internal static Region?TryParse(StringSpan span)
{
switch (span.Length)
{
case 2: return(tryParse_L2(span));
case 3: return(tryParse_L3(span));
default: return(null);
}
}
private static Region?tryParse_L3_1(StringSpan span)
{
switch (span[1])
{
case '4': return(tryParse_L3_14(span));
case '5': return(tryParse_L3_15(span));
default: return(null);
}
}
private static Region?tryParse_L3_02(StringSpan span)
{
switch (span[2])
{
case '1': return(M021Cache.Instance);
case '9': return(M029Cache.Instance);
default: return(null);
}
}
private static Region?tryParse_L2_w(StringSpan span)
{
switch (span[1])
{
case 'f': return(WFCache.Instance);
case 's': return(WSCache.Instance);
default: return(null);
}
}
private static Region?tryParse_L2_m(StringSpan span)
{
switch (span[1])
{
case 'a': return(MACache.Instance);
case 'c': return(MCCache.Instance);
case 'd': return(MDCache.Instance);
case 'e': return(MECache.Instance);
case 'f': return(MFCache.Instance);
case 'g': return(MGCache.Instance);
case 'h': return(MHCache.Instance);
case 'k': return(MKCache.Instance);
case 'l': return(MLCache.Instance);
case 'm': return(MMCache.Instance);
case 'n': return(MNCache.Instance);
case 'o': return(MOCache.Instance);
case 'p': return(MPCache.Instance);
case 'q': return(MQCache.Instance);
case 'r': return(MRCache.Instance);
case 's': return(MSCache.Instance);
case 't': return(MTCache.Instance);
case 'u': return(MUCache.Instance);
case 'v': return(MVCache.Instance);
case 'w': return(MWCache.Instance);
case 'x': return(MXCache.Instance);
case 'y': return(MYCache.Instance);
case 'z': return(MZCache.Instance);
default: return(null);
}
}
private static Region?tryParse_L3_05(StringSpan span)
{
switch (span[2])
{
case '3': return(M053Cache.Instance);
case '4': return(M054Cache.Instance);
case '7': return(M057Cache.Instance);
default: return(null);
}
}
private static Region?tryParse_L3_14(StringSpan span)
{
switch (span[2])
{
case '2': return(M142Cache.Instance);
case '3': return(M143Cache.Instance);
case '5': return(M145Cache.Instance);
default: return(null);
}
}
private static Region?tryParse_L2_b(StringSpan span)
{
switch (span[1])
{
case 'a': return(BACache.Instance);
case 'b': return(BBCache.Instance);
case 'd': return(BDCache.Instance);
case 'e': return(BECache.Instance);
case 'f': return(BFCache.Instance);
case 'g': return(BGCache.Instance);
case 'h': return(BHCache.Instance);
case 'i': return(BICache.Instance);
case 'j': return(BJCache.Instance);
case 'l': return(BLCache.Instance);
case 'm': return(BMCache.Instance);
case 'n': return(BNCache.Instance);
case 'o': return(BOCache.Instance);
case 'q': return(BQCache.Instance);
case 'r': return(BRCache.Instance);
case 's': return(BSCache.Instance);
case 't': return(BTCache.Instance);
case 'u': return(MMCache.Instance);
case 'v': return(BVCache.Instance);
case 'w': return(BWCache.Instance);
case 'y': return(BYCache.Instance);
case 'z': return(BZCache.Instance);
default: return(null);
}
}
private static Region?tryParse_L2_s(StringSpan span)
{
switch (span[1])
{
case 'a': return(SACache.Instance);
case 'b': return(SBCache.Instance);
case 'c': return(SCCache.Instance);
case 'd': return(SDCache.Instance);
case 'e': return(SECache.Instance);
case 'g': return(SGCache.Instance);
case 'h': return(SHCache.Instance);
case 'i': return(SICache.Instance);
case 'j': return(SJCache.Instance);
case 'k': return(SKCache.Instance);
case 'l': return(SLCache.Instance);
case 'm': return(SMCache.Instance);
case 'n': return(SNCache.Instance);
case 'o': return(SOCache.Instance);
case 'r': return(SRCache.Instance);
case 's': return(SSCache.Instance);
case 't': return(STCache.Instance);
case 'u': return(SUCache.Instance);
case 'v': return(SVCache.Instance);
case 'x': return(SXCache.Instance);
case 'y': return(SYCache.Instance);
case 'z': return(SZCache.Instance);
default: return(null);
}
}
private static Region?tryParse_L2_c(StringSpan span)
{
switch (span[1])
{
case 'a': return(CACache.Instance);
case 'c': return(CCCache.Instance);
case 'd': return(CDCache.Instance);
case 'f': return(CFCache.Instance);
case 'g': return(CGCache.Instance);
case 'h': return(CHCache.Instance);
case 'i': return(CICache.Instance);
case 'k': return(CKCache.Instance);
case 'l': return(CLCache.Instance);
case 'm': return(CMCache.Instance);
case 'n': return(CNCache.Instance);
case 'o': return(COCache.Instance);
