--- a/src/ucx/string.c Thu Nov 10 18:44:48 2016 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,381 +0,0 @@
-/*
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
- *
- * Copyright 2015 Olaf Wintermann. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <stdlib.h>
-#include <string.h>
-#include <stdarg.h>
-#include <ctype.h>
-
-#include "string.h"
-#include "allocator.h"
-
-sstr_t sstr(char *cstring) {
- sstr_t string;
- string.ptr = cstring;
- string.length = strlen(cstring);
- return string;
-}
-
-sstr_t sstrn(char *cstring, size_t length) {
- sstr_t string;
- string.ptr = cstring;
- string.length = length;
- return string;
-}
-
-size_t sstrnlen(size_t n, sstr_t s, ...) {
- va_list ap;
- size_t size = s.length;
- va_start(ap, s);
-
- for (size_t i = 1 ; i < n ; i++) {
- sstr_t str = va_arg(ap, sstr_t);
- size += str.length;
- }
- va_end(ap);
-
- return size;
-}
-
-static sstr_t sstrvcat_a(
- UcxAllocator *a,
- size_t count,
- sstr_t s1,
- sstr_t s2,
- va_list ap) {
- sstr_t str;
- str.ptr = NULL;
- str.length = 0;
- if(count < 2) {
- return str;
- }
-
- sstr_t *strings = (sstr_t*) calloc(count, sizeof(sstr_t));
- if(!strings) {
- return str;
- }
-
- // get all args and overall length
- strings[0] = s1;
- strings[1] = s2;
- size_t strlen = s1.length + s2.length;
- for (size_t i=2;i<count;i++) {
- sstr_t s = va_arg (ap, sstr_t);
- strings[i] = s;
- strlen += s.length;
- }
-
- // create new string
- str.ptr = (char*) almalloc(a, strlen + 1);
- str.length = strlen;
- if(!str.ptr) {
- free(strings);
- str.length = 0;
- return str;
- }
-
- // concatenate strings
- size_t pos = 0;
- for (size_t i=0;i<count;i++) {
- sstr_t s = strings[i];
- memcpy(str.ptr + pos, s.ptr, s.length);
- pos += s.length;
- }
-
- str.ptr[str.length] = '\0';
-
- free(strings);
-
- return str;
-}
-
-sstr_t sstrcat(size_t count, sstr_t s1, sstr_t s2, ...) {
- va_list ap;
- va_start(ap, s2);
- sstr_t s = sstrvcat_a(ucx_default_allocator(), count, s1, s2, ap);
- va_end(ap);
- return s;
-}
-
-sstr_t sstrcat_a(UcxAllocator *a, size_t count, sstr_t s1, sstr_t s2, ...) {
- va_list ap;
- va_start(ap, s2);
- sstr_t s = sstrvcat_a(a, count, s1, s2, ap);
- va_end(ap);
- return s;
-}
-
-sstr_t sstrsubs(sstr_t s, size_t start) {
- return sstrsubsl (s, start, s.length-start);
-}
-
-sstr_t sstrsubsl(sstr_t s, size_t start, size_t length) {
- sstr_t new_sstr;
- if (start >= s.length) {
- new_sstr.ptr = NULL;
- new_sstr.length = 0;
- } else {
- if (length > s.length-start) {
- length = s.length-start;
- }
- new_sstr.ptr = &s.ptr[start];
- new_sstr.length = length;
- }
- return new_sstr;
-}
-
-sstr_t sstrchr(sstr_t s, int c) {
- for(size_t i=0;i<s.length;i++) {
- if(s.ptr[i] == c) {
- return sstrsubs(s, i);
- }
- }
- sstr_t n;
- n.ptr = NULL;
- n.length = 0;
- return n;
-}
-
-sstr_t sstrrchr(sstr_t s, int c) {
- if (s.length > 0) {
- for(size_t i=s.length;i>0;i--) {
- if(s.ptr[i-1] == c) {
- return sstrsubs(s, i-1);
- }
- }
- }
- sstr_t n;
- n.ptr = NULL;
- n.length = 0;
- return n;
-}
-
-sstr_t sstrstr(sstr_t string, sstr_t match) {
- if (match.length == 0) {
- return string;
- }
-
- for (size_t i = 0 ; i < string.length ; i++) {
- sstr_t substr = sstrsubs(string, i);
- if (sstrprefix(substr, match)) {
- return substr;
- }
- }
-
- sstr_t emptystr;
- emptystr.length = 0;
- emptystr.ptr = NULL;
- return emptystr;
-}
-
-sstr_t* sstrsplit(sstr_t s, sstr_t d, ssize_t *n) {
- return sstrsplit_a(ucx_default_allocator(), s, d, n);
-}
-
-sstr_t* sstrsplit_a(UcxAllocator *allocator, sstr_t s, sstr_t d, ssize_t *n) {
- if (s.length == 0 || d.length == 0) {
- *n = -1;
- return NULL;
- }
-
