1 files changed, 141 insertions, 0 deletions
diff --git a/src/item.cc b/src/item.cc
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index 00000000..c6f77987
--- /dev/null
+++ b/src/item.cc
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+/*
+ * Copyright (c) 2003-2008, 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.
+ */
+
+#include "item.h"
+#include "session.h"
+#include "report.h"
+
+namespace ledger {
+
+bool item_t::use_effective_date = false;
+
+namespace {
+  value_t get_status(item_t& item) {
+    return long(item.state());
+  }
+  value_t get_cleared(item_t& item) {
+    return item.state() == item_t::CLEARED;
+  }
+  value_t get_pending(item_t& item) {
+    return item.state() == item_t::PENDING;
+  }
+
+  value_t get_date(item_t& item) {
+    if (optional<date_t> date = item.date())
+      return *date;
+    else
+      return 0L;
+  }
+
+  value_t get_note(item_t& item) {
+    return string_value(item.note ? *item.note : empty_string);
+  }
+
+  value_t get_beg_pos(item_t& item) {
+    return long(item.beg_pos);
+  }
+
+  value_t get_beg_line(item_t& item) {
+    return long(item.beg_line);
+  }
+
+  value_t get_end_pos(item_t& item) {
+    return long(item.end_pos);
+  }
+
+  value_t get_end_line(item_t& item) {
+    return long(item.end_line);
+  }
+
+  template <value_t (*Func)(item_t&)>
+  value_t get_wrapper(call_scope_t& scope) {
+    return (*Func)(find_scope<item_t>(scope));
+  }
+}
+
+expr_t::ptr_op_t item_t::lookup(const string& name)
+{
+  switch (name[0]) {
+  case 'c':
+    if (name == "cleared")
+      return WRAP_FUNCTOR(get_wrapper<&get_cleared>);
+    break;
+
+  case 'd':
+    if (name[1] == '\0' || name == "date")
+      return WRAP_FUNCTOR(get_wrapper<&get_date>);
+    break;
+
+  case 'n':
+    if (name == "note")
+      return WRAP_FUNCTOR(get_wrapper<&get_note>);
+    break;
+
+  case 'p':
+    if (name == "pending")
+      return WRAP_FUNCTOR(get_wrapper<&get_pending>);
+    break;
+
+  case 's':
+    if (name == "status")
+      return WRAP_FUNCTOR(get_wrapper<&get_status>);
+    break;
+
+  case 'u':
+    if (name == "uncleared")
+      return expr_t::op_t::wrap_value(1L);
+    break;
+
+  case 'X':
+    if (name[1] == '\0')
+      return WRAP_FUNCTOR(get_wrapper<&get_cleared>);
+    break;
+
+  case 'Y':
+    if (name[1] == '\0')
+      return WRAP_FUNCTOR(get_wrapper<&get_pending>);
+    break;
+  }
+
+  return session_t::current->current_report->lookup(name);
+}
+
+bool item_t::valid() const
+{
+  if (_state != UNCLEARED && _state != CLEARED && _state != PENDING) {
+    DEBUG("ledger.validate", "item_t: state is bad");
+    return false;
+  }
+
+  return true;
+}
+
+} // namespace ledger