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// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
**********************************************************************
*   Copyright (C) 1997-2016, International Business Machines
*   Corporation and others.  All Rights Reserved.
**********************************************************************
*
* File URES.H (formerly CRESBUND.H)
*
* Modification History:
*
*   Date        Name        Description
*   04/01/97    aliu        Creation.
*   02/22/99    damiba      overhaul.
*   04/04/99    helena      Fixed internal header inclusion.
*   04/15/99    Madhu       Updated Javadoc
*   06/14/99    stephen     Removed functions taking a filename suffix.
*   07/20/99    stephen     Language-independent typedef to void*
*   11/09/99    weiv        Added ures_getLocale()
*   06/24/02    weiv        Added support for resource sharing
******************************************************************************
*/

#ifndef URES_H
#define URES_H

#include "unicode/utypes.h"
#include "unicode/uloc.h"
#include "unicode/localpointer.h"

/**
 * \file
 * \brief C API: Resource Bundle
 *
 * <h2>C API: Resource Bundle</h2>
 *
 * C API representing a collection of resource information pertaining to a given
 * locale. A resource bundle provides a way of accessing locale- specific information in
 * a data file. You create a resource bundle that manages the resources for a given
 * locale and then ask it for individual resources.
 * <P>
 * Resource bundles in ICU4C are currently defined using text files which conform to the following
 * <a href="http://source.icu-project.org/repos/icu/icuhtml/trunk/design/bnf_rb.txt">BNF definition</a>.
 * More on resource bundle concepts and syntax can be found in the
 * <a href="http://icu-project.org/userguide/ResourceManagement.html">Users Guide</a>.
 * <P>
 */

/**
 * UResourceBundle is an opaque type for handles for resource bundles in C APIs.
 * @stable ICU 2.0
 */
struct UResourceBundle;

/**
 * @stable ICU 2.0
 */
typedef struct UResourceBundle UResourceBundle;

/**
 * Numeric constants for types of resource items.
 * @see ures_getType
 * @stable ICU 2.0
 */
typedef enum {
    /** Resource type constant for "no resource". @stable ICU 2.6 */
    URES_NONE=-1,

    /** Resource type constant for 16-bit Unicode strings. @stable ICU 2.6 */
    URES_STRING=0,

    /** Resource type constant for binary data. @stable ICU 2.6 */
    URES_BINARY=1,

    /** Resource type constant for tables of key-value pairs. @stable ICU 2.6 */
    URES_TABLE=2,

    /**
     * Resource type constant for aliases;
     * internally stores a string which identifies the actual resource
     * storing the data (can be in a different resource bundle).
     * Resolved internally before delivering the actual resource through the API.
     * @stable ICU 2.6
     */
    URES_ALIAS=3,

    /**
     * Resource type constant for a single 28-bit integer, interpreted as
     * signed or unsigned by the ures_getInt() or ures_getUInt() function.
     * @see ures_getInt
     * @see ures_getUInt
     * @stable ICU 2.6
     */
    URES_INT=7,

    /** Resource type constant for arrays of resources. @stable ICU 2.6 */
    URES_ARRAY=8,

    /**
     * Resource type constant for vectors of 32-bit integers.
     * @see ures_getIntVector
     * @stable ICU 2.6
     */
    URES_INT_VECTOR = 14,
#ifndef U_HIDE_DEPRECATED_API
    /** @deprecated ICU 2.6 Use the URES_ constant instead. */
    RES_NONE=URES_NONE,
    /** @deprecated ICU 2.6 Use the URES_ constant instead. */
    RES_STRING=URES_STRING,
    /** @deprecated ICU 2.6 Use the URES_ constant instead. */
    RES_BINARY=URES_BINARY,
    /** @deprecated ICU 2.6 Use the URES_ constant instead. */
    RES_TABLE=URES_TABLE,
    /** @deprecated ICU 2.6 Use the URES_ constant instead. */
    RES_ALIAS=URES_ALIAS,
    /** @deprecated ICU 2.6 Use the URES_ constant instead. */
    RES_INT=URES_INT,
    /** @deprecated ICU 2.6 Use the URES_ constant instead. */
    RES_ARRAY=URES_ARRAY,
    /** @deprecated ICU 2.6 Use the URES_ constant instead. */
    RES_INT_VECTOR=URES_INT_VECTOR,
    /** @deprecated ICU 2.6 Not used. */
    RES_RESERVED=15,

    /**
     * One more than the highest normal UResType value.
     * @deprecated ICU 58 The numeric value may change over time, see ICU ticket #12420.
     */
    URES_LIMIT = 16
#endif  // U_HIDE_DEPRECATED_API
} UResType;

