mirror of
https://github.com/netsurf-browser/netsurf
synced 2024-11-29 01:33:16 +03:00
116 lines
4.0 KiB
C
116 lines
4.0 KiB
C
/*
|
|
* Copyright 2016 Vincent Sanders <vince@netsurf-browser.org>
|
|
*
|
|
* This file is part of NetSurf, http://www.netsurf-browser.org/
|
|
*
|
|
* NetSurf is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; version 2 of the License.
|
|
*
|
|
* NetSurf is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
/**
|
|
* \file
|
|
* \brief Interface to utility string handling.
|
|
*/
|
|
|
|
#ifndef _NETSURF_UTILS_STRING_H_
|
|
#define _NETSURF_UTILS_STRING_H_
|
|
|
|
#include <stdlib.h>
|
|
#include <stdarg.h>
|
|
|
|
#include "utils/errors.h"
|
|
|
|
|
|
/**
|
|
* Replace consecutive whitespace with a single space.
|
|
*
|
|
* @todo determine if squash_whitespace utf-8 safe and that it needs to be
|
|
*
|
|
* \param s source string
|
|
* \return heap allocated result, or NULL on memory exhaustion
|
|
*/
|
|
char *squash_whitespace(const char * s);
|
|
|
|
|
|
/**
|
|
* Converts NUL terminated UTF-8 encoded string s containing zero or more
|
|
* spaces (char 32) or TABs (char 9) to non-breaking spaces
|
|
* (0xC2 + 0xA0 in UTF-8 encoding).
|
|
*
|
|
* Caller needs to free() result. Returns NULL in case of error. No
|
|
* checking is done on validness of the UTF-8 input string.
|
|
*/
|
|
char *cnv_space2nbsp(const char *s);
|
|
|
|
|
|
/**
|
|
* Create a human readable representation of a size in bytes.
|
|
*
|
|
* Does a simple conversion which assumes the user speaks English.
|
|
* The buffer returned is one of three static ones so may change each
|
|
* time this call is made. Don't store the buffer for later use.
|
|
* It's done this way for convenience and to fight possible memory
|
|
* leaks, it is not necessarily pretty.
|
|
*
|
|
* @param bytesize The size in bytes.
|
|
* @return A human readable string representing the size.
|
|
*/
|
|
char *human_friendly_bytesize(unsigned long long int bytesize);
|
|
|
|
|
|
/**
|
|
* Generate a string from one or more component elements separated with
|
|
* a single value.
|
|
*
|
|
* This is similar in intent to the perl join function creating a
|
|
* single delimited string from an array of several.
|
|
*
|
|
* @note If a string is allocated it must be freed by the caller.
|
|
*
|
|
* @param[in,out] str pointer to string pointer if this is NULL enough
|
|
* storage will be allocated for the complete path.
|
|
* @param[in,out] size The size of the space available if \a str not
|
|
* NULL on input and if not NULL set to the total
|
|
* output length on output.
|
|
* @param[in] sep The character to separate the elements with.
|
|
* @param[in] nelm The number of elements up to a maximum of 16.
|
|
* @param[in] ap The elements of the path as string pointers.
|
|
* @return NSERROR_OK and the complete path is written to str or error
|
|
* code on failure.
|
|
*/
|
|
nserror vsnstrjoin(char **str, size_t *size, char sep, size_t nelm, va_list ap);
|
|
|
|
|
|
/**
|
|
* Generate a string from one or more component elements separated with
|
|
* a single value.
|
|
*
|
|
* This is similar in intent to the Perl join function creating a
|
|
* single delimited string from an array of several.
|
|
*
|
|
* @note If a string is allocated it must be freed by the caller.
|
|
*
|
|
* @param[in,out] str pointer to string pointer if this is NULL enough
|
|
* storage will be allocated for the complete path.
|
|
* @param[in,out] size The size of the space available if \a str not
|
|
* NULL on input and if not NULL set to the total
|
|
* output length on output.
|
|
* @param[in] sep The character to separate the elements with.
|
|
* @param[in] nelm The number of elements up to a maximum of 16.
|
|
* @param[in] ... The elements of the path as string pointers.
|
|
* @return NSERROR_OK and the complete path is written to str or error
|
|
* code on failure.
|
|
*/
|
|
nserror snstrjoin(char **str, size_t *size, char sep, size_t nelm, ...);
|
|
|
|
#endif
|