X-Git-Url: https://git.saurik.com/apple/icu.git/blobdiff_plain/73c04bcfe1096173b00431f0cdc742894b15eef0..a01113dcd0f39d5da295ef82785beff9ed86fe38:/icuSources/common/uresimp.h diff --git a/icuSources/common/uresimp.h b/icuSources/common/uresimp.h index 3e530d9e..51db6c52 100644 --- a/icuSources/common/uresimp.h +++ b/icuSources/common/uresimp.h @@ -1,6 +1,8 @@ +// © 2016 and later: Unicode, Inc. and others. +// License & terms of use: http://www.unicode.org/copyright.html /* ********************************************************************** -* Copyright (C) 2000-2006, International Business Machines +* Copyright (C) 2000-2016, International Business Machines * Corporation and others. All Rights Reserved. ********************************************************************** */ @@ -9,10 +11,12 @@ #define URESIMP_H #include "unicode/ures.h" +#include "unicode/utypes.h" #include "uresdata.h" #define kRootLocaleName "root" +#define kPoolBundleName "pool" /* The default minor version and the version separator must be exactly one @@ -29,29 +33,28 @@ #define URES_MAX_ALIAS_LEVEL 256 #define URES_MAX_BUFFER_SIZE 256 -/* -enum UResEntryType { - ENTRY_OK = 0, - ENTRY_GOTO_ROOT = 1, - ENTRY_GOTO_DEFAULT = 2, - ENTRY_INVALID = 3 -}; - -typedef enum UResEntryType UResEntryType; -*/ +#define EMPTY_SET 0x2205 struct UResourceDataEntry; typedef 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 { char *fName; /* name of the locale for bundle - still to decide whether it is original or fallback */ char *fPath; /* path to bundle - used for distinguishing between resources with the same name */ - uint32_t fCountExisting; /* how much is this resource used */ - ResourceData fData; /* data for low level access */ UResourceDataEntry *fParent; /*next resource in fallback chain*/ -/* UResEntryType fStatus;*/ + UResourceDataEntry *fAlias; + UResourceDataEntry *fPool; + ResourceData fData; /* data for low level access */ + char fNameBuffer[3]; /* A small buffer of free space for fName. The free space is due to struct padding. */ + uint32_t fCountExisting; /* how much is this resource used */ UErrorCode fBogus; - int32_t fHashKey; /* for faster access in the hashtable */ + /* int32_t fHashKey;*/ /* for faster access in the hashtable */ }; #define RES_BUFSIZE 64 @@ -62,28 +65,99 @@ struct UResourceBundle { const char *fKey; /*tag*/ UResourceDataEntry *fData; /*for low-level access*/ char *fVersion; + UResourceDataEntry *fTopLevelData; /* for getting the valid locale */ char *fResPath; /* full path to the resource: "zh_TW/CollationElements/Sequence" */ + ResourceData fResData; char fResBuf[RES_BUFSIZE]; int32_t fResPathLen; + Resource fRes; UBool fHasFallback; UBool fIsTopLevel; uint32_t fMagic1; /* For determining if it's a stack object */ uint32_t fMagic2; /* For determining if it's a stack object */ int32_t fIndex; int32_t fSize; - ResourceData fResData; - Resource fRes; - - UResourceDataEntry *fTopLevelData; /* for getting the valid locale */ - const UResourceBundle *fParentRes; /* needed to get the actual locale for a child resource */ + /*const UResourceBundle *fParentRes;*/ /* needed to get the actual locale for a child resource */ }; U_CAPI void U_EXPORT2 ures_initStackObject(UResourceBundle* resB); +#ifdef __cplusplus + +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 { +public: + // No heap allocation. Use only on the stack. + static void* U_EXPORT2 operator new(size_t) U_NOEXCEPT = delete; + static void* U_EXPORT2 operator new[](size_t) U_NOEXCEPT = delete; +#if U_HAVE_PLACEMENT_NEW + static void* U_EXPORT2 operator new(size_t, void*) U_NOEXCEPT = delete; +#endif + + StackUResourceBundle(); + ~StackUResourceBundle(); + + UResourceBundle* getAlias() { return &bundle; } + + UResourceBundle& ref() { return bundle; } + const UResourceBundle& ref() const { return bundle; } + + StackUResourceBundle(const StackUResourceBundle&) = delete; + StackUResourceBundle& operator=(const StackUResourceBundle&) = delete; + + StackUResourceBundle(StackUResourceBundle&&) = delete; + StackUResourceBundle& operator=(StackUResourceBundle&&) = delete; + +private: + UResourceBundle bundle; +}; + +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 /*U_CFUNC void ures_appendResPath(UResourceBundle *resB, const char* toAdd, int32_t lenToAdd);*/ /*U_CFUNC void ures_setResPath(UResourceBundle *resB, const char* toAdd);*/ /*U_CFUNC void ures_freeResPath(UResourceBundle *resB);*/ @@ -105,7 +179,6 @@ U_CFUNC UResourceBundle *ures_copyResb(UResourceBundle *r, const UResourceBundle * 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 - * @draft ICU 2.2 */ U_CAPI UResourceBundle* U_EXPORT2 ures_findResource(const char* pathToResource, @@ -125,7 +198,6 @@ ures_findResource(const char* pathToResource, * 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 - * @draft ICU 2.2 */ U_CAPI UResourceBundle* U_EXPORT2 ures_findSubResource(const UResourceBundle *resB, @@ -147,9 +219,8 @@ ures_findSubResource(const UResourceBundle *resB, * @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. - * @internal ICU 3.0 */ -U_INTERNAL int32_t U_EXPORT2 +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); @@ -160,38 +231,10 @@ ures_getFunctionalEquivalent(char *result, int32_t resultCapacity, * @param keyword a particular keyword to consider, must match a top level resource name * within the tree. * @param status error code - * @internal ICU 3.0 */ -U_INTERNAL UEnumeration* U_EXPORT2 +U_CAPI UEnumeration* U_EXPORT2 ures_getKeywordValues(const char *path, const char *keyword, UErrorCode *status); -/** - * Test if 2 resource bundles are equal - * @param res1 - * @param res2 - * @param status error code - * @internal ICU 3.6 - */ -U_INTERNAL UBool U_EXPORT2 -ures_equal(const UResourceBundle* res1, const UResourceBundle* res2); - -/** - * Clones the given resource bundle - * @param res - * @param status error code - * @internal ICU 3.6 - */ -U_INTERNAL UResourceBundle* U_EXPORT2 -ures_clone(const UResourceBundle* res, UErrorCode* status); - -/** - * Returns the parent bundle. Internal. DONOT close the returned bundle!!! - * @param res - * @internal ICU 3.6 - */ -U_INTERNAL const UResourceBundle* U_EXPORT2 -ures_getParentBundle(const UResourceBundle* res); - /** * Get a resource with multi-level fallback. Normally only the top level resources will @@ -208,9 +251,8 @@ ures_getParentBundle(const UResourceBundle* res); * could be a non-failing error * e.g.: U_USING_FALLBACK_WARNING,U_USING_DEFAULT_WARNING * @return a pointer to a UResourceBundle struct. If fill in param was NULL, caller must delete it - * @internal ICU 3.0 */ -U_INTERNAL UResourceBundle* U_EXPORT2 +U_CAPI UResourceBundle* U_EXPORT2 ures_getByKeyWithFallback(const UResourceBundle *resB, const char* inKey, UResourceBundle *fillIn, @@ -230,12 +272,85 @@ ures_getByKeyWithFallback(const UResourceBundle *resB, * could be a non-failing error * e.g.: U_USING_FALLBACK_WARNING,U_USING_DEFAULT_WARNING * @return a pointer to a UResourceBundle struct. If fill in param was NULL, caller must delete it - * @internal ICU 3.4 - * @draft ICU 3.4 */ -U_INTERNAL const UChar* U_EXPORT2 +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_getAllItemsWithFallback(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 occured, 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 udata_open( packageName, "res", locale, err) + * 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*/