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Unified Diff: icu51/source/common/locdispnames.cpp

Issue 20882002: Check in the pristine copy of ICU 51.2 (Closed) Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/
Patch Set: Created 7 years, 5 months ago
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Index: icu51/source/common/locdispnames.cpp
===================================================================
--- icu51/source/common/locdispnames.cpp (revision 0)
+++ icu51/source/common/locdispnames.cpp (revision 0)
@@ -0,0 +1,846 @@
+/*
+*******************************************************************************
+*
+* Copyright (C) 1997-2012, International Business Machines
+* Corporation and others. All Rights Reserved.
+*
+*******************************************************************************
+* file name: locdispnames.cpp
+* encoding: US-ASCII
+* tab size: 8 (not used)
+* indentation:4
+*
+* created on: 2010feb25
+* created by: Markus W. Scherer
+*
+* Code for locale display names, separated out from other .cpp files
+* that then do not depend on resource bundle code and display name data.
+*/
+
+#include "unicode/utypes.h"
+#include "unicode/brkiter.h"
+#include "unicode/locid.h"
+#include "unicode/uloc.h"
+#include "unicode/ures.h"
+#include "unicode/ustring.h"
+#include "cmemory.h"
+#include "cstring.h"
+#include "putilimp.h"
+#include "ulocimp.h"
+#include "uresimp.h"
+#include "ureslocs.h"
+#include "ustr_imp.h"
+
+// C++ API ----------------------------------------------------------------- ***
+
+U_NAMESPACE_BEGIN
+
+UnicodeString&
+Locale::getDisplayLanguage(UnicodeString& dispLang) const
+{
+ return this->getDisplayLanguage(getDefault(), dispLang);
+}
+
+/*We cannot make any assumptions on the size of the output display strings
+* Yet, since we are calling through to a C API, we need to set limits on
+* buffer size. For all the following getDisplay functions we first attempt
+* to fill up a stack allocated buffer. If it is to small we heap allocated
+* the exact buffer we need copy it to the UnicodeString and delete it*/
+
+UnicodeString&
+Locale::getDisplayLanguage(const Locale &displayLocale,
+ UnicodeString &result) const {
+ UChar *buffer;
+ UErrorCode errorCode=U_ZERO_ERROR;
+ int32_t length;
+
+ buffer=result.getBuffer(ULOC_FULLNAME_CAPACITY);
+ if(buffer==0) {
+ result.truncate(0);
+ return result;
+ }
+
+ length=uloc_getDisplayLanguage(fullName, displayLocale.fullName,
+ buffer, result.getCapacity(),
+ &errorCode);
+ result.releaseBuffer(U_SUCCESS(errorCode) ? length : 0);
+
+ if(errorCode==U_BUFFER_OVERFLOW_ERROR) {
+ buffer=result.getBuffer(length);
+ if(buffer==0) {
+ result.truncate(0);
+ return result;
+ }
+ errorCode=U_ZERO_ERROR;
+ length=uloc_getDisplayLanguage(fullName, displayLocale.fullName,
+ buffer, result.getCapacity(),
+ &errorCode);
+ result.releaseBuffer(U_SUCCESS(errorCode) ? length : 0);
+ }
+
+ return result;
+}
+
+UnicodeString&
+Locale::getDisplayScript(UnicodeString& dispScript) const
+{
+ return this->getDisplayScript(getDefault(), dispScript);
+}
+
+UnicodeString&
+Locale::getDisplayScript(const Locale &displayLocale,
+ UnicodeString &result) const {
+ UChar *buffer;
+ UErrorCode errorCode=U_ZERO_ERROR;
+ int32_t length;
+
+ buffer=result.getBuffer(ULOC_FULLNAME_CAPACITY);
+ if(buffer==0) {
+ result.truncate(0);
+ return result;
+ }
+
+ length=uloc_getDisplayScript(fullName, displayLocale.fullName,
+ buffer, result.getCapacity(),
+ &errorCode);
