X-Git-Url: http://git.indexdata.com/?p=yaz-moved-to-github.git;a=blobdiff_plain;f=include%2Fyaz%2Fwrbuf.h;h=1d4f83b90868fbda4f721c28a408f8f67834400b;hp=eca86632a57f48a7d4ed70710045cfc7407582dd;hb=29644f5396a22ec0d51266011f57741adb2fd171;hpb=5242cb5a8634bfa38b9333ff7f903e718ac6e292 diff --git a/include/yaz/wrbuf.h b/include/yaz/wrbuf.h index eca8663..1d4f83b 100644 --- a/include/yaz/wrbuf.h +++ b/include/yaz/wrbuf.h @@ -1,5 +1,5 @@ /* This file is part of the YAZ toolkit. - * Copyright (C) 1995-2012 Index Data. + * Copyright (C) Index Data. * All rights reserved. * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: @@ -139,7 +139,22 @@ YAZ_EXPORT void wrbuf_printf(WRBUF b, const char *fmt, ...) #endif ; -/** \brief general writer of string using iconv and cdata +/** \brief General writer of string using iconv and cdata + \param b WRBUF + \param cd iconv handle (0 for no conversion) + \param buf buffer + \param size size of buffer + \param wfunc write handler (that takes WRBUF only) + \returns -1 if invalid sequence was encountered (truncation in effect) + \returns 0 if buffer could be converted and written +*/ +int wrbuf_iconv_write2(WRBUF b, yaz_iconv_t cd, const char *buf, + size_t size, + void (*wfunc)(WRBUF, const char *, size_t)); + +/** \brief writer of string using iconv and cdata + + Obsolete: use wrbuf_iconv_write2 instead. \param b WRBUF \param cd iconv handle (0 for no conversion) \param buf buffer @@ -149,9 +164,13 @@ YAZ_EXPORT void wrbuf_printf(WRBUF b, const char *fmt, ...) \returns 0 if buffer could be converted and written */ int wrbuf_iconv_write_x(WRBUF b, yaz_iconv_t cd, const char *buf, - size_t size, int cdata); + size_t size, int cdata) +#ifdef __GNUC__ + __attribute__ ((deprecated)) +#endif + ; -/** \brief iconv converts buffer and appends to WRBUF +/** \brief Converts buffer using iconv and appends to WRBUF \param b WRBUF \param cd iconv handle \param buf buffer @@ -160,7 +179,7 @@ int wrbuf_iconv_write_x(WRBUF b, yaz_iconv_t cd, const char *buf, YAZ_EXPORT void wrbuf_iconv_write(WRBUF b, yaz_iconv_t cd, const char *buf, size_t size); -/** \brief iconv converts buffer and appends to WRBUF as XML CDATA +/** \brief Converts buffer using iconv and appends to WRBUF as XML CDATA \param b WRBUF \param cd iconv handle \param buf buffer @@ -223,15 +242,68 @@ YAZ_EXPORT int wrbuf_grow(WRBUF b, size_t minsize); #define wrbuf_buf(b) ((b)->buf) /** \brief returns WRBUF content as C-string - \param b WRBUF + \param b WRBUF (may not be NULL) \returns C-string */ YAZ_EXPORT const char *wrbuf_cstr(WRBUF b); +/** \brief returns WRBUF content as C-string or NULL + \param b WRBUF + \returns C-string or NULL + + This function returns NULL if either b is NULL or length of buffer is 0 +*/ +YAZ_EXPORT +const char *wrbuf_cstr_null(WRBUF b); + #define wrbuf_putc(b, c) \ ((void) ((b)->pos >= (b)->size ? wrbuf_grow(b, 1) : 0), \ (b)->buf[(b)->pos++] = (c), 0) + +/** \brief writes JSON text to WRBUF with escaping + \param b result + \param str input string to be encoded +*/ +YAZ_EXPORT +void wrbuf_json_puts(WRBUF b, const char *str); + +/** \brief writes JSON text to WRBUF with escaping + \param b result + \param cp char buffer + \param sz size of char buffer +*/ +YAZ_EXPORT +void wrbuf_json_write(WRBUF b, const char *cp, size_t sz); + +YAZ_EXPORT +void wrbuf_iconv_json_write(WRBUF b, yaz_iconv_t cd, + const char *buf, size_t size); + +YAZ_EXPORT +void wrbuf_iconv_json_puts(WRBUF b, yaz_iconv_t cd, const char *strz); + +/** \brief writes SHA1 text to WRBUF + \param b result + \param cp char buffer + \param sz size of char buffer + \param hexit 1=hex mode; 0=binary + \returns 0 if successful + \returns -1 on error +*/ +YAZ_EXPORT +int wrbuf_sha1_write(WRBUF b, const char *cp, size_t sz, int hexit); + +/** \brief writes SHA1 text to WRBUF + \param b result + \param cp C-string + \param hexit 1=hex mode; 0=binary + \returns 0 if successful + \returns -1 on error +*/ +YAZ_EXPORT +int wrbuf_sha1_puts(WRBUF b, const char *cp, int hexit); + YAZ_END_CDECL #endif