// © 2016 and later: Unicode, Inc. and others. // License & terms of use: http://www.unicode.org/copyright.html /* ********************************************************************** * Copyright (C) 2000-2016, International Business Machines * Corporation and others. All Rights Reserved. ********************************************************************** */ #ifndef URESIMP_H #define URESIMP_H #include "unicode/ures.h" #include "unicode/utypes.h" #include "uresdata.h" #define kRootLocaleName … #define kPoolBundleName … /* The default minor version and the version separator must be exactly one character long. */ #define kDefaultMinorVersion … #define kVersionSeparator … #define kVersionTag … #define MAGIC1 … #define MAGIC2 … #define URES_MAX_ALIAS_LEVEL … #define EMPTY_SET … struct UResourceDataEntry; UResourceDataEntry; /* * Note: If we wanted to make this structure smaller, then we could try * to use one UResourceDataEntry pointer for fAlias and fPool, with a separate * flag to distinguish whether this struct is for a real bundle with a pool, * or for an alias entry for which we won't use the pool after loading. */ struct UResourceDataEntry { … }; #define RES_BUFSIZE … #define RES_PATH_SEPARATOR … #define RES_PATH_SEPARATOR_S … U_CAPI void U_EXPORT2 ures_initStackObject(UResourceBundle* resB); #ifdef __cplusplus struct UResourceBundle { … }; U_NAMESPACE_BEGIN /** * \class StackUResourceBundle * "Smart pointer" like class, closes a UResourceBundle via ures_close(). * * This code: * * StackUResourceBundle bundle; * foo(bundle.getAlias()); * * Is equivalent to this code: * * UResourceBundle bundle; * ures_initStackObject(&bundle); * foo(&bundle); * ures_close(&bundle); * * @see LocalUResourceBundlePointer * @internal */ class U_COMMON_API StackUResourceBundle { … }; U_NAMESPACE_END #endif /* __cplusplus */ /** * Opens a resource bundle for the locale; * if there is not even a base language bundle, then loads the root bundle; * never falls back to the default locale. * * This is used for algorithms that have good pan-Unicode default behavior, * such as case mappings, collation, and segmentation (BreakIterator). */ U_CAPI UResourceBundle* U_EXPORT2 ures_openNoDefault(const char* path, const char* localeID, UErrorCode* status); /* Some getters used by the copy constructor */ U_CFUNC const char* ures_getName(const UResourceBundle* resB); #ifdef URES_DEBUG U_CFUNC const char* ures_getPath(const UResourceBundle* resB); /** * If anything was in the RB cache, dump it to the screen. * @return true if there was anything into the cache */ U_CAPI UBool U_EXPORT2 ures_dumpCacheContents(void); #endif /* Candidates for export */ U_CFUNC UResourceBundle *ures_copyResb(UResourceBundle *r, const UResourceBundle *original, UErrorCode *status); /** * Returns a resource that can be located using the pathToResource argument. One needs optional package, locale * and path inside the locale, for example: "/myData/en/zoneStrings/3". Keys and indexes are supported. Keys * need to reference data in named structures, while indexes can reference both named and anonymous resources. * Features a fill-in parameter. * * Note, this function does NOT have a syntax for specifying items within a tree. May want to consider a * syntax that delineates between package/tree and resource. * * @param pathToResource a path that will lead to the requested resource * @param fillIn if NULL a new UResourceBundle struct is allocated and must be deleted by the caller. * Alternatively, you can supply a struct to be filled by this function. * @param status fills in the outgoing error code. * @return a pointer to a UResourceBundle struct. If fill in param was NULL, caller must delete it */ U_CAPI UResourceBundle* U_EXPORT2 ures_findResource(const char* pathToResource, UResourceBundle *fillIn, UErrorCode *status); /** * Returns a sub resource that can be located using the pathToResource argument. One needs a path inside * the supplied resource, for example, if you have "en_US" resource bundle opened, you might ask for * "zoneStrings/3". Keys and indexes are supported. Keys * need to reference data in named structures, while indexes can reference both * named and anonymous resources. * Features a fill-in parameter. * * @param resourceBundle a resource * @param pathToResource a path that will lead to the requested resource * @param fillIn if NULL a new UResourceBundle struct is allocated and must