Changeset 1396:56f9a4ba9149 in lemon-0.x for src/lemon/graph_reader.h

Timestamp:

04/28/05 11:54:38 (19 years ago)

Author:

Balazs Dezso

Branch:

default

Phase:

public

Convert:

svn:c9d7d8f5-90d6-0310-b91f-818b3a526b0e/lemon/trunk@1856

Message:

GUI section handling.

File:

• src/lemon/graph_reader.h (modified) (6 diffs)

src/lemon/graph_reader.h

@@ -182 +182 @@
   };
 
+  class GUIReader {
+  public:
+    virtual void read(std::istream& is) = 0;
+  };
+
   /// \brief The graph reader class.
   ///
@@ -264 +269 @@
     GraphReader(std::istream& _is, Graph& _graph, 
                 const DefaultReader& _reader = DefaultReader()) 
-      : is(_is), graph(_graph), nodeSkipper(_reader), edgeSkipper(_reader) {}
+      : gui_reader(0), is(_is), graph(_graph), 
+        nodeSkipper(_reader), edgeSkipper(_reader) {}
 
     /// \brief Destruct the graph reader.
@@ -412 +418 @@
           line = readEdges(line_num, edgeInverter);
         }
+        if (line.find("@gui") == 0) {
+          line = readGUI(line_num);
+        }
         if (line.find("@end") != 0) {
           throw DataFormatError("Invalid control sequence error");
@@ -419 +428 @@
         throw e;
       }
+    }
+
+    GraphReader& readGUI(GUIReader& reader) {
+      gui_reader = &reader;
+      return *this;
     }
 
@@ -545 +559 @@
     }
 
+    std::string readGUI(int& line_num) {
+      std::stringstream section;
+      std::string line;
+      while (line = readNotEmptyLine(is, line_num), line[0] != '@') {
+        section << line << std::endl;
+      }
+      if (gui_reader != 0) {
+        gui_reader->read(section);
+      }
+      return line;
+    }
+
     std::string readNotEmptyLine(std::istream& is, int& line_num) {
       std::string line;
@@ -732 +758 @@
     typedef std::map<std::string, Edge*> EdgeReaders;
     EdgeReaders edge_readers;
+
+    GUIReader* gui_reader;
 
     std::istream& is;