1 | /*****************************************************************************/ |
2 | /* */ |
3 | /* scanstrbuf.h */ |
4 | /* */ |
5 | /* Small scanner for input from a StrBuf */ |
6 | /* */ |
7 | /* */ |
8 | /* */ |
9 | /* (C) 2002-2009, Ullrich von Bassewitz */ |
10 | /* Roemerstrasse 52 */ |
11 | /* D-70794 Filderstadt */ |
12 | /* EMail: uz@cc65.org */ |
13 | /* */ |
14 | /* */ |
15 | /* This software is provided 'as-is', without any expressed or implied */ |
16 | /* warranty. In no event will the authors be held liable for any damages */ |
17 | /* arising from the use of this software. */ |
18 | /* */ |
19 | /* Permission is granted to anyone to use this software for any purpose, */ |
20 | /* including commercial applications, and to alter it and redistribute it */ |
21 | /* freely, subject to the following restrictions: */ |
22 | /* */ |
23 | /* 1. The origin of this software must not be misrepresented; you must not */ |
24 | /* claim that you wrote the original software. If you use this software */ |
25 | /* in a product, an acknowledgment in the product documentation would be */ |
26 | /* appreciated but is not required. */ |
27 | /* 2. Altered source versions must be plainly marked as such, and must not */ |
28 | /* be misrepresented as being the original software. */ |
29 | /* 3. This notice may not be removed or altered from any source */ |
30 | /* distribution. */ |
31 | /* */ |
32 | /*****************************************************************************/ |
33 | |
34 | |
35 | |
36 | #ifndef SCANSTRBUF_H |
37 | #define SCANSTRBUF_H |
38 | |
39 | |
40 | |
41 | /* common */ |
42 | #include "strbuf.h" |
43 | |
44 | |
45 | |
46 | /*****************************************************************************/ |
47 | /* Code */ |
48 | /*****************************************************************************/ |
49 | |
50 | |
51 | |
52 | void SB_SkipWhite (StrBuf* B); |
53 | /* Skip whitespace in the string buffer */ |
54 | |
55 | int SB_GetSym (StrBuf* B, StrBuf* Ident, const char* SpecialChars); |
56 | /* Get a symbol from the string buffer. If SpecialChars is not NULL, it |
57 | ** points to a string that contains characters allowed within the string in |
58 | ** addition to letters, digits and the underline. Note: The identifier must |
59 | ** still begin with a letter. |
60 | ** Returns 1 if a symbol was found and 0 otherwise but doesn't output any |
61 | ** errors. |
62 | */ |
63 | |
64 | int SB_GetString (StrBuf* B, StrBuf* S); |
65 | /* Get a string from the string buffer. Returns 1 if a string was found and 0 |
66 | ** otherwise. Errors are only output in case of invalid strings (missing end |
67 | ** of string). |
68 | */ |
69 | |
70 | int SB_GetNumber (StrBuf* B, long* Val); |
71 | /* Get a number from the string buffer. Accepted formats are decimal, octal, |
72 | ** hex and character constants. Numeric constants may be preceeded by a |
73 | ** minus or plus sign. The function returns 1 if a number was found and |
74 | ** zero otherwise. Errors are only output for invalid numbers. |
75 | */ |
76 | |
77 | |
78 | |
79 | /* End of scanstrbuf.h */ |
80 | |
81 | #endif |
82 | |