escape codes in format strings; can now redefine individual report formats

config.cc

@@ -5,15 +5,15 @@ namespace ledger {
 
 config_t * config = NULL;
 
-const std::string bal_fmt	 = "%20T  %2_%-n\n";
-const std::string reg_fmt
+std::string bal_fmt	 = "%20T  %2_%-n\n";
+std::string reg_fmt
   = "%D %-.20P %-.22N %12.66t %12.80T\n\
 %/                                %-.22N %12.66t %12.80T\n";
-const std::string plot_value_fmt = "%D %t\n";
-const std::string plot_total_fmt = "%D %T\n";
-const std::string print_fmt
+std::string plot_value_fmt = "%D %t\n";
+std::string plot_total_fmt = "%D %T\n";
+std::string print_fmt
   = "\n%D %X%C%P\n    %-34N  %12o\n%/    %-34N  %12o\n";
-const std::string equity_fmt
+std::string equity_fmt
   = "\n%D %X%C%P\n%/    %-34N  %12t\n";
 
 config_t::config_t()
@@ -71,7 +71,10 @@ Report filtering:\n\
   -R, --real            consider only non-virtual transactions\n\n\
   -r, --related         calculate report using related transactions\n\
 Output customization:\n\
-  -F, --format STR      use STR as the report format\n\
+  -F, --format STR      use STR as the format; for each report type, use:\n\
+			  --balance-format   --equity-format\n\
+			  --register-format  --plot-value-format\n\
+			  --print-format     --plot-total-format\n\
   -y, --date-format STR use STR as the date format (def: %Y/%m/%d)\n\
   -E, --empty           balance: show accounts with zero balance\n\
   -n, --collapse        register: collapse entries with multiple transactions\n\
@@ -213,6 +216,30 @@ OPT_BEGIN(date_format, "y:") {
   config->date_format = optarg;
 } OPT_END(date_format);
 
+OPT_BEGIN(balance_format, ":") {
+  bal_fmt = optarg;
+} OPT_END(balance_format);
+
+OPT_BEGIN(register_format, ":") {
+  reg_fmt = optarg;
+} OPT_END(register_format);
+
+OPT_BEGIN(plot_value_format, ":") {
+  plot_value_fmt = optarg;
+} OPT_END(plot_value_format);
+
+OPT_BEGIN(plot_total_format, ":") {
+  plot_total_fmt = optarg;
+} OPT_END(plot_total_format);
+
+OPT_BEGIN(print_format, ":") {
+  print_fmt = optarg;
+} OPT_END(print_format);
+
+OPT_BEGIN(equity_format, ":") {
+  equity_fmt = optarg;
+} OPT_END(equity_format);
+
 OPT_BEGIN(empty, "E") {
   config->show_empty = true;
 } OPT_END(empty);

config.h

@@ -8,12 +8,12 @@
 
 namespace ledger {
 
-extern const std::string bal_fmt;
-extern const std::string reg_fmt;
-extern const std::string plot_value_fmt;
-extern const std::string plot_total_fmt;
-extern const std::string print_fmt;
-extern const std::string equity_fmt;
+extern std::string bal_fmt;
+extern std::string reg_fmt;
+extern std::string plot_value_fmt;
+extern std::string plot_total_fmt;
+extern std::string print_fmt;
+extern std::string equity_fmt;
 
 struct config_t
 {

format.cc

@@ -53,7 +53,7 @@ element_t * format_t::parse_elements(const std::string& fmt)
   char * q = buf;
 
   for (const char * p = fmt.c_str(); *p; p++) {
-    if (*p != '%') {
+    if (*p != '%' && *p != '\\') {
       *q++ = *p;
       continue;
     }
@@ -75,6 +75,20 @@ element_t * format_t::parse_elements(const std::string& fmt)
       current = current->next;
     }
 
+    if (*p == '\\') {
+      p++;
+      current->type = element_t::STRING;
+      switch (*p) {
+      case 'b': current->chars = "\b"; break;
+      case 'f': current->chars = "\f"; break;
+      case 'n': current->chars = "\n"; break;
+      case 'r': current->chars = "\r"; break;
+      case 't': current->chars = "\t"; break;
+      case 'v': current->chars = "\v"; break;
+      }
+      continue;
+    }
+
     ++p;
     if (*p == '-') {
       current->align_left = true;

option.h

@@ -41,11 +41,11 @@ void process_environment(char ** envp, const std::string& tag);
   std::vector<option_t> option_handler::options;	\
   option_handler_map    option_handler::handlers
 
-#define OPT_BEGIN(tag, chars)					\
-  static struct tag ## _handler : public option_handler {	\
-    tag ## _handler() : option_handler(#tag, chars) {}		\
+#define OPT_BEGIN(tag, chars)						\
+  static struct opt_ ## tag ## _handler : public option_handler {	\
+    opt_ ## tag ## _handler() : option_handler(#tag, chars) {}		\
     virtual void handle_option(const char * optarg)
 
-#define OPT_END(tag) } tag ## _handler_obj
+#define OPT_END(tag) } opt_ ## tag ## _handler_obj
 
 #endif // _OPTION_H

textual.cc

@@ -71,14 +71,19 @@ transaction_t * parse_transaction_text(char * line, account_t * account,
     }
 
     char * price_str = std::strchr(cost_str, '@');
+    bool   per_unit  = true;
     if (price_str) {
       *price_str++ = '\0';
+      if (*price_str == '@') {
+	per_unit = false;
+	price_str++;
+      }
       xact->cost = new amount_t;
       xact->cost->parse(price_str);
     }
 
     xact->amount.parse(cost_str);
-    if (price_str)
+    if (price_str && per_unit)
       *xact->cost *= xact->amount;
   }