+ result.releaseBuffer(U_SUCCESS(errorCode) ? length : 0);
+
+ if(errorCode==U_BUFFER_OVERFLOW_ERROR) {
+ buffer=result.getBuffer(length);
+ if(buffer==0) {
+ result.truncate(0);
+ return result;
+ }
+ errorCode=U_ZERO_ERROR;
+ length=uloc_getDisplayScript(fullName, displayLocale.fullName,
+ buffer, result.getCapacity(),
+ &errorCode);
+ result.releaseBuffer(U_SUCCESS(errorCode) ? length : 0);
+ }
+
+ return result;
+}
+
+UnicodeString&
+Locale::getDisplayCountry(UnicodeString& dispCntry) const
+{
+ return this->getDisplayCountry(getDefault(), dispCntry);
+}
+
+UnicodeString&
+Locale::getDisplayCountry(const Locale &displayLocale,
+ UnicodeString &result) const {
+ UChar *buffer;
+ UErrorCode errorCode=U_ZERO_ERROR;
+ int32_t length;
+
+ buffer=result.getBuffer(ULOC_FULLNAME_CAPACITY);
+ if(buffer==0) {
+ result.truncate(0);
+ return result;
+ }
+
+ length=uloc_getDisplayCountry(fullName, displayLocale.fullName,
+ buffer, result.getCapacity(),
+ &errorCode);
+ result.releaseBuffer(U_SUCCESS(errorCode) ? length : 0);
+
+ if(errorCode==U_BUFFER_OVERFLOW_ERROR) {
+ buffer=result.getBuffer(length);
+ if(buffer==0) {
+ result.truncate(0);
+ return result;
+ }
+ errorCode=U_ZERO_ERROR;
+ length=uloc_getDisplayCountry(fullName, displayLocale.fullName,
+ buffer, result.getCapacity(),
+ &errorCode);
+ result.releaseBuffer(U_SUCCESS(errorCode) ? length : 0);
+ }
+
+ return result;
+}
+
+UnicodeString&
+Locale::getDisplayVariant(UnicodeString& dispVar) const
+{
+ return this->getDisplayVariant(getDefault(), dispVar);
+}
+
+UnicodeString&
+Locale::getDisplayVariant(const Locale &displayLocale,
+ UnicodeString &result) const {
+ UChar *buffer;
+ UErrorCode errorCode=U_ZERO_ERROR;
+ int32_t length;
+
+ buffer=result.getBuffer(ULOC_FULLNAME_CAPACITY);
+ if(buffer==0) {
+ result.truncate(0);
+ return result;
+ }
+
+ length=uloc_getDisplayVariant(fullName, displayLocale.fullName,
+ buffer, result.getCapacity(),
+ &errorCode);
+ result.releaseBuffer(U_SUCCESS(errorCode) ? length : 0);
+
+ if(errorCode==U_BUFFER_OVERFLOW_ERROR) {
+ buffer=result.getBuffer(length);
+ if(buffer==0) {
+ result.truncate(0);
+ return result;
+ }
+ errorCode=U_ZERO_ERROR;
+ length=uloc_getDisplayVariant(fullName, displayLocale.fullName,
+ buffer, result.getCapacity(),
+ &errorCode);
+ result.releaseBuffer(U_SUCCESS(errorCode) ? length : 0);
+ }
+
+ return result;
+}
+
+UnicodeString&
+Locale::getDisplayName( UnicodeString& name ) const
+{
+ return this->getDisplayName(getDefault(), name);
+}
+
+UnicodeString&
+Locale::getDisplayName(const Locale &displayLocale,
+ UnicodeString &result) const {
+ UChar *buffer;
+ UErrorCode errorCode=U_ZERO_ERROR;
+ int32_t length;
+
+ buffer=result.getBuffer(ULOC_FULLNAME_CAPACITY);
+ if(buffer==0) {
+ result.truncate(0);
+ return result;
+ }
+
+ length=uloc_getDisplayName(fullName, displayLocale.fullName,
+ buffer, result.getCapacity(),
+ &errorCode);
+ result.releaseBuffer(U_SUCCESS(errorCode) ? length : 0);
+
+ if(errorCode==U_BUFFER_OVERFLOW_ERROR) {
+ buffer=result.getBuffer(length);
+ if(buffer==0) {
+ result.truncate(0);
+ return result;
+ }
+ errorCode=U_ZERO_ERROR;
+ length=uloc_getDisplayName(fullName, displayLocale.fullName,
+ buffer, result.getCapacity(),
+ &errorCode);
+ result.releaseBuffer(U_SUCCESS(errorCode) ? length : 0);
+ }
+
+ return result;
+}
+
+#if ! UCONFIG_NO_BREAK_ITERATION
+
+// -------------------------------------
+// Gets the objectLocale display name in the default locale language.
