organicmaps/icu
13
Fork 0
mirror of https://github.com/unicode-org/icu.git synced 2025-04-14 17:24:01 +00:00
Code Issues 1 Projects Releases Wiki Activity Actions 1

ICU-12533 Loading capitilization context for LocaleDisplayNames using data sink (C++).

Browse source 
X-SVN-Rev: 38778
This commit is contained in:
Shane Carr 2016-05-31 22:45:23 +00:00
parent d004975b24
commit f58d106c20
1 changed files with 60 additions and 47 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

107
icu4c/source/common/locdspnm.cpp
View file

@ -341,6 +341,8 @@ private:
UnicodeString& keyValueDisplayName(const char* key, const char* value,
UnicodeString& result, UBool skipAdjust) const;
void initialize(void);
struct CapitalizationContextSink;
};
UMutex LocaleDisplayNamesImpl::capitalizationBrkIterLock = U_MUTEX_INITIALIZER;
@ -386,6 +388,54 @@ LocaleDisplayNamesImpl::LocaleDisplayNamesImpl(const Locale& locale,
initialize();
}
struct LocaleDisplayNamesImpl::CapitalizationContextSink : public ResourceSink {
UBool hasCapitalizationUsage;
LocaleDisplayNamesImpl& parent;
CapitalizationContextSink(LocaleDisplayNamesImpl& _parent)
: hasCapitalizationUsage(FALSE), parent(_parent) {}
virtual ~CapitalizationContextSink();
virtual void put(const char *key, ResourceValue &value, UBool /*noFallback*/,
UErrorCode &errorCode) {
ResourceTable contexts = value.getTable(errorCode);
if (U_FAILURE(errorCode)) { return; }
for (int i = 0; contexts.getKeyAndValue(i, key, value); ++i) {
CapContextUsage usageEnum;
if (uprv_strcmp(key, "key") == 0) {
usageEnum = kCapContextUsageKey;
} else if (uprv_strcmp(key, "keyValue") == 0) {
usageEnum = kCapContextUsageKeyValue;
} else if (uprv_strcmp(key, "languages") == 0) {
usageEnum = kCapContextUsageLanguage;
} else if (uprv_strcmp(key, "script") == 0) {
usageEnum = kCapContextUsageScript;
} else if (uprv_strcmp(key, "territory") == 0) {
usageEnum = kCapContextUsageTerritory;
} else if (uprv_strcmp(key, "variant") == 0) {
usageEnum = kCapContextUsageVariant;
} else {
continue;
}
int32_t len = 0;
const int32_t* intVector = value.getIntVector(len, errorCode);
if (U_FAILURE(errorCode)) { return; }
if (len < 2) { continue; }
int32_t titlecaseInt = (parent.capitalizationContext == UDISPCTX_CAPITALIZATION_FOR_UI_LIST_OR_MENU) ? intVector[0] : intVector[1];
if (titlecaseInt == 0) { continue; }
parent.fCapitalization[usageEnum] = TRUE;
hasCapitalizationUsage = TRUE;
}
}
};
// Virtual destructors must be defined out of line.
LocaleDisplayNamesImpl::CapitalizationContextSink::~CapitalizationContextSink() {}
void
LocaleDisplayNamesImpl::initialize(void) {
LocaleDisplayNamesImpl *nonConstThis = (LocaleDisplayNamesImpl *)this;
@ -428,58 +478,21 @@ LocaleDisplayNamesImpl::initialize(void) {
uprv_memset(fCapitalization, 0, sizeof(fCapitalization));
#if !UCONFIG_NO_BREAK_ITERATION
// The following is basically copied from DateFormatSymbols::initializeData
typedef struct {
const char * usageName;
LocaleDisplayNamesImpl::CapContextUsage usageEnum;
} ContextUsageNameToEnum;
const ContextUsageNameToEnum contextUsageTypeMap[] = {
// Entries must be sorted by usageTypeName; entry with NULL name terminates list.
{ "key", kCapContextUsageKey },
{ "keyValue", kCapContextUsageKeyValue },
{ "languages", kCapContextUsageLanguage },
{ "script", kCapContextUsageScript },
{ "territory", kCapContextUsageTerritory },
{ "variant", kCapContextUsageVariant },
{ NULL, (CapContextUsage)0 },
};
// Only get the context data if we need it! This is a const object so we know now...
// Also check whether we will need a break iterator (depends on the data)
UBool needBrkIter = FALSE;
if (capitalizationContext == UDISPCTX_CAPITALIZATION_FOR_UI_LIST_OR_MENU || capitalizationContext == UDISPCTX_CAPITALIZATION_FOR_STANDALONE) {
int32_t len = 0;
UResourceBundle *localeBundle = ures_open(NULL, locale.getName(), &status);
if (U_SUCCESS(status)) {
UResourceBundle *contextTransforms = ures_getByKeyWithFallback(localeBundle, "contextTransforms", NULL, &status);
if (U_SUCCESS(status)) {
UResourceBundle *contextTransformUsage;
while ( (contextTransformUsage = ures_getNextResource(contextTransforms, NULL, &status)) != NULL ) {
const int32_t * intVector = ures_getIntVector(contextTransformUsage, &len, &status);
if (U_SUCCESS(status) && intVector != NULL && len >= 2) {
const char* usageKey = ures_getKey(contextTransformUsage);
if (usageKey != NULL) {
const ContextUsageNameToEnum * typeMapPtr = contextUsageTypeMap;
int32_t compResult = 0;
// linear search; list is short and we cannot be sure that bsearch is available
while ( typeMapPtr->usageName != NULL && (compResult = uprv_strcmp(usageKey, typeMapPtr->usageName)) > 0 ) {
++typeMapPtr;
}
if (typeMapPtr->usageName != NULL && compResult == 0) {
int32_t titlecaseInt = (capitalizationContext == UDISPCTX_CAPITALIZATION_FOR_UI_LIST_OR_MENU)? intVector[0]: intVector[1];
if (titlecaseInt != 0) {
fCapitalization[typeMapPtr->usageEnum] = TRUE;;
needBrkIter = TRUE;
}
}
}
}
status = U_ZERO_ERROR;
ures_close(contextTransformUsage);
}
ures_close(contextTransforms);
}
ures_close(localeBundle);
LocalUResourceBundlePointer resource(ures_open(NULL, locale.getName(), &status));
if (U_FAILURE(status)) { return; }
CapitalizationContextSink sink(*this);
ures_getAllItemsWithFallback(resource.getAlias(), "contextTransforms", sink, status);
if (status == U_MISSING_RESOURCE_ERROR) {
// Silently ignore. Not every locale has contextTransforms.
status = U_ZERO_ERROR;
} else if (U_FAILURE(status)) {
return;
}
needBrkIter = sink.hasCapitalizationUsage;
}
// Get a sentence break iterator if we will need it
if (needBrkIter || capitalizationContext == UDISPCTX_CAPITALIZATION_FOR_BEGINNING_OF_SENTENCE) {