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gnucash/libgnucash/engine/gnc-commodity.cpp
Christopher Lam f67233b662 Bug 799305 - Crash when there is more than one unknown quote source for commodities 
instead of vector which requires reallocation, use a c++ linked list.
2024-05-10 07:42:50 +08:00

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/********************************************************************
* gnc-commodity.c -- api for tradable commodities (incl. currency) *
* Copyright (C) 2000 Bill Gribble *
* Copyright (C) 2001,2003 Linas Vepstas <linas@linas.org> *
* Copyright (c) 2006 David Hampton <hampton@employees.org> *
* *
* This program is free software; you can redistribute it and/or *
* modify it under the terms of the GNU General Public License as *
* published by the Free Software Foundation; either version 2 of *
* the License, or (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License*
* along with this program; if not, contact: *
* *
* Free Software Foundation Voice: +1-617-542-5942 *
* 51 Franklin Street, Fifth Floor Fax: +1-617-542-2652 *
* Boston, MA 02110-1301, USA gnu@gnu.org *
* *
*******************************************************************/
#include <config.h>
#include <glib.h>
#include <glib/gi18n.h>
#include <ctype.h>
#include <limits.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <regex.h>
#include <qofinstance-p.h>
#include "gnc-commodity.hpp"
#include "gnc-commodity.h"
#include "gnc-locale-utils.h"
#include "gnc-prefs.h"
#include "guid.h"
#include "qofinstance.h"
#include <list>
#include <unordered_map>
static QofLogModule log_module = GNC_MOD_COMMODITY;
/* Parts per unit is nominal, i.e. number of 'partname' units in
* a 'unitname' unit. fraction is transactional, i.e. how many
* of the smallest-transactional-units of the currency are there
* in a 'unitname' unit. */
enum
{
PROP_0,
PROP_NAMESPACE, /* Table */
PROP_FULL_NAME, /* Table */
PROP_MNEMONIC, /* Table */
PROP_PRINTNAME, /* Constructed */
PROP_CUSIP, /* Table */
PROP_FRACTION, /* Table */
PROP_UNIQUE_NAME, /* Constructed */
PROP_QUOTE_FLAG, /* Table */
PROP_QUOTE_SOURCE, /* Table */
PROP_QUOTE_TZ, /* Table */
};
struct gnc_commodity_s
{
QofInstance inst;
};
typedef struct gnc_commodityPrivate
{
gnc_commodity_namespace *name_space;
const char *fullname;
const char *mnemonic;
char *printname;
const char *cusip; /* CUSIP or other identifying code */
int fraction;
char *unique_name;
char *user_symbol;
gboolean quote_flag; /* user wants price quotes */
gnc_quote_source *quote_source; /* current/old source of quotes */
const char *quote_tz;
/* the number of accounts using this commodity - this field is not
* persisted */
int usage_count;
/* the default display_symbol, set in iso-4217-currencies at start-up */
const char *default_symbol;
} gnc_commodityPrivate;
#define GET_PRIVATE(o) \
((gnc_commodityPrivate*)gnc_commodity_get_instance_private((gnc_commodity*)o))
struct _GncCommodityClass
{
QofInstanceClass parent_class;
};
static void commodity_free(gnc_commodity * cm);
static void gnc_commodity_set_default_symbol(gnc_commodity *, const char *);
struct gnc_commodity_namespace_s
{
QofInstance inst;
const gchar *name;
gboolean iso4217;
GHashTable * cm_table;
GList * cm_list;
};
struct _GncCommodityNamespaceClass
{
QofInstanceClass parent_class;
};
struct gnc_commodity_table_s
{
GHashTable * ns_table;
GList * ns_list;
};
static const std::unordered_map<std::string,std::string> gnc_new_iso_codes =
{
{"RUR", "RUB"}, /* Russian Ruble: RUR through 1997-12, RUB from 1998-01 onwards; see bug #393185 */
{"PLZ", "PLN"}, /* Polish Zloty */
{"UAG", "UAH"}, /* Ukraine Hryvnia */
{"NIS", "ILS"}, /* New Israeli Shekel: The informal abbreviation may be "NIS", but
its iso-4217 is clearly ILS and only this! Incorrectly changed
due to bug#152755 (Nov 2004) and changed back again by bug#492417
(Oct 2008). */
{"MXP", "MXN"}, /* Mexican (Nuevo) Peso */
{"TRL", "TRY"}, /* New Turkish Lira: changed 2005 */
/* Only add currencies to this table when the old currency no longer
* exists in the file iso-4217-currencies.xml */
};
static std::string fq_version;
struct gnc_quote_source_s
{
private:
gboolean m_supported;
QuoteSourceType m_type;
std::string m_user_name; /* User friendly name incl. region code*/
std::string m_internal_name; /* Name used internally and by finance::quote. */
public:
bool get_supported () const { return m_supported; }
void set_supported (bool supported) { m_supported = supported; }
QuoteSourceType get_type () const { return m_type; }
const char* get_user_name () const { return m_user_name.c_str(); }
const char* get_internal_name () const { return m_internal_name.c_str(); }
gnc_quote_source_s (gboolean supported, QuoteSourceType type,
const char* username, const char* int_name)
: m_supported{supported}
, m_type{type}
, m_user_name{username ? username : ""}
, m_internal_name{int_name ? int_name: ""} { };
};
using QuoteSourceList = std::list<gnc_quote_source>;
/* To update the following lists scan
* from github.com/finance-quote/finance-quote
* in lib/Finance/Quote/ all *.pm for "methods"
* because many of them have more than one -
* ideally after each release of them.
*
* Apply changes here also to the FQ appendix of help.
*/
static QuoteSourceList currency_quote_sources =
{
{ true, SOURCE_CURRENCY, "Currency", "currency" }
};
/* The single quote method is usually the module name, but
* sometimes it gets the suffix "_direct"
* and the failover method is without suffix.
*/
static QuoteSourceList single_quote_sources =
{
{ false, SOURCE_SINGLE, "Alphavantage, US", "alphavantage" },
{ false, SOURCE_SINGLE, "Amsterdam Euronext eXchange, NL", "aex" },
{ false, SOURCE_SINGLE, "Association of Mutual Funds in India", "amfiindia" },
{ false, SOURCE_SINGLE, "Australian Stock Exchange, AU", "asx" },
{ false, SOURCE_SINGLE, "Canada Mutual", "canadamutual" },
{ false, SOURCE_SINGLE, "Deka Investments, DE", "deka" },
{ false, SOURCE_SINGLE, "Dutch", "dutch" },
{ false, SOURCE_SINGLE, "DWS, DE", "dwsfunds" },
{ false, SOURCE_SINGLE, "Financial Times Funds service, GB", "ftfunds" },
{ false, SOURCE_SINGLE, "Finanzpartner, DE", "finanzpartner" },
{ false, SOURCE_SINGLE, "GoldMoney spot rates, JE", "goldmoney" },
{ false, SOURCE_SINGLE, "Google Web, US Stocks", "googleweb" },
{ false, SOURCE_SINGLE, "India Mutual", "indiamutual" },
{ false, SOURCE_SINGLE, "Morningstar, GB", "morningstaruk" },
{ false, SOURCE_SINGLE, "Morningstar, JP", "morningstarjp" },
{ false, SOURCE_SINGLE, "New Zealand stock eXchange, NZ", "nzx" },
{ false, SOURCE_SINGLE, "Paris Stock Exchange/Boursorama, FR", "bourso" },
{ false, SOURCE_SINGLE, "Romania", "romania" },
{ false, SOURCE_SINGLE, "SIX Swiss Exchange shares, CH", "six" },
{ false, SOURCE_SINGLE, "Skandinaviska Enskilda Banken, SE", "seb_funds" },
{ false, SOURCE_SINGLE, "Sharenet, ZA", "za" },
{ false, SOURCE_SINGLE, "TIAA-CREF, US", "tiaacref" },
{ false, SOURCE_SINGLE, "Toronto Stock eXchange, CA", "tsx" },
{ false, SOURCE_SINGLE, "T. Rowe Price", "troweprice" },
{ false, SOURCE_SINGLE, "T. Rowe Price, US", "troweprice_direct" },
{ false, SOURCE_SINGLE, "Union Investment, DE", "unionfunds" },
{ false, SOURCE_SINGLE, "US Govt. Thrift Savings Plan", "tsp" },
{ false, SOURCE_SINGLE, "Yahoo as JSON", "yahoo_json" },
{ false, SOURCE_SINGLE, "Yahoo Web", "yahooweb" },
};
static QuoteSourceList multiple_quote_sources =
{
{ false, SOURCE_MULTI, "Australia (ASX, ...)", "australia" },
{ false, SOURCE_MULTI, "Canada (Alphavantage, TSX, ...)", "canada" },
{ false, SOURCE_MULTI, "Canada Mutual (Fund Library, StockHouse, ...)", "canadamutual" },
{ false, SOURCE_MULTI, "Dutch (AEX, ...)", "dutch" },
{ false, SOURCE_MULTI, "Europe (asegr,.bsero, hex ...)", "europe" },
{ false, SOURCE_MULTI, "India Mutual (AMFI, ...)", "indiamutual" },
{ false, SOURCE_MULTI, "France (bourso, ĺerevenu, ...)", "france" },
{ false, SOURCE_MULTI, "Nasdaq (alphavantage, yahoo_json, ...)", "nasdaq" },
{ false, SOURCE_MULTI, "NYSE (alphavantage, yahoo_json, ...)", "nyse" },
{ false, SOURCE_MULTI, "South Africa (Sharenet, ...)", "za" },
{ false, SOURCE_MULTI, "Romania (BSE-RO, ...)", "romania" },
{ false, SOURCE_MULTI, "T. Rowe Price", "troweprice" },
{ false, SOURCE_MULTI, "U.K. Funds (citywire, FTfunds, MStar, tnetuk, ...)", "ukfunds" },
{ false, SOURCE_MULTI, "USA (alphavantage, yahoo_json, ...)", "usa" },
};
static QuoteSourceList new_quote_sources;
// cannot use map or unordered_map because order must be preserved
static const std::vector<std::pair<QuoteSourceType,QuoteSourceList&>> quote_sources_map =
{
{ SOURCE_CURRENCY, currency_quote_sources },
{ SOURCE_SINGLE, single_quote_sources },
{ SOURCE_MULTI, multiple_quote_sources },
{ SOURCE_UNKNOWN, new_quote_sources }
};
/********************************************************************
* gnc_quote_source_fq_installed
*
* This function indicates whether or not the Finance::Quote module
* is installed on a users computer.
