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src-1.2/external/3rd/library/soePlatform/ChatAPI/utils/Unicode/UnicodeBlocks.h
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// ======================================================================
//
// UnicodeBlocks.h
// copyright (c) 2001 Sony Online Entertainment
//
// This contains Unicode 3.0 compliant Blocks.
//
// ======================================================================
#ifndef INCLUDED_PlatUnicodeBlocks_H
#define INCLUDED_PlatUnicodeBlocks_H
#if WIN32
// stl warning func not inlined
#pragma warning (disable:4710)
#pragma warning (disable:4786)
#endif
#include "Unicode.h"
#include <map>
#include <vector>
#include <set>
// ======================================================================
#ifdef EXTERNAL_DISTRO
namespace NAMESPACE
{
#endif
namespace Plat_Unicode
{
namespace Blocks
{
/**
* The enum values are precisely the beginning of the represented block range.
* These blocks are precisely the blocks defined by Unicode 3.0.
*/
enum Id
{
Basic_Latin = 0x0000,
Latin_1_Supplement = 0x0080,
Latin_Extended_A = 0x0100,
Latin_Extended_B = 0x0180,
IPA_Extensions = 0x0250,
Spacing_Modifier_Letters = 0x02B0,
Combining_Diacritical_Marks = 0x0300,
Greek = 0x0370,
Cyrillic = 0x0400,
Armenian = 0x0530,
Hebrew = 0x0590,
Arabic = 0x0600,
Syriac = 0x0700,
Thaana = 0x0780,
Devanagari = 0x0900,
Bengali = 0x0980,
Gurmukhi = 0x0A00,
Gujarati = 0x0A80,
Oriya = 0x0B00,
Tamil = 0x0B80,
Telugu = 0x0C00,
Kannada = 0x0C80,
Malayalam = 0x0D00,
Sinhala = 0x0D80,
Thai = 0x0E00,
Lao = 0x0E80,
Tibetan = 0x0F00,
Myanmar = 0x1000,
Georgian = 0x10A0,
Hangul_Jamo = 0x1100,
Ethiopic = 0x1200,
Cherokee = 0x13A0,
Unified_Canadian_Aboriginal_Syllabics = 0x1400,
Ogham = 0x1680,
Runic = 0x16A0,
Khmer = 0x1780,
Mongolian = 0x1800,
Latin_Extended_Additional = 0x1E00,
Greek_Extended = 0x1F00,
General_Punctuation = 0x2000,
Superscripts_and_Subscripts = 0x2070,
Currency_Symbols = 0x20A0,
Combining_Marks_for_Symbols = 0x20D0,
Letterlike_Symbols = 0x2100,
Number_Forms = 0x2150,
Arrows = 0x2190,
Mathematical_Operators = 0x2200,
Miscellaneous_Technical = 0x2300,
Control_Pictures = 0x2400,
Optical_Character_Recognition = 0x2440,
Enclosed_Alphanumerics = 0x2460,
Box_Drawing = 0x2500,
Block_Elements = 0x2580,
Geometric_Shapes = 0x25A0,
Miscellaneous_Symbols = 0x2600,
Dingbats = 0x2700,
Braille_Patterns = 0x2800,
CJK_Radicals_Supplement = 0x2E80,
Kangxi_Radicals = 0x2F00,
Ideographic_Description_Characters = 0x2FF0,
CJK_Symbols_and_Punctuation = 0x3000,
Hiragana = 0x3040,
Katakana = 0x30A0,
Bopomofo = 0x3100,
Hangul_Compatibility_Jamo = 0x3130,
Kanbun = 0x3190,
Bopomofo_Extended = 0x31A0,
Enclosed_CJK_Letters_and_Months = 0x3200,
CJK_Compatibility = 0x3300,
CJK_Unified_Ideographs_Extension_A = 0x3400,
CJK_Unified_Ideographs = 0x4E00,
Yi_Syllables = 0xA000,
Yi_Radicals = 0xA490,
Hangul_Syllables = 0xAC00,
High_Surrogates = 0xD800,
High_Private_Use_Surrogates = 0xDB80,
Low_Surrogates = 0xDC00,
Private_Use = 0xE000,
CJK_Compatibility_Ideographs = 0xF900,
Alphabetic_Presentation_Forms = 0xFB00,
Arabic_Presentation_Forms_A = 0xFB50,
Combining_Half_Marks = 0xFE20,
CJK_Compatibility_Forms = 0xFE30,
Small_Form_Variants = 0xFE50,
Arabic_Presentation_Forms_B = 0xFE70,
Specials_1 = 0xFEFF,
Halfwidth_and_Fullwidth_Forms = 0xFF00,
Specials_2 = 0xFFF0,
End_Block_Ids = 0xFFFE
};
//-----------------------------------------------------------------
/**
* A simple pair representing an inclusive range of values
*/
struct Range
{
unicode_char_t m_high;
unicode_char_t m_low;
};
//-----------------------------------------------------------------
/**
* A group of ranges that can be additive or subtractive (inclusive or non)
*/
struct RangeGroup
{
bool m_isInclusive;
typedef std::vector<Range> Ranges_t;
Ranges_t m_ranges;
};
//-----------------------------------------------------------------
/**
* RawData is a simple aggregate data struct used to construct the more complex Data objects
*/
struct RawData
{
Id m_id;
const char * m_name;
unicode_char_t m_start;
unicode_char_t m_end;
};
/**
* Data is the representation of a single Unicode block.
