AAX_CString.h

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/*================================================================================================*/
/*
 *
 *  Copyright 2013-2015, 2017, 2021, 2023 Avid Technology, Inc.
 *  All rights reserved.
 *  
 *  CONFIDENTIAL: this document contains confidential information of Avid. Do
 *  not disclose to any third party. Use of the information contained in this
 *  document is subject to an Avid SDK license.
 *
 */
 
/*================================================================================================*/
 
#pragma once
 
#ifndef AAX_CSTRING_H
#define AAX_CSTRING_H
 
 
#include "AAX_IString.h"
#include "AAX.h"
 
#include <string>
#include <map>
 
 
#if 0
#pragma mark -
#endif
 
class AAX_CString : public AAX_IString
{
public:
    static const uint32_t   kInvalidIndex = static_cast<uint32_t>(-1);
    static const uint32_t   kMaxStringLength = static_cast<uint32_t>(-2);
 
    // AAX_IString Virtual Overrides
    uint32_t        Length() const AAX_OVERRIDE;
    uint32_t        MaxLength() const AAX_OVERRIDE;
    const char *    Get () const AAX_OVERRIDE;
    void            Set ( const char * iString ) AAX_OVERRIDE;
    AAX_IString &   operator=(const AAX_IString & iOther) AAX_OVERRIDE;
    AAX_IString &   operator=(const char * iString) AAX_OVERRIDE;
    
    AAX_CString();
    
    AAX_CString(const char* str);
    
    explicit AAX_CString(const std::string& str);
    
    AAX_CString(const AAX_CString& other);
 
    AAX_CString(const AAX_IString& other);
 
    AAX_DEFAULT_MOVE_CTOR(AAX_CString);
 
 
    std::string&        StdString();
    
    const std::string&  StdString() const;
 
    AAX_CString&    operator=(const AAX_CString& other);
    
    AAX_CString &   operator=(const std::string& other);
 
    AAX_CString &   operator=(AAX_CString&& other);
            
    friend std::ostream& operator<< (std::ostream& os, const AAX_CString& str);
 
    friend std::istream& operator>> (std::istream& os, AAX_CString& str);
 
    
    // String Formatting Functions
    void            Clear();
    bool            Empty() const;
    AAX_CString&    Erase(uint32_t pos, uint32_t n);
    AAX_CString&    Append(const AAX_CString& str);
    AAX_CString&    Append(const char* str);
    AAX_CString&    AppendNumber(double number, int32_t precision);
    AAX_CString&    AppendNumber(int32_t number);
    AAX_CString&    AppendHex(int32_t number, int32_t width);
    AAX_CString&    Insert(uint32_t pos, const AAX_CString& str);
    AAX_CString&    Insert(uint32_t pos, const char* str);
    AAX_CString&    InsertNumber(uint32_t pos, double number, int32_t precision);
    AAX_CString&    InsertNumber(uint32_t pos, int32_t number);
    AAX_CString&    InsertHex(uint32_t pos, int32_t number, int32_t width);
    AAX_CString&    Replace(uint32_t pos, uint32_t n, const AAX_CString& str);
    AAX_CString&    Replace(uint32_t pos, uint32_t n, const char* str);
    uint32_t        FindFirst(const AAX_CString& findStr) const;
    uint32_t        FindFirst(const char* findStr) const;
    uint32_t        FindFirst(char findChar) const;
    uint32_t        FindLast(const AAX_CString& findStr) const;
    uint32_t        FindLast(const char* findStr) const;
    uint32_t        FindLast(char findChar) const;  
    const char*     CString()   const;
    bool            ToDouble(double* oValue)    const;
    bool            ToInteger(int32_t* oValue)  const;
    void            SubString(uint32_t pos, uint32_t n, AAX_IString* outputStr) const;
    bool            Equals(const AAX_CString& other) const { return operator==(other); }
    bool            Equals(const char* other) const { return operator==(other); }
    bool            Equals(const std::string& other) const { return operator==(other); } //beware of STL variations between binaries.
    
    // Operator Overrides
    bool            operator==(const AAX_CString& other) const;
    bool            operator==(const char* otherStr) const;
    bool            operator==(const std::string& otherStr) const;      //beware of STL variations between binaries.
    bool            operator!=(const AAX_CString& other) const;
    bool            operator!=(const char* otherStr) const;
    bool            operator!=(const std::string& otherStr) const;      //beware of STL variations between binaries.
    bool            operator<(const AAX_CString& other) const;
    bool            operator>(const AAX_CString& other) const;
    const char&     operator[](uint32_t index) const;
    char&           operator[](uint32_t index);
    AAX_CString&    operator+=(const AAX_CString& str);
    AAX_CString&    operator+=(const std::string& str);
    AAX_CString&    operator+=(const char* str);
 
protected:
    std::string     mString;
};
 
// Non-member operators
inline AAX_CString operator+(AAX_CString lhs, const AAX_CString& rhs)
{
    lhs += rhs;
    return lhs;
}
inline AAX_CString operator+(AAX_CString lhs, const char* rhs)
{
    lhs += rhs;
    return lhs;
}
inline AAX_CString operator+(const char* lhs, const AAX_CString& rhs)
{
    return AAX_CString(lhs) + rhs;
}
 
 
#if 0
#pragma mark -
#endif
 
class AAX_CStringAbbreviations
{
public:
    explicit AAX_CStringAbbreviations(const AAX_CString& inPrimary)
    : mPrimary(inPrimary)
    , mAbbreviations()
    {
    }
    
    void SetPrimary(const AAX_CString& inPrimary) { mPrimary = inPrimary; }
    const AAX_CString& Primary() const { return mPrimary; }
    
    void Add(const AAX_CString& inAbbreviation)
    {
        uint32_t stringLength = inAbbreviation.Length();
        mAbbreviations[stringLength] = inAbbreviation;  //Does a string copy into the map.
    }
    
    const AAX_CString& Get(int32_t inNumCharacters) const
    {
        //More characters than the primary string or no specific shortened names.
        if ((inNumCharacters >= int32_t(mPrimary.Length())) || (mAbbreviations.empty()) || (0 > inNumCharacters))
            return mPrimary;
        
        std::map<uint32_t, AAX_CString>::const_iterator iter = mAbbreviations.upper_bound(static_cast<uint32_t>(inNumCharacters));
        
        //If the iterator is already pointing to shortest string, return that.
        if (iter == mAbbreviations.begin())
            return iter->second;
        
        //lower_bound() will return the iterator that is larger than the desired value, so decrement the iterator.
        --iter;
        return iter->second;
    }
    
    void Clear() { mAbbreviations.clear(); }
    
private:
    AAX_CString                                 mPrimary;
    std::map<uint32_t, AAX_CString>             mAbbreviations;
};
 
#endif //AAX_CSTRING_H