+UnicodeString& U_EXPORT2
+BreakIterator::getDisplayName(const Locale& objectLocale,
+ UnicodeString& name)
+{
+ return objectLocale.getDisplayName(name);
+}
+
+// -------------------------------------
+// Gets the objectLocale display name in the displayLocale language.
+UnicodeString& U_EXPORT2
+BreakIterator::getDisplayName(const Locale& objectLocale,
+ const Locale& displayLocale,
+ UnicodeString& name)
+{
+ return objectLocale.getDisplayName(displayLocale, name);
+}
+
+#endif
+
+
+U_NAMESPACE_END
+
+// C API ------------------------------------------------------------------- ***
+
+U_NAMESPACE_USE
+
+/* ### Constants **************************************************/
+
+/* These strings describe the resources we attempt to load from
+ the locale ResourceBundle data file.*/
+static const char _kLanguages[] = "Languages";
+static const char _kScripts[] = "Scripts";
+static const char _kScriptsStandAlone[] = "Scripts%stand-alone";
+static const char _kCountries[] = "Countries";
+static const char _kVariants[] = "Variants";
+static const char _kKeys[] = "Keys";
+static const char _kTypes[] = "Types";
+//static const char _kRootName[] = "root";
+static const char _kCurrency[] = "currency";
+static const char _kCurrencies[] = "Currencies";
+static const char _kLocaleDisplayPattern[] = "localeDisplayPattern";
+static const char _kPattern[] = "pattern";
+static const char _kSeparator[] = "separator";
+
+/* ### Display name **************************************************/
+
+static int32_t
+_getStringOrCopyKey(const char *path, const char *locale,
+ const char *tableKey,
+ const char* subTableKey,
+ const char *itemKey,
+ const char *substitute,
+ UChar *dest, int32_t destCapacity,
+ UErrorCode *pErrorCode) {
+ const UChar *s = NULL;
+ int32_t length = 0;
+
+ if(itemKey==NULL) {
+ /* top-level item: normal resource bundle access */
+ UResourceBundle *rb;
+
+ rb=ures_open(path, locale, pErrorCode);
+
+ if(U_SUCCESS(*pErrorCode)) {
+ s=ures_getStringByKey(rb, tableKey, &length, pErrorCode);
+ /* see comment about closing rb near "return item;" in _res_getTableStringWithFallback() */
+ ures_close(rb);
+ }
+ } else {
+ /* Language code should not be a number. If it is, set the error code. */
+ if (!uprv_strncmp(tableKey, "Languages", 9) && uprv_strtol(itemKey, NULL, 10)) {
+ *pErrorCode = U_MISSING_RESOURCE_ERROR;
+ } else {
+ /* second-level item, use special fallback */
+ s=uloc_getTableStringWithFallback(path, locale,
+ tableKey,
+ subTableKey,
+ itemKey,
+ &length,
+ pErrorCode);
+ }
+ }
+
+ if(U_SUCCESS(*pErrorCode)) {
+ int32_t copyLength=uprv_min(length, destCapacity);
+ if(copyLength>0 && s != NULL) {
+ u_memcpy(dest, s, copyLength);
+ }
+ } else {
+ /* no string from a resource bundle: convert the substitute */
+ length=(int32_t)uprv_strlen(substitute);
