added a custom transaction formatter, format_entries, used by "print"

format.cc

@@ -332,12 +332,15 @@ void format_t::format(std::ostream& out, const details_t& details) const
 		 = details.entry->transactions.begin();
 	       i != details.entry->transactions.end();
 	       i++) {
+	    if (transaction_has_xdata(**i) &&
+		transaction_xdata(**i).dflags & TRANSACTION_TO_DISPLAY) {
 	      xacts_count++;
 
 	      if (! first)
 		first = *i;
 	      last = *i;
 	    }
+	  }
 
 	  use_disp = (xacts_count == 2 && details.xact == last &&
 		      first->amount == - last->amount);
@@ -406,6 +409,35 @@ void format_transactions::operator()(transaction_t& xact)
   }
 }
 
+void format_entries::format_last_entry()
+{
+  bool first = true;
+  for (transactions_list::const_iterator i = last_entry->transactions.begin();
+       i != last_entry->transactions.end();
+       i++) {
+    if (transaction_has_xdata(**i) &&
+	transaction_xdata(**i).dflags & TRANSACTION_TO_DISPLAY) {
+      if (first) {
+	first_line_format.format(output_stream, details_t(**i));
+	first = false;
+      } else {
+	next_lines_format.format(output_stream, details_t(**i));
+      }
+      transaction_xdata(**i).dflags |= TRANSACTION_DISPLAYED;
+    }
+  }
+}
+
+void format_entries::operator()(transaction_t& xact)
+{
+  if (last_entry && xact.entry != last_entry)
+    format_last_entry();
+
+  transaction_xdata(xact).dflags |= TRANSACTION_TO_DISPLAY;
+
+  last_entry = xact.entry;
+}
+
 bool disp_subaccounts_p(const account_t&		 account,
 			const item_predicate<account_t>& disp_pred,
 			const account_t *&		 to_show)

format.h

@@ -90,6 +90,7 @@ struct format_t
 
 class format_transactions : public item_handler<transaction_t>
 {
+ protected:
   std::ostream& output_stream;
   format_t	first_line_format;
   format_t	next_lines_format;
@@ -102,7 +103,23 @@ class format_transactions : public item_handler<transaction_t>
   virtual void flush() {
     output_stream.flush();
   }
+  virtual void operator()(transaction_t& xact);
+};
 
+class format_entries : public format_transactions
+{
+ public:
+  format_entries(std::ostream& output_stream, const std::string& format)
+    : format_transactions(output_stream, format) {}
+
+  void format_last_entry();
+
+  virtual void flush() {
+    format_last_entry();
+    last_entry = NULL;
+
+    format_transactions::flush();
+  }
   virtual void operator()(transaction_t& xact);
 };
 
@@ -113,7 +130,7 @@ bool disp_subaccounts_p(const account_t& account,
 inline bool disp_subaccounts_p(const account_t& account) {
   const account_t * temp;
   return disp_subaccounts_p(account, item_predicate<account_t>(NULL), temp);
- }
+}
 
 bool display_account(const account_t& account,
 		     const item_predicate<account_t>& disp_pred);

main.cc

@@ -248,13 +248,14 @@ int parse_and_report(int argc, char * argv[], char * envp[])
   item_handler<transaction_t> * formatter;
   std::list<item_handler<transaction_t> *> formatter_ptrs;
 
-  if (command == "b" || command == "E") {
+  if (command == "b" || command == "E")
     formatter = new set_account_value;
-    formatter = chain_formatters(command, formatter, formatter_ptrs);
+  else if (command == "p")
-  } else {
+    formatter = new format_entries(*out, *format);
+  else
     formatter = new format_transactions(*out, *format);
+
   formatter = chain_formatters(command, formatter, formatter_ptrs);
-  }
 
   if (command == "e")
     walk_transactions(new_entry->transactions, *formatter);

main.py

@@ -18,6 +18,8 @@ import os
 import sys
 import string
 
+true, false = 1, 0
+
 from ledger import *
 
 # Create the main journal object, into which all entries will be
@@ -141,7 +143,7 @@ else:
 # these, but they rely on I/O streams, which Boost.Python does not
 # provide a conversion layer for.
 
