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update code style.

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This commit is contained in:
FriendLey 2023-04-09 17:24:54 +08:00
parent 47fd6b6650
commit fe21f301f0
1 changed files with 24 additions and 26 deletions
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50
src/Functions/soundex.cpp
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@ -6,43 +6,40 @@
namespace DB
{
namespace ErrorCodes
{
extern const int ILLEGAL_TYPE_OF_ARGUMENT;
}
namespace
{
struct SoundexImpl
{
static constexpr auto name = "soundex";
static constexpr size_t length = 4;
// enum { length = 4 };
/* ABCDEFGHIJKLMNOPQRSTUVWXYZ */
/* :::::::::::::::::::::::::: */
/* ABCDEFGHIJKLMNOPQRSTUVWXYZ */
/* :::::::::::::::::::::::::: */
static constexpr auto soundex_map = "01230120022455012623010202";
static char get_scode(const char **ptr, const char *in_end) {
while (*ptr < in_end && !std::isalpha(**ptr)) {
static char get_scode(const char ** ptr, const char * in_end)
{
while (*ptr < in_end && !std::isalpha(**ptr))
{
(*ptr)++;
}
if (*ptr == in_end) return 0;
if (*ptr == in_end)
return 0;
return soundex_map[std::toupper(**ptr) - 'A'];
}
static void apply(const char* begin, const size_t size, unsigned char * out_char_data)
static void apply(const char * begin, const size_t size, unsigned char * out_char_data)
{
const char* in_cur = begin;
const char* in_end = begin + size;
const char * in_cur = begin;
const char * in_end = begin + size;
unsigned char * out_end = out_char_data + length;
while (in_cur < in_end && !std::isalpha(*in_cur)) {
while (in_cur < in_end && !std::isalpha(*in_cur))
{
in_cur++;
}
if (in_cur < in_end) {
*out_char_data++ = std::toupper(*in_cur);
if (in_cur < in_end)
{
*out_char_data++ = std::toupper(*in_cur);
}
char last_ch = get_scode(&in_cur, in_end);
@ -50,24 +47,25 @@ struct SoundexImpl
in_cur++;
while (in_cur < in_end && out_char_data < out_end && (ch = get_scode(&in_cur, in_end)) != 0)
{
if (in_cur == in_end) break;
if (in_cur == in_end)
{
break;
}
in_cur++;
if ((ch != '0') && (ch != last_ch))
{
*out_char_data++ = ch;
*out_char_data++ = ch;
}
last_ch = ch;
}
while (out_char_data < out_end) {
*out_char_data++ = '0';
while (out_char_data < out_end)
{
*out_char_data++ = '0';
}
return;
}
};
}
REGISTER_FUNCTION(Soundex)
{
factory.registerFunction<FunctionStringHashFixedString<SoundexImpl>>();