/*
 * Functions to create and destroy resource bundles.
 */

/**
 * Opens a UResourceBundle, from which users can extract strings by using
 * their corresponding keys.
 * Note that the caller is responsible of calling <TT>ures_close</TT> on each successfully
 * opened resource bundle.
 * @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  fills in the outgoing error code.
 * The UErrorCode err parameter is used to return status information to the user. To
 * check whether the construction succeeded or not, you should check the value of
 * U_SUCCESS(err). If you wish more detailed information, you can check for
 * informational status results which still indicate success. U_USING_FALLBACK_WARNING
 * indicates that a fall back locale was used. For example, 'de_CH' was requested,
 * but nothing was found there, so 'de' was used. U_USING_DEFAULT_WARNING indicates that
 * the default locale data or root locale data was used; neither the requested locale
 * nor any of its fall back locales could be found. Please see the users guide for more
 * information on this topic.
 * @return      a newly allocated resource bundle.
 * @see ures_close
 * @stable ICU 2.0
 */
U_STABLE UResourceBundle*  U_EXPORT2
ures_open(const char*    packageName,
          const char*  locale,
          UErrorCode*     status);


/** This function does not care what kind of localeID is passed in. It simply opens a bundle with
 *  that name. Fallback mechanism is disabled for the new bundle. If the requested bundle contains
 *  an %%ALIAS directive, the results are undefined.
 * @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 fills in the outgoing error code. Either U_ZERO_ERROR or U_MISSING_RESOURCE_ERROR
 * @return      a newly allocated resource bundle or NULL if it doesn't exist.
 * @see ures_close
 * @stable ICU 2.0
 */
U_STABLE UResourceBundle* U_EXPORT2
ures_openDirect(const char* packageName,
                const char* locale,
                UErrorCode* status);

/**
 * Same as ures_open() but takes a const UChar *path.
 * This path will be converted to char * using the default converter,
 * then ures_open() is called.
 *
 * @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  fills in the outgoing error code.
 * @return      a newly allocated resource bundle.
 * @see ures_open
 * @stable ICU 2.0
 */
U_STABLE UResourceBundle* U_EXPORT2
ures_openU(const UChar* packageName,
           const char* locale,
           UErrorCode* status);

#ifndef U_HIDE_DEPRECATED_API
/**
 * Returns the number of strings/arrays in resource bundles.
 * Better to use ures_getSize, as this function will be deprecated.
 *
 *@param resourceBundle resource bundle containing the desired strings
 *@param resourceKey key tagging the resource
 *@param err 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_FALLBACK_WARNING </TT>
 *@return: for    <STRONG>Arrays</STRONG>: returns the number of resources in the array
 *                <STRONG>Tables</STRONG>: returns the number of resources in the table
 *                <STRONG>single string</STRONG>: returns 1
 *@see ures_getSize
 * @deprecated ICU 2.8 User ures_getSize instead
 */
U_DEPRECATED int32_t U_EXPORT2
ures_countArrayItems(const UResourceBundle* resourceBundle,
                     const char* resourceKey,
                     UErrorCode* err);
#endif  /* U_HIDE_DEPRECATED_API */

/**
 * Close a resource bundle, all pointers returned from the various ures_getXXX calls
 * on this particular bundle should be considered invalid henceforth.
 *
 * @param resourceBundle a pointer to a resourceBundle struct. Can be NULL.
 * @see ures_open
 * @stable ICU 2.0
 */
U_STABLE void U_EXPORT2
ures_close(UResourceBundle* resourceBundle);

#if U_SHOW_CPLUSPLUS_API

U_NAMESPACE_BEGIN

/**
 * \class LocalUResourceBundlePointer
 * "Smart pointer" class, closes a UResourceBundle via ures_close().
 * For most methods see the LocalPointerBase base class.
 *
 * @see LocalPointerBase
 * @see LocalPointer
 * @stable ICU 4.4
 */
U_DEFINE_LOCAL_OPEN_POINTER(LocalUResourceBundlePointer, UResourceBundle, ures_close);

U_NAMESPACE_END

#endif

#ifndef U_HIDE_DEPRECATED_API
/**
 * Return the version number associated with this ResourceBundle as a string. Please
 * use ures_getVersion as this function is going to be deprecated.
 *
 * @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
 * @deprecated ICU 2.8 Use ures_getVersion instead.
 */
U_DEPRECATED const char* U_EXPORT2
ures_getVersionNumber(const UResourceBundle*   resourceBundle);
#endif  /* U_HIDE_DEPRECATED_API */

/**
 * Return the version number associated with this ResourceBundle as an
 * UVersionInfo array.
 *
 * @param resB The resource bundle for which the version is checked.
 * @param versionInfo A UVersionInfo array that is filled with the version number
 *                    as specified in the resource bundle or its parent.
 * @stable ICU 2.0
 */
U_STABLE void U_EXPORT2
ures_getVersion(const UResourceBundle* resB,
                UVersionInfo versionInfo);

#ifndef U_HIDE_DEPRECATED_API
/**
 * 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.
 *
 * @param resourceBundle resource bundle in question
 * @param status just for catching illegal arguments
 * @return  A Locale name
 * @deprecated ICU 2.8 Use ures_getLocaleByType instead.
 */
U_DEPRECATED const char* U_EXPORT2
ures_getLocale(const UResourceBundle* resourceBundle,
               UErrorCode* status);
#endif  /* U_HIDE_DEPRECATED_API */

