mirror of
https://gitlab.com/sortix/sortix.git
synced 2023-02-13 20:55:38 -05:00
Reformat libmaxsi format.cpp.
This commit is contained in:
Jonas 'Sortie' Termansen
parent
63b1c50cd2
commit
6f08593801
1 changed files with 295 additions and 300 deletions
|
|
@ -1,6 +1,6 @@
|
|||
/******************************************************************************
|
||||
/*******************************************************************************
|
||||
|
||||
COPYRIGHT(C) JONAS 'SORTIE' TERMANSEN 2011.
|
||||
Copyright(C) Jonas 'Sortie' Termansen 2011.
|
||||
|
||||
This file is part of LibMaxsi.
|
||||
|
||||
|
|
@ -11,8 +11,8 @@
|
|||
|
||||
LibMaxsi 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.
|
||||
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 LibMaxsi. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
|
@ -20,313 +20,308 @@
|
|||
format.cpp
|
||||
Provides printf formatting functions that uses callbacks.
|
||||
|
||||
******************************************************************************/
|
||||
*******************************************************************************/
|
||||
|
||||
#include <stdint.h>
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
|
||||
namespace Maxsi
|
||||
namespace String {
|
||||
|
||||
static int ConvertInt32(int32_t num, char* dest)
|
||||
{
|
||||
namespace String
|
||||
int result = 0;
|
||||
int32_t copy = num;
|
||||
|
||||
if ( num < 0 )
|
||||
{
|
||||
int ConvertInt32(int32_t num, char* dest)
|
||||
*dest++ = '-';
|
||||
result++;
|
||||
|
||||
int offset = 0;
|
||||
while ( copy < -9 ) { copy /= 10; offset++; }
|
||||
result += offset;
|
||||
while ( offset >= 0 )
|
||||
{
|
||||
int result = 0;
|
||||
int32_t copy = num;
|
||||
|
||||
if ( num < 0 )
|
||||
{
|
||||
*dest++ = '-';
|
||||
result++;
|
||||
|
||||
int offset = 0;
|
||||
while ( copy < -9 ) { copy /= 10; offset++; }
|
||||
result += offset;
|
||||
while ( offset >= 0 )
|
||||
{
|
||||
dest[offset] = '0' - num % 10; num /= 10; offset--;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
int offset = 0;
|
||||
while ( copy > 9 ) { copy /= 10; offset++; }
|
||||
result += offset;
|
||||
while ( offset >= 0 )
|
||||
{
|
||||
dest[offset] = '0' + num % 10; num /= 10; offset--;
|
||||
}
|
||||
}
|
||||
|
||||
return result + 1;
|
||||
dest[offset] = '0' - num % 10; num /= 10; offset--;
|
||||
}
|
||||
|
||||
int ConvertInt64(int64_t num, char* dest)
|
||||
}
|
||||
else
|
||||
{
|
||||
int offset = 0;
|
||||
while ( copy > 9 ) { copy /= 10; offset++; }
|
||||
result += offset;
|
||||
while ( offset >= 0 )
|
||||
{
|
||||
int result = 0;
|
||||
int64_t copy = num;
|
||||
|
||||
if ( num < 0 )
|
||||
{
|
||||
*dest++ = '-';
|
||||
result++;
|
||||
|
||||
int offset = 0;
|
||||
while ( copy < -9 ) { copy /= 10; offset++; }
|
||||
result += offset;
|
||||
while ( offset >= 0 )
|
||||
{
|
||||
dest[offset] = '0' - num % 10; num /= 10; offset--;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
int offset = 0;
|
||||
while ( copy > 9 ) { copy /= 10; offset++; }
|
||||
result += offset;
|
||||
while ( offset >= 0 )
|
||||
{
|
||||
