joey shelton / LED_Demo2

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Dependencies:   MAX44000 PWM_Tone_Library nexpaq_mdk

Fork of LED_Demo by joey shelton

mbd_os/libraries/rpc/Arguments.cpp@9:6bb35cef007d, 2016-10-22 (annotated)

Committer:
cyberjoey
Date:
Sat Oct 22 01:31:58 2016 +0000
Revision:
9:6bb35cef007d
Parent:
1:55a6170b404f 
WORKING

Who changed what in which revision?

UserRevisionLine numberNew contents of line
nexpaq 1:55a6170b404f 1 /* mbed Microcontroller Library
nexpaq 1:55a6170b404f 2 * Copyright (c) 2006-2013 ARM Limited
nexpaq 1:55a6170b404f 3 *
nexpaq 1:55a6170b404f 4 * Licensed under the Apache License, Version 2.0 (the "License");
nexpaq 1:55a6170b404f 5 * you may not use this file except in compliance with the License.
nexpaq 1:55a6170b404f 6 * You may obtain a copy of the License at
nexpaq 1:55a6170b404f 7 *
nexpaq 1:55a6170b404f 8 * http://www.apache.org/licenses/LICENSE-2.0
nexpaq 1:55a6170b404f 9 *
nexpaq 1:55a6170b404f 10 * Unless required by applicable law or agreed to in writing, software
nexpaq 1:55a6170b404f 11 * distributed under the License is distributed on an "AS IS" BASIS,
nexpaq 1:55a6170b404f 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
nexpaq 1:55a6170b404f 13 * See the License for the specific language governing permissions and
nexpaq 1:55a6170b404f 14 * limitations under the License.
nexpaq 1:55a6170b404f 15 */
nexpaq 1:55a6170b404f 16 #include "mbed.h"
nexpaq 1:55a6170b404f 17 #include "Arguments.h"
nexpaq 1:55a6170b404f 18 #include "pinmap.h"
nexpaq 1:55a6170b404f 19
nexpaq 1:55a6170b404f 20 using namespace std;
nexpaq 1:55a6170b404f 21
nexpaq 1:55a6170b404f 22 namespace mbed {
nexpaq 1:55a6170b404f 23
nexpaq 1:55a6170b404f 24 Arguments::Arguments(const char* rqs) {
nexpaq 1:55a6170b404f 25 obj_name = NULL;
nexpaq 1:55a6170b404f 26 method_name = NULL;
nexpaq 1:55a6170b404f 27 argc = 0;
nexpaq 1:55a6170b404f 28
nexpaq 1:55a6170b404f 29 // This copy can be removed if we can assume the request string is
nexpaq 1:55a6170b404f 30 // persistent and writable for the duration of the call
nexpaq 1:55a6170b404f 31 strcpy(request, rqs);
nexpaq 1:55a6170b404f 32
nexpaq 1:55a6170b404f 33 // Initial '/'
nexpaq 1:55a6170b404f 34 char* p = request;
nexpaq 1:55a6170b404f 35 if (*p != '/') return;
nexpaq 1:55a6170b404f 36 p++;
nexpaq 1:55a6170b404f 37
nexpaq 1:55a6170b404f 38 // Object Name
nexpaq 1:55a6170b404f 39 p = search_arg(&obj_name, p, '/');
nexpaq 1:55a6170b404f 40 if (p == NULL) return;
nexpaq 1:55a6170b404f 41
nexpaq 1:55a6170b404f 42 // Method Name
nexpaq 1:55a6170b404f 43 p = search_arg(&method_name, p, ' ');
nexpaq 1:55a6170b404f 44 if (p == NULL) return;
nexpaq 1:55a6170b404f 45
nexpaq 1:55a6170b404f 46 // Arguments
nexpaq 1:55a6170b404f 47 while (true) {
nexpaq 1:55a6170b404f 48 argv[argc] = NULL;
nexpaq 1:55a6170b404f 49 p = search_arg(&argv[argc], p, ' ');
nexpaq 1:55a6170b404f 50 if (argv[argc] != NULL) argc++;
nexpaq 1:55a6170b404f 51 if (p == NULL) break;
nexpaq 1:55a6170b404f 52 }
nexpaq 1:55a6170b404f 53
nexpaq 1:55a6170b404f 54 index = -1;
nexpaq 1:55a6170b404f 55 }
nexpaq 1:55a6170b404f 56
nexpaq 1:55a6170b404f 57 char* Arguments::search_arg(char **arg, char *p, char next_sep) {
nexpaq 1:55a6170b404f 58 char *s = p;
nexpaq 1:55a6170b404f 59 while (true) {
nexpaq 1:55a6170b404f 60 if ((*p == '/') || (*p == ' ') || (*p == '\n') || (*p == '\0')) break;
nexpaq 1:55a6170b404f 61 p++;
