Station API
Utils.h@1:a22e390c70b3, 2011-12-12 (annotated)
- Committer:
- yamaguch
- Date:
- Mon Dec 12 02:33:21 2011 +0000
- Revision:
- 1:a22e390c70b3
- Child:
- 2:a9d1a9c92927
0.1
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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yamaguch | 1:a22e390c70b3 | 1 | /* |
yamaguch | 1:a22e390c70b3 | 2 | Copyright (c) 2011, Senio Networks, Inc. |
yamaguch | 1:a22e390c70b3 | 3 | |
yamaguch | 1:a22e390c70b3 | 4 | Permission is hereby granted, free of charge, to any person obtaining a copy |
yamaguch | 1:a22e390c70b3 | 5 | of this software and associated documentation files (the "Software"), to deal |
yamaguch | 1:a22e390c70b3 | 6 | in the Software without restriction, including without limitation the rights |
yamaguch | 1:a22e390c70b3 | 7 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
yamaguch | 1:a22e390c70b3 | 8 | copies of the Software, and to permit persons to whom the Software is |
yamaguch | 1:a22e390c70b3 | 9 | furnished to do so, subject to the following conditions: |
yamaguch | 1:a22e390c70b3 | 10 | |
yamaguch | 1:a22e390c70b3 | 11 | The above copyright notice and this permission notice shall be included in |
yamaguch | 1:a22e390c70b3 | 12 | all copies or substantial portions of the Software. |
yamaguch | 1:a22e390c70b3 | 13 | |
yamaguch | 1:a22e390c70b3 | 14 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
yamaguch | 1:a22e390c70b3 | 15 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
yamaguch | 1:a22e390c70b3 | 16 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
yamaguch | 1:a22e390c70b3 | 17 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
yamaguch | 1:a22e390c70b3 | 18 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
yamaguch | 1:a22e390c70b3 | 19 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
yamaguch | 1:a22e390c70b3 | 20 | THE SOFTWARE. |
yamaguch | 1:a22e390c70b3 | 21 | */ |
yamaguch | 1:a22e390c70b3 | 22 | |
yamaguch | 1:a22e390c70b3 | 23 | #ifndef UTILS_H |
yamaguch | 1:a22e390c70b3 | 24 | #define UTILS_H |
yamaguch | 1:a22e390c70b3 | 25 | |
yamaguch | 1:a22e390c70b3 | 26 | #include "mbed.h" |
yamaguch | 1:a22e390c70b3 | 27 | #include <ctype.h> |
yamaguch | 1:a22e390c70b3 | 28 | #include <stdarg.h> |
yamaguch | 1:a22e390c70b3 | 29 | |
yamaguch | 1:a22e390c70b3 | 30 | class Utils { |
yamaguch | 1:a22e390c70b3 | 31 | public: |
yamaguch | 1:a22e390c70b3 | 32 | static int encodeFormUrl(char *s, char *t) { |
yamaguch | 1:a22e390c70b3 | 33 | char *head = t; |
yamaguch | 1:a22e390c70b3 | 34 | for (char c; (c = *s) != 0; s++) |
yamaguch | 1:a22e390c70b3 | 35 | switch (c) { |
yamaguch | 1:a22e390c70b3 | 36 | case '\r': |
yamaguch | 1:a22e390c70b3 | 37 | break; |
yamaguch | 1:a22e390c70b3 | 38 | case ' ' : |
yamaguch | 1:a22e390c70b3 | 39 | *t++ = '+'; |
yamaguch | 1:a22e390c70b3 | 40 | break; |
yamaguch | 1:a22e390c70b3 | 41 | default: |
yamaguch | 1:a22e390c70b3 | 42 | t += sprintf(t, isalnum(c) ? "%c" : (c == '\n') ? "\r%c" : "%%%02X", c); |
yamaguch | 1:a22e390c70b3 | 43 | } |
yamaguch | 1:a22e390c70b3 | 44 | *t = '\0'; |
yamaguch | 1:a22e390c70b3 | 45 | return t - head; |
yamaguch | 1:a22e390c70b3 | 46 | } |
yamaguch | 1:a22e390c70b3 | 47 | |
yamaguch | 1:a22e390c70b3 | 48 | static void encodeBase64(char ibuf[], int length, char *obuf) { |
yamaguch | 1:a22e390c70b3 | 49 | const char BASE64[] = |
yamaguch | 1:a22e390c70b3 | 50 | "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; |
yamaguch | 1:a22e390c70b3 | 51 | int i, j; |
yamaguch | 1:a22e390c70b3 | 52 | for (i = j = 0; j < length; j += 3, i += 4) { |
yamaguch | 1:a22e390c70b3 | 53 | long a = ibuf[j] << 16 | |
yamaguch | 1:a22e390c70b3 | 54 | (j + 1 < length ? ibuf[j + 1] << 8 : 0) | |
yamaguch | 1:a22e390c70b3 | 55 | (j + 2 < length ? ibuf[j + 2] : 0); |
yamaguch | 1:a22e390c70b3 | 56 | for (int k = 3; k >= 0; k--, a >>= 6) |
yamaguch | 1:a22e390c70b3 | 57 | obuf[i + k] = (j + k - 1) < length ? BASE64[a & 63] : '='; |
yamaguch | 1:a22e390c70b3 | 58 | } |
yamaguch | 1:a22e390c70b3 | 59 | obuf[i] = '\0'; |
yamaguch | 1:a22e390c70b3 | 60 | } |
yamaguch | 1:a22e390c70b3 | 61 | |
yamaguch | 1:a22e390c70b3 | 62 | static void encodeBase64(char *ibuf, char *obuf) { |
yamaguch | 1:a22e390c70b3 | 63 | encodeBase64(ibuf, strlen(ibuf), obuf); |
yamaguch | 1:a22e390c70b3 | 64 | } |
yamaguch | 1:a22e390c70b3 | 65 | |
yamaguch | 1:a22e390c70b3 | 66 | static bool fgetValues(FILE *fp, const char *pattern, ...) { |
yamaguch | 1:a22e390c70b3 | 67 | va_list argv; |
yamaguch | 1:a22e390c70b3 | 68 | va_start(argv, pattern); |
yamaguch | 1:a22e390c70b3 | 69 | |
yamaguch | 1:a22e390c70b3 | 70 | rewind(fp); |
yamaguch | 1:a22e390c70b3 | 71 | while (!feof(fp)) { |
yamaguch | 1:a22e390c70b3 | 72 | char buf[128]; |
yamaguch | 1:a22e390c70b3 | 73 | fgets(buf, sizeof(buf) - 1, fp); |
yamaguch | 1:a22e390c70b3 | 74 | int ret = vsscanf(buf, pattern, argv); |
yamaguch | 1:a22e390c70b3 | 75 | if (ret > 0) { |
yamaguch | 1:a22e390c70b3 | 76 | return true; |
yamaguch | 1:a22e390c70b3 | 77 | } |
yamaguch | 1:a22e390c70b3 | 78 | } |
yamaguch | 1:a22e390c70b3 | 79 | return false; |
yamaguch | 1:a22e390c70b3 | 80 | } |
yamaguch | 1:a22e390c70b3 | 81 | }; |
yamaguch | 1:a22e390c70b3 | 82 | #endif |