dest[offset] = '0' + num % 10; num /= 10; offset--;
|
||||
}
|
||||
}
|
||||
|
||||
return result + 1;
|
||||
}
|
||||
|
||||
int ConvertUInt32(uint32_t num, char* dest)
|
||||
{
|
||||
int result = 0;
|
||||
uint32_t copy = num;
|
||||
int offset = 0;
|
||||
while ( copy > 9 ) { copy /= 10; offset++; }
|
||||
result += offset;
|
||||
while ( offset >= 0 )
|
||||
{
|
||||
dest[offset] = '0' + num % 10; num /= 10; offset--;
|
||||
}
|
||||
|
||||
return result + 1;
|
||||
}
|
||||
|
||||
int ConvertUInt64(uint64_t num, char* dest)
|
||||
{
|
||||
int result = 0;
|
||||
uint64_t copy = num;
|
||||
int offset = 0;
|
||||
while ( copy > 9 ) { copy /= 10; offset++; }
|
||||
result += offset;
|
||||
while ( offset >= 0 )
|
||||
{
|
||||
dest[offset] = '0' + num % 10; num /= 10; offset--;
|
||||
}
|
||||
|
||||
return result + 1;
|
||||
}
|
||||
|
||||
int ConvertUInt32Hex(uint32_t num, char* dest)
|
||||
{
|
||||
char chars[16] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
|
||||
'A', 'B', 'C', 'D', 'E', 'F' };
|
||||
int result = 0;
|
||||
uint32_t copy = num;
|
||||
int offset = 0;
|
||||
while ( copy > 15 ) { copy /= 16; offset++; }
|
||||
result += offset;
|
||||
while ( offset >= 0 )
|
||||
{
|
||||
dest[offset] = chars[num % 16]; num /= 16; offset--;
|
||||
}
|
||||
|
||||
return result + 1;
|
||||
}
|
||||
|
||||
int ConvertUInt64Hex(uint64_t num, char* dest)
|
||||
{
|
||||
char chars[16] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
|
||||
'A', 'B', 'C', 'D', 'E', 'F' };
|
||||
int result = 0;
|
||||
uint64_t copy = num;
|
||||
int offset = 0;
|
||||
while ( copy > 15 ) { copy /= 16; offset++; }
|
||||
result += offset;
|
||||
while ( offset >= 0 )
|
||||
{
|
||||
dest[offset] = chars[num % 16]; num /= 16; offset--;
|
||||
}
|
||||
|
||||
return result + 1;
|
||||
dest[offset] = '0' + num % 10; num /= 10; offset--;
|
||||
}
|
||||
}
|
||||
|
||||
namespace Format
|
||||
{
|
||||
#define READY_SIZE 128
|
||||
|
||||
#define READY_FLUSH() \
|
||||
ready[readylen] = '\0'; \
|
||||
if ( 0 < readylen && callback && callback(user, ready, readylen) != readylen ) { return SIZE_MAX; } \
|
||||
written += readylen; readylen = 0;
|
||||
|
||||
extern "C" size_t vprintf_callback(size_t (*callback)(void*, const char*, size_t),
|
||||
void* user,
|
||||
const char* restrict format,
|
||||
va_list parameters)
|
||||
{
|
||||
size_t written = 0;
|
||||
size_t readylen = 0;
|
||||
char ready[READY_SIZE + 1];
|
||||
|
||||
while ( *format != '\0' )
|
||||
{
|
||||
char c = *(format++);
|
||||
|
||||
if ( c != '%' )
|
||||
{
|
||||
if ( READY_SIZE <= readylen ) { READY_FLUSH(); }
|
||||
ready[readylen++] = c;
|
||||
continue;
|
||||
}
|
||||
|
||||
if ( *format == '%' ) { continue; }
|
||||
|
||||
const unsigned UNSIGNED = 0;
|
||||
const unsigned INTEGER = (1<<0);
|
||||
const unsigned BIT64 = (1<<1);
|
||||
const unsigned HEX = (1<<2);
|
||||
const unsigned STRING = 8;
|
||||
const unsigned CHARACTER = 9;
|
||||
#if defined(__x86_64__)
|
||||
const unsigned WORDWIDTH = BIT64;
|
||||
#else
|
||||
const unsigned WORDWIDTH = 0;
|
||||
#endif
|
||||
|
||||
// TODO: Support signed datatypes!
