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/*
WARNING: This file was generated by dkct.
Changes you make here will be lost if dkct is run again!
You should modify the original source and run dkct on it.
Original source: dk4strw.ctr
*/
/*
Copyright (C) 2015-2017, Dirk Krause
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above opyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
* Neither the name of the author nor the names of contributors may be used
to endorse or promote products derived from this software without specific
prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef DK4STRW_H_INCLUDED
/** Avoid multiple inclusions. */
#define DK4STRW_H_INCLUDED 1
#line 10 "dk4strw.ctr"
/** @file
Additional string functions for
wchar_t strings.
Although some of the functions in this module duplicate
functionality from the C runtime library on Windows, you should use
the functions from this module.
With DK4DK4_WIN_AVOID_CRT or DK4_WIN_DENY_CRT defined to non-zero
these functions call Windows API functions like
lstrcmpW() ... instead of CRT functions.
*/
#ifndef DK4CONF_H_INCLUDED
#include "dk4conf.h"
#endif
#ifndef DK4TYPES_H_INCLUDED
#include "dk4types.h"
#endif
#ifndef DK4ERROR_H_INCLUDED
#include "dk4error.h"
#endif
#ifndef STDLIB_H_INCLUDED
#include <stdlib.h>
#define STDLIB_H_INCLUDED 1
#endif
#if DK4_HAVE_WCHAR_H
#ifndef WCHAR_H_INCLUDED
#include <wchar.h>
#define WCHAR_H_INCLUDED 1
#endif
#endif
#ifdef __cplusplus
extern "C" {
#endif
/** Copy string, check destination buffer size.
CRT on Windows: Optional.
@param dst Destination buffer address.
@param sz Destination buffer size.
@param src Source string.
@param erp Error report, may be NULL.
@return 1 on success, 0 on error.
Error codes:
- DK4_E_INVALID_ARGUMENTS<br>
if dst or src is NULL or sz is 0,
- DK4_E_BUFFER_TOO_SMALL<br>
if the dst buffer is too small.
*/
int
dk4strw_cpy_s(wchar_t *dst, size_t sz, const wchar_t *src, dk4_er_t *erp);
/** Concatenate strings, check destination buffer size.
CRT on Windows: Optional.
@param dst Destination buffer address.
@param sz Destination buffer size.
@param src Source string.
@param erp Error report, may be NULL.
@return 1 on success, 0 on error.
Error codes:
- DK4_E_INVALID_ARGUMENTS<br>
if dst or src is NULL or sz is 0,
- DK4_E_MATH_OVERFLOW<br>
if a mathematical overflow occured in size calculation,
- DK4_E_BUFFER_TOO_SMALL<br>
if the concatenated string doest not fit into the buffer.
*/
int
dk4strw_cat_s(wchar_t *dst, size_t sz, const wchar_t *src, dk4_er_t *erp);
/** Copy characters within a string from right to left.
This copy operation is intended for moving characters within
one string from right to left, making the string shorter
as is. This function does not check buffer size or report
any error.
For normal string copy operations, use the dk4strw_cpy_s()
function instead.
CRT on Windows: Not used.
@param dst Destination buffer address.
@param src Source string.
*/
void
dk4strw_cpy_to_left(wchar_t *dst, const wchar_t *src);
/** Find string length.
CRT on Windows: Optional, disabling CRT reduces functionality
to strings with length fitting to int.
@param src Source string.
@return String length.
*/
size_t
dk4strw_len(const wchar_t *src);
/** Compare two strings.
CRT on Windows: Optional.
@param s1 Left string, may be NULL.
@param s2 Right string, may be NULL.
@return 1 if s1>s2, 0 if s1==s2, -1 if s1<s2.
*/
int
dk4strw_cmp(const wchar_t *s1, const wchar_t *s2);
/** Compare two strings.
CRT on Windows: Optional.
@param s1 Left string, may be NULL.
@param s2 Right string, may be NULL.
@param n Maximum number of characters to compare.
@return 1 if s1>s2, 0 if s1==s2, -1 if s1<s2.
*/
int
dk4strw_ncmp(const wchar_t *s1, const wchar_t *s2, size_t n);
/** Compare two strings, case-insensitive comparison.
