Diff: Utils.h

Revision:

1:a22e390c70b3

Child:

2:a9d1a9c92927

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Utils.h	Mon Dec 12 02:33:21 2011 +0000
@@ -0,0 +1,82 @@
+/*
+Copyright (c) 2011, Senio Networks, Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+#ifndef UTILS_H
+#define UTILS_H
+
+#include "mbed.h"
+#include <ctype.h>
+#include <stdarg.h>
+
+class Utils {
+public:
+    static int encodeFormUrl(char *s, char *t) {
+        char *head = t;
+        for (char c; (c = *s) != 0; s++)
+            switch (c) {
+                case '\r':
+                    break;
+                case ' ' :
+                    *t++ = '+';
+                    break;
+                default:
+                    t += sprintf(t, isalnum(c) ? "%c" : (c == '\n') ? "\r%c" : "%%%02X", c);
+            }
+        *t = '\0';
+        return t - head;
+    }
+
+    static void encodeBase64(char ibuf[], int length, char *obuf) {
+        const char BASE64[] =
+            "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+        int i, j;
+        for (i = j = 0; j < length; j += 3, i += 4) {
+            long a = ibuf[j] << 16 |
+                     (j + 1 < length ? ibuf[j + 1] << 8 : 0) |
+                     (j + 2 < length ? ibuf[j + 2] : 0);
+            for (int k = 3; k >= 0; k--, a >>= 6)
+                obuf[i + k] = (j + k - 1) < length ? BASE64[a & 63] : '=';
+        }
+        obuf[i] = '\0';
+    }
+
+    static void encodeBase64(char *ibuf, char *obuf) {
+        encodeBase64(ibuf, strlen(ibuf), obuf);
+    }
+
+    static bool fgetValues(FILE *fp, const char *pattern, ...) {
+        va_list argv;
+        va_start(argv, pattern);
+
+        rewind(fp);
+        while (!feof(fp)) {
+            char buf[128];
+            fgets(buf, sizeof(buf) - 1, fp);
+            int ret = vsscanf(buf, pattern, argv);
+            if (ret > 0) {
+                return true;
+            }
+        }
+        return false;
+    }
+};
+#endif
\ No newline at end of file