-#include "xbt/sysdep.h"
-#include "xbt/str.h" /* headers of these functions */
-
-/** @brief Strip whitespace (or other characters) from the end of a string.
- *
- * Strips the whitespaces from the end of s.
- * By default (when char_list=nullptr), these characters get stripped:
- *
- * - " " (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.
- *
- * @param s The string to strip. Modified in place.
- * @param char_list A string which contains the characters you want to strip.
- */
-void xbt_str_rtrim(char *s, const char *char_list)
-{
- char *cur = s;
- const char *__char_list = " \t\n\r\x0B";
- char white_char[256] = { 1, 0 };
-
- if (not s)
- return;
-
- if (not char_list) {
- while (*__char_list) {
- white_char[(unsigned char) *__char_list++] = 1;
- }
- } else {
- while (*char_list) {
- white_char[(unsigned char) *char_list++] = 1;
- }
- }
-
- while (*cur)
- ++cur;
-
- while ((cur >= s) && white_char[(unsigned char) *cur])
- --cur;
-
- *++cur = '\0';
-}
-
-/** @brief Strip whitespace (or other characters) from the beginning of a string.
- *
- * Strips the whitespaces from the beginning of s.
- * By default (when char_list=nullptr), these characters get stripped:
- *
- * - " " (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.
- *
- * @param s The string to strip. Modified in place.
- * @param char_list A string which contains the characters you want to strip.
- */
-void xbt_str_ltrim(char *s, const char *char_list)
-{
- char *cur = s;
- const char *__char_list = " \t\n\r\x0B";
- char white_char[256] = { 1, 0 };
-
- if (not s)
- return;
-
- if (not char_list) {
- while (*__char_list) {
- white_char[(unsigned char) *__char_list++] = 1;
- }
- } else {
- while (*char_list) {
- white_char[(unsigned char) *char_list++] = 1;
- }
- }
-
- while (*cur && white_char[(unsigned char) *cur])
- ++cur;
-
- memmove(s, cur, strlen(cur) + 1);
-}
-
-/** @brief Strip whitespace (or other characters) from the end and the beginning of a string.
- *
- * Strips the whitespaces from both the beginning and the end of s.
- * By default (when char_list=nullptr), these characters get stripped:
- *
- * - " " (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.
- *
- * @param s The string to strip.
- * @param char_list A string which contains the characters you want to strip.
- */
-void xbt_str_trim(char *s, const char *char_list)
-{
- if (not s)
- return;
-
- xbt_str_rtrim(s, char_list);
- xbt_str_ltrim(s, char_list);
-}
-
-/** @brief Substitutes a char for another in a string
- *
- * @param str the string to modify
- * @param from char to search
- * @param to char to put instead
- * @param occurrence number of changes to do (=0 means all)
- */
-void xbt_str_subst(char *str, char from, char to, int occurence)
-{
- char *p = str;
- while (*p != '\0') {
- if (*p == from) {
- *p = to;
- if (occurence == 1)
- return;
- occurence--;
- }
- p++;
- }
-}
-
-/** @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";
- char is_sep[256] = { 1, 0 };
-
- /* check what are the separators */
- memset(is_sep, 0, sizeof(is_sep));
- if (not sep) {
- while (*sep_dflt)
- is_sep[(unsigned char) *sep_dflt++] = 1;
- } else {
- while (*sep)
- is_sep[(unsigned char) *sep++] = 1;
- }
- is_sep[0] = 1; /* 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 This functions splits a string after using another string as separator
- * For example Anot not B!not C split after !! will return the dynar {A,B,C}
- * \return An array of dynars containing the string tokens
- */
-xbt_dynar_t xbt_str_split_str(const char *s, const char *sep)
-{
- xbt_dynar_t res = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
-
- const char* p = s;
- const char* q = s;
- int done = 0;
-
- if (s[0] == '\0')
- return res;
- if (sep[0] == '\0') {
- s = xbt_strdup(s);
- xbt_dynar_push(res, &s);
- return res;
- }
-
- while (not done) {
- char *to_push;
- // get the start of the first occurrence of the substring
- q = strstr(p, sep);
- //if substring was not found add the entire string
- if (nullptr == q) {
- int v = strlen(p);
- to_push = (char*) xbt_malloc(v + 1);
- memcpy(to_push, p, v);
- to_push[v] = '\0';
- xbt_dynar_push(res, &to_push);
- done = 1;
- } else {
- //get the appearance
- to_push = (char*) xbt_malloc(q - p + 1);
- memcpy(to_push, p, q - p);
- //add string terminator
- to_push[q - p] = '\0';
- xbt_dynar_push(res, &to_push);
- p = q + strlen(sep);
- }
- }
- 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)
- * The elements of the dynar are just parts of the string passed as argument.
