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For more * information on the Apache Software Foundation, please see * . */ #ifndef APR_XLATE_H #define APR_XLATE_H #include "apr.h" #include "apr_pools.h" #include "apr_errno.h" #ifdef __cplusplus extern "C" { #endif /* __cplusplus */ /** * @file apr_xlate.h * @brief APR I18N translation library */ /** * @defgroup APR_I18N I18N translation library * @ingroup APR * @{ */ /** * APR_HAS_XLATE determines whether or not useful implementations of * apr_xlate_open() et al are provided. * * If APR_HAS_XLATE is zero, apr_xlate_open() et al will all return * APR_ENOTIMPL at run-time. */ typedef struct apr_xlate_t apr_xlate_t; /** * Set up for converting text from one charset to another. * @param convset The handle to be filled in by this function * @param topage The name of the target charset * @param frompage The name of the source charset * @param pool The pool to use * @remark * Specify APR_DEFAULT_CHARSET for one of the charset * names to indicate the charset of the source code at * compile time. This is useful if there are literal * strings in the source code which must be translated * according to the charset of the source code. * APR_DEFAULT_CHARSET is not useful if the source code * of the caller was not encoded in the same charset as * APR at compile time. * * @remark * Specify APR_LOCALE_CHARSET for one of the charset * names to indicate the charset of the current locale. * */ APR_DECLARE(apr_status_t) apr_xlate_open(apr_xlate_t **convset, const char *topage, const char *frompage, apr_pool_t *pool); /** * This is to indicate the charset of the sourcecode at compile time * names to indicate the charset of the source code at * compile time. This is useful if there are literal * strings in the source code which must be translated * according to the charset of the source code. */ #define APR_DEFAULT_CHARSET (const char *)0 /** * To indicate charset names of the current locale */ #define APR_LOCALE_CHARSET (const char *)1 /** * Find out whether or not the specified conversion is single-byte-only. * @param convset The handle allocated by apr_xlate_open, specifying the * parameters of conversion * @param onoff Output: whether or not the conversion is single-byte-only */ APR_DECLARE(apr_status_t) apr_xlate_sb_get(apr_xlate_t *convset, int *onoff); /** @deprecated @see apr_xlate_sb_get */ APR_DECLARE(apr_status_t) apr_xlate_get_sb(apr_xlate_t *convset, int *onoff); /** * Convert a buffer of text from one codepage to another. * @param convset The handle allocated by apr_xlate_open, specifying * the parameters of conversion * @param inbuf The address of the source buffer * @param inbytes_left Input: the amount of input data to be translated * Output: the amount of input data not yet translated * @param outbuf The address of the destination buffer * @param outbytes_left Input: the size of the output buffer * Output: the amount of the output buffer not yet used */ APR_DECLARE(apr_status_t) apr_xlate_conv_buffer(apr_xlate_t *convset, const char *inbuf, apr_size_t *inbytes_left, char *outbuf, apr_size_t *outbytes_left); /* @see apr_file_io.h the comment in apr_file_io.h about this hack */ #ifdef APR_NOT_DONE_YET /** * The purpose of apr_xlate_conv_char is to translate one character * at a time. This needs to be written carefully so that it works * with double-byte character sets. * @param convset The handle allocated by apr_xlate_open, specifying the * parameters of conversion * @param inchar The character to convert * @param outchar The converted character */ APR_DECLARE(apr_status_t) apr_xlate_conv_char(apr_xlate_t *convset, char inchar, char outchar); #endif /** * Convert a single-byte character from one charset to another. * @param convset The handle allocated by apr_xlate_open, specifying the * parameters of conversion * @param inchar The single-byte character to convert. * @warning This only works when converting between single-byte character sets. * -1 will be returned if the conversion can't be performed. */ APR_DECLARE(apr_int32_t) apr_xlate_conv_byte(apr_xlate_t *convset, unsigned char inchar); /** * Close a codepage translation handle. * @param convset The codepage translation handle to close */ APR_DECLARE(apr_status_t) apr_xlate_close(apr_xlate_t *convset); /** @} */ #ifdef __cplusplus } #endif #endif /* ! APR_XLATE_H */