********************************************************************/
gboolean
gnc_quote_source_fq_installed (void)
{
return (!fq_version.empty());
}
/********************************************************************
* gnc_quote_source_fq_version
*
* This function the version of the Finance::Quote module installed
* on a user's computer or nullptr if no installation is found.
********************************************************************/
const char*
gnc_quote_source_fq_version (void)
{
return fq_version.c_str();
}
static QuoteSourceList&
get_quote_source_from_type (QuoteSourceType type)
{
auto quote_sources_it = std::find_if (quote_sources_map.begin(), quote_sources_map.end(),
[type] (const auto& qs) { return type == qs.first; });
if (quote_sources_it != quote_sources_map.end())
return quote_sources_it->second;
PWARN ("Invalid Quote Source %d, returning new_quote_sources", type);
return new_quote_sources;
}
/********************************************************************
* gnc_quote_source_num_entries
*
* Return the number of entries for a given type of price source.
********************************************************************/
gint gnc_quote_source_num_entries(QuoteSourceType type)
{
auto source{get_quote_source_from_type(type)};
return std::distance(source.begin(), source.end());
}
/********************************************************************
* gnc_quote_source_add_new
*
* Add a new price source. Called when unknown source names are found
* either in the F::Q installation (a newly available source) or in
* the user's data file (a source that has vanished but needs to be
* tracked.)
********************************************************************/
gnc_quote_source *
gnc_quote_source_add_new (const char *source_name, gboolean supported)
{
DEBUG("Creating new source %s", (!source_name ? "(null)" : source_name));
/* This name can be changed if/when support for this price source is
* integrated into gnucash. */
/* This name is permanent and must be kept the same if/when support
* for this price source is integrated into gnucash (i.e. for a
* nice user name). */
return &new_quote_sources.emplace_back (supported, SOURCE_UNKNOWN, source_name, source_name);
}
/********************************************************************
* gnc_quote_source_lookup_by_xxx
*
* Lookup a price source data structure based upon various criteria.
********************************************************************/
gnc_quote_source *
gnc_quote_source_lookup_by_ti (QuoteSourceType type, gint index)
{
ENTER("type/index is %d/%d", type, index);
auto& sources = get_quote_source_from_type (type);
if ((size_t) index < sources.size())
{
auto it = std::next(sources.begin(), index);
LEAVE("found %s", it->get_user_name());
return &*it;
}
LEAVE("not found");
return nullptr;
}
gnc_quote_source *
gnc_quote_source_lookup_by_internal(const char * name)
{
if (!name || !*name)
return nullptr;
for (const auto& [_, sources] : quote_sources_map)
{
auto source_it = std::find_if (sources.begin(), sources.end(),
[name] (const auto& qs)
{ return (g_strcmp0(name, qs.get_internal_name()) == 0); });
if (source_it != sources.end())
return &(*source_it);
}
DEBUG("gnc_quote_source_lookup_by_internal: Unknown source %s", name);
return nullptr;
}
/********************************************************************
* gnc_quote_source_get_xxx
*
* Accessor functions - get functions only. There are no set functions.
********************************************************************/
QuoteSourceType
gnc_quote_source_get_type (const gnc_quote_source *source)
{
ENTER("%p", source);
if (!source)
{
LEAVE("bad source");
return SOURCE_SINGLE;
}
LEAVE("type is %d", source->get_type());
return source->get_type();
}
gint
gnc_quote_source_get_index (const gnc_quote_source *source)
{
if (!source)
{
PWARN ("bad source");
return 0;
}
auto& sources = get_quote_source_from_type (source->get_type());
auto is_source = [&source](const auto& findif_source)
{ return &findif_source == source; };
auto iter = std::find_if (sources.begin(), sources.end(), is_source);
if (iter != sources.end())
return std::distance (sources.begin(), iter);
PWARN ("couldn't locate source");
return 0;
}
gboolean
gnc_quote_source_get_supported (const gnc_quote_source *source)
{
ENTER("%p", source);
if (!source)
{
LEAVE("bad source");
return FALSE;
}
LEAVE("%s supported", source && source->get_supported() ? "" : "not ");
return source->get_supported();
}
const char *
gnc_quote_source_get_user_name (const gnc_quote_source *source)
{
ENTER("%p", source);
if (!source)
{
LEAVE("bad source");
return nullptr;
}
LEAVE("user name %s", source->get_user_name());
return source->get_user_name();
}
const char *
gnc_quote_source_get_internal_name (const gnc_quote_source *source)
{
ENTER("%p", source);
if (!source)
{
LEAVE("bad source");
return nullptr;
}
LEAVE("internal name %s", source->get_internal_name());
return source->get_internal_name();
}
/********************************************************************
* gnc_quote_source_set_fq_installed
*
* Update gnucash internal tables on what Finance::Quote sources are
* installed.
********************************************************************/
void
gnc_quote_source_set_fq_installed (const char* version_string,
const std::vector<std::string>& sources_list)
{
ENTER(" ");
if (sources_list.empty())
return;
if (version_string)
fq_version = version_string;
else
fq_version.clear();
for (const auto& source_name_str : sources_list)
{
auto source_name = source_name_str.c_str();
auto source = gnc_quote_source_lookup_by_internal(source_name);
if (source)
{
DEBUG("Found source %s: %s", source_name, source->get_user_name());
source->set_supported (true);
continue;
}
gnc_quote_source_add_new(source_name, TRUE);
}
LEAVE(" ");
}
/********************************************************************
* QoF Helpers
********************************************************************/
void
gnc_commodity_begin_edit (gnc_commodity *cm)
{
qof_begin_edit(&cm->inst);
}
static void commit_err (QofInstance *inst, QofBackendError errcode)
{
PERR ("Failed to commit: %d", errcode);
gnc_engine_signal_commit_error( errcode );
}
static void noop (QofInstance *inst) {}
static void
comm_free(QofInstance* inst)
{
commodity_free( GNC_COMMODITY(inst) );
}
void
gnc_commodity_commit_edit (gnc_commodity *cm)
{
if (!qof_commit_edit (QOF_INSTANCE(cm))) return;
qof_commit_edit_part2 (&cm->inst, commit_err, noop, comm_free);
}
/********************************************************************
* gnc_commodity_new
********************************************************************/
static void
mark_commodity_dirty (gnc_commodity *cm)
{
qof_instance_set_dirty(&cm->inst);
qof_event_gen (&cm->inst, QOF_EVENT_MODIFY, nullptr);
}
static void
reset_printname(gnc_commodityPrivate *priv)
{
g_free(priv->printname);
priv->printname = g_strdup_printf("%s (%s)",
priv->mnemonic ? priv->mnemonic : "",
priv->fullname ? priv->fullname : "");
}
static void
reset_unique_name(gnc_commodityPrivate *priv)
{
gnc_commodity_namespace *ns;
g_free(priv->unique_name);
ns = priv->name_space;
priv->unique_name = g_strdup_printf("%s::%s",
ns ? ns->name : "",
priv->mnemonic ? priv->mnemonic : "");
}
/* GObject Initialization */
G_DEFINE_TYPE_WITH_PRIVATE(gnc_commodity, gnc_commodity, QOF_TYPE_INSTANCE)
static void
gnc_commodity_init(gnc_commodity* com)
{
gnc_commodityPrivate* priv;
priv = GET_PRIVATE(com);
priv->name_space = nullptr;
priv->fullname = CACHE_INSERT("");
priv->mnemonic = CACHE_INSERT("");
priv->cusip = CACHE_INSERT("");
priv->fraction = 10000;
priv->quote_flag = 0;
priv->quote_source = nullptr;
priv->quote_tz = CACHE_INSERT("");
reset_printname(priv);
reset_unique_name(priv);
}
static void
gnc_commodity_dispose(GObject *comp)
{
G_OBJECT_CLASS(gnc_commodity_parent_class)->dispose(comp);
}
static void
gnc_commodity_finalize(GObject* comp)
{
G_OBJECT_CLASS(gnc_commodity_parent_class)->finalize(comp);
}
/* Note that g_value_set_object() refs the object, as does
* g_object_get(). But g_object_get() only unrefs once when it disgorges
* the object, leaving an unbalanced ref, which leaks. So instead of
* using g_value_set_object(), use g_value_take_object() which doesn't
* ref the object when used in get_property().
