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#! /usr/bin/env python3
import sys
import re
import dataclasses
@dataclasses.dataclass()
class Driver:
name: str
description: str
files: list[str] = dataclasses.field(default_factory=list)
licence_name: str = None
licence_file: str = None
def prime(fn):
def wrapper(*args, **kwargs):
v = fn(*args, **kwargs)
v.send(None)
return v
return wrapper
class Parser:
def __init__(self):
self.state_new_device = self.parse_new_device()
self.state_files = self.parse_files()
self.state_licence = self.parse_licence()
self.state = self.state_new_device
self.driver = None
self.drivers = {}
def send(self, line):
try:
self.state.send(line)
except StopIteration:
self.stopped = True
@prime
def parse_new_device(self):
while True:
line = yield
m = re.match(r"Driver: *(?P<name>\S*)[ -]*(?P<description>.+)?", line)
if m:
name, description = m.groups()
try:
self.driver = self.drivers[name]
except KeyError:
self.driver = Driver(name, description)
self.drivers[name] = self.driver
self.state = self.state_files
@prime
def parse_files(self):
while True:
line = yield
if line.startswith("------"):
self.state = self.state_new_device
continue
m = re.match(r"(?:RawFile|File):\s*(.+)", line)
if m:
# TODO: also need to handle escapes?
self.driver.files.append(m.group(1).strip('"'))
continue
m = re.match(r"Link:\s*(.+)", line)
if m:
linkname, target = m.group(1).split("->")
linkname = linkname.strip().replace(r"\ ", " ")
self.driver.files.append(linkname)
continue
m = re.match(r"Licen[cs]e:", line)
if m:
self.state = self.state_licence
self.state.send(line)
continue
@prime
def parse_licence(self):
while True:
line = yield
if line.startswith("------"):
self.state = self.state_new_device
continue
m = re.match(r"Licen[cs]e: *Redistributable.*(LICEN[CS]E\.(\S+?)(?:\.txt)?) for details", line)
if m:
self.driver.licence_name = m.group(2)
self.driver.licence_file = m.group(1)
self.state = self.state_files
continue
# TODO handle inline
def parse(self, filename):
with open(filename) as f:
for line in f:
self.send(line.strip())
return self.drivers.values()
if __name__ == "__main__":
parser = Parser()
drivers = parser.parse(sys.argv[1])
print(f"Parsed {len(drivers)} drivers")
for d in drivers:
print(f"{d.name} ({d.description})")
print(d.files)
print(d.licence_file)
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