#!/bin/bash

# This file generates all project files based on sources.list, so everyone who
#  can start a bash process, can update the project files.

ROOT_DIR="`pwd`/.."
if ! [ -e "$ROOT_DIR/source.list" ]
then
	ROOT_DIR="`pwd`"
fi
if ! [ -e "$ROOT_DIR/source.list" ]
then
	echo "Can't find source.list, needed in order to make this run. Please go to either"
	echo " the project dir, or the root dir of a clean SVN checkout."
	exit 1
fi

# openttd_vs80.sln    is for MSVC 2005
# openttd_vs80.vcproj is for MSVC 2005
# langs_vs80.vcproj   is for MSVC 2005
# strgen_vs80.vcprojc is vor MSVC 2005

# openttd.sln         is for MSVC 2003
# openttd.vcproj      is for MSVC 2003
# langs.vcproj        is for MSVC 2003
# strgen.vcproj       is for MSVC 2003

# openttd.tgt         is for WatCom



# First, collect the list of Windows files
sdl_config="1"
os="MSVC"
enable_dedicated="0"
with_cocoa="0"
enable_directmusic="1"
file_prefix="..\\\\src\\\\"

load_main_data() {
	# Read the source.list and process it
	RES="`cat $1 | tr '\r' '\n' | awk '
		/^(	*)#end/  { if (deep == skip) { skip -= 1; } deep -= 1; next; }
		/^(	*)#else/ { if (deep == skip) { skip -= 1; } else if (deep - 1 == skip) { skip += 1; } next; }
		/^(	*)#if/   {
			gsub("	", "", $0);
			gsub("^#if", "", $0);
			gsub("^ ", "", $0);

			if (deep != skip) { deep += 1; next; }

			deep += 1;

			if ($0 == "SDL"         && "'$sdl_config'" == "")          { next; }
			if ($0 == "OSX"         && "'$os'" != "OSX")               { next; }
			if ($0 == "OS2"         && "'$os'" != "OS2")               { next; }
			if ($0 == "PSP"         && "'$os'" != "PSP")               { next; }
			if ($0 == "DEDICATED"   && "'$enable_dedicated'" != "1")   { next; }
			if ($0 == "COCOA"       && "'$with_cocoa'" == "0")         { next; }
			if ($0 == "BEOS"        && "'$os'" != "BEOS")              { next; }
			if ($0 == "WIN32"       && "'$os'" != "MINGW" &&
											"'$os'" != "CYGWIN" && "'$os'" != "MSVC" ) { next; }
			if ($0 == "WINCE"       && "'$os'" != "WINCE")             { next; }
			if ($0 == "MSVC"        && "'$os'" != "MSVC")              { next; }
			if ($0 == "DIRECTMUSIC" && "'$enable_directmusic'" != "1") { next; }
			if ($0 == "LIBTIMIDITY" && "'$libtimidity'" == "" )        { next; }

			skip += 1;

			next;
		}
		/^(	*)#/ {
			if (deep == skip) {
				gsub("	", "", $0);
				gsub("^#", "", $0);
				gsub("^ ", "", $0);

				if (first_time != 0) {
					print "		</Filter>";
				} else {
					first_time = 1;
				}

				print "		<Filter";
				print "			Name=\\""$0"\\"";
				print "			Filter=\\"\\">";
			}

			next;
		}
		/^$/ { next }
		{
			if (deep == skip) {
				gsub("	", "", $0);
				gsub("/", "\\\\", $0);
				print "			<File";
				print "				RelativePath=\\".\\\\'$file_prefix'"$0"\\">";
				print "			</File>";
			}
		}
		END { print "		</Filter>"; }
	'`"

	eval "$2=\"\$RES\""
}

load_lang_data() {
	RES=""
	for i in `ls $1`
	do
		i=`basename $i | sed s/.txt$//g`
		RES="$RES
		<File
			RelativePath=\"..\\src\\lang\\"$i".txt\">
			<FileConfiguration
				Name=\"Debug|Win32\">
				<Tool
					Name=\"VCCustomBuildTool\"
					Description=\"Generating "$i" language file\"
					CommandLine=\"..\\objs\\strgen\\strgen.exe -s ..\\src\\lang -d ..\\bin\\lang &quot;\$(InputPath)&quot;&#x0D;&#x0A;\"
					AdditionalDependencies=\"\"
					Outputs=\"..\\bin\\lang\\"$i".lng\"/>
			</FileConfiguration>
		</File>"
	done

	eval "$2=\"\$RES\""
}

generate() {
	echo "Generating $2..."
	# Everything above the !!FILES!! marker
	cat "$ROOT_DIR/projects/$2".in | tr '\r' '\n' | awk '
		/^$/ { next }
		/!!FILES!!/ { stop = 1; }
		{
			if (stop == 0) { print $0 }
		}
	' > "$ROOT_DIR/projects/$2"

	# The files-list
	echo "$1" | awk -v type="$3" '
		/&#x0D;&#x0A;/ {
			if (type == "msvc2003") gsub("&#x0D;&#x0A;", "\n", $0);
		}
		/Filter="">/ {
			if (type == "msvc2005") gsub("Filter=\"\">", ">", $0);
		}
		/"\/>/ {
			if (type == "msvc2005") gsub("/>", "\n" substr($0, 1, index($0, $1) - 2) "/>", $0);
		}
		/">/ {
			if (type == "msvc2005") gsub(">", "\n" substr($0, 1, index($0, $1) - 1) ">", $0);
		}
		{ print $0 }
	' >> "$ROOT_DIR/projects/$2"

	# Everything below the !!FILES!! marker
	cat "$ROOT_DIR/projects/$2".in | tr '\r' '\n' | awk '
		BEGIN { stop = 1; }
		/^$/ { next }
		/!!FILES!!/ { stop = 2; }
		{
			if (stop == 0) { print $0 }
			if (stop == 2) { stop = 0 }
		}
	' >> "$ROOT_DIR/projects/$2"
}

load_main_data "$ROOT_DIR/source.list" openttd
load_lang_data "$ROOT_DIR/src/lang/*.txt" lang

generate "$openttd" "openttd.vcproj"      "msvc2003"
generate "$openttd" "openttd_vs80.vcproj" "msvc2005"
generate "$lang" "langs.vcproj"           "msvc2003"
generate "$lang" "langs_vs80.vcproj"      "msvc2005"