Hiroshi Yamaguchi
/
Station
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utils.h@0:d81f611c59ec, 2011-11-30 (annotated)
- Committer:
- yamaguch
- Date:
- Wed Nov 30 04:35:45 2011 +0000
- Revision:
- 0:d81f611c59ec
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| yamaguch | 0:d81f611c59ec | 1 | /* |
| yamaguch | 0:d81f611c59ec | 2 | Copyright (c) 2011, Senio Networks, Inc. |
| yamaguch | 0:d81f611c59ec | 3 | |
| yamaguch | 0:d81f611c59ec | 4 | Permission is hereby granted, free of charge, to any person obtaining a copy |
| yamaguch | 0:d81f611c59ec | 5 | of this software and associated documentation files (the "Software"), to deal |
| yamaguch | 0:d81f611c59ec | 6 | in the Software without restriction, including without limitation the rights |
| yamaguch | 0:d81f611c59ec | 7 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| yamaguch | 0:d81f611c59ec | 8 | copies of the Software, and to permit persons to whom the Software is |
| yamaguch | 0:d81f611c59ec | 9 | furnished to do so, subject to the following conditions: |
| yamaguch | 0:d81f611c59ec | 10 | |
| yamaguch | 0:d81f611c59ec | 11 | The above copyright notice and this permission notice shall be included in |
| yamaguch | 0:d81f611c59ec | 12 | all copies or substantial portions of the Software. |
| yamaguch | 0:d81f611c59ec | 13 | |
| yamaguch | 0:d81f611c59ec | 14 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| yamaguch | 0:d81f611c59ec | 15 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| yamaguch | 0:d81f611c59ec | 16 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| yamaguch | 0:d81f611c59ec | 17 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| yamaguch | 0:d81f611c59ec | 18 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| yamaguch | 0:d81f611c59ec | 19 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| yamaguch | 0:d81f611c59ec | 20 | THE SOFTWARE. |
| yamaguch | 0:d81f611c59ec | 21 | */ |
| yamaguch | 0:d81f611c59ec | 22 | |
| yamaguch | 0:d81f611c59ec | 23 | #ifndef UTILS_H |
| yamaguch | 0:d81f611c59ec | 24 | #define UTILS_H |
| yamaguch | 0:d81f611c59ec | 25 | |
| yamaguch | 0:d81f611c59ec | 26 | #include "mbed.h" |
| yamaguch | 0:d81f611c59ec | 27 | #include <ctype.h> |
| yamaguch | 0:d81f611c59ec | 28 | #include <stdarg.h> |
| yamaguch | 0:d81f611c59ec | 29 | |
| yamaguch | 0:d81f611c59ec | 30 | int encodeFormUrl(char *s, char *t) { |
| yamaguch | 0:d81f611c59ec | 31 | char *head = t; |
| yamaguch | 0:d81f611c59ec | 32 | for (char c; (c = *s) != 0; s++) |
| yamaguch | 0:d81f611c59ec | 33 | switch (c) { |
| yamaguch | 0:d81f611c59ec | 34 | case '\r': |
| yamaguch | 0:d81f611c59ec | 35 | break; |
| yamaguch | 0:d81f611c59ec | 36 | case ' ' : |
| yamaguch | 0:d81f611c59ec | 37 | *t++ = '+'; |
| yamaguch | 0:d81f611c59ec | 38 | break; |
| yamaguch | 0:d81f611c59ec | 39 | default: |
| yamaguch | 0:d81f611c59ec | 40 | t += sprintf(t, isalnum(c) ? "%c" : (c == '\n') ? "\r%c" : "%%%02X", c); |
| yamaguch | 0:d81f611c59ec | 41 | } |
| yamaguch | 0:d81f611c59ec | 42 | *t = '\0'; |
| yamaguch | 0:d81f611c59ec | 43 | return t - head; |
| yamaguch | 0:d81f611c59ec | 44 | } |
| yamaguch | 0:d81f611c59ec | 45 | |
| yamaguch | 0:d81f611c59ec | 46 | void encodeBase64(char ibuf[], int length, char *obuf) { |
| yamaguch | 0:d81f611c59ec | 47 | const char BASE64[] = |
| yamaguch | 0:d81f611c59ec | 48 | "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; |
| yamaguch | 0:d81f611c59ec | 49 | int i, j; |
| yamaguch | 0:d81f611c59ec | 50 | for (i = j = 0; j < length; j += 3, i += 4) { |
| yamaguch | 0:d81f611c59ec | 51 | long a = ibuf[j] << 16 | |
| yamaguch | 0:d81f611c59ec | 52 | (j + 1 < length ? ibuf[j + 1] << 8 : 0) | |
| yamaguch | 0:d81f611c59ec | 53 | (j + 2 < length ? ibuf[j + 2] : 0); |
| yamaguch | 0:d81f611c59ec | 54 | for (int k = 3; k >= 0; k--, a >>= 6) |
| yamaguch | 0:d81f611c59ec | 55 | obuf[i + k] = (j + k - 1) < length ? BASE64[a & 63] : '='; |
| yamaguch | 0:d81f611c59ec | 56 | } |
| yamaguch | 0:d81f611c59ec | 57 | obuf[i] = '\0'; |
| yamaguch | 0:d81f611c59ec | 58 | } |
| yamaguch | 0:d81f611c59ec | 59 | |
| yamaguch | 0:d81f611c59ec | 60 | void encodeBase64(char *ibuf, char *obuf) { |
| yamaguch | 0:d81f611c59ec | 61 | encodeBase64(ibuf, strlen(ibuf), obuf); |
| yamaguch | 0:d81f611c59ec | 62 | } |
| yamaguch | 0:d81f611c59ec | 63 | |
| yamaguch | 0:d81f611c59ec | 64 | bool fgetValues(FILE *fp, const char *pattern, ...) { |
| yamaguch | 0:d81f611c59ec | 65 | va_list argv; |
| yamaguch | 0:d81f611c59ec | 66 | va_start(argv, pattern); |
| yamaguch | 0:d81f611c59ec | 67 | |
| yamaguch | 0:d81f611c59ec | 68 | rewind(fp); |
| yamaguch | 0:d81f611c59ec | 69 | while (!feof(fp)) { |
| yamaguch | 0:d81f611c59ec | 70 | char buf[128]; |
| yamaguch | 0:d81f611c59ec | 71 | fgets(buf, sizeof(buf) - 1, fp); |
| yamaguch | 0:d81f611c59ec | 72 | int ret = vsscanf(buf, pattern, argv); |
| yamaguch | 0:d81f611c59ec | 73 | if (ret > 0) { |
| yamaguch | 0:d81f611c59ec | 74 | return true; |
| yamaguch | 0:d81f611c59ec | 75 | } |
| yamaguch | 0:d81f611c59ec | 76 | } |
| yamaguch | 0:d81f611c59ec | 77 | return false; |
| yamaguch | 0:d81f611c59ec | 78 | } |
| yamaguch | 0:d81f611c59ec | 79 | |
| yamaguch | 0:d81f611c59ec | 80 | #endif |