mirror of
https://github.com/ZDoom/gzdoom.git
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1dede60c5c
installed. If so, it checks your SteamApps directory for any IWADs you may have purchased through Steam and adds any it finds to the list of available IWADs you can play. This means that if you bought your id games through Steam, you can just extract ZDoom anywhere you like and run it without doing any additional setup. SVN r581 (trunk)
305 lines
9.7 KiB
C++
305 lines
9.7 KiB
C++
/*
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** zstring.h
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**
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**---------------------------------------------------------------------------
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** Copyright 2005-2007 Randy Heit
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** All rights reserved.
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**
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** Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions
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** are met:
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**
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** 1. Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** 2. Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in the
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** documentation and/or other materials provided with the distribution.
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** 3. The name of the author may not be used to endorse or promote products
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** derived from this software without specific prior written permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**---------------------------------------------------------------------------
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**
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*/
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#ifndef ZSTRING_H
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#define ZSTRING_H
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#include <stdio.h>
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#include <stdarg.h>
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#include <string.h>
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#include <stddef.h>
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#include "tarray.h"
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#include "name.h"
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#ifdef __GNUC__
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#define PRINTFISH(x) __attribute__((format(printf, 2, x)))
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#else
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#define PRINTFISH(x)
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#endif
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struct FStringData
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{
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unsigned int Len; // Length of string, excluding terminating null
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unsigned int AllocLen; // Amount of memory allocated for string
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int RefCount; // < 0 means it's locked
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// char StrData[xxx];
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char *Chars()
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{
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return (char *)(this + 1);
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}
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const char *Chars() const
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{
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return (const char *)(this + 1);
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}
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char *AddRef()
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{
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if (RefCount < 0)
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{
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return (char *)(MakeCopy() + 1);
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}
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else
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{
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RefCount++;
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return (char *)(this + 1);
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}
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}
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void Release()
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{
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assert (RefCount != 0);
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if (--RefCount <= 0)
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{
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Dealloc();
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}
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}
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FStringData *MakeCopy();
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static FStringData *Alloc (size_t strlen);
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FStringData *Realloc (size_t newstrlen);
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void Dealloc ();
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};
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struct FNullStringData
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{
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unsigned int Len;
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unsigned int AllocLen;
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int RefCount;
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char Nothing[2];
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};
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enum ELumpNum
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{
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};
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class FString
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{
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public:
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FString () : Chars(&NullString.Nothing[0]) { NullString.RefCount++; }
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// Copy constructors
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FString (const FString &other) { AttachToOther (other); }
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FString (const char *copyStr);
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FString (const char *copyStr, size_t copyLen);
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FString (char oneChar);
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// Concatenation constructors
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FString (const FString &head, const FString &tail);
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FString (const FString &head, const char *tail);
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FString (const FString &head, char tail);
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FString (const char *head, const FString &tail);
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FString (const char *head, const char *tail);
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FString (char head, const FString &tail);
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// Other constructors
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FString (ELumpNum); // Create from a lump
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~FString ();
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// Discard string's contents, create a new buffer, and lock it.
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char *LockNewBuffer(size_t len);
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char *LockBuffer(); // Obtain write access to the character buffer
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void UnlockBuffer(); // Allow shared access to the character buffer
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operator const char *() const { return Chars; }
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const char *GetChars() const { return Chars; }
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const char &operator[] (int index) const { return Chars[index]; }
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const char &operator[] (size_t index) const { return Chars[index]; }
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FString &operator = (const FString &other);
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FString &operator = (const char *copyStr);
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FString operator + (const FString &tail) const;
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FString operator + (const char *tail) const;
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FString operator + (char tail) const;
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friend FString operator + (const char *head, const FString &tail);
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friend FString operator + (char head, const FString &tail);
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FString &operator += (const FString &tail);
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FString &operator += (const char *tail);
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FString &operator += (char tail);
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FString &operator += (const FName &name) { return *this += name.GetChars(); }
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FString &AppendCStrPart (const char *tail, size_t tailLen);
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FString &operator << (const FString &tail) { return *this += tail; }
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FString &operator << (const char *tail) { return *this += tail; }
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FString &operator << (char tail) { return *this += tail; }
