Lee Kai Xuan / mbed-os

mbed-os

Fork of mbed-os by erkin yucel

features/unsupported/rpc/Arguments.cpp@1:3deb71413561, 2017-07-20 (annotated)

Committer:
xuaner
Date:
Thu Jul 20 14:26:57 2017 +0000
Revision:
1:3deb71413561
Parent:
0:f269e3021894 
mbed_os

Who changed what in which revision?

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elessair 0:f269e3021894 1 /* mbed Microcontroller Library
elessair 0:f269e3021894 2 * Copyright (c) 2006-2013 ARM Limited
elessair 0:f269e3021894 3 *
elessair 0:f269e3021894 4 * Licensed under the Apache License, Version 2.0 (the "License");
elessair 0:f269e3021894 5 * you may not use this file except in compliance with the License.
elessair 0:f269e3021894 6 * You may obtain a copy of the License at
elessair 0:f269e3021894 7 *
elessair 0:f269e3021894 8 * http://www.apache.org/licenses/LICENSE-2.0
elessair 0:f269e3021894 9 *
elessair 0:f269e3021894 10 * Unless required by applicable law or agreed to in writing, software
elessair 0:f269e3021894 11 * distributed under the License is distributed on an "AS IS" BASIS,
elessair 0:f269e3021894 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
elessair 0:f269e3021894 13 * See the License for the specific language governing permissions and
elessair 0:f269e3021894 14 * limitations under the License.
elessair 0:f269e3021894 15 */
elessair 0:f269e3021894 16 #include "mbed.h"
elessair 0:f269e3021894 17 #include "Arguments.h"
elessair 0:f269e3021894 18 #include "pinmap.h"
elessair 0:f269e3021894 19
elessair 0:f269e3021894 20 using namespace std;
elessair 0:f269e3021894 21
elessair 0:f269e3021894 22 namespace mbed {
elessair 0:f269e3021894 23
elessair 0:f269e3021894 24 Arguments::Arguments(const char* rqs) {
elessair 0:f269e3021894 25 obj_name = NULL;
elessair 0:f269e3021894 26 method_name = NULL;
elessair 0:f269e3021894 27 argc = 0;
elessair 0:f269e3021894 28
elessair 0:f269e3021894 29 // This copy can be removed if we can assume the request string is
elessair 0:f269e3021894 30 // persistent and writable for the duration of the call
elessair 0:f269e3021894 31 strcpy(request, rqs);
elessair 0:f269e3021894 32
elessair 0:f269e3021894 33 // Initial '/'
elessair 0:f269e3021894 34 char* p = request;
elessair 0:f269e3021894 35 if (*p != '/') return;
elessair 0:f269e3021894 36 p++;
elessair 0:f269e3021894 37
elessair 0:f269e3021894 38 // Object Name
elessair 0:f269e3021894 39 p = search_arg(&obj_name, p, '/');
elessair 0:f269e3021894 40 if (p == NULL) return;
elessair 0:f269e3021894 41
elessair 0:f269e3021894 42 // Method Name
elessair 0:f269e3021894 43 p = search_arg(&method_name, p, ' ');
elessair 0:f269e3021894 44 if (p == NULL) return;
elessair 0:f269e3021894 45
elessair 0:f269e3021894 46 // Arguments
elessair 0:f269e3021894 47 while (true) {
elessair 0:f269e3021894 48 argv[argc] = NULL;
elessair 0:f269e3021894 49 p = search_arg(&argv[argc], p, ' ');
elessair 0:f269e3021894 50 if (argv[argc] != NULL) argc++;
elessair 0:f269e3021894 51 if (p == NULL) break;
elessair 0:f269e3021894 52 }
elessair 0:f269e3021894 53
elessair 0:f269e3021894 54 index = -1;
elessair 0:f269e3021894 55 }
elessair 0:f269e3021894 56
elessair 0:f269e3021894 57 char* Arguments::search_arg(char **arg, char *p, char next_sep) {
elessair 0:f269e3021894 58 char *s = p;
elessair 0:f269e3021894 59 while (true) {
elessair 0:f269e3021894 60 if ((*p == '/') || (*p == ' ') || (*p == '\n') || (*p == '\0')) break;
elessair 0:f269e3021894 61 p++;
elessair 0:f269e3021894 62 }
elessair 0:f269e3021894 63 if (p == s) return NULL;