+ u_charsToUChars(substitute, dest, uprv_min(length, destCapacity));
+ *pErrorCode=U_USING_DEFAULT_WARNING;
+ }
+
+ return u_terminateUChars(dest, destCapacity, length, pErrorCode);
+}
+
+typedef int32_t U_CALLCONV UDisplayNameGetter(const char *, char *, int32_t, UErrorCode *);
+
+static int32_t
+_getDisplayNameForComponent(const char *locale,
+ const char *displayLocale,
+ UChar *dest, int32_t destCapacity,
+ UDisplayNameGetter *getter,
+ const char *tag,
+ UErrorCode *pErrorCode) {
+ char localeBuffer[ULOC_FULLNAME_CAPACITY*4];
+ int32_t length;
+ UErrorCode localStatus;
+ const char* root = NULL;
+
+ /* argument checking */
+ if(pErrorCode==NULL || U_FAILURE(*pErrorCode)) {
+ return 0;
+ }
+
+ if(destCapacity<0 || (destCapacity>0 && dest==NULL)) {
+ *pErrorCode=U_ILLEGAL_ARGUMENT_ERROR;
+ return 0;
+ }
+
+ localStatus = U_ZERO_ERROR;
+ length=(*getter)(locale, localeBuffer, sizeof(localeBuffer), &localStatus);
+ if(U_FAILURE(localStatus) || localStatus==U_STRING_NOT_TERMINATED_WARNING) {
+ *pErrorCode=U_ILLEGAL_ARGUMENT_ERROR;
+ return 0;
+ }
+ if(length==0) {
+ return u_terminateUChars(dest, destCapacity, 0, pErrorCode);
+ }
+
+ root = tag == _kCountries ? U_ICUDATA_REGION : U_ICUDATA_LANG;
+
+ return _getStringOrCopyKey(root, displayLocale,
+ tag, NULL, localeBuffer,
+ localeBuffer,
+ dest, destCapacity,
+ pErrorCode);
+}
+
+U_CAPI int32_t U_EXPORT2
+uloc_getDisplayLanguage(const char *locale,
+ const char *displayLocale,
+ UChar *dest, int32_t destCapacity,
+ UErrorCode *pErrorCode) {
+ return _getDisplayNameForComponent(locale, displayLocale, dest, destCapacity,
+ uloc_getLanguage, _kLanguages, pErrorCode);
+}
+
+U_CAPI int32_t U_EXPORT2
+uloc_getDisplayScript(const char* locale,
+ const char* displayLocale,
+ UChar *dest, int32_t destCapacity,
+ UErrorCode *pErrorCode)
+{
+ UErrorCode err = U_ZERO_ERROR;
+ int32_t res = _getDisplayNameForComponent(locale, displayLocale, dest, destCapacity,
+ uloc_getScript, _kScriptsStandAlone, &err);
+
+ if ( err == U_USING_DEFAULT_WARNING ) {
+ return _getDisplayNameForComponent(locale, displayLocale, dest, destCapacity,
+ uloc_getScript, _kScripts, pErrorCode);
+ } else {
+ *pErrorCode = err;
+ return res;
+ }
+}
+
+U_INTERNAL int32_t U_EXPORT2
+uloc_getDisplayScriptInContext(const char* locale,
+ const char* displayLocale,
+ UChar *dest, int32_t destCapacity,
+ UErrorCode *pErrorCode)
+{
+ return _getDisplayNameForComponent(locale, displayLocale, dest, destCapacity,
+ uloc_getScript, _kScripts, pErrorCode);
+}
+
+U_CAPI int32_t U_EXPORT2
+uloc_getDisplayCountry(const char *locale,
+ const char *displayLocale,
+ UChar *dest, int32_t destCapacity,
+ UErrorCode *pErrorCode) {
+ return _getDisplayNameForComponent(locale, displayLocale, dest, destCapacity,
+ uloc_getCountry, _kCountries, pErrorCode);
+}
+
+/*
+ * TODO separate variant1_variant2_variant3...