/**
 * Return the name of the Locale associated with this ResourceBundle.
 * You can choose between requested, valid and real locale.
 *
 * @param resourceBundle resource bundle in question
 * @param type You can choose between requested, valid and actual
 *             locale. For description see the definition of
 *             ULocDataLocaleType in uloc.h
 * @param status just for catching illegal arguments
 * @return  A Locale name
 * @stable ICU 2.8
 */
U_STABLE const char* U_EXPORT2
ures_getLocaleByType(const UResourceBundle* resourceBundle,
                     ULocDataLocaleType type,
                     UErrorCode* status);


#ifndef U_HIDE_INTERNAL_API
/**
 * Same as ures_open() but uses the fill-in parameter instead of allocating a new bundle.
 *
 * TODO need to revisit usefulness of this function
 *      and usage model for fillIn parameters without knowing sizeof(UResourceBundle)
 * @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 localeID specifies the locale for which we want to open the resource
 * @param status The error code.
 * @internal
 */
U_INTERNAL void U_EXPORT2
ures_openFillIn(UResourceBundle *r,
                const char* packageName,
                const char* localeID,
                UErrorCode* status);
#endif  /* U_HIDE_INTERNAL_API */

/**
 * Returns a string from a string resource type
 *
 * @param resourceBundle a string resource
 * @param len    fills in the length of resulting string
 * @param status fills in the outgoing error code
 *                could be <TT>U_MISSING_RESOURCE_ERROR</TT> if the key is not found
 *                Always check the value of status. Don't count on returning NULL.
 *                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 zero-terminated UChar array which lives in a memory mapped/DLL file.
 * @see ures_getBinary
 * @see ures_getIntVector
 * @see ures_getInt
 * @see ures_getUInt
 * @stable ICU 2.0
 */
U_STABLE const UChar* U_EXPORT2
ures_getString(const UResourceBundle* resourceBundle,
               int32_t* len,
               UErrorCode* status);

/**
 * Returns a UTF-8 string from a string resource.
 * The UTF-8 string may be returnable directly as a pointer, or
 * it may need to be copied, or transformed from UTF-16 using u_strToUTF8()
 * or equivalent.
 *
 * If forceCopy==TRUE, then the string is always written to the dest buffer
 * and dest is returned.
 *
 * If forceCopy==FALSE, then the string is returned as a pointer if possible,
 * without needing a dest buffer (it can be NULL). If the string needs to be
 * copied or transformed, then it may be placed into dest at an arbitrary offset.
 *
 * If the string is to be written to dest, then U_BUFFER_OVERFLOW_ERROR and
 * U_STRING_NOT_TERMINATED_WARNING are set if appropriate, as usual.
 *
 * If the string is transformed from UTF-16, then a conversion error may occur
 * if an unpaired surrogate is encountered. If the function is successful, then
 * the output UTF-8 string is always well-formed.
 *
 * @param resB Resource bundle.
 * @param dest Destination buffer. Can be NULL only if capacity=*length==0.
 * @param length Input: Capacity of destination buffer.
 *               Output: Actual length of the UTF-8 string, not counting the
 *               terminating NUL, even in case of U_BUFFER_OVERFLOW_ERROR.
 *               Can be NULL, meaning capacity=0 and the string length is not
 *               returned to the caller.
 * @param forceCopy If TRUE, then the output string will always be written to
 *                  dest, with U_BUFFER_OVERFLOW_ERROR and
 *                  U_STRING_NOT_TERMINATED_WARNING set if appropriate.
 *                  If FALSE, then the dest buffer may or may not contain a
 *                  copy of the string. dest may or may not be modified.
 *                  If a copy needs to be written, then the UErrorCode parameter
 *                  indicates overflow etc. as usual.
 * @param status Pointer to a standard ICU error code. Its input value must
 *               pass the U_SUCCESS() test, or else the function returns
 *               immediately. Check for U_FAILURE() on output or use with
 *               function chaining. (See User Guide for details.)
 * @return The pointer to the UTF-8 string. It may be dest, or at some offset
 *         from dest (only if !forceCopy), or in unrelated memory.
 *         Always NUL-terminated unless the string was written to dest and
 *         length==capacity (in which case U_STRING_NOT_TERMINATED_WARNING is set).
 *
 * @see ures_getString
 * @see u_strToUTF8
 * @stable ICU 3.6
 */
U_STABLE const char * U_EXPORT2
ures_getUTF8String(const UResourceBundle *resB,
                   char *dest, int32_t *length,
                   UBool forceCopy,
                   UErrorCode *status);

