YEAH a brand new CIF driver !!!

CIF is a text format
    CIF can be directly read by cadence
    -> we should be able to script multi layout generation / load into cadence / drc check

vlsisapd/CMakeLists.txt

@@ -7,5 +7,6 @@ SET(CMAKE_MODULE_PATH "${IO_SOURCE_DIR}/cmake_modules/")
 FIND_PACKAGE(LibXml2 REQUIRED)
 
 ADD_SUBDIRECTORY(agds)
+ADD_SUBDIRECTORY(cif)
 ADD_SUBDIRECTORY(openChams)
 ADD_SUBDIRECTORY(cmake_modules)

vlsisapd/cif/CMakeLists.txt

@@ -0,0 +1,9 @@
+INCLUDE_DIRECTORIES(${CHAMS_SOURCE_DIR}/cif)
+
+SET ( includes CifCircuit.h   CifPolygon.h )
+SET ( cpps     CifCircuit.cpp CifPolygon.cpp )
+
+ADD_LIBRARY(cif ${cpps})
+INSTALL(TARGETS cif DESTINATION /lib)
+
+INSTALL(FILES ${includes} DESTINATION /include/io/cif)

vlsisapd/cif/CifCircuit.cpp

@@ -0,0 +1,53 @@
+#include <iostream>
+#include <fstream>
+#include <ctime>
+using namespace std;
+
+#include "CifCircuit.h"
+#include "CifPolygon.h"
+
+namespace IO {
+
+CifCircuit::CifCircuit(string name) : _name(name) {}
+
+
+bool CifCircuit::addPolygon(CifPolygon* polygon) {
+    if(polygon)
+        _polygons.push_back(polygon);
+    else {
+        cerr << "[CIF DRIVE ERROR]: cannot add invalid polygon." << endl;
+        return false;
+    }
+    return true;
+}
+
+bool CifCircuit::write(string filename) {
+    time_t curtime = time(0);
+    tm now = *localtime(&curtime);
+    char date[BUFSIZ]={0};
+    const char format[]="%d-%b-%Y  %H:%M:%S";
+    if (!strftime(date, sizeof(date)-1, format, &now)>0)
+        cerr << "[CIF DRIVE ERROR]: cannot build current date." << endl;
+
+    ofstream file;
+    file.open(filename.c_str(), ios::out);
+    // Header
+    file << "(CIF file written on " << date << " by IO_CIF_DRIVER);" << endl
+         << "DS 1 1 1;" << endl
+         << "9 " << _name << ";" << endl;
+
+    // For each Polygon : write polygon.
+    for ( vector<CifPolygon*>::iterator it = _polygons.begin() ; it < _polygons.end() ; it++ ) {
+        (*it)->write(file);
+    }
+
+    // Footer
+    file << "DF;" << endl
+         << "C 1;" << endl
+         << "E" << endl;
+
+    file.close();
+    return true;
+}
+} // namespace
+

vlsisapd/cif/CifCircuit.h

@@ -0,0 +1,21 @@
+#ifndef __CIF_CIRCUIT_H
+#define __CIF_CIRCUIT_H
+
+#include <vector>
+
+namespace IO {
+class CifPolygon;
+class CifCircuit {
+    public:
+        CifCircuit(string);
+
+        bool addPolygon ( CifPolygon* );
+        bool write ( string );
+
+    private:
+        string _name;
+
+        std::vector<CifPolygon*> _polygons;
+};
+} // namespace
+#endif

vlsisapd/cif/CifPolygon.cpp

@@ -0,0 +1,29 @@
+#include <iostream>
+#include <fstream>
+#include <ctime>
+using namespace std;
+
+#include "CifPolygon.h"
+
+namespace IO {
+
+CifPolygon::CifPolygon(long layer) : _layer(layer) {}
+
+
+void CifPolygon::addPoint(long x, long y) {
+    _points.push_back(pair<long,long>(x,y));
+}
+
+void CifPolygon::write(ofstream& file) {
+    file << "L " << _layer << "; P";
+
+    // For each point : write point.
+    for ( vector<pair<long,long> >::iterator it = _points.begin() ; it < _points.end() ; it++ ) {
+        file << " " << (*it).first << "," << (*it).second;
+    }
+
+    file << ";" << endl;
+}
+} // namespace
+
+

vlsisapd/cif/CifPolygon.h

@@ -0,0 +1,20 @@
+#ifndef __CIF_POLYGON_H
+#define __CIF_POLYGON_H
+
+#include <vector>
+#include <fstream>
+
+namespace IO {
+class CifPolygon {
+    public:
+        CifPolygon(long);
+
+        void addPoint (long, long);
+        void write ( ofstream& );
+
+    private:
+        long _layer;
+        std::vector<std::pair<long,long> > _points;
+};
+} // namespace
+#endif

vlsisapd/cmake_modules/FindIO.cmake

@@ -28,6 +28,23 @@ ELSE(AGDS_INCLUDE_DIR AND AGDS_LIBRARY)
 #   SET(IO_LIBRARIES)
 ENDIF(AGDS_INCLUDE_DIR AND AGDS_LIBRARY)
 
+# CIF
+FIND_PATH(CIF_INCLUDE_DIR
+          NAMES io/cif/CifCircuit.h 
+          PATHS ${IO_DIR_SEARCH}
+          PATH_SUFFIXES include
+)
+FIND_LIBRARY(CIF_LIBRARY
+             NAMES cif
+             PATHS ${IO_DIR_SEARCH}
+             PATH_SUFFIXES lib
+)
+IF(CIF_INCLUDE_DIR AND CIF_LIBRARY)
+   SET(CIF_FOUND TRUE)
+ELSE(CIF_INCLUDE_DIR AND CIF_LIBRARY)
+   SET(CIF_FOUND FALSE)
+ENDIF(CIF_INCLUDE_DIR AND CIF_LIBRARY)
+
 # OPENCHAMS
 FIND_PATH(OPENCHAMS_INCLUDE_DIR
           NAMES io/openChams/Circuit.h 
@@ -41,18 +58,15 @@ FIND_LIBRARY(OPENCHAMS_LIBRARY
 )
 IF(OPENCHAMS_INCLUDE_DIR AND OPENCHAMS_LIBRARY)
    SET(OPENCHAMS_FOUND TRUE)
-  #SET(IO_FOUND   TRUE)
-#   SET(IO_LIBRARIES ${OPENCHAMS_LIBRARY})
 ELSE(OPENCHAMS_INCLUDE_DIR AND OPENCHAMS_LIBRARY)
    SET(OPENCHAMS_FOUND FALSE)
-#   SET(IO_LIBRARIES)
 ENDIF(OPENCHAMS_INCLUDE_DIR AND OPENCHAMS_LIBRARY)
 
-IF(AGDS_FOUND AND OPENCHAMS_FOUND)
+IF(AGDS_FOUND AND CIF_FOUND AND OPENCHAMS_FOUND)
     SET(IO_FOUND TRUE)
-ELSE(AGDS_FOUND AND OPENCHAMS_FOUND)
+ELSE(AGDS_FOUND AND CIF_FOUND AND OPENCHAMS_FOUND)
     SET(IO_FOUND FALSE)
-ENDIF(AGDS_FOUND AND OPENCHAMS_FOUND)
+ENDIF(AGDS_FOUND AND CIF_FOUND AND OPENCHAMS_FOUND)
 
 IF (NOT IO_FOUND)
     SET(IO_MESSAGE