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#!/usr/bin/env python
#
# Version: MPL 1.1 / GPLv3+ / LGPLv3+
#
# The contents of this file are subject to the Mozilla Public License Version
# 1.1 (the "License"); you may not use this file except in compliance with
# the License or as specified alternatively below. You may obtain a copy of
# the License at http://www.mozilla.org/MPL/
#
# Software distributed under the License is distributed on an "AS IS" basis,
# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
# for the specific language governing rights and limitations under the
# License.
#
# Major Contributor(s):
# Copyright (C) 2011 Marco Cecchetti <mrcekets@gmail.com>
#
# All Rights Reserved.
#
# For minor contributions see the git repository.
#
# Alternatively, the contents of this file may be used under the terms of
# either the GNU General Public License Version 3 or later (the "GPLv3+"), or
# the GNU Lesser General Public License Version 3 or later (the "LGPLv3+"),
# in which case the provisions of the GPLv3+ or the LGPLv3+ are applicable
# instead of those above.
#
import os, sys
MAX_LINES = 200
VARIABLE_NAME = 'aSVGScript'
def get_var_decl(n):
return 'static const char %s%d[] =' % ( VARIABLE_NAME, n )
script_name = os.path.basename( sys.argv[0] )
infile_name = sys.argv[1]
outfile_name = sys.argv[2]
# collect input JavaScript file lines
if( not os.path.isfile( infile_name ) ):
print '%s: error: file "%s" not found' % ( script_name, infile_name )
sys.exit( -1 )
infile = open( infile_name, 'r' )
in_lines = [line.rstrip() for line in infile.readlines()]
infile.close()
valid_lines=[]
is_multiline_comment = False
lineNumber = 0
emptyLineCount = 0
for line in in_lines:
lineNumber += 1
index = line.find('"')
if( index != -1 ):
print '%s: warning: processed file contains \'"\' at %d:%d' % ( script_name, lineNumber, index )
sline = line.strip()
# strip comment lines except multilines comments that begins with one '/' and exactly 5 '*'
if( is_multiline_comment and sline.endswith( '*/' ) ):
is_multiline_comment = False
continue
if( is_multiline_comment ):
continue
if( sline.startswith( '//' ) ):
continue
if( sline.startswith( '/*' ) and sline.endswith( '*/' ) ):
continue
if( ( sline.startswith( '/*' ) and not sline.startswith( '/*****' ) )
or sline.startswith( '/******' ) ):
is_multiline_comment = True
continue
# append a 4 spaces indentation to each line
escaped_line = ' %s' % line
escaped_line = escaped_line.rstrip()
# no more than 2 consecutive empty lines
if( escaped_line == '' ):
emptyLineCount += 1
else:
emptyLineCount = 0
if( emptyLineCount > 2 ):
continue
# append to some escape sequence another '\'
escaped_line = escaped_line.replace( '\\', '\\\\' )
escaped_line = escaped_line.replace( '\n', '\\n')
escaped_line = escaped_line.replace( '\t', '\\t' )
valid_lines.append( escaped_line )
# compute the number of needed fragments that is of C constant strings
total_valid_lines = len (valid_lines) + 2
total_fragments = total_valid_lines / MAX_LINES
if( ( total_valid_lines % MAX_LINES ) != 0 ):
total_fragments += 1
out_lines = []
out_lines.append( '' )
out_lines.append( '#define N_SVGSCRIPT_FRAGMENTS %d' % total_fragments )
out_lines.append( '' )
out_lines.append( get_var_decl( 0 ) )
out_lines.append( '"<![CDATA[\\n\\' )
i = 2
fragment = 0
for line in valid_lines:
out_lines.append( line + '\\n\\' )
if( i == MAX_LINES ):
i = 0
fragment += 1
out_lines.append( '";' )
out_lines.append( '' )
out_lines.append( get_var_decl( fragment ) )
out_lines.append( '"\\' )
i += 1
out_lines.append( ']]>";' )
out_lines.append( '' )
outfile = open( outfile_name, 'w' )
if( not os.path.isfile( outfile_name ) ):
print '%s: error: I cannot create file "%s"' % ( script_name, outfile_name )
sys.exit( -1 )
# C++ header
header_info = """
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* !! This file is auto-generated, do not edit !! */
"""
vim_setup = '/* vim:set shiftwidth=4 softtabstop=4 expandtab: */'
outfile.write( header_info +'\n' )
outfile.write( '\n' )
for line in out_lines:
outfile.write( line + '\n' )
outfile.write( '\n' )
outfile.write( '\n' )
outfile.write( vim_setup + '\n' )
outfile.close()
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