1 | // |
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2 | // Case-based reasoner |
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3 | // |
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4 | |
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5 | #include <stdlib.h> |
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6 | #include <string.h> |
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7 | #include <stdio.h> |
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8 | |
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9 | #include "cbr.h" |
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10 | |
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11 | struct cbr_s { |
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12 | char filename[64]; |
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13 | char tablename[64]; |
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14 | char command[2048]; |
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15 | sqlite3 *db; |
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16 | unsigned int num_columns; |
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17 | }; |
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18 | |
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19 | int cbr_callback(void *notUsed, int argc, char **argv, char **azColName); |
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20 | |
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21 | cbr cbr_create(char * _filename, char * _tablename, char * _cols[], unsigned int _len) |
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22 | { |
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23 | cbr _cbr = (cbr) malloc(sizeof(struct cbr_s)); |
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24 | |
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25 | // copy filename |
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26 | unsigned int i=0; |
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27 | do { |
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28 | _cbr->filename[i] = _filename[i]; |
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29 | } while (_filename[i++] != '\0'); |
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30 | |
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31 | // copy tablename |
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32 | i=0; |
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33 | do { |
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34 | _cbr->tablename[i] = _tablename[i]; |
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35 | } while (_tablename[i++] != '\0'); |
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36 | |
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37 | _cbr->db = NULL; |
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38 | _cbr->num_columns = _len; |
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39 | |
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40 | // create table |
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41 | strcpy(_cbr->command, "CREATE TABLE "); |
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42 | strcat(_cbr->command, _tablename); |
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43 | strcat(_cbr->command, "("); |
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44 | for (i=0; i<_len; i++) { |
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45 | strcat(_cbr->command, _cols[i]); |
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46 | strcat(_cbr->command, " FLOAT"); |
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47 | if (i != _len-1) |
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48 | strcat(_cbr->command, ", "); |
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49 | } |
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50 | strcat(_cbr->command, ");"); |
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51 | printf("command : %s\n", _cbr->command); |
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52 | |
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53 | // execute command |
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54 | |
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55 | |
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56 | return _cbr; |
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57 | } |
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58 | |
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59 | void cbr_free(cbr _cbr) |
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60 | { |
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61 | // delete table here |
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62 | |
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63 | free(_cbr); |
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64 | } |
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65 | |
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66 | void cbr_print(cbr _cbr) |
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67 | { |
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68 | printf("database %s, table %s:\n", _cbr->filename, _cbr->tablename); |
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69 | } |
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70 | |
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71 | //static |
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72 | int cbr_callback(void *notUsed, int argc, char **argv, char **azColName) |
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73 | { |
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74 | return 0; |
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75 | } |
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76 | |
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77 | int cbr_search(cbr _cbr, char *_names[], int * _ops, float *_vals, unsigned int _n, float *_retvals) |
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78 | { |
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79 | // set up statement |
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80 | |
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81 | char* zErrMsg = NULL; |
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82 | //sqlite3_exec(_cbr->db, argv[2], callback, NULL, &zErrMsg); |
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83 | sqlite3_exec(_cbr->db, _cbr->command, cbr_callback, NULL, &zErrMsg); |
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84 | |
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85 | return 0; |
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86 | } |
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87 | |
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88 | int cbr_add_row(cbr _cbr, char *_cols[], float *_vals, unsigned int _len) |
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89 | { |
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90 | return 0; |
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91 | } |
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92 | |
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