| 1 | /*␊ |
| 2 | * shell_process.h␊ |
| 3 | *␊ |
| 4 | * Created by Rekursor on 1/17/2010.␊ |
| 5 | *␊ |
| 6 | */␊ |
| 7 | #ifndef __CHSHELL_PROCESS_H␊ |
| 8 | #define __CHSHELL_PROCESS_H␊ |
| 9 | ␊ |
| 10 | #include <Security/Authorization.h>␊ |
| 11 | #include <stdio.h>␊ |
| 12 | #include <stdlib.h>␊ |
| 13 | #include <errno.h>␊ |
| 14 | #include <sys/stat.h>␊ |
| 15 | #include <vector>␊ |
| 16 | #include <string>␊ |
| 17 | ␊ |
| 18 | //----------------------------------------------------------------␊ |
| 19 | const int MAX_HD = 10;␊ |
| 20 | ␊ |
| 21 | //----------------------------------------------------------------␊ |
| 22 | ␊ |
| 23 | /**␊ |
| 24 | * Check whether file exists:␊ |
| 25 | */␊ |
| 26 | inline bool fileExists(const char * str) ␊ |
| 27 | { ␊ |
| 28 | ␉struct stat stFileInfo; ␊ |
| 29 | ␉if((stat(str,&stFileInfo)) == 0) return true; ␊ |
| 30 | ␉else return false;␊ |
| 31 | }␊ |
| 32 | ␊ |
| 33 | inline bool fileExists(std::string str) {return fileExists(str.c_str());}␊ |
| 34 | ␊ |
| 35 | //----------------------------------------------------------------␊ |
| 36 | class ShellProcess ␊ |
| 37 | {␊ |
| 38 | public:␊ |
| 39 | ␉// construction / destruction␊ |
| 40 | ␉ShellProcess() {_fpt= NULL;}␊ |
| 41 | ␉~ShellProcess() {if (_fpt) close();}␊ |
| 42 | ␉␊ |
| 43 | ␉FILE * open␉(const char *cmd, const char *mode="r");␊ |
| 44 | ␉int close();␊ |
| 45 | ␉FILE * desc() const { return _fpt;} // non null if file is open␊ |
| 46 | ␉char * get_line(char * line, size_t s) const {return _fpt ? fgets(line, s, _fpt) : NULL;}␊ |
| 47 | ␉␊ |
| 48 | protected:␊ |
| 49 | ␉FILE * _fpt;␊ |
| 50 | };␊ |
| 51 | ␊ |
| 52 | //----------------------------------------------------------------␊ |
| 53 | class PartitionInfo␊ |
| 54 | {␊ |
| 55 | public:␊ |
| 56 | ␉PartitionInfo() : _disk(0), _part(0) {}␊ |
| 57 | ␉PartitionInfo(int disk, int part) {␉set(disk, part);}␊ |
| 58 | ␉␊ |
| 59 | ␉void disk(int disk) { _disk=disk;}␊ |
| 60 | ␉int disk() const { return _disk;}␊ |
| 61 | ␉␊ |
| 62 | ␉void partition(int part) { _part=part;}␊ |
| 63 | ␉int partition () const { return _part;}␊ |
| 64 | ␉␊ |
| 65 | ␉const char * clabel() const { return _label.c_str();}␊ |
| 66 | ␉const std::string& label() const { return _label;␉}␊ |
| 67 | ␉void label(const char * l) { ␊ |
| 68 | ␉␉if (l) _label = l; ␊ |
| 69 | ␉␉removeSpaces(_label);␊ |
| 70 | ␉}␊ |
| 71 | ␊ |
| 72 | ␉const char * cfsType() const { return _fsType.c_str();}␊ |
| 73 | ␉const std::string& fsType() const { return _fsType;}␊ |
| 74 | ␉void fsType(const char * fs) { ␊ |
| 75 | ␉␉if (fs) _fsType = fs; ␊ |
| 76 | ␉␉removeSpaces(_fsType);␊ |
| 77 | ␉}␊ |
| 78 | ␉␉␊ |
| 79 | ␉void set(int disk, int part) { _disk =disk; _part = part;}␊ |
