reorganization

dos/.gitignore

@@ -0,0 +1,2 @@
+brmbar
+brmbar.com

dos/Makefile

@@ -0,0 +1,12 @@
+CC=bcc
+CFLAGS=-Md -W -O
+
+all: brmbar.c
+#	gcc -Wall brmbar.c dataio.c -o brmbar
+	bcc $(CFLAGS) brmbar.c dataio.c gfx.c -o brmbar.com
+
+clean:
+	rm -f brmbar.com brmbar barcodes.svg
+
+dos:
+	dosbox brmbar.com

dos/brmbar.c

@@ -0,0 +1,149 @@
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include "dataio.h"
+
+#define EAN_MAXLEN 16
+#define NAME_MAXLEN 64
+#define PERSON_MAXLEN 16
+#define ITEMS_MAXCOUNT 512
+#define PEOPLE_MAXCOUNT 128
+#define BUFSIZE 128
+
+struct item {
+    char ean[EAN_MAXLEN];
+    char name[NAME_MAXLEN];
+    int price;
+};
+
+struct item items[ITEMS_MAXCOUNT];
+char people[PEOPLE_MAXCOUNT][PERSON_MAXLEN];
+
+int items_count;
+int people_count;
+int last_item = -1;
+
+char buf[BUFSIZE];
+
+void fill_items()
+{
+    FILE *f = fopen("items.txt", "r");
+
+    items_count = 0;
+
+    while (fgets(buf, BUFSIZE, f)) {
+        int i = 0;
+        int begin = 0;
+
+        //Initialize the item
+        items[items_count].ean[0] = 0;
+        items[items_count].name[0] = 0;
+        items[items_count].price = 0;
+
+        //Read the item EAN
+        while (i < BUFSIZE) {
+            if (buf[i] == ';') {
+                buf[i] = 0;
+                strcpy(items[items_count].ean, &buf[begin]);
+                buf[i] = ';';
+                begin = i + 1;
+                break;
+            }
+            i++;
+        }
+
+        //Read the item name
+        i = begin;
+        while (i < BUFSIZE) {
+            if (buf[i] == ';') {
+                buf[i] = 0;
+                strcpy(items[items_count].name, &buf[begin]);
+                buf[i] = ';';
+                begin = i+1;
+                break;
+            }
+            i++;
+        }
+
+        //Use scanf to read the item price
+        i = begin;
+        if (i < BUFSIZE) {
+            sscanf(&buf[i], "%d", &items[items_count].price);
+        }
+
+        items_count++;
+    }
+    fclose(f);
+}
+
+void fill_people()
+{
+    FILE *f = fopen("people.txt", "r");
+    people_count = 0;
+    while (fgets(people[people_count], PERSON_MAXLEN , f)) {
+        char *c = strpbrk(people[people_count], " \t\r\n");
+        if (c) *c = 0;
+        people[people_count][PERSON_MAXLEN-1] = 0;
+        ++people_count;
+    }
+    fclose(f);
+}
+
+void read_input()
+{
+    int i, balance;
+    printf("> ");
+    if (!fgets(buf, BUFSIZE, stdin)) return;
+
+    // scan items
+    for (i = 0; i < items_count; ++i) {
+        if (!strncmp(buf, items[i].ean, strlen(items[i].ean)) && strlen(items[i].ean)+1 == strlen(buf)) {
+            if (items[i].price == 30000) {
+                last_item = -2;
+                printf("\n%s\n\n", items[i].name);
+            } else
+            if (items[i].price == 0) {
+                last_item = -1;
+                printf("\n%s\n\n", items[i].name);
+            } else {
+                last_item = i;
+                printf("\n%s    %d Kc\n\n", items[i].name, abs(items[i].price));
+            }
+            return;
+        }
+    }
+
+    // scan people
+    for (i = 0; i < people_count; ++i) {
+        if (!strncmp( buf, people[i], 3 )) {
+            printf("\nMember %s ", people[i]);
+            if (last_item == -1) {
+                balance = modify_credit(people[i], 0);
+                printf("has %d Kc.\n\n", balance);
+            } else
+            if (last_item == -2) {
+                balance = modify_credit(people[i], 0);
+                modify_credit(people[i], -balance);
+                printf("has credit set to 0 Kc.\n\n");
+            } else {
+                balance = modify_credit(people[i], items[last_item].price);
+                printf("has ordered %s for %d Kc and now has %d Kc.\n\n", items[last_item].name, abs(items[last_item].price), balance);
+                last_item = -1;
+            }
+            return;
+        }
+    }
+
+    // error
+    printf("\nUnknown code %s\n", buf);
+}
+
+int main()
+{
+    fill_items();
+    fill_people();
+    for (;;) {
+        read_input();
+    }
+    return 0;
+}

