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
|
/***************************************************************************
*
* Copyright (C) 2005 Elad Lahav (elad_lahav@users.sourceforge.net)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
***************************************************************************/
#include <tqfileinfo.h>
#include <tdemessagebox.h>
#include <tdelocale.h>
#include <kshell.h>
#include "ctagsfrontend.h"
#include "kscopeconfig.h"
TQStringList CtagsFrontend::s_slExtraArgs;
/**
* Class constructor.
*/
CtagsFrontend::CtagsFrontend() : Frontend(CTAGS_RECORD_SIZE)
{
}
/**
* Class destructor.
*/
CtagsFrontend::~CtagsFrontend()
{
}
/**
* Executes a Ctags process on a source file.
* @param sFileName The full path to the source file
* @return true if successful, false otherwise
*/
bool CtagsFrontend::run(const TQString& sFileName)
{
TQString sPath;
TQStringList slArgs;
// Make sure the executable exists
sPath = Config().getCtagsPath();
// Set the command line arguments
slArgs.append(sPath);
slArgs.append("--excmd=n");
slArgs.append("-u"); // don't sort
slArgs.append("-f");
slArgs.append("-");
// Per-project command-line arguments
slArgs += s_slExtraArgs;
slArgs.append(sFileName);
// Run a new process
if (!Frontend::run("ctags", slArgs))
return false;
// Initialize stdout parsing
m_state = Name;
m_delim = Tab;
return true;
}
/**
* Tests that the given file path leads to an executable.
* @param sPath The path to check
* @return true if the file in the given path exists and has executable
* permissions, false otherwise
*/
bool CtagsFrontend::verify(const TQString& sPath)
{
TQFileInfo fi(sPath);
if (!fi.exists() || !fi.isFile() || !fi.isExecutable() ||
fi.fileName().find("ctags", 0, false) == -1) {
KMessageBox::error(0, i18n("Ctags cannot be found in the given "
"path"));
return false;
}
return true;
}
/**
* Turns the per-project string of additional arguments into a list of
* command-line arguments.
* @param sArgs The per-project command string
*/
void CtagsFrontend::setExtraArgs(const TQString& sArgs)
{
s_slExtraArgs = KShell::splitArgs(sArgs);
}
/**
* Parses the output of a Ctags process.
* @param sToken The current token read (the token delimiter is determined
* by the current state)
* @param delim The delimiter that ends this token
* @return A value indicating the way this token should be treated: dropped,
* added to the token queue, or finishes a new record
*/
Frontend::ParseResult CtagsFrontend::parseStdout(TQString& sToken,
ParserDelim delim)
{
ParseResult result = DiscardToken;
// Handle the token according to the current state
switch (m_state) {
case Name:
if (sToken.left(6) == "ctags:") {
m_state = Other;
m_delim = Newline;
break;
}
m_state = File;
result = AcceptToken;
break;
case File:
m_state = Line;
result = DiscardToken;
break;
case Line:
sToken = sToken.left(sToken.length() - 2);
m_state = Type;
m_delim = All;
result = AcceptToken;
break;
case Type:
if (delim == Newline) {
m_state = Name;
m_delim = Tab;
}
else {
m_state = Other;
m_delim = Newline;
}
result = RecordReady;
break;
case Other:
m_state = Name;
m_delim = Tab;
result = DiscardToken;
break;
}
return result;
}
#include "ctagsfrontend.moc"
|
