155 lines
4.2 KiB
C
155 lines
4.2 KiB
C
/**
|
|
* Copyright (C) 2008 Happy Fish / YuQing
|
|
*
|
|
* FastDFS may be copied only under the terms of the GNU General
|
|
* Public License V3, which may be found in the FastDFS source kit.
|
|
* Please visit the FastDFS Home Page http://www.csource.org/ for more detail.
|
|
**/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <ctype.h>
|
|
#include <unistd.h>
|
|
#include <errno.h>
|
|
#include "logger.h"
|
|
#include "shared_func.h"
|
|
#include "char_convert_loader.h"
|
|
|
|
int char_convert_loader_init(FastCharConverter *pCharConverter,
|
|
const IniItem *items, const int count)
|
|
{
|
|
char_converter_init(pCharConverter, NULL, 0);
|
|
return char_convert_loader_add(pCharConverter, items, count);
|
|
}
|
|
|
|
int char_convert_loader_add(FastCharConverter *pCharConverter,
|
|
const IniItem *items, const int count)
|
|
{
|
|
const IniItem *pItem;
|
|
const IniItem *pEnd;
|
|
int result;
|
|
|
|
pEnd = items + count;
|
|
for (pItem=items; pItem<pEnd; pItem++) {
|
|
result = char_convert_loader_set_pair(pCharConverter,
|
|
pItem->name, pItem->value);
|
|
if (result != 0) {
|
|
return result;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int char_convert_loader_parse(const char *s, unsigned char *out_char)
|
|
{
|
|
int len;
|
|
len = strlen(s);
|
|
if (len == 1) {
|
|
*out_char = *s;
|
|
return 0;
|
|
}
|
|
|
|
if (*s != '\\') {
|
|
logError("file: "__FILE__", line: %d, "
|
|
"invalid char string: %s", __LINE__, s);
|
|
return EINVAL;
|
|
}
|
|
|
|
if (len == 2) {
|
|
switch (s[1]) {
|
|
case '0':
|
|
*out_char = '\0';
|
|
break;
|
|
case 'a':
|
|
*out_char = '\a';
|
|
break;
|
|
case 'b':
|
|
*out_char = '\b';
|
|
break;
|
|
case 't':
|
|
*out_char = '\t';
|
|
break;
|
|
case 'n':
|
|
*out_char = '\n';
|
|
break;
|
|
case 'v':
|
|
*out_char = '\v';
|
|
break;
|
|
case 'f':
|
|
*out_char = '\f';
|
|
break;
|
|
case 'r':
|
|
*out_char = '\r';
|
|
break;
|
|
case 's':
|
|
*out_char = ' ';
|
|
break;
|
|
case '\\':
|
|
*out_char = '\\';
|
|
break;
|
|
default:
|
|
logError("file: "__FILE__", line: %d, "
|
|
"invalid char string: %s", __LINE__, s);
|
|
return EINVAL;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
if (len != 4 || s[1] != 'x' || !isxdigit(s[2]) || !isxdigit(s[3])) {
|
|
logError("file: "__FILE__", line: %d, "
|
|
"invalid char string: %s, correct format: \\x##, "
|
|
"## for hex digital. eg. \\x20 for the SPACE char",
|
|
__LINE__, s);
|
|
return EINVAL;
|
|
}
|
|
|
|
*out_char = (unsigned char)strtol(s+2, NULL, 16);
|
|
return 0;
|
|
}
|
|
|
|
int char_convert_loader_set_pair(FastCharConverter *pCharConverter,
|
|
const char *src, const char *dest)
|
|
{
|
|
unsigned char src_char;
|
|
unsigned char dest_char;
|
|
int result;
|
|
|
|
if (src == NULL || *src == '\0') {
|
|
logError("file: "__FILE__", line: %d, "
|
|
"empty src string", __LINE__);
|
|
return EINVAL;
|
|
}
|
|
if (dest == NULL || *dest == '\0') {
|
|
logError("file: "__FILE__", line: %d, "
|
|
"empty dest string, src string: %s",
|
|
__LINE__, src);
|
|
return EINVAL;
|
|
}
|
|
|
|
if ((result=char_convert_loader_parse(src, &src_char)) != 0) {
|
|
return result;
|
|
}
|
|
|
|
if (*dest == '"') {
|
|
if (strlen(dest) != 4 || dest[1] != '\\' || dest[3] != '"') {
|
|
logError("file: "__FILE__", line: %d, "
|
|
"invalid dest string: %s, correct format: \"\\c\", "
|
|
"eg. \"\\t\"", __LINE__, src);
|
|
return EINVAL;
|
|
}
|
|
dest_char = dest[2];
|
|
char_converter_set_pair_ex(pCharConverter,
|
|
src_char, FAST_CHAR_OP_ADD_BACKSLASH, dest_char);
|
|
return 0;
|
|
}
|
|
|
|
if ((result=char_convert_loader_parse(dest, &dest_char)) != 0) {
|
|
return result;
|
|
}
|
|
char_converter_set_pair_ex(pCharConverter,
|
|
src_char, FAST_CHAR_OP_NO_BACKSLASH, dest_char);
|
|
return 0;
|
|
}
|
|
|