-# Time-stamp: "2003-04-18 22:03:06 AHDT"
+# Time-stamp: "2003-06-21 23:41:57 AHDT"
require 5;
package Locale::Maketext;
BEGIN { unless(defined &DEBUG) { *DEBUG = sub () {0} } }
# define the constant 'DEBUG' at compile-time
-$VERSION = "1.05";
+$VERSION = "1.06";
@ISA = ();
$MATCH_SUPERS = 1;
#
###########################################################################
+use Locale::Maketext::GutsLoader;
+
sub _http_accept_langs {
# Deal with HTTP "Accept-Language:" stuff. Hassle.
# This code is more lenient than RFC 3282, which you must read.
###########################################################################
-sub _compile {
- # This big scarp routine compiles an entry.
- # It returns either a coderef if there's brackety bits in this, or
- # otherwise a ref to a scalar.
-
- my $target = ref($_[0]) || $_[0];
-
- my(@code);
- my(@c) = (''); # "chunks" -- scratch.
- my $call_count = 0;
- my $big_pile = '';
- {
- my $in_group = 0; # start out outside a group
- my($m, @params); # scratch
-
- while($_[1] =~ # Iterate over chunks.
- m<\G(
- [^\~\[\]]+ # non-~[] stuff
- |
- ~. # ~[, ~], ~~, ~other
- |
- \[ # [ presumably opening a group
- |
- \] # ] presumably closing a group
- |
- ~ # terminal ~ ?
- |
- $
- )>xgs
- ) {
- print " \"$1\"\n" if DEBUG > 2;
-
- if($1 eq '[' or $1 eq '') { # "[" or end
- # Whether this is "[" or end, force processing of any
- # preceding literal.
- if($in_group) {
- if($1 eq '') {
- $target->_die_pointing($_[1], "Unterminated bracket group");
- } else {
- $target->_die_pointing($_[1], "You can't nest bracket groups");
- }
- } else {
- if($1 eq '') {
- print " [end-string]\n" if DEBUG > 2;
- } else {
- $in_group = 1;
- }
- die "How come \@c is empty?? in <$_[1]>" unless @c; # sanity
- if(length $c[-1]) {
- # Now actually processing the preceding literal
- $big_pile .= $c[-1];
- if($USE_LITERALS and (
- (ord('A') == 65)
- ? $c[-1] !~ m<[^\x20-\x7E]>s
- # ASCII very safe chars
- : $c[-1] !~ m/[^ !"\#\$%&'()*+,\-.\/0-9:;<=>?\@A-Z[\\\]^_`a-z{|}~\x07]/s
- # EBCDIC very safe chars
- )) {
- # normal case -- all very safe chars
- $c[-1] =~ s/'/\\'/g;
- push @code, q{ '} . $c[-1] . "',\n";
- $c[-1] = ''; # reuse this slot
- } else {
- push @code, ' $c[' . $#c . "],\n";
- push @c, ''; # new chunk
- }
- }
- # else just ignore the empty string.
- }
-
- } elsif($1 eq ']') { # "]"
- # close group -- go back in-band
- if($in_group) {
- $in_group = 0;
-
- print " --Closing group [$c[-1]]\n" if DEBUG > 2;
-
- # And now process the group...
-
- if(!length($c[-1]) or $c[-1] =~ m/^\s+$/s) {
- DEBUG > 2 and print " -- (Ignoring)\n";
- $c[-1] = ''; # reset out chink
- next;
- }
-
- #$c[-1] =~ s/^\s+//s;
- #$c[-1] =~ s/\s+$//s;
- ($m,@params) = split(",", $c[-1], -1); # was /\s*,\s*/
-
- # A bit of a hack -- we've turned "~,"'s into DELs, so turn
- # 'em into real commas here.
- if (ord('A') == 65) { # ASCII, etc
- foreach($m, @params) { tr/\x7F/,/ }
- } else { # EBCDIC (1047, 0037, POSIX-BC)
- # Thanks to Peter Prymmer for the EBCDIC handling
- foreach($m, @params) { tr/\x07/,/ }
- }
-
- # Special-case handling of some method names:
- if($m eq '_*' or $m =~ m<^_(-?\d+)$>s) {
- # Treat [_1,...] as [,_1,...], etc.
- unshift @params, $m;
- $m = '';
- } elsif($m eq '*') {
- $m = 'quant'; # "*" for "times": "4 cars" is 4 times "cars"
- } elsif($m eq '#') {
- $m = 'numf'; # "#" for "number": [#,_1] for "the number _1"
- }
-
- # Most common case: a simple, legal-looking method name
- if($m eq '') {
- # 0-length method name means to just interpolate:
- push @code, ' (';
- } elsif($m =~ m<^\w+(?:\:\:\w+)*$>s
- and $m !~ m<(?:^|\:)\d>s
- # exclude starting a (sub)package or symbol with a digit
- ) {
- # Yes, it even supports the demented (and undocumented?)
- # $obj->Foo::bar(...) syntax.
- $target->_die_pointing(
- $_[1], "Can't (yet?) use \"SUPER::\" in a bracket-group method",
- 2 + length($c[-1])
- )
- if $m =~ m/^SUPER::/s;
- # Because for SUPER:: to work, we'd have to compile this into
- # the right package, and that seems just not worth the bother,
- # unless someone convinces me otherwise.