|
||||
|
||||
unsigned type = 0;
|
||||
|
||||
bool scanning = true;
|
||||
while ( scanning )
|
||||
{
|
||||
switch( *(format++) )
|
||||
{
|
||||
case '3':
|
||||
case '2':
|
||||
break;
|
||||
case '6':
|
||||
case '4':
|
||||
type |= BIT64;
|
||||
break;
|
||||
case 'p':
|
||||
type = WORDWIDTH | HEX;
|
||||
scanning = false;
|
||||
break;
|
||||
case 't':
|
||||
type |= INTEGER;
|
||||
case 'z':
|
||||
case 'l':
|
||||
if ( type & WORDWIDTH ) { type |= BIT64; }
|
||||
type |= WORDWIDTH;
|
||||
break;
|
||||
case 'j':
|
||||
type |= BIT64;
|
||||
break;
|
||||
case 'u':
|
||||
type |= UNSIGNED;
|
||||
scanning = false;
|
||||
break;
|
||||
case 'd':
|
||||
case 'i':
|
||||
type |= INTEGER;
|
||||
scanning = false;
|
||||
break;
|
||||
case 'x':
|
||||
case 'X':
|
||||
type |= HEX;
|
||||
scanning = false;
|
||||
break;
|
||||
case 's':
|
||||
type = STRING;
|
||||
scanning = false;
|
||||
break;
|
||||
case 'c':
|
||||
type = CHARACTER;
|
||||
scanning = false;
|
||||
break;
|
||||
default:
|
||||
return SIZE_MAX;
|
||||
}
|
||||
}
|
||||
|
||||
switch ( type )
|
||||
{
|
||||
case INTEGER:
|
||||
{
|
||||
if ( READY_SIZE - readylen < 10 ) { READY_FLUSH(); }
|
||||
int32_t num = va_arg(parameters, int32_t);
|
||||
readylen += String::ConvertInt32(num, ready + readylen);
|
||||
break;
|
||||
}
|
||||
case UNSIGNED:
|
||||
{
|
||||
if ( READY_SIZE - readylen < 10 ) { READY_FLUSH(); }
|
||||
uint32_t num = va_arg(parameters, uint32_t);
|
||||
readylen += String::ConvertUInt32(num, ready + readylen);
|
||||
break;
|
||||
}
|
||||
case INTEGER | BIT64:
|
||||
{
|
||||
if ( READY_SIZE - readylen < 10 ) { READY_FLUSH(); }
|
||||
int64_t num = va_arg(parameters, int64_t);
|
||||
readylen += String::ConvertInt64(num, ready + readylen);
|
||||
break;
|
||||
}
|
||||
case UNSIGNED | BIT64:
|
||||
{
|
||||
if ( READY_SIZE - readylen < 20 ) { READY_FLUSH(); }
|
||||
uint64_t num = va_arg(parameters, uint64_t);
|
||||
readylen += String::ConvertUInt64(num, ready + readylen);
|
||||
break;
|
||||
}
|
||||
case INTEGER | HEX:
|
||||
case UNSIGNED | HEX:
|
||||
{
|
||||
if ( READY_SIZE - readylen < 8 ) { READY_FLUSH(); }
|
||||
uint32_t num = va_arg(parameters, uint32_t);
|
||||
readylen += String::ConvertUInt32Hex(num, ready + readylen);
|
||||
break;
|
||||
}
|
||||
case INTEGER | BIT64 | HEX:
|
||||
case UNSIGNED | BIT64 | HEX:
|
||||
{
|
||||
if ( READY_SIZE - readylen < 16 ) { READY_FLUSH(); }
|
||||
uint64_t num = va_arg(parameters, uint64_t);
|
||||
readylen += String::ConvertUInt64Hex(num, ready + readylen);
|
||||
break;
|
||||
}
|
||||
case STRING:
|
||||
{
|
||||
READY_FLUSH();
|
||||
const char* str = va_arg(parameters, const char*);
|
||||
size_t len = strlen(str);
|
||||
if ( callback && callback(user, str, len) != len ) { return SIZE_MAX; }
|
||||
written += len;
|
||||
break;
|
||||
}
|
||||
case CHARACTER:
|
||||
{
|
||||
int c = va_arg(parameters, int);
|
||||
if ( READY_SIZE <= readylen ) { READY_FLUSH(); }
|
||||
ready[readylen++] = c;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
READY_FLUSH();
|
||||
|
||||
return written;
|
||||
}
|
||||
}
|
||||
return result + 1;
|
||||
}
|
||||
|
||||
static int ConvertInt64(int64_t num, char* dest)
|
||||
{
|
||||
int result = 0;
|
||||
int64_t copy = num;
|
||||
|
||||
if ( num < 0 )
|
||||
{
|
||||
*dest++ = '-';
|
||||
result++;
|
||||
|
||||
int offset = 0;
|
||||
while ( copy < -9 ) { copy /= 10; offset++; }