CRT on Windows: Optional, disabling CRT probably degrades performance.
@param s1 Left string, may be NULL.
@param s2 Right string, may be NULL.
@return 1 if s1>s2, 0 if s1==s2, -1 if s1<s2.
*/
int
dk4strw_casecmp(const wchar_t *s1, const wchar_t *s2);
/** Compare two file path names.
CRT on Windows: Optional.
@param s1 Left string, may be NULL.
@param s2 Right string, may be NULL.
@return 1 if s1>s2, 0 if s1==s2, -1 if s1<s2.
*/
int
dk4strw_pathcmp(const wchar_t *s1, const wchar_t *s2);
/** Find first occurance of character c in string s.
CRT on Windows: Optional, disabling CRT degrades performance.
@param s String to search for c.
@param c Character to find.
@return Pointer to first occurance if found, NULL otherwise.
*/
wchar_t *
dk4strw_chr(const wchar_t *s, wchar_t c);
/** Find last occurance of character c in string s.
CRT on Windows: Optional, disabling CRT degrades performance.
@param s String to search for c.
@param c Character to find.
@return Pointer to last occurance if found, NULL otherwise.
*/
wchar_t *
dk4strw_rchr(const wchar_t *s, wchar_t c);
/** Convert character to upper-case character.
CRT on windows: Optional, disabling CRT degrades performance.
@param c Character to convert.
@return Conversion result.
*/
wchar_t
dk4strw_toupper(wchar_t c);
/** Convert character to lower-case character.
CRT on windows: Optional, disabling CRT degrades performance.
@param c Character to convert.
@return Conversion result.
*/
wchar_t
dk4strw_tolower(wchar_t c);
/** Retrieve first token from *stringp.
CRT on Windows: Optional, disabling CRT degrades performance.
@param stringp Adress of string pointer.
@param delim String containing the delimiter set,
my be NULL to use the default delimiter
set (space, tabulator, carriage return and newline).
@return Pointer to first token on success, NULL if no (further)
token found.
*/
wchar_t *
dk4strw_sep(wchar_t **stringp, const wchar_t *delim);
/** Find first token in string.
CRT on Windows: Optional, disabling CRT degrades performance.
@param src String to search for tokens.
@param delim String containing the delimiter characters,
may be NULL to use the default delimiter set.
@return Pointer to first token if found, NULL otherwise.
*/
wchar_t *
dk4strw_start(const wchar_t *src, const wchar_t *delim);
/** Cut string after first token, find start of second token in string.
CRT on Windows: Optional, disabling CRT degrades performance.
@param src String to search for tokens,
normally the result of dk4strw_start() or a
previous dk4strw_next() call.
@param delim String containing the delimiter characters,
may be NULL to use the default delimiter set.
@return Pointer to second token if found, NULL otherwise.
*/
wchar_t *
dk4strw_next(wchar_t *src, const wchar_t *delim);
/** Split a string into tokens.
CRT on Windows: Optional, disabling CRT degrades performance.
@param dpp Pointer to string pointer array.
@param szdpp Size of destination string pointer array.
@param src Source string to process.
@param delim String containing delimiter characters,
may be NULL to use the default delimiter set.
@param erp Error report, may be NULL.
@return Number of tokens found on success, 0 if no token
found or on error.
Error codes:
- DK4_E_INVALID_ARGUMENTS<br>
for invalid function arguments,
- DK4_E_BUFFER_TOO_SMALL<br>
with dt.mem.nelem set to the number of tokens in string if the dpp
array is too short.
*/
size_t
dk4strw_tokenize(
wchar_t **dpp, size_t szdpp, wchar_t *src, const wchar_t *delim, dk4_er_t *erp
);
/** Normalize a string (remove leading and trailing delimiters,
replace delimiter sequences by just one delimiter).
CRT on Windows: Optional, disabling CRT degrades performance.
@param src Buffer containing the string to normalize.
@param delim String containing delimiter characters,
may be NULL to use the default delimiter set.
*/
void
dk4strw_normalize(wchar_t *src, const wchar_t *delim);
/** Find index of a string in an array of strings.
CRT on Windows: Optional.
@param arr Array of strings.
@param str String to find in array.
@param cs Flag: Case-sensitive search (0=no, other=yes).
