Blender  V2.59
STR_String.h
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00001 /*
00002  * $Id: STR_String.h 35160 2011-02-25 11:51:19Z jesterking $
00003  * ***** BEGIN GPL LICENSE BLOCK *****
00004  *
00005  * This program is free software; you can redistribute it and/or
00006  * modify it under the terms of the GNU General Public License
00007  * as published by the Free Software Foundation; either version 2
00008  * of the License, or (at your option) any later version.
00009  *
00010  * This program is distributed in the hope that it will be useful,
00011  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00012  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00013  * GNU General Public License for more details.
00014  *
00015  * You should have received a copy of the GNU General Public License
00016  * along with this program; if not, write to the Free Software Foundation,
00017  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
00018  *
00019  * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
00020  * All rights reserved.
00021  *
00022  * The Original Code is: all of this file.
00023  *
00024  * Contributor(s): none yet.
00025  *
00026  * ***** END GPL LICENSE BLOCK *****
00027  */
00028 
00042 #ifndef _STR_String_H_
00043 #define _STR_String_H_
00044 
00045 #ifndef STR_NO_ASSERTD
00046 #undef  assertd
00047 #define assertd(exp)                    ((void)NULL)
00048 #endif
00049 
00050 #include <vector>
00051 #include <limits.h>
00052 
00053 #include <cstring>
00054 #include <cstdlib>
00055 
00056 using namespace std;
00057 
00058 #ifdef WITH_CXX_GUARDEDALLOC
00059 #include "MEM_guardedalloc.h"
00060 #endif
00061 
00062 #ifdef _WIN32
00063 #define stricmp _stricmp
00064 #endif
00065 
00066 class STR_String;
00067 
00068 typedef  unsigned long dword;
00069 typedef const STR_String& rcSTR_String;
00070 typedef unsigned char byte;
00071 
00076 class STR_String
00077 {
00078 public:
00079         // Initialization
00080         STR_String();
00081         STR_String(char c);
00082         STR_String(char c, int len);
00083         STR_String(const char *str);
00084         STR_String(const char *str, int len);
00085         STR_String(const STR_String &str);
00086         STR_String(const STR_String & str, int len);
00087         STR_String(const char *src1, int src1_len, const char *src2, int src2_len);
00088         explicit STR_String(int val);
00089         explicit STR_String(dword val);
00090         explicit STR_String(float val);
00091         explicit STR_String(double val);
00092         inline ~STR_String()                                                                                            { delete[] pData; }
00093 
00094         // Operations
00095         STR_String&                     Format(const char *fmt, ...);                           // Set formatted text to string
00096         STR_String&                     FormatAdd(const char *fmt, ...);                        // Add formatted text to string
00097         inline void                     Clear()                                                                         { Len = pData[0] = 0; }
00098         inline const STR_String & Reverse()                                                                     
00099         { 
00100             for (int i1=0, i2=Len-1; i1<i2; i1++, i2--) 
00101                 swap(pData[i1], pData[i2]); return *this; 
00102         }
00103 
00104         // Properties
00105         bool                            IsUpper() const;
00106         bool                            IsLower() const;
00107         inline bool                     IsEmpty() const                                                         { return Len==0; }
00108         inline int                      Length() const                                                          { return Len; }
00109 
00110         // Data access
00111         inline STR_String&      SetLength(int len)                                                      { AllocBuffer(len, true); Len=len; pData[len]=0; return *this; }
00112         inline char                     GetAt(int pos) const                                            { assertd(pos<Len); return pData[pos]; }
00113         inline void                     SetAt(int pos, char c)                                          { assertd(pos<Len); pData[pos]=c; }
00114         inline void                     SetAt(int pos, rcSTR_String str);
00115         inline void                     SetAt(int pos, int num, rcSTR_String str);
00116         void                            Replace(int pos, rcSTR_String str);