-class FormatTransaction (TransactionHandler):
+class FormatTransactions (TransactionHandler):
     last_entry = None
     output     = None
 
@@ -176,10 +178,41 @@ class FormatTransaction (TransactionHandler):
 	    if self.nformatter is not None and \
 	       self.last_entry is not None and \
 	       xact.entry == self.last_entry:
-		self.output.write(self.nformatter.format(xact))
+		self.output.write (self.nformatter.format (xact))
 	    else:
-		self.output.write(self.formatter.format(xact))
+		self.output.write (self.formatter.format (xact))
 		self.last_entry = xact.entry
+	    transaction_xdata (xact).dflags |= TRANSACTION_DISPLAYED
+
+class FormatEntries (FormatTransactions):
+    def __init__ (self, fmt):
+	self.last_entry = None
+	FormatTransactions.__init__(self, fmt)
+
+    def flush (self):
+	self.format_last_entry ()
+	self.last_entry = None
+	FormatTransactions.flush (self)
+
+    def format_last_entry (self):
+	first = true
+	for x in self.last_entry:
+	    if transaction_has_xdata (x) and \
+	       transaction_xdata (x).dflags & TRANSACTION_TO_DISPLAY:
+		if first or self.nformatter is None:
+		    self.output.write (self.formatter.format (x))
+		    first = false
+		else:
+		    self.output.write (self.nformatter.format (x))
+	    transaction_xdata (x).dflags |= TRANSACTION_TO_DISPLAY
+
+    def __call__ (self, xact):
+	if self.last_entry and self.last_entry != xact.entry:
+	    self.format_last_entry ()
+
+	transaction_xdata (xact).dflags |= TRANSACTION_TO_DISPLAY
+
+	self.last_entry = xact.entry;
 
 class FormatAccount (AccountHandler):
     output = None
@@ -218,8 +251,10 @@ class FormatAccount (AccountHandler):
 
 if command == "b" or command == "E":
     handler = SetAccountValue()
+elif command == "p":
+    handler = FormatEntries(format)
 else:
-    handler = FormatTransaction(format)
+    handler = FormatTransactions(format)
 
 # Chain transaction filters on top of the base handler.  Most of these
 # filters customize the output for reporting.  None of this is done
@@ -286,7 +321,7 @@ handler.flush ()
 # the transactions that were just walked.
 
 if command == "b":
-    acct_formatter = FormatAccount (format, config.display_predicate)
+    acct_formatter = FormatAccounts (format, config.display_predicate)
     sum_accounts (journal.master)
     walk_accounts (journal.master, acct_formatter, config.sort_string)
     acct_formatter.flush ()

walk.cc

@@ -457,6 +457,7 @@ void export_walk()
   typedef item_handler<transaction_t> xact_handler_t;
 
   scope().attr("TRANSACTION_HANDLED")	 = TRANSACTION_HANDLED;
+  scope().attr("TRANSACTION_TO_DISPLAY") = TRANSACTION_TO_DISPLAY;
   scope().attr("TRANSACTION_DISPLAYED")  = TRANSACTION_DISPLAYED;
   scope().attr("TRANSACTION_NO_TOTAL")	 = TRANSACTION_NO_TOTAL;
 
@@ -565,8 +566,8 @@ void export_walk()
 
   typedef item_handler<account_t> account_handler_t;
 
-  scope().attr("ACCOUNT_DISPLAYED")  = ACCOUNT_DISPLAYED;
   scope().attr("ACCOUNT_TO_DISPLAY") = ACCOUNT_TO_DISPLAY;
+  scope().attr("ACCOUNT_DISPLAYED")  = ACCOUNT_DISPLAYED;
 
   class_< account_xdata_t > ("AccountXData")
     .def_readwrite("value", &account_xdata_t::value)

walk.h

@@ -66,8 +66,9 @@ class compare_items {
 //
 
 #define TRANSACTION_HANDLED    0x0001
-#define TRANSACTION_DISPLAYED 0x0002
+#define TRANSACTION_TO_DISPLAY 0x0002
-#define TRANSACTION_NO_TOTAL  0x0004
+#define TRANSACTION_DISPLAYED  0x0004
+#define TRANSACTION_NO_TOTAL   0x0008
 
 struct transaction_xdata_t
 {
@@ -404,8 +405,8 @@ class related_transactions : public item_handler<transaction_t>
 // Account walking functions
 //
 
-#define ACCOUNT_DISPLAYED  0x1
+#define ACCOUNT_TO_DISPLAY 0x1
-#define ACCOUNT_TO_DISPLAY 0x2
+#define ACCOUNT_DISPLAYED  0x2
 
 struct account_xdata_t
 {