be deleted by the caller. * Alternatively, you can supply a struct to be filled by this function. * @param status fills in the outgoing error code. * @return a pointer to a UResourceBundle struct. If fill in param was NULL, caller must delete it */ U_CAPI UResourceBundle* U_EXPORT2 ures_findSubResource(const UResourceBundle *resB, char* pathToResource, UResourceBundle *fillIn, UErrorCode *status); /** * Returns a functionally equivalent locale (considering keywords) for the specified keyword. * @param result fillin for the equivalent locale * @param resultCapacity capacity of the fillin buffer * @param path path to the tree, or NULL for ICU data * @param resName top level resource. Example: "collations" * @param keyword locale keyword. Example: "collation" * @param locid The requested locale * @param isAvailable If non-null, pointer to fillin parameter that indicates whether the * requested locale was available. The locale is defined as 'available' if it physically * exists within the specified tree. * @param omitDefault if true, omit keyword and value if default. 'de_DE\@collation=standard' -> 'de_DE' * @param status error code * @return the actual buffer size needed for the full locale. If it's greater * than resultCapacity, the returned full name will be truncated and an error code will be returned. */ U_CAPI int32_t U_EXPORT2 ures_getFunctionalEquivalent(char *result, int32_t resultCapacity, const char *path, const char *resName, const char *keyword, const char *locid, UBool *isAvailable, UBool omitDefault, UErrorCode *status); /** * Given a tree path and keyword, return a string enumeration of all possible values for that keyword. * @param path path to the tree, or NULL for ICU data * @param keyword a particular keyword to consider, must match a top level resource name * within the tree. * @param status error code */ U_CAPI UEnumeration* U_EXPORT2 ures_getKeywordValues(const char *path, const char *keyword, UErrorCode *status); /** * Get a resource with multi-level fallback. Normally only the top level resources will * fallback to its parent. This performs fallback on subresources. For example, when a table * is defined in a resource bundle and a parent resource bundle, normally no fallback occurs * on the sub-resources because the table is defined in the current resource bundle, but this * function can perform fallback on the sub-resources of the table. * @param resB a resource * @param inKey a key associated with the requested resource * @param fillIn if NULL a new UResourceBundle struct is allocated and must be deleted by the caller. * Alternatively, you can supply a struct to be filled by this function. * @param status: fills in the outgoing error code * could be <TT>U_MISSING_RESOURCE_ERROR</TT> if the key is not found * could be a non-failing error * e.g.: <TT>U_USING_FALLBACK_WARNING</TT>,<TT>U_USING_DEFAULT_WARNING </TT> * @return a pointer to a UResourceBundle struct. If fill in param was NULL, caller must delete it */ U_CAPI UResourceBundle* U_EXPORT2 ures_getByKeyWithFallback(const UResourceBundle *resB, const char* inKey, UResourceBundle *fillIn, UErrorCode *status); /** * Get a String with multi-level fallback. Normally only the top level resources will * fallback to its parent. This performs fallback on subresources. For example, when a table * is defined in a resource bundle and a parent resource bundle, normally no fallback occurs * on the sub-resources because the table is defined in the current resource bundle, but this * function can perform fallback on the sub-resources of the table. * @param resB a resource * @param inKey a key associated with the requested resource * @param len if not NULL, used to return the length of the string * @param status: fills in the outgoing error code * could be <TT>U_MISSING_RESOURCE_ERROR</TT> if the key is not found * could be a non-failing error * e.g.: <TT>U_USING_FALLBACK_WARNING</TT>,<TT>U_USING_DEFAULT_WARNING </TT> * @return returns a pointer to a zero-terminated UChar array which lives in a * memory mapped/DLL file. */ U_CAPI const UChar* U_EXPORT2 ures_getStringByKeyWithFallback(const UResourceBundle *resB, const char* inKey, int32_t* len, UErrorCode *status); #ifdef __cplusplus U_CAPI void U_EXPORT2 ures_getValueWithFallback(const UResourceBundle *bundle, const char *path, UResourceBundle *tempFillIn, icu::ResourceDataValue &value, UErrorCode &errorCode); /** * Locates the resource