forked from enlightenment/efl
141 lines
4.4 KiB
Plaintext
141 lines
4.4 KiB
Plaintext
/* EINA - EFL data type library
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* Copyright (C) 2002-2008 Gustavo Sverzut Barbieri
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library;
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* if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef EINA_STRINGSHARE_INLINE_H_
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#define EINA_STRINGSHARE_INLINE_H_
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#include <string.h>
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#include "eina_stringshare.h"
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/**
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* @addtogroup Eina_Stringshare_Group Stringshare
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*
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* @{
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*/
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/**
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* Replace the previously stringshared pointer with another stringshared pointer.
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*
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* The string pointed by @a p_str must be previously stringshared or
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* @c NULL and it will be eina_stringshare_del(). The new string must also
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* be stringshared and will be passed to eina_stringshare_ref() and then assigned to @c *p_str.
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* This function is identical to eina_stringshare_replace() except that it calls
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* eina_stringshare_ref() instead of eina_stringshare_add()
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*
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* @param p_str pointer to the stringhare to be replaced. Must not be
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* @c NULL, but @c *p_str may be @c NULL as it is a valid
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* stringshare handle.
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* @param news new string to replace with, may be @c NULL.
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*
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* @return #EINA_TRUE if the strings were different and thus replaced, #EINA_FALSE
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* if the strings were the same after shared.
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*
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* @since 1.8
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*/
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static inline Eina_Bool
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eina_stringshare_refplace(Eina_Stringshare **p_str, Eina_Stringshare *news)
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{
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if (*p_str == news) return EINA_FALSE;
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news = eina_stringshare_ref(news);
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eina_stringshare_del(*p_str);
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if (*p_str == news)
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return EINA_FALSE;
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*p_str = news;
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return EINA_TRUE;
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}
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/**
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* Replace the previously stringshared pointer with new content.
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*
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* The string pointed by @a p_str must be previously stringshared or
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* @c NULL and it will be eina_stringshare_del(). The new string will
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* be passed to eina_stringshare_add() and then assigned to @c *p_str.
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*
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* @param p_str pointer to the stringhare to be replaced. Must not be
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* @c NULL, but @c *p_str may be @c NULL as it is a valid
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* stringshare handle.
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* @param news new string to be stringshared, may be @c NULL.
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*
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* @return #EINA_TRUE if the strings were different and thus replaced, #EINA_FALSE
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* if the strings were the same after shared.
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*/
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static inline Eina_Bool
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eina_stringshare_replace(Eina_Stringshare **p_str, const char *news)
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{
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if (*p_str == news) return EINA_FALSE;
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news = eina_stringshare_add(news);
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eina_stringshare_del(*p_str);
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if (*p_str == news)
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return EINA_FALSE;
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*p_str = news;
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return EINA_TRUE;
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}
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/**
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* Replace the previously stringshared pointer with a new content.
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*
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* The string pointed by @a p_str must be previously stringshared or
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* @c NULL and it will be eina_stringshare_del(). The new string will
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* be passed to eina_stringshare_add_length() and then assigned to @c *p_str.
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*
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* @param p_str pointer to the stringhare to be replaced. Must not be
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* @c NULL, but @c *p_str may be @c NULL as it is a valid
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* stringshare handle.
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* @param news new string to be stringshared, may be @c NULL.
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* @param slen The string size (<= strlen(str)).
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*
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* @return #EINA_TRUE if the strings were different and thus replaced, #EINA_FALSE
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* if the strings were the same after shared.
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*/
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static inline Eina_Bool
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eina_stringshare_replace_length(Eina_Stringshare **p_str, const char *news, unsigned int slen)
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{
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if (*p_str == news) return EINA_FALSE;
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news = eina_stringshare_add_length(news, slen);
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eina_stringshare_del(*p_str);
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if (*p_str == news)
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return EINA_FALSE;
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*p_str = news;
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return EINA_TRUE;
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}
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/**
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* Return the read-only memory slice for this stringshare.
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*
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* @param str the stringshare to get a slice.
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* @return A read-only slice.
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*/
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static inline Eina_Slice
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eina_stringshare_slice_get(Eina_Stringshare *str)
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{
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Eina_Slice ret;
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ret.len = eina_stringshare_strlen(str);
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ret.mem = str;
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return ret;
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}
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/**
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* @}
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*/
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#endif /* EINA_STRINGSHARE_INLINE_H_ */
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