1 files changed, 79 insertions, 0 deletions
diff --git a/csv_to_headers.c b/csv_to_headers.c
new file mode 100644
index 0000000..5845daf
--- /dev/null
+++ b/csv_to_headers.c
@@ -0,0 +1,79 @@
+#include <dirent.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/stat.h>
+
+#define EXT ".csv"
+#define EXT_LEN strlen(".csv")
+#define CSV_PATH "csv"
+#define HEADER_PATH "analyzer/csv"
+
+#define BUFFER_SIZE 256
+#define MAX_ARR_SIZE 4096
+
+void create_header(char *file_name) {
+    // open input file
+    char input_path[BUFFER_SIZE];
+    sprintf(input_path, "%s/%s", CSV_PATH, file_name);
+    FILE *input_fp = fopen(input_path, "r");
+
+    // read field names
+    char from[BUFFER_SIZE], to[BUFFER_SIZE];
+    fscanf(input_fp, "%[^,],%[^\n]", from, to);
+
+    // read values from CSV
+    char from_to_array[MAX_ARR_SIZE][BUFFER_SIZE] = {""};
+    size_t max_index = 0;
+    size_t val1;
+    char val2[BUFFER_SIZE];
+    while (fscanf(input_fp, "%zu,%[^\n]", &val1, val2) == 2) {
+        strcpy(from_to_array[val1], val2);
+        if (val1 > max_index)
+            max_index = val1;
+    }
+
+    // close the input file
+    fclose(input_fp);
+
+    // create output file
+    char output_path[BUFFER_SIZE];
+    sprintf(output_path, "%s/%s_to_%s.h", HEADER_PATH, from, to);
+    FILE *output_fp = fopen(output_path, "w");
+
+    // write comments and beginning of output array
+    fprintf(output_fp, "// %s\n", input_path);
+    fprintf(output_fp, "// array translating %s to %s - generated from csv file\n\n", from, to);
+    fprintf(output_fp, "char *%s_to_%s[] = {\n", from, to);
+
+    // write values
+    for (size_t i = 0; i <= max_index; i++) {
+        if (strlen(from_to_array[i]) > 0)
+            fprintf(output_fp, "    \"%s\",\n", from_to_array[i]);
+        else
+            fprintf(output_fp, "    \"%zu\",\n", i);
+    }
+
+    // write the end of array and len
+    fprintf(output_fp, "};\n");
+    fprintf(output_fp, "int %s_to_%s_len = %zu;", from, to, max_index + 1);
+
+    // close the output file
+    fclose(output_fp);
+}
+
+int main() {
+    // make directory for csv header files
+    mkdir(HEADER_PATH, 0755);
+
+    DIR *csv_dir = opendir(CSV_PATH);
+    struct dirent *entry;
+    while ((entry = readdir(csv_dir))) {
+        char *file_name = entry->d_name;
+        size_t file_name_len = strlen(file_name);
+        // create header for each *.csv file
+        if (file_name_len > EXT_LEN && strcmp(file_name + file_name_len - EXT_LEN, EXT) == 0)
+            create_header(entry->d_name);
+    }
+    closedir(csv_dir);
+    return 0;
+}