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  1. /*
  2.  * Copyright (c) 2001-2004 Jakub Jermar
  3.  * All rights reserved.
  4.  *
  5.  * Redistribution and use in source and binary forms, with or without
  6.  * modification, are permitted provided that the following conditions
  7.  * are met:
  8.  *
  9.  * - Redistributions of source code must retain the above copyright
  10.  *   notice, this list of conditions and the following disclaimer.
  11.  * - Redistributions in binary form must reproduce the above copyright
  12.  *   notice, this list of conditions and the following disclaimer in the
  13.  *   documentation and/or other materials provided with the distribution.
  14.  * - The name of the author may not be used to endorse or promote products
  15.  *   derived from this software without specific prior written permission.
  16.  *
  17.  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18.  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19.  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20.  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21.  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22.  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23.  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24.  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25.  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26.  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27.  */
  28.  
  29. /** @addtogroup generic
  30.  * @{
  31.  */
  32. /** @file
  33.  */
  34.  
  35. #ifndef KERN_STRING_H_
  36. #define KERN_STRING_H_
  37.  
  38. #include <typedefs.h>
  39.  
  40. /**< Common Unicode characters */
  41. #define U_SPECIAL      '?'
  42.  
  43. #define U_LEFT_ARROW   0x2190
  44. #define U_UP_ARROW     0x2191
  45. #define U_RIGHT_ARROW  0x2192
  46. #define U_DOWN_ARROW   0x2193
  47.  
  48. #define U_PAGE_UP      0x21de
  49. #define U_PAGE_DOWN    0x21df
  50.  
  51. #define U_HOME_ARROW   0x21f1
  52. #define U_END_ARROW    0x21f2
  53.  
  54. #define U_NULL         0x2400
  55. #define U_ESCAPE       0x241b
  56. #define U_DELETE       0x2421
  57.  
  58. #define U_CURSOR       0x2588
  59.  
  60. #define U_BOM          0xfeff
  61.  
  62. /**< No size limit constant */
  63. #define STR_NO_LIMIT  ((size_t) -1)
  64.  
  65. /**< Maximum size of a string containing cnt characters */
  66. #define STR_BOUNDS(cnt)  (cnt << 2)
  67.  
  68. extern wchar_t str_decode(const char *str, size_t *offset, size_t sz);
  69. extern int chr_encode(wchar_t ch, char *str, size_t *offset, size_t sz);
  70.  
  71. extern size_t str_size(const char *str);
  72. extern size_t wstr_size(const wchar_t *str);
  73.  
  74. extern size_t str_lsize(const char *str, count_t max_len);
  75. extern size_t wstr_lsize(const wchar_t *str, count_t max_len);
  76.  
  77. extern count_t str_length(const char *str);
  78. extern count_t wstr_length(const wchar_t *wstr);
  79.  
  80. extern count_t str_nlength(const char *str, size_t size);
  81. extern count_t wstr_nlength(const wchar_t *str, size_t size);
  82.  
  83. extern bool ascii_check(wchar_t ch);
  84. extern bool chr_check(wchar_t ch);
  85.  
  86. extern int str_cmp(const char *s1, const char *s2);
  87. extern int str_lcmp(const char *s1, const char *s2, count_t max_len);
  88.  
  89. extern void str_cpy(char *dest, size_t size, const char *src);
  90. extern void str_ncpy(char *dest, size_t size, const char *src, size_t n);
  91. extern void wstr_nstr(char *dst, const wchar_t *src, size_t size);
  92.  
  93. extern const char *str_chr(const char *str, wchar_t ch);
  94.  
  95. extern bool wstr_linsert(wchar_t *str, wchar_t ch, count_t pos, count_t max_pos);
  96. extern bool wstr_remove(wchar_t *str, count_t pos);
  97.  
  98. #endif
  99.  
  100. /** @}
  101.  */
  102.