|
||||
result += offset;
|
||||
while ( offset >= 0 )
|
||||
{
|
||||
dest[offset] = '0' - num % 10; num /= 10; offset--;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
int offset = 0;
|
||||
while ( copy > 9 ) { copy /= 10; offset++; }
|
||||
result += offset;
|
||||
while ( offset >= 0 )
|
||||
{
|
||||
dest[offset] = '0' + num % 10; num /= 10; offset--;
|
||||
}
|
||||
}
|
||||
|
||||
return result + 1;
|
||||
}
|
||||
|
||||
static int ConvertUInt32(uint32_t num, char* dest)
|
||||
{
|
||||
int result = 0;
|
||||
uint32_t copy = num;
|
||||
int offset = 0;
|
||||
while ( copy > 9 ) { copy /= 10; offset++; }
|
||||
result += offset;
|
||||
while ( offset >= 0 )
|
||||
{
|
||||
dest[offset] = '0' + num % 10; num /= 10; offset--;
|
||||
}
|
||||
|
||||
return result + 1;
|
||||
}
|
||||
|
||||
static int ConvertUInt64(uint64_t num, char* dest)
|
||||
{
|
||||
int result = 0;
|
||||
uint64_t copy = num;
|
||||
int offset = 0;
|
||||
while ( copy > 9 ) { copy /= 10; offset++; }
|
||||
result += offset;
|
||||
while ( offset >= 0 )
|
||||
{
|
||||
dest[offset] = '0' + num % 10; num /= 10; offset--;
|
||||
}
|
||||
|
||||
return result + 1;
|
||||
}
|
||||
|
||||
static int ConvertUInt32Hex(uint32_t num, char* dest)
|
||||
{
|
||||
char chars[16] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
|
||||
'A', 'B', 'C', 'D', 'E', 'F' };
|
||||
int result = 0;
|
||||
uint32_t copy = num;
|
||||
int offset = 0;
|
||||
while ( copy > 15 ) { copy /= 16; offset++; }
|
||||
result += offset;
|
||||
while ( offset >= 0 )
|
||||
{
|
||||
dest[offset] = chars[num % 16]; num /= 16; offset--;
|
||||
}
|
||||
|
||||
return result + 1;
|
||||
}
|
||||
|
||||
static int ConvertUInt64Hex(uint64_t num, char* dest)
|
||||
{
|
||||
char chars[16] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
|
||||
'A', 'B', 'C', 'D', 'E', 'F' };
|
||||
int result = 0;
|
||||
uint64_t copy = num;
|
||||
int offset = 0;
|
||||
while ( copy > 15 ) { copy /= 16; offset++; }
|
||||
result += offset;
|
||||
while ( offset >= 0 )
|
||||
{
|
||||
dest[offset] = chars[num % 16]; num /= 16; offset--;
|
||||
}
|
||||
|
||||
return result + 1;
|
||||
}
|
||||
|
||||
} // namespace String
|
||||
|
||||
#define READY_SIZE 128
|
||||
|
||||
#define READY_FLUSH() \
|
||||
ready[readylen] = '\0'; \
|
||||
if ( 0 < readylen && callback && callback(user, ready, readylen) != readylen ) { return SIZE_MAX; } \
|
||||
written += readylen; readylen = 0;
|
||||
|
||||
extern "C" size_t vprintf_callback(size_t (*callback)(void*, const char*, size_t),
|
||||
void* user,
|
||||
const char* restrict format,
|
||||
va_list parameters)
|
||||
{
|
||||
size_t written = 0;
|
||||
size_t readylen = 0;
|
||||
char ready[READY_SIZE + 1];
|
||||
|
||||
while ( *format != '\0' )
|
||||
{
|
||||
char c = *(format++);
|
||||
|
||||
if ( c != '%' )
|
||||
{
|
||||
if ( READY_SIZE <= readylen ) { READY_FLUSH(); }
|
||||
ready[readylen++] = c;
|
||||
continue;
|
||||
}
|
||||
|
||||
if ( *format == '%' ) { continue; }
|
||||
|
||||
const unsigned UNSIGNED = 0;
|
||||
const unsigned INTEGER = (1<<0);
|
||||
const unsigned BIT64 = (1<<1);
|
||||
const unsigned HEX = (1<<2);
|
||||
const unsigned STRING = 8;
|
||||
const unsigned CHARACTER = 9;
|
||||
#if defined(__x86_64__)
|
||||
const unsigned WORDWIDTH = BIT64;
|
||||
#else
|
||||
const unsigned WORDWIDTH = 0;
|
||||
#endif
|
||||
|
||||
// TODO: Support signed datatypes!
