"""SCons.Tool.latex

Tool-specific initialization for LaTeX.

There normally shouldn't be any need to import this module directly.
It will usually be imported through the generic SCons.Tool.Tool()
selection method.

"""

#
# __COPYRIGHT__
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"

import SCons.Action
import SCons.Defaults

LaTeXAction = SCons.Action.Action('$LATEXCOM')

def generate(env, platform):
    """Add Builders and construction variables for LaTeX to an Environment."""

    try:
        bld = env['BUILDERS']['DVI']
    except KeyError:
        bld = SCons.Defaults.DVI()
        env['BUILDERS']['DVI'] = bld
        
    bld.add_action('.ltx', LaTeXAction)
    bld.add_action('.latex', LaTeXAction)

    env['LATEX']      = 'latex'
    env['LATEXFLAGS'] = ''
    env['LATEXCOM']   = '$LATEX $LATEXFLAGS $SOURCES'

def exists(env):
    return env.Detect('latex')