@return Non-negative index value on success, -1 on error.
*/
int
dk4strw_array_index(const wchar_t * const *arr, const wchar_t *str, int cs);
/** Find index of a string in an array of strings.
CRT on windows: Optional, disabling CRT degrades performance
for case-insensitive comparisons.
@param arr Array of strings allowing abbreviation.
@param spec Special character indicating start of optional text.
@param str String to find in array.
@param cs Flag: Case-sensitive search (0=no, other=yes).
@return Non-negative index value on success, -1 on error.
*/
int
dk4strw_abbr_index(
const wchar_t * const *arr,
wchar_t spec,
const wchar_t *str,
int cs
);
/** Check whether a text matches a pattern, the text may be abbreviated.
CRT on windows: Optional, disabling CRT degrades performance
for case-insensitive comparisons.
@param str Text to check.
@param pattern Pattern for comparison.
@param spec Special character marking the abbreviation in the
pattern.
@param cs Flag: Case sensitive (1) or not (0).
@return 1 for a match, 0 otherwise.
*/
int
dk4strw_is_abbr(const wchar_t *str,const wchar_t *pattern,wchar_t spec,int cs);
/** Check whether a string represents a boolean value.
CRT on windows: Optional, disabling CRT degrades performance.
@param str String to check.
@return 1 if str represents a boolean value, 0 otherwise.
*/
int
dk4strw_is_bool(const wchar_t *str);
/** Check whether a string represents the boolean value TRUE.
CRT on windows: Optional, disabling CRT degrades performance.
@param str String to check.
@return 1 if str represents the boolean value TRUE, 0 otherwise.
*/
int
dk4strw_is_on(const wchar_t *str);
#if (defined(_WIN32) && DK4_USE_WINDOWS_LOCAL_ALLOC) \
|| (DK4_HAVE_MALLOC && DK4_HAVE_FREE)
/** Duplicate string in dynamically allocated memory.
CRT on Windows: Optional, disabling CRT reduces functionality
to strings with length fitting to int and overall size in
bytes - including finalizer - fitting into a DWORD.
@param src String to duplicate.
@param erp Error report, may be NULL.
@return Pointer to string in new memory on succes, NULL on error.
Use dk4mem_free() to release the memory after usage.
Error codes:
- DK4_E_INVALID_ARGUMENTS<br>
if src is a NULL pointer,
- DK4_E_MATH_OVERFLOW<br>
on mathematical overflow in size calculation,
- DK4_E_MEMORY<br>
if no memory is available.
*/
wchar_t *
dk4strw_dup(const wchar_t *src, dk4_er_t *erp);
#endif
/* if (defined(_WIN32) ... */
/** Remove trailing white spaces.
CRT on Windows: Optional, disabling CRT degrades performance.
@param str String to remove white spaces from.
@param whsp White spaces set.
*/
void
dk4strw_rtwh(wchar_t *str, const wchar_t *whsp);
/** Remove trailing newline from line.
@param lptr Line pointer.
*/
void
dk4strw_delnl(wchar_t *lptr);
/** Skip the first text words in a line, return pointer to start
of next word.
@param line Line to process.
@param skip Number of words to skip.
@return Pointer to next word on success, NULL on error.
*/
const wchar_t *
dk4strw_skip(const wchar_t *line, size_t skip);
/** Sanitize string (overwrite using 0).
@param str Address of string to sanitize.
@return 1 on success, 0 on error.
*/
int
dk4strw_sanitize(wchar_t *str);
/** Sanitize string buffer (overwrite using 0 bytes).
@param str Address of string buffer.
@param sz Size of string buffer (number of wchar_t).
@return 1 on success, 0 on error.
*/
int
dk4strw_buffer_sanitize(wchar_t *str, size_t sz);
/** Sanitize dynamically allocated memory and release it.
@param str Address of string to sanitize and release.
@return 1 on success, 0 on error.
*/
int
dk4strw_free_sanitized(wchar_t *str);
#ifdef __cplusplus
}
#endif
/** Sanitize string and release it, set pointer to NULL.
@param p Pointer to string to release.
*/
#define dk4strw_release_sanitized(p) \
do { if (NULL != p) { (void)dk4strw_free_sanitized(p); } p = NULL; } while (0)
#endif
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