commit 235be506f858d91332e4d699dc05d92e68dd026c
Author: HelloWorld <345980191@qq.com>
Date:   Sat Nov 29 20:12:10 2025 +0800

    添加 demo

diff --git a/demo b/demo
new file mode 100644
index 0000000..54b168f
--- /dev/null
+++ b/demo
@@ -0,0 +1,265 @@
+/* ------------------------------------------------------------------------------------------ */
+#include <stdio.h>
+#include <stdlib.h>
+/* ------------------------------------------------------------------------------------------ */
+#define FAILED 1
+#define SUCCEED 0
+/* ------------------------------------------------------------------------------------------ */
+#define LOCATION_NUM 460
+
+struct location {
+    __uint16_t width;
+    __uint16_t height;
+};
+
+struct location_table {
+    __uint16_t location_num;
+    struct location *location_table;
+};
+
+
+#define STATION_NAME_NUM 124
+
+struct station_name_table {
+    __uint8_t station_name_num;
+    __uint8_t **station_name_table;
+};
+
+#define LINE_NUM 6
+
+struct station_id {
+    __uint16_t line_id: 3;
+    __uint16_t station_id: 6;
+    __uint16_t head_station_tag: 1;
+    __uint16_t tail_station_tag: 1;
+    __uint16_t transfer_station_tag: 1;
+    __uint16_t transfer_station_id: 4;
+};
+
+struct station {
+    struct station_id station_id;
+    __uint8_t station_name_id;
+    __uint32_t location_id;
+};
+
+struct station_table {
+    __uint8_t station_num;
+    struct station *station_table;
+};
+
+struct tstation {
+    struct station_id station_id;
+    __uint8_t near_tstation_num;
+    __uint8_t near_tstation_index[4];
+    __uint8_t near_tstation_station_num[4];
+};
+
+struct tstation_table {
+    __uint8_t tstation_num;
+    struct tstation *tstation_table;
+};
+
+/* ------------------------------------------------------------------------------------------ */
+__uint8_t init_location_table(struct location_table *location_table) {
+
+    location_table -> location_num = LOCATION_NUM;
+    location_table -> location_table = (struct location *) malloc (sizeof(struct location) * LOCATION_NUM);
+
+    /* ----- Open location.way file ----- */
+    FILE *fp = NULL;
+
+    /* ----- Read location.way ----- */
+    if ((fp = fopen("../lib/location.way", "r")) == NULL) {
+        printf(" [ Console ]: Cannot open file location.way\n");
+        return FAILED;
+    }
+
+    __uint16_t tmp_width, tmp_height;
+
+    for (__uint16_t location_table_index = 0; location_table_index < LOCATION_NUM; ++location_table_index) {
+        tmp_width = tmp_height = 0;
+        fgetc(fp);
+        for (__uint8_t width_ch_index = 0; width_ch_index < 5; ++width_ch_index) {
+            tmp_width = tmp_width * 10 + (fgetc(fp) - '0');
+        }
+        fgetc(fp);
+        fgetc(fp);
+        fgetc(fp);
+        for (__uint8_t height_ch_index = 0; height_ch_index < 5; ++height_ch_index) {
+            tmp_height = tmp_height * 10 + (fgetc(fp) - '0');
+        }
+        fgetc(fp);
+        fgetc(fp);
+        ((location_table -> location_table) + location_table_index) -> width = tmp_width;
+        ((location_table -> location_table) + location_table_index) -> height = tmp_height;
+    }
+    
+    fclose(fp);
+
+    printf(" [ Console ]: Initialize location_table successfully\n");
+    
+    return SUCCEED;
+}
+
+__uint8_t init_station_name_table(struct station_name_table *station_name_table) {
+    
+    /* ----- Open station_name.way file ----- */
+    FILE *fp = NULL;
+
+    /* ----- Read station_name.way ----- */
+    if ((fp = fopen("../lib/station_name.way", "r")) == NULL) {
+        printf(" [ Console ]: Cannot open file station_name.way\n");
+        return FAILED;
+    }
+
+    station_name_table -> station_name_num = STATION_NAME_NUM;
+    station_name_table -> station_name_table = (__uint8_t **) malloc (sizeof(__uint8_t *) * STATION_NAME_NUM);
+
+    for (__uint8_t station_name_index1 = 0, station_name_index2, *station_name, station_name_len; station_name_index1 < STATION_NAME_NUM; ++station_name_index1) {
+
+        fgetc(fp);
+        station_name_len = (fgetc(fp) - '0') * 10 + (fgetc(fp) - '0');
+        fgetc(fp);
+        fgetc(fp);
+        fgetc(fp);
+        station_name = *((station_name_table -> station_name_table) + station_name_index1) = (__uint8_t *) malloc (sizeof(__uint8_t) * station_name_len);
+        for (station_name_index2 = 0; station_name_index2 < station_name_len; ++station_name_index2) {
+            *(station_name + station_name_index2) = fgetc(fp);
+        }
+        *(station_name + station_name_len - 1) = '\000';
+        fgetc(fp);
+    }
+
+    fclose(fp);
+
+    printf(" [ Console ]: Initialize station_name_table successfully\n");
+    
+    return SUCCEED;
+}
+
+__uint8_t init_station_table(struct station_table *station_table) {
+
+    /* ----- Open station_id.way file ----- */
+    FILE *fp = NULL;
+
+    /* ----- Read station_id.way ----- */
+    if ((fp = fopen("../lib/station_id.way", "r")) == NULL) {
