ansilove

commit f43c863610b5fde251571316519b7baab0e6ad54
parent 705ecc0f6539b834eff3d7e817f8b0d54101ee14
Author: ByteProject <stefan.vogt@byteproject.net>
Date:   Sun,  8 Jan 2012 01:46:43 +0100

improved implementation of PHP's explode() function

Diffstat:
A
ansilove/explode.c
 | 
48
++++++++++++++++++++++++++++++++++++++++++++++++
A
ansilove/explode.h
 | 
31
+++++++++++++++++++++++++++++++

2 files changed, 79 insertions(+), 0 deletions(-)
diff --git a/ansilove/explode.c b/ansilove/explode.c
@@ -0,0 +1,47 @@
+//
+//  explode.m
+//  AnsiLove/C
+//
+//  Copyright (c) 2011, Stefan Vogt. All rights reserved.
+//  http://byteproject.net
+//
+//  Use of this source code is governed by a MIT-style license.
+//  See the file LICENSE for details.
+//
+
+#if defined(__APPLE__) && defined(__MACH__)
+#import "explode.h"
+#else
+#include "explode.h"
+#endif
+
+int64_t explode(char ***arr_ptr, char delimiter, char *str)
+{
+    char *src = str, *end, *dst;
+    char **arr;
+    int64_t size = 1, i;
+    
+    while ((end = strchr(src, delimiter)) != NULL)
+    {
+        ++size;
+        src = end + 1;
+    }
+    
+    arr = malloc(size * sizeof(char *) + (strlen(str) + 1) * sizeof(char));
+    
+    src = str;
+    dst = (char *) arr + size * sizeof(char *);
+    for (i = 0; i < size; ++i)
+    {
+        if ((end = strchr(src, delimiter)) == NULL)
+            end = src + strlen(src);
+        arr[i] = dst;
+        strncpy(dst, src, end - src);
+        dst[end - src] = '\0';
+        dst += end - src + 1;
+        src = end + 1;
+    }
+    *arr_ptr = arr;
+    
+    return size;
+}
+\ No newline at end of file
diff --git a/ansilove/explode.h b/ansilove/explode.h
@@ -0,0 +1,31 @@
+//
+//  explode.h
+//  AnsiLove/C
+//
+//  Copyright (c) 2011, Stefan Vogt. All rights reserved.
+//  http://byteproject.net
+//
+//  Use of this source code is governed by a MIT-style license.
+//  See the file LICENSE for details.
+//
+
+#if defined(__APPLE__) && defined(__MACH__)
+#import <Foundation/Foundation.h>
+#else
+#include <stdio.h> 
+#include <stdlib.h>
+#include <string.h>
+#endif
+
+#ifndef explode_h
+#define explode_h
+
+// Converts a delimited string into a string array. Other than PHP's
+// explode() function it will return an integer of strings found. I
+// consider this as much better approach as you can access the strings
+// via array pointer and you don't have to determine how many string
+// instances were stored overall as this is what you're getting.
+
+int64_t explode(char ***arr_ptr, char delimiter, char *str);
+
+#endif