nexpaq 1:55a6170b404f 62 }
nexpaq 1:55a6170b404f 63 if (p == s) return NULL;
nexpaq 1:55a6170b404f 64 *arg = s;
nexpaq 1:55a6170b404f 65 char separator = *p;
nexpaq 1:55a6170b404f 66 *p = '\0';
nexpaq 1:55a6170b404f 67 p++;
nexpaq 1:55a6170b404f 68 return (separator == next_sep) ? (p) : (NULL);
nexpaq 1:55a6170b404f 69 }
nexpaq 1:55a6170b404f 70
nexpaq 1:55a6170b404f 71 template<> PinName Arguments::getArg<PinName>(void) {
nexpaq 1:55a6170b404f 72 index++;
nexpaq 1:55a6170b404f 73 return parse_pins(argv[index]);
nexpaq 1:55a6170b404f 74 }
nexpaq 1:55a6170b404f 75
nexpaq 1:55a6170b404f 76 template<> int Arguments::getArg<int>(void) {
nexpaq 1:55a6170b404f 77 index++;
nexpaq 1:55a6170b404f 78 char *pEnd;
nexpaq 1:55a6170b404f 79 return strtol(argv[index], &pEnd, 10);
nexpaq 1:55a6170b404f 80 }
nexpaq 1:55a6170b404f 81
nexpaq 1:55a6170b404f 82 template<> const char* Arguments::getArg<const char*>(void) {
nexpaq 1:55a6170b404f 83 index++;
nexpaq 1:55a6170b404f 84 return argv[index];
nexpaq 1:55a6170b404f 85 }
nexpaq 1:55a6170b404f 86
nexpaq 1:55a6170b404f 87 template<> char Arguments::getArg<char>(void) {
nexpaq 1:55a6170b404f 88 index++;
nexpaq 1:55a6170b404f 89 return *argv[index];
nexpaq 1:55a6170b404f 90 }
nexpaq 1:55a6170b404f 91
nexpaq 1:55a6170b404f 92 template<> double Arguments::getArg<double>(void) {
nexpaq 1:55a6170b404f 93 index++;
nexpaq 1:55a6170b404f 94 return atof(argv[index]);
nexpaq 1:55a6170b404f 95 }
nexpaq 1:55a6170b404f 96
nexpaq 1:55a6170b404f 97 template<> float Arguments::getArg<float>(void) {
nexpaq 1:55a6170b404f 98 index++;
nexpaq 1:55a6170b404f 99 return atof(argv[index]);
nexpaq 1:55a6170b404f 100 }
nexpaq 1:55a6170b404f 101
nexpaq 1:55a6170b404f 102 Reply::Reply(char* r) {
nexpaq 1:55a6170b404f 103 first = true;
nexpaq 1:55a6170b404f 104 *r = '\0';
nexpaq 1:55a6170b404f 105 reply = r;
nexpaq 1:55a6170b404f 106 }
nexpaq 1:55a6170b404f 107
nexpaq 1:55a6170b404f 108 void Reply::separator(void) {
nexpaq 1:55a6170b404f 109 if (first) {
nexpaq 1:55a6170b404f 110 first = false;
nexpaq 1:55a6170b404f 111 } else {
nexpaq 1:55a6170b404f 112 *reply = ' '; reply++;
nexpaq 1:55a6170b404f 113 }
nexpaq 1:55a6170b404f 114 }
nexpaq 1:55a6170b404f 115
nexpaq 1:55a6170b404f 116 template<> void Reply::putData<const char*>(const char* s) {
nexpaq 1:55a6170b404f 117 separator();
nexpaq 1:55a6170b404f 118 reply += sprintf(reply, "%s", s);
nexpaq 1:55a6170b404f 119 }
nexpaq 1:55a6170b404f 120
nexpaq 1:55a6170b404f 121 template<> void Reply::putData<char*>(char* s) {
nexpaq 1:55a6170b404f 122 separator();
nexpaq 1:55a6170b404f 123 reply += sprintf(reply, "%s", s);
nexpaq 1:55a6170b404f 124 }
nexpaq 1:55a6170b404f 125
nexpaq 1:55a6170b404f 126 template<> void Reply::putData<char>(char c) {
nexpaq 1:55a6170b404f 127 separator();
nexpaq 1:55a6170b404f 128 reply += sprintf(reply, "%c", c);
nexpaq 1:55a6170b404f 129 }
nexpaq 1:55a6170b404f 130
nexpaq 1:55a6170b404f 131 template<> void Reply::putData<int>(int v) {
nexpaq 1:55a6170b404f 132 separator();
nexpaq 1:55a6170b404f 133 reply += sprintf(reply, "%d", v);
nexpaq 1:55a6170b404f 134 }
nexpaq 1:55a6170b404f 135
nexpaq 1:55a6170b404f 136 template<> void Reply::putData<float>(float f) {
nexpaq 1:55a6170b404f 137 separator();
nexpaq 1:55a6170b404f 138 reply += sprintf(reply, "%.17g", f);
nexpaq 1:55a6170b404f 139 }
nexpaq 1:55a6170b404f 140
nexpaq 1:55a6170b404f 141 } // namespace mbed