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
|
/***************************************************************************
speech.cpp - description
-------------------
begin : Son Sep 8 2002
copyright : (C) 2002 by Gunnar Schmi Dt
email : [email protected]
***************************************************************************/
/***************************************************************************
* *
* 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 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include "speech.h"
#include <tqstring.h>
#include <tqvaluelist.h>
#include <tqvaluestack.h>
#include <tqstringlist.h>
#include <tqregexp.h>
#include <tqtextcodec.h>
#include <tqfile.h>
#include <kdebug.h>
#include <tdeversion.h>
#ifdef KDE_IS_VERSION
#if KDE_IS_VERSION(3,2,0)
#define macroExpander
#include <kmacroexpander.h>
#endif
#endif
Speech::Speech() {
}
Speech::~Speech() {
}
TQString Speech::prepareCommand (TQString command, const TQString &text,
const TQString &filename, const TQString &language) {
#ifdef macroExpander
TQMap<TQChar,TQString> map;
map['t'] = text;
map['f'] = filename;
map['l'] = language;
return KMacroExpander::expandMacrosShellQuote (command, map);
#else
TQValueStack<bool> stack; // saved isdoublequote values during parsing of braces
bool issinglequote=false; // inside '...' ?
bool isdoublequote=false; // inside "..." ?
int noreplace=0; // nested braces when within ${...}
TQString escText = KShellProcess::quote(text);
// character sequences that change the state or need to be otherwise processed
TQRegExp re_singlequote("('|%%|%t|%f|%l)");
TQRegExp re_doublequote("(\"|\\\\|`|\\$\\(|\\$\\{|%%|%t|%f|%l)");
TQRegExp re_noquote ("('|\"|\\\\|`|\\$\\(|\\$\\{|\\(|\\{|\\)|\\}|%%|%t|%f|%l)");
// parse the command:
for (int i = re_noquote.search(command);
i != -1;
i = (issinglequote?re_singlequote.search(command,i)
:isdoublequote?re_doublequote.search(command,i)
:re_noquote.search(command,i))
)
// while there are character sequences that need to be processed
{
if ((command[i]=='(') || (command[i]=='{')) { // (...) or {...}
// assert(isdoublequote == false)
stack.push(isdoublequote);
if (noreplace > 0)
// count nested braces when within ${...}
noreplace++;
i++;
}
else if (command[i]=='$') { // $(...) or ${...}
stack.push(isdoublequote);
isdoublequote = false;
if ((noreplace > 0) || (command[i+1]=='{'))
// count nested braces when within ${...}
noreplace++;
i+=2;
}
else if ((command[i]==')') || (command[i]=='}')) {
// $(...) or (...) or ${...} or {...}
if (!stack.isEmpty())
isdoublequote = stack.pop();
else
tqWarning("Parse error.");
if (noreplace > 0)
// count nested braces when within ${...}
noreplace--;
i++;
}
else if (command[i]=='\'') {
issinglequote=!issinglequote;
i++;
}
else if (command[i]=='"') {
isdoublequote=!isdoublequote;
i++;
}
else if (command[i]=='\\')
i+=2;
else if (command[i]=='`') {
// Replace all `...` with safer $(...)
command.replace (i, 1, "$(");
TQRegExp re_backticks("(`|\\\\`|\\\\\\\\|\\\\\\$)");
for (int i2=re_backticks.search(command,i+2);
i2!=-1;
i2=re_backticks.search(command,i2)
)
{
if (command[i2] == '`') {
command.replace (i2, 1, ")");
i2=command.length(); // leave loop
}
else {
// remove backslash and ignore following character
command.remove (i2, 1);
i2++;
}
}
// Leave i unchanged! We need to process "$("
}
else if (noreplace > 0) { // do not replace macros within ${...}
if (issinglequote)
i+=re_singlequote.matchedLength();
else if (isdoublequote)
i+=re_doublequote.matchedLength();
else
i+=re_noquote.matchedLength();
}
else { // replace macro
TQString match, v;
// get match
if (issinglequote)
match=re_singlequote.cap();
else if (isdoublequote)
match=re_doublequote.cap();
else
match=re_noquote.cap();
// substitute %variables
if (match=="%t")
v = escText;
else if (match=="%f")
v = filename;
else if (match=="%%")
v = "%";
else if (match=="%l")
v = language;
// %variable inside of a quote?
if (isdoublequote)
v='"'+v+'"';
else if (issinglequote)
v="'"+v+"'";
command.replace (i, match.length(), v);
i+=v.length();
}
}
return command;
#endif
}
void Speech::speak(TQString command, bool stdIn, const TQString &text, const TQString &language, int encoding, TQTextCodec *codec) {
if (text.length () > 0) {
// 1. prepare the text:
// 1.a) encode the text
TQTextStream ts (encText, IO_WriteOnly);
if (encoding == Local)
ts.setEncoding (TQTextStream::Locale);
else if (encoding == Latin1)
ts.setEncoding (TQTextStream::Latin1);
else if (encoding == Unicode)
ts.setEncoding (TQTextStream::Unicode);
else
ts.setCodec (codec);
ts << text;
// 1.b) create a temporary file for the text
tempFile.setAutoDelete(true);
TQTextStream* fs = tempFile.textStream();
if (encoding == Local)
fs->setEncoding (TQTextStream::Locale);
else if (encoding == Latin1)
fs->setEncoding (TQTextStream::Latin1);
else if (encoding == Unicode)
fs->setEncoding (TQTextStream::Unicode);
else
fs->setCodec (codec);
*fs << text;
*fs << endl;
TQString filename = tempFile.file()->name();
tempFile.close();
// 2. prepare the command:
command = prepareCommand (command, encText, filename, language);
// 3. create a new process
process << command;
connect(&process, TQT_SIGNAL(processExited(TDEProcess *)), this, TQT_SLOT(processExited(TDEProcess *)));
connect(&process, TQT_SIGNAL(wroteStdin(TDEProcess *)), this, TQT_SLOT(wroteStdin(TDEProcess *)));
connect(&process, TQT_SIGNAL(receivedStdout(TDEProcess *, char *, int)), this, TQT_SLOT(receivedStdout(TDEProcess *, char *, int)));
connect(&process, TQT_SIGNAL(receivedStderr(TDEProcess *, char *, int)), this, TQT_SLOT(receivedStderr(TDEProcess *, char *, int)));
// 4. start the process
if (stdIn) {
process.start(TDEProcess::NotifyOnExit, TDEProcess::All);
if (encText.size() > 0)
process.writeStdin(encText, encText.size());
else
process.closeStdin();
}
else
process.start(TDEProcess::NotifyOnExit, TDEProcess::AllOutput);
}
}
void Speech::receivedStdout (TDEProcess *, char *buffer, int buflen) {
kdDebug() << TQString::fromLatin1(buffer, buflen) + "\n";
}
void Speech::receivedStderr (TDEProcess *, char *buffer, int buflen) {
kdDebug() << TQString::fromLatin1(buffer, buflen) + "\n";
}
void Speech::wroteStdin(TDEProcess *) {
process.closeStdin();
}
void Speech::processExited(TDEProcess *) {
delete this;
}
#include "speech.moc"
|
