diff options
Diffstat (limited to 'amount.cc')
| -rw-r--r-- | amount.cc | 168 |
1 files changed, 96 insertions, 72 deletions
@@ -1,33 +1,44 @@ -// amount.cc - -// Copyright (c) 2003-2007, 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. +/** + * @file amount.cc + * @author John Wiegley + * @date Thu Apr 26 15:19:46 2007 + * + * @brief Types for handling commoditized math. + * + * This file defines member functions for amount_t and the various + * flavors of commodity_t. + */ + +/* + * Copyright (c) 2003-2007, 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 "amount.h" #include "binary.h" @@ -325,7 +336,7 @@ amount_t::amount_t(const double val) void amount_t::_release() { - DEBUG_PRINT("amounts.refs", + DEBUG_("amounts.refs", quantity << " ref--, now " << (quantity->ref - 1)); if (--quantity->ref == 0) { if (! (quantity->flags & BIGINT_BULK_ALLOC)) @@ -367,7 +378,7 @@ void amount_t::_copy(const amount_t& amt) quantity = new bigint_t(*amt.quantity); } else { quantity = amt.quantity; - DEBUG_PRINT("amounts.refs", + DEBUG_("amounts.refs", quantity << " ref++, now " << (quantity->ref + 1)); quantity->ref++; } @@ -473,10 +484,11 @@ void amount_t::_clear() amount_t& amount_t::operator+=(const amount_t& amt) { if (commodity() != amt.commodity()) { - throw new amount_error + throw amount_exception (string("Adding amounts with different commodities: ") + (has_commodity() ? commodity_->qualified_symbol : "NONE") + " != " + - (amt.has_commodity() ? amt.commodity_->qualified_symbol : "NONE")); + (amt.has_commodity() ? amt.commodity_->qualified_symbol : "NONE"), + context()); } if (! amt.quantity) @@ -508,10 +520,11 @@ amount_t& amount_t::operator+=(const amount_t& amt) amount_t& amount_t::operator-=(const amount_t& amt) { if (commodity() != amt.commodity()) - throw new amount_error + throw amount_exception (string("Subtracting amounts with different commodities: ") + (has_commodity() ? commodity_->qualified_symbol : "NONE") + " != " + - (amt.has_commodity() ? amt.commodity_->qualified_symbol : "NONE")); + (amt.has_commodity() ? amt.commodity_->qualified_symbol : "NONE"), + context()); if (! amt.quantity) return *this; @@ -545,10 +558,11 @@ amount_t& amount_t::operator*=(const amount_t& amt) { if (has_commodity() && amt.has_commodity() && commodity() != amt.commodity()) { - throw new amount_error + throw amount_exception (string("Multiplying amounts with different commodities: ") + (has_commodity() ? commodity_->qualified_symbol : "NONE") + " != " + - (amt.has_commodity() ? amt.commodity_->qualified_symbol : "NONE")); + (amt.has_commodity() ? amt.commodity_->qualified_symbol : "NONE"), + context()); } if (! amt.quantity) { @@ -585,14 +599,15 @@ amount_t& amount_t::operator/=(const amount_t& amt) { if (has_commodity() && amt.has_commodity() && commodity() != amt.commodity()) { - throw new amount_error + throw amount_exception (string("Dividing amounts with different commodities: ") + (has_commodity() ? commodity_->qualified_symbol : "NONE") + " != " + - (amt.has_commodity() ? amt.commodity_->qualified_symbol : "NONE")); + (amt.has_commodity() ? amt.commodity_->qualified_symbol : "NONE"), + context()); } if (! amt.quantity || ! amt) { - throw new amount_error("Divide by zero"); + throw amount_exception("Divide by zero", context()); } else if (! quantity) { *this = amt; @@ -658,9 +673,10 @@ int amount_t::compare(const amount_t& amt) const return sign(); if (has_commodity() && amt.commodity() && commodity() != amt.commodity()) - throw new amount_error + throw amount_exception (string("Cannot compare amounts with different commodities: ") + - commodity().symbol() + " and " + amt.commodity().symbol()); + commodity().symbol() + " and " + amt.commodity().symbol(), + context()); if (quantity->prec == amt.quantity->prec) { return mpz_cmp(MPZ(quantity), MPZ(amt.quantity)); @@ -1119,7 +1135,8 @@ static void parse_commodity(std::istream& in, string& symbol) if (c == '"') in.get(c); else - throw new amount_error("Quoted commodity symbol lacks closing