public static string ToBcpKey(string key)
{
key = AsciiUtil.ToLowerString(key);
KeyData keyData = KEYMAP.Get(key);
if (keyData != null)
{
return(keyData.BcpId);
}
return(null);
}
public static Key Normalize(Key key)
{
string lang = AsciiUtil.ToLowerString(key._lang).Intern();
string scrt = AsciiUtil.ToTitleString(key._scrt).Intern();
string regn = AsciiUtil.ToUpperString(key._regn).Intern();
string vart;
if (JDKIMPL)
{
// preserve upper/lower cases
vart = key._vart.Intern();
}
else
{
vart = AsciiUtil.ToUpperString(key._vart).Intern();
}
return(new Key(lang, scrt, regn, vart));
}
internal abstract bool IsWellFormed(string value); // doesn't test validity, just whether it is well formed.
internal string Canonicalize(string value)
{
return(AsciiUtil.ToLowerString(value));
}
private static void InitFromResourceBundle()
{
UResourceBundle keyTypeDataRes = UResourceBundle.GetBundleInstance(
ICUData.ICU_BASE_NAME,
"keyTypeData",
ICUResourceBundle.ICU_DATA_CLASS_LOADER);
GetKeyInfo(keyTypeDataRes.Get("keyInfo"));
GetTypeInfo(keyTypeDataRes.Get("typeInfo"));
UResourceBundle keyMapRes = keyTypeDataRes.Get("keyMap");
UResourceBundle typeMapRes = keyTypeDataRes.Get("typeMap");
// alias data is optional
UResourceBundle typeAliasRes = null;
UResourceBundle bcpTypeAliasRes = null;
try
{
typeAliasRes = keyTypeDataRes.Get("typeAlias");
}
catch (MissingManifestResourceException e)
{
// fall through
}
try
{
bcpTypeAliasRes = keyTypeDataRes.Get("bcpTypeAlias");
}
catch (MissingManifestResourceException e)
{
// fall through
}
// iterate through keyMap resource
using (UResourceBundleEnumerator keyMapItr = keyMapRes.GetEnumerator())
{
IDictionary <string, IList <string> > _Bcp47Keys = new Dictionary <string, IList <string> >(); // ICU4N NOTE: As long as we don't delete, Dictionary keeps insertion order the same as LinkedHashMap
while (keyMapItr.MoveNext())
{
UResourceBundle keyMapEntry = keyMapItr.Current;
string legacyKeyId = keyMapEntry.Key;
string bcpKeyId = keyMapEntry.GetString();
bool hasSameKey = false;
if (bcpKeyId.Length == 0)
{
// Empty value indicates that BCP key is same with the legacy key.
bcpKeyId = legacyKeyId;
hasSameKey = true;
}
IList <string> _bcp47Types = new List <string>(); // ICU4N: Mimic LinkedHashSet with List by ensuring no duplicates are added
_Bcp47Keys[bcpKeyId] = _bcp47Types.ToUnmodifiableList();
bool isTZ = legacyKeyId.Equals("timezone");
// reverse type alias map
IDictionary <string, ISet <string> > typeAliasMap = null;
if (typeAliasRes != null)
{
UResourceBundle typeAliasResByKey = null;
try
{
typeAliasResByKey = typeAliasRes.Get(legacyKeyId);
}
catch (MissingManifestResourceException e)
{
// fall through
}
if (typeAliasResByKey != null)
{
typeAliasMap = new Dictionary <string, ISet <string> >();
using (UResourceBundleEnumerator typeAliasResItr = typeAliasResByKey.GetEnumerator())
{
while (typeAliasResItr.MoveNext())
{
UResourceBundle typeAliasDataEntry = typeAliasResItr.Current;
string from = typeAliasDataEntry.Key;
string to = typeAliasDataEntry.GetString();
if (isTZ)
{
from = from.Replace(':', '/');
}
ISet <string> aliasSet = typeAliasMap.Get(to);
if (aliasSet == null)
{
aliasSet = new HashSet <string>();
typeAliasMap[to] = aliasSet;
}
aliasSet.Add(from);
}
}
}
}
// reverse bcp type alias map
IDictionary <string, ISet <string> > bcpTypeAliasMap = null;
if (bcpTypeAliasRes != null)
{
UResourceBundle bcpTypeAliasResByKey = null;
try
{
bcpTypeAliasResByKey = bcpTypeAliasRes.Get(bcpKeyId);
