From e95ea133d0953953ba74f4e5c6163706194971cb Mon Sep 17 00:00:00 2001
From: John Wiegley <johnw@newartisans.com>
Date: Mon, 29 Sep 2003 07:06:02 +0000
Subject: Initial revision

---
 ledger.cc | 124 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 124 insertions(+)
 create mode 100644 ledger.cc

(limited to 'ledger.cc')

diff --git a/ledger.cc b/ledger.cc
new file mode 100644
index 00000000..64a2381a
--- /dev/null
+++ b/ledger.cc
@@ -0,0 +1,124 @@
+#include <vector>
+
+#include "ledger.h"
+
+namespace ledger {
+
+commodities_t commodities;
+commodity *   commodity_usd;
+
+accounts_t accounts;
+
+void entry::print(std::ostream& out) const
+{
+  char buf[32];
+  std::strftime(buf, 31, "%Y.%m.%d ", std::localtime(&date));
+  out << buf;
+
+  if (cleared)
+    out << "* ";
+  if (! code.empty())
+    out << '(' << code << ") ";
+  if (! desc.empty())
+    out << " " << desc;
+
+  out << std::endl;
+
+  for (std::list<transaction *>::const_iterator i = xacts.begin();
+       i != xacts.end();
+       i++) {
+    out << "    ";
+
+    std::string acct_name;
+    for (account * acct = (*i)->acct;
+	 acct;
+	 acct = acct->parent) {
+      if (acct_name.empty())
+	acct_name = acct->name;
+      else
+	acct_name = acct->name + ":" + acct_name;
+    }
+
+    out.width(30);
+    out << std::left << acct_name << "  ";
+
+    out.width(10);
+    out << std::right << *((*i)->cost);
+
+    if (! (*i)->note.empty())
+      out << " ; " << (*i)->note;
+
+    out << std::endl;
+  }
+}
+
+bool entry::validate() const
+{
+  totals balance;
+
+  for (std::list<transaction *>::const_iterator i = xacts.begin();
+       i != xacts.end();
+       i++) {
+    balance.credit((*i)->cost->value());
+  }
+
+  if (balance) {
+    std::cout << "Totals are:" << std::endl;
+    balance.print(std::cout);
+  }
+  return ! balance;             // must balance to 0.0
+}
+
+void totals::credit(const totals& other)
+{
+  for (const_iterator_t i = other.amounts.begin();
+       i != other.amounts.end();
+       i++) {
+    credit((*i).second);
+  }
+}
+
+totals::operator bool() const
+{
+  for (const_iterator_t i = amounts.begin(); i != amounts.end(); i++)
+    if (*((*i).second))
+      return true;
+  return false;
+}
+
+void totals::print(std::ostream& out) const
+{
+ for (const_iterator_t i = amounts.begin(); i != amounts.end(); i++)
+   std::cout << (*i).first << " = " << *((*i).second) << std::endl;
+}
+
+amount * totals::value(const std::string& commodity)
+{
+  // Render all of the amounts into the given commodity.  This
+  // requires known prices for each commodity.
+
+  amount * total = create_amount((commodity + " 0.00").c_str());
+
+  for (iterator_t i = amounts.begin(); i != amounts.end(); i++)
+    *total += *((*i).second);
+
+  return total;
+}
+
+// Print out the entire ledger that was read in, but now sorted.
+// This can be used to "wash" ugly ledger files.
+
+void print_ledger(std::ostream& out, std::vector<entry *>& ledger)
+{
+  // Sort the list of entries by date, then print them in order.
+
+  std::sort(ledger.begin(), ledger.end(), cmp_entry_date());
+
+  for (std::vector<entry *>::const_iterator i = ledger.begin();
+       i != ledger.end();
+       i++) {
+    (*i)->print(out);
+  }
+}
+
+} // namespace ledger
-- 
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