Xinlei Cao / Mbed 2 deprecated MbedSmartRestMain

Own fork of MbedSmartRestMain

Dependencies:   C027_Support C12832 LM75B MMA7660 MbedSmartRest mbed-rtos mbed

Fork of MbedSmartRestMain by Cumulocity Official

util/dict.h@102:ede6611e064e, 2015-05-08 (annotated)

Committer:
xinlei
Date:
Fri May 08 13:03:41 2015 +0000
Revision:
102:ede6611e064e
Parent:
100:dbcd3bc51758
Child:
116:5de54f09f754
hotfix: validate configuration content.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
xinlei 95:5dfdc8568e9f 1 #ifndef DICH_H
xinlei 95:5dfdc8568e9f 2 #define DICH_H
xinlei 95:5dfdc8568e9f 3 #include <string.h>
xinlei 100:dbcd3bc51758 4 #include <stdio.h>
xinlei 95:5dfdc8568e9f 5 #define MAX_KEY_LEN 50
xinlei 95:5dfdc8568e9f 6 #define MAX_VALUE_LEN 50
xinlei 98:e369fc75c000 7 #define MAX_ITEM_SIZE 3
xinlei 95:5dfdc8568e9f 8
xinlei 95:5dfdc8568e9f 9 class Dict
xinlei 95:5dfdc8568e9f 10 {
xinlei 95:5dfdc8568e9f 11 public:
xinlei 95:5dfdc8568e9f 12 struct Item {
xinlei 95:5dfdc8568e9f 13 char key[MAX_KEY_LEN];
xinlei 95:5dfdc8568e9f 14 char value[MAX_VALUE_LEN];
xinlei 95:5dfdc8568e9f 15 };
xinlei 95:5dfdc8568e9f 16
xinlei 95:5dfdc8568e9f 17 Dict(): count(0) {}
xinlei 100:dbcd3bc51758 18
xinlei 100:dbcd3bc51758 19 Dict(const Dict& d): count(0) {
xinlei 100:dbcd3bc51758 20 *this = d;
xinlei 100:dbcd3bc51758 21 }
xinlei 100:dbcd3bc51758 22
xinlei 100:dbcd3bc51758 23 Dict& operator= (const Dict& d) {
xinlei 100:dbcd3bc51758 24 clear();
xinlei 100:dbcd3bc51758 25 for (size_t i = 0; i < d.size(); ++i) {
xinlei 100:dbcd3bc51758 26 const Item* p = d.at(i);
xinlei 100:dbcd3bc51758 27 set(p->key, p->value);
xinlei 100:dbcd3bc51758 28 }
xinlei 100:dbcd3bc51758 29 return *this;
xinlei 100:dbcd3bc51758 30 }
xinlei 95:5dfdc8568e9f 31
xinlei 95:5dfdc8568e9f 32 const Item* at(const size_t i) const {
xinlei 95:5dfdc8568e9f 33 if (i < count) return &items[i];
xinlei 95:5dfdc8568e9f 34 else return NULL;
xinlei 95:5dfdc8568e9f 35 }
xinlei 95:5dfdc8568e9f 36
xinlei 95:5dfdc8568e9f 37 const Item* get(const char *k) const {
xinlei 95:5dfdc8568e9f 38 size_t i = find(k);
xinlei 95:5dfdc8568e9f 39 if (i < count)
xinlei 95:5dfdc8568e9f 40 return &items[i];
xinlei 95:5dfdc8568e9f 41 else
xinlei 95:5dfdc8568e9f 42 return NULL;
xinlei 95:5dfdc8568e9f 43 }
xinlei 95:5dfdc8568e9f 44
xinlei 95:5dfdc8568e9f 45 const Item* set(const char *k, const char *v) {
xinlei 95:5dfdc8568e9f 46 size_t i = find(k);
xinlei 95:5dfdc8568e9f 47 if (i < count) {
xinlei 95:5dfdc8568e9f 48 strncpy(items[i].value, v, MAX_VALUE_LEN);
xinlei 95:5dfdc8568e9f 49 return &items[i];
xinlei 95:5dfdc8568e9f 50 } else if (count < MAX_ITEM_SIZE){
xinlei 95:5dfdc8568e9f 51 ++count;
xinlei 95:5dfdc8568e9f 52 strncpy(items[i].key, k, MAX_KEY_LEN);
xinlei 95:5dfdc8568e9f 53 strncpy(items[i].value, v, MAX_VALUE_LEN);
xinlei 95:5dfdc8568e9f 54 return &items[i];
xinlei 95:5dfdc8568e9f 55 } else
xinlei 95:5dfdc8568e9f 56 return NULL;
xinlei 95:5dfdc8568e9f 57 }
xinlei 95:5dfdc8568e9f 58
xinlei 100:dbcd3bc51758 59 size_t dump(char* buf) const {
xinlei 100:dbcd3bc51758 60 size_t l = 0;
xinlei 100:dbcd3bc51758 61 for (size_t i = 0; i < count; ++i) {
xinlei 102:ede6611e064e 62 l += sprintf(buf+l, "%s=%s;\r\n", items[i].key, items[i].value);
xinlei 100:dbcd3bc51758 63 }
xinlei 100:dbcd3bc51758 64 buf[l] = 0;
xinlei 100:dbcd3bc51758 65 return l;
xinlei 100:dbcd3bc51758 66 }
xinlei 100:dbcd3bc51758 67
xinlei 95:5dfdc8568e9f 68 size_t maxSize() const { return MAX_ITEM_SIZE; }
xinlei 95:5dfdc8568e9f 69 size_t size() const { return count; }
xinlei 95:5dfdc8568e9f 70 bool empty() const { return count==0; }
xinlei 95:5dfdc8568e9f 71 bool full() const { return count == MAX_ITEM_SIZE; }
xinlei 98:e369fc75c000 72 void clear() { count = 0; }
xinlei 95:5dfdc8568e9f 73 virtual ~Dict() {}
xinlei 95:5dfdc8568e9f 74 protected:
xinlei 95:5dfdc8568e9f 75 size_t find(const char* k) const {
xinlei 95:5dfdc8568e9f 76 for (size_t i = 0; i < count; ++i) {
xinlei 95:5dfdc8568e9f 77 if (strncmp(items[i].key, k, MAX_KEY_LEN) == 0)
xinlei 95:5dfdc8568e9f 78 return i;
xinlei 95:5dfdc8568e9f 79 }
xinlei 95:5dfdc8568e9f 80 return count;
xinlei 95:5dfdc8568e9f 81 }
xinlei 95:5dfdc8568e9f 82 private:
xinlei 95:5dfdc8568e9f 83 Item items[MAX_ITEM_SIZE];
xinlei 95:5dfdc8568e9f 84 size_t count;
xinlei 95:5dfdc8568e9f 85 };
xinlei 95:5dfdc8568e9f 86
xinlei 100:dbcd3bc51758 87 #endif /* DICH_H */