#!/usr/local/apps/bin/python
import os, sys, string

#
# Get the output of a command as a tuple of strings.
#
def GetFilenames(command):
    p = os.popen(command)
    files = p.readlines()
    p.close()
    return files

#
# Get a list of all files that have a .code extension and contain "CreateNode".
# 
def GetCreateNodeFiles():
    files = GetFilenames("grep -i CreateNode */*.code")
    retval = []
    for f in files:
        index = string.find(f, ':')
        if(index != -1):
            astr = f[:index]
            if(astr not in retval):
                retval = retval + [astr]
    return retval

#
# Execute a command. It's wrapped for debugging.
#
def systemCommand(command):
    print command
    return os.system(command)

###############################################################################
#
# Purpose: This program regenerates all of the state objects in this directory
#          by first checking out the XML files and then calling xml2atts.
#
# Programmer: Brad Whitlock
# Date:       Tue May 20 10:00:56 PDT 2003
#
# Modifications:
#
###############################################################################

def main(exeDir):
    # Get the names of the XML files in this directory.
    files = GetFilenames("ls */*.xml")

    # Check out each XML file and regenerate the C and h files.
    for f in files:
        index = string.find(f, "/")
        dirName = ""
        if(index == -1):
            continue
        else:
            dirName = f[:index]
            os.chdir(dirName)

        bname = f[index+1:-5]
        command = "%s/xml2atts -clobber %s.xml" % (exeDir,bname)
        systemCommand(command)

        # Go back up
        os.chdir("..")

    # Warn about files that have special CreateNode functions.
    cnfiles = GetCreateNodeFiles()
    if(len(cnfiles) > 0):
        print "***"
        print "*** The following code files have special CreateNode methods."
        print "*** These .code files may need to be updated:"
        print "***"
        for f in cnfiles:
            print f

    return 0

#
# Call the main function
#
if len(sys.argv) > 1:
    main(sys.argv[1])
else:
    print "usage: regenerateatts.py /path/to/xml2atts"