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ufobject.cc
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ufobject.cc
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/*
* UFRaw - Unidentified Flying Raw converter for digital camera images
*
* ufobject.cc - UFObject C++ implementation and C interface.
* Copyright 2004-2016 by Udi Fuchs
*
* 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.
*/
#include "ufobject.h"
#define G_LOG_DOMAIN "UFObject"
#include <glib.h>
#include <glib/gi18n.h>
#include <string.h> // for strcmp
#include <stdio.h> // for sscanf
#include <math.h> // for pow, log, floor
#include <algorithm> // for std::max
#include <map> // for std::map
#include <stdexcept> // for std::logic_error
#include <typeinfo> // for std::bad_cast
#include <limits> // for std::numeric_limits<double>::quiet_NaN()
/***************************\
* UFObject implementation *
\***************************/
class _UFObject
{
public:
const UFName Name;
void *UserData;
char *String;
class _UFGroup *Parent;
UFEventHandle *EventHandle;
explicit _UFObject(UFName name) : Name(name), UserData(NULL), String(NULL),
Parent(NULL), EventHandle(NULL) { }
virtual ~_UFObject() {
g_free(String);
if (Parent != NULL)
g_warning("%s: Destroyed while having a parent.", Name);
}
virtual bool Changing() const;
virtual void SetChanging(bool state);
void CallValueChangedEvent(UFObject *that) {
bool saveChanging = Changing();
if (!Changing()) {
SetChanging(true);
that->OriginalValueChangedEvent();
}
that->Event(uf_value_changed);
SetChanging(saveChanging);
}
};
UFObject::UFObject(_UFObject *object) : ufobject(object) { }
UFObject::~UFObject()
{
Event(uf_destroyed);
delete ufobject;
}
UFName UFObject::Name() const
{
return ufobject->Name;
}
void UFObject::SetUserData(void *userData)
{
ufobject->UserData = userData;
Event(uf_user_data_set);
}
void *UFObject::UserData()
{
return ufobject->UserData;
}
UFObject::operator class UFNumber&()
{
return dynamic_cast<UFNumber &>(*this);
}
UFObject::operator const class UFNumber&() const
{
return dynamic_cast<const UFNumber &>(*this);
}
UFObject::operator class UFNumberArray&()
{
return dynamic_cast<UFNumberArray &>(*this);
}
UFObject::operator const class UFNumberArray&() const
{
return dynamic_cast<const UFNumberArray &>(*this);
}
UFObject::operator class UFString&()
{
return dynamic_cast<UFString &>(*this);
}
UFObject::operator const class UFString&() const
{
return dynamic_cast<const UFString &>(*this);
}
UFObject::operator class UFGroup&()
{
return dynamic_cast<UFGroup &>(*this);
}
UFObject::operator const class UFGroup&() const
{
return dynamic_cast<const UFGroup &>(*this);
}
UFObject::operator class UFArray&()
{
return dynamic_cast<UFArray &>(*this);
}
UFObject::operator const class UFArray&() const
{
return dynamic_cast<const UFArray &>(*this);
}
bool UFObject::HasParent() const
{
return ufobject->Parent != NULL;
}
const char *UFObject::StringValue() const
{
return ufobject->String;
}
std::string UFObject::XML(const char *indent) const
{
if (IsDefault())
return "";
char *value = g_markup_escape_text(StringValue(), -1);
std::string str = (std::string)indent +
"<" + Name() + ">" + value + "</" + Name() + ">\n";
g_free(value);
return str;
}
void UFObject::Message(const char *format, ...) const
{
if (format == NULL)
return;
va_list ap;
va_start(ap, format);
char *message = g_strdup_vprintf(format, ap);
va_end(ap);
if (HasParent()) {
Parent().Message("%s: %s", Name(), message);
} else {
fprintf(stderr, "%s: %s\n", Name(), message);
}
g_free(message);
}
void UFObject::Throw(const char *format, ...) const
{
if (format == NULL)
return;
va_list ap;
va_start(ap, format);
char *message = g_strdup_vprintf(format, ap);
va_end(ap);
std::string mess(message);
g_free(message);
throw UFException(mess);
}
void UFObject::SetEventHandle(UFEventHandle *handle)
{
ufobject->EventHandle = handle;
}
void UFObject::Event(UFEventType type)
{
if (ufobject->EventHandle != NULL)
(*ufobject->EventHandle)(this, type);
if (type == uf_value_changed && HasParent())
Parent().Event(type);
}
void UFObject::OriginalValueChangedEvent() { }
/***************************\
* UFNumber implementation *
\***************************/
class _UFNumberCommon : public _UFObject
{
public:
double Minimum;
double Maximum;
const int AccuracyDigits;
const double Accuracy;
const double Step;
const double Jump;
_UFNumberCommon(UFName name, double minimum, double maximum,
int accuracyDigits, double step, double jump) :
_UFObject(name), Minimum(minimum), Maximum(maximum),
AccuracyDigits(std::max(accuracyDigits < 0 ?