specified by `path` in the resource bundle specified by `bundle` (performing any * necessary fallback and following any aliases) and calls the specified `sink`'s `put()` method with that * resource. Then walks the bundle's parent chain, calling `put()` on the sink for each item in the * parent chain. * @param bundle The bundle to search * @param path The path of the desired resource * @param sink A `ResourceSink` that gets called for each resource in the parent chain * @param errorCode The error code */ U_CAPI void U_EXPORT2 ures_getAllItemsWithFallback(const UResourceBundle *bundle, const char *path, icu::ResourceSink &sink, UErrorCode &errorCode); /** * Locates the resource specified by `path` in the resource bundle specified by `bundle` (performing any * necessary fallback and following any aliases) and, if the resource is a table resource, iterates over its * immediate child resources (again, following any aliases to get the individual resource values), and calls the specified * `sink`'s `put()` method for each child resource (passing it that resource's key and either its actual value or, * if that value is an alias, the value you get by following the alias). Then walks back over the bundle's * parent chain, similarly iterating over each parent table resource's child resources. * Does not descend beyond one level of table children. * @param bundle The bundle to search * @param path The path of the desired resource * @param sink A `ResourceSink` that gets called for each child resource of the specified resource (and each child * of the resources in its parent chain). * @param errorCode The error code. This will be U_RESOURCE_TYPE_MISMATCH if the resource the caller * is asking for isn't a table resource. */ U_CAPI void U_EXPORT2 ures_getAllChildrenWithFallback(const UResourceBundle *bundle, const char *path, icu::ResourceSink &sink, UErrorCode &errorCode); #endif /* __cplusplus */ /** * Get a version number by key * @param resB bundle containing version number * @param key the key for the version number * @param ver fillin for the version number * @param status error code */ U_CAPI void U_EXPORT2 ures_getVersionByKey(const UResourceBundle *resB, const char *key, UVersionInfo ver, UErrorCode *status); /** * Internal function. * Return the version number associated with this ResourceBundle as a string. * * @param resourceBundle The resource bundle for which the version is checked. * @return A version number string as specified in the resource bundle or its parent. * The caller does not own this string. * @see ures_getVersion */ U_CAPI const char* U_EXPORT2 ures_getVersionNumberInternal(const UResourceBundle *resourceBundle); /** * Return the name of the Locale associated with this ResourceBundle. This API allows * you to query for the real locale of the resource. For example, if you requested * "en_US_CALIFORNIA" and only "en_US" bundle exists, "en_US" will be returned. * For subresources, the locale where this resource comes from will be returned. * If fallback has occurred, getLocale will reflect this. * * This internal version avoids deprecated-warnings in ICU code. * * @param resourceBundle resource bundle in question * @param status just for catching illegal arguments * @return A Locale name */ U_CAPI const char* U_EXPORT2 ures_getLocaleInternal(const UResourceBundle* resourceBundle, UErrorCode* status); /** * Same as ures_openDirect() but uses the fill-in parameter instead of allocating a new bundle. * * @param r The existing UResourceBundle to fill in. If NULL then status will be * set to U_ILLEGAL_ARGUMENT_ERROR. * @param packageName The packageName and locale together point to an ICU udata object, * as defined by <code> udata_open( packageName, "res", locale, err) </code> * or equivalent. Typically, packageName will refer to a (.dat) file, or to * a package registered with udata_setAppData(). Using a full file or directory * pathname for packageName is deprecated. If NULL, ICU data will be used. * @param locale specifies the locale for which we want to open the resource * if NULL, the default locale will be used. If strlen(locale) == 0 * root locale will be used. * @param status The error code. * @see ures_openDirect * @internal */ U_CAPI void U_EXPORT2 ures_openDirectFillIn(UResourceBundle *r, const char *packageName, const char *locale, UErrorCode *status); #endif /*URESIMP_H*/
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