/**
 * Returns a binary data from a binary resource.
 *
 * @param resourceBundle a string resource
 * @param len    fills in the length of resulting byte chunk
 * @param status fills in the outgoing error code
 *                could be <TT>U_MISSING_RESOURCE_ERROR</TT> if the key is not found
 *                Always check the value of status. Don't count on returning NULL.
 *                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 chunk of unsigned bytes which live in a memory mapped/DLL file.
 * @see ures_getString
 * @see ures_getIntVector
 * @see ures_getInt
 * @see ures_getUInt
 * @stable ICU 2.0
 */
U_STABLE const uint8_t* U_EXPORT2
ures_getBinary(const UResourceBundle* resourceBundle,
               int32_t* len,
               UErrorCode* status);

/**
 * Returns a 32 bit integer array from a resource.
 *
 * @param resourceBundle an int vector resource
 * @param len    fills in the length of resulting byte chunk
 * @param status fills in the outgoing error code
 *                could be <TT>U_MISSING_RESOURCE_ERROR</TT> if the key is not found
 *                Always check the value of status. Don't count on returning NULL.
 *                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 chunk of integers which live in a memory mapped/DLL file.
 * @see ures_getBinary
 * @see ures_getString
 * @see ures_getInt
 * @see ures_getUInt
 * @stable ICU 2.0
 */
U_STABLE const int32_t* U_EXPORT2
ures_getIntVector(const UResourceBundle* resourceBundle,
                  int32_t* len,
                  UErrorCode* status);

/**
 * Returns an unsigned integer from a resource.
 * This integer is originally 28 bits.
 *
 * @param resourceBundle a string resource
 * @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 an integer value
 * @see ures_getInt
 * @see ures_getIntVector
 * @see ures_getBinary
 * @see ures_getString
 * @stable ICU 2.0
 */
U_STABLE uint32_t U_EXPORT2
ures_getUInt(const UResourceBundle* resourceBundle,
             UErrorCode *status);

/**
 * Returns a signed integer from a resource.
 * This integer is originally 28 bit and the sign gets propagated.
 *
 * @param resourceBundle a string resource
 * @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 an integer value
 * @see ures_getUInt
 * @see ures_getIntVector
 * @see ures_getBinary
 * @see ures_getString
 * @stable ICU 2.0
 */
U_STABLE int32_t U_EXPORT2
ures_getInt(const UResourceBundle* resourceBundle,
            UErrorCode *status);

/**
 * Returns the size of a resource. Size for scalar types is always 1,
 * and for vector/table types is the number of child resources.
 * @warning Integer array is treated as a scalar type. There are no
 *          APIs to access individual members of an integer array. It
 *          is always returned as a whole.
 * @param resourceBundle a resource
 * @return number of resources in a given resource.
 * @stable ICU 2.0
 */
U_STABLE int32_t U_EXPORT2
ures_getSize(const UResourceBundle *resourceBundle);

/**
 * Returns the type of a resource. Available types are defined in enum UResType
 *
 * @param resourceBundle a resource
 * @return type of the given resource.
 * @see UResType
 * @stable ICU 2.0
 */
U_STABLE UResType U_EXPORT2
ures_getType(const UResourceBundle *resourceBundle);

/**
 * Returns the key associated with a given resource. Not all the resources have a key - only
 * those that are members of a table.
 *
 * @param resourceBundle a resource
 * @return a key associated to this resource, or NULL if it doesn't have a key
 * @stable ICU 2.0
 */
U_STABLE const char * U_EXPORT2
ures_getKey(const UResourceBundle *resourceBundle);

/* ITERATION API
    This API provides means for iterating through a resource
*/

/**
 * Resets the internal context of a resource so that iteration starts from the first element.
 *
 * @param resourceBundle a resource
 * @stable ICU 2.0
 */
U_STABLE void U_EXPORT2
ures_resetIterator(UResourceBundle *resourceBundle);

/**
 * Checks whether the given resource has another element to iterate over.
 *
 * @param resourceBundle a resource
 * @return TRUE if there are more elements, FALSE if there is no more elements
 * @stable ICU 2.0
 */
U_STABLE UBool U_EXPORT2
ures_hasNext(const UResourceBundle *resourceBundle);

/**
 * Returns the next resource in a given resource or NULL if there are no more resources
 * to iterate over. Features a fill-in parameter.
 *
 * @param resourceBundle    a resource
 * @param fillIn            if NULL a new UResourceBundle struct is allocated and must be closed by the caller.
 *                          Alternatively, you can supply a struct to be filled by this function.
 * @param status            fills in the outgoing error code. You may still get a non NULL result even if an
 *                          error occurred. Check status instead.
 * @return                  a pointer to a UResourceBundle struct. If fill in param was NULL, caller must close it
 * @stable ICU 2.0
 */
U_STABLE UResourceBundle* U_EXPORT2
ures_getNextResource(UResourceBundle *resourceBundle,
                     UResourceBundle *fillIn,
                     UErrorCode *status);