3 - (int)floor(log(Maximum - Minimum) / log(10.0)) :
accuracyDigits, 0)),
Accuracy(pow(10.0, -AccuracyDigits)),
Step(step == 0.0 ? Accuracy * 10.0 : step),
Jump(jump == 0.0 ? Step * 10.0 : jump) { }
};
class _UFNumber : public _UFNumberCommon
{
public:
double Number;
double Default;
_UFNumber(UFName name, double defaultValue, double minimum, double maximum,
int accuracyDigits, double step, double jump) :
_UFNumberCommon(name, minimum, maximum, accuracyDigits, step, jump),
Number(defaultValue), Default(defaultValue) { }
};
#define ufnumber (static_cast<_UFNumber *>(ufobject))
UFNumber::UFNumber(UFName name, double minimum, double maximum,
double defaultValue, int accuracyDigits, double step, double jump) :
UFObject(new _UFNumber(name, defaultValue, minimum, maximum,
accuracyDigits, step, jump)) { }
const char *UFNumber::StringValue() const
{
g_free(ufnumber->String);
ufnumber->String = g_strdup_printf("%.*f", ufnumber->AccuracyDigits,
ufnumber->Number);
return ufnumber->String;
}
double UFNumber::DoubleValue() const
{
return ufnumber->Number;
}
void UFNumber::Set(const UFObject &object)
{
if (this == &object) // Avoid self-assignment
return;
// We are comparing the strings ADDRESSes not values.
if (Name() != object.Name())
Throw("Object name mismatch with '%s'", object.Name());
const UFNumber &number = object;
Set(number.DoubleValue());
}
void UFNumber::Set(const char *string)
{
double number;
int count = sscanf(string, "%lf", &number);
if (count != 1)
Throw("String '%s' is not a number", string);
Set(number);
}
void UFNumber::Set(double number)
{
if (number > Maximum()) {
Message(_("Value %.*f too large, truncated to %.*f."),
AccuracyDigits(), number, AccuracyDigits(), Maximum());
number = Maximum();
} else if (number < Minimum()) {
Message(_("Value %.*f too small, truncated to %.*f."),
AccuracyDigits(), number, AccuracyDigits(), Minimum());
number = Minimum();
}
if (!this->IsEqual(number)) {
ufnumber->Number = number;
ufnumber->CallValueChangedEvent(this);
}
// When numbers are equal up to Accuracy, we still want the new value
ufnumber->Number = number;
}
bool UFNumber::IsDefault() const
{
return this->IsEqual(ufnumber->Default);
}
void UFNumber::SetDefault()
{
ufnumber->Default = ufnumber->Number;
Event(uf_default_changed);
}
void UFNumber::Reset()
{
Set(ufnumber->Default);
}
bool UFNumber::IsEqual(double number) const
{
int oldValue = floor(ufnumber->Number / ufnumber->Accuracy + 0.5);
int newValue = floor(number / ufnumber->Accuracy + 0.5);
return oldValue == newValue;
}
double UFNumber::Minimum() const
{
return ufnumber->Minimum;
}
double UFNumber::Maximum() const
{