case 'p': return(CPCache.Instance);
case 'r': return(CRCache.Instance);
case 's': return(CSCache.Instance);
case 'u': return(CUCache.Instance);
case 'v': return(CVCache.Instance);
case 'w': return(CWCache.Instance);
case 'x': return(CXCache.Instance);
case 'y': return(CYCache.Instance);
case 'z': return(CZCache.Instance);
default: return(null);
}
}
private static Region?tryParse_L2_j(StringSpan span)
{
switch (span[1])
{
case 'e': return(JECache.Instance);
case 'm': return(JMCache.Instance);
case 'o': return(JOCache.Instance);
case 'p': return(JPCache.Instance);
default: return(null);
}
}
private static Region?tryParse_L3_15(StringSpan span)
{
switch (span[2])
{
case '0': return(M150Cache.Instance);
case '1': return(M151Cache.Instance);
case '4': return(M154Cache.Instance);
case '5': return(M155Cache.Instance);
default: return(null);
}
}
private static Region?tryParse_L3(StringSpan span)
{
switch (span[0])
{
case '0': return(tryParse_L3_0(span));
case '1': return(tryParse_L3_1(span));
case '2': return(tryParse_L3_2(span));
case '4': return(tryParse_L3_4(span));
default: return(null);
}
}
private static Region?tryParse_L2_y(StringSpan span)
{
switch (span[1])
{
case 'd': return(YECache.Instance);
case 'e': return(YECache.Instance);
case 't': return(YTCache.Instance);
case 'u': return(YUCache.Instance);
default: return(null);
}
}
private static Region?tryParse_L3_03(StringSpan span)
{
switch (span[2])
{
case '0': return(M030Cache.Instance);
case '4': return(M034Cache.Instance);
case '5': return(M035Cache.Instance);
case '9': return(M039Cache.Instance);
default: return(null);
}
}
private static Region?tryParse_L2_r(StringSpan span)
{
switch (span[1])
{
case 'e': return(RECache.Instance);
case 'o': return(ROCache.Instance);
case 's': return(RSCache.Instance);
case 'u': return(RUCache.Instance);
case 'w': return(RWCache.Instance);
default: return(null);
}
}
private static Region?tryParse_L2_z(StringSpan span)
{
switch (span[1])
{
case 'a': return(ZACache.Instance);
case 'm': return(ZMCache.Instance);
case 'r': return(CDCache.Instance);
case 'w': return(ZWCache.Instance);
case 'z': return(forPrivateUse("zz"));
default: return(null);
}
}
private static Region?tryParse_L3_00(StringSpan span)
{
switch (span[2])
{
case '1': return(M001Cache.Instance);
case '2': return(M002Cache.Instance);
case '3': return(M003Cache.Instance);
case '5': return(M005Cache.Instance);
case '9': return(M009Cache.Instance);
default: return(null);
}
}
public TokenEnumerator(string text)
{
text = text.ToLowerInvariant();
_source = text;
_currentToken = new StringSpan(text);
if (string.IsNullOrEmpty(text))
{
_nextTokenPosition = null;
}
else
{
_nextTokenPosition = 0;
ToNextToken();
}
}
private static Region?tryParse_L2_g(StringSpan span)
{
switch (span[1])
{
case 'a': return(GACache.Instance);
case 'b': return(GBCache.Instance);
case 'd': return(GDCache.Instance);
case 'e': return(GECache.Instance);
case 'f': return(GFCache.Instance);
case 'g': return(GGCache.Instance);
case 'h': return(GHCache.Instance);
case 'i': return(GICache.Instance);
case 'l': return(GLCache.Instance);
case 'm': return(GMCache.Instance);
case 'n': return(GNCache.Instance);
case 'p': return(GPCache.Instance);
case 'q': return(GQCache.Instance);
case 'r': return(GRCache.Instance);
case 's': return(GSCache.Instance);
case 't': return(GTCache.Instance);
case 'u': return(GUCache.Instance);
case 'w': return(GWCache.Instance);
case 'y': return(GYCache.Instance);
default: return(null);
}
}
private static Region?tryParse_L2_a(StringSpan span)
{
switch (span[1])
{
case 'c': return(ACCache.Instance);
case 'd': return(ADCache.Instance);
case 'e': return(AECache.Instance);
case 'f': return(AFCache.Instance);
case 'g': return(AGCache.Instance);
case 'i': return(AICache.Instance);
case 'l': return(ALCache.Instance);
case 'm': return(AMCache.Instance);
case 'n': return(ANCache.Instance);
case 'o': return(AOCache.Instance);
case 'q': return(AQCache.Instance);
case 'r': return(ARCache.Instance);
case 's': return(ASCache.Instance);
case 't': return(ATCache.Instance);
case 'u': return(AUCache.Instance);
case 'w': return(AWCache.Instance);
case 'x': return(AXCache.Instance);
case 'z': return(AZCache.Instance);
case 'a': return(forPrivateUse("aa"));
default: return(null);
}
}
private static Region?tryParse_L2_t(StringSpan span)
{
switch (span[1])
{
