#include <stdio.h>
#include <signal.h>
#include <string.h>
+#include "mono/utils/mono-membar.h"
#include <mono/metadata/string-icalls.h>
#include <mono/metadata/class-internals.h>
#include <mono/metadata/appdomain.h>
MonoArray *
ves_icall_System_String_InternalSplit (MonoString *me, MonoArray *separator, gint32 count, gint32 options)
{
+ static MonoClass *String_array;
MonoString * tmpstr;
MonoArray * retarr;
gunichar2 *src;
gint32 flag;
gunichar2 *tmpstrptr;
- gunichar2 cmpchar;
-
- MONO_ARCH_SAVE_REGS;
-
remempty = options & STRINGSPLITOPTIONS_REMOVE_EMPTY_ENTRIES;
- src = mono_string_chars(me);
- srcsize = mono_string_length(me);
- arrsize = mono_array_length(separator);
+ src = mono_string_chars (me);
+ srcsize = mono_string_length (me);
+ arrsize = mono_array_length (separator);
+
+ if (!String_array) {
+ MonoClass *klass = mono_array_class_get (mono_get_string_class (), 1);
+ mono_memory_barrier ();
+ String_array = klass;
+ }
splitsize = 1;
/* Count the number of elements we will return. Note that this operation
* have enough data to fill each. This allows us to skip some checks later on.
*/
if (remempty == 0) {
- for (i = 0; i != srcsize && splitsize < count; i++)
- if (string_icall_is_in_array(separator, arrsize, src[i]))
+ for (i = 0; i != srcsize && splitsize < count; i++) {
+ if (string_icall_is_in_array (separator, arrsize, src [i]))
splitsize++;
- }
- else {
+ }
+ } else if (count > 1) {
/* Require pattern "Nondelim + Delim + Nondelim" to increment counter.
* Lastpos != 0 means first nondelim found.
* Flag = 0 means last char was delim.
lastpos = 0;
flag = 0;
for (i = 0; i != srcsize && splitsize < count; i++) {
- if (string_icall_is_in_array(separator, arrsize, src[i]))
+ if (string_icall_is_in_array (separator, arrsize, src [i])) {
flag = 0;
- else if (flag == 0) {
+ } else if (flag == 0) {
if (lastpos == 1)
splitsize++;
flag = 1;
}
/* Nothing but separators */
- if (lastpos == 0)
- {
- retarr = mono_array_new(mono_domain_get(), mono_get_string_class(), 0);
+ if (lastpos == 0) {
+ retarr = mono_array_new_specific (mono_class_vtable (mono_domain_get (), String_array), 0);
return retarr;
}
}
/* if no split chars found return the string */
if (splitsize == 1) {
- if (remempty == 0 || count == 1)
- {
+ if (remempty == 0 || count == 1) {
/* Copy the whole string */
- retarr = mono_array_new(mono_domain_get(), mono_get_string_class(), 1);
- mono_array_setref(retarr, 0, me);
- }
- else
- {
+ retarr = mono_array_new_specific (mono_class_vtable (mono_domain_get (), String_array), 1);
+ mono_array_setref (retarr, 0, me);
+ } else {
/* otherwise we have to filter out leading & trailing delims */
/* find first non-delim char */
- for ( ; srcsize != 0; srcsize--, src++)
- if (!string_icall_is_in_array(separator, arrsize, src[0]))
+ for (; srcsize != 0; srcsize--, src++) {
+ if (!string_icall_is_in_array (separator, arrsize, src [0]))
break;
-
+ }
/* find last non-delim char */
- for ( ; srcsize != 0; srcsize--)
- if (!string_icall_is_in_array(separator, arrsize, src[srcsize - 1]))
+ for (; srcsize != 0; srcsize--) {
+ if (!string_icall_is_in_array (separator, arrsize, src [srcsize - 1]))
break;
-
- tmpstr = mono_string_new_size(mono_domain_get(), srcsize);
- tmpstrptr = mono_string_chars(tmpstr);