*/
static void
gnc_commodity_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
gnc_commodity *commodity;
gnc_commodityPrivate* priv;
g_return_if_fail(GNC_IS_COMMODITY(object));
commodity = GNC_COMMODITY(object);
priv = GET_PRIVATE(commodity);
switch (prop_id)
{
case PROP_NAMESPACE:
g_value_take_object(value, priv->name_space);
break;
case PROP_FULL_NAME:
g_value_set_string(value, priv->fullname);
break;
case PROP_MNEMONIC:
g_value_set_string(value, priv->mnemonic);
break;
case PROP_PRINTNAME:
g_value_set_string(value, priv->printname);
break;
case PROP_CUSIP:
g_value_set_string(value, priv->cusip);
break;
case PROP_FRACTION:
g_value_set_int(value, priv->fraction);
break;
case PROP_UNIQUE_NAME:
g_value_set_string(value, priv->unique_name);
break;
case PROP_QUOTE_FLAG:
g_value_set_boolean(value, priv->quote_flag);
break;
case PROP_QUOTE_SOURCE:
g_value_set_pointer(value, priv->quote_source);
break;
case PROP_QUOTE_TZ:
g_value_set_string(value, priv->quote_tz);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
break;
}
}
static void
gnc_commodity_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
gnc_commodity *commodity;
g_return_if_fail(GNC_IS_COMMODITY(object));
commodity = GNC_COMMODITY(object);
g_assert (qof_instance_get_editlevel(commodity));
switch (prop_id)
{
case PROP_NAMESPACE:
gnc_commodity_set_namespace(commodity, static_cast<const char*>(g_value_get_object(value)));
break;
case PROP_FULL_NAME:
gnc_commodity_set_fullname(commodity, g_value_get_string(value));
break;
case PROP_MNEMONIC:
gnc_commodity_set_mnemonic(commodity, g_value_get_string(value));
break;
case PROP_CUSIP:
gnc_commodity_set_cusip(commodity, g_value_get_string(value));
break;
case PROP_FRACTION:
gnc_commodity_set_fraction(commodity, g_value_get_int(value));
break;
case PROP_QUOTE_FLAG:
gnc_commodity_set_quote_flag(commodity, g_value_get_boolean(value));
break;
case PROP_QUOTE_SOURCE:
gnc_commodity_set_quote_source(commodity, static_cast<gnc_quote_source*>(g_value_get_pointer(value)));
break;
case PROP_QUOTE_TZ:
gnc_commodity_set_quote_tz(commodity, g_value_get_string(value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
break;
}
}
static void
gnc_commodity_class_init(struct _GncCommodityClass* klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS(klass);
gobject_class->dispose = gnc_commodity_dispose;
gobject_class->finalize = gnc_commodity_finalize;
gobject_class->set_property = gnc_commodity_set_property;
gobject_class->get_property = gnc_commodity_get_property;
g_object_class_install_property(gobject_class,
PROP_NAMESPACE,
g_param_spec_object ("namespace",
"Namespace",
"The namespace field denotes the "
"namespace for this commodity, either "
"a currency or symbol from a quote source.",
GNC_TYPE_COMMODITY_NAMESPACE,
G_PARAM_READWRITE));
g_object_class_install_property(gobject_class,
PROP_FULL_NAME,
g_param_spec_string ("fullname",
"Full Commodity Name",
"The fullname is the official full name of"
"the currency.",
nullptr,
G_PARAM_READWRITE));
g_object_class_install_property(gobject_class,
PROP_MNEMONIC,
g_param_spec_string ("mnemonic",
"Commodity Mnemonic",
"The mnemonic is the official abbreviated"
"designation for the currency.",
nullptr,
G_PARAM_READWRITE));
g_object_class_install_property(gobject_class,
PROP_PRINTNAME,
g_param_spec_string ("printname",
"Commodity Print Name",
"Printable form of the commodity name.",
nullptr,
G_PARAM_READABLE));
g_object_class_install_property(gobject_class,
PROP_CUSIP,
g_param_spec_string ("cusip",
"Commodity CUSIP Code",
"?????",
nullptr,
G_PARAM_READWRITE));
g_object_class_install_property(gobject_class,
PROP_FRACTION,
g_param_spec_int ("fraction",
"Fraction",
"The fraction is the number of sub-units that "
"the basic commodity can be divided into.",
1,
GNC_COMMODITY_MAX_FRACTION,
1,
G_PARAM_READWRITE));
g_object_class_install_property(gobject_class,
PROP_UNIQUE_NAME,
g_param_spec_string ("unique-name",
"Commodity Unique Name",
"Unique form of the commodity name which combines "
"the namespace name and the commodity name.",
nullptr,
G_PARAM_READABLE));
g_object_class_install_property(gobject_class,
PROP_QUOTE_FLAG,
g_param_spec_boolean ("quote_flag",
"Quote Flag",
"TRUE if prices are to be downloaded for this "
"commodity from a quote source.",
FALSE,
G_PARAM_READWRITE));
g_object_class_install_property(gobject_class,
PROP_QUOTE_SOURCE,
g_param_spec_pointer("quote-source",
"Quote Source",
"The quote source from which prices are downloaded.",
G_PARAM_READWRITE));
g_object_class_install_property(gobject_class,
PROP_QUOTE_TZ,
g_param_spec_string ("quote-tz",
"Commodity Quote Timezone",
"?????",
nullptr,
G_PARAM_READWRITE));
}
gnc_commodity *
gnc_commodity_new(QofBook *book, const char * fullname,
const char * name_space, const char * mnemonic,
const char * cusip, int fraction)
{
auto retval = GNC_COMMODITY(g_object_new(GNC_TYPE_COMMODITY, nullptr));
qof_instance_init_data (&retval->inst, GNC_ID_COMMODITY, book);
gnc_commodity_begin_edit(retval);
if ( name_space != nullptr )
{
/* Prevent setting anything except template in namespace template. */
if (g_strcmp0 (name_space, GNC_COMMODITY_NS_TEMPLATE) == 0 &&
g_strcmp0 (mnemonic, "template") != 0)
{
PWARN("Converting commodity %s from namespace template to "
"namespace User", mnemonic);
name_space = "User";
}
gnc_commodity_set_namespace(retval, name_space);
if (gnc_commodity_namespace_is_iso(name_space))
{
gnc_commodity_set_quote_source(retval,
gnc_quote_source_lookup_by_internal("currency") );
}
}
gnc_commodity_set_fullname(retval, fullname);
gnc_commodity_set_mnemonic(retval, mnemonic);
gnc_commodity_set_cusip(retval, cusip);
gnc_commodity_set_fraction(retval, fraction);
mark_commodity_dirty (retval);
gnc_commodity_commit_edit(retval);
qof_event_gen (&retval->inst, QOF_EVENT_CREATE, nullptr);
return retval;
}
/********************************************************************
* gnc_commodity_destroy
********************************************************************/
static void
commodity_free(gnc_commodity * cm)
{
QofBook *book;
gnc_commodity_table *table;
gnc_commodityPrivate* priv;
if (!cm) return;
book = qof_instance_get_book(&cm->inst);
table = gnc_commodity_table_get_table(book);
gnc_commodity_table_remove(table, cm);
priv = GET_PRIVATE(cm);
qof_event_gen (&cm->inst, QOF_EVENT_DESTROY, nullptr);
/* Set at creation */
CACHE_REMOVE (priv->fullname);
CACHE_REMOVE (priv->cusip);
CACHE_REMOVE (priv->mnemonic);
CACHE_REMOVE (priv->quote_tz);
priv->name_space = nullptr;
/* Set through accessor functions */
priv->quote_source = nullptr;
/* Automatically generated */
g_free(priv->printname);
priv->printname = nullptr;
g_free(priv->unique_name);
priv->unique_name = nullptr;
#ifdef ACCOUNTS_CLEANED_UP
/* Account objects are not actually cleaned up when a book is closed (in fact
* a memory leak), but commodities are, so in currently this warning gets hit
* quite frequently. Disable the check until cleaning up of accounts objects
* on close is implemented. */
if (priv->usage_count != 0)
{
PWARN("Destroying commodity (%p) with non-zero usage_count (%d).", cm,
priv->usage_count);
}
#endif
/* qof_instance_release (&cm->inst); */
g_object_unref(cm);
}
void
gnc_commodity_destroy(gnc_commodity * cm)
{
gnc_commodity_begin_edit(cm);
qof_instance_set_destroying(cm, TRUE);
gnc_commodity_commit_edit(cm);
}
void
gnc_commodity_copy(gnc_commodity * dest, const gnc_commodity *src)
{
gnc_commodityPrivate* src_priv = GET_PRIVATE(src);
gnc_commodityPrivate* dest_priv = GET_PRIVATE(dest);
gnc_commodity_set_fullname (dest, src_priv->fullname);
gnc_commodity_set_mnemonic (dest, src_priv->mnemonic);
dest_priv->name_space = src_priv->name_space;
gnc_commodity_set_fraction (dest, src_priv->fraction);
gnc_commodity_set_cusip (dest, src_priv->cusip);
gnc_commodity_set_quote_flag (dest, src_priv->quote_flag);
gnc_commodity_set_quote_source (dest, gnc_commodity_get_quote_source (src));
gnc_commodity_set_quote_tz (dest, src_priv->quote_tz);
qof_instance_copy_kvp (QOF_INSTANCE (dest), QOF_INSTANCE (src));
}
gnc_commodity *
gnc_commodity_clone(const gnc_commodity *src, QofBook *dest_book)
{
gnc_commodityPrivate* src_priv;
gnc_commodityPrivate* dest_priv;
auto dest = GNC_COMMODITY (g_object_new(GNC_TYPE_COMMODITY, nullptr));
qof_instance_init_data (&dest->inst, GNC_ID_COMMODITY, dest_book);
src_priv = GET_PRIVATE(src);
dest_priv = GET_PRIVATE(dest);
dest_priv->fullname = CACHE_INSERT(src_priv->fullname);
dest_priv->mnemonic = CACHE_INSERT(src_priv->mnemonic);
dest_priv->cusip = CACHE_INSERT(src_priv->cusip);
dest_priv->quote_tz = CACHE_INSERT(src_priv->quote_tz);
dest_priv->name_space = src_priv->name_space;
dest_priv->fraction = src_priv->fraction;
dest_priv->quote_flag = src_priv->quote_flag;
gnc_commodity_set_quote_source (dest, gnc_commodity_get_quote_source (src));
qof_instance_copy_kvp (QOF_INSTANCE (dest), QOF_INSTANCE (src));
reset_printname(dest_priv);
reset_unique_name(dest_priv);
return dest;
}
/********************************************************************
* gnc_commodity_get_mnemonic
********************************************************************/
const char *
gnc_commodity_get_mnemonic(const gnc_commodity * cm)
{
if (!cm) return nullptr;
return GET_PRIVATE(cm)->mnemonic;
}
/********************************************************************
* gnc_commodity_get_printname
********************************************************************/
const char *
gnc_commodity_get_printname(const gnc_commodity * cm)
