X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/762815d39849184808292c38523d0ea7e498ca82..4725d7a4bc5ac1fdae3e86222cdc23eaaf6fb226:/src/xbt/xbt_str.c diff --git a/src/xbt/xbt_str.c b/src/xbt/xbt_str.c index 16a45ce754..ec83746859 100644 --- a/src/xbt/xbt_str.c +++ b/src/xbt/xbt_str.c @@ -6,9 +6,9 @@ /* 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. + * under the terms of the license (GNU LGPL) which comes with this package. */ - + #include "xbt/misc.h" #include "xbt/sysdep.h" #include "xbt/str.h" /* headers of these functions */ @@ -17,15 +17,15 @@ /** @brief Strip whitespace (or other characters) from the end of a string. * - * Strips the whitespaces from the end of s. + * Strips the whitespaces from the end of s. * By default (when char_list=NULL), 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)) NULL. - * - "\x0B" (ASCII 11 (0x0B)) vertical tab. + * + * - " " (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)) NULL. + * - "\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. @@ -37,7 +37,7 @@ 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(!s) return; @@ -64,13 +64,13 @@ xbt_str_rtrim(char* s, const char* char_list) * * Strips the whitespaces from the begining of s. * By default (when char_list=NULL), 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)) NULL. - * - "\x0B" (ASCII 11 (0x0B)) vertical tab. + * + * - " " (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)) NULL. + * - "\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. @@ -82,7 +82,7 @@ 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(!s) return; @@ -106,13 +106,13 @@ xbt_str_ltrim( char* s, const char* char_list) * * Strips the whitespaces from both the beginning and the end of s. * By default (when char_list=NULL), 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)) NULL. - * - "\x0B" (ASCII 11 (0x0B)) vertical tab. + * + * - " " (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)) NULL. + * - "\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. @@ -120,10 +120,10 @@ xbt_str_ltrim( char* s, const char* char_list) */ void xbt_str_trim(char* s, const char* char_list ){ - + if(!s) return; - + xbt_str_rtrim(s,char_list); xbt_str_ltrim(s,char_list); } @@ -131,7 +131,7 @@ xbt_str_trim(char* s, const char* char_list ){ /** @brief Replace double whitespaces (but no other characters) from the string. * * The function modifies the string so that each time that several spaces appear, - * they are replaced by a single space. It will only do so for spaces (ASCII 32, 0x20). + * they are replaced by a single space. It will only do so for spaces (ASCII 32, 0x20). * * @param s The string to strip. Modified in place. * @@ -147,22 +147,22 @@ xbt_str_strip_spaces(char *s) { while (1) { if (!*p) goto end; - + if (*p != ' ') break; - + p++; } - + e = 1; - + do { if (e) *s++ = *p; - + if (!*++p) goto end; - + if (e ^ (*p!=' ')) if ((e = !e)) *s++ = ' '; @@ -172,19 +172,19 @@ xbt_str_strip_spaces(char *s) { *s = '\0'; } -/** @brief Splits a string into a dynar of strings - * +/** @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=NULL), 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)) NULL. - * - "\x0B" (ASCII 11 (0x0B)) vertical tab. + * By default (with sep=NULL), 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)) NULL. + * - "\x0B" (ASCII 11 (0x0B)) vertical tab. */ xbt_dynar_t xbt_str_split(const char *s, const char *sep) { @@ -204,9 +204,9 @@ xbt_dynar_t xbt_str_split(const char *s, const char *sep) { is_sep[(unsigned char) *sep++] = 1; } is_sep[0] = 1; /* End of string is also separator */ - + /* Do the job */ - p=q=s; + p=q=s; done=0; if (s[0] == '\0') @@ -239,11 +239,11 @@ 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); int done; const char *p, *q; - + p = q = s; done = 0; - - if (s[0] == '\0') + + if (s[0] == '\0') return res; if (sep[0] == '\0') { s = xbt_strdup(s); @@ -279,9 +279,9 @@ xbt_dynar_t xbt_str_split_str(const char *s, const char *sep) { } /** @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 splitted within a + * + * It basically does the same argument separation than the shell, where white + * spaces can be escaped and where arguments are never splitted within a * quote group. * Several subsequent spaces are ignored (unless within quotes, of course). * @@ -298,19 +298,19 @@ xbt_dynar_t