1 | // This file is a part of the Framsticks GDK. |
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2 | // Copyright (C) 1999-2014 Maciej Komosinski and Szymon Ulatowski. See LICENSE.txt for details. |
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3 | // Refer to http://www.framsticks.com/ for further information. |
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4 | |
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5 | #ifndef _VIRTFILE_H_ |
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6 | #define _VIRTFILE_H_ |
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7 | |
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8 | #include <stdio.h> |
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9 | #include <stdarg.h> |
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10 | #include <common/nonstd_dir.h> |
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11 | //#include <dirent.h> //to jest inkludowane przez powyzsze |
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12 | //struct dirent; //kiedys byla ta linia jak nie bylo jeszcze implementacji windowsowej dirent, ale borlandowi sie nie podoba jak s¹ obie |
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13 | |
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14 | #ifdef DLLEXPORTACTIVE //tylko w tym pliku uzyte |
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15 | #define DLLEXP __declspec(dllexport) |
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16 | #else |
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17 | #define DLLEXP |
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18 | #endif |
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19 | |
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20 | class DLLEXP VirtFileSystem; |
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21 | |
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22 | class DLLEXP VirtFILE |
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23 | { |
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24 | public: |
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25 | virtual size_t Vread(void *ptr, size_t size, size_t nmemb)=0; |
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26 | virtual size_t Vwrite(const void *ptr, size_t size, size_t nmemb)=0; |
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27 | virtual int Veof()=0; |
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28 | virtual int Vputc(int c) {unsigned char data=(unsigned char)c; return (Vwrite(&data,1,1)==1)?data:EOF;} |
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29 | virtual int Vputs(const char *s)=0; |
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30 | virtual int Vgetc() {unsigned char data; if (Vread(&data,1,1)==1) return data; else return EOF;} |
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31 | virtual int Vseek(long offset, int whence)=0; |
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32 | virtual long Vtell()=0; |
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33 | virtual void Vrewind() {Vseek(0,SEEK_SET);} |
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34 | virtual int Vflush()=0; |
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35 | virtual char *Vgets(char *s, int size)=0; |
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36 | virtual int Vprintf(const char *format, va_list args); |
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37 | int printf(const char *format, ...); |
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38 | virtual const char *VgetPath() {return 0;} // 0=unspecified path |
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39 | virtual int getSize(); |
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40 | virtual ~VirtFILE(); |
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41 | static VirtFILE *Vstdin,*Vstdout,*Vstderr; |
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42 | static void setVstdin(VirtFILE *); |
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43 | static void setVstdout(VirtFILE *); |
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44 | static void setVstderr(VirtFILE *); |
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45 | static VirtFILE* getVstdin(); |
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46 | static VirtFILE* getVstdout(); |
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47 | static VirtFILE* getVstderr(); |
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48 | static VirtFileSystem *vfs; |
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49 | static void selectFileSystem(VirtFileSystem *s); |
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50 | }; |
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51 | |
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52 | class DLLEXP VirtDIR |
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53 | { |
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54 | public: |
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55 | virtual ~VirtDIR() {} |
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56 | virtual dirent* Vreaddir() {return 0;} |
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57 | }; |
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58 | |
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59 | class DLLEXP VirtFileSystem |
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60 | { |
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61 | public: |
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62 | virtual VirtFILE *Vfopen(const char* path,const char*mode); |
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63 | virtual int Vfexists(const char* path); |
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64 | virtual VirtDIR *Vopendir(const char* path); |
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65 | }; |
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66 | |
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67 | DLLEXP VirtFILE *Vfopen(const char* path,const char*mode); |
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68 | DLLEXP VirtDIR *Vopendir(const char* path); |
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69 | DLLEXP int Vfexists(const char* path); |
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70 | |
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71 | DLLEXP int fread(void *ptr, size_t size, size_t nmemb, VirtFILE* f); |
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72 | DLLEXP int fwrite(const void *ptr, size_t size, size_t nmemb, VirtFILE* f); |
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73 | |
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74 | |
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75 | //since we want our own feof(VirtFILE*) function and some systems unfortunately define feof as a macro, we need to #undef it. Same as in virtfile.cpp |
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76 | #if defined _MSC_VER || defined __CYGWIN__ || defined SHP || defined __ANDROID__ |
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77 | #pragma push_macro("feof") |
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78 | #undef feof |
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79 | #endif |
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80 | #if defined __BORLANDC__ //does not support #pragma push_macro/pop_macro |
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81 | #undef feof |
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82 | #endif |
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83 | |
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84 | DLLEXP int feof(VirtFILE* f);// {return f->Veof();} |
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85 | |
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86 | //...and then restore the original macro: |
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87 | #if defined _MSC_VER || defined __CYGWIN__ || defined SHP || defined __ANDROID__ |
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88 | #pragma pop_macro("feof") |
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89 | #endif |
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90 | #if defined __BORLANDC__ |
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91 | #define feof(__f) ((__f)->flags & _F_EOF) |
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92 | #endif |
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93 | |
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94 | |
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95 | DLLEXP int fputc(int c,VirtFILE* f); |
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96 | DLLEXP int fputs(const char *s,VirtFILE* f); |
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97 | DLLEXP int fgetc(VirtFILE* f); |
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98 | DLLEXP int fseek(VirtFILE* f,long offset, int whence); |
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99 | DLLEXP int ftell(VirtFILE* f); |
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100 | DLLEXP void rewind(VirtFILE* f); |
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101 | DLLEXP int fflush(VirtFILE* f); |
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102 | DLLEXP char *fgets(char *s, int size, VirtFILE* f); |
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103 | DLLEXP int fprintf(VirtFILE* f,const char *format, ...); |
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104 | DLLEXP int fclose(VirtFILE* f); |
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105 | |
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106 | DLLEXP dirent* readdir(VirtDIR* d); |
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107 | DLLEXP int closedir(VirtDIR* d); |
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108 | |
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109 | #endif |
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110 | |
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