Austin Buchan / mbed-rpc

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Arguments.cpp@17:09a13faa045c, 2016-05-31 (annotated)

Committer:
abuchan
Date:
Tue May 31 16:25:05 2016 +0000
Revision:
17:09a13faa045c
Parent:
11:325e3da833e1 
Publishing for Biomimetics.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 0:efe8172b4113 1 /* mbed Microcontroller Library
emilmont 1:6919289a5946 2 * Copyright (c) 2006-2013 ARM Limited
mbed_official 0:efe8172b4113 3 *
emilmont 1:6919289a5946 4 * Licensed under the Apache License, Version 2.0 (the "License");
emilmont 1:6919289a5946 5 * you may not use this file except in compliance with the License.
emilmont 1:6919289a5946 6 * You may obtain a copy of the License at
mbed_official 0:efe8172b4113 7 *
emilmont 1:6919289a5946 8 * http://www.apache.org/licenses/LICENSE-2.0
mbed_official 0:efe8172b4113 9 *
emilmont 1:6919289a5946 10 * Unless required by applicable law or agreed to in writing, software
emilmont 1:6919289a5946 11 * distributed under the License is distributed on an "AS IS" BASIS,
emilmont 1:6919289a5946 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
emilmont 1:6919289a5946 13 * See the License for the specific language governing permissions and
emilmont 1:6919289a5946 14 * limitations under the License.
mbed_official 0:efe8172b4113 15 */
mbed_official 11:325e3da833e1 16 #include "mbed.h"
mbed_official 0:efe8172b4113 17 #include "Arguments.h"
mbed_official 0:efe8172b4113 18 #include "pinmap.h"
mbed_official 0:efe8172b4113 19
mbed_official 0:efe8172b4113 20 using namespace std;
mbed_official 0:efe8172b4113 21
mbed_official 0:efe8172b4113 22 namespace mbed {
mbed_official 0:efe8172b4113 23
mbed_official 0:efe8172b4113 24 Arguments::Arguments(const char* rqs) {
mbed_official 0:efe8172b4113 25 obj_name = NULL;
mbed_official 0:efe8172b4113 26 method_name = NULL;
mbed_official 0:efe8172b4113 27 argc = 0;
emilmont 1:6919289a5946 28
mbed_official 0:efe8172b4113 29 // This copy can be removed if we can assume the request string is
mbed_official 0:efe8172b4113 30 // persistent and writable for the duration of the call
mbed_official 0:efe8172b4113 31 strcpy(request, rqs);
emilmont 1:6919289a5946 32
mbed_official 0:efe8172b4113 33 // Initial '/'
mbed_official 0:efe8172b4113 34 char* p = request;
mbed_official 0:efe8172b4113 35 if (*p != '/') return;
mbed_official 0:efe8172b4113 36 p++;
emilmont 1:6919289a5946 37
mbed_official 0:efe8172b4113 38 // Object Name
mbed_official 0:efe8172b4113 39 p = search_arg(&obj_name, p, '/');
mbed_official 0:efe8172b4113 40 if (p == NULL) return;
emilmont 1:6919289a5946 41
mbed_official 0:efe8172b4113 42 // Method Name
mbed_official 0:efe8172b4113 43 p = search_arg(&method_name, p, ' ');
mbed_official 0:efe8172b4113 44 if (p == NULL) return;
emilmont 1:6919289a5946 45
mbed_official 0:efe8172b4113 46 // Arguments
mbed_official 0:efe8172b4113 47 while (true) {
mbed_official 0:efe8172b4113 48 argv[argc] = NULL;
mbed_official 0:efe8172b4113 49 p = search_arg(&argv[argc], p, ' ');
mbed_official 0:efe8172b4113 50 if (argv[argc] != NULL) argc++;
mbed_official 0:efe8172b4113 51 if (p == NULL) break;
mbed_official 0:efe8172b4113 52 }
emilmont 1:6919289a5946 53
mbed_official 0:efe8172b4113 54 index = -1;
mbed_official 0:efe8172b4113 55 }
mbed_official 0:efe8172b4113 56
mbed_official 0:efe8172b4113 57 char* Arguments::search_arg(char **arg, char *p, char next_sep) {
mbed_official 0:efe8172b4113 58 char *s = p;
mbed_official 0:efe8172b4113 59 while (true) {
mbed_official 0:efe8172b4113 60 if ((*p == '/') || (*p == ' ') || (*p == '\n') || (*p == '\0')) break;
mbed_official 0:efe8172b4113 61 p++;
mbed_official 0:efe8172b4113 62 }
mbed_official 0:efe8172b4113 63 if (p == s) return NULL;
mbed_official 0:efe8172b4113 64 *arg = s;
mbed_official 0:efe8172b4113 65 char separator = *p;
mbed_official 0:efe8172b4113 66 *p = '\0';
mbed_official 0:efe8172b4113 67 p++;
mbed_official 0:efe8172b4113 68 return (separator == next_sep) ? (p) : (NULL);
