(svn r12218) -Update: WebTranslator2 update to 2008-02-23 12:39:10
brazilian_portuguese - 13 fixed, 51 changed by fukumori (64)
bulgarian - 12 fixed by thetitan (12)
catalan - 13 fixed by arnaullv (13)
czech - 13 fixed, 8 changed by Hadez (21)
dutch - 13 fixed by habell (13)
estonian - 13 fixed, 3 changed by kristjans (16)
french - 13 fixed, 20 changed by glx (33)
hungarian - 13 fixed by miham (13)
italian - 13 fixed, 8 changed by lorenzodv (21)
japanese - 13 fixed by ickoonite (13)
korean - 14 fixed by leejaeuk5 (14)
portuguese - 2 fixed by nars (2)
slovak - 13 fixed by lengyel (13)
slovenian - 1 fixed by Necrolyte (1)
spanish - 13 fixed by eusebio (13)
swedish - 1 fixed by ChrillDeVille (1)
ukrainian - 13 fixed, 1 deleted, 124 changed by mad (138)

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/* $Id$ */

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#ifndef CMD_HELPER_H

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#define CMD_HELPER_H

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#include "direction_type.h"

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#include "road_type.h"

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template<uint N> static inline void ExtractValid();

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template<> inline void ExtractValid<1>() {}

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template<typename T> struct ExtractBits;

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template<> struct ExtractBits<Axis>          { static const uint Count =  1; };

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template<> struct ExtractBits<DiagDirection> { static const uint Count =  2; };

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template<> struct ExtractBits<RoadBits>      { static const uint Count =  4; };

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template<typename T, uint N, typename U> static inline T Extract(U v)

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{

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	// Check if there are enough bits in v

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	ExtractValid<N + ExtractBits<T>::Count <= sizeof(U) * 8>();

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	return (T)GB(v, N, ExtractBits<T>::Count);

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}

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#endif