Redesigned the draft_t class

1 files changed, 113 insertions, 0 deletions

diff --git a/src/draft.h b/src/draft.h
new file mode 100644
index 00000000..faefa67b
--- /dev/null
+++ b/src/draft.h
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+/*
+ * Copyright (c) 2003-2009, John Wiegley.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ *
+ * - Neither the name of New Artisans LLC nor the names of its
+ *   contributors may be used to endorse or promote products derived from
+ *   this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/**
+ * @addtogroup derive
+ */
+
+/**
+ * @file   derive.h
+ * @author John Wiegley
+ *
+ * @ingroup report
+ */
+#ifndef _DERIVE_H
+#define _DERIVE_H
+
+#include "exprbase.h"
+#include "value.h"
+
+namespace ledger {
+
+class journal_t;
+class xact_t;
+
+class draft_t : public expr_base_t<value_t>
+{
+  typedef expr_base_t<value_t> base_type;
+
+  struct xact_template_t
+  {
+    optional<date_t> date;
+    optional<string> code;
+    optional<string> note;
+    mask_t           payee_mask;
+
+    struct post_template_t {
+      bool               from;
+      optional<mask_t>   account_mask;
+      optional<amount_t> amount;
+      optional<string>   cost_operator;
+      optional<amount_t> cost;
+
+      post_template_t() : from(false) {}
+    };
+
+    std::list<post_template_t> posts;
+
+    xact_template_t() {}
+
+    void dump(std::ostream& out) const;
+  };
+
+  optional<xact_template_t> tmpl;
+
+public:
+  draft_t(const value_t& args) : base_type() {
+    TRACE_CTOR(draft_t, "value_t");
+    if (! args.empty())
+      parse_args(args);
+  }
+  ~draft_t() {
+    TRACE_DTOR(draft_t);
+  }
+
+  void parse_args(const value_t& args);
+
+  virtual result_type real_calc(scope_t&) {
+    assert(0);
+    return true;
+  }
+
+  xact_t * insert(journal_t& journal);
+
+  virtual void dump(std::ostream& out) const {
+    if (tmpl)
+      tmpl->dump(out);
+  }
+};
+
+value_t xact_command(call_scope_t& args);
+value_t template_command(call_scope_t& args);
+
+} // namespace ledger
+
+#endif // _DERIVE_H