{
if (!cm) return nullptr;
return GET_PRIVATE(cm)->printname;
}
/********************************************************************
* gnc_commodity_get_namespace
********************************************************************/
const char *
gnc_commodity_get_namespace(const gnc_commodity * cm)
{
if (!cm) return nullptr;
return gnc_commodity_namespace_get_name(GET_PRIVATE(cm)->name_space);
}
gnc_commodity_namespace *
gnc_commodity_get_namespace_ds(const gnc_commodity * cm)
{
if (!cm) return nullptr;
return GET_PRIVATE(cm)->name_space;
}
/********************************************************************
* gnc_commodity_get_fullname
********************************************************************/
const char *
gnc_commodity_get_fullname(const gnc_commodity * cm)
{
if (!cm) return nullptr;
return GET_PRIVATE(cm)->fullname;
}
/********************************************************************
* gnc_commodity_get_unique_name
********************************************************************/
const char *
gnc_commodity_get_unique_name(const gnc_commodity * cm)
{
if (!cm) return nullptr;
return GET_PRIVATE(cm)->unique_name;
}
/********************************************************************
* gnc_commodity_get_cusip
********************************************************************/
const char *
gnc_commodity_get_cusip(const gnc_commodity * cm)
{
if (!cm) return nullptr;
return GET_PRIVATE(cm)->cusip;
}
/********************************************************************
* gnc_commodity_get_fraction
********************************************************************/
int
gnc_commodity_get_fraction(const gnc_commodity * cm)
{
if (!cm) return 0;
return GET_PRIVATE(cm)->fraction;
}
/********************************************************************
* gnc_commodity_get_auto_quote_control_flag
********************************************************************/
static gboolean
gnc_commodity_get_auto_quote_control_flag(const gnc_commodity *cm)
{
GValue v = G_VALUE_INIT;
gboolean retval = TRUE;
if (!cm) return FALSE;
qof_instance_get_kvp (QOF_INSTANCE (cm), &v, 1, "auto_quote_control");
if (G_VALUE_HOLDS_STRING (&v) &&
strcmp(g_value_get_string (&v), "false") == 0)
retval = FALSE;
g_value_unset (&v);
return retval;
}
/********************************************************************
* gnc_commodity_get_quote_flag
********************************************************************/
gboolean
gnc_commodity_get_quote_flag(const gnc_commodity *cm)
{
if (!cm) return FALSE;
return (GET_PRIVATE(cm)->quote_flag);
}
/********************************************************************
* gnc_commodity_get_quote_source
********************************************************************/
gnc_quote_source*
gnc_commodity_get_quote_source(const gnc_commodity *cm)
{
gnc_commodityPrivate* priv;
if (!cm) return nullptr;
priv = GET_PRIVATE(cm);
if (!priv->quote_source && gnc_commodity_is_iso(cm))
return &currency_quote_sources.front();
return priv->quote_source;
}
gnc_quote_source*
gnc_commodity_get_default_quote_source(const gnc_commodity *cm)
{
if (cm && gnc_commodity_is_iso(cm))
return &currency_quote_sources.front();
/* Should make this a user option at some point. */
return gnc_quote_source_lookup_by_internal("alphavantage");
}
/********************************************************************
* gnc_commodity_get_quote_tz
********************************************************************/
const char*
gnc_commodity_get_quote_tz(const gnc_commodity *cm)
{
if (!cm) return nullptr;
return GET_PRIVATE(cm)->quote_tz;
}
/********************************************************************
* gnc_commodity_get_user_symbol
********************************************************************/
const char*
gnc_commodity_get_user_symbol(const gnc_commodity *cm)
{
g_return_val_if_fail (GNC_IS_COMMODITY (cm), nullptr);
GValue v = G_VALUE_INIT;
qof_instance_get_kvp (QOF_INSTANCE(cm), &v, 1, "user_symbol");
const char *rv = G_VALUE_HOLDS_STRING (&v) ? g_value_get_string (&v) : nullptr;
g_value_unset (&v);
return rv;
}
/********************************************************************
* gnc_commodity_get_default_symbol
*******************************************************************/
const char*
gnc_commodity_get_default_symbol(const gnc_commodity *cm)
{
if (!cm) return nullptr;
return GET_PRIVATE(cm)->default_symbol;
}
/********************************************************************
* gnc_commodity_get_nice_symbol
*******************************************************************/
const char*
gnc_commodity_get_nice_symbol (const gnc_commodity *cm)
{
const char *nice_symbol;
struct lconv *lc;
if (!cm) return nullptr;
nice_symbol = gnc_commodity_get_user_symbol(cm);
if (nice_symbol && *nice_symbol)
return nice_symbol;
lc = gnc_localeconv();
nice_symbol = lc->currency_symbol;
if (!g_strcmp0(gnc_commodity_get_mnemonic(cm), lc->int_curr_symbol))
return nice_symbol;
nice_symbol = gnc_commodity_get_default_symbol(cm);
if (nice_symbol && *nice_symbol)
return nice_symbol;
return gnc_commodity_get_mnemonic(cm);
}
/********************************************************************
* gnc_commodity_set_mnemonic
********************************************************************/
void
gnc_commodity_set_mnemonic(gnc_commodity * cm, const char * mnemonic)
{
gnc_commodityPrivate* priv;
if (!cm) return;
priv = GET_PRIVATE(cm);
if (priv->mnemonic == mnemonic) return;
gnc_commodity_begin_edit(cm);
CACHE_REMOVE (priv->mnemonic);
priv->mnemonic = CACHE_INSERT(mnemonic);
mark_commodity_dirty (cm);
reset_printname(priv);
reset_unique_name(priv);
gnc_commodity_commit_edit(cm);
}
/********************************************************************
* gnc_commodity_set_namespace
********************************************************************/
void
gnc_commodity_set_namespace(gnc_commodity * cm, const char * name_space)
{
QofBook *book;
gnc_commodity_table *table;
gnc_commodity_namespace *nsp;
gnc_commodityPrivate* priv;
if (!cm) return;
priv = GET_PRIVATE(cm);
book = qof_instance_get_book (&cm->inst);
table = gnc_commodity_table_get_table(book);
nsp = gnc_commodity_table_add_namespace(table, name_space, book);
if (priv->name_space == nsp)
return;
gnc_commodity_begin_edit(cm);
priv->name_space = nsp;
if (nsp->iso4217)
priv->quote_source = gnc_quote_source_lookup_by_internal("currency");
mark_commodity_dirty(cm);
reset_printname(priv);
reset_unique_name(priv);
gnc_commodity_commit_edit(cm);
}
/********************************************************************
* gnc_commodity_set_fullname
********************************************************************/
void
gnc_commodity_set_fullname(gnc_commodity * cm, const char * fullname)
{
gnc_commodityPrivate* priv;
if (!cm) return;
priv = GET_PRIVATE(cm);
if (priv->fullname == fullname) return;
CACHE_REMOVE (priv->fullname);
priv->fullname = CACHE_INSERT (fullname);
gnc_commodity_begin_edit(cm);
mark_commodity_dirty(cm);
reset_printname(priv);
gnc_commodity_commit_edit(cm);
}
/********************************************************************
* gnc_commodity_set_cusip
********************************************************************/
void
gnc_commodity_set_cusip(gnc_commodity * cm,
const char * cusip)
{
gnc_commodityPrivate* priv;
if (!cm) return;
priv = GET_PRIVATE(cm);
if (priv->cusip == cusip) return;
gnc_commodity_begin_edit(cm);
CACHE_REMOVE (priv->cusip);
priv->cusip = CACHE_INSERT (cusip);
mark_commodity_dirty(cm);
gnc_commodity_commit_edit(cm);
}
/********************************************************************
* gnc_commodity_set_fraction
********************************************************************/
void
gnc_commodity_set_fraction(gnc_commodity * cm, int fraction)
{
if (!cm) return;
gnc_commodity_begin_edit(cm);
GET_PRIVATE(cm)->fraction = fraction;
mark_commodity_dirty(cm);
gnc_commodity_commit_edit(cm);
}
/********************************************************************
* gnc_commodity_set_auto_quote_control_flag
********************************************************************/
static void
gnc_commodity_set_auto_quote_control_flag(gnc_commodity *cm,
const gboolean flag)
{
GValue v = G_VALUE_INIT;
ENTER ("(cm=%p, flag=%d)", cm, flag);
if (!cm)
{
LEAVE("");
return;
}
gnc_commodity_begin_edit(cm);
if (flag)
qof_instance_set_kvp (QOF_INSTANCE (cm), nullptr, 1, "auto_quote_control");
else
{
g_value_init (&v, G_TYPE_STRING);
g_value_set_string (&v, "false");
qof_instance_set_kvp (QOF_INSTANCE (cm), &v, 1, "auto_quote_control");
}
g_value_unset (&v);
mark_commodity_dirty(cm);
gnc_commodity_commit_edit(cm);
LEAVE("");
}
/********************************************************************
* gnc_commodity_user_set_quote_flag
********************************************************************/
void
gnc_commodity_user_set_quote_flag(gnc_commodity *cm, const gboolean flag)
{
gnc_commodityPrivate* priv;
ENTER ("(cm=%p, flag=%d)", cm, flag);
if (!cm)
{
LEAVE("");
return;
}
priv = GET_PRIVATE(cm);
gnc_commodity_begin_edit(cm);
gnc_commodity_set_quote_flag(cm, flag);
if (gnc_commodity_is_iso(cm))
{
/* For currencies, disable auto quote control if the quote flag is being
* changed from its default value and enable it if the quote flag is being
* reset to its default value. The defaults for the quote flag are
* disabled if no accounts are using the currency, and true otherwise.