/**
 * Returns the next string in a given resource or NULL if there are no more resources
 * to iterate over.
 *
 * @param resourceBundle    a resource
 * @param len               fill in length of the string
 * @param key               fill in for key associated with this string. NULL if no key
 * @param status            fills in the outgoing error code. If an error occurred, we may return NULL, but don't
 *                          count on it. Check status instead!
 * @return a pointer to a zero-terminated UChar array which lives in a memory mapped/DLL file.
 * @stable ICU 2.0
 */
U_STABLE const UChar* U_EXPORT2
ures_getNextString(UResourceBundle *resourceBundle,
                   int32_t* len,
                   const char ** key,
                   UErrorCode *status);

/**
 * Returns the resource in a given resource at the specified index. Features a fill-in parameter.
 *
 * @param resourceBundle    the resource bundle from which to get a sub-resource
 * @param indexR            an index to the wanted resource.
 * @param fillIn            if NULL a new UResourceBundle struct is allocated and must be closed by the caller.
 *                          Alternatively, you can supply a struct to be filled by this function.
 * @param status            fills in the outgoing error code. Don't count on NULL being returned if an error has
 *                          occurred. Check status instead.
 * @return                  a pointer to a UResourceBundle struct. If fill in param was NULL, caller must close it
 * @stable ICU 2.0
 */
U_STABLE UResourceBundle* U_EXPORT2
ures_getByIndex(const UResourceBundle *resourceBundle,
                int32_t indexR,
                UResourceBundle *fillIn,
                UErrorCode *status);

/**
 * Returns the string in a given resource at the specified index.
 *
 * @param resourceBundle    a resource
 * @param indexS            an index to the wanted string.
 * @param len               fill in length of the string
 * @param status            fills in the outgoing error code. If an error occurred, we may return NULL, but don't
 *                          count on it. Check status instead!
 * @return                  a pointer to a zero-terminated UChar array which lives in a memory mapped/DLL file.
 * @stable ICU 2.0
 */
U_STABLE const UChar* U_EXPORT2
ures_getStringByIndex(const UResourceBundle *resourceBundle,
                      int32_t indexS,
                      int32_t* len,
                      UErrorCode *status);

/**
 * Returns a UTF-8 string from a resource at the specified index.
 * The UTF-8 string may be returnable directly as a pointer, or
 * it may need to be copied, or transformed from UTF-16 using u_strToUTF8()
 * or equivalent.
 *
 * If forceCopy==TRUE, then the string is always written to the dest buffer
 * and dest is returned.
 *
 * If forceCopy==FALSE, then the string is returned as a pointer if possible,
 * without needing a dest buffer (it can be NULL). If the string needs to be
 * copied or transformed, then it may be placed into dest at an arbitrary offset.
 *
 * If the string is to be written to dest, then U_BUFFER_OVERFLOW_ERROR and
 * U_STRING_NOT_TERMINATED_WARNING are set if appropriate, as usual.
 *
 * If the string is transformed from UTF-16, then a conversion error may occur
 * if an unpaired surrogate is encountered. If the function is successful, then
 * the output UTF-8 string is always well-formed.
 *
 * @param resB Resource bundle.
 * @param stringIndex An index to the wanted string.
 * @param dest Destination buffer. Can be NULL only if capacity=*length==0.
 * @param pLength Input: Capacity of destination buffer.
 *               Output: Actual length of the UTF-8 string, not counting the
 *               terminating NUL, even in case of U_BUFFER_OVERFLOW_ERROR.
 *               Can be NULL, meaning capacity=0 and the string length is not
 *               returned to the caller.
 * @param forceCopy If TRUE, then the output string will always be written to
 *                  dest, with U_BUFFER_OVERFLOW_ERROR and
 *                  U_STRING_NOT_TERMINATED_WARNING set if appropriate.
 *                  If FALSE, then the dest buffer may or may not contain a
 *                  copy of the string. dest may or may not be modified.
 *                  If a copy needs to be written, then the UErrorCode parameter
 *                  indicates overflow etc. as usual.
 * @param status Pointer to a standard ICU error code. Its input value must
 *               pass the U_SUCCESS() test, or else the function returns
 *               immediately. Check for U_FAILURE() on output or use with
 *               function chaining. (See User Guide for details.)
 * @return The pointer to the UTF-8 string. It may be dest, or at some offset
 *         from dest (only if !forceCopy), or in unrelated memory.
 *         Always NUL-terminated unless the string was written to dest and
 *         length==capacity (in which case U_STRING_NOT_TERMINATED_WARNING is set).
 *
 * @see ures_getStringByIndex
 * @see u_strToUTF8
 * @stable ICU 3.6
 */
U_STABLE const char * U_EXPORT2
ures_getUTF8StringByIndex(const UResourceBundle *resB,
                          int32_t stringIndex,
                          char *dest, int32_t *pLength,
                          UBool forceCopy,
                          UErrorCode *status);

/**
 * Returns a resource in a given resource that has a given key. This procedure works only with table
 * resources. Features a fill-in parameter.
 *
 * @param resourceBundle    a resource
 * @param key               a key associated with the wanted resource
 * @param fillIn            if NULL a new UResourceBundle struct is allocated and must be closed 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 close it
 * @stable ICU 2.0
 */
U_STABLE UResourceBundle* U_EXPORT2
ures_getByKey(const UResourceBundle *resourceBundle,
              const char* key,
              UResourceBundle *fillIn,
              UErrorCode *status);