quote"); + throw amount_exception("Quoted commodity symbol lacks closing quote", + context()); } else { READ_INTO(in, buf, 255, c, ! invalid_chars[(unsigned char)c]); } @@ -1136,14 +1153,15 @@ bool parse_annotations(std::istream& in, amount_t& price, char c = peek_next_nonws(in); if (c == '{') { if (price) - throw new amount_error("Commodity specifies more than one price"); + throw amount_exception("Commodity specifies more than one price", + context()); in.get(c); READ_INTO(in, buf, 255, c, c != '}'); if (c == '}') in.get(c); else - throw new amount_error("Commodity price lacks closing brace"); + throw amount_exception("Commodity price lacks closing brace", context()); price.parse(buf, AMOUNT_PARSE_NO_MIGRATE); price.in_place_reduce(); @@ -1158,28 +1176,32 @@ bool parse_annotations(std::istream& in, amount_t& price, } else if (c == '[') { if (is_valid_moment(date)) - throw new amount_error("Commodity specifies more than one date"); + throw amount_exception("Commodity specifies more than one date", + context()); in.get(c); READ_INTO(in, buf, 255, c, c != ']'); if (c == ']') in.get(c); else - throw new amount_error("Commodity date lacks closing bracket"); + throw amount_exception("Commodity date lacks closing bracket", + context()); date = parse_datetime(buf); has_date = true; } else if (c == '(') { if (! tag.empty()) - throw new amount_error("Commodity specifies more than one tag"); + throw amount_exception("Commodity specifies more than one tag", + context()); in.get(c); READ_INTO(in, buf, 255, c, c != ')'); if (c == ')') in.get(c); else - throw new amount_error("Commodity tag lacks closing parenthesis"); + throw amount_exception("Commodity tag lacks closing parenthesis", + context()); tag = buf; } @@ -1188,7 +1210,7 @@ bool parse_annotations(std::istream& in, amount_t& price, } } while (true); - DEBUG_PRINT("amounts.commodities", + DEBUG_("amounts.commodities", "Parsed commodity annotations: " << " price " << price << " " << " date " << date << " " @@ -1251,7 +1273,8 @@ void amount_t::parse(std::istream& in, unsigned char flags) } if (quant.empty()) - throw new amount_error("No quantity specified for amount"); + throw amount_exception("No quantity specified for amount", + context()); _init(); @@ -1446,7 +1469,7 @@ void amount_t::read_quantity(char *& data) data += sizeof(unsigned int); quantity = (bigint_t *) (bigints + (index - 1) * sizeof(bigint_t)); - DEBUG_PRINT("amounts.refs", + DEBUG_("amounts.refs", quantity << " ref++, now " << (quantity->ref + 1)); quantity->ref++; } @@ -1535,12 +1558,12 @@ bool amount_t::valid() const { if (quantity) { if (quantity->ref == 0) { - DEBUG_PRINT("ledger.validate", "amount_t: quantity->ref == 0"); + DEBUG_("ledger.validate", "amount_t: quantity->ref == 0"); return false; } } else if (commodity_) { - DEBUG_PRINT("ledger.validate", "amount_t: commodity_ != NULL"); + DEBUG_("ledger.validate", "amount_t: commodity_ != NULL"); return false; } return true; @@ -1561,7 +1584,7 @@ void amount_t::annotate_commodity(const amount_t& tprice, } assert(this_base); - DEBUG_PRINT("amounts.commodities", "Annotating commodity for amount " + DEBUG_("amounts.commodities", "Annotating commodity for amount " << *this << std::endl << " price " << tprice << " " << " date " << tdate << " " @@ -1575,7 +1598,7 @@ void amount_t::annotate_commodity(const amount_t& tprice, if (ann_comm) set_commodity(*ann_comm); - DEBUG_PRINT("amounts.commodities", " Annotated amount is " << *this); + DEBUG_("amounts.commodities", " Annotated amount is " << *this); } amount_t amount_t::strip_annotations(const bool _keep_price, @@ -1586,7 +1609,7 @@ amount_t amount_t::strip_annotations(const bool _keep_price, (_keep_price && _keep_date && _keep_tag)) return *this; - DEBUG_PRINT("amounts.commodities", "Reducing commodity for amount " + DEBUG_("amounts.commodities", "Reducing commodity for amount " << *this << std::endl << " keep price " << _keep_price << " " << " keep date " << _keep_date << " " @@ -1613,7 +1636,7 @@ amount_t amount_t::strip_annotations(const