* Thus enable auto quote control if flag is FALSE and there are not any
* accounts using this currency OR flag is TRUE and there are accounts
* using this currency; otherwise disable auto quote control */
gnc_commodity_set_auto_quote_control_flag(cm,
(!flag && (priv->usage_count == 0)) || (flag && (priv->usage_count != 0)));
}
gnc_commodity_commit_edit(cm);
LEAVE("");
}
/********************************************************************
* gnc_commodity_set_quote_flag
********************************************************************/
void
gnc_commodity_set_quote_flag(gnc_commodity *cm, const gboolean flag)
{
ENTER ("(cm=%p, flag=%d)", cm, flag);
if (!cm) return;
gnc_commodity_begin_edit(cm);
GET_PRIVATE(cm)->quote_flag = flag;
mark_commodity_dirty(cm);
gnc_commodity_commit_edit(cm);
LEAVE(" ");
}
/********************************************************************
* gnc_commodity_set_quote_source
********************************************************************/
void
gnc_commodity_set_quote_source(gnc_commodity *cm, gnc_quote_source *src)
{
ENTER ("(cm=%p, src=%p(%s))", cm, src, src ? src->get_internal_name() : "unknown");
if (!cm) return;
gnc_commodity_begin_edit(cm);
GET_PRIVATE(cm)->quote_source = src;
mark_commodity_dirty(cm);
gnc_commodity_commit_edit(cm);
LEAVE(" ");
}
/********************************************************************
* gnc_commodity_set_quote_tz
********************************************************************/
void
gnc_commodity_set_quote_tz(gnc_commodity *cm, const char *tz)
{
gnc_commodityPrivate* priv;
if (!cm) return;
ENTER ("(cm=%p, tz=%s)", cm, tz ? tz : "(null)");
priv = GET_PRIVATE(cm);
if (tz == priv->quote_tz)
{
LEAVE("Already correct TZ");
return;
}
gnc_commodity_begin_edit(cm);
CACHE_REMOVE (priv->quote_tz);
priv->quote_tz = CACHE_INSERT (tz);
mark_commodity_dirty(cm);
gnc_commodity_commit_edit(cm);
LEAVE(" ");
}
/********************************************************************
* gnc_commodity_set_user_symbol
********************************************************************/
void
gnc_commodity_set_user_symbol(gnc_commodity * cm, const char * user_symbol)
{
struct lconv *lc;
if (!cm) return;
ENTER ("(cm=%p, symbol=%s)", cm, user_symbol ? user_symbol : "(null)");
lc = gnc_localeconv();
if (!user_symbol || !*user_symbol)
user_symbol = nullptr;
else if (!g_strcmp0(lc->int_curr_symbol, gnc_commodity_get_mnemonic(cm)) &&
!g_strcmp0(lc->currency_symbol, user_symbol))
/* if the user gives the ISO symbol for the locale currency or the
* default symbol, actually remove the user symbol */
user_symbol = nullptr;
else if (!g_strcmp0(user_symbol, gnc_commodity_get_default_symbol(cm)))
user_symbol = nullptr;
gnc_commodity_begin_edit (cm);
if (user_symbol)
{
GValue v = G_VALUE_INIT;
g_value_init (&v, G_TYPE_STRING);
g_value_set_static_string (&v, user_symbol);
qof_instance_set_kvp (QOF_INSTANCE(cm), &v, 1, "user_symbol");
g_value_unset (&v);
}
else
{
qof_instance_set_kvp (QOF_INSTANCE(cm), nullptr, 1, "user_symbol");
}
mark_commodity_dirty(cm);
gnc_commodity_commit_edit(cm);
LEAVE(" ");
}
/********************************************************************
* gnc_commodity_set_default_symbol
* Not made visible in gnc-commodity.h, it is only called from
* iso-4217-currencies.c at startup.
********************************************************************/
void
gnc_commodity_set_default_symbol(gnc_commodity * cm,
const char * default_symbol)
{
GET_PRIVATE(cm)->default_symbol = default_symbol;
}
/********************************************************************
* gnc_commodity_increment_usage_count
********************************************************************/
void
gnc_commodity_increment_usage_count(gnc_commodity *cm)
{
gnc_commodityPrivate* priv;
ENTER("(cm=%p)", cm);
if (!cm)
{
LEAVE("");
return;
}
priv = GET_PRIVATE(cm);
if ((priv->usage_count == 0) && !priv->quote_flag
&& gnc_commodity_get_auto_quote_control_flag(cm)
&& gnc_commodity_is_iso(cm))
{
/* compatibility hack - Gnucash 1.8 gets currency quotes when a
non-default currency is assigned to an account. */
gnc_commodity_begin_edit(cm);
gnc_commodity_set_quote_flag(cm, TRUE);
gnc_commodity_set_quote_source(cm,
gnc_commodity_get_default_quote_source(cm));
gnc_commodity_commit_edit(cm);
}
priv->usage_count++;
LEAVE("(usage_count=%d)", priv->usage_count);
}
/********************************************************************
* gnc_commodity_decrement_usage_count
********************************************************************/
void
gnc_commodity_decrement_usage_count(gnc_commodity *cm)
{
gnc_commodityPrivate* priv;
ENTER("(cm=%p)", cm);
if (!cm)
{
LEAVE("");
return;
}
priv = GET_PRIVATE(cm);
if (priv->usage_count == 0)
{
PWARN("usage_count already zero");
LEAVE("");
return;
}
priv->usage_count--;
if ((priv->usage_count == 0) && priv->quote_flag
&& gnc_commodity_get_auto_quote_control_flag(cm)
&& gnc_commodity_is_iso(cm))
{
/* if this is a currency with auto quote control enabled and no more
* accounts reference this currency, disable quote retrieval */
gnc_commodity_set_quote_flag(cm, FALSE);
}
LEAVE("(usage_count=%d)", priv->usage_count);
}
/********************************************************************\
\********************************************************************/
/********************************************************************
* gnc_commodity_equiv
* are two commodities the same?
