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
|
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <log4cxx/spi/location/locationinfo.h>
#include <log4cxx/helpers/objectoutputstream.h>
#include <log4cxx/helpers/pool.h>
#include "apr_pools.h"
#include "apr_strings.h"
using namespace ::log4cxx::spi;
using namespace log4cxx::helpers;
/**
When location information is not available the constant
<code>NA</code> is returned. Current value of this string
constant is <b>?</b>. */
const char* const LocationInfo::NA = "?";
const char* const LocationInfo::NA_METHOD = "?::?";
const LocationInfo& LocationInfo::getLocationUnavailable() {
static const LocationInfo unavailable;
return unavailable;
}
/**
* Constructor.
* @remarks Used by LOG4CXX_LOCATION to generate
* location info for current code site
*/
LocationInfo::LocationInfo( const char * const fileName1,
const char * const methodName1,
int lineNumber1 )
: lineNumber( lineNumber1 ),
fileName( fileName1 ),
methodName( methodName1 ) {
}
/**
* Default constructor.
*/
LocationInfo::LocationInfo()
: lineNumber( -1 ),
fileName(LocationInfo::NA),
methodName(LocationInfo::NA_METHOD) {
}
/**
* Copy constructor.
* @param src source location
*/
LocationInfo::LocationInfo( const LocationInfo & src )
: lineNumber( src.lineNumber ),
fileName( src.fileName ),
methodName( src.methodName ) {
}
/**
* Assignment operator.
* @param src source location
*/
LocationInfo & LocationInfo::operator = ( const LocationInfo & src )
{
fileName = src.fileName;
methodName = src.methodName;
lineNumber = src.lineNumber;
return * this;
}
/**
* Resets location info to default state.
*/
void LocationInfo::clear() {
fileName = NA;
methodName = NA_METHOD;
lineNumber = -1;
}
/**
* Return the file name of the caller.
* @returns file name, may be null.
*/
const std::string& LocationInfo::getFileName() const
{
return fileName;
}
/**
* Returns the line number of the caller.
* @returns line number, -1 if not available.
*/
int LocationInfo::getLineNumber() const
{
return lineNumber;
}
/** Returns the method name of the caller. */
const std::string LocationInfo::getMethodName() const
{
std::string tmp = methodName;
size_t colonPos = tmp.find("::");
if (colonPos != std::string::npos) {
tmp.erase(0, colonPos + 2);
} else {
size_t spacePos = tmp.find(' ');
if (spacePos != std::string::npos) {
tmp.erase(0, spacePos + 1);
}
}
size_t parenPos = tmp.find('(');
if (parenPos != std::string::npos) {
tmp.erase(parenPos);
}
return tmp;
}
const std::string LocationInfo::getClassName() const {
std::string tmp = methodName;
size_t colonPos = tmp.find("::");
if (colonPos != std::string::npos) {
tmp.erase(colonPos);
size_t spacePos = tmp.find_last_of(' ');
if (spacePos != std::string::npos) {
tmp.erase(0, spacePos + 1);
}
return tmp;
}
tmp.erase(0, tmp.length() );
return tmp;
}
void LocationInfo::write(ObjectOutputStream& os, Pool& p) const {
if (lineNumber == -1 && fileName == NA && methodName == NA_METHOD) {
os.writeNull(p);
} else {
char prolog[] = {
0x72, 0x00, 0x21, 0x6F, 0x72, 0x67, 0x2E,
0x61, 0x70, 0x61, 0x63, 0x68, 0x65, 0x2E, 0x6C,
0x6F, 0x67, 0x34, 0x6A, 0x2E, 0x73, 0x70, 0x69,
0x2E, 0x4C, 0x6F, 0x63, 0x61, 0x74, 0x69, 0x6F,
0x6E, 0x49, 0x6E, 0x66, 0x6F, 0xED, 0x99, 0xBB,
0xE1, 0x4A, 0x91, 0xA5, 0x7C, 0x02, 0x00, 0x01,
0x4C, 0x00, 0x08, 0x66, 0x75, 0x6C, 0x6C, 0x49,
0x6E, 0x66, 0x6F,
0x74, 0x00, 0x12, 0x4C, 0x6A,
0x61, 0x76, 0x61, 0x2F, 0x6C, 0x61, 0x6E, 0x67,
0x2F, 0x53, 0x74, 0x72, 0x69, 0x6E, 0x67, 0x3B,
0x78, 0x70 };
os.writeProlog("org.apache.log4j.spi.LocationInfo", 2, prolog, sizeof(prolog), p);
char* line = p.itoa(lineNumber);
//
// construct Java-like fullInfo (replace "::" with ".")
//
std::string fullInfo = methodName;
size_t openParen = fullInfo.find('(');
if (openParen != std::string::npos) {
size_t space = fullInfo.find(' ');
if (space != std::string::npos && space < openParen) {
fullInfo.erase(0, space + 1);
}
}
openParen = fullInfo.find('(');
if (openParen != std::string::npos) {
size_t classSep = fullInfo.rfind("::", openParen);
if (classSep != std::string::npos) {
fullInfo.replace(classSep, 2, ".");
} else {
fullInfo.insert(0, ".");
}
}
fullInfo.append(1, '(');
fullInfo.append(fileName);
fullInfo.append(1, ':');
fullInfo.append(line);
fullInfo.append(1, ')');
os.writeUTFString(fullInfo, p);
}
}
|
