Geant4_10
G4UIbatch.cc
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26 // $Id: G4UIbatch.cc 67965 2013-03-13 09:35:29Z gcosmo $
27 //
28 // ====================================================================
29 // G4UIbatch.cc
30 //
31 // ====================================================================
32 #include "G4UIbatch.hh"
33 #include "G4UImanager.hh"
34 #include <vector>
35 #include <string>
36 
38 static void Tokenize(const G4String& str, std::vector<G4String>& tokens)
40 {
41  const char* delimiter= " ";
42 
43  G4String::size_type pos0= str.find_first_not_of(delimiter);
44  G4String::size_type pos = str.find_first_of(delimiter, pos0);
45 
46  while (pos != G4String::npos || pos0 != G4String::npos) {
47  if (str[pos0] == '\"') {
48  pos = str.find_first_of("\"", pos0+1);
49  if(pos != G4String::npos) pos++;
50  }
51  if (str[pos0] == '\'') {
52  pos = str.find_first_of("\'", pos0+1);
53  if(pos != G4String::npos) pos++;
54  }
55 
56  tokens.push_back(str.substr(pos0, pos-pos0));
57  pos0 = str.find_first_not_of(delimiter, pos);
58  pos = str.find_first_of(delimiter, pos0);
59  }
60 }
61 
62 // ====================================================================
63 //
64 // class description
65 //
66 // ====================================================================
67 
69 G4UIbatch::G4UIbatch(const char* fileName, G4UIsession* prevSession)
70  : previousSession(prevSession), isOpened(false)
72 {
73  macroStream.open(fileName, std::ios::in);
74  if(macroStream.fail()) {
75  G4cerr << "***** Can not open a macro file <"
76  << fileName << ">"
77  << G4endl;
78  } else {
79  isOpened= true;
80  }
81 
82  G4UImanager::GetUIpointer()-> SetSession(this);
83 }
84 
85 
89 {
90  if(isOpened) macroStream.close();
91 }
92 
93 
95 G4String G4UIbatch::ReadCommand()
97 {
98  enum { BUFSIZE= 4096 };
99  static G4ThreadLocal char *linebuf = 0 ; if (!linebuf) linebuf = new char [BUFSIZE];
100  const char ctrM = 0x0d;
101 
102  G4String cmdtotal= "";
103  G4bool qcontinued= false;
104  while(macroStream.good()) {
105  macroStream.getline(linebuf, BUFSIZE);
106 
107  G4String cmdline(linebuf);
108 
109  // TAB-> ' ' conversion
110  str_size nb=0;
111  while ((nb= cmdline.find('\t',nb)) != G4String::npos) {
112  cmdline.replace(nb, 1, " ");
113  }
114 
115  // strip
116  cmdline= cmdline.strip(G4String::both);
117  cmdline= cmdline.strip(G4String::trailing, ctrM);
118 
119  // skip null line if single line
120  if(!qcontinued && cmdline.size()==0) continue;
121 
122  // '#' is treated as echoing something
123  if(cmdline[(size_t)0]=='#') return cmdline;
124 
125  // tokenize...
126  std::vector<G4String> tokens;
127  Tokenize(cmdline, tokens);
128  qcontinued= false;
129  for (G4int i=0; i< G4int(tokens.size()); i++) {
130  // string after '#" is ignored
131  if(tokens[i][(size_t)0] == '#' ) break;
132  // '\' or '_' is treated as continued line.
133  if(tokens[i] == '\\' || tokens[i] == '_' ) {
134  qcontinued= true;
135  // check nothing after line continuation character
136  if( i != G4int(tokens.size())-1) {
137  G4Exception("G4UIbatch::ReadCommand","UI0003",
138  JustWarning,
139  "unexpected character after line continuation character");
140  }
141  break; // stop parsing
142  }
143  cmdtotal+= tokens[i];
144  cmdtotal+= " ";
145  }
146 
147  if(qcontinued) continue; // read the next line
148 
149  if(cmdtotal.size() != 0) break;
150  if(macroStream.eof()) break;
151  }
152 
153  // strip again
154  cmdtotal= cmdtotal.strip(G4String::both);
155 
156  // finally,
157  if(macroStream.eof() && cmdtotal.size()==0) {
158  return "exit";
159  }
160 
161  return cmdtotal;
162 }
163 
164 
166 G4int G4UIbatch::ExecCommand(const G4String& command)
168 {
170  G4int rc= UI-> ApplyCommand(command);
171 
172  switch(rc) {
173  case fCommandSucceeded:
174  break;
175  case fCommandNotFound:
176  G4cerr << "***** COMMAND NOT FOUND <"
177  << command << "> *****" << G4endl;
178  break;
180  G4cerr << "***** Illegal application state <"
181  << command << "> *****" << G4endl;
182  break;
183  default:
184  G4int pn= rc%100;
185  G4cerr << "***** Illegal parameter (" << pn << ") <"
186  << command << "> *****" << G4endl;
187  }
188 
189  return rc;
190 }
191 
192 
196 {
197  if(!isOpened) return previousSession;
198 
199  while(1) {
200  G4String newCommand = ReadCommand();
201 
202  if(newCommand == "exit") {
203  break;
204  }
205 
206  // just echo something
207  if( newCommand[(size_t)0] == '#') {
208  if(G4UImanager::GetUIpointer()-> GetVerboseLevel()==2) {
209  G4cout << newCommand << G4endl;
210  }
211  continue;
212  }
213 
214  // execute command
215  G4int rc= ExecCommand(newCommand);
216  if(rc != fCommandSucceeded) {
217  G4cerr << G4endl << "***** Batch is interrupted!! *****" << G4endl;
218  break;
219  }
220  }
221 
222  return previousSession;
223 }
224 
225 
229 {
230  G4cout << "Pause session <" << Prompt << "> start." << G4endl;
231 
232  SessionStart();
233 
234  G4cout << "Pause session <" << Prompt << "> Terminate." << G4endl;
235 }
236 
G4String strip(G4int strip_Type=trailing, char c=' ')
ifstream in
Definition: comparison.C:7
virtual G4UIsession * SessionStart()
Definition: G4UIbatch.cc:194
std::string::size_type str_size
Definition: G4String.hh:57
#define G4ThreadLocal
Definition: tls.hh:52
int G4int
Definition: G4Types.hh:78
static G4UImanager * GetUIpointer()
Definition: G4UImanager.cc:58
G4GLOB_DLL std::ostream G4cout
bool G4bool
Definition: G4Types.hh:79
void G4Exception(const char *originOfException, const char *exceptionCode, G4ExceptionSeverity severity, const char *comments)
Definition: G4Exception.cc:41
G4UIbatch(const char *fileName, G4UIsession *prevSession=0)
Definition: G4UIbatch.cc:69
virtual void PauseSessionStart(const G4String &Prompt)
Definition: G4UIbatch.cc:227
#define G4endl
Definition: G4ios.hh:61
~G4UIbatch()
Definition: G4UIbatch.cc:87
#define BUFSIZE
Definition: liblist.c:41
G4GLOB_DLL std::ostream G4cerr