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Diffstat (limited to 'FoundationEx/include/Text.h')
| -rw-r--r-- | FoundationEx/include/Text.h | 211 |
1 files changed, 211 insertions, 0 deletions
diff --git a/FoundationEx/include/Text.h b/FoundationEx/include/Text.h new file mode 100644 index 0000000..4cf5cc4 --- /dev/null +++ b/FoundationEx/include/Text.h @@ -0,0 +1,211 @@ +/* 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 empty() const; + + 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); + Text concat(const char* tail) const; + static Text format(const char* fmt, ...); + +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 |