| 80 | ␉bool fromPartitionHdString(const char * inHdStr);␊ |
| 81 | ␉std::string toHdStr() const ␊ |
| 82 | ␉{␊ |
| 83 | ␉␉std::string buf = "hd(n,m)";␊ |
| 84 | ␉␉buf[3]= '0'+disk();␊ |
| 85 | ␉␉buf[5]='0'+partition();␊ |
| 86 | ␉␉return buf;␊ |
| 87 | ␉}␊ |
| 88 | ␉int imageIndexFromFs() const;␊ |
| 89 | protected:␊ |
| 90 | ␉void removeSpaces(std::string & s);␊ |
| 91 | ␊ |
| 92 | private:␊ |
| 93 | ␉int _disk, _part;␊ |
| 94 | ␉std::string _fsType, _label;␊ |
| 95 | };␊ |
| 96 | ␊ |
| 97 | static inline bool isDiskIndexInf(PartitionInfo i, PartitionInfo j) ␊ |
| 98 | { ␊ |
| 99 | ␉return ((i.disk()*100+i.partition()) < (j.disk()*100 + j.partition()) ) ;␊ |
| 100 | }␊ |
| 101 | ␊ |
| 102 | //----------------------------------------------------------------␊ |
| 103 | class PartitionExtractor : public ShellProcess␊ |
| 104 | {␊ |
| 105 | public:␊ |
| 106 | ␉PartitionExtractor() :␉ShellProcess() ␉{ init(); }␊ |
| 107 | ␉␊ |
| 108 | ␉const std::vector<PartitionInfo>& extractPartitions(␊ |
| 109 | ␉␉␉␉␉␉␉␉␉␉␉␉␉␉const char* szHide=NULL,␊ |
| 110 | ␉␉␉␉␉␉␉␉␉␉␉␉␉␉const char* szRenamed=NULL);␊ |
| 111 | ␉int getListCount() const {return (int) _partList.size();}␊ |
| 112 | ␉␊ |
| 113 | ␉const std::vector<PartitionInfo>& partList() const {return _partList;}␊ |
| 114 | ␉std::vector<PartitionInfo>& editPartList() {return _partList;}␊ |
| 115 | ␉␊ |
| 116 | ␉// get the index in the internal partlist of the hd(n,m) partition specified by the input string␊ |
| 117 | ␉// return -1 if no match, >=0 if a match happens␊ |
| 118 | ␉int getIndexFromHdStringSpec(const char*); ␊ |
| 119 | ␉␊ |
| 120 | ␉void hidePartitions(const char* szParts){ _hiddenParts = (szParts ? szParts : "");}␊ |
| 121 | ␉void renamedPartitions(const char* szParts){ _renamedParts = (szParts ? szParts : "");}␊ |
| 122 | ␉void sortPartList() {␉sort(_partList.begin(), _partList.end(), isDiskIndexInf);␉}␊ |
| 123 | ␊ |
| 124 | ␉const char * checkForRename(const char * label, const char* szHd);␊ |
| 125 | ␊ |
| 126 | ␉void swapHD(int src, int dst)␊ |
| 127 | ␉{␊ |
| 128 | ␉␉if(src < 0 || src > MAX_HD-1 || dst < 0 || dst > MAX_HD-1) return;␊ |
| 129 | ␉␉_hdRedirTable[src]=dst;␊ |
| 130 | ␉␉_hdRedirTable[dst]=src;␊ |
| 131 | ␉}␊ |
| 132 | ␉␊ |
| 133 | ␉void resetSwapping() { init();}␊ |
| 134 | ␉␊ |
| 135 | protected:␊ |
| 136 | ␉void init() {␊ |
| 137 | ␉␉for (int i=0; i<MAX_HD; i++) _hdRedirTable[i]=i;␊ |
| 138 | ␉}␊ |
| 139 | ␉␊ |
| 140 | private:␊ |
| 141 | ␉std::vector<PartitionInfo> _partList;␊ |
| 142 | ␉int _hdRedirTable[MAX_HD];␊ |
| 143 | ␉std::string _hiddenParts;␊ |
| 144 | ␉std::string _renamedParts;␊ |
| 145 | ␉␊ |
| 146 | };␊ |
| 147 | ␊ |
| 148 | #endif␊ |
| 149 | |
