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File: [Pegasus] / pegasus / src / utils / jd / Attic / jd.cpp
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Revision: 1.1, Mon Mar 5 15:57:18 2001 UTC (23 years, 4 months ago) by mike Branch: MAIN CVS Tags: version_1_01, version_0_99_1, version_0_99, version_0_97_3, version_0_97_2, version_0_97_1, version_0_97, version_0_96, version_0_95, version_0_8, version_0_79_4, test, stable_0_95, stable, pep_88, merge_of_dev, mday-merge-start, mday-merge-pegasus/src/Pegasus/Server, mday-merge-pegasus/src/Pegasus/Common, mday-2-0-patches, main, dev_dead, dev, async_dispatcher, VERSION_2_1_RELEASE_HEAD, VERSION_2_1_RELEASE_BRANCH, VERSION_2_1_RELEASE, VERSION_2_1_1_RELEASE, VERSION_2_01_01, VERSION_2_00_RC_4, VERSION_2_00_RC_3, VERSION_2_00_RC_2, VERSION_2_00_RC_1, VERSION_2_00_BRANCH, VERSION_1_10, VERSION_1_09, VERSION_1_08, VERSION_1_07, TEST, SNAPSHOT_1_04, RELEASE_2_3_0-msg-freeze, RELEASE_2_2_1-snapshot, RELEASE_2_2_0_0-release, RELEASE_2_2_0-root, RELEASE_2_2_0-branch, RELEASE_2_2-root, PRE_LICENSE_UPDATE_2003, PEGASUS_FC_VERSION_2_2, LOCAL_ASSOCPROV-ROOT, LOCAL_ASSOCPROV-BRANCH new |
#include <direct.h> #include <fstream> #include <iostream> #include <string> #include <cstring> #include <cctype> #include <vector> using namespace std; const char* argv0; static string _cwd; static int _drive; bool _RemoveFile(const string& path) { return _unlink(path.c_str()) == 0; } bool _ChangeDir(const string& path) { if (path.size() >= 2) { if (isalpha(path[0]) && path[1] == ':') { int drive = tolower(path[0]) - 'a'; _chdrive(drive); } } return _chdir(path.c_str()) == 0; } bool _GetCwd(string& path) { char* tmp = _getcwd(NULL, 0); if (!tmp) return false; path = tmp; delete [] tmp; return true; } bool _MakeDir(const string& path) { return _mkdir(path.c_str()) == 0; } void _Split(const string& path, vector<string>& components) { char *p = strdup(path.c_str()); for (p = strtok(p, ";"); p; p = strtok(NULL, ";")) components.push_back(p); free(p); } void _WriteLastBatchFile() { ofstream os("c:\\temp\\jdlast.bat"); if (!os) { cerr << argv0 << ": cannot open \"C:\\temp\\jdlast.bat\"" << endl; exit(1); } os << "@echo off" << endl; os << (char)(_drive + 'A' - 1) << ":" << endl; os << "cd " << _cwd << endl; } void _CreateBatchFileAndExit(const string& path_) { string path = path_; for (size_t i = 0; i < path.size(); i++) { if (path[i] == '/') path[i] = '\\'; } { ofstream os("c:\\temp\\jdtmp.bat"); if (!os) { cerr << argv0 << ": cannot open \"C:\\temp\\jdtmp.bat\"" << endl; exit(1); } os << "@echo off" << endl; if (path.size() >= 2 && isalpha(path[0]) && path[1] == ':') os << path.substr(0, 2) << endl; os << "cd " << path << endl; } // Build batch file to restore CWD with "jd -" _WriteLastBatchFile(); cout << path << endl; exit(0); } const string ALIAS_DIR = "C:/jdalias"; bool _IsLegalAlias(const string& alias) { for (size_t i = 0; i < alias.size(); i++) { char c = alias[i]; if (!isalnum(c) && c != '_' && c != '-') return false; } return true; } void _AliasCurrentDirectory(const string& alias) { if (!_IsLegalAlias(alias)) { cerr << argv0 << ": aliases may only contain these characters: "; cerr << "[A-Za-z0-9_-]" << endl; } // Create JD home directory if it does not exist: _MakeDir(ALIAS_DIR); // Get the current working directory: string cwd; if (!_GetCwd(cwd)) { cerr << argv0 << ": cannot get current directory" << endl; exit(1); } // Create file to hold path: string file_name = ALIAS_DIR + "/" + alias; ofstream os(file_name.c_str()); if (!os) { cerr << argv0 << ": failed to open \"" << file_name << "\"" << endl; exit(1); } os << cwd << endl; cout << "created alias \"" << alias << "\"" << endl; exit(1); } void _ChangeToAliasedDirectory(const string& alias) { if (!_IsLegalAlias(alias)) return; string file_name = ALIAS_DIR + "/" + alias; ifstream is(file_name.c_str()); if (!is) return; string path; if (!getline(is, path)) return; if (_ChangeDir(path)) _CreateBatchFileAndExit(path); } void _DeleteDirectoryAlias(const string& alias) { if (!_IsLegalAlias(alias)) { cerr << argv0 << ": aliases may only contain these characters: "; cerr << "[A-Za-z0-9_-]" << endl; } string file_name = ALIAS_DIR + "/" + alias; if (!_RemoveFile(file_name)) { cerr << "no such alias: \"" << alias << "\"" << endl; exit(1); } exit(1); } int main(int argc, char** argv) { argv0 = argv[0]; // Check for -a option (diretory aliasing) if (argc == 3 && string(argv[1]) == "-a") { _AliasCurrentDirectory(argv[2]); exit(1); } // Check for -d option (delete diretory alias) if (argc == 3 && string(argv[1]) == "-d") { _DeleteDirectoryAlias(argv[2]); exit(1); } // Check arguments: if (argc > 2) { cerr << "Usage: " << argv[0] << " path" << endl; exit(1); } // Save the current working directory: if (!_GetCwd(_cwd)) { cerr << argv0 << ": cannot access current directory" << endl; exit(1); } _drive = _getdrive(); // If only one argument, change to home: if (argc == 1) { const char* home = getenv("HOME"); if (!home) { cerr << "HOME environment variable not defined" << endl; exit(1); } if (!_ChangeDir(home)) { cerr << "Directory given by HOME environment variable does not "; cerr << "exist: \"" << home << "\"" << endl; exit(1); } _CreateBatchFileAndExit(home); } // If user typed "jd -" if (string(argv[1]) == "-") exit(2); // Attempt to change to directory: string path = argv[1]; if (_ChangeDir(path)) _CreateBatchFileAndExit(path); else { const char* jdpath = getenv("JDPATH"); if (!jdpath) { cerr << "JDPATH environment variable not defined" << endl; exit(1); } vector<string> components; _Split(jdpath, components); for (size_t i = 0; i < components.size(); i++) { string tmp = components[i] + "/" + path; if (_ChangeDir(tmp)) _CreateBatchFileAndExit(tmp); } } // Finally check to see if path is an alias: _ChangeToAliasedDirectory(path); // Not found: cerr << argv[0] << ": " << path << " does not exist" << endl; exit(1); return 0; }
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