/* xbt_str.cpp - various helping functions to deal with strings */
-/* Copyright (c) 2007-2020. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2007-2021. The SimGrid Team. All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
#include "xbt/string.hpp"
#include <array>
-/** @brief Splits a string into a dynar of strings
- *
- * @param s: the string to split
- * @param sep: a string of all chars to consider as separator.
- *
- * By default (with sep=nullptr), these characters are used as separator:
- *
- * - " " (ASCII 32 (0x20)) space.
- * - "\t" (ASCII 9 (0x09)) tab.
- * - "\n" (ASCII 10 (0x0A)) line feed.
- * - "\r" (ASCII 13 (0x0D)) carriage return.
- * - "\0" (ASCII 0 (0x00)) nullptr.
- * - "\x0B" (ASCII 11 (0x0B)) vertical tab.
- */
-xbt_dynar_t xbt_str_split(const char *s, const char *sep)
-{
- xbt_dynar_t res = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
- const char *sep_dflt = " \t\n\r\x0B";
- std::array<bool, 256> is_sep;
-
- /* check what are the separators */
- is_sep.fill(false);
- if (not sep) {
- while (*sep_dflt)
- is_sep[(unsigned char)*sep_dflt++] = true;
- } else {
- while (*sep)
- is_sep[(unsigned char)*sep++] = true;
- }
- is_sep[0] = true; /* End of string is also separator */
-
- /* Do the job */
- const char* p = s;
- const char* q = s;
- int done = 0;
-
- if (s[0] == '\0')
- return res;
-
- while (not done) {
- char *topush;
- while (not is_sep[(unsigned char)*q]) {
- q++;
- }
- if (*q == '\0')
- done = 1;
-
- topush = (char*) xbt_malloc(q - p + 1);
- memcpy(topush, p, q - p);
- topush[q - p] = '\0';
- xbt_dynar_push(res, &topush);
- p = ++q;
- }
-
- return res;
-}
-
/** @brief Just like @ref xbt_str_split_quoted (Splits a string into a dynar of strings), but without memory allocation
*
* The string passed as argument must be writable (not const)
xbt_dynar_t res = xbt_dynar_new(sizeof(char *), nullptr);
char* beg;
char* end; /* pointers around the parsed chunk */
- int in_simple_quote = 0;
- int in_double_quote = 0;
- int done = 0;
- int ctn = 0; /* Got something in this block */
+ bool in_simple_quote = false;
+ bool in_double_quote = false;
+ bool done = false;
+ bool ctn = false; /* Got something in this block */
if (s[0] == '\0')
return res;
while (not done) {
switch (*end) {
case '\\':
- ctn = 1;
+ ctn = true;
/* Protected char; move it closer */
memmove(end, end + 1, strlen(end));
if (*end == '\0')
end++; /* Pass the protected char */
break;
case '\'':
- ctn = 1;
+ ctn = true;
if (not in_double_quote) {
in_simple_quote = not in_simple_quote;
memmove(end, end + 1, strlen(end));
}
break;
case '"':
- ctn = 1;
+ ctn = true;
if (not in_simple_quote) {
in_double_quote = not in_double_quote;
memmove(end, end + 1, strlen(end));
}
if (in_simple_quote || in_double_quote) {
end++;
- } else {
- if (*end == '\0')
- done = 1;
-
- *end = '\0';
- if (ctn) {
- /* Found a separator. Push the string if contains something */
- xbt_dynar_push(res, &beg);
- }
- ctn = 0;
-
- if (done)
- break;
-
- beg = ++end;
- /* trim within the string, manually to speed things up */
- while (*beg == ' ')
- beg++;
- end = beg;
+ break;
+ }
+ if (*end == '\0')
+ done = true;
+
+ *end = '\0';
+ if (ctn) {
+ /* Found a separator. Push the string if contains something */
+ xbt_dynar_push(res, &beg);
}
+ ctn = false;
+
+ if (done)
+ break;
+
+ beg = ++end;
+ /* trim within the string, manually to speed things up */
+ while (*beg == ' ')
+ beg++;
+ end = beg;
break;
default:
- ctn = 1;
+ ctn = true;
end++;
}
}
