rubidium@9631: /* $Id$ */
rubidium@9631: 
rubidium@9631: /** @file str.hpp */
rubidium@9631: 
rubidium@9631: #ifndef  STR_HPP
rubidium@9631: #define  STR_HPP
rubidium@9631: 
rubidium@9631: #include <errno.h>
rubidium@9631: #include <stdarg.h>
rubidium@9631: #include "strapi.hpp"
rubidium@9631: 
rubidium@9631: /** Blob based string. */
rubidium@9631: template <typename Tchar, bool TcaseInsensitive>
rubidium@9631: struct CStrT : public CBlobT<Tchar>
rubidium@9631: {
rubidium@9631: 	typedef CBlobT<Tchar> base;                    ///< base class
rubidium@9631: 	typedef CStrApiT<Tchar, TcaseInsensitive> Api; ///< string API abstraction layer
rubidium@9631: 	typedef typename base::bsize_t bsize_t;        ///< size type inherited from blob
rubidium@9631: 	typedef typename base::OnTransfer OnTransfer;  ///< temporary 'transfer ownership' object type
rubidium@9631: 
rubidium@9631: 	/** Construction from C zero ended string. */
rubidium@9631: 	FORCEINLINE CStrT(const Tchar* str = NULL)
rubidium@9631: 	{
rubidium@9631: 		AppendStr(str);
rubidium@9631: 	}
rubidium@9631: 
rubidium@9631: 	/** Construction from C string and given number of characters. */
rubidium@9631: 	FORCEINLINE CStrT(const Tchar* str, bsize_t num_chars) : base(str, num_chars)
rubidium@9631: 	{
rubidium@9631: 		base::FixTail();
rubidium@9631: 	}
rubidium@9631: 
rubidium@9631: 	/** Construction from C string determined by 'begin' and 'end' pointers. */
rubidium@9631: 	FORCEINLINE CStrT(const Tchar* str, const Tchar* end)
rubidium@9631: 		: base(str, end - str)
rubidium@9631: 	{
rubidium@9631: 		base::FixTail();
rubidium@9631: 	}
rubidium@9631: 
rubidium@9631: 	/** Construction from blob contents. */
rubidium@9631: 	FORCEINLINE CStrT(const CBlobBaseSimple& src)
rubidium@9631: 		: base(src)
rubidium@9631: 	{
rubidium@9631: 		base::FixTail();
rubidium@9631: 	}
rubidium@9631: 
rubidium@9631: 	/** Copy constructor. */
rubidium@9631: 	FORCEINLINE CStrT(const CStrT& src)
rubidium@9631: 		: base(src)
rubidium@9631: 	{
rubidium@9631: 		base::FixTail();
rubidium@9631: 	}
rubidium@9631: 
rubidium@9631: 	/** Take over ownership constructor */
rubidium@9631: 	FORCEINLINE CStrT(const OnTransfer& ot)
rubidium@9631: 		: base(ot)
rubidium@9631: 	{
rubidium@9631: 	}
rubidium@9631: 
rubidium@9631: 	/** Grow the actual buffer and fix the trailing zero at the end. */
rubidium@9631: 	FORCEINLINE Tchar* GrowSizeNC(bsize_t count)
rubidium@9631: 	{
rubidium@9631: 		Tchar* ret = base::GrowSizeNC(count);
rubidium@9631: 		base::FixTail();
rubidium@9631: 		return ret;
rubidium@9631: 	}
rubidium@9631: 
rubidium@9631: 	/** Append zero-ended C string. */
rubidium@9631: 	FORCEINLINE void AppendStr(const Tchar* str)
rubidium@9631: 	{
rubidium@9631: 		if (str != NULL && str[0] != '\0') {
rubidium@9631: 			base::Append(str, (bsize_t)Api::StrLen(str));
rubidium@9631: 			base::FixTail();
rubidium@9631: 		}
rubidium@9631: 	}
rubidium@9631: 
rubidium@9631: 	/** Append another CStrT or blob. */
rubidium@9631: 	FORCEINLINE void Append(const CBlobBaseSimple& src)
rubidium@9631: 	{
rubidium@9631: 		if (src.RawSize() > 0) {
rubidium@9631: 			base::AppendRaw(src);
rubidium@9631: 			base::FixTail();
rubidium@9631: 		}
rubidium@9631: 	}
rubidium@9631: 
rubidium@9631: 	/** Assignment from C string. */
rubidium@9631: 	FORCEINLINE CStrT& operator = (const Tchar* src)
rubidium@9631: 	{
rubidium@9631: 		base::Clear();
rubidium@9631: 		AppendStr(src);
rubidium@9631: 		return *this;
rubidium@9631: 	}
rubidium@9631: 
rubidium@9631: 	/** Assignment from another CStrT or blob. */
rubidium@9631: 	FORCEINLINE CStrT& operator = (const CBlobBaseSimple& src)
rubidium@9631: 	{