+ * by getting each tag's display string and concatenating them with ", "
+ * in between - similar to uloc_getDisplayName()
+ */
+U_CAPI int32_t U_EXPORT2
+uloc_getDisplayVariant(const char *locale,
+ const char *displayLocale,
+ UChar *dest, int32_t destCapacity,
+ UErrorCode *pErrorCode) {
+ return _getDisplayNameForComponent(locale, displayLocale, dest, destCapacity,
+ uloc_getVariant, _kVariants, pErrorCode);
+}
+
+/* Instead of having a separate pass for 'special' patterns, reintegrate the two
+ * so we don't get bitten by preflight bugs again. We can be reasonably efficient
+ * without two separate code paths, this code isn't that performance-critical.
+ *
+ * This code is general enough to deal with patterns that have a prefix or swap the
+ * language and remainder components, since we gave developers enough rope to do such
+ * things if they futz with the pattern data. But since we don't give them a way to
+ * specify a pattern for arbitrary combinations of components, there's not much use in
+ * that. I don't think our data includes such patterns, the only variable I know if is
+ * whether there is a space before the open paren, or not. Oh, and zh uses different
+ * chars than the standard open/close paren (which ja and ko use, btw).
+ */
+U_CAPI int32_t U_EXPORT2
+uloc_getDisplayName(const char *locale,
+ const char *displayLocale,
+ UChar *dest, int32_t destCapacity,
+ UErrorCode *pErrorCode)
+{
+ static const UChar defaultSeparator[3] = { 0x002c, 0x0020, 0x0000 }; /* comma + space */
+ static const int32_t defaultSepLen = 2;
+ static const UChar sub0[4] = { 0x007b, 0x0030, 0x007d , 0x0000 } ; /* {0} */
+ static const UChar sub1[4] = { 0x007b, 0x0031, 0x007d , 0x0000 } ; /* {1} */
+ static const int32_t subLen = 3;
+ static const UChar defaultPattern[10] = {
+ 0x007b, 0x0030, 0x007d, 0x0020, 0x0028, 0x007b, 0x0031, 0x007d, 0x0029, 0x0000
+ }; /* {0} ({1}) */
+ static const int32_t defaultPatLen = 9;
+ static const int32_t defaultSub0Pos = 0;
+ static const int32_t defaultSub1Pos = 5;
+
+ int32_t length; /* of formatted result */
+
+ const UChar *separator;
+ int32_t sepLen = 0;
+ const UChar *pattern;
+ int32_t patLen = 0;
+ int32_t sub0Pos, sub1Pos;
+
+ UBool haveLang = TRUE; /* assume true, set false if we find we don't have
+ a lang component in the locale */
+ UBool haveRest = TRUE; /* assume true, set false if we find we don't have
+ any other component in the locale */
+ UBool retry = FALSE; /* set true if we need to retry, see below */
+
+ int32_t langi = 0; /* index of the language substitution (0 or 1), virtually always 0 */
+
+ if(pErrorCode==NULL || U_FAILURE(*pErrorCode)) {
+ return 0;
+ }
+
+ if(destCapacity<0 || (destCapacity>0 && dest==NULL)) {
+ *pErrorCode=U_ILLEGAL_ARGUMENT_ERROR;
+ return 0;
+ }
+
+ {
+ UErrorCode status = U_ZERO_ERROR;
+ UResourceBundle* locbundle=ures_open(U_ICUDATA_LANG, displayLocale, &status);
+ UResourceBundle* dspbundle=ures_getByKeyWithFallback(locbundle, _kLocaleDisplayPattern,
+ NULL, &status);
+