return ufnumber->Maximum;
}
int UFNumber::AccuracyDigits() const
{
return ufnumber->AccuracyDigits;
}
double UFNumber::Step() const
{
return ufnumber->Step;
}
double UFNumber::Jump() const
{
return ufnumber->Jump;
}
/********************************\
* UFNumberArray implementation *
\********************************/
class _UFNumberArray : public _UFNumberCommon
{
public:
const int Size;
double *const Array;
double *const Default;
_UFNumberArray(UFName name, int size,
double minimum, double maximum, double defaultValue,
int accuracyDigits, double step, double jump) :
_UFNumberCommon(name, minimum, maximum, accuracyDigits, step, jump),
Size(size), Array(new double[size]), Default(new double[size]) {
for (int i = 0; i < size; i++)
Array[i] = defaultValue;
for (int i = 0; i < size; i++)
Default[i] = defaultValue;
}
~_UFNumberArray() {
delete [] Array;
delete [] Default;
}
bool SilentChange(UFNumberArray *that, int index, double number) {
if (index < 0 || index >= Size)
that->Throw("index (%d) out of range 0..%d", index, Size - 1);
if (number > Maximum) {
that->Message(_("Value %.*f too large, truncated to %.*f."),
AccuracyDigits, number, AccuracyDigits, Maximum);
number = Maximum;
} else if (number < Minimum) {
that->Message(_("Value %.*f too small, truncated to %.*f."),
AccuracyDigits, number, AccuracyDigits, Minimum);
number = Minimum;
}
if (!that->IsEqual(index, number)) {
Array[index] = number;
return true;
}
// When numbers are equal up to Accuracy, we still want the new value
Array[index] = number;
return false;
}
};
#define ufnumberarray (static_cast<_UFNumberArray *>(ufobject))
#define _uf_max_string 80
UFNumberArray::UFNumberArray(UFName name, int size, double minimum,
double maximum, double defaultValue,
int accuracyDigits, double step, double jump) :
UFObject(new _UFNumberArray(name, size, minimum, maximum, defaultValue,
accuracyDigits, step, jump)) { }
const char *UFNumberArray::StringValue() const
{
g_free(ufnumberarray->String);
std::string str = "";
char num[_uf_max_string];
for (int i = 0; i < Size(); i++) {
g_snprintf(num, _uf_max_string, "%.*f",
ufnumberarray->AccuracyDigits, ufnumberarray->Array[i]);
str += num;
if (i < Size() - 1)
str += " ";
}
ufnumberarray->String = g_strdup(str.c_str());
return ufnumberarray->String;
}
double UFNumberArray::DoubleValue(int index) const
{
if (index < 0 || index >= Size())
Throw("index (%d) out of range 0..%d", index, Size() - 1);
return ufnumberarray->Array[index];
}
void UFNumberArray::Set(const UFObject &object)
{
if (this == &object) // Avoid self-assignment
return;
// We are comparing the strings ADDRESSes not values.
