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// Alphabet.h
//
/////////////////////////////////////////////////////////////////////////////
// Alphabet.h
//
/////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2001-2002 David Ward
//
/////////////////////////////////////////////////////////////////////////////
#ifndef __DASHER_ALPHABET_H__
#define __DASHER_ALPHABET_H__
#include "DasherTypes.h"
#include "MSVC_Unannoy.h"
#include <map>
#include <vector>
#include "AlphabetMap.h"
namespace Dasher {class CAlphabet;}
class Dasher::CAlphabet
{
public:
CAlphabet();
~CAlphabet() {}
int GetNumberSymbols() const { return m_Characters.size();} // return size of alphabet
Opts::ScreenOrientations GetOrientation() {return m_Orientation;}
Opts::AlphabetTypes GetType() {return m_DefaultEncoding;}
std::string& GetTrainingFile() {return m_TrainingFile;}
symbol GetSpaceSymbol() {return m_SpaceSymbol;}
const std::string& GetDisplayText(symbol i) const {return m_Display[i];} // return display string for i'th symbol
const std::string& GetText(symbol i) const {return m_Characters[i];} // return string for i'th symbol
const std::string& GetColour(symbol i) const {return m_Colours[i];} // return the colour for i'th symbol
int GetTextColour(symbol i); // return the foreground colour for i'th symbol
const std::string& GetForeground(symbol i) const {return m_Foreground[i];} // return the foreground colour for i'th symbol
int get_group(symbol i) const {return m_Group[i];} // return group membership of i'th symbol
// Fills Symbols with the symbols corresponding to Input. {{{ Note that this
// is not necessarily reversible by repeated use of GetText. Some text
// may not be recognised and so discarded. If IsMore is true then Input
// is truncated to any final characters that were not used due to ambiguous
// continuation. If IsMore is false Input is assumed to be all the available
// text and so a symbol will be returned for a final "a" even if "ae" is
// defined as its own symbol. }}}
void GetSymbols(std::vector<symbol>* Symbols, std::string* Input, bool IsMore);
void dump() const; // diagnostic
protected:
// Add the characters that can appear in Nodes
void AddChar(const std::string NewCharacter, const std::string Display, const std::string Colour, const std::string Foreground); // add single char to the alphabet
void StartNewGroup();
// Alphabet language parameters
void SetSpaceSymbol() {m_SpaceSymbol=m_Characters.size()-1;} // We can set the space symbol to be the last character added
void SetSpaceSymbol(symbol SpaceSymbol) {m_SpaceSymbol=SpaceSymbol;} // ...or any desired symbol.
void SetOrientation(Opts::ScreenOrientations Orientation) {m_Orientation=Orientation;}
void SetLanguage(Opts::AlphabetTypes Group) {m_DefaultEncoding=Group;}
void SetTrainingFile(std::string TrainingFile) {m_TrainingFile=TrainingFile;}
private:
Opts::AlphabetTypes m_DefaultEncoding;
Opts::ScreenOrientations m_Orientation;
symbol m_SpaceSymbol;
std::string m_TrainingFile;
std::vector<std::string> m_Characters; // stores the characters
std::vector<std::string> m_Display; // stores how the characters are visually represented in the Dasher nodes
std::vector<std::string> m_Colours; // stores the colour of the characters
std::vector<std::string> m_Foreground; // stores the colour of the character foreground
std::vector<int> m_Group; // stores the group indicators - e.g. caps, numbers, punctuation
int m_Groups; // number of groups
alphabet_map TextMap;
};
#endif // ifndef __DASHER_ALPHABET_H__
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