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Diffstat (limited to 'pwx/update_po_files.pl')
| -rwxr-xr-x | pwx/update_po_files.pl | 244 |
1 files changed, 244 insertions, 0 deletions
diff --git a/pwx/update_po_files.pl b/pwx/update_po_files.pl new file mode 100755 index 000000000..784ae4d5c --- /dev/null +++ b/pwx/update_po_files.pl @@ -0,0 +1,244 @@ +#!/usr/bin/perl -w + +# ================================================================ +# === ==> -------- HISTORY -------- <== === +# ================================================================ +# +# Version Date Maintainer Changes, Additions, Fixes +# 0.0.1 2017-03-12 sed, PrydeWorX First basic design +# +# ======================== +# === Little TODO list === +# ======================== +# +use strict; +use warnings; +use Cwd qw(getcwd abs_path); +use File::Basename; +use File::Find; +use Readonly; + +# ================================================================ +# === ==> ------ Help Text and Version ----- <== === +# ================================================================ +Readonly my $VERSION => "0.0.1"; ## Please keep this current! +Readonly my $VERSMIN => "-" x length($VERSION); +Readonly my $PROGDIR => dirname($0); +Readonly my $PROGNAME => basename($0); +Readonly my $WORKDIR => getcwd(); +Readonly my $USAGE_SHORT => "$PROGNAME <--help|path to po directory>"; +Readonly my $USAGE_LONG => qq# +elogind po file cleaner V$VERSION +-------------------------$VERSMIN + + Check all .po files in the given directory and comment out all lines + that refer to non-existent files. + +Usage : +------- + $USAGE_SHORT + +Options : +--------- + -h|--help | Print this help text and exit. +#; + +# ================================================================ +# === ==> -------- Global variables -------- <== === +# ================================================================ + +my $file_fmt = ""; ## Format string built from the longest file name in generate_file_list(). +my $main_result = 1; ## Used for parse_args() only, as simple $result is local everywhere. +my $po_file_path = ""; ## Path to where the .po files are to be found. +my $show_help = 0; +my @source_files = (); ## File list generated by generate_file_list() + + +# ================================================================ +# === ==> -------- Function list -------- <== === +# ================================================================ + +sub generate_file_list; ## Find all relevant files and store them in @wanted_files +sub parse_args; ## Parse ARGV for the options we support +sub wanted; ## Callback function for File::Find + + +# ================================================================ +# === ==> -------- Prechecks -------- <== == +# ================================================================ + +$main_result = parse_args(@ARGV); +( (!$main_result) ## Note: Error or --help given, then exit. + or ( $show_help and print "$USAGE_LONG" ) ) + and exit(!$main_result); +generate_file_list or exit 1; + + +# ================================================================ +# === ==> -------- = MAIN PROGRAM = -------- <== === +# ================================================================ + +for my $pofile (@source_files) { + printf("$file_fmt: ", $pofile); + + + # --- 1) Load the file --- + # ------------------------ + my @lIn = (); + if (open(my $fIn, "<", $pofile)) { + @lIn = <$fIn>; + close($fIn); + } else { + print "ERROR READING: $!\n"; + next; + } + + # --- 2) Copy @lIn to @lOut, commenting out all parts --- + # --- belonging to files that do not exist. --- + # ------------------------------------------------------- + my $count = 0; + my $in_block = 0; ## 1 if in commented out block + my @lOut = (); + my $was_block = 0; ## save in_block, so we know when to add elogind masks + for my $line (@lIn) { + chomp $line; + + # in_block switches are done on file identifications lines, which look like + # this : "#: ../src/import/org.freedesktop.import1.policy.in.h:2" + if ($line =~ m/^#:\s+([^:]+):\d+/) { + # Note: There might be two file references, if the transalted text spans + # more than one line. The second path is the same as the first, so + # it is sufficient not to end the regex with '$' here. + my $altfile = substr($1, 0, -2); ## .in files have an extra '.h' attached + $was_block = $in_block; + $in_block = (-f $po_file_path . "/" . $1) || (-f $po_file_path . "/" . $altfile) ? 0 : 1; + $in_block and ++$count; + } + + # If the in_block switches, add elogind mask start or end + if ($was_block != $in_block) { + $was_block + and push(@lOut, "#endif // 0\n") + or push(@lOut, "#if 0 /// UNNEEDED by elgoind"); + $was_block = $in_block; + } + + # If we are in block, comment out the line: + $in_block and $line = "# $line"; + + # Now push the line, it is ready. + push(@lOut, $line); + } ## End of line copying + + # Make sure to end the last block + $in_block and push(@lOut, "#endif // 0\n"); + + # --- 3) Overwrite the input file with the adapted text. --- + # ---------------------------------------------------------- + if (open(my $fOut, ">", $pofile)) { + for my $line (@lOut) { + print $fOut "$line\n"; + } + close($fOut); + print "$count blocks masked\n"; + } else { + print "ERROR WRITING: $!\n"; + } +} ## End of main loop + + +# =========================== +# === END OF MAIN PROGRAM === +# =========================== + + +# ================================================================ +# === ==> ---- Function Implementations ---- <== === +# ================================================================ + + +# ----------------------------------------------------------------------- +# --- Finds all relevant files and store them in @wanted_files --- +# --- Returns 1 on success, 0 otherwise. --- +# ----------------------------------------------------------------------- +sub generate_file_list { + + # Use File::Find to search for .po files: + find(\&wanted, "$po_file_path"); + + # Just to be sure... + scalar @source_files + or print("ERROR: No source files found? Where the hell are we?\n") + and return 0; + + # Get the maximum file length and build $file_fmt + my $mlen = 0; + for my $f (@source_files) { + length($f) > $mlen and $mlen = length($f); + } + $file_fmt = sprintf("%%-%d%s", $mlen, "s"); + + return 1; +} + + +# ----------------------------------------------------------------------- +# --- parse the given list for arguments. --- +# --- returns 1 on success, 0 otherwise. --- +# --- sets global $show_help to 1 if the long help should be printed. --- +# ----------------------------------------------------------------------- +sub parse_args { + my @args = @_; + my $result = 1; + + for (my $i = 0; $i < @args; ++$i) { + + # Check for -h|--help option + # ------------------------------------------------------------------------------- + if ($args[$i] =~ m/^-(?:h|-help)$/) { + $show_help = 1; + } + + # Check for unknown options: + # ------------------------------------------------------------------------------- + elsif ($args[$i] =~ m/^-/) { + print "ERROR: Unknown option \"$args[$1]\" encountered!\n\nUsage: $USAGE_SHORT\n"; + $result = 0; + } + + # Everything else is considered to the path to the .po files + # ------------------------------------------------------------------------------- + else { + # But only if it is not set, yet: + if (length($po_file_path)) { + print "ERROR: Superfluous po file path \"$args[$i]\" found!\n\nUsage: $USAGE_SHORT\n"; + $result = 0; + next; + } + if ( ! -d "$args[$i]") { + print "ERROR: po file path \"$args[$i]\" does not exist!\n\nUsage: $USAGE_SHORT\n"; + $result = 0; + next; + } + $po_file_path = $args[$i]; + } + } ## End looping arguments + + # If we have no upstream path now, show short help. + if ($result && !$show_help && !length($po_file_path)) { + print "ERROR: Please provide a path to the po files!\n\nUsage: $USAGE_SHORT\n"; + $result = 0; + } + + return $result; +} ## parse_srgs() end + + +# Callback function for File::Find +sub wanted { + -f $_ and ($_ =~ m/\.po$/ ) + and push @source_files, $File::Find::name; + return 1; +} + + |