parser.py

import xml.etree.ElementTree as ET
import os.path as path
import os
import sys

tree = ET.parse(sys.argv[1])
root = tree.getroot()

def tryfind(src, what):
    ls = os.listdir(src)
    normlist = list(map(lambda name: name.lower(), ls))
    
    if (what.lower() in normlist):
        return ls[normlist.index(what.lower())]
    return None

def findres(src, name):
    found = None
    if (path.dirname(name) == ""):
        if (name in os.listdir(path.dirname(src))):
            found = path.dirname(src) + "/" + name
    else:
        if (path.basename(name) in os.listdir(path.dirname(name))):
            found = name
    return found

known = {}

def findandcheck(src, parent, element, attribute):
    for tag in parent:
        if (tag.tag == element):
            if not (attribute in tag.attrib):
                print("\033[91m[ERR!]\033[0m: Tag <" + tag.tag + "> is missing attribute " + attribute + " in " + src)
                continue
            texture = tag.attrib[attribute]
            if not (texture in known) and (findres(src, texture) is None):
                ignorecase = None
                if (path.dirname(texture) != ""):
                    if (path.dirname(texture) == path.dirname(src)):
                        print("\033[93m[WARN]\033[0m: Path \"" + texture + "\" can be relative in " + src)
                    ignorecase = tryfind(path.dirname(texture), path.basename(texture))
                else:
                    ignorecase = tryfind(path.dirname(src), texture)
                if (ignorecase is None):
                    print("\033[91m[ERR!]\033[0m: Missing file " + texture + " in " + src)
                else:
                    print("\033[91m[ERR!]\033[0m: File \"" + texture + "\" was found, but it has incorrect case (should be \"" + ignorecase + "\") in " + src)
                known[texture] = True
        else:
            findandcheck(src, tag, element, attribute)

def parsedef(src):
    if (not path.exists(src)):
        raise FileNotFoundError("File \"" + src + "\" does not exist!")
        return
    print("Parsing  \"" + src + "\":")
    tree = ET.parse(src)
    root = tree.getroot()
    findandcheck(src, root, "Sprite", "texture")
    findandcheck(src, root, "sprite", "texture")
    findandcheck(src, root, "Blip", "texture")
    findandcheck(src, root, "ScreenOverlay", "texture")
    findandcheck(src, root, "sound", "file")


for child in root:
    if (child.tag == "Executable"):
        continue

    if ("file" in child.attrib):
        parsedef(child.attrib["file"])
    else:
        print("\033[91m[ERR!]\033[0m: tag <" + child.tag + "> is missing file attribute!")