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[pom.git] / misc.cc

diff --git a/misc.cc b/misc.cc
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+
+//////////////////////////////////////////////////////////////////////////////////
+// This program is free software: you can redistribute it and/or modify         //
+// it under the terms of the version 3 of the GNU General Public License        //
+// as published by the Free Software Foundation.                                //
+//                                                                              //
+// This program is distributed in the hope that it will be useful, but          //
+// WITHOUT ANY WARRANTY; without even the implied warranty of                   //
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU             //
+// General Public License for more details.                                     //
+//                                                                              //
+// You should have received a copy of the GNU General Public License            //
+// along with this program. If not, see <http://www.gnu.org/licenses/>.         //
+//                                                                              //
+// Written by Francois Fleuret                                                  //
+// (C) Ecole Polytechnique Federale de Lausanne                                 //
+// Contact <pom@epfl.ch> for comments & bug reports                             //
+//////////////////////////////////////////////////////////////////////////////////
+
+#include <iostream>
+#include <fstream>
+
+using namespace std;
+
+#include "misc.h"
+
+char *next_word(char *buffer, char *r, int buffer_size) {
+  char *s;
+  s = buffer;
+  if(r != 0) {
+    while((*r == ' ') || (*r == '\t') || (*r == ',')) r++;
+    if(*r == '"') {
+      r++;
+      while((*r != '"') && (*r != '\0') &&
+            (s<buffer+buffer_size-1))
+        *s++ = *r++;
+      if(*r == '"') r++;
+    } else {
+      while((*r != '\r') && (*r != '\n') && (*r != '\0') &&
+            (*r != '\t') && (*r != ' ') && (*r != ',')) {
+        if(s == buffer + buffer_size) {
+          cerr << "Buffer overflow in next_word." << endl;
+          exit(1);
+        }
+        *s++ = *r++;
+      }
+    }
+
+    while((*r == ' ') || (*r == '\t') || (*r == ',')) r++;
+    if((*r == '\0') || (*r=='\r') || (*r=='\n')) r = 0;
+  }
+  *s = '\0';
+
+  return r;
+}
+
+int pomsprintf(char *buffer, int buffer_length, char *format, int n_camera, int n_frame, int n_iteration) {
+  char *s = buffer, *t = format;
+
+  while(*t && s < buffer + buffer_length - 1) {
+    if(*t == '%') {
+      t++;
+      int v;
+      switch(*t) {
+      case 'c':
+        v = n_camera;
+        t++;
+        break;
+      case 'f':
+        v = n_frame;
+        t++;
+        break;
+      case 'i':
+        v = n_iteration;
+        t++;
+        break;
+      default:
+        cerr << "Unknown format type in " << format << "." << endl;
+        exit(1);
+      }
+
+      s += snprintf(s, buffer + buffer_length - s, "%d", v);
+    } else *(s++) = *(t++);
+  }
+
+  *(s++) = '\0';
+
+  return s - buffer;
+}