#!/usr/bin/env python3
#
# Lists localizable CPP files.
# Excludes files in .git folders.
#
# Syntax:
# FINDCPP DOMAIN --initialdomain INITIAL_DOMAIN
#
# --initialdomain: Files without an explicit domain default to this value.

import argparse
import glob
import re
from pathlib import Path

if __name__ == '__main__':
    ap = argparse.ArgumentParser()
    ap.add_argument('domain') # Single positional argument
    ap.add_argument('--initialdomain', dest='initdom') # Optional
    args = ap.parse_args()
    # Whether the input string has any explicit text domain.
    any_regexp = re.compile("^#define  *GETTEXT_DOMAIN", re.MULTILINE)
    # Whether the input string has defined args.domain as its text domain.
    domain_regexp = re.compile("^#define  *GETTEXT_DOMAIN  *\"" + re.escape(args.domain) + "\"", re.MULTILINE)
    cpp_files = glob.glob("src/**/*.cpp", recursive=True)
    # Apparently, some people insist in adding translatable strings to header files (6bf76d940).
    cpp_files.extend(glob.glob("src/**/*.hpp", recursive=True))
    cpp_files.sort()
    for p in cpp_files:
        # In Windows, glob search yields paths with mixed separators (/\).
        path = Path(p)
        # Exclude any .git subdirectories.
        if ".git" in path.parts:
            continue
        content = path.read_text(encoding='utf8')

        # For the default domain, first check that there is no domain defined,
        # but still search for domain_regexp otherwise.
        if args.domain == args.initdom and not re.search(any_regexp, content):
            # Produce output with / only.
            print(path.as_posix())
        elif re.search(domain_regexp, content):
            # Produce output with / only.
            print(path.as_posix())