bool _keep_price, amount_t t(*this); t.set_commodity(*new_comm); - DEBUG_PRINT("amounts.commodities", " Reduced amount is " << t); + DEBUG_("amounts.commodities", " Reduced amount is " << t); return t; } @@ -1623,7 +1646,7 @@ amount_t amount_t::price() const if (commodity_ && commodity_->annotated) { amount_t t(((annotated_commodity_t *)commodity_)->price); t *= number(); - DEBUG_PRINT("amounts.commodities", + DEBUG_("amounts.commodities", "Returning price of " << *this << " = " << t); return t; } @@ -1633,7 +1656,7 @@ amount_t amount_t::price() const moment_t amount_t::date() const { if (commodity_ && commodity_->annotated) { - DEBUG_PRINT("amounts.commodities", + DEBUG_("amounts.commodities", "Returning date of " << *this << " = " << ((annotated_commodity_t *)commodity_)->date); return ((annotated_commodity_t *)commodity_)->date; @@ -1675,7 +1698,7 @@ commodity_base_t * commodity_base_t::create(const string& symbol) { commodity_base_t * commodity = new commodity_base_t(symbol); - DEBUG_PRINT("amounts.commodities", "Creating base commodity " << symbol); + DEBUG_("amounts.commodities", "Creating base commodity " << symbol); std::pair<base_commodities_map::iterator, bool> result = commodities.insert(base_commodities_pair(symbol, commodity)); @@ -1696,18 +1719,18 @@ bool commodity_t::needs_quotes(const string& symbol) bool commodity_t::valid() const { if (symbol().empty() && this != null_commodity) { - DEBUG_PRINT("ledger.validate", + DEBUG_("ledger.validate", "commodity_t: symbol().empty() && this != null_commodity"); return false; } if (annotated && ! base) { - DEBUG_PRINT("ledger.validate", "commodity_t: annotated && ! base"); + DEBUG_("ledger.validate", "commodity_t: annotated && ! base"); return false; } if (precision() > 16) { - DEBUG_PRINT("ledger.validate", "commodity_t: precision() > 16"); + DEBUG_("ledger.validate", "commodity_t: precision() > 16"); return false; } @@ -1728,7 +1751,7 @@ commodity_t * commodity_t::create(const string& symbol) commodity->qualified_symbol = symbol; } - DEBUG_PRINT("amounts.commodities", + DEBUG_("amounts.commodities", "Creating commodity " << commodity->qualified_symbol); std::pair<commodities_map::iterator, bool> result @@ -1750,7 +1773,7 @@ commodity_t * commodity_t::create(const string& symbol) commodity_t * commodity_t::find_or_create(const string& symbol) { - DEBUG_PRINT("amounts.commodities", "Find-or-create commodity " << symbol); + DEBUG_("amounts.commodities", "Find-or-create commodity " << symbol); commodity_t * commodity = find(symbol); if (commodity) @@ -1760,7 +1783,7 @@ commodity_t * commodity_t::find_or_create(const string& symbol) commodity_t * commodity_t::find(const string& symbol) { - DEBUG_PRINT("amounts.commodities", "Find commodity " << symbol); + DEBUG_("amounts.commodities", "Find commodity " << symbol); commodities_map::const_iterator i = commodities.find(symbol); if (i != commodities.end()) @@ -1872,7 +1895,7 @@ annotated_commodity_t::create(const commodity_t& comm, commodity->qualified_symbol = comm.symbol(); - DEBUG_PRINT("amounts.commodities", "Creating annotated commodity " + DEBUG_("amounts.commodities", "Creating annotated commodity " << "symbol " << commodity->symbol() << " key " << mapping_key << std::endl << " price " << price << " " @@ -1899,20 +1922,21 @@ namespace { const string& tag) { if (price < 0) - throw new amount_error("A commodity's price may not be negative"); + throw amount_exception("A commodity's price may not be negative", + context()); std::ostringstream name; comm.write(name); annotated_commodity_t::write_annotations(name, price, date, tag); - DEBUG_PRINT("amounts.commodities", "make_qualified_name for " + DEBUG_("amounts.commodities", "make_qualified_name for " << comm.qualified_symbol << std::endl << " price " << price << " " << " date " << date << " " << " tag " << tag); - DEBUG_PRINT("amounts.commodities", "qualified_name is " << name.str()); + DEBUG_("amounts.commodities", "qualified_name is " << name.str()); return name.str(); } |