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/* Starshatter: The Open Source Project
Copyright (c) 2021-2022, Starshatter: The Open Source Project Contributors
Copyright (c) 2011-2012, Starshatter OpenSource Distribution Contributors
Copyright (c) 1997-2006, Destroyer Studios LLC.
AUTHOR: John DiCamillo
OVERVIEW
========
Declaration of the Text class
*/
#ifndef Text_h
#define Text_h
#include <atomic>
#include <cstring>
#include <ostream>
#ifndef _WIN32
#include <strings.h>
#endif
// +-------------------------------------------------------------------+
class TextRep
{
friend class Text;
public:
TextRep();
~TextRep();
private:
TextRep(const char* s);
TextRep(const char* s, int len);
TextRep(char c, int len);
TextRep(const TextRep* rep);
void addref();
long deref();
void dohash();
char* data;
std::atomic<long> ref;
int length;
unsigned hash;
bool sensitive;
static TextRep nullrep;
};
// +-------------------------------------------------------------------+
class Text
{
public:
static const char* TYPENAME() { return "Text"; }
Text();
Text(char c);
Text(const char* s);
Text(const char* s, int len);
Text(char c, int len);
Text(const Text& s);
~Text();
friend std::ostream& operator<<(std::ostream& out, const Text& text);
// case sensitivity
bool isSensitive() const;
void setSensitive(bool s);
// comparison
int compare(const char* s) const;
int compare(const Text& s) const;
// assignment
Text& operator=(const char* s);
Text& operator=(const Text& s);
// catenation
Text& append(char c);
Text& append(const char* s);
Text& append(const Text& s);
Text operator+(char c);
Text operator+(const char* s);
Text operator+(const Text& s);
Text& operator+=(char c) { return append(c); }
Text& operator+=(const char* s) { return append(s); }
Text& operator+=(const Text& s) { return append(s); }
// indexing
char operator[](int index) const;
char operator()(int index) const;
char& operator[](int index);
char& operator()(int index);
Text operator()(int start, int len) const;
// access
int length() const { return rep->length; }
unsigned hash() const { return rep->hash; }
const char* data() const { return sym; }
operator const char* () const { return sym; }
bool contains(char c) const;
bool contains(const char* s) const;
bool containsAnyOf(const char* charSet) const;
int indexOf(char c) const;
int indexOf(const char* s) const;
// mutation
void toLower();
void toUpper();
// substring
Text substring(int start, int length);
Text trim();
Text replace(const char* pattern, const char* substitution);
private:
void clone();
const char* sym;
TextRep* rep;
};
// +-------------------------------------------------------------------+
inline int Text::compare(const char* s) const
{
if (rep->sensitive)
return strcmp(sym, s);
else
#ifdef _WIN32
return _stricmp(sym, s);
#else
return strcasecmp(sym, s);
#endif
}
inline int Text::compare(const Text& s) const
{
if (rep->sensitive && s.rep->sensitive)
return strcmp(sym, s.sym);
else
#ifdef _WIN32
return _stricmp(sym, s.sym);
#else
return strcasecmp(sym, s.sym);
#endif
}
// +-------------------------------------------------------------------+
inline std::ostream& operator<<(std::ostream& out, const Text& text) {
out << text.data(); return out; }
inline int operator==(const Text& l, const Text& r) {
return (l.length() == r.length()) && (l.compare(r) == 0); }
inline int operator!=(const Text& l, const Text& r) { return l.compare(r) != 0; }
inline int operator< (const Text& l, const Text& r) { return l.compare(r) < 0; }
inline int operator<=(const Text& l, const Text& r) { return l.compare(r) <= 0; }
inline int operator> (const Text& l, const Text& r) { return l.compare(r) > 0; }
inline int operator>=(const Text& l, const Text& r) { return l.compare(r) >= 0; }
inline int operator==(const char* l, const Text& r) { return r.compare(l) == 0; }
inline int operator!=(const char* l, const Text& r) { return r.compare(l) != 0; }
inline int operator< (const char* l, const Text& r) { return r.compare(l) < 0; }
inline int operator<=(const char* l, const Text& r) { return r.compare(l) <= 0; }
inline int operator> (const char* l, const Text& r) { return r.compare(l) > 0; }
inline int operator>=(const char* l, const Text& r) { return r.compare(l) >= 0; }
inline int operator==( char* l, const Text& r) { return r.compare(l) == 0; }
inline int operator!=( char* l, const Text& r) { return r.compare(l) != 0; }
inline int operator< ( char* l, const Text& r) { return r.compare(l) < 0; }
inline int operator<=( char* l, const Text& r) { return r.compare(l) <= 0; }
inline int operator> ( char* l, const Text& r) { return r.compare(l) > 0; }
inline int operator>=( char* l, const Text& r) { return r.compare(l) >= 0; }
inline int operator==(const Text& l, const char* r) { return l.compare(r) == 0; }
inline int operator!=(const Text& l, const char* r) { return l.compare(r) != 0; }
inline int operator< (const Text& l, const char* r) { return l.compare(r) < 0; }
inline int operator<=(const Text& l, const char* r) { return l.compare(r) <= 0; }
inline int operator> (const Text& l, const char* r) { return l.compare(r) > 0; }
inline int operator>=(const Text& l, const char* r) { return l.compare(r) >= 0; }
inline int operator==(const Text& l, char* r) { return l.compare(r) == 0; }
inline int operator!=(const Text& l, char* r) { return l.compare(r) != 0; }
inline int operator< (const Text& l, char* r) { return l.compare(r) < 0; }
inline int operator<=(const Text& l, char* r) { return l.compare(r) <= 0; }
inline int operator> (const Text& l, char* r) { return l.compare(r) > 0; }
inline int operator>=(const Text& l, char* r) { return l.compare(r) >= 0; }
inline Text operator+(const char* l, const Text& r) { return Text(l) + r; }
inline Text operator+( char* l, const Text& r) { return Text(l) + r; }
// +-------------------------------------------------------------------+
#endif // Text_h
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