engine/strings.h

   1 /*
   2   strings.h - MaLa string handling
   3
   4   Copyright (C) 2004, 2005, 2006, Christian Thaeter <chth@gmx.net>
   5
   6   This program is free software; you can redistribute it and/or modify
   7   it under the terms of the GNU General Public License version 2 as
   8   published by the Free Software Foundation.
   9
  10   This program is distributed in the hope that it will be useful,
  11   but WITHOUT ANY WARRANTY; without even the implied warranty of
  12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13   GNU General Public License for more details.
  14
  15   You should have received a copy of the GNU General Public License
  16   along with this program; if not, contact me.
  17
  18 */
  19 \f
  20 #ifndef MALA_STRINGS_H
  21 #define MALA_STRINGS_H
  22
  23 #include <string.h>
  24 #include <stdint.h>
  25 #include <stdlib.h>
  26 #include "mala_types.h"
  27 #include "acogc.h"
  28 #include "stringbucket.h"
  29 #include "llist.h"
  30 \f
  31
  32 struct mala_string_struct
  33 {
  34   const char * str;
  35   size_t len;
  36   union
  37   {
  38     MalaAction action;
  39     void * user;
  40     int integer;
  41     MalaString string;
  42   };
  43   short str_alloc_type:4;
  44   short user_alloc_type:4;
  45 };
  46 \f
  47 /* gc support */
  48 acogc_mark_result
  49 mala_string_acogc_mark (void*);
  50
  51 void
  52 mala_string_acogc_initize (void*);
  53
  54 void
  55 mala_string_acogc_finalize (void*);
  56
  57 /* constructors */
  58 MalaString
  59 mala_string_new_cstr (const char* cstr, MalaStringBucket bucket);
  60
  61 MalaString
  62 mala_string_new_literal_cstr (const char* cstr, MalaStringBucket bucket);
  63
  64 MalaString
  65 mala_string_new_attach_cstr (const char* cstr, MalaStringBucket bucket);
  66
  67 MalaString
  68 mala_string_new_cstr_n (const char* cstr, const size_t n, MalaStringBucket bucket);
  69
  70 MalaString
  71 mala_string_new_2cstr (const char* cstr1, const char* cstr2, MalaStringBucket bucket);
  72
  73 MalaString
  74 mala_string_new_print (MalaStringBucket bucket, const char* fmt,...);
  75
  76 MalaString
  77 mala_string_new_n (MalaString src, const size_t n, MalaStringBucket bucket);
  78
  79 MalaString
  80 mala_string_new_prefix (const char* prefix, MalaString str, MalaStringBucket bucket);
  81
  82 int
  83 mala_string_scan (const_MalaString str,const char* fmt,...);
  84
  85
  86 static inline const char*
  87 mala_string_cstr (const_MalaString s);
  88
  89 static inline size_t
  90 mala_string_length (const_MalaString s);
  91
  92 static inline int
  93 mala_string_compare (const_MalaString a, const_MalaString b);
  94
  95 static inline int
  96 mala_string_compare_nocase (const_MalaString a, const_MalaString b);
  97
  98
  99
 100 static inline const char*
 101 mala_string_cstr (const_MalaString s)
 102 {
 103   return s ? s->str : NULL;
 104 }
 105
 106
 107 static inline size_t
 108 mala_string_length (const_MalaString s)
 109 {
 110   return s->len;
 111 }
 112
 113
 114 static inline int
 115 mala_string_compare (const_MalaString a, const_MalaString b)
 116 {
 117   return a == b ? 0 : strcmp (mala_string_cstr (a), mala_string_cstr (b));
 118 }
 119
 120
 121 static inline int
 122 mala_string_compare_nocase (const_MalaString a, const_MalaString b)
 123 {
 124   return a == b ? 0 : strcasecmp (mala_string_cstr (a), mala_string_cstr (b));
 125 }
 126
 127
 128 #endif /* MALA_STRINGS */
 129
 130 /*
 131 // Local Variables:
 132 // mode: C
 133 // c-file-style: "gnu"
 134 // End:
 135 // arch-tag: b43b7350-ecb6-4aa8-94d3-930da822e3ea
 136 // end_of_file
 137 */
 138