if (Name() != object.Name())
Throw("Object name mismatch with '%s'", object.Name());
const UFNumberArray &array = object;
if (Size() != array.Size())
Throw("Object size mismatch %d != %d", Size(), array.Size());
bool changed = false;
for (int i = 0; i < Size(); i++)
changed |= ufnumberarray->SilentChange(this, i, array.DoubleValue(i));
if (changed)
ufnumberarray->CallValueChangedEvent(this);
}
void UFNumberArray::Set(const char *string)
{
char **token = g_strsplit(string, " ", Size());
for (int i = 0; i < Size(); i++) {
if (token[i] == NULL) {
Set(i, ufnumberarray->Default[i]);
} else {
double number;
int count = sscanf(token[i], "%lf", &number);
if (count != 1)
Throw("String '%s' is not a number", string);
Set(i, number);
}
}
g_strfreev(token);
}
void UFNumberArray::Set(int index, double number)
{
bool changed = ufnumberarray->SilentChange(this, index, number);
if (changed)
ufnumberarray->CallValueChangedEvent(this);
}
void UFNumberArray::Set(const double array[])
{
bool changed = false;
for (int i = 0; i < Size(); i++)
changed |= ufnumberarray->SilentChange(this, i, array[i]);
if (changed)
ufnumberarray->CallValueChangedEvent(this);
}
bool UFNumberArray::IsDefault() const
{
for (int i = 0; i < Size(); i++)
if (!IsEqual(i, ufnumberarray->Default[i]))
return false;
return true;
}
void UFNumberArray::SetDefault()
{
for (int i = 0; i < Size(); i++)
ufnumberarray->Default[i] = ufnumberarray->Array[i];
Event(uf_default_changed);
}
void UFNumberArray::Reset()
{
bool changed = false;
for (int i = 0; i < Size(); i++)
changed |= ufnumberarray->SilentChange(this, i, ufnumberarray->Default[i]);
if (changed)
ufnumberarray->CallValueChangedEvent(this);
}
bool UFNumberArray::IsEqual(int index, double number) const
{
if (index < 0 || index >= Size())
Throw("index (%d) out of range 0..%d", index, Size() - 1);
int newValue = floor(number / ufnumberarray->Accuracy + 0.5);
int oldValue = floor(ufnumberarray->Array[index] / ufnumberarray->Accuracy + 0.5);
return oldValue == newValue;
}
int UFNumberArray::Size() const
{
return ufnumberarray->Size;
}
double UFNumberArray::Minimum() const
{
return ufnumberarray->Minimum;
}
double UFNumberArray::Maximum() const
{
return ufnumberarray->Maximum;
}
int UFNumberArray::AccuracyDigits() const
{
return ufnumberarray->AccuracyDigits;
}
double UFNumberArray::Step() const
{
return ufnumberarray->Step;
}
double UFNumberArray::Jump() const
{
return ufnumberarray->Jump;
}
/***************************\
* UFString implementation *
\***************************/
class _UFString : public _UFObject
{
public:
char *Default;
_UFString(UFName name) : _UFObject(name) { }
~_UFString() {
g_free(Default);
}
};
#define ufstring (static_cast<_UFString *>(ufobject))
UFString::UFString(UFName name, const char *defaultValue) :
UFObject(new _UFString(name))
{
ufstring->Default = g_strdup(defaultValue);
ufstring->String = g_strdup(defaultValue);
}
void UFString::Set(const UFObject &object)
{
if (this == &object) // Avoid self-assignment
return;
// We are comparing the strings ADDRESSes not values.
if (Name() != object.Name())
Throw("Object name mismatch with '%s'", object.Name());
Set(object.StringValue());
}
void UFString::Set(const char *string)
{
if (this->IsEqual(string))
return;
g_free(ufstring->String);
ufstring->String = g_strdup(string);
ufstring->CallValueChangedEvent(this);
}
bool UFString::IsDefault() const
{
return this->IsEqual(ufstring->Default);
}
void UFString::SetDefault(const char *string)
{
g_free(ufstring->Default);
ufstring->Default = g_strdup(string);
Event(uf_default_changed);
}
void UFString::SetDefault()
{
SetDefault(ufstring->String);
}
void UFString::Reset()
{
Set(ufstring->Default);
}
bool UFString::IsEqual(const char *string) const
{
// If the pointers are equal, the strings are equal
if (ufstring->String == string)
return true;
if (ufstring->String == NULL)
return false;
return strcmp(ufstring->String, string) == 0;
}
/**************************\
* UFGroup implementation *
\**************************/
class _UFNameCompare
{
public:
bool operator()(char const *a, char const *b) const {
return strcmp(a, b) < 0;
}
};
typedef std::map<const char *, UFObject *, _UFNameCompare> _UFGroupMap;
typedef std::pair<const char *, UFObject *> _UFObjectPair;
class _UFGroup : public _UFObject
{
public:
_UFGroupMap Map;
UFGroupList List;
UFGroup *const This;
bool GroupChanging;
// Index and Default Index are only used by UFArray
int Index;
char *DefaultIndex;
_UFGroup(UFGroup *that, UFName name, const char *label) :
_UFObject(name), This(that), GroupChanging(false),
Index(-1), DefaultIndex(NULL) {
String = g_strdup(label);
}
bool Changing() const {
if (Parent != NULL)
return Parent->Changing();
return GroupChanging;
}
void SetChanging(bool state) {
if (Parent != NULL)
Parent->SetChanging(state);
else
GroupChanging = state;
}
};
// The following UFObject methods can only be implemented after _UFGroup
// is declared, since Parent is a _UFGroup object.
