QScriptValue qscript = eng->newObject();
qscript.setProperty("importExtension", eng->newFunction(importExtension));
globalObject.property("qt").setProperty("script", qscript);
}
if (! *++argv) {
interactive(eng);
return EXIT_SUCCESS;
}
while (const char *arg = *argv++) {
QString fn = QString::fromLocal8Bit(arg);
if (fn == QLatin1String("-i")) {
interactive(eng);
break;
}
QString contents;
int lineNumber = 1;
if (fn == QLatin1String("-")) {
QTextStream stream(stdin, QFile::ReadOnly);
contents = stream.readAll();
}
else {
QFile file(fn);
if (file.open(QFile::ReadOnly)) {
QTextStream stream(&file);
contents = stream.readAll();
file.close();
// strip off #!/usr/bin/env qscript line
if (contents.startsWith("#!")) {
contents.remove(0, contents.indexOf("\n"));
++lineNumber;
}
}
}
if (contents.isEmpty())
continue;
QScriptValue r = eng->evaluate(contents, fn, lineNumber);
if (eng->hasUncaughtException()) {
QStringList backtrace = eng->uncaughtExceptionBacktrace();
fprintf (stderr, " %s\n%s\n\n", qPrintable(r.toString()),
qPrintable(backtrace.join("\n")));
return EXIT_FAILURE;
}
}
delete eng;
delete app;
return EXIT_SUCCESS;
}
|