* Including the Id, name, gross start-end range, and a set of RangeGroups (usually subtractive)
*/
struct Data
{
Id m_id;
NarrowString m_name;
unicode_char_t m_start;
unicode_char_t m_end;
typedef std::vector <RangeGroup> RangeGroups_t;
RangeGroups_t m_rangeGroups;
explicit Data (const RawData & rhs);
Data ();
const std::set<unicode_char_t> & generateFilteredIdSet (std::set<unicode_char_t> & ) const;
bool addRangeGroup (bool inclusive, const NarrowString & str);
};
//-----------------------------------------------------------------
/**
* Singleton class.
*
* Mapping creates a method of mapping block Ids _or_ names to Block Data objects.
* @todo: Data objects are duplicate for each map, need to optimize.
*/
class Mapping
{
public:
explicit Mapping (const RawData dataArray[]);
static const Mapping & getDefaultMapping ();
static void explicitDestroy ();
typedef std::map <Id, Data> IdMap_t;
typedef std::map <NarrowString, Data> NameMap_t;
const Data & findBlock (Id id) const;
Data & findBlock (Id id);
const Data & findBlock (const NarrowString &) const;
const Data & findBlock (unicode_char_t code) const;
const IdMap_t & getIdMap () const;
bool addBlock (const Data & data);
static const RawData ms_defaultBlockData [];
private:
Mapping ();
Mapping (const Mapping & rhs);
Mapping & operator= (const Mapping & rhs);
static void initSingleton ();
static Mapping * ms_singleton;
IdMap_t m_idMap;
NameMap_t m_nameMap;
Data m_errorData;
};
//-----------------------------------------------------------------
/**
* Convert a RawData into a Data object
*/
inline Data::Data (const RawData & rhs) :
m_id (rhs.m_id),
m_name (rhs.m_name),
m_start (rhs.m_start),
m_end (rhs.m_end),
m_rangeGroups ()
{
}
//----------------------------------------------------------------------
/**
* Default constructor.
*/
inline Data::Data () :
m_id (End_Block_Ids),
m_name (),
m_start (0),
m_end (0),
m_rangeGroups ()
{
}
//-----------------------------------------------------------------
/**
* Static singleton accessor
*/
inline const Mapping & Mapping::getDefaultMapping ()
{
if (ms_singleton)
return *ms_singleton;
initSingleton ();
return *ms_singleton;
}
//-----------------------------------------------------------------
/**
* Add a block Data object to the mapping. If the block already exists
* in the mapping, the new data overwrites the old.
*/
inline bool Mapping::addBlock (const Data & data)
{
m_idMap [data.m_id] = data;
m_nameMap [data.m_name] = data;
return true;
}
//-----------------------------------------------------------------
/**
* Locate the block data by Id.
* @return a Data with End_Block_Ids Id if the block was not found
*/
inline const Data & Mapping::findBlock (Id id) const
{
const IdMap_t::const_iterator iter = m_idMap.find (id);
if (iter != m_idMap.end ())
return (*iter).second;
else
return m_errorData;
}
//-----------------------------------------------------------------
/**
* Locate the block data by Id.
* @return a Data with End_Block_Ids Id if the block was not found
*/
inline Data & Mapping::findBlock (Id id)
{
const IdMap_t::iterator iter = m_idMap.find (id);
if (iter != m_idMap.end ())
return (*iter).second;
else
return m_errorData;
}
//-----------------------------------------------------------------
/**
* Locate the block data by Name.
* @return a Data with End_Block_Ids Id if the block was not found
*/
inline const Data & Mapping::findBlock (const NarrowString & name) const
{
const NameMap_t::const_iterator iter = m_nameMap.find (name);
if (iter != m_nameMap.end ())
return (*iter).second;
else
return m_errorData;
}
//-----------------------------------------------------------------
/**
* Locate the block data by code point.
* @return a Data with End_Block_Ids Id if the block was not found. This only tests if the code point is in the gross range of the located block.
*/
inline const Data & Mapping::findBlock (unicode_char_t code) const
{
const IdMap_t::const_iterator iter = m_idMap.lower_bound (static_cast<Id>(code));
if (iter != m_idMap.end () && code <= (*iter).second.m_end)
return (*iter).second;
else
return m_errorData;
}
//-----------------------------------------------------------------
/**
* Gets the Id->Data map.
*/
inline const Mapping::IdMap_t & Mapping::getIdMap () const
{
return m_idMap;
}
//-----------------------------------------------------------------
/**
* Tests a character to see if belongs in an ideograph range
*/
inline bool isIdeograph (unicode_char_t code)
{
return ((code >= static_cast<unicode_char_t>(CJK_Unified_Ideographs_Extension_A) && code < static_cast<unicode_char_t>(Yi_Syllables)) ||
(code >= static_cast<unicode_char_t>(Hangul_Syllables) && code < static_cast<unicode_char_t>(CJK_Compatibility_Ideographs)));
}
} //-- namespace Blocks
}; // -- namespace Unicode
#ifdef EXTERNAL_DISTRO
};
#endif
// ======================================================================
#endif
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