+ }
+ tmpstr = mono_string_new_size (mono_domain_get (), srcsize);
+ tmpstrptr = mono_string_chars (tmpstr);
- memcpy(tmpstrptr, src, srcsize * sizeof(gunichar2));
- retarr = mono_array_new(mono_domain_get(), mono_get_string_class(), 1);
- mono_array_setref(retarr, 0, tmpstr);
+ memcpy (tmpstrptr, src, srcsize * sizeof (gunichar2));
+ retarr = mono_array_new_specific (mono_class_vtable (mono_domain_get (), String_array), 1);
+ mono_array_setref (retarr, 0, tmpstr);
}
return retarr;
}
lastpos = 0;
arrpos = 0;
- retarr = mono_array_new(mono_domain_get(), mono_get_string_class (), splitsize);
+ retarr = mono_array_new_specific (mono_class_vtable (mono_domain_get (), String_array), splitsize);
for (i = 0; i != srcsize && arrpos != splitsize; i++) {
- if (string_icall_is_in_array(separator, arrsize, src[i])) {
+ if (string_icall_is_in_array (separator, arrsize, src [i])) {
- if (lastpos != i || remempty == 0)
- {
+ if (lastpos != i || remempty == 0) {
tmpstrsize = i - lastpos;
+ tmpstr = mono_string_new_size (mono_domain_get (), tmpstrsize);
+ tmpstrptr = mono_string_chars (tmpstr);
- tmpstr = mono_string_new_size(mono_domain_get (), tmpstrsize);
- tmpstrptr = mono_string_chars(tmpstr);
-
- memcpy(tmpstrptr, src + lastpos, tmpstrsize * sizeof(gunichar2));
- mono_array_setref(retarr, arrpos, tmpstr);
+ memcpy (tmpstrptr, src + lastpos, tmpstrsize * sizeof (gunichar2));
+ mono_array_setref (retarr, arrpos, tmpstr);
arrpos++;
- if (arrpos == splitsize - 1)
- {
+ if (arrpos == splitsize - 1) {
/* Shortcut the last array element */
lastpos = i + 1;
- if (remempty != 0)
- {
- /* Search for non-delim starting char (guaranteed to find one) */
- for ( ; ; lastpos++)
- if (!string_icall_is_in_array(separator, arrsize, src[lastpos]))
+ if (remempty != 0) {
+ /* Search for non-delim starting char (guaranteed to find one) Note that loop
+ * condition is only there for safety. It will never actually terminate the loop. */
+ for (; lastpos != srcsize ; lastpos++) {
+ if (!string_icall_is_in_array (separator, arrsize, src [lastpos]))
break;
- if (count > splitsize)
- {
- /* Since we have fewer results than our limit, we must remove
- * trailing delimiters as well. */
- for ( ; srcsize != lastpos + 1 ; srcsize--)
- if (!string_icall_is_in_array(separator, arrsize, src[srcsize - 1]))
+ }
+ if (count > splitsize) {
+ /* Since we have fewer results than our limit, we must remove
+ * trailing delimiters as well.
+ */
+ for (; srcsize != lastpos + 1 ; srcsize--) {
+ if (!string_icall_is_in_array (separator, arrsize, src [srcsize - 1]))
break;
+ }
}
}
tmpstrsize = srcsize - lastpos;
- tmpstr = mono_string_new_size(mono_domain_get(), tmpstrsize);
- tmpstrptr = mono_string_chars(tmpstr);
+ tmpstr = mono_string_new_size (mono_domain_get (), tmpstrsize);
+ tmpstrptr = mono_string_chars (tmpstr);
- memcpy(tmpstrptr, src + lastpos, tmpstrsize * sizeof(gunichar2));
- mono_array_setref(retarr, arrpos, tmpstr);
+ memcpy (tmpstrptr, src + lastpos, tmpstrsize * sizeof (gunichar2));
+ mono_array_setref (retarr, arrpos, tmpstr);
- /* Loop will ALWAYS end here. Test criteria in the FOR loop is unnecessary. */
+ /* Loop will ALWAYS end here. Test criteria in the FOR loop is technically unnecessary. */
break;
}
}