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Release 0.6.0-rc1
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Baptiste Lepilleur
commit
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147
amalgate.py
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147
amalgate.py
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"""Amalgate json-cpp library sources into a single source and header file.
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Requires Python 2.6
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Example of invocation (must be invoked from json-cpp top directory):
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python amalgate.py
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"""
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import os
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import os.path
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import sys
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class AmalagatedFile:
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def __init__( self, top_dir ):
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self.top_dir = top_dir
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self.blocks = []
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def add_text( self, text ):
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if not text.endswith( '\n' ):
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text += '\n'
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self.blocks.append( text )
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def add_file( self, relative_input_path, wrap_in_comment=False ):
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def add_marker( prefix ):
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self.add_text( '' )
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self.add_text( '// ' + '/'*70 )
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self.add_text( '// %s of content of file: %s' % (prefix, relative_input_path.replace('\\','/')) )
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self.add_text( '// ' + '/'*70 )
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self.add_text( '' )
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add_marker( 'Beginning' )
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f = open( os.path.join( self.top_dir, relative_input_path ), 'rt' )
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content = f.read()
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if wrap_in_comment:
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content = '/*\n' + content + '\n*/'
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self.add_text( content )
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f.close()
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add_marker( 'End' )
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self.add_text( '\n\n\n\n' )
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def get_value( self ):
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return ''.join( self.blocks ).replace('\r\n','\n')
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def write_to( self, output_path ):
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output_dir = os.path.dirname( output_path )
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if output_dir and not os.path.isdir( output_dir ):
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os.makedirs( output_dir )
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f = open( output_path, 'wb' )
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f.write( self.get_value() )
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f.close()
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def amalgate_source( source_top_dir=None,
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target_source_path=None,
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header_include_path=None ):
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"""Produces amalgated source.
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Parameters:
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source_top_dir: top-directory
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target_source_path: output .cpp path
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header_include_path: generated header path relative to target_source_path.
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"""
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print 'Amalgating header...'
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header = AmalagatedFile( source_top_dir )
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header.add_text( '/// Json-cpp amalgated header (http://jsoncpp.sourceforge.net/).' )
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header.add_text( '/// It is intented to be used with #include <%s>' % header_include_path )
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header.add_file( 'LICENSE', wrap_in_comment=True )
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header.add_text( '#ifndef JSON_AMALGATED_H_INCLUDED' )
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header.add_text( '# define JSON_AMALGATED_H_INCLUDED' )
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header.add_text( '/// If defined, indicates that the source file is amalgated' )
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header.add_text( '/// to prevent private header inclusion.' )
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header.add_text( '#define JSON_IS_AMALGATED' )
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header.add_file( 'include/json/config.h' )
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header.add_file( 'include/json/forwards.h' )
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header.add_file( 'include/json/features.h' )
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header.add_file( 'include/json/value.h' )
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header.add_file( 'include/json/reader.h' )
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header.add_file( 'include/json/writer.h' )
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header.add_text( '#endif //ifndef JSON_AMALGATED_H_INCLUDED' )
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target_header_path = os.path.join( os.path.dirname(target_source_path), header_include_path )
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print 'Writing amalgated header to %r' % target_header_path
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header.write_to( target_header_path )
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base, ext = os.path.splitext( header_include_path )
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forward_header_include_path = base + '-forwards' + ext
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print 'Amalgating forward header...'
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header = AmalagatedFile( source_top_dir )
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header.add_text( '/// Json-cpp amalgated forward header (http://jsoncpp.sourceforge.net/).' )
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header.add_text( '/// It is intented to be used with #include <%s>' % forward_header_include_path )
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header.add_text( '/// This header provides forward declaration for all JsonCpp types.' )
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header.add_file( 'LICENSE', wrap_in_comment=True )
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header.add_text( '#ifndef JSON_FORWARD_AMALGATED_H_INCLUDED' )
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header.add_text( '# define JSON_FORWARD_AMALGATED_H_INCLUDED' )
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header.add_text( '/// If defined, indicates that the source file is amalgated' )
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header.add_text( '/// to prevent private header inclusion.' )
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header.add_text( '#define JSON_IS_AMALGATED' )
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header.add_file( 'include/json/config.h' )
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header.add_file( 'include/json/forwards.h' )
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header.add_text( '#endif //ifndef JSON_FORWARD_AMALGATED_H_INCLUDED' )
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target_forward_header_path = os.path.join( os.path.dirname(target_source_path),
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forward_header_include_path )
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print 'Writing amalgated forward header to %r' % target_forward_header_path
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header.write_to( target_forward_header_path )
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print 'Amalgating source...'
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source = AmalagatedFile( source_top_dir )
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source.add_text( '/// Json-cpp amalgated source (http://jsoncpp.sourceforge.net/).' )
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source.add_text( '/// It is intented to be used with #include <%s>' % header_include_path )
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source.add_file( 'LICENSE', wrap_in_comment=True )
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source.add_text( '' )
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source.add_text( '#include <%s>' % header_include_path )
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source.add_text( '' )
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source.add_file( 'src/lib_json\json_tool.h' )
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source.add_file( 'src/lib_json\json_reader.cpp' )
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source.add_file( 'src/lib_json\json_batchallocator.h' )
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source.add_file( 'src/lib_json\json_valueiterator.inl' )
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source.add_file( 'src/lib_json\json_value.cpp' )
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source.add_file( 'src/lib_json\json_writer.cpp' )
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print 'Writing amalgated source to %r' % target_source_path
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source.write_to( target_source_path )
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def main():
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usage = """%prog [options]
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Generate a single amalgated source and header file from the sources.
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"""
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from optparse import OptionParser
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parser = OptionParser(usage=usage)
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parser.allow_interspersed_args = False
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parser.add_option('-s', '--source', dest="target_source_path", action='store', default='dist/jsoncpp.cpp',
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help="""Output .cpp source path. [Default: %default]""")
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parser.add_option('-i', '--include', dest="header_include_path", action='store', default='json/json.h',
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help="""Header include path. Used to include the header from the amalgated source file. [Default: %default]""")
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parser.add_option('-t', '--top-dir', dest="top_dir", action='store', default=os.getcwd(),
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help="""Source top-directory. [Default: %default]""")
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parser.enable_interspersed_args()
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options, args = parser.parse_args()
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msg = amalgate_source( source_top_dir=options.top_dir,
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target_source_path=options.target_source_path,
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header_include_path=options.header_include_path )
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if msg:
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sys.stderr.write( msg + '\n' )
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sys.exit( 1 )
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else:
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print 'Source succesfully amalagated'
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if __name__ == '__main__':
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main()
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@ -32,4 +32,6 @@
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- Provides support for static property name definition avoiding allocation
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- Static property dictionnary can be provided to JSON reader
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- Performance scenario & benchmarking
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\section testing Testing
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- Adds more tests for unicode parsing (e.g. including surrogate and error detection).
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*/
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