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
|
/*=========================================================================
Program: KWStyle - Kitware Style Checker
Module: kwsCheckUsingDirectives.cxx
Copyright (c) Kitware, Inc. All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#include "kwsParser.h"
#include <cctype>
namespace kws {
/** Check if the file contains "using namespace .* ;" */
bool Parser::CheckUsingDirectives(bool forbidUsingDirectives)
{
if(!forbidUsingDirectives)
return true;
bool hasError = false;
size_t usingPos = m_BufferNoComment.find("using");
while( usingPos != std::string::npos )
{
size_t tempIndex = usingPos + 5;//points right after "using"
if(this->IsBetweenQuote(usingPos, false))
{
usingPos = m_BufferNoComment.find("using", tempIndex);
continue;
}
//Munch whitespace (at least one character)
int whitespaceCharacterCount = 0;
while(tempIndex < m_BufferNoComment.size() && isspace(m_BufferNoComment[tempIndex]))
{
tempIndex++;
whitespaceCharacterCount++;
}
if( tempIndex >= m_BufferNoComment.size() || whitespaceCharacterCount < 1 )//file ended or not enough whitespace characters
return true;
//Munch "namespace"
if(m_BufferNoComment.substr(tempIndex, 9) != "namespace")
{
usingPos = m_BufferNoComment.find("using", tempIndex);
continue;
}
tempIndex += 9;//points right after "namespace"
//Munch whitespace (at least one character)
whitespaceCharacterCount = 0;
while(tempIndex < m_BufferNoComment.size() && isspace(m_BufferNoComment[tempIndex]))
{
tempIndex++;
whitespaceCharacterCount++;
}
if( tempIndex >= m_BufferNoComment.size() || whitespaceCharacterCount < 1 )//file ended or not enough whitespace characters
return true;
//Munch identifier
while(tempIndex < m_BufferNoComment.size() && (isalpha(m_BufferNoComment[tempIndex]) || m_BufferNoComment[tempIndex] == '_') )
tempIndex++;
if( tempIndex >= m_BufferNoComment.size() )//file ended
return true;
//Munch whitespace
while(tempIndex < m_BufferNoComment.size() && isspace(m_BufferNoComment[tempIndex]))
tempIndex++;
if( tempIndex >= m_BufferNoComment.size() )//file ended
return true;
if(m_BufferNoComment[tempIndex] == ';')//Match found for the full "using namespace [A-Za-z_]+;"
{
hasError = true;
Error error;
error.line = this->GetLineNumber(usingPos, true);
error.line2 = error.line;
error.description = "Using namespace directive used.";
error.number = USING_DIRECTIVES;
m_ErrorList.push_back(error);
}
usingPos = m_BufferNoComment.find("using", tempIndex);
}
return !hasError;
}
} // end namespace kws
|