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FString &operator << (const FName &name) { return *this += name.GetChars(); }
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FString Left (size_t numChars) const;
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FString Right (size_t numChars) const;
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FString Mid (size_t pos, size_t numChars) const;
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long IndexOf (const FString &substr, long startIndex=0) const;
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long IndexOf (const char *substr, long startIndex=0) const;
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long IndexOf (char subchar, long startIndex=0) const;
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long IndexOfAny (const FString &charset, long startIndex=0) const;
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long IndexOfAny (const char *charset, long startIndex=0) const;
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long LastIndexOf (const FString &substr) const;
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long LastIndexOf (const char *substr) const;
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long LastIndexOf (char subchar) const;
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long LastIndexOf (const FString &substr, long endIndex) const;
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long LastIndexOf (const char *substr, long endIndex) const;
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long LastIndexOf (char subchar, long endIndex) const;
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long LastIndexOf (const char *substr, long endIndex, size_t substrlen) const;
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long LastIndexOfAny (const FString &charset) const;
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long LastIndexOfAny (const char *charset) const;
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long LastIndexOfAny (const FString &charset, long endIndex) const;
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long LastIndexOfAny (const char *charset, long endIndex) const;
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void ToUpper ();
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void ToLower ();
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void SwapCase ();
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void StripLeft ();
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void StripLeft (const FString &charset);
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void StripLeft (const char *charset);
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void StripRight ();
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void StripRight (const FString &charset);
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void StripRight (const char *charset);
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void StripLeftRight ();
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void StripLeftRight (const FString &charset);
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void StripLeftRight (const char *charset);
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void Insert (size_t index, const FString &instr);
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void Insert (size_t index, const char *instr);
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void Insert (size_t index, const char *instr, size_t instrlen);
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void ReplaceChars (char oldchar, char newchar);
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void ReplaceChars (const char *oldcharset, char newchar);
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void StripChars (char killchar);
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void StripChars (const char *killchars);
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void MergeChars (char merger);
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void MergeChars (char merger, char newchar);
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void MergeChars (const char *charset, char newchar);
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void Substitute (const FString &oldstr, const FString &newstr);
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void Substitute (const char *oldstr, const FString &newstr);
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void Substitute (const FString &oldstr, const char *newstr);
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void Substitute (const char *oldstr, const char *newstr);
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void Substitute (const char *oldstr, const char *newstr, size_t oldstrlen, size_t newstrlen);
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void Format (const char *fmt, ...) PRINTFISH(3);
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void AppendFormat (const char *fmt, ...) PRINTFISH(3);
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void VFormat (const char *fmt, va_list arglist) PRINTFISH(0);
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void VAppendFormat (const char *fmt, va_list arglist) PRINTFISH(0);
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bool IsInt () const;
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bool IsFloat () const;
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long ToLong (int base=0) const;
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unsigned long ToULong (int base=0) const;
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double ToDouble () const;
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size_t Len() const { return Data()->Len; }
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bool IsEmpty() const { return Len() == 0; }
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bool IsNotEmpty() const { return Len() != 0; }
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void Truncate (long newlen);
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int Compare (const FString &other) const { return strcmp (Chars, other.Chars); }
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int Compare (const char *other) const { return strcmp (Chars, other); }
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int CompareNoCase (const FString &other) const { return stricmp (Chars, other.Chars); }
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int CompareNoCase (const char *other) const { return stricmp (Chars, other); }
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protected:
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const FStringData *Data() const { return (FStringData *)Chars - 1; }
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FStringData *Data() { return (FStringData *)Chars - 1; }
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void AttachToOther (const FString &other);
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void AllocBuffer (size_t len);
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void ReallocBuffer (size_t newlen);
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static int FormatHelper (void *data, const char *str, int len);
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static void StrCopy (char *to, const char *from, size_t len);
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static void StrCopy (char *to, const FString &from);
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char *Chars;
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static FNullStringData NullString;
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friend struct FStringData;
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};
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namespace StringFormat
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{
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enum
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{
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// Format specification flags
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F_MINUS = 1,
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F_PLUS = 2,
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F_ZERO = 4,
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F_BLANK = 8,
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F_HASH = 16,
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F_SIGNED = 32,
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F_NEGATIVE = 64,
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F_ZEROVALUE = 128,
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// Format specification size prefixes
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F_HALFHALF = 0x1000, // hh
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F_HALF = 0x2000, // h
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F_LONG = 0x3000, // l
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F_LONGLONG = 0x4000, // ll or I64
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F_BIGI = 0x5000 // I
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};
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typedef int (*OutputFunc)(void *data, const char *str, int len);
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int VWorker (OutputFunc output, void *outputData, const char *fmt, va_list arglist);
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int Worker (OutputFunc output, void *outputData, const char *fmt, ...);
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};
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#undef PRINTFISH
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// FName inline implementations that take FString parameters
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inline FName::FName(const FString &text) { Index = NameData.FindName (text, text.Len(), false); }
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inline FName::FName(const FString &text, bool noCreate) { Index = NameData.FindName (text, text.Len(), noCreate); }
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inline FName &FName::operator = (const FString &text) { Index = NameData.FindName (text, text.Len(), false); return *this; }
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inline FName &FNameNoInit::operator = (const FString &text) { Index = NameData.FindName (text, text.Len(), false); return *this; }
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#endif
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