mirror of
https://github.com/php/php-src.git
synced 2024-10-19 15:34:25 +00:00
351 lines
7.6 KiB
C
351 lines
7.6 KiB
C
/*
|
|
* "streamable kanji code filter and converter"
|
|
* Copyright (c) 1998-2002 HappySize, Inc. All rights reserved.
|
|
*
|
|
* LICENSE NOTICES
|
|
*
|
|
* This file is part of "streamable kanji code filter and converter",
|
|
* which is distributed under the terms of GNU Lesser General Public
|
|
* License (version 2) as published by the Free Software Foundation.
|
|
*
|
|
* This software is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with "streamable kanji code filter and converter";
|
|
* if not, write to the Free Software Foundation, Inc., 59 Temple Place,
|
|
* Suite 330, Boston, MA 02111-1307 USA
|
|
*
|
|
* The author of this file:
|
|
*
|
|
*/
|
|
/*
|
|
* The source code included in this files was separated from mbfilter.c
|
|
* by Moriyoshi Koizumi <moriyoshi@php.net> on 20 Dec 2002. The file
|
|
* mbfilter.c is included in this package .
|
|
*
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#ifdef HAVE_STDDEF_H
|
|
#include <stddef.h>
|
|
#endif
|
|
|
|
#include "mbfl_allocators.h"
|
|
#include "mbfl_string.h"
|
|
#include "mbfl_memory_device.h"
|
|
|
|
/*
|
|
* memory device output functions
|
|
*/
|
|
void
|
|
mbfl_memory_device_init(mbfl_memory_device *device, int initsz, int allocsz)
|
|
{
|
|
if (device) {
|
|
device->length = 0;
|
|
device->buffer = (unsigned char *)0;
|
|
if (initsz > 0) {
|
|
device->buffer = (unsigned char *)mbfl_malloc(initsz*sizeof(unsigned char));
|
|
if (device->buffer != NULL) {
|
|
device->length = initsz;
|
|
}
|
|
}
|
|
device->pos= 0;
|
|
if (allocsz > MBFL_MEMORY_DEVICE_ALLOC_SIZE) {
|
|
device->allocsz = allocsz;
|
|
} else {
|
|
device->allocsz = MBFL_MEMORY_DEVICE_ALLOC_SIZE;
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
mbfl_memory_device_realloc(mbfl_memory_device *device, int initsz, int allocsz)
|
|
{
|
|
unsigned char *tmp;
|
|
|
|
if (device) {
|
|
if (initsz > device->length) {
|
|
tmp = (unsigned char *)mbfl_realloc((void *)device->buffer, initsz*sizeof(unsigned char));
|
|
if (tmp != NULL) {
|
|
device->buffer = tmp;
|
|
device->length = initsz;
|
|
}
|
|
}
|
|
if (allocsz > MBFL_MEMORY_DEVICE_ALLOC_SIZE) {
|
|
device->allocsz = allocsz;
|
|
} else {
|
|
device->allocsz = MBFL_MEMORY_DEVICE_ALLOC_SIZE;
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
mbfl_memory_device_clear(mbfl_memory_device *device)
|
|
{
|
|
if (device) {
|
|
if (device->buffer) {
|
|
mbfl_free(device->buffer);
|
|
}
|
|
device->buffer = (unsigned char *)0;
|
|
device->length = 0;
|
|
device->pos = 0;
|
|
}
|
|
}
|
|
|
|
void
|
|
mbfl_memory_device_reset(mbfl_memory_device *device)
|
|
{
|
|
if (device) {
|
|
device->pos = 0;
|
|
}
|
|
}
|
|
|
|
void
|
|
mbfl_memory_device_unput(mbfl_memory_device *device)
|
|
{
|
|