bool _UFObject::Changing() const
{
if (Parent != NULL)
return Parent->Changing();
return false;
}
void _UFObject::SetChanging(bool state)
{
if (Parent != NULL)
Parent->SetChanging(state);
}
UFGroup &UFObject::Parent() const
{
if (ufobject->Parent == NULL)
Throw("UFObject has not parent");
return *static_cast<_UFGroup*>(ufobject->Parent)->This;
}
#define ufgroup (static_cast<_UFGroup *>(ufobject))
// object is a <UFObject *> and generally not a <UFGroup *>.
// The cast to <UFGroup *> is needed for accessing ufobject.
#define _UFGROUP_PARENT(object) static_cast<UFGroup*>(object)->ufobject->Parent
UFGroup::UFGroup(UFName name, const char *label) :
UFObject(new _UFGroup(this, name, label)) { }
UFGroup::~UFGroup()
{
for (UFGroupList::iterator iter = ufgroup->List.begin();
iter != ufgroup->List.end(); iter++) {
_UFGROUP_PARENT(*iter) = NULL;
delete *iter;
}
g_free(ufgroup->DefaultIndex);
}
static std::string _UFGroup_XML(const UFGroup &group, UFGroupList &list,
const char *indent, const char *attribute)
{
if (group.IsDefault())
return "";
if (strcmp(attribute, "Index") == 0 && // If object is a UFArray and
group.UFGroup::IsDefault()) { // all the array elements are default
// Just print the value in a simple format.
char *value = g_markup_escape_text(group.StringValue(), -1);
std::string xml = (std::string)indent + "<" + group.Name() + ">" +
value + "</" + group.Name() + ">\n";
return xml;
}
std::string xml = "";
// For now, we don't want to surround the root XML with <[/]Image> tags.
if (strlen(indent) != 0) {
char *value = g_markup_escape_text(group.StringValue(), -1);
if (value[0] == '\0') {
xml += (std::string)indent + "<" + group.Name() + ">\n";
} else {
xml += (std::string)indent + "<" + group.Name() + " " +
attribute + "='" + value + "'>\n";
}
g_free(value);
}
char *newIndent = static_cast<char *>(g_alloca(strlen(indent) + 3));
int i = 0;
while (indent[i] != 0) {
newIndent[i] = indent[i];
i++;
}
newIndent[i + 0] = ' ';
newIndent[i + 1] = ' ';
newIndent[i + 2] = '\0';
for (UFGroupList::iterator iter = list.begin(); iter != list.end(); iter++)
xml += (*iter)->XML(newIndent);
if (strlen(indent) != 0)
xml += (std::string)indent + "</" + group.Name() + ">\n";
return xml;
}
std::string UFGroup::XML(const char *indent) const
{
return _UFGroup_XML(*this, ufgroup->List, indent, "Label");
}
void UFGroup::Set(const UFObject &object)
{
if (this == &object) // Avoid self-assignment
return;
// We are comparing the strings ADDRESSes not values.
