1 files changed, 114 insertions, 0 deletions
diff --git a/parser.cpp b/parser.cpp
new file mode 100644
index 0000000..39527ed
--- /dev/null
+++ b/parser.cpp
@@ -0,0 +1,114 @@
+#include "header.hpp"
+#include "parser.hpp"
+
+void ParserLine::parse()
+{
+  
+  key.clear();
+  value.clear();
+  
+  if (!line.empty() && line.find("//", 0) != 0) {
+
+    uint splitloc = line.find(":", 0); // find the colon
+    key = line.substr(0, splitloc);    // store the key and value strings
+    key.erase(std::remove(key.begin(), key.end(), ' '), key.end()); // remove spaces and tabs
+    key.erase(std::remove(key.begin(), key.end(), '\t'), key.end());
+    std::string val = line.substr(splitloc+1, line.length()-splitloc);
+
+    size_t splitter = val.find("//", 0);
+    std::string strloc;
+    if (splitter != std::string::npos) {
+      strloc = val.substr(0, splitter);
+    } else {
+      strloc = val;
+    }
+
+    value.clear();
+    value.str(strloc);
+    
+  }
+  
+}
+
+
+void Parser::read_options(std::string fname)
+{
+
+  std::ifstream fInStream(fname);
+  std::string line;
+  ParserLine pline;
+  
+  // initialize all read-in values to -999
+  fuzz    = -999;
+  n_agent = -999;
+  n_iteration = -999;
+
+  if (fInStream.is_open()) {
+    
+    while (std::getline(fInStream, line)) {
+
+      pline.line = line;
+      pline.parse();
+
+      if (!pline.key.empty()) {
+	
+	// Match the key and store the value
+	if (!strcmp("surfacemesh", pline.key.c_str())) {
+	  pline.value >> surface_mesh_file;
+	}
+	else if (!strcmp("surfacedata", pline.key.c_str())) {
+	  pline.value >> surface_data_file;
+	}
+	else if (!strcmp("surfacetime", pline.key.c_str())) {
+	  double time;
+	  while (pline.value >> time) {
+	    surface_time.push_back(time);
+	  }
+	}
+	else if (!strcmp("surfacegroup", pline.key.c_str())) {
+	  std::string group;
+	  while (pline.value >> group) {
+	    surface_data_group.push_back(group);
+	  }
+	}
+	else if (!strcmp("subsurfacemesh", pline.key.c_str())) {
+	  pline.value >> subsurface_mesh_file;
+	}
+	else if (!strcmp("subsurfacedata", pline.key.c_str())) {
+	  pline.value >> subsurface_data_file;
+	}
+	else if (!strcmp("subsurfacetime", pline.key.c_str())) {
+	  double time;
+	  while (pline.value >> time) {
+	    subsurface_time.push_back(time);
+	  }
+	}
+	else if (!strcmp("subsurfacegroup", pline.key.c_str())) {
+	  std::string group;
+	  while (pline.value >> group) {
+	    subsurface_data_group.push_back(group);
+	  }
+	}
+	else if (!strcmp("n_agent", pline.key.c_str())) {
+	  pline.value >> n_agent;
+	}
+	else if (!strcmp("fuzz", pline.key.c_str())) {
+	  pline.value >> fuzz;
+	}
+	else if (!strcmp("seed", pline.key.c_str())) {
+	  pline.value >> seed;
+	}
+	else if (!strcmp("n_iteration", pline.key.c_str())) {
+	  pline.value >> n_iteration;
+	}
+	else {
+	  std::cerr << "[!!] Unrecognised option key" << std::endl;
+	}
+	
+      }
+      
+    }
+    
+  }
+  
+}