if (device->pos > 0) {
|
|
device->pos--;
|
|
}
|
|
}
|
|
|
|
mbfl_string *
|
|
mbfl_memory_device_result(mbfl_memory_device *device, mbfl_string *result)
|
|
{
|
|
if (device && result) {
|
|
result->len = device->pos;
|
|
mbfl_memory_device_output4('\0', device);
|
|
result->val = device->buffer;
|
|
device->buffer = (unsigned char *)0;
|
|
device->length = 0;
|
|
device->pos= 0;
|
|
if (result->val == NULL) {
|
|
result->len = 0;
|
|
result = NULL;
|
|
}
|
|
} else {
|
|
result = NULL;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
int
|
|
mbfl_memory_device_output(int c, void *data)
|
|
{
|
|
mbfl_memory_device *device = (mbfl_memory_device *)data;
|
|
|
|
if (device->pos >= device->length) {
|
|
/* reallocate buffer */
|
|
int newlen;
|
|
unsigned char *tmp;
|
|
|
|
newlen = device->length + device->allocsz;
|
|
tmp = (unsigned char *)mbfl_realloc((void *)device->buffer, newlen*sizeof(unsigned char));
|
|
if (tmp == NULL) {
|
|
return -1;
|
|
}
|
|
device->length = newlen;
|
|
device->buffer = tmp;
|
|
}
|
|
|
|
device->buffer[device->pos++] = (unsigned char)c;
|
|
return c;
|
|
}
|
|
|
|
int
|
|
mbfl_memory_device_output2(int c, void *data)
|
|
{
|
|
mbfl_memory_device *device = (mbfl_memory_device *)data;
|
|
|
|
if ((device->pos + 2) >= device->length) {
|
|
/* reallocate buffer */
|
|
int newlen;
|
|
unsigned char *tmp;
|
|
|
|
newlen = device->length + device->allocsz;
|
|
tmp = (unsigned char *)mbfl_realloc((void *)device->buffer, newlen*sizeof(unsigned char));
|
|
if (tmp == NULL) {
|
|
return -1;
|
|
}
|
|
device->length = newlen;
|
|
device->buffer = tmp;
|
|
}
|
|
|
|
device->buffer[device->pos++] = (unsigned char)((c >> 8) & 0xff);
|
|
device->buffer[device->pos++] = (unsigned char)(c & 0xff);
|
|
|
|
return c;
|
|
}
|
|
|
|
int
|
|
mbfl_memory_device_output4(int c, void* data)
|
|
{
|
|
mbfl_memory_device *device = (mbfl_memory_device *)data;
|
|
|
|
if ((device->pos + 4) >= device->length) {
|
|
/* reallocate buffer */
|
|
int newlen;
|
|
unsigned char *tmp;
|
|
|
|
newlen = device->length + device->allocsz;
|
|
tmp = (unsigned char *)mbfl_realloc((void *)device->buffer, newlen*sizeof(unsigned char));
|
|
if (tmp == NULL) {
|
|
return -1;
|
|
}
|
|
device->length = newlen;
|
|
device->buffer = tmp;
|
|
}
|
|
|
|
device->buffer[device->pos++] = (unsigned char)((c >> 24) & 0xff);
|
|
device->buffer[device->pos++] = (unsigned char)((c >> 16) & 0xff);
|
|
device->buffer[device->pos++] = (unsigned char)((c >> 8) & 0xff);
|
|
device->buffer[device->pos++] = (unsigned char)(c & 0xff);
|
|
|
|
return c;
|
|
}
|
|
|
|
int
|
|
mbfl_memory_device_strcat(mbfl_memory_device *device, const char *psrc)
|
|
{
|
|
int len;
|
|
unsigned char *w;
|
|
const unsigned char *p;
|
|
|
|
len = 0;
|
|
p = psrc;
|
|
while (*p) {
|
|
p++;
|
|
len++;
|
|
}
|
|
|
|
if ((device->pos + len) >= device->length) {
|
|