dos/dataio.c

@@ -0,0 +1,46 @@
+#include <stdio.h>
+#include <string.h>
+#include "dataio.h"
+
+int modify_credit(name, price)
+    const char* name;
+    int price;
+{
+    char filename[20];
+    int i;
+    int credit;
+    FILE* person_data;
+
+    strcpy(filename, "DATA\\");
+    i = 5;
+    strncpy(&filename[i], name, 8);
+    if (strlen(name) > 8) {
+        i += 8;
+    } else {
+        i += strlen(name);
+    }
+    strcpy(&filename[i], ".txt");
+    person_data = fopen(filename, "r");
+
+    if (person_data == NULL) {
+//        printf("Warning: Filename %s does not exist!\n", filename);
+        credit = 0;
+    } else {
+        fscanf(person_data, "%i", &credit);
+        fclose(person_data);
+    }
+
+    // Write only if the price would change credit
+    if (price != 0) {
+        credit += price;
+        person_data = fopen(filename, "w");
+        if (person_data == NULL) {
+//            printf("ERROR: Filename %s could not be created or overwritten!\nCheck system integrity!\n", filename);
+        } else {
+            fprintf(person_data, "%i", credit);
+            fclose(person_data);
+        }
+    }
+
+    return credit;
+}

dos/dataio.h

@@ -0,0 +1,6 @@
+#ifndef _BRMBAR_DATAIO_H_
+#define _BRMBAR_DATAIO_H_
+
+extern int modify_credit(name, price);
+
+#endif

dos/gfx.c

@@ -0,0 +1,35 @@
+#include "gfx.h"
+
+void init_graphics() {
+#asm
+    mov al, #0x13
+    mov ah, #0x0
+    int 0x10
+#endasm
+}
+
+void put_pixel(x, y, color)
+    int x;
+    int y;
+    char color;
+{
+    x = x + y*320;
+#asm
+    mov ax, #0xa000
+    mov es, ax
+    mov al, _put_pixel.color[bp]
+    mov di, _put_pixel.x[bp]
+    seg es
+    mov [di], al
+#endasm
+
+}
+
+void deinit_graphics() {
+#asm
+    mov al, #0x12
+    mov ah, #0x0
+    int 0x10
+#endasm
+}
+

dos/gfx.h

@@ -0,0 +1,14 @@
+#ifndef _BRMBAR_GRAPHIX_H_
+#define _BRMBAR_GRAPHIX_H_
+
+#define COL_WHITE 15
+#define COL_BLACK 0
+
+extern void init_graphics();
+
+extern void put_pixel(x, y, color);
+
+extern void deinit_graphics();
+
+#endif
+

dos/items.txt

@@ -0,0 +1,23 @@
+$02;Credit 20;20
+$05;Credit 50;50
+$10;Credit 100;100
+$20;Credit 200;200
+$50;Credit 500;500
+$1k;Credit 1000;1000
+SHW;SHOW credit;0
+RST;RESET credit;30000
+4029764001807;Club Mate 0.5L;-35
+4029764001821;Club Mate 0.33L;-25
+5018374350930;Tesco Baked Beans in Tomato Sauce;-20
+7622300331436;Delissa mlecna;-10
+7622300331498;Delissa oriskova;-10
+8593868000555;Pivo Branik 10% svetle;-25
+8594404000329;Pivo Gambrinus 10% svetle;-25
+8594404001241;Pivo Radegast 10% svetle;-25
+8594001021512;Matonni perliva 1,5L;-20
+5449000000286;Coca-Cola 2L;-50
+8801043263108;Shin Cup Noodle Soup;-25
+8934646229308;Lucky Beef Flavor;-10
+8594033171902;Big Shock tycinka;-15
+85909311;Margot tycinka;-15
+8584004041198;Tatranky;-8

dos/people.txt

@@ -0,0 +1,32 @@
+abyssal
+alexka
+axtheb
+aym
+b00lean
+biiter
+blami
+chido
+czestmyr
+fissie
+harvie
+jenda
+joe
+johny
+kubicekh
+kxt
+lui
+nephirus
+niekt0
+pasky
+pborky
+prusajr
+rainbof
+ruza
+sargon
+shady
+stevko
+stick
+tma
+tomsuch
+tutchek
+zombie