From f691735c6ce89a19356769084449d3f5691ab030 Mon Sep 17 00:00:00 2001
From: John Wiegley <johnw@newartisans.com>
Date: Wed, 9 Nov 2005 07:11:22 +0000
Subject: Restructed the code that it can build and be used as a shared
 library. The command-line version is still statically bound in the build
 process by default (for the sake of speed).

---
 walk.h | 60 ++++++++++++++++++++++++++++++++++++++++++++----------------
 1 file changed, 44 insertions(+), 16 deletions(-)

(limited to 'walk.h')

diff --git a/walk.h b/walk.h
index 9a37d456..887963bf 100644
--- a/walk.h
+++ b/walk.h
@@ -91,18 +91,17 @@ struct transaction_xdata_t
   unsigned int   index;
   unsigned short dflags;
   std::time_t    date;
+  account_t *    account;
   void *         ptr;
 
-  transaction_xdata_t() : index(0), dflags(0), date(0), ptr(0) {}
+  transaction_xdata_t()
+    : index(0), dflags(0), date(0), account(0), ptr(0) {}
 };
 
 inline bool transaction_has_xdata(const transaction_t& xact) {
   return xact.data != NULL;
 }
 
-extern std::list<transaction_xdata_t> transactions_xdata;
-extern std::list<void **>	      transactions_xdata_ptrs;
-
 inline transaction_xdata_t& transaction_xdata_(const transaction_t& xact) {
   return *((transaction_xdata_t *) xact.data);
 }
@@ -110,6 +109,17 @@ inline transaction_xdata_t& transaction_xdata_(const transaction_t& xact) {
 transaction_xdata_t& transaction_xdata(const transaction_t& xact);
 void add_transaction_to(const transaction_t& xact, value_t& value);
 
+inline account_t * xact_account(transaction_t& xact) {
+  account_t * account = transaction_xdata(xact).account;
+  if (account)
+    return account;
+  return xact.account;
+}
+
+inline const account_t * xact_account(const transaction_t& xact) {
+  return xact_account(const_cast<transaction_t&>(xact));
+}
+
 //////////////////////////////////////////////////////////////////////
 
 inline void walk_transactions(transactions_list::iterator begin,
@@ -136,8 +146,6 @@ inline void walk_entries(entries_list& list,
   walk_entries(list.begin(), list.end(), handler);
 }
 
-void clear_transactions_xdata();
-
 //////////////////////////////////////////////////////////////////////
 
 class ignore_transactions : public item_handler<transaction_t>
@@ -146,6 +154,17 @@ class ignore_transactions : public item_handler<transaction_t>
   virtual void operator()(transaction_t& xact) {}
 };
 
+class clear_transaction_xdata : public item_handler<transaction_t>
+{
+ public:
+  virtual void operator()(transaction_t& xact) {
+    if (xact.data) {
+      delete (transaction_xdata_t *) xact.data;
+      xact.data = NULL;
+    }
+  }
+};
+
 class truncate_entries : public item_handler<transaction_t>
 {
   int head_count;
@@ -594,9 +613,6 @@ inline bool account_has_xdata(const account_t& account) {
   return account.data != NULL;
 }
 
-extern std::list<account_xdata_t> accounts_xdata;
-extern std::list<void **>	  accounts_xdata_ptrs;
-
 inline account_xdata_t& account_xdata_(const account_t& account) {
   return *((account_xdata_t *) account.data);
 }
@@ -605,6 +621,17 @@ account_xdata_t& account_xdata(const account_t& account);
 
 //////////////////////////////////////////////////////////////////////
 
+class clear_account_xdata : public item_handler<account_t>
+{
+ public:
+  virtual void operator()(account_t& acct) {
+    if (acct.data) {
+      delete (account_xdata_t *) acct.data;
+      acct.data = NULL;
+    }
+  }
+};
+
 void sum_accounts(account_t& account);
 
 typedef std::deque<account_t *> accounts_deque;
@@ -619,18 +646,19 @@ void walk_accounts(account_t&		    account,
 		   item_handler<account_t>& handler,
 		   const std::string&       sort_string);
 
-void clear_accounts_xdata();
-
-inline void clear_all_xdata() {
-  clear_transactions_xdata();
-  clear_accounts_xdata();
-}
-
 //////////////////////////////////////////////////////////////////////
 
 void walk_commodities(commodities_map& commodities,
 		      item_handler<transaction_t>& handler);
 
+inline void clear_journal_xdata(journal_t * journal) {
+  clear_transaction_xdata xact_cleaner;
+  walk_entries(journal->entries, xact_cleaner);
+
+  clear_account_xdata acct_cleaner;
+  walk_accounts(*journal->master, acct_cleaner);
+}
+
 } // namespace ledger
 
 #endif // _WALK_H
-- 
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