86 lines
2.4 KiB
C
86 lines
2.4 KiB
C
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char* cvtcsv_header = ""
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"typedef struct {\n"
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" Incenter_City_Id city;\n"
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" u32 year;\n"
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" Incenter_Month_Id month;\n"
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" r32 value_0;\n"
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" r32 value_1;\n"
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" r32 value_2;\n"
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"} Incenter_Test_Data_Row;\n";
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internal char*
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cvtcsv_seek_comma(char* at)
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{
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char* result = at;
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while (*result && *result != ',') { result++; }
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return result;
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}
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internal void
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cvtcsv_process_line(u32 line_number, char* start, char* end, FILE* out)
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{
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char* col_end_0 = cvtcsv_seek_comma(start);
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char* col_end_1 = cvtcsv_seek_comma(col_end_0 + 1);
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char* col_end_2 = cvtcsv_seek_comma(col_end_1 + 1);
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char* col_end_3 = cvtcsv_seek_comma(col_end_2 + 1);
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char* col_end_4 = end - 1; // -1 because line endings are \r\n
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char* col_start_1 = col_end_0 + 1;
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char* col_start_2 = col_end_1 + 1;
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char* col_start_3 = col_end_2 + 1;
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char* col_start_4 = col_end_3 + 1;
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s32 col_len_0 = (u32)(col_end_0 - start);
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s32 col_len_1 = (u32)(col_end_1 - (col_end_0 + 1));
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s32 col_len_2 = (u32)(col_end_2 - (col_end_1 + 1));
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s32 col_len_3 = (u32)(col_end_3 - (col_end_2 + 1));
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s32 col_len_4 = (u32)(col_end_4 - (col_end_3 + 1));
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fprintf(out, "[%d] = {", line_number);
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fprintf(out, " %.*s, ", col_len_1, col_start_1); // city id
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fprintf(out, " %.*s, ", col_len_2, col_start_2); // year
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fprintf(out, " %.*s, ", col_len_3, col_start_3); // month
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fprintf(out, " %.*sf, ", col_len_4, col_start_4); // value 1
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fprintf(out, " 0, 0 },\n");
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}
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internal void
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cvtcsv_convert(String path)
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{
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// this is hardcoded for a particular kind of csv
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scratch_get(scratch);
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File_Handle csv_file = os_file_open(path, FileAccess_Read, FileCreate_OpenExisting);
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Data csv_data = os_file_read_all(csv_file, scratch.a);
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String csv = (String){
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.str = csv_data.base,
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.len = csv_data.size,
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.cap = csv_data.size
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};
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FILE* out = fopen("./data/incenter_test_data.c", "wb");
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fprintf(out, "%s", cvtcsv_header);
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fprintf(out, "static Incenter_Test_Data_Row test_data[] = {\n");
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char* at = (char*)csv.str;
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u32 col = 0;
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u32 line = 0;
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char* line_start = at;
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while (*at != 0)
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{
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if (*at == ',') col += 1;
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if (*at == '\n') {
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cvtcsv_process_line(line, line_start, at, out);
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line += 1;
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col = 0;
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line_start = at + 1;
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}
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at++;
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}
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cvtcsv_process_line(line, line_start, at, out);
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fprintf(out, "};\nglobal u32 test_data_len = sizeof(test_data) / sizeof(test_data[0]);");
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printf("Done");
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fclose(out);
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scratch_release(scratch);
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}
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