/**
 * Returns a string in a given resource that has a given key. This procedure works only with table
 * resources.
 *
 * @param resB              a resource
 * @param key               a key associated with the wanted string
 * @param len               fill in length of the string
 * @param status            fills in the outgoing error code. If an error occurred, we may return NULL, but don't
 *                          count on it. Check status instead!
 * @return                  a pointer to a zero-terminated UChar array which lives in a memory mapped/DLL file.
 * @stable ICU 2.0
 */
U_STABLE const UChar* U_EXPORT2
ures_getStringByKey(const UResourceBundle *resB,
                    const char* key,
                    int32_t* len,
                    UErrorCode *status);

/**
 * Returns a UTF-8 string from a resource and a key.
 * This function works only with table resources.
 *
 * The UTF-8 string may be returnable directly as a pointer, or
 * it may need to be copied, or transformed from UTF-16 using u_strToUTF8()
 * or equivalent.
 *
 * If forceCopy==TRUE, then the string is always written to the dest buffer
 * and dest is returned.
 *
 * If forceCopy==FALSE, then the string is returned as a pointer if possible,
 * without needing a dest buffer (it can be NULL). If the string needs to be
 * copied or transformed, then it may be placed into dest at an arbitrary offset.
 *
 * If the string is to be written to dest, then U_BUFFER_OVERFLOW_ERROR and
 * U_STRING_NOT_TERMINATED_WARNING are set if appropriate, as usual.
 *
 * If the string is transformed from UTF-16, then a conversion error may occur
 * if an unpaired surrogate is encountered. If the function is successful, then
 * the output UTF-8 string is always well-formed.
 *
 * @param resB Resource bundle.
 * @param key  A key associated with the wanted resource
 * @param dest Destination buffer. Can be NULL only if capacity=*length==0.
 * @param pLength Input: Capacity of destination buffer.
 *               Output: Actual length of the UTF-8 string, not counting the
 *               terminating NUL, even in case of U_BUFFER_OVERFLOW_ERROR.
 *               Can be NULL, meaning capacity=0 and the string length is not
 *               returned to the caller.
 * @param forceCopy If TRUE, then the output string will always be written to
 *                  dest, with U_BUFFER_OVERFLOW_ERROR and
 *                  U_STRING_NOT_TERMINATED_WARNING set if appropriate.
 *                  If FALSE, then the dest buffer may or may not contain a
 *                  copy of the string. dest may or may not be modified.
 *                  If a copy needs to be written, then the UErrorCode parameter
 *                  indicates overflow etc. as usual.
 * @param status Pointer to a standard ICU error code. Its input value must
 *               pass the U_SUCCESS() test, or else the function returns
 *               immediately. Check for U_FAILURE() on output or use with
 *               function chaining. (See User Guide for details.)
 * @return The pointer to the UTF-8 string. It may be dest, or at some offset
 *         from dest (only if !forceCopy), or in unrelated memory.
 *         Always NUL-terminated unless the string was written to dest and
 *         length==capacity (in which case U_STRING_NOT_TERMINATED_WARNING is set).
 *
 * @see ures_getStringByKey
 * @see u_strToUTF8
 * @stable ICU 3.6
 */
U_STABLE const char * U_EXPORT2
ures_getUTF8StringByKey(const UResourceBundle *resB,
                        const char *key,
                        char *dest, int32_t *pLength,
                        UBool forceCopy,
                        UErrorCode *status);

#if U_SHOW_CPLUSPLUS_API
#include "unicode/unistr.h"

U_NAMESPACE_BEGIN
/**
 * Returns the string value from a string resource bundle.
 *
 * @param resB    a resource, should have type URES_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 The string value, or a bogus string if there is a failure UErrorCode.
 * @stable ICU 2.0
 */
inline UnicodeString
ures_getUnicodeString(const UResourceBundle *resB, UErrorCode* status) {
    UnicodeString result;
    int32_t len = 0;
    const UChar *r = ures_getString(resB, &len, status);
    if(U_SUCCESS(*status)) {
        result.setTo(TRUE, r, len);
    } else {
        result.setToBogus();
    }
    return result;
}

/**
 * Returns the next string in a resource, or an empty string if there are no more resources
 * to iterate over.
 * Use ures_getNextString() instead to distinguish between
 * the end of the iteration and a real empty string value.
 *
 * @param resB              a resource
 * @param key               fill in for key associated with this string
 * @param status            fills in the outgoing error code
 * @return The string value, or a bogus string if there is a failure UErrorCode.
 * @stable ICU 2.0
 */
inline UnicodeString
ures_getNextUnicodeString(UResourceBundle *resB, const char ** key, UErrorCode* status) {
    UnicodeString result;
    int32_t len = 0;
    const UChar* r = ures_getNextString(resB, &len, key, status);
    if(U_SUCCESS(*status)) {
        result.setTo(TRUE, r, len);
    } else {
        result.setToBogus();
    }
    return result;
}