- sstr_t* result;
- ssize_t nmax = *n;
- *n = 1;
-
- /* special case: exact match - no processing needed */
- if (sstrcmp(s, d) == 0) {
- *n = 0;
- return NULL;
- }
- sstr_t sv = sstrdup(s);
- if (sv.length == 0) {
- *n = -2;
- return NULL;
- }
-
- for (size_t i = 0 ; i < s.length ; i++) {
- sstr_t substr = sstrsubs(sv, i);
- if (sstrprefix(substr, d)) {
- (*n)++;
- for (size_t j = 0 ; j < d.length ; j++) {
- sv.ptr[i+j] = 0;
- }
- i += d.length - 1; // -1, because the loop will do a i++
- }
- if ((*n) == nmax) break;
- }
- result = (sstr_t*) almalloc(allocator, sizeof(sstr_t)*(*n));
-
- if (result) {
- char *pptr = sv.ptr;
- for (ssize_t i = 0 ; i < *n ; i++) {
- size_t l = strlen(pptr);
- char* ptr = (char*) almalloc(allocator, l + 1);
- if (ptr) {
- memcpy(ptr, pptr, l);
- ptr[l] = 0;
-
- result[i] = sstrn(ptr, l);
- pptr += l + d.length;
- } else {
- for (ssize_t j = i-1 ; j >= 0 ; j--) {
- alfree(allocator, result[j].ptr);
- }
- alfree(allocator, result);
- *n = -2;
- break;
- }
- }
- } else {
- *n = -2;
- }
-
- free(sv.ptr);
-
- return result;
-}
-
-int sstrcmp(sstr_t s1, sstr_t s2) {
- if (s1.length == s2.length) {
- return memcmp(s1.ptr, s2.ptr, s1.length);
- } else if (s1.length > s2.length) {
- return 1;
- } else {
- return -1;
- }
-}
-
-int sstrcasecmp(sstr_t s1, sstr_t s2) {
- if (s1.length == s2.length) {
-#ifdef _WIN32
- return _strnicmp(s1.ptr, s2.ptr, s1.length);
-#else
- return strncasecmp(s1.ptr, s2.ptr, s1.length);
-#endif
- } else if (s1.length > s2.length) {
- return 1;
- } else {
- return -1;
- }
-}
-
-sstr_t sstrdup(sstr_t s) {
- return sstrdup_a(ucx_default_allocator(), s);
-}
-
-sstr_t sstrdup_a(UcxAllocator *allocator, sstr_t s) {
- sstr_t newstring;
- newstring.ptr = (char*)almalloc(allocator, s.length + 1);
- if (newstring.ptr) {
- newstring.length = s.length;
- newstring.ptr[newstring.length] = 0;
-
- memcpy(newstring.ptr, s.ptr, s.length);
- } else {
- newstring.length = 0;
- }
-
- return newstring;
-}
-
-sstr_t sstrtrim(sstr_t string) {
- sstr_t newstr = string;
-
- while (newstr.length > 0 && isspace(*newstr.ptr)) {
- newstr.ptr++;
- newstr.length--;
- }
- while (newstr.length > 0 && isspace(newstr.ptr[newstr.length-1])) {
- newstr.length--;
- }
-
- return newstr;
-}
-
-int sstrprefix(sstr_t string, sstr_t prefix) {
- if (string.length == 0) {
- return prefix.length == 0;
- }
- if (prefix.length == 0) {
- return 1;
- }
-
- if (prefix.length > string.length) {
- return 0;
- } else {
- return memcmp(string.ptr, prefix.ptr, prefix.length) == 0;
- }
-}
-
-int sstrsuffix(sstr_t string, sstr_t suffix) {
- if (string.length == 0) {
- return suffix.length == 0;
- }
- if (suffix.length == 0) {
- return 1;
- }
-
- if (suffix.length > string.length) {
- return 0;
- } else {
- return memcmp(string.ptr+string.length-suffix.length,
- suffix.ptr, suffix.length) == 0;
- }
-}
-
-sstr_t sstrlower(sstr_t string) {
- sstr_t ret = sstrdup(string);
- for (size_t i = 0; i < ret.length ; i++) {
- ret.ptr[i] = tolower(ret.ptr[i]);
- }
- return ret;
-}
-
-sstr_t sstrlower_a(UcxAllocator *allocator, sstr_t string) {
- sstr_t ret = sstrdup_a(allocator, string);
- for (size_t i = 0; i < ret.length ; i++) {
- ret.ptr[i] = tolower(ret.ptr[i]);
- }
- return ret;
-}
-
-sstr_t sstrupper(sstr_t string) {
- sstr_t ret = sstrdup(string);
- for (size_t i = 0; i < ret.length ; i++) {
- ret.ptr[i] = toupper(ret.ptr[i]);
- }
- return ret;
-}
-
-sstr_t sstrupper_a(UcxAllocator *allocator, sstr_t string) {
- sstr_t ret = sstrdup_a(allocator, string);
- for (size_t i = 0; i < ret.length ; i++) {
- ret.ptr[i] = toupper(ret.ptr[i]);
- }
- return ret;
-}