rubidium@9631: 		base::Clear();
rubidium@9631: 		base::AppendRaw(src);
rubidium@9631: 		base::FixTail();
rubidium@9631: 		return *this;
rubidium@9631: 	}
rubidium@9631: 
rubidium@9631: 	/** Assignment from another CStrT or blob. */
rubidium@9631: 	FORCEINLINE CStrT& operator = (const CStrT& src)
rubidium@9631: 	{
rubidium@9631: 		base::Clear();
rubidium@9631: 		base::AppendRaw(src);
rubidium@9631: 		base::FixTail();
rubidium@9631: 		return *this;
rubidium@9631: 	}
rubidium@9631: 
rubidium@9631: 	/** Lower-than operator (to support stl collections) */
rubidium@9631: 	FORCEINLINE bool operator < (const CStrT &other) const
rubidium@9631: 	{
rubidium@9631: 		return (Api::StrCmp(base::Data(), other.Data()) < 0);
rubidium@9631: 	}
rubidium@9631: 
rubidium@9631: 	/** Add formated string (like vsprintf) at the end of existing contents. */
rubidium@9631: 	int AddFormatL(const Tchar *format, va_list args)
rubidium@9631: 	{
rubidium@9631: 		bsize_t addSize = Api::StrLen(format);
rubidium@9631: 		if (addSize < 16) addSize = 16;
rubidium@9631: 		addSize += addSize / 2;
rubidium@9631: 		int ret;
rubidium@9631: 		int err = 0;
rubidium@9631: 		for (;;) {
rubidium@9631: 			Tchar *buf = MakeFreeSpace(addSize);
rubidium@9631: 			ret = Api::SPrintFL(buf, base::GetReserve(), format, args);
rubidium@9631: 			if (ret >= base::GetReserve()) {
rubidium@9631: 				/* Greater return than given count means needed buffer size. */
rubidium@9631: 				addSize = ret + 1;
rubidium@9631: 				continue;
rubidium@9631: 			}
rubidium@9631: 			if (ret >= 0) {
rubidium@9631: 				/* success */
rubidium@9631: 				break;
rubidium@9631: 			}
rubidium@9631: 			err = errno;
rubidium@9631: 			if (err != ERANGE && err != ENOENT && err != 0) {
rubidium@9631: 				/* some strange failure */
rubidium@9631: 				break;
rubidium@9631: 			}
rubidium@9631: 			/* small buffer (M$ implementation) */
rubidium@9631: 			addSize *= 2;
rubidium@9631: 		}
rubidium@9631: 		if (ret > 0) {
rubidium@9631: 			GrowSizeNC(ret);
rubidium@9631: 		} else {
rubidium@9631: 			base::FixTail();
rubidium@9631: 		}
rubidium@9631: 		return ret;
rubidium@9631: 	}
rubidium@9631: 
rubidium@9631: 	/** Add formated string (like sprintf) at the end of existing contents. */
rubidium@9631: 	int AddFormat(const Tchar *format, ...)
rubidium@9631: 	{
rubidium@9631: 		va_list args;
rubidium@9631: 		va_start(args, format);
rubidium@9631: 		int ret = AddFormatL(format, args);
rubidium@9631: 		va_end(args);
rubidium@9631: 		return ret;
rubidium@9631: 	}
rubidium@9631: 
rubidium@9631: 	/** Assign formated string (like vsprintf). */
rubidium@9631: 	int FormatL(const Tchar *format, va_list args)
rubidium@9631: 	{
rubidium@9631: 		base::Free();
rubidium@9631: 		int ret = AddFormatL(format, args);
rubidium@9631: 		return ret;
rubidium@9631: 	}
rubidium@9631: 
rubidium@9631: 	/** Assign formated string (like sprintf). */
rubidium@9631: 	int Format(const Tchar *format, ...)
rubidium@9631: 	{
rubidium@9631: 		base::Free();
rubidium@9631: 		va_list args;
rubidium@9631: 		va_start(args, format);
rubidium@9631: 		int ret = AddFormatL(format, args);
rubidium@9631: 		va_end(args);
rubidium@9631: 		return ret;
rubidium@9631: 	}
rubidium@9631: };
rubidium@9631: 
rubidium@9631: typedef CStrT<char   , false> CStrA;   ///< Case sensitive ANSI/UTF-8 string
rubidium@9631: typedef CStrT<char   , true > CStrCiA; ///< Case insensitive ANSI/UTF-8 string
rubidium@9631: typedef CStrT<wchar_t, false> CStrW;   ///< Case sensitive unicode string
rubidium@9631: typedef CStrT<wchar_t, true > CStrCiW; ///< Case insensitive unicode string
rubidium@9631: 
rubidium@9631: #endif /* STR_HPP */