OLD=langtools-7
OLD_URL=http://hg.openjdk.java.net/jdk7/jdk7/langtools/
NEW=langtools-8u
NEW_URL=http://hg.openjdk.java.net/jdk8u/jdk8u/langtools/

# The package renames
declare -A renames
renames[org.eclipse.ceylon.javax.annotation.processing]=javax.annotation.processing
renames[org.eclipse.ceylon.javax.lang.model]=javax.lang.model
renames[org.eclipse.ceylon.javax.tools]=javax.tools
renames[org.eclipse.ceylon.langtools.source]=com.sun.source
renames[org.eclipse.ceylon.langtools.tools.javac]=com.sun.tools.javac
renames[org.eclipse.ceylon.langtools.classfile]=com.sun.tools.classfile

# The inverse mapping of those renames
declare -A rev_renames
for c in "${!renames[@]}"
do
  rev_renames[${renames[$c]}]=$c
done

# Refactors sources from one package name to another
function renamePackage {
    SRC_DIR=$1

    CEYLON_PACKAGE=$2
    JDK_PACKAGE=$3
    declare -n mapping=$4
    
    CEYLON_DIR=$(echo $CEYLON_PACKAGE | sed 's#\.#/#g')
    JDK_DIR=$(echo $JDK_PACKAGE | sed 's#\.#/#g')
    
    #echo $JDK_DIR 

    CEYLON_PACKAGE_RE=$(echo $CEYLON_PACKAGE | sed 's#\.#\\.#g')
    #JDK_PACKAGE_RE=$(echo $JDK_PACKAGE | sed 's#\.#\\.#g')

    #echo $CEYLON_PACKAGE_RE

    # Move the files
    mkdir -p "${SRC_DIR}/$(dirname ${JDK_DIR})"
    #cp -r ${SRC_DIR}/${CEYLON_DIR} \
    #      ${SRC_DIR}/${JDK_DIR}
    mv "${SRC_DIR}/${CEYLON_DIR}" "${SRC_DIR}/${JDK_DIR}"
    # Fix the package declaration
    #find ${SRC_DIR}/${JDK_DIR} -name '*.java' -exec sed -i -r "s/^package ${CEYLON_PACKAGE_RE}(.*);/package ${JDK_PACKAGE}\1;/" {} \;

    for c in "${!mapping[@]}"
    do
        RE=$(echo $c | sed 's#\.#\\.#g')
        J=${mapping[$c]}
        #echo "s/$RE([a-zA-Z0-8_]*)/$J\1/g"
        # Fix the imports
        find ${SRC_DIR}/${JDK_DIR} -name '*.java' -exec sed -i -r "s/$RE([a-zA-Z0-8_]*)/$J\1/g" {} \;
    done
    #find ${SRC_DIR}/${JDK_DIR} -name '*.java' -exec sed -i -r 's/^import org\.eclipse\.ceylon.(.*);/import \1;/g' {} \;
}