00117         void                            Replace(int pos, int num, rcSTR_String str);
00118 
00119         // Substrings
00120         inline STR_String       Left(int num) const                                                             { num = (num < Len ? num:Len ); return STR_String(pData, num); }
00121         inline STR_String       Right(int num) const                                                    { num = (num < Len ? num:Len ); return STR_String(pData+Len-num, num); }
00122         inline STR_String       Mid(int pos, int num = INT_MAX) const                   { pos = (pos < Len ? pos:Len ); num = (num < (Len - pos) ? num : (Len - pos)); return STR_String(pData+pos, num); }
00123 
00124         // Comparison
00125         int                             Compare(rcSTR_String rhs) const;
00126         int                             CompareNoCase(rcSTR_String rhs) const;
00127         inline bool             IsEqual(rcSTR_String rhs) const                                 { return (Compare(rhs)==0); }
00128         inline bool             IsEqualNoCase(rcSTR_String rhs) const                           { return (CompareNoCase(rhs)==0); }
00129 
00130         // Search/replace
00131         int                             Find(char c, int pos = 0) const;
00132         int                             Find(const char *str, int pos = 0) const;
00133         int                             Find(rcSTR_String str, int pos = 0) const;
00134         int                             RFind(char c) const;
00135         int                             FindOneOf(const char *set, int pos = 0) const;
00136         int                             RFindOneOf(const char *set, int pos = 0) const;
00137 
00138         vector<STR_String>      Explode(char c) const;
00139 
00140         // Formatting
00141         STR_String&                     Upper();
00142         STR_String&                     Lower();
00143         STR_String&                     Capitalize();
00144         STR_String&                     TrimLeft();
00145         STR_String&                     TrimLeft(char *set);
00146         STR_String&                     TrimRight();
00147         STR_String&                     TrimRight(char *set);
00148         STR_String&                     Trim();
00149         STR_String&                     Trim(char *set);
00150         STR_String&                     TrimQuotes();
00151 
00152         // Conversions
00153 //      inline operator char*()                                                                                         { return pData; }
00154         inline operator const char *() const                                                            { return pData; }
00155         inline char *Ptr()                                                                                                      { return pData; }
00156         inline const char *ReadPtr() const                                                                      { return pData; }
00157         inline float    ToFloat() const                                                                         { float x=(float)(atof(pData)); return x; }
00158         inline int              ToInt() const                                                                           { return atoi(pData); }
00159 
00160         // Operators
00161         inline rcSTR_String     operator=(const byte *rhs)                                              { return Copy((const char *)rhs, strlen((const char *)rhs)); }
00162         inline rcSTR_String     operator=(rcSTR_String rhs)                                             { return Copy(rhs.ReadPtr(), rhs.Length()); }
00163         inline rcSTR_String     operator=(char rhs)                                                             { return Copy(&rhs, 1); }
00164         inline rcSTR_String     operator=(const char *rhs)                                              { return Copy(rhs, strlen(rhs)); }
00165 
00166         inline rcSTR_String     operator+=(const char *rhs)                                             { return Concat(rhs, strlen(rhs)); }
00167         inline rcSTR_String     operator+=(rcSTR_String rhs)                                            { return Concat(rhs.ReadPtr(), rhs.Length()); }
00168         inline rcSTR_String     operator+=(char rhs)                                                    { return Concat(&rhs, 1); }
00169 
00170         
00171         inline friend bool operator<(rcSTR_String      lhs, rcSTR_String                rhs)    { return (strcmp(lhs, rhs)<0); }
