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path: root/gui/themes/scummtheme.py
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#!/usr/bin/env python
# encoding: utf-8
import sys
import re
import os
import zipfile

THEME_FILE_EXTENSIONS = ('.stx', '.bmp', '.fcc', '.ttf')

def buildTheme(themeName):
	if not os.path.isdir(themeName) or not os.path.isfile(os.path.join(themeName, "THEMERC")):
		print ("Invalid theme name: " + themeName)
		return

	zf = zipfile.ZipFile(themeName + ".zip", 'w')

	print ("Building '" + themeName + "' theme:")
	os.chdir(themeName)

	zf.write('THEMERC', './THEMERC')

	for filename in os.listdir('.'):
		if os.path.isfile(filename) and not filename[0] == '.' and filename.endswith(THEME_FILE_EXTENSIONS):
			zf.write(filename, './' + filename)
			print ("    Adding file: " + filename)

	os.chdir('../')

	zf.close()

def buildAllThemes():
	for f in os.listdir('.'):
		if os.path.isdir(os.path.join('.', f)) and not f[0] == '.':
			buildTheme(f)

def parseSTX(theme_file, def_file):
	comm = re.compile("<!--(.*?)-->", re.DOTALL)
	head = re.compile("<\?(.*?)\?>")

	strlitcount = 0
	output = ""
	for line in theme_file:
		output +=  line.rstrip("\r\n\t ").lstrip()
		if not output.endswith('>'):
			output += ' '
		output += "\n"

	output = re.sub(comm, "", output)
	output = re.sub(head, "", output)
	output = output.replace("\t", " ").replace("  ", " ").replace("\"", "'")
	output = output.replace(" = ", "=").replace(", ", ",")

	for line in output.splitlines():
		if line and not line.isspace():
			strlitcount += len(line)
			def_file.write("\"" + line + "\"\n")
	return strlitcount

def buildDefTheme(themeName):
	def_file = open("default.inc", "w")

	if not os.path.isdir(themeName):
		print ("Cannot open default theme dir.")

	def_file.write(""" "<?xml version = '1.0'?>"\n""")
	strlitcount = 24

	for filename in os.listdir(themeName):
		filename = os.path.join(themeName, filename)
		if os.path.isfile(filename) and filename.endswith(".stx"):
			theme_file = open(filename, "r")
			strlitcount += parseSTX(theme_file, def_file)
			theme_file.close()

	def_file.close()

	if strlitcount > 65535:
		print("WARNING: default.inc string literal is of length %d which exceeds the" % strlitcount)
		print("         maximum length of 65536 that C++ compilers are required to support.")
		print("         It is likely that bugs will occur dependent on compiler behaviour.")
		print("         To avoid this, reduce the size of the theme.")

def printUsage():
	print ("===============================")
	print ("ScummVM Theme Generation Script")
	print ("===============================")
	print ("Usage:")
	print ("scummtheme.py makeall")
	print ("    Builds all the available themes.\n")
	print ("scummtheme.py make [themename]")
	print ("    Builds the theme called 'themename'.\n")
	print ("scummtheme.py default [themename]")
	print ("    Creates a 'default.inc' file to embed the given theme in the source code.\n")

def main():

	if len(sys.argv) == 2 and sys.argv[1] == "makeall":
		buildAllThemes()

	elif len(sys.argv) == 3 and sys.argv[1] == "make":
		buildTheme(sys.argv[2])

	elif len(sys.argv) == 3 and sys.argv[1] == "default":
		buildDefTheme(sys.argv[2])

	else:
		printUsage()

if __name__ == "__main__":
	sys.exit(main())