+ separator=ures_getStringByKeyWithFallback(dspbundle, _kSeparator, &sepLen, &status);
+ pattern=ures_getStringByKeyWithFallback(dspbundle, _kPattern, &patLen, &status);
+
+ ures_close(dspbundle);
+ ures_close(locbundle);
+ }
+
+ /* If we couldn't find any data, then use the defaults */
+ if(sepLen == 0) {
+ separator = defaultSeparator;
+ sepLen = defaultSepLen;
+ }
+
+ if(patLen==0 || (patLen==defaultPatLen && !u_strncmp(pattern, defaultPattern, patLen))) {
+ pattern=defaultPattern;
+ patLen=defaultPatLen;
+ sub0Pos=defaultSub0Pos;
+ sub1Pos=defaultSub1Pos;
+ } else { /* non-default pattern */
+ UChar *p0=u_strstr(pattern, sub0);
+ UChar *p1=u_strstr(pattern, sub1);
+ if (p0==NULL || p1==NULL) {
+ *pErrorCode=U_ILLEGAL_ARGUMENT_ERROR;
+ return 0;
+ }
+ sub0Pos=p0-pattern;
+ sub1Pos=p1-pattern;
+ if (sub1Pos < sub0Pos) { /* a very odd pattern */
+ int32_t t=sub0Pos; sub0Pos=sub1Pos; sub1Pos=t;
+ langi=1;
+ }
+ }
+
+ /* We loop here because there is one case in which after the first pass we could need to
+ * reextract the data. If there's initial padding before the first element, we put in
+ * the padding and then write that element. If it turns out there's no second element,
+ * we didn't need the padding. If we do need the data (no preflight), and the first element
+ * would have fit but for the padding, we need to reextract. In this case (only) we
+ * adjust the parameters so padding is not added, and repeat.
+ */
+ do {
+ UChar* p=dest;
+ int32_t patPos=0; /* position in the pattern, used for non-substitution portions */
+ int32_t langLen=0; /* length of language substitution */
+ int32_t langPos=0; /* position in output of language substitution */
+ int32_t restLen=0; /* length of 'everything else' substitution */
+ int32_t restPos=0; /* position in output of 'everything else' substitution */
+ UEnumeration* kenum = NULL; /* keyword enumeration */
+
+ /* prefix of pattern, extremely likely to be empty */
+ if(sub0Pos) {
+ if(destCapacity >= sub0Pos) {
+ while (patPos < sub0Pos) {
+ *p++ = pattern[patPos++];
+ }
+ } else {
+ patPos=sub0Pos;
+ }
+ length=sub0Pos;
+ } else {
+ length=0;
+ }
+
+ for(int32_t subi=0,resti=0;subi<2;) { /* iterate through patterns 0 and 1*/
+ UBool subdone = FALSE; /* set true when ready to move to next substitution */
+
+ /* prep p and cap for calls to get display components, pin cap to 0 since
+ they complain if cap is negative */
+ int32_t cap=destCapacity-length;
+ if (cap <= 0) {
+ cap=0;
+ } else {
+ p=dest+length;
+ }
+
+ if (subi == langi) { /* {0}*/
+ if(haveLang) {
+ langPos=length;
+ langLen=uloc_getDisplayLanguage(locale, displayLocale, p, cap, pErrorCode);
+ length+=langLen;
+ haveLang=langLen>0;
+ }
+ subdone=TRUE;
+ } else { /* {1} */
+ if(!haveRest) {
+ subdone=TRUE;
+ } else {
+ int32_t len; /* length of component (plus other stuff) we just fetched */
+ switch(resti++) {
+ case 0:
+ restPos=length;
+ len=uloc_getDisplayScriptInContext(locale, displayLocale, p, cap, pErrorCode);
+ break;
+ case 1:
+ len=uloc_getDisplayCountry(locale, displayLocale, p, cap, pErrorCode);