if (Name() != object.Name())
Throw("Object name mismatch with '%s'", object.Name());
const UFGroup &group = object;
for (UFGroupList::iterator iter = ufgroup->List.begin();
iter != ufgroup->List.end(); iter++) {
if (group.Has((*iter)->Name()))
(*iter)->Set(group[(*iter)->Name()]);
}
}
void UFGroup::Set(const char * /*string*/)
{
Throw("UFGroup does not support string values");
}
bool UFGroup::IsDefault() const
{
for (UFGroupList::iterator iter = ufgroup->List.begin();
iter != ufgroup->List.end(); iter++) {
if (!(*iter)->IsDefault())
return false;
}
return true;
}
void UFGroup::SetDefault()
{
for (UFGroupList::iterator iter = ufgroup->List.begin();
iter != ufgroup->List.end(); iter++) {
(*iter)->SetDefault();
}
Event(uf_default_changed);
}
void UFGroup::Reset()
{
for (UFGroupList::iterator iter = ufgroup->List.begin();
iter != ufgroup->List.end(); iter++) {
(*iter)->Reset();
}
}
bool UFGroup::Has(UFName name) const
{
_UFGroupMap::iterator iter = ufgroup->Map.find(name);
return iter != ufgroup->Map.end();
}
UFObject &UFGroup::operator[](UFName name)
{
_UFGroupMap::iterator iter = ufgroup->Map.find(name);
if (iter == ufgroup->Map.end())
Throw("No object with name '%s'", name); // out-of-range
return *ufgroup->Map[name];
}
const UFObject &UFGroup::operator[](UFName name) const
{
_UFGroupMap::iterator iter = ufgroup->Map.find(name);
if (iter == ufgroup->Map.end()) {
Throw("No object with name '%s'", name); // out-of-range
}
return *ufgroup->Map[name];
}
const UFGroupList UFGroup::List() const
{
return ufgroup->List;
}
UFGroup &UFGroup::operator<<(UFObject *object)
{
_UFGroupMap::iterator iter = ufgroup->Map.find(object->Name());
if (iter != ufgroup->Map.end())
Throw("index '%s' already exists", object->Name());
ufgroup->Map.insert(_UFObjectPair(object->Name(), object));
ufgroup->List.push_back(object);
if (object->HasParent()) {
// Remove object from its original group
//_UFGroup *parent = static_cast<_UFGroup *>(object->ufobject->Parent);
_UFGroup *parent = static_cast<_UFGroup *>(object->Parent().ufobject);
parent->Map.erase(object->Name());
for (UFGroupList::iterator iter = parent->List.begin();
iter != parent->List.end(); iter++) {
if (*iter == object) {
parent->List.erase(iter);
break;
}
}
}
_UFGROUP_PARENT(object) = ufgroup;
Event(uf_element_added);
return *this;
}
UFObject &UFGroup::Drop(UFName name)
{
_UFGroupMap::iterator iter = ufgroup->Map.find(name);
if (iter == ufgroup->Map.end())
Throw("index '%s' does not exists", name);
UFObject *dropObject = (*iter).second;
ufgroup->Map.erase(name);
for (UFGroupList::iterator iter = ufgroup->List.begin();
iter != ufgroup->List.end(); iter++) {
if (*iter == dropObject) {
ufgroup->List.erase(iter);
break;
}
}
_UFGROUP_PARENT(dropObject) = NULL;
return *dropObject;
}
void UFGroup::Clear()
{
for (_UFGroupMap::iterator iter = ufgroup->Map.begin();
iter != ufgroup->Map.end(); iter++) {
_UFGROUP_PARENT(iter->second) = NULL;
delete iter->second;
}
ufgroup->Map.clear();
ufgroup->List.clear();
}
// object is a <UFObject *> and generally not a <UFArray *>.
// The cast to <UFArray *> is needed for accessing ufobject.
