#

# Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

# All rights reserved.

# This component and the accompanying materials are made available

# under the terms of "Eclipse Public License v1.0"

# which accompanies this distribution, and is available

# at the URL "http://www.eclipse.org/legal/epl-v10.html".

#

# Initial Contributors:

# Nokia Corporation - initial contribution.

#

# Contributors:

#

# Description: 

#

import os

class HeaderWriter(object):

    def __init__(self,output_file, output_obj):

        self.output_obj = output_obj

        self.output_file = output_file

    def write(self):

        header_guard = os.path.basename(self.output_file).upper()

        header_guard = header_guard.replace('/', '_').replace('\\', '_').replace('.', '_')

        lines = [

            "#ifndef %s" % header_guard,

            "#define %s" % header_guard,

            "",

            "#include <hcr.h>",

            "",

        ]

        # Sort by category UID to make testing easier

        categories = sorted(self.output_obj.categories, key=lambda c: c.category_uid)

        for i, category in enumerate(categories):

            lines.append('const HCR::TCategoryUid %s = 0x%08X;' % (category.name, category.category_uid))

            lines.append('')

            # Again, sort for testability

            settings = sorted(category.settings, key=lambda s: s.id)

            max_name_len = max([len(s.name) for s in settings])

            format = "const HCR::TElementId %%-%ds = 0x%%08X;" % max_name_len

            for setting in settings:

                if setting.comment: lines.append("// %s" % setting.comment)

                lines.append(format % (setting.name, setting.id))

            if i + 1 != len(categories):

                lines.append('')

                lines.append('// ' + 70 * '-')

                lines.append('')

        lines.extend([

            "",

            "#endif",

        ])

        f = open(self.output_file, 'wb')

        try:        f.write(os.linesep.join(lines))

        finally:    f.close()