+ break;
+ case 2:
+ len=uloc_getDisplayVariant(locale, displayLocale, p, cap, pErrorCode);
+ break;
+ case 3:
+ kenum = uloc_openKeywords(locale, pErrorCode);
+ /* fall through */
+ default: {
+ const char* kw=uenum_next(kenum, &len, pErrorCode);
+ if (kw == NULL) {
+ uenum_close(kenum);
+ len=0; /* mark that we didn't add a component */
+ subdone=TRUE;
+ } else {
+ /* incorporating this behavior into the loop made it even more complex,
+ so just special case it here */
+ len = uloc_getDisplayKeyword(kw, displayLocale, p, cap, pErrorCode);
+ if(len) {
+ if(len < cap) {
+ p[len]=0x3d; /* '=', assume we'll need it */
+ }
+ len+=1;
+
+ /* adjust for call to get keyword */
+ cap-=len;
+ if(cap <= 0) {
+ cap=0;
+ } else {
+ p+=len;
+ }
+ }
+ /* reset for call below */
+ if(*pErrorCode == U_BUFFER_OVERFLOW_ERROR) {
+ *pErrorCode=U_ZERO_ERROR;
+ }
+ int32_t vlen = uloc_getDisplayKeywordValue(locale, kw, displayLocale,
+ p, cap, pErrorCode);
+ if(len) {
+ if(vlen==0) {
+ --len; /* remove unneeded '=' */
+ }
+ /* restore cap and p to what they were at start */
+ cap=destCapacity-length;
+ if(cap <= 0) {
+ cap=0;
+ } else {
+ p=dest+length;
+ }
+ }
+ len+=vlen; /* total we added for key + '=' + value */
+ }
+ } break;
+ } /* end switch */
+
+ if (len>0) {
+ /* we addeed a component, so add separator and write it if there's room. */
+ if(len+sepLen<=cap) {
+ p+=len;
+ for(int32_t i=0;i<sepLen;++i) {
+ *p++=separator[i];
+ }
+ }
+ length+=len+sepLen;
+ } else if(subdone) {
+ /* remove separator if we added it */
+ if (length!=restPos) {
+ length-=sepLen;
+ }
+ restLen=length-restPos;
+ haveRest=restLen>0;
+ }
+ }
+ }
+
+ if(*pErrorCode == U_BUFFER_OVERFLOW_ERROR) {
+ *pErrorCode=U_ZERO_ERROR;
+ }
+
+ if(subdone) {
+ if(haveLang && haveRest) {
+ /* append internal portion of pattern, the first time,
+ or last portion of pattern the second time */
+ int32_t padLen;
+ patPos+=subLen;
+ padLen=(subi==0 ? sub1Pos : patLen)-patPos;
+ if(length+padLen < destCapacity) {
+ p=dest+length;
+ for(int32_t i=0;i<padLen;++i) {
+ *p++=pattern[patPos++];
+ }
+ } else {
+ patPos+=padLen;
+ }
+ length+=padLen;
+ } else if(subi==0) {
+ /* don't have first component, reset for second component */
+ sub0Pos=0;
+ length=0;
+ } else if(length>0) {
+ /* true length is the length of just the component we got. */
+ length=haveLang?langLen:restLen;
+ if(dest && sub0Pos!=0) {
+ if (sub0Pos+length<=destCapacity) {
+ /* first component not at start of result,
+ but we have full component in buffer. */
+ u_memmove(dest, dest+(haveLang?langPos:restPos), length);
+ } else {
+ /* would have fit, but didn't because of pattern prefix. */
+ sub0Pos=0; /* stops initial padding (and a second retry,
+ so we won't end up here again) */
+ retry=TRUE;
+ }
+ }
+ }
+
+ ++subi; /* move on to next substitution */
+ }
+ }
+ } while(retry);
+
+ return u_terminateUChars(dest, destCapacity, length, pErrorCode);
+}
+
+U_CAPI int32_t U_EXPORT2
+uloc_getDisplayKeyword(const char* keyword,
+ const char* displayLocale,
+ UChar* dest,
+ int32_t destCapacity,
