mirror of
https://github.com/wolfpld/tracy.git
synced 2024-11-30 09:14:36 +00:00
143 lines
2.7 KiB
C
Executable File
143 lines
2.7 KiB
C
Executable File
/*
|
|
Native File Dialog
|
|
|
|
http://www.frogtoss.com/labs
|
|
*/
|
|
|
|
#include <stdlib.h>
|
|
#include <assert.h>
|
|
#include <string.h>
|
|
#include "nfd_common.h"
|
|
|
|
static char g_errorstr[NFD_MAX_STRLEN] = {0};
|
|
|
|
/* public routines */
|
|
|
|
const char *NFD_GetError( void )
|
|
{
|
|
return g_errorstr;
|
|
}
|
|
|
|
size_t NFD_PathSet_GetCount( const nfdpathset_t *pathset )
|
|
{
|
|
assert(pathset);
|
|
return pathset->count;
|
|
}
|
|
|
|
nfdchar_t *NFD_PathSet_GetPath( const nfdpathset_t *pathset, size_t num )
|
|
{
|
|
assert(pathset);
|
|
assert(num < pathset->count);
|
|
|
|
return pathset->buf + pathset->indices[num];
|
|
}
|
|
|
|
void NFD_PathSet_Free( nfdpathset_t *pathset )
|
|
{
|
|
assert(pathset);
|
|
NFDi_Free( pathset->indices );
|
|
NFDi_Free( pathset->buf );
|
|
}
|
|
|
|
/* internal routines */
|
|
|
|
void *NFDi_Malloc( size_t bytes )
|
|
{
|
|
void *ptr = malloc(bytes);
|
|
if ( !ptr )
|
|
NFDi_SetError("NFDi_Malloc failed.");
|
|
|
|
return ptr;
|
|
}
|
|
|
|
void NFDi_Free( void *ptr )
|
|
{
|
|
assert(ptr);
|
|
free(ptr);
|
|
}
|
|
|
|
void NFDi_SetError( const char *msg )
|
|
{
|
|
int bTruncate = NFDi_SafeStrncpy( g_errorstr, msg, NFD_MAX_STRLEN );
|
|
assert( !bTruncate ); _NFD_UNUSED(bTruncate);
|
|
}
|
|
|
|
|
|
int NFDi_SafeStrncpy( char *dst, const char *src, size_t maxCopy )
|
|
{
|
|
size_t n = maxCopy;
|
|
char *d = dst;
|
|
|
|
assert( src );
|
|
assert( dst );
|
|
|
|
while ( n > 0 && *src != '\0' )
|
|
{
|
|
*d++ = *src++;
|
|
--n;
|
|
}
|
|
|
|
/* Truncation case -
|
|
terminate string and return true */
|
|
if ( n == 0 )
|
|
{
|
|
dst[maxCopy-1] = '\0';
|
|
return 1;
|
|
}
|
|
|
|
/* No truncation. Append a single NULL and return. */
|
|
*d = '\0';
|
|
return 0;
|
|
}
|
|
|
|
|
|
/* adapted from microutf8 */
|
|
size_t NFDi_UTF8_Strlen( const nfdchar_t *str )
|
|
{
|
|
/* This function doesn't properly check validity of UTF-8 character
|
|
sequence, it is supposed to use only with valid UTF-8 strings. */
|
|
|
|
size_t character_count = 0;
|
|
size_t i = 0; /* Counter used to iterate over string. */
|
|
nfdchar_t maybe_bom[4];
|
|
|
|
/* If there is UTF-8 BOM ignore it. */
|
|
if (strlen(str) > 2)
|
|
{
|
|
strncpy(maybe_bom, str, 3);
|
|
maybe_bom[3] = 0;
|
|
if (strcmp(maybe_bom, (nfdchar_t*)NFD_UTF8_BOM) == 0)
|
|
i += 3;
|
|
}
|
|
|
|
while(str[i])
|
|
{
|
|
if (str[i] >> 7 == 0)
|
|
{
|
|
/* If bit pattern begins with 0 we have ascii character. */
|
|
++character_count;
|
|
}
|
|
else if (str[i] >> 6 == 3)
|
|
{
|
|
/* If bit pattern begins with 11 it is beginning of UTF-8 byte sequence. */
|
|
++character_count;
|
|
}
|
|
else if (str[i] >> 6 == 2)
|
|
; /* If bit pattern begins with 10 it is middle of utf-8 byte sequence. */
|
|
else
|
|
{
|
|
/* In any other case this is not valid UTF-8. */
|
|
return -1;
|
|
}
|
|
++i;
|
|
}
|
|
|
|
return character_count;
|
|
}
|
|
|
|
int NFDi_IsFilterSegmentChar( char ch )
|
|
{
|
|
return (ch==','||ch==';'||ch=='\0');
|
|
}
|
|
|