- * So if you don't store that argument elsewhere, you should free it in addition to freeing the dynar. This can be done
- * by simply freeing the first argument of the dynar:
- * free(xbt_dynar_get_ptr(dynar,0));
- *
- * Actually this function puts a bunch of \0 in the memory area you passed as argument to separate the elements, and
- * pushes the address of each chunk in the resulting dynar. Yes, that's uneven. Yes, that's gory. But that's efficient.
- */
-xbt_dynar_t xbt_str_split_quoted_in_place(char *s) {
- 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 */
-
- if (s[0] == '\0')
- return res;
-
- beg = s;
-
- /* do not trim leading spaces: caller responsibility to clean his cruft */
- end = beg;
-
- while (not done) {
- switch (*end) {
- case '\\':
- ctn = 1;
- /* Protected char; move it closer */
- memmove(end, end + 1, strlen(end));
- if (*end == '\0')
- THROWF(arg_error, 0, "String ends with \\");
- end++; /* Pass the protected char */
- break;
- case '\'':
- ctn = 1;
- if (not in_double_quote) {
- in_simple_quote = not in_simple_quote;
- memmove(end, end + 1, strlen(end));
- } else {
- /* simple quote protected by double ones */
- end++;
- }
- break;
- case '"':
- ctn = 1;
- if (not in_simple_quote) {
- in_double_quote = not in_double_quote;
- memmove(end, end + 1, strlen(end));
- } else {
- /* double quote protected by simple ones */
- end++;
- }
- break;
- case ' ':
- case '\t':
- case '\n':
- case '\0':
- if (*end == '\0' && (in_simple_quote || in_double_quote)) {
- THROWF(arg_error, 0, "End of string found while searching for %c in %s", (in_simple_quote ? '\'' : '"'), s);
- }
- 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;
- default:
- ctn = 1;
- end++;
- }
- }
- return res;
-}
-
-/** @brief Splits a string into a dynar of strings, taking quotes into account
- *
- * It basically does the same argument separation than the shell, where white spaces can be escaped and where arguments
- * are never split within a quote group.
- * Several subsequent spaces are ignored (unless within quotes, of course).
- * You may want to trim the input string, if you want to avoid empty entries
- */
-xbt_dynar_t xbt_str_split_quoted(const char *s)
-{
- xbt_dynar_t res = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
- xbt_dynar_t parsed;
- char *str_to_free; /* we have to copy the string before, to handle backslashes */
- unsigned int cursor;
- char *p;
-
- if (s[0] == '\0')
- return res;
- str_to_free = xbt_strdup(s);
-
- parsed = xbt_str_split_quoted_in_place(str_to_free);
- xbt_dynar_foreach(parsed,cursor,p) {
- char *q=xbt_strdup(p);
- xbt_dynar_push(res,&q);
- }
- free(str_to_free);
- xbt_dynar_shrink(res, 0);
- xbt_dynar_free(&parsed);
- return res;
-}
-
-/** @brief Join a set of strings as a single string */
-char *xbt_str_join(xbt_dynar_t dyn, const char *sep)
-{
- int len = 1;
- int dyn_len = xbt_dynar_length(dyn);
- unsigned int cpt;
- char* cursor;
-
- if (not dyn_len)
- return xbt_strdup("");
-
- /* compute the length */
- xbt_dynar_foreach(dyn, cpt, cursor) {
- len += strlen(cursor);
- }
- len += strlen(sep) * dyn_len;
- /* Do the job */
- char* res = (char*)xbt_malloc(len);
- char* p = res;
- xbt_dynar_foreach(dyn, cpt, cursor) {
- if ((int) cpt < dyn_len - 1)
- p += snprintf(p,len, "%s%s", cursor, sep);
- else
- p += snprintf(p,len, "%s", cursor);
- }
- return res;
-}
-
-/** @brief Join a set of strings as a single string
- *
- * The parameter must be a nullptr-terminated array of chars,
- * just like xbt_dynar_to_array() produces
- */
-char *xbt_str_join_array(const char *const *strs, const char *sep)
-{
- int amount_strings=0;
- int len=0;
-
- if ((not strs) || (not strs[0]))
- return xbt_strdup("");
-
- /* compute the length before malloc */
- for (int i = 0; strs[i]; i++) {
- len += strlen(strs[i]);
- amount_strings++;
- }
- len += strlen(sep) * amount_strings;
-
- /* Do the job */
- char* res = (char*)xbt_malloc(len);
- char* q = res;
- for (int i = 0; strs[i]; i++) {
- if (i != 0) { // not first loop
- q += snprintf(q,len, "%s%s", sep, strs[i]);
- } else {
- q += snprintf(q,len, "%s",strs[i]);
- }
- }
- return res;
-}