00172         inline friend bool operator<(rcSTR_String      lhs, const char          *rhs)   { return (strcmp(lhs, rhs)<0); };
00173         inline friend bool operator<(const char         *lhs, rcSTR_String     rhs)     { return (strcmp(lhs, rhs)<0); }
00174         inline friend bool operator>(rcSTR_String      lhs, rcSTR_String                rhs)    { return (strcmp(lhs, rhs)>0); }
00175         inline friend bool operator>(rcSTR_String      lhs, const char          *rhs)   { return (strcmp(lhs, rhs)>0); }
00176         inline friend bool operator>(const char         *lhs, rcSTR_String     rhs)     { return (strcmp(lhs, rhs)>0); }
00177         inline friend bool operator<=(rcSTR_String     lhs, rcSTR_String                rhs)    { return (strcmp(lhs, rhs)<=0); }
00178         inline friend bool operator<=(rcSTR_String     lhs, const char          *rhs)   { return (strcmp(lhs, rhs)<=0); }
00179         inline friend bool operator<=(const char        *lhs, rcSTR_String     rhs)     { return (strcmp(lhs, rhs)<=0); }
00180         inline friend bool operator>=(rcSTR_String     lhs, rcSTR_String                rhs)    { return (strcmp(lhs, rhs)>=0); }
00181         inline friend bool operator>=(rcSTR_String     lhs, const char          *rhs)   { return (strcmp(lhs, rhs)>=0); }
00182         inline friend bool operator>=(const char        *lhs, rcSTR_String     rhs)     { return (strcmp(lhs, rhs)>=0); }
00183         inline friend bool operator==(rcSTR_String     lhs, rcSTR_String                rhs)    { return ((lhs.Length() == rhs.Length()) && (memcmp(lhs, rhs, lhs.Length())==0)); }
00184         inline friend bool operator==(rcSTR_String     lhs, const char          *rhs)   { return (memcmp(lhs, rhs, lhs.Length()+1)==0); }
00185         inline friend bool operator==(const char        *lhs, rcSTR_String     rhs)     { return (memcmp(lhs, rhs, rhs.Length()+1)==0); }
00186         inline friend bool operator!=(rcSTR_String     lhs, rcSTR_String                rhs)    { return ((lhs.Length() != rhs.Length()) || (memcmp(lhs, rhs, lhs.Length())!=0)); }
00187         inline friend bool operator!=(rcSTR_String     lhs, const char          *rhs)   { return (memcmp(lhs, rhs, lhs.Length()+1)!=0); }
00188         inline friend bool operator!=(const char        *lhs, rcSTR_String     rhs)     { return (memcmp(lhs, rhs, rhs.Length()+1)!=0); }
00189 
00190         // serializing
00191         //int                   Serialize(pCStream stream);
00192 
00193 protected:
00194         // Implementation
00195         void    AllocBuffer(int len, bool keep_contents);
00196         rcSTR_String Copy(const char *src, int len);
00197         rcSTR_String Concat(const char *data, int len);
00198 
00199         static bool             isLower(char c)                                                                 { return !isUpper(c); }
00200         static bool             isUpper(char c)                                                                 { return (c>='A') && (c <= 'Z'); }
00201         static bool             isSpace(char c)                                                                 { return (c==' ') || (c=='\t'); }
00202 
00203         char   *pData;                                                                                                  // -> STR_String data
00204         int        Len;                                                                                                         // Data length
00205         int        Max;                                                                                                         // Space in data buffer
00206 
00207 
00208 #ifdef WITH_CXX_GUARDEDALLOC
00209 public:
00210         void *operator new(size_t num_bytes) { return MEM_mallocN(num_bytes, "CXX:STR_String"); }
00211         void operator delete(void *mem) { MEM_freeN(mem); }
00212 #endif
00213 };
00214 
00215 inline  STR_String operator+(rcSTR_String    lhs, rcSTR_String   rhs)   { return STR_String(lhs.ReadPtr(), lhs.Length(), rhs.ReadPtr(), rhs.Length()); }
00216 inline  STR_String operator+(rcSTR_String    lhs, char        rhs)      { return STR_String(lhs.ReadPtr(), lhs.Length(), &rhs, 1); }
00217 inline  STR_String operator+(char         lhs, rcSTR_String   rhs)      { return STR_String(&lhs, 1, rhs.ReadPtr(), rhs.Length()); }
00218 inline  STR_String operator+(rcSTR_String    lhs, const char *rhs)      { return STR_String(lhs.ReadPtr(), lhs.Length(), rhs, strlen(rhs)); }
00219 inline  STR_String operator+(const char  *lhs, rcSTR_String   rhs)      { return STR_String(lhs, strlen(lhs), rhs.ReadPtr(), rhs.Length()); }
00220 
00221 
00222 #endif //_STR_String_H_
00223