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/* |
/* |
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* Copyright (c) 1998, 1999 Shigio Yamaguchi |
* Copyright (c) 1998, 1999 Shigio Yamaguchi |
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* Copyright (c) 1999, 2000 Tama Communications Corporation |
* Copyright (c) 1999, 2000, 2004 Tama Communications Corporation |
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* |
* |
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* This file is part of GNU GLOBAL. |
* This file is part of GNU GLOBAL. |
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* |
* |
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static STRBUF *sb; |
static STRBUF *sb; |
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/* |
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* strmake: make string from original string p. |
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* |
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* i) p original string. |
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* i) lim limitter |
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* r) result string |
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* |
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* Usage: |
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* strmake("aaa:bbb", ":/=") => "aaaa" |
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* |
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* Note: The result string area is module local. So, following call |
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* to the function in this module may destroy the area. |
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*/ |
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char * |
char * |
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strmake(p, lim) |
strmake(p, lim) |
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const char *p; |
const char *p; |
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end: |
end: |
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return strbuf_value(sb); |
return strbuf_value(sb); |
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} |
} |
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/* |
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* strtrim: delete blanks from original string. |
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* |
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* i) p original string. |
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* i) flag TRIM_HEAD from only head |
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* TRIM_TAIL from only tail |
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* TRIM_BOTH from head and tail |
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* TRIM_ALL from all |
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* o) len length of result string |
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* if len == NULL then nothing returned. |
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* r) result string |
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* |
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* Usage: |
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* strtrim(" # define ", TRIM_HEAD, NULL) => "# define " |
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* strtrim(" # define ", TRIM_TAIL, NULL) => " # define" |
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* strtrim(" # define ", TRIM_BOTH, NULL) => "# define" |
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* strtrim(" # define ", TRIM_ALL, NULL) => "#define" |
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* |
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* Note: The result string area is module local. So, following call |
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* to the function in this module may destroy the area. |
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*/ |
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char * |
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strtrim(p, flag, len) |
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const char *p; |
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int flag; |
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int *len; |
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{ |
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int cut_off = -1; |
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if (sb == NULL) |
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sb = strbuf_open(0); |
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strbuf_reset(sb); |
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/* |
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* Delete blanks of the head. |
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*/ |
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if (flag != TRIM_TAIL) |
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SKIP_BLANKS(p); |
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/* |
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* Copy string. |
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*/ |
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for (; *p; p++) { |
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if (isspace(*p)) { |
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if (flag != TRIM_ALL) { |
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if (cut_off == -1 && flag != TRIM_HEAD) |
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cut_off = strbuf_getlen(sb); |
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strbuf_putc(sb,*p); |
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} |
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} else { |
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strbuf_putc(sb,*p); |
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cut_off = -1; |
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} |
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} |
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/* |
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* Delete blanks of the tail. |
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*/ |
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if (cut_off != -1) |
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strbuf_setlen(sb, cut_off); |
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if (len) |
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*len = strbuf_getlen(sb); |
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return strbuf_value(sb); |
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} |