-
- push @code, ' $_[0]->' . $m . '(';
- } else {
- # TODO: implement something? or just too icky to consider?
- $target->_die_pointing(
- $_[1],
- "Can't use \"$m\" as a method name in bracket group",
- 2 + length($c[-1])
- );
- }
-
- pop @c; # we don't need that chunk anymore
- ++$call_count;
-
- foreach my $p (@params) {
- if($p eq '_*') {
- # Meaning: all parameters except $_[0]
- $code[-1] .= ' @_[1 .. $#_], ';
- # and yes, that does the right thing for all @_ < 3
- } elsif($p =~ m<^_(-?\d+)$>s) {
- # _3 meaning $_[3]
- $code[-1] .= '$_[' . (0 + $1) . '], ';
- } elsif($USE_LITERALS and (
- (ord('A') == 65)
- ? $p !~ m<[^\x20-\x7E]>s
- # ASCII very safe chars
- : $p !~ m/[^ !"\#\$%&'()*+,\-.\/0-9:;<=>?\@A-Z[\\\]^_`a-z{|}~\x07]/s
- # EBCDIC very safe chars
- )) {
- # Normal case: a literal containing only safe characters
- $p =~ s/'/\\'/g;
- $code[-1] .= q{'} . $p . q{', };
- } else {
- # Stow it on the chunk-stack, and just refer to that.
- push @c, $p;
- push @code, ' $c[' . $#c . "], ";
- }
- }
- $code[-1] .= "),\n";
-
- push @c, '';
- } else {
- $target->_die_pointing($_[1], "Unbalanced ']'");
- }
-
- } elsif(substr($1,0,1) ne '~') {
- # it's stuff not containing "~" or "[" or "]"
- # i.e., a literal blob
- $c[-1] .= $1;
-
- } elsif($1 eq '~~') { # "~~"
- $c[-1] .= '~';
-
- } elsif($1 eq '~[') { # "~["
- $c[-1] .= '[';
-
- } elsif($1 eq '~]') { # "~]"
- $c[-1] .= ']';
-
- } elsif($1 eq '~,') { # "~,"
- if($in_group) {
- # This is a hack, based on the assumption that no-one will actually
- # want a DEL inside a bracket group. Let's hope that's it's true.
- if (ord('A') == 65) { # ASCII etc
- $c[-1] .= "\x7F";
- } else { # EBCDIC (cp 1047, 0037, POSIX-BC)
- $c[-1] .= "\x07";
- }
- } else {
- $c[-1] .= '~,';
- }
-
- } elsif($1 eq '~') { # possible only at string-end, it seems.
- $c[-1] .= '~';
-
- } else {
- # It's a "~X" where X is not a special character.
- # Consider it a literal ~ and X.
- $c[-1] .= $1;
- }
- }
- }
-
- if($call_count) {
- undef $big_pile; # Well, nevermind that.
- } else {
- # It's all literals! Ahwell, that can happen.
- # So don't bother with the eval. Return a SCALAR reference.
- return \$big_pile;
- }
-
- die "Last chunk isn't null??" if @c and length $c[-1]; # sanity
- print scalar(@c), " chunks under closure\n" if DEBUG;
- if(@code == 0) { # not possible?
- print "Empty code\n" if DEBUG;
- return \'';
- } elsif(@code > 1) { # most cases, presumably!
- unshift @code, "join '',\n";
- }
- unshift @code, "use strict; sub {\n";
- push @code, "}\n";
-
- print @code if DEBUG;
- my $sub = eval(join '', @code);
- die "$@ while evalling" . join('', @code) if $@; # Should be impossible.
- return $sub;
-}
-
-# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-
-sub _die_pointing {
- # This is used by _compile to throw a fatal error
- my $target = shift; # class name
- # ...leaving $_[0] the error-causing text, and $_[1] the error message
-
- my $i = index($_[0], "\n");
-
- my $pointy;
- my $pos = pos($_[0]) - (defined($_[2]) ? $_[2] : 0) - 1;
- if($pos < 1) {
- $pointy = "^=== near there\n";
- } else { # we need to space over
- my $first_tab = index($_[0], "\t");
- if($pos > 2 and ( -1 == $first_tab or $first_tab > pos($_[0]))) {
- # No tabs, or the first tab is harmlessly after where we will point to,
- # AND we're far enough from the margin that we can draw a proper arrow.
- $pointy = ('=' x $pos) . "^ near there\n";
- } else {
- # tabs screw everything up!
- $pointy = substr($_[0],0,$pos);
- $pointy =~ tr/\t //cd;
- # make everything into whitespace, but preseving tabs
- $pointy .= "^=== near there\n";
- }
- }
-
- my $errmsg = "$_[1], in\:\n$_[0]";
-
- if($i == -1) {
- # No newline.
- $errmsg .= "\n" . $pointy;
- } elsif($i == (length($_[0]) - 1) ) {
- # Already has a newline at end.
- $errmsg .= $pointy;
- } else {
- # don't bother with the pointy bit, I guess.
- }
- Carp::croak( "$errmsg via $target, as used" );
-}
-
-###########################################################################
-
my %tried = ();
# memoization of whether we've used this module, or found it unusable.
projects / p5sagit/p5-mst-13.2.git / blobdiff