File: fformat_.cpp

package info (click to toggle)
sidplay 1.36.28-2
  • links: PTS
  • area: main
  • in suites: slink
  • size: 1,192 kB
  • ctags: 1,674
  • sloc: cpp: 12,514; sh: 1,716; makefile: 223
file content (177 lines) | stat: -rw-r--r-- 3,613 bytes parent folder | download
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
//
// /home/ms/source/sidplay/libsidplay/fformat/RCS/fformat_.cpp,v
//

#include <ctype.h>
#include <string.h>

#include "fformat.h"
#include "myendian.h"

// Own version of strdup, which uses new instead of malloc.
char* myStrDup(const char *source)
{
	char *dest;
	if ( (dest = new char[strlen(source)+1]) != 0)
	{
		strcpy(dest,source);
	}
	return dest;
}

// Return pointer to file name position in complete path.
char* fileNameWithoutPath(char* s)
{
	int last_slash_pos = -1;
	for ( uint pos = 0; pos < strlen(s); pos++ )
	{
#if defined(FS_IS_COLON_AND_BACKSLASH)
		if ( s[pos] == ':' || s[pos] == '\\' )
#elif defined(FS_IS_COLON_AND_SLASH)
		if ( s[pos] == ':' || s[pos] == '/' )
#elif defined(FS_IS_SLASH)
        if ( s[pos] == '/' )
#elif defined(FS_IS_BACKSLASH)
		if ( s[pos] == '\\' )
#elif defined(FS_IS_COLON)
		if ( s[pos] == ':' )
#else
#error Missing file/path separator definition in config.h.
#endif
		{
			last_slash_pos = pos;
		}
	}
	return( &s[last_slash_pos +1] );
}

// Return pointer to file name extension in path.
// The backwards-version.
char* fileExtOfPath(char* s)
{
	uint last_dot_pos = strlen(s);  // assume no dot and append
	for ( int pos = last_dot_pos; pos >= 0; --pos )
	{
		if ( s[pos] == '.' )
		{
			last_dot_pos = pos;
			break;
		}
	}
	return( &s[last_dot_pos] );
}

// Parse input string stream. Read and convert a hexa-decimal number up 
// to a ``,'' or ``:'' or ``\0'' or end of stream.
udword readHex( istrstream& hexin )
{
	udword hexLong = 0;
	char c;
	do
	{
		hexin >> c;
		if ( !hexin )
			break;
		if (( c != ',') && ( c != ':' ) && ( c != 0 ))
		{
			// machine independed to_upper
			c &= 0xdf;
			( c < 0x3a ) ? ( c &= 0x0f ) : ( c -= ( 0x41 - 0x0a ));
			hexLong <<= 4;
			hexLong |= (udword)c;
		}
		else
		{
			if ( c == 0 )
				hexin.putback(c);
			break;
		}
	}  while ( hexin );
	return hexLong;
}

// Parse input string stream. Read and convert a decimal number up 
// to a ``,'' or ``:'' or ``\0'' or end of stream.
udword readDec( istrstream& decin )
{
	udword hexLong = 0;
	char c;
	do
	{
		decin >> c;
		if ( !decin )
			break;
		if (( c != ',') && ( c != ':' ) && ( c != 0 ))
		{
			c &= 0x0f;
			hexLong *= 10;
			hexLong += (udword)c;
		}
		else
		{ 
			if ( c == 0 )
				decin.putback(c);
			break;
		}
	}  while ( decin );
	return hexLong;
}

// Search terminated string for next newline sequence.
// Skip it and return pointer to start of next line.
const char* returnNextLine(const char* s)
{
	// Unix: LF = 0x0A
	// Windows, DOS: CR,LF = 0x0D,0x0A
	// Mac: CR = 0x0D
	char c;
	while ((c = *s) != 0)
	{
		s++;                            // skip read character
		if (c == 0x0A)
		{
			break;                      // LF found
		}
		else if (c == 0x0D)
		{
			if (*s == 0x0A)
			{
				s++;                    // CR,LF found, skip LF
			}
			break;                      // CR or CR,LF found
		}
	}
	if (*s == 0)                        // end of string ?
	{
		return 0;                       // no next line available
	}
	return s;                           // next line available
}

// Skip any characters in an input string stream up to '='.
void skipToEqu( istrstream& parseStream )
{
	char c;
	do
	{
		parseStream >> c;
	}
	while ( c != '=' );
}

void copyStringValueToEOL(const char* pSourceStr, char* pDestStr, int DestMaxLen )
{
	// Start at first character behind '='.
	while ( *pSourceStr != '=' )
	{
		pSourceStr++;
	}
	pSourceStr++;  // Skip '='.
	while (( DestMaxLen > 0 ) && ( *pSourceStr != 0 )
		   && ( *pSourceStr != '\n' ) && ( *pSourceStr != '\r' ))
	{
		*pDestStr++ = *pSourceStr++;
		DestMaxLen--;
	}
	*pDestStr++ = 0;
}