********************************************************************/
gboolean
gnc_commodity_equiv(const gnc_commodity * a, const gnc_commodity * b)
{
gnc_commodityPrivate* priv_a;
gnc_commodityPrivate* priv_b;
if (a == b) return TRUE;
if (!a || !b) return FALSE;
priv_a = GET_PRIVATE(a);
priv_b = GET_PRIVATE(b);
if (priv_a->name_space != priv_b->name_space) return FALSE;
if (g_strcmp0(priv_a->mnemonic, priv_b->mnemonic) != 0) return FALSE;
return TRUE;
}
gboolean
gnc_commodity_equal(const gnc_commodity * a, const gnc_commodity * b)
{
return gnc_commodity_compare(a, b) == 0;
}
// Used as a sorting callback for deleting old prices, so it needs to be
// stable but doesn't need to be in any particular order sensible to humans.
int gnc_commodity_compare(const gnc_commodity * a, const gnc_commodity * b)
{
if (a == b) return 0;
if (a && !b) return 1;
if (b && !a) return -1;
return qof_instance_guid_compare(a, b);
}
// Used as a callback to g_list_find_custom, it should return 0
// when the commodities match.
int gnc_commodity_compare_void(const void * a, const void * b)
{
return gnc_commodity_compare(GNC_COMMODITY (a), GNC_COMMODITY (b));
}
/************************************************************
* Namespace functions *
************************************************************/
const char *
gnc_commodity_namespace_get_name (const gnc_commodity_namespace *ns)
{
if (ns == nullptr)
return nullptr;
return ns->name;
}
const char *
gnc_commodity_namespace_get_gui_name (const gnc_commodity_namespace *ns)
{
if (ns == nullptr)
return nullptr;
if (g_strcmp0 (ns->name, GNC_COMMODITY_NS_CURRENCY) == 0)
return GNC_COMMODITY_NS_ISO_GUI;
return ns->name;
}
GList *
gnc_commodity_namespace_get_commodity_list(const gnc_commodity_namespace *name_space)
{
if (!name_space)
return nullptr;
return name_space->cm_list;
}
gboolean
gnc_commodity_namespace_is_iso(const char *name_space)
{
return ((g_strcmp0(name_space, GNC_COMMODITY_NS_ISO) == 0) ||
(g_strcmp0(name_space, GNC_COMMODITY_NS_CURRENCY) == 0));
}
static const gchar *
gnc_commodity_table_map_namespace(const char * name_space)
{
if (g_strcmp0(name_space, GNC_COMMODITY_NS_ISO) == 0)
return GNC_COMMODITY_NS_CURRENCY;
return name_space;
}
/********************************************************************
* gnc_commodity_table_new
* make a new commodity table
********************************************************************/
gnc_commodity_table *
gnc_commodity_table_new(void)
{
gnc_commodity_table * retval = g_new0(gnc_commodity_table, 1);
retval->ns_table = g_hash_table_new(&g_str_hash, &g_str_equal);
retval->ns_list = nullptr;
return retval;
}
/********************************************************************
* book anchor functions
********************************************************************/
gnc_commodity_table *
gnc_commodity_table_get_table(QofBook *book)
{
if (!book) return nullptr;
return static_cast<gnc_commodity_table*>(qof_book_get_data (book, GNC_COMMODITY_TABLE));
}
gnc_commodity *
gnc_commodity_obtain_twin (const gnc_commodity *from, QofBook *book)
{
gnc_commodity *twin;
const char * ucom;
gnc_commodity_table * comtbl;
if (!from) return nullptr;
comtbl = gnc_commodity_table_get_table (book);
if (!comtbl) return nullptr;
ucom = gnc_commodity_get_unique_name (from);
twin = gnc_commodity_table_lookup_unique (comtbl, ucom);
if (!twin)
{
twin = gnc_commodity_clone (from, book);
twin = gnc_commodity_table_insert (comtbl, twin);
}
return twin;
}
/********************************************************************
* gnc_commodity_table_get_size
* get the size of the commodity table
********************************************************************/
static void
count_coms(gpointer key, gpointer value, gpointer user_data)
{
GHashTable *tbl = ((gnc_commodity_namespace*)value)->cm_table;
guint *count = (guint*)user_data;
if (g_strcmp0((char*)key, GNC_COMMODITY_NS_CURRENCY) == 0)
{
/* don't count default commodities */
return;
}
if (!value) return;
*count += g_hash_table_size(tbl);
}
guint
gnc_commodity_table_get_size(const gnc_commodity_table* tbl)
{
guint count = 0;
g_return_val_if_fail(tbl, 0);
g_return_val_if_fail(tbl->ns_table, 0);
g_hash_table_foreach(tbl->ns_table, count_coms, (gpointer)&count);
return count;
}
/********************************************************************
* gnc_commodity_table_lookup
* locate a commodity by namespace and mnemonic.
********************************************************************/
gnc_commodity *
gnc_commodity_table_lookup(const gnc_commodity_table * table,
const char * name_space, const char * mnemonic)
{
gnc_commodity_namespace * nsp = nullptr;
if (!table || !name_space || !mnemonic) return nullptr;
nsp = gnc_commodity_table_find_namespace(table, name_space);
if (nsp)
{
/*
* Backward compatibility support for currencies that have
* recently changed.
*/
if (nsp->iso4217)
{
auto it = gnc_new_iso_codes.find (mnemonic);
if (it != gnc_new_iso_codes.end())
mnemonic = it->second.c_str();
}
return GNC_COMMODITY(g_hash_table_lookup(nsp->cm_table, (gpointer)mnemonic));
}
else
{
return nullptr;
}
}
/********************************************************************
* gnc_commodity_table_lookup
* locate a commodity by unique name.
********************************************************************/
gnc_commodity *
gnc_commodity_table_lookup_unique(const gnc_commodity_table *table,
const char * unique_name)
{
char *name_space;
char *mnemonic;
gnc_commodity *commodity;
if (!table || !unique_name) return nullptr;
name_space = g_strdup (unique_name);
mnemonic = strstr (name_space, "::");
if (!mnemonic)
{
g_free (name_space);
return nullptr;
}
*mnemonic = '\0';
mnemonic += 2;
commodity = gnc_commodity_table_lookup (table, name_space, mnemonic);
g_free (name_space);
return commodity;
}
/********************************************************************
* gnc_commodity_table_find_full
* locate a commodity by namespace and printable name
********************************************************************/
gnc_commodity *
gnc_commodity_table_find_full(const gnc_commodity_table * table,
const char * name_space,
const char * fullname)
{
gnc_commodity * retval = nullptr;
GList * all;
GList * iterator;
if (!fullname || (fullname[0] == '\0'))
return nullptr;
all = gnc_commodity_table_get_commodities(table, name_space);
for (iterator = all; iterator; iterator = iterator->next)
{
auto commodity = GNC_COMMODITY (iterator->data);
if (!strcmp(fullname,
gnc_commodity_get_printname(commodity)))
{
retval = commodity;
break;
}
}
g_list_free (all);
return retval;
}
/********************************************************************
* gnc_commodity_table_insert
* add a commodity to the table.
********************************************************************/
gnc_commodity *
gnc_commodity_table_insert(gnc_commodity_table * table,
gnc_commodity * comm)
{
gnc_commodity_namespace * nsp = nullptr;
gnc_commodity *c;
const char *ns_name;
gnc_commodityPrivate* priv;
QofBook *book;
if (!table) return nullptr;
if (!comm) return nullptr;
priv = GET_PRIVATE(comm);
ENTER ("(table=%p, comm=%p) %s %s", table, comm,
(priv->mnemonic == nullptr ? "(null)" : priv->mnemonic),
(priv->fullname == nullptr ? "(null)" : priv->fullname));
ns_name = gnc_commodity_namespace_get_name(priv->name_space);
c = gnc_commodity_table_lookup (table, ns_name, priv->mnemonic);
if (c)
{
if (c == comm)
{
LEAVE("already in table");
return c;
}
/* Backward compatibility support for currencies that have
* recently changed. */
if (priv->name_space->iso4217)
{
auto it = gnc_new_iso_codes.find (priv->mnemonic);
if (it != gnc_new_iso_codes.end())
gnc_commodity_set_mnemonic(comm, it->second.c_str());
}
gnc_commodity_copy (c, comm);
gnc_commodity_destroy (comm);
LEAVE("found at %p", c);
return c;
}
/* Prevent setting anything except template in namespace template. */
if (g_strcmp0 (ns_name, GNC_COMMODITY_NS_TEMPLATE) == 0 &&
g_strcmp0 (priv->mnemonic, "template") != 0)
{
PWARN("Converting commodity %s from namespace template to "
"namespace User", priv->mnemonic);
gnc_commodity_set_namespace (comm, "User");
ns_name = "User";
mark_commodity_dirty (comm);
}
book = qof_instance_get_book (&comm->inst);
nsp = gnc_commodity_table_add_namespace(table, ns_name, book);
PINFO ("insert %p %s into nsp=%p %s", priv->mnemonic, priv->mnemonic,
nsp->cm_table, nsp->name);
g_hash_table_insert(nsp->cm_table,
(gpointer)CACHE_INSERT(priv->mnemonic),
(gpointer)comm);
nsp->cm_list = g_list_append(nsp->cm_list, comm);
qof_event_gen (&comm->inst, QOF_EVENT_ADD, nullptr);
LEAVE ("(table=%p, comm=%p)", table, comm);
return comm;
}
/********************************************************************
* gnc_commodity_table_remove
* remove a commodity from the table.
