src/config/lxrgmr-code/lib/StrBuff.h

   1 /************************************************************************
   2  *                         reglxgmr
   3  *
   4  *   (c) Copyright 2023, FSF. Inc., Hangzhou, China
   5  *   (c) Copyright 2023, ×ÔÓÉÈí¼þ»ù½ð»á. Inc., º¼ÖÝ, ÖÐ¹ú
   6  ************************************************************************
   7  * filename:    StrBuff.h
   8  * function:    StrBuffÄ£¿é¡£
   9  * createdate:  2023-06-19
  10  * author:              devenkong@126.com
  11  * note£º               it extract string buffer code in menuconfig program,
  12  *                      and append new style interface.
  13  *
  14  ************************************************************************/
  15 /*                                                              Modify record                                                   */
  16 /************************************************************************
  17  * date:                        $DATE
  18  * author:              $AUTHOR
  19  * note:
  20  *
  21  ************************************************************************/
  22
  23 #ifndef __STR_BUFF_H__
  24 #define __STR_BUFF_H__
  25
  26 //#include "type.h"
  27
  28 /* Type Definations */
  29
  30 struct gstr {
  31         size_t len;
  32         char  *s;
  33         /*
  34         * when max_width is not zero long lines in string s (if any) get
  35         * wrapped not to exceed the max_width value
  36         */
  37         int max_width;
  38 };
  39
  40 /*
  41  * buffer for T_WORD/T_XXX_CONST/T_WORD_QUOTES ...
  42  */
  43 typedef struct __tag_STR_BUFF {
  44         char *text;
  45         int text_size, text_asize;
  46 } STR_BUFF, *PSTR_BUFF;
  47
  48 /* Public Variables and Functions */
  49
  50 /* lxr caching buffer */
  51 extern STR_BUFF strbuff;
  52
  53
  54 /* memory allocation function set */
  55 extern struct gstr str_new(void);
  56 extern void str_free(struct gstr *gs);
  57 extern void str_append(struct gstr *gs, const char *s);
  58 extern void str_printf(struct gstr *gs, const char *fmt, ...);
  59 extern const char *str_get(struct gstr *gs);
  60
  61 /* caching string buffer for T_WORD and others */
  62
  63 extern int is_empty_string (STR_BUFF *pstr_cache);
  64 extern int is_unallocated_string (STR_BUFF *pstr_cache);
  65 extern void init_strbuff (STR_BUFF *pstr_cache);
  66 extern void new_string (STR_BUFF *pstr_cache);
  67 extern void append_string (STR_BUFF *pstr_cache, const char *str, int size);
  68 extern void ungetc_string (STR_BUFF *pstr_cache, int size);
  69 extern void alloc_string (STR_BUFF *pstr_cache, const char *str, int size);
  70 extern int const_string (STR_BUFF *pstr_cache, int token);
  71 extern STR_BUFF *dup_string (STR_BUFF *pstr_cache, STR_BUFF *p_dst_str_cache);
  72 extern STR_BUFF *copy_string (STR_BUFF *pstr_cache, STR_BUFF *p_dst_str_cache);
  73 extern void free_string (STR_BUFF *pstr_cache);
  74 extern void ln_string (STR_BUFF *pstr_cache);
  75
  76 #endif /* __STR_BUFF_H__ */
  77
  78