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# Copyright 2008 Eduardo Gurgel
#
# Distributed under the Boost Software License, Version 1.0. (See
# accompanying file LICENSE_1_0.txt or copy at
# http://www.boost.org/LICENSE_1_0.txt)
#

# Support for creating components for the Tntnet web application
# server (http://tntnet.org)
#
# Example:
#
#   using tntnet : /usr ;
#   lib index : index.png index.js index.css index.ecpp otherclass.cpp
#   /tntnnet//tntnet /tntnet//cxxtools ;
#
#

import modules ;
import feature ;
import errors ;
import "class" : new ;
import generators ;
import project ;
import toolset : flags ;
import os ;
import virtual-target ;
import scanner ;
import type ;

type.register ECPP : ecpp ;
type.register JPEG : jpeg ;
type.register JPG : jpg ;
type.register PNG : png ;
type.register JS : js ;
type.register CSS : css ;
type.register GIF : gif ;

project.initialize $(__name__) ;
project tntnet ;

# Save the project so that we tolerate 'import + using' combo.
.project = [ project.current ] ;
# Initialized the Tntnet support module. The 'prefix' parameter 
# tells where Tntnet is installed.
rule init ( prefix : full_bin ? : full_inc ? : full_lib ? )
{
    project.push-current $(.project) ;

    # pre-build paths to detect reinitializations changes
    local inc_prefix lib_prefix bin_prefix ;
    if $(full_inc)
    {
        inc_prefix = $(full_inc) ; 
    }
    else
    {
        inc_prefix = $(prefix)/include ;
    }
    if $(full_lib)
    {
        lib_prefix = $(full_lib) ;
    }
    else
    {
        lib_prefix = $(prefix)/lib ;
    }
    if $(full_bin)
    {
        bin_prefix = $(full_bin) ;
    }
    else
    {
        bin_prefix = $(prefix)/bin ;
    }

    if $(.initialized)
    {
        if $(prefix) != $(.prefix)
        {
            errors.error
                "Attempt the reinitialize Tntnet with different installation prefix" ;
        }
        if $(inc_prefix) != $(.incprefix)
        {
            errors.error
                "Attempt the reinitialize Tntnet with different include path" ;
        }
        if $(lib_prefix) != $(.libprefix)
        {
            errors.error
                "Attempt the reinitialize Tntnet with different library path" ;
        }
        if $(bin_prefix) != $(.binprefix)
        {
            errors.error
                "Attempt the reinitialize Tntnet with different bin path" ;
        }
    }
    else
    {
        .initialized = true ;
        .prefix = $(prefix) ;

        # Setup prefixes for include, binaries and libs.
        .incprefix = $(.prefix)/include ;
        .libprefix = $(.prefix)/lib ;
        .binprefix = $(.prefix)/bin ;

        # Generates cpp files from ecpp files using "ecppc" tool
        generators.register-standard tntnet.ecpp : ECPP : CPP ;
        # Generates cpp files from jpeg files using "ecppc" tool
        generators.register-standard tntnet.jpeg : JPEG : CPP ;
        # Generates cpp files from jpg files using "ecppc" tool
        generators.register-standard tntnet.jpg : JPG : CPP ;
        # Generates cpp files from png files using "ecppc" tool
        generators.register-standard tntnet.png : PNG : CPP ;
        # Generates cpp files from js files using "ecppc" tool
        generators.register-standard tntnet.js : JS : CPP ;
        # Generates cpp files from gif files using "ecppc" tool
        generators.register-standard tntnet.gif : GIF : CPP ;
        # Generates cpp files from css files using "ecppc" tool
        generators.register-standard tntnet.css : CSS : CPP ;
      	# Scanner for ecpp includes
        type.set-scanner ECPP : ecpp-scanner ;

	
	local usage-requirements =
		<include>$(.incprefix)
		<library-path>$(.libprefix)
		<dll-path>$(.libprefix)
		<threading>multi
		<allow>tntnet ;
	lib cxxtools : $(main)
		:
		:
		: 
		<include>$(.incprefix)/cxxtools
		$(usage-requiriments) 
		;
	lib tntnet : $(main)
		:
		:
		: 
		<include>$(.incprefix)/tntnet
		$(usage-requiriments)
		;
		
    }
    project.pop-current ;

}

rule directory
{
    return $(.prefix) ;
}

rule initialized ( )
{
    return $(.initialized) ;
}

# Get <include> from current toolset.
flags tntnet.ecpp INCLUDES <include> ;

actions ecpp
{
	$(.binprefix)/ecppc -I " $(INCLUDES) " -o $(<) $(>)
}

actions jpeg
{
	$(.binprefix)/ecppc -b -m image/jpeg -o $(<) $(>)
}

actions jpg
{
	$(.binprefix)/ecppc -b -m image/jpeg -o $(<) $(>)
}

actions js
{
	$(.binprefix)/ecppc -b -m application/x-javascript -o $(<) $(>)
}

actions png
{
	$(.binprefix)/ecppc -b -m image/png -o $(<) $(>)
}
actions gif
{
	$(.binprefix)/ecppc -b -m image/gif -o $(<) $(>)
}
actions css
{
	$(.binprefix)/ecppc -b -m text/css -o $(<) $(>)
}

class ecpp-scanner : common-scanner
{
	rule pattern ( )
	{
		return  "<%include.*>(.*)</%include>" ;
	}
}

scanner.register ecpp-scanner : include ;