********************************************************************/
void
gnc_commodity_table_remove(gnc_commodity_table * table,
gnc_commodity * comm)
{
gnc_commodity_namespace * nsp;
gnc_commodity *c;
gnc_commodityPrivate* priv;
const char *ns_name;
if (!table) return;
if (!comm) return;
priv = GET_PRIVATE(comm);
ns_name = gnc_commodity_namespace_get_name(priv->name_space);
c = gnc_commodity_table_lookup (table, ns_name, priv->mnemonic);
if (c != comm) return;
qof_event_gen (&comm->inst, QOF_EVENT_REMOVE, nullptr);
nsp = gnc_commodity_table_find_namespace(table, ns_name);
if (!nsp) return;
nsp->cm_list = g_list_remove(nsp->cm_list, comm);
g_hash_table_remove (nsp->cm_table, priv->mnemonic);
/* XXX minor mem leak, should remove the key as well */
}
/********************************************************************
* gnc_commodity_table_has_namespace
* see if the commodities namespace exists. May have zero commodities.
********************************************************************/
int
gnc_commodity_table_has_namespace(const gnc_commodity_table * table,
const char * name_space)
{
gnc_commodity_namespace * nsp = nullptr;
if (!table || !name_space)
{
return 0;
}
nsp = gnc_commodity_table_find_namespace(table, name_space);
if (nsp)
{
return 1;
}
else
{
return 0;
}
}
static void
hash_keys_helper(gpointer key, gpointer value, gpointer data)
{
auto l = (GList**)data;
*l = g_list_prepend(*l, key);
}
static GList *
g_hash_table_keys(GHashTable * table)
{
GList * l = nullptr;
g_hash_table_foreach(table, &hash_keys_helper, (gpointer) &l);
return l;
}
static void
hash_values_helper(gpointer key, gpointer value, gpointer data)
{
auto l = (GList**)data;
*l = g_list_prepend(*l, value);
}
static GList *
g_hash_table_values(GHashTable * table)
{
GList * l = nullptr;
g_hash_table_foreach(table, &hash_values_helper, (gpointer) &l);
return l;
}
/********************************************************************
* gnc_commodity_table_get_namespaces
* see if any commodities in the namespace exist
********************************************************************/
GList *
gnc_commodity_table_get_namespaces(const gnc_commodity_table * table)
{
if (!table)
return nullptr;
return g_hash_table_keys(table->ns_table);
}
GList *
gnc_commodity_table_get_namespaces_list(const gnc_commodity_table * table)
{
if (!table)
return nullptr;
return table->ns_list;
}
/* Because gnc_commodity_table_add_namespace maps GNC_COMMODITY_NS_ISO to
GNC_COMMODITY_NS_CURRENCY and then sets iso4217 if the namespace is
either of these, the net result is that the iso4217 bit is set only
for GNC_COMMODITY_NS_CURRENCY. This means that gnc_commodity_is_iso is
a subset of gnc_commodity_is_currency. Most callers seem to use
gnc_commodity_is_iso. */
gboolean
gnc_commodity_is_iso(const gnc_commodity * cm)
{
gnc_commodityPrivate* priv;
if (!cm) return FALSE;
priv = GET_PRIVATE(cm);
if ( !priv->name_space) return FALSE;
return priv->name_space->iso4217;
}
gboolean
gnc_commodity_is_currency(const gnc_commodity *cm)
{
const char *ns_name;
if (!cm) return FALSE;
ns_name = gnc_commodity_namespace_get_name(GET_PRIVATE(cm)->name_space);
return (!g_strcmp0(ns_name, GNC_COMMODITY_NS_LEGACY) ||
!g_strcmp0(ns_name, GNC_COMMODITY_NS_CURRENCY));
}
/********************************************************************
* gnc_commodity_table_get_commodities
* list commodities in a given namespace
********************************************************************/
static CommodityList*
commodity_table_get_all_noncurrency_commodities(const gnc_commodity_table* table)
{
GList *node = nullptr, *nslist = gnc_commodity_table_get_namespaces(table);
CommodityList *retval = nullptr;
for (node = nslist; node; node=g_list_next(node))
{
gnc_commodity_namespace *ns = nullptr;
if (g_strcmp0((char*)(node->data), GNC_COMMODITY_NS_CURRENCY) == 0
|| g_strcmp0((char*)(node->data), GNC_COMMODITY_NS_TEMPLATE) == 0)
continue;
ns = gnc_commodity_table_find_namespace(table, (char*)(node->data));
if (!ns)
continue;
retval = g_list_concat(g_hash_table_values(ns->cm_table), retval);
}
g_list_free(nslist);
return retval;
}
CommodityList *
gnc_commodity_table_get_commodities(const gnc_commodity_table * table,
const char * name_space)
{
gnc_commodity_namespace * ns = nullptr;
if (!table)
return nullptr;
if (g_strcmp0(name_space, GNC_COMMODITY_NS_NONISO_GUI) == 0)
return commodity_table_get_all_noncurrency_commodities(table);
ns = gnc_commodity_table_find_namespace(table, name_space);
if (!ns)
return nullptr;
return g_hash_table_values(ns->cm_table);
}
/********************************************************************
* gnc_commodity_table_get_quotable_commodities
* list commodities in a given namespace that get price quotes
********************************************************************/
static void
get_quotables_helper1(gpointer key, gpointer value, gpointer data)
{
auto comm = GNC_COMMODITY(value);
gnc_commodityPrivate* priv = GET_PRIVATE(comm);
auto l = static_cast<GList**>(data);
if (!priv->quote_flag || !priv->quote_source || !priv->quote_source->get_supported())
return;
*l = g_list_prepend(*l, value);
}
static gboolean
get_quotables_helper2 (gnc_commodity *comm, gpointer data)
{
auto l = static_cast<GList**>(data);
gnc_commodityPrivate* priv = GET_PRIVATE(comm);
if (!priv->quote_flag || priv->quote_source || !priv->quote_source->get_supported())
return TRUE;
*l = g_list_prepend(*l, comm);
return TRUE;
}
CommodityList *
gnc_commodity_table_get_quotable_commodities(const gnc_commodity_table * table)
{
gnc_commodity_namespace * ns = nullptr;
const char *name_space;
GList * nslist, * tmp;
GList * l = nullptr;
regex_t pattern;
const char *expression = gnc_prefs_get_namespace_regexp();
ENTER("table=%p, expression=%s", table, expression);
if (!table)
return nullptr;
if (expression && *expression)
{
if (regcomp(&pattern, expression, REG_EXTENDED | REG_ICASE) != 0)
{
LEAVE("Cannot compile regex");
return nullptr;
}
nslist = gnc_commodity_table_get_namespaces(table);
for (tmp = nslist; tmp; tmp = tmp->next)
{
name_space = static_cast<const char*>(tmp->data);
if (regexec(&pattern, name_space, 0, nullptr, 0) == 0)
{
DEBUG("Running list of %s commodities", name_space);
ns = gnc_commodity_table_find_namespace(table, name_space);
if (ns)
{
g_hash_table_foreach(ns->cm_table, &get_quotables_helper1, (gpointer) &l);
}
}
}
g_list_free(nslist);
regfree(&pattern);
}
else
{
gnc_commodity_table_foreach_commodity(table, get_quotables_helper2,
(gpointer) &l);
}
LEAVE("list head %p", l);
return l;
}
/********************************************************************
* gnc_commodity_table_add_namespace
* add an empty namespace if it does not exist
********************************************************************/
/* GObject Initialization */
QOF_GOBJECT_IMPL(gnc_commodity_namespace, gnc_commodity_namespace, QOF_TYPE_INSTANCE)
static void
gnc_commodity_namespace_init(gnc_commodity_namespace* ns)
{
}
static void
gnc_commodity_namespace_dispose_real (GObject *nsp)
{
}
static void
gnc_commodity_namespace_finalize_real(GObject* nsp)
{
}
gnc_commodity_namespace *
gnc_commodity_table_add_namespace(gnc_commodity_table * table,
const char * name_space,
QofBook *book)
{
gnc_commodity_namespace * ns = nullptr;
if (!table) return nullptr;
name_space = gnc_commodity_table_map_namespace(name_space);
ns = gnc_commodity_table_find_namespace(table, name_space);
if (!ns)
{
ns = static_cast<gnc_commodity_namespace*>(g_object_new(GNC_TYPE_COMMODITY_NAMESPACE, nullptr));
ns->cm_table = g_hash_table_new(g_str_hash, g_str_equal);
ns->name = CACHE_INSERT(static_cast<const char*>(name_space));
ns->iso4217 = gnc_commodity_namespace_is_iso(name_space);
qof_instance_init_data (&ns->inst, GNC_ID_COMMODITY_NAMESPACE, book);
qof_event_gen (&ns->inst, QOF_EVENT_CREATE, nullptr);
g_hash_table_insert(table->ns_table,
(gpointer) ns->name,
(gpointer) ns);
table->ns_list = g_list_append(table->ns_list, ns);
qof_event_gen (&ns->inst, QOF_EVENT_ADD, nullptr);
}
return ns;
}
gnc_commodity_namespace *
gnc_commodity_table_find_namespace(const gnc_commodity_table * table,
const char * name_space)
{
if (!table || !name_space)
return nullptr;
name_space = gnc_commodity_table_map_namespace(name_space);
return static_cast<gnc_commodity_namespace*>(g_hash_table_lookup(table->ns_table, (gpointer)name_space));
}
gnc_commodity *
gnc_commodity_find_commodity_by_guid(const GncGUID *guid, QofBook *book)
{
QofCollection *col;
if (!guid || !book) return nullptr;
col = qof_book_get_collection (book, GNC_ID_COMMODITY);
return (gnc_commodity *) qof_collection_lookup_entity (col, guid);
}
/********************************************************************
* gnc_commodity_table_delete_namespace
* delete a namespace
********************************************************************/
static int
ns_helper(gpointer key, gpointer value, gpointer user_data)
{
auto c = GNC_COMMODITY(value);
gnc_commodity_destroy(c);
CACHE_REMOVE(static_cast<char*>(key)); /* key is commodity mnemonic */
return TRUE;
}
void
gnc_commodity_table_delete_namespace(gnc_commodity_table * table,
const char * name_space)
{
gnc_commodity_namespace * ns;
if (!table) return;
ns = gnc_commodity_table_find_namespace(table, name_space);
if (!ns)
return;
qof_event_gen (&ns->inst, QOF_EVENT_REMOVE, nullptr);
g_hash_table_remove(table->ns_table, name_space);
table->ns_list = g_list_remove(table->ns_list, ns);
g_list_free(ns->cm_list);
ns->cm_list = nullptr;
g_hash_table_foreach_remove(ns->cm_table, ns_helper, nullptr);
g_hash_table_destroy(ns->cm_table);
CACHE_REMOVE(ns->name);
qof_event_gen (&ns->inst, QOF_EVENT_DESTROY, nullptr);
/* qof_instance_release(&ns->inst); */
g_object_unref(ns);
}
/********************************************************************
* gnc_commodity_table_foreach_commodity
* call user-defined function once for every commodity in every
* namespace
********************************************************************/
typedef struct
{
gboolean ok;
gboolean (*func)(gnc_commodity *, gpointer);
gpointer user_data;
} IterData;
static void
iter_commodity (gpointer key, gpointer value, gpointer user_data)
{
IterData *iter_data = (IterData *) user_data;
gnc_commodity *cm = (gnc_commodity *) value;
if (iter_data->ok)
{
iter_data->ok = (iter_data->func)(cm, iter_data->user_data);
}
}
static void
iter_namespace (gpointer key, gpointer value, gpointer user_data)
{
GHashTable *namespace_hash = ((gnc_commodity_namespace *) value)->cm_table;
g_hash_table_foreach (namespace_hash, iter_commodity, user_data);
}
gboolean
gnc_commodity_table_foreach_commodity (const gnc_commodity_table * tbl,
gboolean (*f)(gnc_commodity *, gpointer),
gpointer user_data)
{
IterData iter_data;
if (!tbl || !f) return FALSE;
iter_data.ok = TRUE;
iter_data.func = f;
iter_data.user_data = user_data;
g_hash_table_foreach(tbl->ns_table, iter_namespace, (gpointer)&iter_data);
return iter_data.ok;
}
/********************************************************************
* gnc_commodity_table_destroy
* cleanup and free.
