unitsdb.cpp File Reference

(986a3bf)

#include "resources/db/unitsdb.h"
#include "configuration.h"
#include "const/resources/currency.h"
#include "utils/cast.h"
#include "utils/checkutils.h"
#include "utils/stdmove.h"
#include "resources/beingcommon.h"
#include <climits>
#include "debug.h"

Go to the source code of this file.

Data Structures
struct	anonymous_namespace{unitsdb.cpp}::UnitLevel
struct	anonymous_namespace{unitsdb.cpp}::UnitDescription

Namespaces
	anonymous_namespace{unitsdb.cpp}

Functions
static std::string	formatUnit (const int value, const UnitDescription &ud)
static std::string	splitNumber (std::string str, const std::string &separator)
static UnitDescription	loadUnit (xmlNodePtr node)
static void	loadCurrencies (xmlNodePtr parentNode)

Variables
UnitDescription	anonymous_namespace{unitsdb.cpp}::defaultCurrency
UnitDescription	anonymous_namespace{unitsdb.cpp}::defaultWeight
std::map< std::string, UnitDescription >	anonymous_namespace{unitsdb.cpp}::mCurrencies

Function Documentation

formatUnit()

static std::string formatUnit ( const int  value, const UnitDescription &  ud  )

static

Definition at line 247 of file unitsdb.cpp.

{
 UnitLevel ul;
 
 // Shortcut for 0; do the same for values less than 0 (for now)
 if (value <= 0)
 {
 ul = ud.levels[0];
 return strprintf("0%s", ul.symbol.c_str());
 }
 
 double amount = ud.conversion * value;
 const unsigned int sz = CAST_U32(ud.levels.size());
 
 // If only the first level is needed, act like mix if false
 if (ud.mix && !ud.levels.empty() && ud.levels[1].count < amount)
 {
 std::string output;
 UnitLevel pl = ud.levels[0];
 ul = ud.levels[1];
 int levelAmount = CAST_S32(amount);
 int nextAmount = 0;
 
 if (ul.count != 0)
 levelAmount /= ul.count;
 
 amount -= static_cast<double>(levelAmount * ul.count);
 
 if (amount > 0)
 {
 output = splitNumber(strprintf("%.*f", pl.round,
 amount), pl.separator).append(pl.symbol);
 }
 
 for (unsigned int i = 2; i < sz; i++)
 {
 pl = ul;
 ul = ud.levels[i];
 
 if (ul.count != 0)
 {
 nextAmount = levelAmount / ul.count;
 levelAmount %= ul.count;
 }
 
 if (levelAmount > 0)
 {
 output = splitNumber(strprintf("%d", levelAmount),
 pl.separator).append(pl.symbol).append(output);
 }
 
 if (nextAmount == 0)
 break;
 levelAmount = nextAmount;
 }
 
 return output;
 }
 
 ul.round = 0;
 for (unsigned int i = 0; i < sz; i++)
 {
 ul = ud.levels[i];
 if (amount < ul.count && ul.count > 0)
 {
 ul = ud.levels[i - 1];
 break;
 }
 if (ul.count != 0)
 amount /= ul.count;
 }
 
 return splitNumber(strprintf("%.*f", ul.round, amount),
 ul.separator).append(ul.symbol);
}

References CAST_S32, CAST_U32, splitNumber(), and strprintf().

Referenced by UnitsDb::formatCurrency(), UnitsDb::formatCurrency64(), and UnitsDb::formatWeight().

loadCurrencies()

static void loadCurrencies ( xmlNodePtr  parentNode )

static

Definition at line 181 of file unitsdb.cpp.

{
 for_each_xml_child_node(node, parentNode)
 {
 if (xmlNameEqual(node, "unit"))
 {
 const std::string name = XML::getProperty(node, "name", "");
 if (name.empty())
 {
 reportAlways("Error: unknown currency name.")
 continue;
 }
 mCurrencies[name] = loadUnit(node);
 if (name == DEFAULT_CURRENCY)
 defaultCurrency = mCurrencies[name];
 }
 }
}

References DEFAULT_CURRENCY, anonymous_namespace{unitsdb.cpp}::defaultCurrency, for_each_xml_child_node, XML::getProperty(), loadUnit(), anonymous_namespace{unitsdb.cpp}::mCurrencies, and reportAlways.

Referenced by UnitsDb::loadXmlFile().

loadUnit()

static UnitDescription loadUnit ( xmlNodePtr  node )

static

Definition at line 126 of file unitsdb.cpp.

{
 UnitDescription ud;
 int level = 1;
 ud.conversion = XML::getProperty(node, "conversion", 1);
 ud.mix = XML::getProperty(node, "mix", "no") == "yes";
 
 UnitLevel bu;
 bu.symbol = XML::getProperty(node, "base", "¤");
 bu.count = 1;
 bu.round = XML::getProperty(node, "round", 2);
 bu.separator = XML::getProperty(node, "separator", " ");
 
 ud.levels.push_back(bu);
 
 for_each_xml_child_node(uLevel, node)
 {
 if (xmlNameEqual(uLevel, "level"))
 {
 const UnitLevel ul =
 {
 XML::getProperty(uLevel, "symbol",
 strprintf("¤%d", level)),
 XML::getProperty(uLevel, "count", -1),
 XML::getProperty(uLevel, "round", bu.round),
 XML::getProperty(uLevel, "separator", bu.separator)
 };
 
 if (ul.count > 0)
 {
 ud.levels.push_back(ul);
 level++;
 }
 else
 {
 logger->log("Error bad unit count: %d for %s in %s",
 ul.count,
 ul.symbol.c_str(),
 bu.symbol.c_str());
 }
 }
 }
 
 // Add one more level for saftey
 const UnitLevel lev =
 {
 "",
 INT_MAX,
 0,
 ""
 };
 ud.levels.push_back(lev);
 return ud;
}

References for_each_xml_child_node, XML::getProperty(), Logger::log(), logger, and strprintf().

Referenced by loadCurrencies(), and UnitsDb::loadXmlFile().

splitNumber()

static std::string splitNumber ( std::string  str, const std::string &  separator  )

static

Definition at line 362 of file unitsdb.cpp.

{
 std::string lastPart;
 const size_t point = str.find('.');
 if (point != std::string::npos)
 {
 lastPart = str.substr(point);
 str = str.substr(0, point);
 }
 std::string result;
 
 if (!str.empty())
 {
 size_t sz = str.size();
 while (sz >= 3)
 {
 if (sz >= 6)
 {
 result = std::string(separator).append(str.substr(
 sz - 3)).append(result);
 }
 else
 {
 result = str.substr(sz - 3).append(result);
 }
 str = str.substr(0, str.size() - 3);
 sz = str.size();
 }
 if (!str.empty())
 {
 if (!result.empty())
 result = std::string(str).append(separator).append(result);
 else
 result = STD_MOVE(str);
 }
 }
 
 return result + lastPart;
}

References STD_MOVE.

Referenced by formatUnit().