xbt_str_split_quoted(const char *s) { if (s[0] == '\0') return res; beg = str = xbt_strdup(s); - + /* trim leading spaces */ xbt_str_ltrim(beg," "); end=beg; - + while (!done) { - - + + switch (*end) { case '\\': ctn = 1; /* Protected char; move it closer */ - memmove(end,end+1,strlen(end)); + memmove(end,end+1,strlen(end)); if (*end=='\0') THROW0(arg_error,0,"String ends with \\"); end++; /* Pass the protected char */ @@ -318,23 +318,23 @@ xbt_dynar_t xbt_str_split_quoted(const char *s) { case '\'': ctn = 1; - if (!in_double_quote) { + if (!in_double_quote) { in_simple_quote = !in_simple_quote; memmove(end,end+1,strlen(end)); - } else { + } else { /* simple quote protected by double ones */ end++; } break; case '"': ctn = 1; - if (!in_simple_quote) { + if (!in_simple_quote) { in_double_quote = !in_double_quote; memmove(end,end+1,strlen(end)); - } else { + } else { /* double quote protected by simple ones */ end++; - } + } break; case ' ': @@ -349,7 +349,7 @@ xbt_dynar_t xbt_str_split_quoted(const char *s) { } if (in_simple_quote || in_double_quote) { end++; - } else { + } else { if (ctn) { /* Found a separator. Push the string if contains something */ char *topush=xbt_malloc(end-beg+1); @@ -363,17 +363,17 @@ xbt_dynar_t xbt_str_split_quoted(const char *s) { done = 1; break; } - + beg=++end; xbt_str_ltrim(beg," "); end=beg; - } + } break; - + default: ctn = 1; end++; - } + } } free(str); return res; @@ -433,7 +433,7 @@ XBT_TEST_UNIT("xbt_str_split_str",test_split_str, "test the function xbt_str_spl mytest_str("Basic test", "toto##tutu", "##", "totoXXXtutu"); } #endif /* SIMGRID_TEST */ - + /** @brief Join a set of strings as a single string */ char *xbt_str_join(xbt_dynar_t dyn, const char*sep) { @@ -441,7 +441,7 @@ char *xbt_str_join(xbt_dynar_t dyn, const char*sep) { unsigned int cpt; char *cursor; char *res,*p; - + if (!dyn_len) return xbt_strdup(""); @@ -455,62 +455,62 @@ char *xbt_str_join(xbt_dynar_t dyn, const char*sep) { p=res; xbt_dynar_foreach(dyn,cpt,cursor) { if ((int)cpt= (*n) + 1) *buf = xbt_realloc(*buf, *n += 512); - + (*buf)[i] = ch; - + if ((*buf)[i] == '\n') { i++; (*buf)[i] = '\0'; break; - } + } } - - if (i == *n) + + if (i == *n) *buf = xbt_realloc(*buf, *n += 1); - + (*buf)[i] = '\0'; return (ssize_t)i; @@ -519,11 +519,11 @@ long getline(char **buf, size_t *n, FILE *stream) { #endif /* HAVE_GETLINE */ /* - * Diff related functions + * Diff related functions */ static xbt_matrix_t diff_build_LCS(xbt_dynar_t da, xbt_dynar_t db) { xbt_matrix_t C = xbt_matrix_new(xbt_dynar_length(da),xbt_dynar_length(db), - sizeof(int),NULL); + sizeof(int),NULL); unsigned long i,j; /* Compute the LCS */ @@ -542,14 +542,14 @@ static xbt_matrix_t diff_build_LCS(xbt_dynar_t da, xbt_dynar_t db) { return C[m,n] */ if (xbt_dynar_length(db) != 0) - for (i=0; i 0 and j > 0 and X[i] = Y[j] printDiff(C, X, Y, i-1, j-1) @@ -585,22 +585,22 @@ static void diff_build_diff(xbt_dynar_t res, diff_build_diff(res,C,da,db,i-1,j-1); topush = bprintf(" %s",xbt_dynar_get_as(da,i,char*)); xbt_dynar_push(res, &topush); - } else if (j>=0 && + } else if (j>=0 && (i<=0 ||j==0|| xbt_matrix_get_as(C,i,j-1,int) >= xbt_matrix_get_as(C,i-1,j,int))) { diff_build_diff(res,C,da,db,i,j-1); topush = bprintf("+ %s",xbt_dynar_get_as(db,j,char*)); xbt_dynar_push(res,&topush); - } else if (i>=0 && + } else if (i>=0 && (j<=0 || xbt_matrix_get_as(C,i,j-1,int) < xbt_matrix_get_as(C,i-1,j,int))) { diff_build_diff(res,C,da,db,i-1,j); topush = bprintf("- %s",xbt_dynar_get_as(da,i,char*)); - xbt_dynar_push(res,&topush); + xbt_dynar_push(res,&topush); } else if (i<=0 && j<=0) { return; } else { THROW2(arg_error,0,"Invalid values: i=%d, j=%d",i,j); } - + } /** @brief Compute the unified diff of two strings */ @@ -611,7 +611,7 @@ char *xbt_str_diff(char *a, char *b) { xbt_matrix_t C = diff_build_LCS(da,db); xbt_dynar_t diff = xbt_dynar_new(sizeof(char*),xbt_free_ref); char *res=NULL; - + diff_build_diff(diff, C, da,db, xbt_dynar_length(da)-1, xbt_dynar_length(db)-1); /* Clean empty lines at the end */ while (xbt_dynar_length(diff) > 0) { @@ -622,14 +622,14 @@ char *xbt_str_diff(char *a, char *b) { } else { xbt_dynar_push(diff,&str); break; - } - } + } + } res = xbt_str_join(diff, "\n"); xbt_dynar_free(&da); xbt_dynar_free(&db); xbt_dynar_free(&diff); xbt_matrix_free(C); - + return res; }