mbed_official 0:efe8172b4113 69 }
mbed_official 0:efe8172b4113 70
mbed_official 0:efe8172b4113 71 template<> PinName Arguments::getArg<PinName>(void) {
mbed_official 0:efe8172b4113 72 index++;
mbed_official 0:efe8172b4113 73 return parse_pins(argv[index]);
mbed_official 0:efe8172b4113 74 }
mbed_official 0:efe8172b4113 75
mbed_official 0:efe8172b4113 76 template<> int Arguments::getArg<int>(void) {
mbed_official 0:efe8172b4113 77 index++;
mbed_official 0:efe8172b4113 78 char *pEnd;
mbed_official 0:efe8172b4113 79 return strtol(argv[index], &pEnd, 10);
mbed_official 0:efe8172b4113 80 }
mbed_official 0:efe8172b4113 81
mbed_official 0:efe8172b4113 82 template<> const char* Arguments::getArg<const char*>(void) {
mbed_official 0:efe8172b4113 83 index++;
mbed_official 0:efe8172b4113 84 return argv[index];
mbed_official 0:efe8172b4113 85 }
mbed_official 0:efe8172b4113 86
mbed_official 0:efe8172b4113 87 template<> char Arguments::getArg<char>(void) {
mbed_official 0:efe8172b4113 88 index++;
mbed_official 0:efe8172b4113 89 return *argv[index];
mbed_official 0:efe8172b4113 90 }
mbed_official 0:efe8172b4113 91
mbed_official 0:efe8172b4113 92 template<> double Arguments::getArg<double>(void) {
mbed_official 0:efe8172b4113 93 index++;
mbed_official 0:efe8172b4113 94 return atof(argv[index]);
mbed_official 0:efe8172b4113 95 }
mbed_official 0:efe8172b4113 96
mbed_official 0:efe8172b4113 97 template<> float Arguments::getArg<float>(void) {
mbed_official 0:efe8172b4113 98 index++;
mbed_official 0:efe8172b4113 99 return atof(argv[index]);
mbed_official 0:efe8172b4113 100 }
mbed_official 0:efe8172b4113 101
mbed_official 0:efe8172b4113 102 Reply::Reply(char* r) {
mbed_official 0:efe8172b4113 103 first = true;
mbed_official 0:efe8172b4113 104 *r = '\0';
mbed_official 0:efe8172b4113 105 reply = r;
mbed_official 0:efe8172b4113 106 }
mbed_official 0:efe8172b4113 107
mbed_official 0:efe8172b4113 108 void Reply::separator(void) {
mbed_official 0:efe8172b4113 109 if (first) {
mbed_official 0:efe8172b4113 110 first = false;
mbed_official 0:efe8172b4113 111 } else {
mbed_official 0:efe8172b4113 112 *reply = ' '; reply++;
mbed_official 0:efe8172b4113 113 }
mbed_official 0:efe8172b4113 114 }
mbed_official 0:efe8172b4113 115
mbed_official 0:efe8172b4113 116 template<> void Reply::putData<const char*>(const char* s) {
mbed_official 0:efe8172b4113 117 separator();
mbed_official 0:efe8172b4113 118 reply += sprintf(reply, "%s", s);
mbed_official 0:efe8172b4113 119 }
mbed_official 0:efe8172b4113 120
mbed_official 0:efe8172b4113 121 template<> void Reply::putData<char*>(char* s) {
mbed_official 0:efe8172b4113 122 separator();
mbed_official 0:efe8172b4113 123 reply += sprintf(reply, "%s", s);
mbed_official 0:efe8172b4113 124 }
mbed_official 0:efe8172b4113 125
mbed_official 0:efe8172b4113 126 template<> void Reply::putData<char>(char c) {
mbed_official 0:efe8172b4113 127 separator();
mbed_official 0:efe8172b4113 128 reply += sprintf(reply, "%c", c);
mbed_official 0:efe8172b4113 129 }
mbed_official 0:efe8172b4113 130
mbed_official 0:efe8172b4113 131 template<> void Reply::putData<int>(int v) {
mbed_official 0:efe8172b4113 132 separator();
mbed_official 0:efe8172b4113 133 reply += sprintf(reply, "%d", v);
mbed_official 0:efe8172b4113 134 }
mbed_official 0:efe8172b4113 135
mbed_official 0:efe8172b4113 136 template<> void Reply::putData<float>(float f) {
mbed_official 0:efe8172b4113 137 separator();
mbed_official 0:efe8172b4113 138 reply += sprintf(reply, "%.17g", f);
mbed_official 0:efe8172b4113 139 }
mbed_official 0:efe8172b4113 140
abuchan 17:09a13faa045c 141 // put by me to accomodate read_u16() of AnalogIn
abuchan 17:09a13faa045c 142 template<> void Reply::putData<unsigned short>(unsigned short uint16) {
abuchan 17:09a13faa045c 143 separator();
abuchan 17:09a13faa045c 144 reply += sprintf(reply, "%u", uint16);
abuchan 17:09a13faa045c 145 }
abuchan 17:09a13faa045c 146
mbed_official 0:efe8172b4113 147 } // namespace mbed