Diff: mbd_os/libraries/rpc/Arguments.cpp

Revision:

1:55a6170b404f

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbd_os/libraries/rpc/Arguments.cpp	Sat Sep 17 16:32:05 2016 +0000
@@ -0,0 +1,141 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "mbed.h"
+#include "Arguments.h"
+#include "pinmap.h"
+
+using namespace std;
+
+namespace mbed {
+
+Arguments::Arguments(const char* rqs) {
+    obj_name = NULL;
+    method_name = NULL;
+    argc = 0;
+
+    // This copy can be removed if we can assume the request string is
+    // persistent and writable for the duration of the call
+    strcpy(request, rqs);
+
+    // Initial '/'
+    char* p = request;
+    if (*p != '/') return;
+    p++;
+
+    // Object Name
+    p = search_arg(&obj_name, p, '/');
+    if (p == NULL) return;
+
+    // Method Name
+    p = search_arg(&method_name, p, ' ');
+    if (p == NULL) return;
+
+    // Arguments
+    while (true) {
+        argv[argc] = NULL;
+        p = search_arg(&argv[argc], p, ' ');
+        if (argv[argc] != NULL) argc++;
+        if (p == NULL) break;
+    }
+
+    index = -1;
+}
+
+char* Arguments::search_arg(char **arg, char *p, char next_sep) {
+    char *s = p;
+    while (true) {
+        if ((*p == '/') || (*p == ' ') || (*p == '\n') || (*p == '\0')) break;
+        p++;
+    }
+    if (p == s) return NULL;
+    *arg = s;
+    char separator = *p;
+    *p = '\0';
+    p++;
+    return (separator == next_sep) ? (p) : (NULL);
+}
+
+template<> PinName Arguments::getArg<PinName>(void) {
+    index++;
+    return parse_pins(argv[index]);
+}
+
+template<> int Arguments::getArg<int>(void) {
+    index++;
+    char *pEnd;
+    return strtol(argv[index], &pEnd, 10);
+}
+
+template<> const char* Arguments::getArg<const char*>(void) {
+    index++;
+    return argv[index];
+}
+
+template<> char Arguments::getArg<char>(void) {
+    index++;
+    return *argv[index];
+}
+
+template<> double Arguments::getArg<double>(void) {
+    index++;
+    return atof(argv[index]);
+}
+
+template<> float Arguments::getArg<float>(void) {
+    index++;
+    return atof(argv[index]);
+}
+
+Reply::Reply(char* r) {
+    first = true;
+    *r = '\0';
+    reply = r;
+}
+
+void Reply::separator(void) {
+    if (first) {
+        first = false;
+    } else {
+        *reply = ' '; reply++;
+    }
+}
+
+template<> void Reply::putData<const char*>(const char* s) {
+    separator();
+    reply += sprintf(reply, "%s", s);
+}
+
+template<> void Reply::putData<char*>(char* s) {
+    separator();
+    reply += sprintf(reply, "%s", s);
+}
+
+template<> void Reply::putData<char>(char c) {
+    separator();
+    reply += sprintf(reply, "%c", c);
+}
+
+template<> void Reply::putData<int>(int v) {
+    separator();
+    reply += sprintf(reply, "%d", v);
+}
+
+template<> void Reply::putData<float>(float f) {
+    separator();
+    reply += sprintf(reply, "%.17g", f);
+}
+
+} // namespace mbed