elessair 0:f269e3021894 64 *arg = s;
elessair 0:f269e3021894 65 char separator = *p;
elessair 0:f269e3021894 66 *p = '\0';
elessair 0:f269e3021894 67 p++;
elessair 0:f269e3021894 68 return (separator == next_sep) ? (p) : (NULL);
elessair 0:f269e3021894 69 }
elessair 0:f269e3021894 70
elessair 0:f269e3021894 71 template<> PinName Arguments::getArg<PinName>(void) {
elessair 0:f269e3021894 72 index++;
elessair 0:f269e3021894 73 return parse_pins(argv[index]);
elessair 0:f269e3021894 74 }
elessair 0:f269e3021894 75
elessair 0:f269e3021894 76 template<> int Arguments::getArg<int>(void) {
elessair 0:f269e3021894 77 index++;
elessair 0:f269e3021894 78 char *pEnd;
elessair 0:f269e3021894 79 return strtol(argv[index], &pEnd, 10);
elessair 0:f269e3021894 80 }
elessair 0:f269e3021894 81
elessair 0:f269e3021894 82 template<> const char* Arguments::getArg<const char*>(void) {
elessair 0:f269e3021894 83 index++;
elessair 0:f269e3021894 84 return argv[index];
elessair 0:f269e3021894 85 }
elessair 0:f269e3021894 86
elessair 0:f269e3021894 87 template<> char Arguments::getArg<char>(void) {
elessair 0:f269e3021894 88 index++;
elessair 0:f269e3021894 89 return *argv[index];
elessair 0:f269e3021894 90 }
elessair 0:f269e3021894 91
elessair 0:f269e3021894 92 template<> double Arguments::getArg<double>(void) {
elessair 0:f269e3021894 93 index++;
elessair 0:f269e3021894 94 return atof(argv[index]);
elessair 0:f269e3021894 95 }
elessair 0:f269e3021894 96
elessair 0:f269e3021894 97 template<> float Arguments::getArg<float>(void) {
elessair 0:f269e3021894 98 index++;
elessair 0:f269e3021894 99 return atof(argv[index]);
elessair 0:f269e3021894 100 }
elessair 0:f269e3021894 101
elessair 0:f269e3021894 102 Reply::Reply(char* r) {
elessair 0:f269e3021894 103 first = true;
elessair 0:f269e3021894 104 *r = '\0';
elessair 0:f269e3021894 105 reply = r;
elessair 0:f269e3021894 106 }
elessair 0:f269e3021894 107
elessair 0:f269e3021894 108 void Reply::separator(void) {
elessair 0:f269e3021894 109 if (first) {
elessair 0:f269e3021894 110 first = false;
elessair 0:f269e3021894 111 } else {
elessair 0:f269e3021894 112 *reply = ' '; reply++;
elessair 0:f269e3021894 113 }
elessair 0:f269e3021894 114 }
elessair 0:f269e3021894 115
elessair 0:f269e3021894 116 template<> void Reply::putData<const char*>(const char* s) {
elessair 0:f269e3021894 117 separator();
elessair 0:f269e3021894 118 reply += sprintf(reply, "%s", s);
elessair 0:f269e3021894 119 }
elessair 0:f269e3021894 120
elessair 0:f269e3021894 121 template<> void Reply::putData<char*>(char* s) {
elessair 0:f269e3021894 122 separator();
elessair 0:f269e3021894 123 reply += sprintf(reply, "%s", s);
elessair 0:f269e3021894 124 }
elessair 0:f269e3021894 125
elessair 0:f269e3021894 126 template<> void Reply::putData<char>(char c) {
elessair 0:f269e3021894 127 separator();
elessair 0:f269e3021894 128 reply += sprintf(reply, "%c", c);
elessair 0:f269e3021894 129 }
elessair 0:f269e3021894 130
elessair 0:f269e3021894 131 template<> void Reply::putData<int>(int v) {
elessair 0:f269e3021894 132 separator();
elessair 0:f269e3021894 133 reply += sprintf(reply, "%d", v);
elessair 0:f269e3021894 134 }
elessair 0:f269e3021894 135
elessair 0:f269e3021894 136 template<> void Reply::putData<float>(float f) {
elessair 0:f269e3021894 137 separator();
elessair 0:f269e3021894 138 reply += sprintf(reply, "%.17g", f);
elessair 0:f269e3021894 139 }
elessair 0:f269e3021894 140
elessair 0:f269e3021894 141 } // namespace mbed