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
|
/*
* Code for handling extensions (i.e., scripts)
*
* Authors:
* Bryce Harrington <bryce@osdl.org>
* Ted Gould <ted@gould.cx>
*
* Copyright (C) 2002-2005 Authors
*
* Released under GNU GPL, read the file 'COPYING' for more information
*/
#ifndef __INKSCAPE_EXTENSION_IMPEMENTATION_SCRIPT_H__
#define __INKSCAPE_EXTENSION_IMPEMENTATION_SCRIPT_H__
#include "implementation.h"
#include <gtkmm/messagedialog.h>
namespace Inkscape {
namespace XML {
class Node;
}
}
namespace Inkscape {
namespace Extension {
namespace Implementation {
/**
* Utility class used for loading and launching script extensions
*/
class Script : public Implementation {
public:
/**
*
*/
Script(void);
/**
*
*/
virtual ~Script();
/**
*
*/
virtual bool load(Inkscape::Extension::Extension *module);
/**
*
*/
virtual void unload(Inkscape::Extension::Extension *module);
/**
*
*/
virtual bool check(Inkscape::Extension::Extension *module);
/**
*
*/
virtual Gtk::Widget *prefs_input(Inkscape::Extension::Input *module,
gchar const *filename);
/**
*
*/
virtual SPDocument *open(Inkscape::Extension::Input *module,
gchar const *filename);
/**
*
*/
virtual Gtk::Widget *prefs_output(Inkscape::Extension::Output *module);
/**
*
*/
virtual void save(Inkscape::Extension::Output *module,
SPDocument *doc,
gchar const *filename);
/**
*
*/
virtual Gtk::Widget *prefs_effect(Inkscape::Extension::Effect *module,
Inkscape::UI::View::View * view,
sigc::signal<void> * changeSignal);
/**
*
*/
virtual void effect(Inkscape::Extension::Effect *module,
Inkscape::UI::View::View *doc);
virtual bool cancelProcessing (void);
private:
bool _canceled;
Glib::Pid _pid;
Glib::RefPtr<Glib::MainLoop> _main_loop;
/**
* The command that has been dirived from
* the configuration file with appropriate directories
*/
std::list<std::string> command;
/**
* This is the extension that will be used
* as the helper to read in or write out the
* data
*/
Glib::ustring helper_extension;
/**
* Just a quick function to find and resolve relative paths for
* the incoming scripts
*/
Glib::ustring solve_reldir (Inkscape::XML::Node *reprin);
/**
*
*/
bool check_existance (const Glib::ustring &command);
/**
*
*/
void copy_doc (Inkscape::XML::Node * olddoc,
Inkscape::XML::Node * newdoc);
/**
*
*/
void checkStderr (const Glib::ustring &filename,
Gtk::MessageType type,
const Glib::ustring &message);
class file_listener {
Glib::ustring _string;
sigc::connection _conn;
Glib::RefPtr<Glib::IOChannel> _channel;
Glib::RefPtr<Glib::MainLoop> _main_loop;
bool _dead;
public:
file_listener () : _dead(false) { };
~file_listener () {
_conn.disconnect();
};
bool isDead () { return _dead; }
void init (int fd, Glib::RefPtr<Glib::MainLoop> main) {
_channel = Glib::IOChannel::create_from_fd(fd);
_channel->set_encoding();
_conn = Glib::signal_io().connect(sigc::mem_fun(*this, &file_listener::read), _channel, Glib::IO_IN | Glib::IO_HUP | Glib::IO_ERR);
_main_loop = main;
return;
};
bool read (Glib::IOCondition condition) {
if (condition != Glib::IO_IN) {
_main_loop->quit();
return false;
}
Glib::IOStatus status;
Glib::ustring out;
status = _channel->read_line(out);
_string += out;
if (status != Glib::IO_STATUS_NORMAL) {
_main_loop->quit();
_dead = true;
return false;
}
return true;
};
// Note, doing a copy here, on purpose
Glib::ustring string (void) { return _string; };
void toFile (const Glib::ustring &name) {
Glib::RefPtr<Glib::IOChannel> stdout_file = Glib::IOChannel::create_from_file(name, "w");
stdout_file->write(_string);
return;
};
};
int execute (const std::list<std::string> &in_command,
const std::list<std::string> &in_params,
const Glib::ustring &filein,
file_listener &fileout);
}; // class Script
} // namespace Implementation
} // namespace Extension
} // namespace Inkscape
#endif /* __INKSCAPE_EXTENSION_IMPEMENTATION_SCRIPT_H__ */
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :
|
