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/**
* this is a small sample script to use libmbfl.
* Rui Hirokawa <hirokawa@php.net>
*
* this file is encoded in EUC-JP.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include "mbfl/mbfilter.h"
static void hexdump(const mbfl_string *ptr)
{
unsigned int i;
for (i = 0; i < ptr->len; i++) {
printf("%%%02x", ptr->val[i]);
}
printf(" (%u)\n", ptr->len);
}
int main(int argc, char **argv)
{
enum mbfl_no_encoding no_encoding;
enum mbfl_no_language no_language;
mbfl_memory_device dev;
mbfl_string string;
int offset, length;
int final = 0;
int state = 0;
if (argc < 5) {
fprintf(stderr, "Usage: %s lang encoding offset length\n", argv[0]);
return EXIT_FAILURE;
}
if ((no_language = mbfl_name2no_language(argv[1])) ==
mbfl_no_language_invalid) {
printf("Unsupported NLS: %s\n", argv[1]);
return EXIT_FAILURE;
}
if ((no_encoding = mbfl_name2no_encoding(argv[2])) ==
mbfl_no_encoding_invalid) {
printf("Unsupported encoding: %s\n", argv[2]);
return EXIT_FAILURE;
}
errno = 0;
offset = strtol(argv[3], NULL, 10);
if (errno) {
printf("Invalid offset: %s\n", argv[3]);
return EXIT_FAILURE;
}
length = strtol(argv[4], NULL, 10);
if (errno) {
printf("Invalid length: %s\n", argv[4]);
return EXIT_FAILURE;
}
do {
mbfl_string result;
mbfl_memory_device_init(&dev, 0, 4096);
mbfl_string_init_set(&string, no_language, no_encoding);
for (;;) {
const int c = fgetc(stdin);
if (c == EOF) {
final = 1;
break;
} else if (c == 10) {
if (state == 1) {
state = 0;
continue;
}
break;
} else if (c == 13) {
state = 1;
break;
}
if (dev.pos >= dev.length) {
if (dev.length + dev.allocsz < dev.length) {
printf("Unable to allocate memory\n");
return EXIT_FAILURE;
}
mbfl_memory_device_realloc(&dev, dev.length + dev.allocsz,
dev.allocsz);
}
dev.buffer[dev.pos++] = (unsigned char)c;
}
mbfl_memory_device_result(&dev, &string);
if (mbfl_strcut(&string, &result, offset, length)) {
hexdump(&result);
mbfl_string_clear(&result);
} else {
printf("***ERROR***\n");
}
mbfl_string_clear(&string);
} while (!final);
return EXIT_SUCCESS;
}
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