Libs/Win32/Win32PrintHelp.cpp

   1 /*
   2 Cafu Engine, http://www.cafu.de/
   3 Copyright (c) Carsten Fuchs and other contributors.
   4 This project is licensed under the terms of the MIT license.
   5 */
   6
   7 /****************************************/
   8 /*** Print Help for Windows 32 (Code) ***/
   9 /****************************************/
  10
  11 #include <stdio.h>
  12 #include <string.h>
  13 #include <stdarg.h>
  14 #include "Win32PrintHelp.hpp"
  15 #include "Templates/Array.hpp"
  16
  17 #if defined(_WIN32)
  18     #if defined(_MSC_VER)
  19         #define vsnprintf _vsnprintf
  20     #endif
  21 #endif
  22
  23
  24 const char* GetString(const char* String, ...)
  25 {
  26     if (!String) return NULL;
  27
  28     va_list     ArgList;
  29     static char FullString[1024];
  30
  31     va_start(ArgList, String);
  32         vsnprintf(FullString, sizeof(FullString), String, ArgList);
  33     va_end(ArgList);
  34
  35     FullString[sizeof(FullString)-1]=0;
  36
  37     return FullString;
  38 }
  39
  40
  41 static ArrayT< ArrayT<char> > QueueStart;
  42 static ArrayT< ArrayT<char> > QueueEnd;
  43
  44
  45 void EnqueueString(const char* String, ...)
  46 {
  47     if (!String) return;
  48
  49     va_list     ArgList;
  50     static char FullString[1024];
  51
  52     va_start(ArgList, String);
  53         vsnprintf(FullString, sizeof(FullString), String, ArgList);
  54     va_end(ArgList);
  55
  56     FullString[sizeof(FullString)-1]=0;
  57
  58     QueueEnd.PushBackEmpty();
  59     QueueEnd[QueueEnd.Size()-1].PushBackEmpty((unsigned long)(strlen(FullString)+1));
  60     strcpy(&QueueEnd[QueueEnd.Size()-1][0], FullString);
  61 }
  62
  63
  64 const char* DequeueString()
  65 {
  66     if (QueueStart.Size()==0 && QueueEnd.Size()>0)
  67     {
  68         unsigned long Pos;
  69
  70         for (Pos=QueueEnd.Size()-1; Pos>0; Pos--) QueueStart.PushBack(QueueEnd[Pos]);
  71         QueueStart.PushBack(QueueEnd[Pos]);
  72
  73         QueueEnd.Clear();
  74     }
  75
  76     if (QueueStart.Size()==0) return NULL;
  77
  78     static char StringBuffer[1024];
  79
  80     strcpy(StringBuffer, &QueueStart[QueueStart.Size()-1][0]);
  81     QueueStart.DeleteBack();
  82
  83     return StringBuffer;
  84 }