case 'a': return(TACache.Instance);
case 'c': return(TCCache.Instance);
case 'd': return(TDCache.Instance);
case 'f': return(TFCache.Instance);
case 'g': return(TGCache.Instance);
case 'h': return(THCache.Instance);
case 'j': return(TJCache.Instance);
case 'k': return(TKCache.Instance);
case 'l': return(TLCache.Instance);
case 'm': return(TMCache.Instance);
case 'n': return(TNCache.Instance);
case 'o': return(TOCache.Instance);
case 'p': return(TLCache.Instance);
case 'r': return(TRCache.Instance);
case 't': return(TTCache.Instance);
case 'v': return(TVCache.Instance);
case 'w': return(TWCache.Instance);
case 'z': return(TZCache.Instance);
default: return(null);
}
}
private static Region?tryParse_L3_0(StringSpan span)
{
switch (span[1])
{
case '0': return(tryParse_L3_00(span));
case '1': return(tryParse_L3_01(span));
case '2': return(tryParse_L3_02(span));
case '3': return(tryParse_L3_03(span));
case '5': return(tryParse_L3_05(span));
case '6': return(tryParse_L3_06(span));
default: return(null);
}
}
private static Region?tryParse_L2_h(StringSpan span)
{
switch (span[1])
{
case 'k': return(HKCache.Instance);
case 'm': return(HMCache.Instance);
case 'n': return(HNCache.Instance);
case 'r': return(HRCache.Instance);
case 't': return(HTCache.Instance);
case 'u': return(HUCache.Instance);
default: return(null);
}
}
private static Region?tryParse_L2_f(StringSpan span)
{
switch (span[1])
{
case 'i': return(FICache.Instance);
case 'j': return(FJCache.Instance);
case 'k': return(FKCache.Instance);
case 'm': return(FMCache.Instance);
case 'o': return(FOCache.Instance);
case 'r': return(FRCache.Instance);
case 'x': return(FRCache.Instance);
default: return(null);
}
}
private static Region?tryParse_L2_v(StringSpan span)
{
switch (span[1])
{
case 'a': return(VACache.Instance);
case 'c': return(VCCache.Instance);
case 'e': return(VECache.Instance);
case 'g': return(VGCache.Instance);
case 'i': return(VICache.Instance);
case 'n': return(VNCache.Instance);
case 'u': return(VUCache.Instance);
default: return(null);
}
}
private static Region?tryParse_L3_01(StringSpan span)
{
switch (span[2])
{
case '1': return(M011Cache.Instance);
case '3': return(M013Cache.Instance);
case '4': return(M014Cache.Instance);
case '5': return(M015Cache.Instance);
case '7': return(M017Cache.Instance);
case '8': return(M018Cache.Instance);
case '9': return(M019Cache.Instance);
default: return(null);
}
}
private static Region?tryParse_L2_u(StringSpan span)
{
switch (span[1])
{
case 'a': return(UACache.Instance);
case 'g': return(UGCache.Instance);
case 'm': return(UMCache.Instance);
case 'n': return(UNCache.Instance);
case 's': return(USCache.Instance);
case 'y': return(UYCache.Instance);
case 'z': return(UZCache.Instance);
default: return(null);
}
}
private static Region?tryParse_L2_d(StringSpan span)
{
switch (span[1])
{
case 'd': return(DECache.Instance);
case 'e': return(DECache.Instance);
case 'g': return(DGCache.Instance);
case 'j': return(DJCache.Instance);
case 'k': return(DKCache.Instance);
case 'm': return(DMCache.Instance);
case 'o': return(DOCache.Instance);
case 'z': return(DZCache.Instance);
default: return(null);
}
}
private static Region?tryParse_L2(StringSpan span)
{
if ("qm" <= span && span <= "qz")
{
return(forPrivateUse(span.AsText()));
}
if ("xa" <= span && span <= "xz")
{
return(forPrivateUse(span.AsText()));
}
switch (span[0])
{
case 'a': return(tryParse_L2_a(span));
case 'b': return(tryParse_L2_b(span));
case 'c': return(tryParse_L2_c(span));
case 'd': return(tryParse_L2_d(span));
case 'e': return(tryParse_L2_e(span));
case 'f': return(tryParse_L2_f(span));
case 'g': return(tryParse_L2_g(span));
case 'h': return(tryParse_L2_h(span));
case 'i': return(tryParse_L2_i(span));
case 'j': return(tryParse_L2_j(span));
case 'k': return(tryParse_L2_k(span));
case 'l': return(tryParse_L2_l(span));
case 'm': return(tryParse_L2_m(span));
case 'n': return(tryParse_L2_n(span));
case 'o': return(tryParse_L2_o(span));
case 'p': return(tryParse_L2_p(span));
case 'q': return(tryParse_L2_q(span));
case 'r': return(tryParse_L2_r(span));
case 's': return(tryParse_L2_s(span));
case 't': return(tryParse_L2_t(span));
case 'u': return(tryParse_L2_u(span));
case 'v': return(tryParse_L2_v(span));
case 'w': return(tryParse_L2_w(span));
case 'y': return(tryParse_L2_y(span));
case 'z': return(tryParse_L2_z(span));
default: return(null);
}
}