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* strop.c (scm_string_split): New procedure.

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* strop.h (scm_string_split): Added prototype.
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Martin Grabmüller 2001-05-04 04:59:05 +00:00
parent 76f944c3ca
commit dd2a6f3ac6
3 changed files with 56 additions and 0 deletions
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6
libguile/ChangeLog
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@ -1,3 +1,9 @@
2001-05-04 Martin Grabmueller <mgrabmue@cs.tu-berlin.de>
* strop.c (scm_string_split): New procedure.
* strop.h (scm_string_split): Added prototype.
2001-05-04 Gary Houston <ghouston@arglist.com>
* socket.c: define uint32_t if netdb.h doesn't. thanks to

49
libguile/strop.c
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@ -509,6 +509,55 @@ SCM_DEFINE (scm_string_capitalize, "string-capitalize", 1, 0, 0,
#undef FUNC_NAME
SCM_DEFINE (scm_string_split, "string-split", 2, 0, 0,
(SCM str, SCM chr),
"Split the string @var{str} into the a list of the substrings delimited\n"
"by appearances of the character @var{chr}. Note that an empty substring\n"
"between separator characters will result in an empty string in the\n"
"result list.\n"
"\n"
"@lisp\n"
"(string-split \"root:x:0:0:root:/root:/bin/bash\" #\:)\n"
"@result{}\n"
"(\"root\" \"x\" \"0\" \"0\" \"root\" \"/root\" \"/bin/bash\")\n"
"\n"
"(string-split \"::\" #\:)\n"
"@result{}\n"
"(\"\" \"\" \"\")\n"
"\n"
"(string-split \"\" #\:)\n"
"@result{}\n"
"(\"\")\n"
"@end lisp")
#define FUNC_NAME s_scm_string_split
{
int idx, last_idx;
char * p;
int ch;
SCM res = SCM_EOL;
SCM_VALIDATE_STRING (1, str);
SCM_VALIDATE_CHAR (2, chr);
idx = SCM_STRING_LENGTH (str);
p = SCM_STRING_CHARS (str);
ch = SCM_CHAR (chr);
while (idx >= 0)
{
last_idx = idx;
while (idx > 0 && p[idx - 1] != ch)
idx--;
if (idx >= 0)
{
res = scm_cons (scm_makfromstr (p + idx, last_idx - idx, 0), res);
idx--;
}
}
return res;
}
#undef FUNC_NAME
SCM_DEFINE (scm_string_ci_to_symbol, "string-ci->symbol", 1, 0, 0,
(SCM str),
"Return the symbol whose name is @var{str}. @var{str} is\n"

1
libguile/strop.h
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@ -64,6 +64,7 @@ extern SCM scm_string_downcase_x (SCM v);
extern SCM scm_string_downcase (SCM v);
extern SCM scm_string_capitalize_x (SCM v);
extern SCM scm_string_capitalize (SCM v);
extern SCM scm_string_split (SCM str, SCM chr);
extern SCM scm_string_ci_to_symbol (SCM v);
#define scm_substring_move_left_x scm_substring_move_x