| 1 | /*␊ |
| 2 | * shell_process.cpp␊ |
| 3 | *␊ |
| 4 | * Created by Rekursor on 1/17/2010.␊ |
| 5 | *␊ |
| 6 | */␊ |
| 7 | ␊ |
| 8 | #include "ShellProcess.h"␊ |
| 9 | #include <string.h>␊ |
| 10 | #include <sys/stat.h>␊ |
| 11 | #include "string_util.h"␊ |
| 12 | ␊ |
| 13 | #define MAX_LINESIZE 4096␊ |
| 14 | ␊ |
| 15 | //----------------------------------------------------------------␊ |
| 16 | // portable open process:␊ |
| 17 | FILE * ShellProcess::open(const char *cmd, const char *mode) {␊ |
| 18 | ␉_fpt=::popen(cmd,mode);␊ |
| 19 | ␉return _fpt;␊ |
| 20 | }␊ |
| 21 | ␊ |
| 22 | //----------------------------------------------------------------␊ |
| 23 | int ShellProcess::close() {␊ |
| 24 | ␉int ret = ::pclose(_fpt);␊ |
| 25 | ␉_fpt=NULL;␊ |
| 26 | ␉return ret;␊ |
| 27 | }␊ |
| 28 | ␊ |
| 29 | //----------------------------------------------------------------␊ |
| 30 | std::string ShellProcess::get_line(const char * matching)␊ |
| 31 | {␊ |
| 32 | char buffer[MAX_LINESIZE];␊ |
| 33 | ␊ |
| 34 | char* res = get_line(buffer, MAX_LINESIZE-1, matching);␊ |
| 35 | std::string result = res ? res : "";␊ |
| 36 | ␊ |
| 37 | return result;␊ |
| 38 | }␊ |
| 39 | //----------------------------------------------------------------␊ |
| 40 | char * ShellProcess::get_line(char * line, size_t s, const char *matching)␊ |
| 41 | {␊ |
| 42 | ␉if (_fpt==NULL || line==NULL) return NULL;␊ |
| 43 | ␉char * l = fgets(line, s, _fpt);␊ |
| 44 | ␉␊ |
| 45 | ␉if (matching==NULL || (*matching)=='\0') ␊ |
| 46 | ␉␉return l; // we're done␊ |
| 47 | ␉␊ |
| 48 | ␉// search first line matching substring 'matching'␊ |
| 49 | ␉size_t len = strlen(line);␊ |
| 50 | ␉␊ |
| 51 | ␉for (; l!=NULL && (len >0) ;)␊ |
| 52 | ␉{␊ |
| 53 | ␉␉if (strstr(line, matching))␊ |
| 54 | ␉␉{␊ |
| 55 | ␉␉␉return l;␊ |
| 56 | ␉␉}␊ |
| 57 | ␉␉␊ |
| 58 | ␉␉*line = '\0';␊ |
| 59 | ␉␉l = fgets(line, s, _fpt);␊ |
| 60 | ␉␉len = strlen(line);␊ |
| 61 | ␉}␊ |
| 62 | ␉␊ |
| 63 | ␉return l;␊ |
| 64 | }␊ |
| 65 | |