}
catch (MissingManifestResourceException e)
{
// fall through
}
if (bcpTypeAliasResByKey != null)
{
bcpTypeAliasMap = new Dictionary <string, ISet <string> >();
using (UResourceBundleEnumerator bcpTypeAliasResItr = bcpTypeAliasResByKey.GetEnumerator())
{
while (bcpTypeAliasResItr.MoveNext())
{
UResourceBundle bcpTypeAliasDataEntry = bcpTypeAliasResItr.Current;
string from = bcpTypeAliasDataEntry.Key;
string to = bcpTypeAliasDataEntry.GetString();
ISet <string> aliasSet = bcpTypeAliasMap.Get(to);
if (aliasSet == null)
{
aliasSet = new HashSet <string>();
bcpTypeAliasMap[to] = aliasSet;
}
aliasSet.Add(from);
}
}
}
}
IDictionary <string, Type> typeDataMap = new Dictionary <string, Type>();
ISet <SpecialType> specialTypeSet = null;
// look up type map for the key, and walk through the mapping data
UResourceBundle typeMapResByKey = null;
try
{
typeMapResByKey = typeMapRes.Get(legacyKeyId);
}
catch (MissingManifestResourceException e)
{
// type map for each key must exist
Debug.Assert(false);
}
if (typeMapResByKey != null)
{
using (UResourceBundleEnumerator typeMapResByKeyItr = typeMapResByKey.GetEnumerator())
while (typeMapResByKeyItr.MoveNext())
{
UResourceBundle typeMapEntry = typeMapResByKeyItr.Current;
string legacyTypeId = typeMapEntry.Key;
string bcpTypeId = typeMapEntry.GetString();
// special types
char first = legacyTypeId[0];
bool isSpecialType = '9' < first && first < 'a' && bcpTypeId.Length == 0;
if (isSpecialType)
{
if (specialTypeSet == null)
{
specialTypeSet = new HashSet <SpecialType>();
}
specialTypeSet.Add((SpecialType)Enum.Parse(typeof(SpecialType), legacyTypeId, true));
if (!_bcp47Types.Contains(legacyTypeId)) // ICU4N: Mimic LinkedHashSet with a List by not allowing duplicates
{
_bcp47Types.Add(legacyTypeId);
}
continue;
}
if (isTZ)
{
// a timezone key uses a colon instead of a slash in the resource.
// e.g. America:Los_Angeles
legacyTypeId = legacyTypeId.Replace(':', '/');
}
bool hasSameType = false;
if (bcpTypeId.Length == 0)
{
// Empty value indicates that BCP type is same with the legacy type.
bcpTypeId = legacyTypeId;
hasSameType = true;
}
if (!_bcp47Types.Contains(legacyTypeId)) // ICU4N: Mimic LinkedHashSet with a List by not allowing duplicates
{
_bcp47Types.Add(bcpTypeId);
}
// Note: legacy type value should never be
// equivalent to bcp type value of a different
// type under the same key. So we use a single
// map for lookup.
Type t = new Type(legacyTypeId, bcpTypeId);
typeDataMap[AsciiUtil.ToLowerString(legacyTypeId)] = t;
if (!hasSameType)
{
typeDataMap[AsciiUtil.ToLowerString(bcpTypeId)] = t;
}
// Also put aliases in the map
if (typeAliasMap != null)
{
ISet <string> typeAliasSet = typeAliasMap.Get(legacyTypeId);
if (typeAliasSet != null)
{
foreach (string alias in typeAliasSet)
{
typeDataMap[AsciiUtil.ToLowerString(alias)] = t;
}
}
}
if (bcpTypeAliasMap != null)
{
ISet <string> bcpTypeAliasSet = bcpTypeAliasMap.Get(bcpTypeId);
if (bcpTypeAliasSet != null)
{
foreach (string alias in bcpTypeAliasSet)
{
typeDataMap[AsciiUtil.ToLowerString(alias)] = t;
}
}
}
}
}
KeyData keyData = new KeyData(legacyKeyId, bcpKeyId, typeDataMap, specialTypeSet);
KEYMAP[AsciiUtil.ToLowerString(legacyKeyId)] = keyData;
if (!hasSameKey)
{
KEYMAP[AsciiUtil.ToLowerString(bcpKeyId)] = keyData;
}
}
BCP47_KEYS = _Bcp47Keys.ToUnmodifiableDictionary();
}
}
public CaseInsensitiveKey(string key)
{
_key = key;
_hash = AsciiUtil.ToLowerString(key).GetHashCode();
}