From 991e3a3eaf2c31f856faa85cfed514bbb28be526 Mon Sep 17 00:00:00 2001
From: John Wiegley <johnw@newartisans.com>
Date: Wed, 24 Jun 2009 16:43:46 +0100
Subject: Split commodity.h/cc into three files

commodity.h - code for commodity_t
annotate.h  - commodity annotations
pool.h      - commodity pool management
---
 src/pool.h | 141 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 141 insertions(+)
 create mode 100644 src/pool.h

(limited to 'src/pool.h')

diff --git a/src/pool.h b/src/pool.h
new file mode 100644
index 00000000..17781bf1
--- /dev/null
+++ b/src/pool.h
@@ -0,0 +1,141 @@
+/*
+ * 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 math
+ */
+
+/**
+ * @file   pool.h
+ * @author John Wiegley
+ *
+ * @ingroup math
+ *
+ * @brief  Types for managing commodity pools
+ *
+ * Long.
+ */
+#ifndef _POOL_H
+#define _POOL_H
+
+namespace ledger {
+
+/**
+ * @brief Brief
+ *
+ * Long.
+ */
+struct cost_breakdown_t
+{
+  amount_t amount;
+  amount_t final_cost;
+  amount_t basis_cost;
+};
+
+/**
+ * @brief Brief
+ *
+ * Long.
+ */
+class commodity_pool_t : public noncopyable
+{
+  /**
+   * The commodities collection in commodity_pool_t maintains pointers to all
+   * the commodities which have ever been created by the user, whether
+   * explicitly by calling the create methods of commodity_pool_t, or
+   * implicitly by parsing a commoditized amount.
+   */
+  typedef std::map<string, commodity_t *> commodities_map;
+
+public:
+  commodities_map commodities;
+  commodity_t *	  null_commodity;
+  commodity_t *	  default_commodity;
+
+  bool		  keep_base;	    // --base
+
+  optional<path>  price_db;         // --price-db=
+  long		  download_leeway;  // --leeway=
+  bool		  download_quotes;  // --download
+
+public:
+  function<optional<price_point_t>
+	   (const optional<commodity_t&>& commodity)> get_commodity_quote;
+
+  explicit commodity_pool_t();
+
+  ~commodity_pool_t() {
+    TRACE_DTOR(commodity_pool_t);
+    foreach (commodities_map::value_type pair, commodities)
+      checked_delete(pair.second);
+  }
+
+  commodity_t * create(const string& symbol);
+  commodity_t * find(const string& name);
+  commodity_t * find_or_create(const string& symbol);
+
+  commodity_t * create(const string& symbol, const annotation_t& details);
+  commodity_t * find(const string& symbol, const annotation_t& details);
+  commodity_t * find_or_create(const string& symbol,
+			       const annotation_t& details);
+
+  commodity_t * create(commodity_t&	   comm,
+		       const annotation_t& details,
+		       const string&	   mapping_key);
+
+  commodity_t * find_or_create(commodity_t&	   comm,
+			       const annotation_t& details);
+
+  // Exchange one commodity for another, while recording the factored price.
+
+  void exchange(commodity_t&	  commodity,
+		const amount_t&   per_unit_cost,
+		const datetime_t& moment);
+
+  cost_breakdown_t exchange(const amount_t&	        amount,
+			    const amount_t&	        cost,
+			    const bool		        is_per_unit = false,
+			    const optional<datetime_t>& moment	   = none,
+			    const optional<string>&     tag	   = none);
+
+  // Parse commodity prices from a textual representation
+
+  optional<price_point_t> parse_price_directive(char * line);
+
+  commodity_t *
+  parse_price_expression(const std::string&          str,
+			 const bool                  add_prices = true,
+			 const optional<datetime_t>& moment     = none);
+};
+
+} // namespace ledger
+
+#endif // _POOL_H
-- 
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