+        printf(" [ Console ]: Cannot open file station_id.way\n");
+        return FAILED;
+    }
+
+
+
+
+    __uint8_t station_num;
+
+    for (__uint8_t ch_index = 0; ch_index < 15; ++ch_index) fgetc(fp);
+
+    station_num = station_table -> station_num = ((fgetc(fp) - '0') * 10) + (fgetc(fp) - '0');
+    station_table -> station_table = (struct station *) malloc (sizeof(struct station) * station_num);
+
+    fgetc(fp);
+    fgetc(fp);
+
+    for (__uint8_t station_index = 0; station_index < station_num; ++station_index) {
+
+        /* ----- line_id ----- */
+        for (__uint8_t ch_index = 0; ch_index < 11; ++ch_index) fgetc(fp);
+        ((station_table -> station_table) + station_index) -> station_id.line_id = fgetc(fp) - '0';
+
+        /* ----- station_id ----- */
+        for (__uint8_t ch_index = 0; ch_index < 16; ++ch_index) fgetc(fp);
+        ((station_table -> station_table) + station_index) -> station_id.station_id = (fgetc(fp) - '0') * 10 + (fgetc(fp) - '0');
+
+        /* ----- head_station_tag ----- */
+        for (__uint8_t ch_index = 0; ch_index < 22; ++ch_index) fgetc(fp);
+        ((station_table -> station_table) + station_index) -> station_id.head_station_tag = (fgetc(fp) - '0');
+
+        /* ----- tail_station_tag ----- */
+        for (__uint8_t ch_index = 0; ch_index < 22; ++ch_index) fgetc(fp);
+        ((station_table -> station_table) + station_index) -> station_id.tail_station_tag = (fgetc(fp) - '0');
+
+        /* ----- transfer_station_tag ----- */
+        for (__uint8_t ch_index = 0; ch_index < 26; ++ch_index) fgetc(fp);
+        ((station_table -> station_table) + station_index) -> station_id.transfer_station_tag = (fgetc(fp) - '0');
+
+        /* ----- transfer_station_id ----- */
+        for (__uint8_t ch_index = 0; ch_index < 25; ++ch_index) fgetc(fp);
+        ((station_table -> station_table) + station_index) -> station_id.transfer_station_id = (fgetc(fp) - '0') * 10 + (fgetc(fp) - '0');
+
+        /* ----- station_name_id ----- */
+        for (__uint8_t ch_index = 0; ch_index < 21; ++ch_index) fgetc(fp);
+        ((station_table -> station_table) + station_index) -> station_name_id = (fgetc(fp) - '0') * 100 + (fgetc(fp) - '0') * 10 + (fgetc(fp) - '0');
+
+        /* ----- location_id ----- */
+        for (__uint8_t ch_index = 0; ch_index < 17; ++ch_index) fgetc(fp);
+        ((station_table -> station_table) + station_index) -> location_id = (fgetc(fp) - '0') * 100 + (fgetc(fp) - '0') * 10 + (fgetc(fp) - '0');
+
+        fgetc(fp);
+        fgetc(fp);
+    }
+
+    
+
+
+
+
+
+    for (__uint8_t station_index = 0; station_index < station_num; ++station_index) {
+
+        printf("line_id:%d,", ((station_table -> station_table) + station_index) -> station_id.line_id);
+        printf("station_id:%d,", ((station_table -> station_table) + station_index) -> station_id.station_id);
+        printf("head_station_tag:%d,", ((station_table -> station_table) + station_index) -> station_id.head_station_tag);
+
+        /* ----- head_station_tag ----- */
+        for (__uint8_t ch_index = 0; ch_index < 22; ++ch_index) fgetc(fp);
+        ((station_table -> station_table) + station_index) -> station_id.head_station_tag = (fgetc(fp) - '0');
+
+        /* ----- tail_station_tag ----- */
+        for (__uint8_t ch_index = 0; ch_index < 22; ++ch_index) fgetc(fp);
+        ((station_table -> station_table) + station_index) -> station_id.tail_station_tag = (fgetc(fp) - '0');
+
+        /* ----- transfer_station_tag ----- */
+        for (__uint8_t ch_index = 0; ch_index < 26; ++ch_index) fgetc(fp);
+        ((station_table -> station_table) + station_index) -> station_id.transfer_station_tag = (fgetc(fp) - '0');
+
+        /* ----- transfer_station_id ----- */
+        for (__uint8_t ch_index = 0; ch_index < 25; ++ch_index) fgetc(fp);
+        ((station_table -> station_table) + station_index) -> station_id.transfer_station_id = (fgetc(fp) - '0') * 10 + (fgetc(fp) - '0');
+
+        /* ----- station_name_id ----- */
+        for (__uint8_t ch_index = 0; ch_index < 21; ++ch_index) fgetc(fp);
+        ((station_table -> station_table) + station_index) -> station_name_id = (fgetc(fp) - '0') * 100 + (fgetc(fp) - '0') * 10 + (fgetc(fp) - '0');
+
+        /* ----- location_id ----- */
+        for (__uint8_t ch_index = 0; ch_index < 17; ++ch_index) fgetc(fp);
+        ((station_table -> station_table) + station_index) -> location_id = (fgetc(fp) - '0') * 100 + (fgetc(fp) - '0') * 10 + (fgetc(fp) - '0');
+
+        fgetc(fp);
+        fgetc(fp);
+    }
+
+
+
+
+
+    fclose(fp);
+
+    return SUCCEED;
+}
+
+
+int main(int argc, char **argv) {
+
+    struct location_table location_table;
+    struct station_name_table station_name_table;
+    struct station_table line_01_station_table;
+
+
+    init_location_table(&location_table);
+    init_station_name_table(&station_name_table);
+    init_station_table(&line_01_station_table);
+
+
+    return 0;
+}
\ No newline at end of file