********************************************************************/
void
gnc_commodity_table_destroy(gnc_commodity_table * t)
{
gnc_commodity_namespace * ns;
GList *item, *next;
if (!t) return;
ENTER ("table=%p", t);
for (item = t->ns_list; item; item = next)
{
next = g_list_next(item);
ns = static_cast<gnc_commodity_namespace*>(item->data);
gnc_commodity_table_delete_namespace(t, ns->name);
}
g_list_free(t->ns_list);
t->ns_list = nullptr;
g_hash_table_destroy(t->ns_table);
t->ns_table = nullptr;
LEAVE ("table=%p", t);
g_free(t);
}
/* =========================================================== */
/********************************************************************
* gnc_commodity_table_add_default_data
********************************************************************/
#define CUR_I18N(String) dgettext ("iso_4217", String)
gboolean
gnc_commodity_table_add_default_data(gnc_commodity_table *table, QofBook *book)
{
QofCollection *col;
gnc_commodity* c;
ENTER ("table=%p", table);
gnc_commodity_table_add_namespace(table, GNC_COMMODITY_NS_TEMPLATE, book);
c = gnc_commodity_new(book, "template", GNC_COMMODITY_NS_TEMPLATE, "template", "template", 1);
gnc_commodity_table_insert(table, c);
#include "iso-4217-currencies.c"
/* We've just created the default namespaces and currencies. Mark
* these collections as clean because there is no USER entered data
* in these collections as of yet. */
col = qof_book_get_collection(book, GNC_ID_COMMODITY);
qof_collection_mark_clean(col);
col = qof_book_get_collection(book, GNC_ID_COMMODITY_NAMESPACE);
qof_collection_mark_clean(col);
LEAVE ("table=%p", table);
return TRUE;
}
/********************************************************************
********************************************************************/
/* QofObject function implementation and registration */
#ifdef _MSC_VER
/* MSVC compiler doesn't have C99 "designated initializers"
* so we wrap them in a macro that is empty on MSVC. */
# define DI(x) /* */
#else
# define DI(x) x
#endif
static QofObject commodity_object_def =
{
DI(.interface_version = ) QOF_OBJECT_VERSION,
DI(.e_type = ) GNC_ID_COMMODITY,
DI(.type_label = ) "Commodity",
DI(.create = ) nullptr,
DI(.book_begin = ) nullptr,
DI(.book_end = ) nullptr,
DI(.is_dirty = ) qof_collection_is_dirty,
DI(.mark_clean = ) qof_collection_mark_clean,
DI(.foreach = ) qof_collection_foreach,
DI(.printable = ) (const char * (*)(gpointer)) gnc_commodity_get_fullname,
};
static QofObject namespace_object_def =
{
DI(.interface_version = ) QOF_OBJECT_VERSION,
DI(.e_type = ) GNC_ID_COMMODITY_NAMESPACE,
DI(.type_label = ) "Namespace",
DI(.create = ) nullptr,
DI(.book_begin = ) nullptr,
DI(.book_end = ) nullptr,
DI(.is_dirty = ) nullptr,
DI(.mark_clean = ) nullptr,
DI(.foreach = ) nullptr,
DI(.printable = ) nullptr,
};
static void
commodity_table_book_begin (QofBook *book)
{
gnc_commodity_table *ct;
ENTER ("book=%p", book);
if (gnc_commodity_table_get_table(book))
return;
ct = gnc_commodity_table_new ();
qof_book_set_data (book, GNC_COMMODITY_TABLE, ct);
if (!gnc_commodity_table_add_default_data(ct, book))
{
PWARN("unable to initialize book's commodity_table");
}
LEAVE ("book=%p", book);
}
static void
commodity_table_book_end (QofBook *book)
{
gnc_commodity_table *ct;
ct = gnc_commodity_table_get_table (book);
qof_book_set_data (book, GNC_COMMODITY_TABLE, nullptr);
gnc_commodity_table_destroy (ct);
}
static QofObject commodity_table_object_def =
{
DI(.interface_version = ) QOF_OBJECT_VERSION,
DI(.e_type = ) GNC_ID_COMMODITY_TABLE,
DI(.type_label = ) "CommodityTable",
DI(.create = ) nullptr,
DI(.book_begin = ) commodity_table_book_begin,
DI(.book_end = ) commodity_table_book_end,
DI(.is_dirty = ) qof_collection_is_dirty,
DI(.mark_clean = ) qof_collection_mark_clean,
DI(.foreach = ) nullptr,
DI(.printable = ) nullptr,
DI(.version_cmp = ) nullptr,
};
gboolean
gnc_commodity_table_register (void)
{
if (!qof_object_register (&commodity_object_def))
return FALSE;
if (!qof_object_register (&namespace_object_def))
return FALSE;
return qof_object_register (&commodity_table_object_def);
}
/* *******************************************************************
* gnc_monetary methods
********************************************************************/
/** Add a gnc_monetary to the list */
MonetaryList *
gnc_monetary_list_add_monetary(MonetaryList *list, gnc_monetary add_mon)
{
MonetaryList *l = list, *tmp;
for (tmp = list; tmp; tmp = tmp->next)
{
auto list_mon = static_cast<gnc_monetary*>(tmp->data);
if (gnc_commodity_equiv(list_mon->commodity, add_mon.commodity))
{
list_mon->value = gnc_numeric_add(list_mon->value, add_mon.value,
GNC_DENOM_AUTO, GNC_HOW_DENOM_EXACT);
break;
}
}
/* See if we found an entry, and add one if not */
if (tmp == nullptr)
{
auto new_mon = static_cast<gnc_monetary*>(g_new0(gnc_monetary, 1));
*new_mon = add_mon;
l = g_list_prepend(l, new_mon);
}
return l;
}
/** Delete all entries in the list that have zero value. Return list
pointer will be a null pointer if there are no non-zero entries **/
MonetaryList *
gnc_monetary_list_delete_zeros(MonetaryList *list)
{
MonetaryList *node, *next;
for (node = list; node; node = next)
{
auto mon = static_cast<gnc_monetary*>(node->data);
next = node->next;
if (gnc_numeric_zero_p(mon->value))
{
g_free(mon);
list = g_list_delete_link(list, node);
}
}
return list;
}
/** Free a MonetaryList and all the monetaries it points to */
void
gnc_monetary_list_free(MonetaryList *list)
{
MonetaryList *tmp;
for (tmp = list; tmp; tmp = tmp->next)
{
g_free(tmp->data);
}
g_list_free(list);
}
/* ========================= END OF FILE ============================== */
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