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#! /usr/bin/perl -w
# Written by Dirk Stöcker <openstreetmap@dstoecker.de>
# Public domain, no rights reserved.
use strict;
my $rule_cond; # cumulated conditions from current rule
# This is a simple conversion and in no way a complete XML parser
# but it works with a default Perl installation
# Print a header to write valid Java code. No line break,
# so that the input and output line numbers will match.
print "class trans_style { void tr(String s){} void f() {";
while(my $line = <>)
{
chomp($line);
print "tr(\"\"); ";
if($line =~ /<rules\s+name=(".*?")/)
{
print "/* mappaint style named $1 */ tr($1);\n";
}
elsif($line =~ /<rule\s*>/)
{
$rule_cond = "";
print "/* $line */\n";
}
elsif($line =~ /<condition.*\s+k="([^"]*)"/)
{
my $cond_k = $1; # according to schema, k is always present
my $cond_v = ($line =~ /\s+v="([^"]*)"/) ? $1 : "";
my $cond_b = ($line =~ /\s+b="([^"]*)"/) ? $1 : "";
print STDERR "$0: Found both v=\"$cond_v\" and b=\"$cond_b\" for k=\"$cond_k\" at line $.\n" if ($cond_v && $cond_b);
my $cond = ($cond_v || $cond_b) ? "$cond_k=$cond_v$cond_b" : "$cond_k"; # v and b shouldn't appear both
if ($rule_cond)
{
$rule_cond .= ", " . $cond;
}
else
{
$rule_cond = $cond;
}
print "/* $line */\n";
}
elsif($line =~ /colour="([^"]+)#/)
{
if ($line =~ /\s+colour="([^"]+)#/)
{
my $c = $1;
my $co = $1;
$c =~ s/[^a-z0-9]+/./g;
print "/* color $co (applied for \"$rule_cond\") */ tr(\"$c\");";
}
if ($line =~ /\s+dashedcolour="([^"]+)#/)
{
my $c = $1;
my $co = $1;
$c =~ s/[^a-z0-9]+/./g;
print "/* color $co (applied for \"$rule_cond\") */ tr(\"$c\");";
}
print "\n";
}
else
{
print "/* $line */\n";
}
}
print "}}\n";
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