Commit fc996bc8ee2a8414235eef515cdad8794dac93d0

Authored by mdupre1
1 parent 634be673

version 2(affichage et structure de personnes)

Showing 1 changed file with 153 additions and 0 deletions   Show diff stats
src/csv_reader_V2.c 0 → 100644
... ... @@ -0,0 +1,153 @@
  1 +#include <stdio.h>
  2 +#include <string.h>
  3 +#include <stdbool.h>
  4 +#include <stdlib.h>
  5 +
  6 +typedef struct Personne Personne;
  7 +struct Personne {int athId; int regId; int divId; char* lastName; char* firstName; char gender; int age; char* weight; char* height; int affiliateId; char* affiliateName; int overallScrore; int overallRank; int score18_1; char* scoreDisplay18_1; int rank18_1; int score18_2; char* scoreDisplay18_2; int rank18_2;int score18_2a; char* scoreDisplay18_2a; int rank18_2a;int score18_3; char* scoreDisplay18_3; int rank18_3;int score18_4; char* scoreDisplay18_4; int rank18_4;int score18_5; char* scoreDisplay18_5; int rank18_5; Personne* suivant};
  8 +typedef Personne* Liste;
  9 +
  10 +
  11 +affiche_header_top50()
  12 +{
  13 + printf("Index nom prenom score");
  14 +}
  15 +
  16 +affiche_header_recherche()
  17 +{
  18 + printf("athId nom prenom gender age taille poids score18.1 score18.2 score 18.2a score18.3 score18.4 score18.5");
  19 +}
  20 +
  21 +affiche_top50(Personne P, int i)
  22 +{
  23 + printf("%d %s %s %d", i , P.lastName, P.firstName, P.score);
  24 +}
  25 +
  26 +affiche_recherche(Personne P)
  27 +{
  28 + printf("%d %s %s %c %d %s %s %", P.athId, P.lastName, P.firstName, P.gender, P.age, P.height, P.weight, P.);
  29 +}
  30 +
  31 +// Conditionals
  32 +const bool IS_DEBUG = true;
  33 +
  34 +// Constants
  35 +const unsigned int BUFFER_SIZE = 2048;
  36 +const unsigned int FIELD_SIZE = 20;
  37 +const char CSV_DELIMITERS[] = ",";
  38 +
  39 +// Globals
  40 +char** CSV_HEADER_FIELDS;
  41 +unsigned int CSV_NB_FIELDS;
  42 +
  43 +void display_header()
  44 +{
  45 + for(unsigned int i = 0; i < CSV_NB_FIELDS; i++)
  46 + {
  47 + printf("%d - %s\n", i, CSV_HEADER_FIELDS[i]);
  48 + }
  49 +}
  50 +
  51 +void read_csv_header(char * header_line)
  52 +{
  53 + int line_length = strlen(header_line);
  54 + int nb_fields = 0;
  55 + char* string_ptr = header_line;
  56 +
  57 + // Count the occurrences of delimiters
  58 + while (NULL != string_ptr)
  59 + {
  60 + nb_fields++;
  61 + string_ptr = strpbrk(string_ptr, CSV_DELIMITERS);
  62 + if (NULL != string_ptr)
  63 + {
  64 + string_ptr++;
  65 + }
  66 + }
  67 +
  68 + // Globals allocation
  69 + CSV_NB_FIELDS = nb_fields;
  70 + CSV_HEADER_FIELDS = malloc( nb_fields * sizeof(char*) );
  71 +
  72 + char* token = strtok(header_line, CSV_DELIMITERS); // strtok init.
  73 +
  74 +
  75 +
  76 + // Re-read the line to get the header of the columns
  77 + for (unsigned int i = 0; i < nb_fields; i++)
  78 + {
  79 + CSV_HEADER_FIELDS[i] = malloc( FIELD_SIZE * sizeof(char) ); // alloc
  80 + memset(CSV_HEADER_FIELDS[i], 0, FIELD_SIZE); // 0 init.
  81 + strcpy(CSV_HEADER_FIELDS[i], token); // copy field in the structure
  82 + token = strtok(NULL, CSV_DELIMITERS); // loop to get a new field label
  83 + // printf("%s ", *token);
  84 + }
  85 +
  86 + if (IS_DEBUG) display_header();
  87 +}
  88 +
  89 +void read_csv_file(const char * filename)
  90 +{
  91 + FILE* fp = fopen(filename, "r");
  92 + char buffer[BUFFER_SIZE];
  93 +
  94 + // Check if the file is really opened
  95 + if (NULL == fp)
  96 + {
  97 + fprintf(stderr, "Unable to open file: %s\n", filename);
  98 + return;
  99 + }
  100 +
  101 + // 1st row is a header with field descriptions
  102 + fgets(buffer, BUFFER_SIZE, fp);
  103 + read_csv_header(buffer);
  104 +
  105 + // Remaining rows are the entries
  106 + while ( NULL != fgets(buffer, BUFFER_SIZE, fp) )
  107 + {
  108 + char* token;
  109 + unsigned int i = 0;
  110 +
  111 + // strtok init.
  112 + token = strtok(buffer, CSV_DELIMITERS);
  113 +
  114 + while (NULL != token)
  115 + {
  116 + if (IS_DEBUG) printf("Field %d is %s\n", i++, token);
  117 +
  118 + // ...
  119 + // you can strcpy the `token` string in your data structures
  120 + // ...
  121 +
  122 + token = strtok(NULL, CSV_DELIMITERS);
  123 + }
  124 + }
  125 +
  126 + fclose(fp);
  127 +}
  128 +
  129 +void usage(const char * prog_name)
  130 +{
  131 + printf("Usage is %s your_csv_file\n\n", prog_name);
  132 +}
  133 +
  134 +int main(int argc, char * argv[])
  135 +{
  136 +
  137 + printf("test \n");
  138 + if (2 != argc)
  139 + {
  140 + usage(argv[0]);
  141 + return 0;
  142 + }
  143 +
  144 + read_csv_file(argv[1]);
  145 +
  146 + for(unsigned int i = 0; i < CSV_NB_FIELDS; i++)
  147 + {
  148 + free(CSV_HEADER_FIELDS[i]);
  149 + }
  150 + free(CSV_HEADER_FIELDS);
  151 +
  152 + return 0;
  153 +}
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