Working on item database

[tpg/opendispense2.git] / server / src / itemdb.c

diff --git a/server/src/itemdb.c b/server/src/itemdb.c
index 116b047..01f801e 100644 (file)
--- a/server/src/itemdb.c
+++ b/server/src/itemdb.c
@@ -9,11 +9,93 @@
  */
 #include <stdlib.h>
 #include <stdio.h>
+#include <string.h>
+#include <ctype.h>
 #include "common.h"
 
 // === GLOBALS ===
  int   giNumItems = 0;
 tItem  *gaItems = NULL;
 tHandler       *gaHandlers = NULL;
+char   *gsItemListFile = DEFAULT_ITEM_FILE;
+
+// === PROTOTYPES ===
+void   Load_Itemlist(void);
+char   *trim(char *__str);
 
 // === CODE ===
+/**
+ * \brief Read the item list from disk
+ */
+void Load_Itemlist(void)
+{
+       FILE    *fp = fopen(gsItemListFile, "r");
+       char    buffer[BUFSIZ];
+       char    *line;
+        int    lineNum = 0;
+       
+       // Error check
+       if(!fp) {
+               fprintf(stderr, "Unable to open item file '%s'\n", gsItemListFile);
+               perror("Unable to open item file");
+       }
+       
+       while( fgets(buffer, BUFSIZ, fp) )
+       {
+               char    *tmp;
+               char    *type, *num, *price, *desc;
+               
+               lineNum ++;
+
+               // Remove comments
+               tmp = strchr(buffer, '#');
+               if(tmp) *tmp = '\0';
+               tmp = strchr(buffer, ';');
+               if(tmp) *tmp = '\0';
+               
+               // Trim whitespace
+               line = trim(buffer);
+               
+               // Parse Line
+               // - Type
+               type = line;
+               // - Number
+               num = strchr(type, ' ');
+               if(num) {
+                       while(*num == ' ' || *num == '\t')      num ++;
+               }
+               else {
+                       fprintf(stderr, "Syntax error on line %i of item file\n", lineNum);
+                       continue;
+               }
+               // - Price
+               price = strchr(num, ' ');
+               if( price ) {
+                       while(*num == ' ' || *num == '\t')      num ++;
+               }
+               else {
+                       fprintf(stderr, "Syntax error on line %i of item file\n", lineNum);
+                       continue;
+               }
+               // - Name/Description
+               desc = strchr(price, ' ');
+       }
+       
+}
+
+char *trim(char *__str)
+{
+       char    *ret;
+        int    i;
+       
+       while( isspace(*__str) )
+               __str++;
+       ret = __str;
+
+       i = strlen(ret);
+       while( i-- && isspace(__str[i]) ) {
+               __str[i] = '\0';
+       }
+
+       return ret;
+}