+ UErrorCode* status){
+
+ /* argument checking */
+ if(status==NULL || U_FAILURE(*status)) {
+ return 0;
+ }
+
+ if(destCapacity<0 || (destCapacity>0 && dest==NULL)) {
+ *status=U_ILLEGAL_ARGUMENT_ERROR;
+ return 0;
+ }
+
+
+ /* pass itemKey=NULL to look for a top-level item */
+ return _getStringOrCopyKey(U_ICUDATA_LANG, displayLocale,
+ _kKeys, NULL,
+ keyword,
+ keyword,
+ dest, destCapacity,
+ status);
+
+}
+
+
+#define UCURRENCY_DISPLAY_NAME_INDEX 1
+
+U_CAPI int32_t U_EXPORT2
+uloc_getDisplayKeywordValue( const char* locale,
+ const char* keyword,
+ const char* displayLocale,
+ UChar* dest,
+ int32_t destCapacity,
+ UErrorCode* status){
+
+
+ char keywordValue[ULOC_FULLNAME_CAPACITY*4];
+ int32_t capacity = ULOC_FULLNAME_CAPACITY*4;
+ int32_t keywordValueLen =0;
+
+ /* argument checking */
+ if(status==NULL || U_FAILURE(*status)) {
+ return 0;
+ }
+
+ if(destCapacity<0 || (destCapacity>0 && dest==NULL)) {
+ *status=U_ILLEGAL_ARGUMENT_ERROR;
+ return 0;
+ }
+
+ /* get the keyword value */
+ keywordValue[0]=0;
+ keywordValueLen = uloc_getKeywordValue(locale, keyword, keywordValue, capacity, status);
+
+ /*
+ * if the keyword is equal to currency .. then to get the display name
+ * we need to do the fallback ourselves
+ */
+ if(uprv_stricmp(keyword, _kCurrency)==0){
+
+ int32_t dispNameLen = 0;
+ const UChar *dispName = NULL;
+
+ UResourceBundle *bundle = ures_open(U_ICUDATA_CURR, displayLocale, status);
+ UResourceBundle *currencies = ures_getByKey(bundle, _kCurrencies, NULL, status);
+ UResourceBundle *currency = ures_getByKeyWithFallback(currencies, keywordValue, NULL, status);
+
+ dispName = ures_getStringByIndex(currency, UCURRENCY_DISPLAY_NAME_INDEX, &dispNameLen, status);
+
+ /*close the bundles */
+ ures_close(currency);
+ ures_close(currencies);
+ ures_close(bundle);
+
+ if(U_FAILURE(*status)){
+ if(*status == U_MISSING_RESOURCE_ERROR){
+ /* we just want to write the value over if nothing is available */
+ *status = U_USING_DEFAULT_WARNING;
+ }else{
+ return 0;
+ }
+ }
+
+ /* now copy the dispName over if not NULL */
+ if(dispName != NULL){
+ if(dispNameLen <= destCapacity){
+ uprv_memcpy(dest, dispName, dispNameLen * U_SIZEOF_UCHAR);
+ return u_terminateUChars(dest, destCapacity, dispNameLen, status);
+ }else{
+ *status = U_BUFFER_OVERFLOW_ERROR;
+ return dispNameLen;
+ }
+ }else{
+ /* we have not found the display name for the value .. just copy over */
+ if(keywordValueLen <= destCapacity){
+ u_charsToUChars(keywordValue, dest, keywordValueLen);
+ return u_terminateUChars(dest, destCapacity, keywordValueLen, status);
+ }else{
+ *status = U_BUFFER_OVERFLOW_ERROR;
+ return keywordValueLen;
+ }
+ }
+
+
+ }else{
+
+ return _getStringOrCopyKey(U_ICUDATA_LANG, displayLocale,
+ _kTypes, keyword,
+ keywordValue,
+ keywordValue,
+ dest, destCapacity,
+ status);
+ }
+}
Property changes on: icu51/source/common/locdispnames.cpp
___________________________________________________________________
Added: svn:eol-style
+ LF
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