from __future__ import print_function, division

"""This python program converts various parts of glowscript from the most

convenient format for modification into the most convenient format for

deployment.

* Take shaders from shaders/*.shader and combine them into lib/glow/shaders.gen.js

TODO

* Come up with a less painful model for development than running this after every change

* Combine and minify lib/*.js into ide.min.js, run.min.js, and embed.min.js

"""

from glob import glob

import re, os, subprocess

shader_file = ["Export({ shaders: {"]

for fn in glob("shaders/*.shader"):

name = re.match(r"^shaders[/\\]([^.]+).shader$", fn).group(1)

f = open(fn, "rt").read()

shader_file.append( '"' + name + '":' + repr(f) + "," )

shader_file.append("}});")

shader_file = "\n".join(shader_file)

open("lib/glow/shaders.gen.js", "wb").write(shader_file)

version = "1.2dev"

# TODO: Extract this information from run.js

glowscript_libraries = {

"run": [

"../lib/jquery/jquery.mousewheel.js",

"../lib/flot/jquery.flot.min.js",

"../lib/flot/jquery.flot.crosshair_GS.js",

"../lib/glMatrix.js",

"../lib/webgl-utils.js",

"../lib/glow/property.js",

"../lib/glow/vectors.js",

"../lib/glow/mesh.js",

"../lib/glow/canvas.js",

"../lib/glow/orbital_camera.js",

"../lib/glow/autoscale.js",

"../lib/glow/WebGLRenderer.js",

"../lib/glow/graph.js",

"../lib/glow/color.js",

"../lib/glow/primitives.js",

"../lib/glow/api_misc.js",

"../lib/glow/shaders.gen.js"

],

"compile": [

"../lib/compiler.js",

"../lib/papercomp.js",

"../lib/transform-all.js",

"../lib/coffee-script.js"],

"RSrun": [

"../lib/rapydscript/stdlib.js"

],

"RScompile": [

"../lib/compiler.js",

"../lib/papercomp.js",

"../lib/transform-all.js",

"../lib/rapydscript/baselib.js",

"../lib/rapydscript/utils.js",

"../lib/rapydscript/ast.js",

"../lib/rapydscript/output.js",

"../lib/rapydscript/parse.js"],

"ide": []

}

def combine(inlibs):

all = [

"/*This is a combined, compressed file. Look at https://github.com/BruceSherwood/glowscript for source code and copyright information.*/",

";(function(){})();"

]

for fn in inlibs:

if fn.startswith("../"): fn = fn[3:]

all.append( open(fn, "rt").read() )

return "\n".join(all)

def minify(inlibs, inlibs_nomin, outlib):

all = combine(inlibs)

outf = open(outlib, "wb")

if True: # minify if True

env = os.environ.copy()

env["NODE_PATH"] = "build-tools/UglifyJS"

uglify = subprocess.Popen( "build-tools/node.exe build-tools/UglifyJS/bin/uglifyjs",

stdin=subprocess.PIPE,

stdout=outf,

env=env

)

uglify.communicate( all )

rc = uglify.wait()

print("uglify " + outlib + ":", rc)

if rc != 0:

print("Something went wrong")

else:

outf.write(all)

outf.write( combine(inlibs_nomin) )

outf.close()

minify( glowscript_libraries["run"], [], "package/glow." + version + ".min.js" )

print('Finished glow run-time package')

minify( glowscript_libraries["compile"], [], "package/compiler." + version + ".min.js" )

print('Finished compiler package')

minify( glowscript_libraries["RSrun"], [], "package/RSrun." + version + ".min.js" )

print('Finished RapydScript run-time package')

minify( glowscript_libraries["RScompile"], [], "package/RScompiler." + version + ".min.js" )

print('Finished GlowScript package')