/**
 * Returns the string in a given resource array or table at the specified index.
 *
 * @param resB              a resource
 * @param indexS            an index to the wanted string.
 * @param status            fills in the outgoing error code
 * @return The string value, or a bogus string if there is a failure UErrorCode.
 * @stable ICU 2.0
 */
inline UnicodeString
ures_getUnicodeStringByIndex(const UResourceBundle *resB, int32_t indexS, UErrorCode* status) {
    UnicodeString result;
    int32_t len = 0;
    const UChar* r = ures_getStringByIndex(resB, indexS, &len, status);
    if(U_SUCCESS(*status)) {
        result.setTo(TRUE, r, len);
    } else {
        result.setToBogus();
    }
    return result;
}

/**
 * Returns a string in a resource that has a given key.
 * This procedure works only with table resources.
 *
 * @param resB              a resource
 * @param key               a key associated with the wanted string
 * @param status            fills in the outgoing error code
 * @return The string value, or a bogus string if there is a failure UErrorCode.
 * @stable ICU 2.0
 */
inline UnicodeString
ures_getUnicodeStringByKey(const UResourceBundle *resB, const char* key, UErrorCode* status) {
    UnicodeString result;
    int32_t len = 0;
    const UChar* r = ures_getStringByKey(resB, key, &len, status);
    if(U_SUCCESS(*status)) {
        result.setTo(TRUE, r, len);
    } else {
        result.setToBogus();
    }
    return result;
}

U_NAMESPACE_END

#endif

/**
 * Create a string enumerator, owned by the caller, of all locales located within
 * the specified resource tree.
 * @param packageName name of the tree, such as (NULL) or U_ICUDATA_ALIAS or  or "ICUDATA-coll"
 * This call is similar to uloc_getAvailable().
 * @param status error code
 * @stable ICU 3.2
 */
U_STABLE UEnumeration* U_EXPORT2
ures_openAvailableLocales(const char *packageName, UErrorCode *status);