#define _UFARRAY_PARENT(object) static_cast<UFArray *>(object)->ufobject->Parent
UFArray::UFArray(UFName name, const char *defaultIndex) :
UFGroup(name, defaultIndex)
{
ufgroup->DefaultIndex = g_strdup(defaultIndex);
}
std::string UFArray::XML(const char *indent) const
{
return _UFGroup_XML(*this, ufgroup->List, indent, "Index");
}
void UFArray::Set(const UFObject &object)
{
if (this == &object) // Avoid self-assignment
return;
// We are comparing the strings ADDRESSes not values.
if (Name() != object.Name())
Throw("Object name mismatch with '%s'", object.Name());
const UFArray &array = object;
for (UFGroupList::iterator iter = ufgroup->List.begin();
iter != ufgroup->List.end(); iter++) {
if (array.Has((*iter)->StringValue()))
(*iter)->Set(array[(*iter)->StringValue()]);
}
Set(array.StringValue());
}
void UFArray::Set(const char *string)
{
if (this->IsEqual(string))
return;
g_free(ufgroup->String);
ufgroup->String = g_strdup(string);
ufgroup->Index = -1;
int i = 0;
for (UFGroupList::iterator iter = ufgroup->List.begin();
iter != ufgroup->List.end(); iter++, i++) {
if (IsEqual((*iter)->StringValue())) {
ufgroup->Index = i;
}
}
ufgroup->CallValueChangedEvent(this);
}
const char *UFArray::StringValue() const
{
return ufgroup->String;
}
bool UFArray::IsDefault() const
{
if (!IsEqual(ufgroup->DefaultIndex))
return false;
return UFGroup::IsDefault();
}
void UFArray::SetDefault(const char *string)
{
g_free(ufgroup->DefaultIndex);
ufgroup->DefaultIndex = g_strdup(string);
Event(uf_default_changed);
}
void UFArray::SetDefault()
{
g_free(ufgroup->DefaultIndex);
ufgroup->DefaultIndex = g_strdup(ufgroup->String);
Event(uf_default_changed);
}
void UFArray::Reset()
{
Set(ufgroup->DefaultIndex);
UFGroup::Reset();
}
bool UFArray::SetIndex(int index)
{
UFGroupList::iterator iter = ufgroup->List.begin();
std::advance(iter, index);
if (iter == ufgroup->List.end())
return false;
ufgroup->Index = index;
Set((*iter)->StringValue());
return true;
}
int UFArray::Index() const
{
return ufgroup->Index;
}
bool UFArray::IsEqual(const char *string) const
{
// If the pointers are equal, the strings are equal
if (ufgroup->String == string)
return true;
if (ufgroup->String == NULL || string == NULL)
return false;
return strcmp(ufstring->String, string) == 0;
}
UFArray &UFArray::operator<<(UFObject *object)
{
_UFGroupMap::iterator iter = ufgroup->Map.find(object->StringValue());
if (iter != ufgroup->Map.end())
Throw("index '%s' already exists", object->StringValue());
ufgroup->Map.insert(_UFObjectPair(object->StringValue(), object));
ufgroup->List.push_back(object);
if (IsEqual(object->StringValue()))
ufgroup->Index = ufgroup->List.size() - 1;
if (object->HasParent()) {
// Remove object from its original group.
_UFGroup *parent = static_cast<UFArray *>(object)->ufobject->Parent;
// We assume that the previous parent was also a UFArray.
parent->Map.erase(object->StringValue());
for (UFGroupList::iterator iter = parent->List.begin();
iter != parent->List.end(); iter++) {
if (*iter == object) {
parent->List.erase(iter);
break;
}
}
}
_UFARRAY_PARENT(object) = ufgroup;
Event(uf_element_added);
return *this;
}
UFException::UFException(std::string &Message) :
std::runtime_error(Message.c_str()) { }
/******************************\
* C interface implementation *
\******************************/