add a currency trading account type

git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@1179 57a11ea4-9604-0410-9ed3-97b8803252fd

src/engine/AccInfo.c

@@ -15,9 +15,10 @@ char *account_type_name[NUM_ACCOUNT_TYPES] =
 	INCOME_STR, 
 	EXPENSE_STR, 
 	EQUITY_STR,
-        CHECKING_STR,
-        SAVINGS_STR,
+	CHECKING_STR,
+	SAVINGS_STR,
 	MONEYMRKT_STR,
-	CREDITLINE_STR
+	CREDITLINE_STR,
+	CURRENCY_STR
    };
 

src/engine/AccInfo.h

@@ -89,13 +89,13 @@ enum
   MONEYMRKT = 12,
   CREDITLINE = 13,     /* line of credit */
 
-  /* CURRENCY = 20, */
+  CURRENCY = 14, 
   /* The currency account type indicates that the account is a currency trading 
    * account.  In many ways, a currency trading account is like a stock trading
    * account, where both quantities and prices are set.
    */
 
-  NUM_ACCOUNT_TYPES = 14
+  NUM_ACCOUNT_TYPES = 15
 };
 
 /* hack alert -- we need a better way of dealing with

src/engine/Account.c

@@ -674,7 +674,16 @@ xaccAccountSetType (Account *acc, int tip)
    if (!acc) return;
    CHECK (acc);
 
-   /* hack alert -- check for a valid type */
+   /* After an account type has been set, it cannot be changed */
+   if (-1 < acc->type) {
+      printf ("Error: xaccAccountSetType(): "
+              "the type of the account cannot be changed "
+              "after its been set! \n"
+             );
+      return;
+   }
+
+   /* hack alert -- check to make sure type is valid ... */
    acc->type = tip;
 }
 
@@ -682,7 +691,7 @@ void
 xaccAccountSetName (Account *acc, char *str)
 {
    char * tmp;
-   if (!acc) return;
+   if ((!acc) || (!str)) return;
    CHECK (acc);
 
    /* make strdup before freeing */
@@ -695,7 +704,7 @@ void
 xaccAccountSetDescription (Account *acc, char *str)
 {
    char * tmp;
-   if (!acc) return;
+   if ((!acc) || (!str)) return;
    CHECK (acc);
 
    /* make strdup before freeing */
@@ -717,6 +726,22 @@ xaccAccountSetNotes (Account *acc, char *str)
    acc->notes = tmp;
 }
 
+void 
+xaccAccountSetCurrency (Account *acc, char *str)
+{
+   if ((!acc) || (!str)) return;
+   CHECK (acc);
+
+   if (acc->currency) {
+      printf ("Error: xacAccountSetCurrency(): "
+              "the currency denomination of an account "
+              "cannot be changed!\n"
+             );
+      return;
+   }
+   acc->currency = strdup (str);
+}
+
 /********************************************************************\
 \********************************************************************/
 
@@ -762,6 +787,13 @@ xaccAccountGetNotes (Account *acc)
    return (acc->notes);
 }
 
+char * 
+xaccAccountGetCurrency (Account *acc)
+{
+   if (!acc) return NULL;
+   return (acc->notes);
+}
+
 double
 xaccAccountGetBalance (Account *acc)
 {

src/engine/Account.h

@@ -52,7 +52,7 @@ int          xaccGetAccountID (Account *);
 /*
  * The xaccAccountInsertSplit() method will insert the indicated
  *    split into the indicated account.  If the split already 
- *    belongs to anothe account, it will be removed from that
+ *    belongs to another account, it will be removed from that
  *    account first. 
  */
 void         xaccAccountInsertSplit (Account *, Split *);
@@ -101,11 +101,13 @@ void xaccAccountSetType (Account *, int);
 void xaccAccountSetName (Account *, char *);
 void xaccAccountSetDescription (Account *, char *);
 void xaccAccountSetNotes (Account *, char *);
+void xaccAccountSetCurrency (Account *, char *);
 
 int            xaccAccountGetType (Account *);
 char *         xaccAccountGetName (Account *);
 char *         xaccAccountGetDescription (Account *);
 char *         xaccAccountGetNotes (Account *);
+char *         xaccAccountGetCurrency (Account *);
 AccountGroup * xaccAccountGetChildren (Account *);
 AccountGroup * xaccAccountGetParent (Account *);