#endif /*_URES*/
/*eof*/

Filemanager

Name Type Size Permission Actions
alphaindex.h File 26.48 KB 0644
appendable.h File 8.49 KB 0644
basictz.h File 9.15 KB 0644
brkiter.h File 27.8 KB 0644
bytestream.h File 9.6 KB 0644
bytestrie.h File 20.77 KB 0644
bytestriebuilder.h File 7.08 KB 0644
calendar.h File 105.74 KB 0644
caniter.h File 7.43 KB 0644
casemap.h File 25.33 KB 0644
char16ptr.h File 7.22 KB 0644
chariter.h File 24.05 KB 0644
choicfmt.h File 23.91 KB 0644
coleitr.h File 13.76 KB 0644
coll.h File 56.23 KB 0644
compactdecimalformat.h File 6.88 KB 0644
curramt.h File 3.76 KB 0644
currpinf.h File 7.3 KB 0644
currunit.h File 4.05 KB 0644
datefmt.h File 40.67 KB 0644
dbbi.h File 1.19 KB 0644
dcfmtsym.h File 20.13 KB 0644
decimfmt.h File 87.38 KB 0644
docmain.h File 6.97 KB 0644
dtfmtsym.h File 37.7 KB 0644
dtintrv.h File 3.84 KB 0644
dtitvfmt.h File 46.63 KB 0644
dtitvinf.h File 18.51 KB 0644
dtptngen.h File 25.08 KB 0644
dtrule.h File 8.68 KB 0644
edits.h File 20.74 KB 0644
enumset.h File 2.08 KB 0644
errorcode.h File 4.84 KB 0644
fieldpos.h File 8.69 KB 0644
filteredbrk.h File 5.37 KB 0644
fmtable.h File 24.42 KB 0644
format.h File 12.5 KB 0644
formattedvalue.h File 10.27 KB 0644
fpositer.h File 3.04 KB 0644
gender.h File 3.33 KB 0644
gregocal.h File 31.71 KB 0644
icudataver.h File 1.03 KB 0644
icuplug.h File 11.88 KB 0644
idna.h File 12.7 KB 0644
listformatter.h File 9.47 KB 0644
localebuilder.h File 11.27 KB 0644
localematcher.h File 22.5 KB 0644
localpointer.h File 19.69 KB 0644
locdspnm.h File 7.12 KB 0644
locid.h File 47.4 KB 0644
measfmt.h File 11.33 KB 0644
measunit.h File 93.31 KB 0644
measure.h File 4.32 KB 0644
messagepattern.h File 33.71 KB 0644
msgfmt.h File 44.11 KB 0644
normalizer2.h File 34.03 KB 0644
normlzr.h File 30.94 KB 0644
nounit.h File 2.69 KB 0644
numberformatter.h File 86.31 KB 0644
numberrangeformatter.h File 30.14 KB 0644
numfmt.h File 49.81 KB 0644
numsys.h File 7.19 KB 0644
parseerr.h File 3.08 KB 0644
parsepos.h File 5.56 KB 0644
platform.h File 28.08 KB 0644
plurfmt.h File 25.2 KB 0644
plurrule.h File 18.39 KB 0644
ptypes.h File 3.49 KB 0644
putil.h File 6.33 KB 0644
rbbi.h File 26.58 KB 0644
rbnf.h File 48.73 KB 0644
rbtz.h File 15.6 KB 0644
regex.h File 84.36 KB 0644
region.h File 9.18 KB 0644
reldatefmt.h File 22.62 KB 0644
rep.h File 9.37 KB 0644
resbund.h File 18.07 KB 0644
schriter.h File 6.32 KB 0644
scientificnumberformatter.h File 6.4 KB 0644
search.h File 22.22 KB 0644
selfmt.h File 14.3 KB 0644
simpleformatter.h File 12.59 KB 0644
simpletz.h File 45.44 KB 0644
smpdtfmt.h File 70.97 KB 0644
sortkey.h File 11.18 KB 0644
std_string.h File 1.05 KB 0644
strenum.h File 9.92 KB 0644
stringoptions.h File 5.79 KB 0644
stringpiece.h File 7.38 KB 0644
stringtriebuilder.h File 15.33 KB 0644
stsearch.h File 21.3 KB 0644
symtable.h File 4.27 KB 0644
tblcoll.h File 36.61 KB 0644
timezone.h File 41.02 KB 0644
tmunit.h File 3.38 KB 0644
tmutamt.h File 4.9 KB 0644
tmutfmt.h File 7.85 KB 0644
translit.h File 65.82 KB 0644
tzfmt.h File 42.89 KB 0644
tznames.h File 16.85 KB 0644
tzrule.h File 35.37 KB 0644
tztrans.h File 6.12 KB 0644
ubidi.h File 89.56 KB 0644
ubiditransform.h File 12.65 KB 0644
ubrk.h File 23.97 KB 0644
ucal.h File 56.9 KB 0644
ucasemap.h File 15.18 KB 0644
ucat.h File 5.36 KB 0644
uchar.h File 140.56 KB 0644
ucharstrie.h File 22.58 KB 0644
ucharstriebuilder.h File 7.21 KB 0644
uchriter.h File 13.2 KB 0644
uclean.h File 11.21 KB 0644
ucnv.h File 83.09 KB 0644
ucnv_cb.h File 6.59 KB 0644
ucnv_err.h File 20.99 KB 0644
ucnvsel.h File 6.14 KB 0644
ucol.h File 61.46 KB 0644
ucoleitr.h File 9.46 KB 0644
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ucsdet.h File 14.67 KB 0644
ucurr.h File 16.12 KB 0644
udat.h File 60.88 KB 0644
udata.h File 15.56 KB 0644
udateintervalformat.h File 10.03 KB 0644
udatpg.h File 26.01 KB 0644
udisplaycontext.h File 5.89 KB 0644
uenum.h File 7.78 KB 0644
ufieldpositer.h File 4.36 KB 0644
uformattable.h File 10.94 KB 0644
uformattedvalue.h File 12.14 KB 0644
ugender.h File 2 KB 0644
uidna.h File 33.37 KB 0644
uiter.h File 22.77 KB 0644
uldnames.h File 10.45 KB 0644
ulistformatter.h File 8.83 KB 0644
uloc.h File 52.54 KB 0644
ulocdata.h File 11.26 KB 0644
umachine.h File 14.53 KB 0644
umisc.h File 1.33 KB 0644
umsg.h File 24.23 KB 0644
umutablecptrie.h File 8.24 KB 0644
unifilt.h File 3.96 KB 0644
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uniset.h File 64.9 KB 0644
unistr.h File 170.43 KB 0644
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unum.h File 53.62 KB 0644
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uobject.h File 10.68 KB 0644
upluralrules.h File 7.88 KB 0644
uregex.h File 72.05 KB 0644
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ureldatefmt.h File 17.26 KB 0644
urename.h File 130.97 KB 0644
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usearch.h File 38.12 KB 0644
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ushape.h File 18 KB 0644
uspoof.h File 65.9 KB 0644
usprep.h File 8.14 KB 0644
ustdio.h File 38.54 KB 0644
ustream.h File 1.89 KB 0644
ustring.h File 72.47 KB 0644
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utext.h File 58.13 KB 0644
utf.h File 7.86 KB 0644
utf16.h File 23.32 KB 0644
utf32.h File 763 B 0644
utf8.h File 30.96 KB 0644
utf_old.h File 45.83 KB 0644
utmscale.h File 13.78 KB 0644
utrace.h File 15.73 KB 0644
utrans.h File 25.52 KB 0644
utypes.h File 30.74 KB 0644
uvernum.h File 6.67 KB 0644
uversion.h File 6 KB 0644
vtzone.h File 20.3 KB 0644