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Last change
on this file since 319 was
319,
checked in by epyon, 11 years ago
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- created core module and moved all free source files there
- took the opportunity to update all copyright lines and minor cleanup
- minor fixes
- not all examples are up to date
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File size:
818 bytes
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| 1 | // Copyright (C) 2012-2014 ChaosForge Ltd
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| 2 | // http://chaosforge.org/
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| 3 | //
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| 4 | // This file is part of NV Libraries.
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| 5 | // For conditions of distribution and use, see copyright notice in nv.hh
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| 6 |
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| 7 | #include "nv/lua/lua_flags.hh"
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| 8 |
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| 9 | #include "nv/lua/lua_raw.hh"
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| 10 | #include "nv/core/string.hh"
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| 11 |
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| 12 |
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| 13 | void nv::lua::detail::read_flags( lua_State* L, int index, uint8* data, uint32 count )
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| 14 | {
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| 15 | nlua_toflags( L, index, data, count );
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| 16 | }
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| 17 |
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| 18 | void nv::lua::detail::push_flags( lua_State* L, uint8* data, uint32 count )
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| 19 | {
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| 20 | // TODO : this can be optimized
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| 21 | lua_createtable( L, 0, 0 );
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| 22 | for ( int c = 0; c < static_cast< int >( count ); ++c )
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| 23 | {
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| 24 | int idx = c / 8;
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| 25 | int pos = c % 8;
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| 26 | if ( ( data[ idx ] & ( 1 << static_cast< uint8 >( pos ) ) ) != 0 )
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| 27 | {
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| 28 | lua_pushboolean( L, true );
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| 29 | lua_rawseti( L, -2, c );
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| 30 | }
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| 31 | }
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| 32 | }
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