winamp/Src/Wasabi/bfc/string/stringdict.h

97 lines
1.9 KiB
C++

#ifndef __STRINGDICT_H
#define __STRINGDICT_H
#include <bfc/string/StringW.h>
#include <bfc/ptrlist.h>
// a convenient class to statically declare strings and their IDs with binary search lookups
//
// example of use :
//
// BEGIN_STRINGDICTIONARY(_identifier)
// SDI("somestring", 0);
// SDI("someotherstring", 1);
// SDI("andyetanotherstring", 2);
// END_STRINGDICTIONARY(_identifier, identifier)
// foo (const char *str) {
// int a = identifier.getId(str);
// if (a < 0) {
// // not found!
// }
// return a;
// }
class StringDictionaryItem
{
public:
StringDictionaryItem(const wchar_t *string, int stringid) : str(string), id(stringid) {}
virtual ~StringDictionaryItem() {}
const wchar_t *getString()
{
return str;
}
int getId()
{
return id;
}
private:
StringW str;
int id;
};
class StringDictionaryItemCompare
{
public:
static int compareItem(void *p1, void *p2)
{
return WCSICMP(((StringDictionaryItem *)p1)->getString(), ((StringDictionaryItem *)p2)->getString());
}
static int compareAttrib(const wchar_t *attrib, void *item)
{
return WCSICMP(attrib, ((StringDictionaryItem *)item)->getString());
}
};
class StringDictionary
{
public:
StringDictionary() {}
virtual ~StringDictionary()
{
items.deleteAll();
}
virtual void addItem(const wchar_t *str, int id)
{
ASSERT(id != -1);
items.addItem(new StringDictionaryItem(str, id));
}
virtual int getId(const wchar_t *str)
{
StringDictionaryItem *i = items.findItem(str);
if (i == NULL)
return -1;
return i->getId();
}
private:
PtrListQuickSorted<StringDictionaryItem, StringDictionaryItemCompare> items;
};
#define BEGIN_STRINGDICTIONARY(class_ident) \
class class_ident : public StringDictionary { \
public: \
class_ident() {
#define SDI(str, id) \
addItem(str, id);
#define END_STRINGDICTIONARY(class_ident, instance_ident) \
}; \
virtual ~class_ident() { } \
}; \
\
class_ident instance_ident;
#endif