|
||||
|
||||
unsigned type = 0;
|
||||
|
||||
bool scanning = true;
|
||||
while ( scanning )
|
||||
{
|
||||
switch( *(format++) )
|
||||
{
|
||||
case '3':
|
||||
case '2':
|
||||
break;
|
||||
case '6':
|
||||
case '4':
|
||||
type |= BIT64;
|
||||
break;
|
||||
case 'p':
|
||||
type = WORDWIDTH | HEX;
|
||||
scanning = false;
|
||||
break;
|
||||
case 't':
|
||||
type |= INTEGER;
|
||||
case 'z':
|
||||
case 'l':
|
||||
if ( type & WORDWIDTH ) { type |= BIT64; }
|
||||
type |= WORDWIDTH;
|
||||
break;
|
||||
case 'j':
|
||||
type |= BIT64;
|
||||
break;
|
||||
case 'u':
|
||||
type |= UNSIGNED;
|
||||
scanning = false;
|
||||
break;
|
||||
case 'd':
|
||||
case 'i':
|
||||
type |= INTEGER;
|
||||
scanning = false;
|
||||
break;
|
||||
case 'x':
|
||||
case 'X':
|
||||
type |= HEX;
|
||||
scanning = false;
|
||||
break;
|
||||
case 's':
|
||||
type = STRING;
|
||||
scanning = false;
|
||||
break;
|
||||
case 'c':
|
||||
type = CHARACTER;
|
||||
scanning = false;
|
||||
break;
|
||||
default:
|
||||
return SIZE_MAX;
|
||||
}
|
||||
}
|
||||
|
||||
switch ( type )
|
||||
{
|
||||
case INTEGER:
|
||||
{
|
||||
if ( READY_SIZE - readylen < 10 ) { READY_FLUSH(); }
|
||||
int32_t num = va_arg(parameters, int32_t);
|
||||
readylen += String::ConvertInt32(num, ready + readylen);
|
||||
break;
|
||||
}
|
||||
case UNSIGNED:
|
||||
{
|
||||
if ( READY_SIZE - readylen < 10 ) { READY_FLUSH(); }
|
||||
uint32_t num = va_arg(parameters, uint32_t);
|
||||
readylen += String::ConvertUInt32(num, ready + readylen);
|
||||
break;
|
||||
}
|
||||
case INTEGER | BIT64:
|
||||
{
|
||||
if ( READY_SIZE - readylen < 10 ) { READY_FLUSH(); }
|
||||
int64_t num = va_arg(parameters, int64_t);
|
||||
readylen += String::ConvertInt64(num, ready + readylen);
|
||||
break;
|
||||
}
|
||||
case UNSIGNED | BIT64:
|
||||
{
|
||||
if ( READY_SIZE - readylen < 20 ) { READY_FLUSH(); }
|
||||
uint64_t num = va_arg(parameters, uint64_t);
|
||||
readylen += String::ConvertUInt64(num, ready + readylen);
|
||||
break;
|
||||
}
|
||||
case INTEGER | HEX:
|
||||
case UNSIGNED | HEX:
|
||||
{
|
||||
if ( READY_SIZE - readylen < 8 ) { READY_FLUSH(); }
|
||||
uint32_t num = va_arg(parameters, uint32_t);
|
||||
readylen += String::ConvertUInt32Hex(num, ready + readylen);
|
||||
break;
|
||||
}
|
||||
case INTEGER | BIT64 | HEX:
|
||||
case UNSIGNED | BIT64 | HEX:
|
||||
{
|
||||
if ( READY_SIZE - readylen < 16 ) { READY_FLUSH(); }
|
||||
uint64_t num = va_arg(parameters, uint64_t);
|
||||
readylen += String::ConvertUInt64Hex(num, ready + readylen);
|
||||
break;
|
||||
}
|
||||
case STRING:
|
||||
{
|
||||
READY_FLUSH();
|
||||
const char* str = va_arg(parameters, const char*);
|
||||
size_t len = strlen(str);
|
||||
if ( callback && callback(user, str, len) != len ) { return SIZE_MAX; }
|
||||
written += len;
|
||||
break;
|
||||
}
|
||||
case CHARACTER:
|
||||
{
|
||||
int c = va_arg(parameters, int);
|
||||
if ( READY_SIZE <= readylen ) { READY_FLUSH(); }
|
||||
ready[readylen++] = c;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
READY_FLUSH();
|
||||
|
||||
return written;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue