ws.h

   1 #ifndef WS_H
   2 #define WS_H
   3
   4 struct index_state;
   5 struct strbuf;
   6
   7 /*
   8  * whitespace rules.
   9  * used by both diff and apply
  10  * last two digits are tab width
  11  */
  12 #define WS_BLANK_AT_EOL         0100
  13 #define WS_SPACE_BEFORE_TAB     0200
  14 #define WS_INDENT_WITH_NON_TAB  0400
  15 #define WS_CR_AT_EOL           01000
  16 #define WS_BLANK_AT_EOF        02000
  17 #define WS_TAB_IN_INDENT       04000
  18 #define WS_TRAILING_SPACE      (WS_BLANK_AT_EOL|WS_BLANK_AT_EOF)
  19 #define WS_DEFAULT_RULE (WS_TRAILING_SPACE|WS_SPACE_BEFORE_TAB|8)
  20 #define WS_TAB_WIDTH_MASK        077
  21 /* All WS_* -- when extended, adapt diff.c emit_symbol */
  22 #define WS_RULE_MASK           07777
  23 extern unsigned whitespace_rule_cfg;
  24 unsigned whitespace_rule(struct index_state *, const char *);
  25 unsigned parse_whitespace_rule(const char *);
  26 unsigned ws_check(const char *line, int len, unsigned ws_rule);
  27 void ws_check_emit(const char *line, int len, unsigned ws_rule, FILE *stream, const char *set, const char *reset, const char *ws);
  28 char *whitespace_error_string(unsigned ws);
  29 void ws_fix_copy(struct strbuf *, const char *, int, unsigned, int *);
  30 int ws_blank_line(const char *line, int len);
  31 #define ws_tab_width(rule)     ((rule) & WS_TAB_WIDTH_MASK)
  32
  33 #endif /* WS_H */