src/antlr/String.cpp

/* ANTLR Translator Generator
 * Project led by Terence Parr at http://www.jGuru.com
 * Software rights: http://www.antlr.org/license.html
 *
 * $Id: String.cpp,v 1.1 2005-12-02 15:38:02 tim Exp $
 */

#include "antlr/String.hpp"

#include <cctype>

#ifdef HAS_NOT_CSTDIO_H
#include <stdio.h>
#else
#include <cstdio>
#endif

#ifdef ANTLR_CXX_SUPPORTS_NAMESPACE
namespace antlr {
#endif

// wh: hack for Borland C++ 5.6
#if __BORLANDC__
  using std::sprintf;
#endif


// RK: should be using snprintf actually... (or stringstream)
ANTLR_C_USING(sprintf)

ANTLR_USE_NAMESPACE(std)string operator+( const ANTLR_USE_NAMESPACE(std)string& lhs, const int rhs )
{
        char tmp[100];
        sprintf(tmp,"%d",rhs);
        return lhs+tmp;
}

ANTLR_USE_NAMESPACE(std)string operator+( const ANTLR_USE_NAMESPACE(std)string& lhs, size_t rhs )
{
        char tmp[100];
        sprintf(tmp,"%u",rhs);
        return lhs+tmp;
}

/** Convert character to readable string
 */
ANTLR_USE_NAMESPACE(std)string charName(int ch)
{
        if (ch == EOF)
                return "EOF";
        else
        {
                ANTLR_USE_NAMESPACE(std)string s;

                // when you think you've seen it all.. an isprint that crashes...
                ch = ch & 0xFF;
#ifdef ANTLR_CCTYPE_NEEDS_STD
                if( ANTLR_USE_NAMESPACE(std)isprint( ch ) )
#else
                if( isprint( ch ) )
#endif
                {
                        s.append("'");
                        s += ch;
                        s.append("'");
//                      s += "'"+ch+"'";
                }
                else
                {
                        s += "0x";

                        unsigned int t = ch >> 4;
                        if( t < 10 )
                                s += t | 0x30;
                        else
                                s += t + 0x37;
                        t = ch & 0xF;
                        if( t < 10 )
                                s += t | 0x30;
                        else
                                s += t + 0x37;
                }
                return s;
        }
}

#ifdef ANTLR_CXX_SUPPORTS_NAMESPACE
}
#endif

Revision:	2469
Committed:	Fri Dec 2 15:38:03 2005 UTC (18 years, 7 months ago) by tim
File size:	1588 byte(s)
Log Message:	End of the Link --> List Return of the Oject-Oriented replace yacc/lex parser with antlr parser
#	User	Rev	Content
1	tim	2469	/* ANTLR Translator Generator
2			* Project led by Terence Parr at http://www.jGuru.com
3			* Software rights: http://www.antlr.org/license.html
4			*
5			* $Id: String.cpp,v 1.1 2005-12-02 15:38:02 tim Exp $
6			*/
7
8			#include "antlr/String.hpp"
9
10			#include <cctype>
11
12			#ifdef HAS_NOT_CSTDIO_H
13			#include <stdio.h>
14			#else
15			#include <cstdio>
16			#endif
17
18			#ifdef ANTLR_CXX_SUPPORTS_NAMESPACE
19			namespace antlr {
20			#endif
21
22			// wh: hack for Borland C++ 5.6
23			#if __BORLANDC__
24			using std::sprintf;
25			#endif
26
27
28			// RK: should be using snprintf actually... (or stringstream)
29			ANTLR_C_USING(sprintf)
30
31			ANTLR_USE_NAMESPACE(std)string operator+( const ANTLR_USE_NAMESPACE(std)string& lhs, const int rhs )
32			{
33			char tmp[100];
34			sprintf(tmp,"%d",rhs);
35			return lhs+tmp;
36			}
37
38			ANTLR_USE_NAMESPACE(std)string operator+( const ANTLR_USE_NAMESPACE(std)string& lhs, size_t rhs )
39			{
40			char tmp[100];
41			sprintf(tmp,"%u",rhs);
42			return lhs+tmp;
43			}
44
45			/** Convert character to readable string
46			*/
47			ANTLR_USE_NAMESPACE(std)string charName(int ch)
48			{
49			if (ch == EOF)
50			return "EOF";
51			else
52			{
53			ANTLR_USE_NAMESPACE(std)string s;
54
55			// when you think you've seen it all.. an isprint that crashes...
56			ch = ch & 0xFF;
57			#ifdef ANTLR_CCTYPE_NEEDS_STD
58			if( ANTLR_USE_NAMESPACE(std)isprint( ch ) )
59			#else
60			if( isprint( ch ) )
61			#endif
62			{
63			s.append("'");
64			s += ch;
65			s.append("'");
66			// s += "'"+ch+"'";
67			}
68			else
69			{
70			s += "0x";
71
72			unsigned int t = ch >> 4;
73			if( t < 10 )
74			s += t \| 0x30;
75			else
76			s += t + 0x37;
77			t = ch & 0xF;
78			if( t < 10 )
79			s += t \| 0x30;
80			else
81			s += t + 0x37;
82			}
83			return s;
84			}
85			}
86
87			#ifdef ANTLR_CXX_SUPPORTS_NAMESPACE
88			}
89			#endif
90