/* reallocate buffer */
|
|
int newlen = device->length + (len + MBFL_MEMORY_DEVICE_ALLOC_SIZE)*sizeof(unsigned char);
|
|
unsigned char *tmp = (unsigned char *)mbfl_realloc((void *)device->buffer, newlen*sizeof(unsigned char));
|
|
if (tmp == NULL) {
|
|
return -1;
|
|
}
|
|
device->length = newlen;
|
|
device->buffer = tmp;
|
|
}
|
|
|
|
p = psrc;
|
|
w = &device->buffer[device->pos];
|
|
device->pos += len;
|
|
while (len > 0) {
|
|
*w++ = *p++;
|
|
len--;
|
|
}
|
|
|
|
return len;
|
|
}
|
|
|
|
int
|
|
mbfl_memory_device_strncat(mbfl_memory_device *device, const char *psrc, int len)
|
|
{
|
|
unsigned char *w;
|
|
|
|
if ((device->pos + len) >= device->length) {
|
|
/* reallocate buffer */
|
|
int newlen = device->length + len + MBFL_MEMORY_DEVICE_ALLOC_SIZE;
|
|
unsigned char *tmp = (unsigned char *)mbfl_realloc((void *)device->buffer, newlen*sizeof(unsigned char));
|
|
if (tmp == NULL) {
|
|
return -1;
|
|
}
|
|
device->length = newlen;
|
|
device->buffer = tmp;
|
|
}
|
|
|
|
w = &device->buffer[device->pos];
|
|
device->pos += len;
|
|
while (len > 0) {
|
|
*w++ = *psrc++;
|
|
len--;
|
|
}
|
|
|
|
return len;
|
|
}
|
|
|
|
int
|
|
mbfl_memory_device_devcat(mbfl_memory_device *dest, mbfl_memory_device *src)
|
|
{
|
|
int n;
|
|
unsigned char *p, *w;
|
|
|
|
if ((dest->pos + src->pos) >= dest->length) {
|
|
/* reallocate buffer */
|
|
int newlen = dest->length + src->pos + MBFL_MEMORY_DEVICE_ALLOC_SIZE;
|
|
unsigned char *tmp = (unsigned char *)mbfl_realloc((void *)dest->buffer, newlen*sizeof(unsigned char));
|
|
if (tmp == NULL) {
|
|
return -1;
|
|
}
|
|
dest->length = newlen;
|
|
dest->buffer = tmp;
|
|
}
|
|
|
|
p = src->buffer;
|
|
w = &dest->buffer[dest->pos];
|
|
n = src->pos;
|
|
dest->pos += n;
|
|
while (n > 0) {
|
|
*w++ = *p++;
|
|
n--;
|
|
}
|
|
|
|
return n;
|
|
}
|
|
|
|
void
|
|
mbfl_wchar_device_init(mbfl_wchar_device *device)
|
|
{
|
|
if (device) {
|
|
device->buffer = (unsigned int *)0;
|
|
device->length = 0;
|
|
device->pos= 0;
|
|
device->allocsz = MBFL_MEMORY_DEVICE_ALLOC_SIZE;
|
|
}
|
|
}
|
|
|
|
void
|
|
mbfl_wchar_device_clear(mbfl_wchar_device *device)
|
|
{
|
|
if (device) {
|
|
if (device->buffer) {
|
|
mbfl_free(device->buffer);
|
|
}
|
|
device->buffer = (unsigned int*)0;
|
|
device->length = 0;
|
|
device->pos = 0;
|
|
}
|
|
}
|
|
|
|
int
|
|
mbfl_wchar_device_output(int c, void *data)
|
|
{
|
|
mbfl_wchar_device *device = (mbfl_wchar_device *)data;
|
|
|
|
if (device->pos >= device->length) {
|
|
/* reallocate buffer */
|
|
int newlen;
|
|
unsigned int *tmp;
|
|
|
|
newlen = device->length + device->allocsz;
|
|
tmp = (unsigned int *)mbfl_realloc((void *)device->buffer, newlen*sizeof(int));
|
|
if (tmp == NULL) {
|
|
return -1;
|
|
}
|
|
device->length = newlen;
|
|
device->buffer = tmp;
|
|
}
|
|
|
|
device->buffer[device->pos++] = c;
|
|
|
|
return c;
|
|
}
|