mirror of
https://github.com/dhewm/dhewm3.git
synced 2024-12-01 16:52:29 +00:00
7023475c9d
idStr::(V)Format() is a static (v)printf-like function that returns and idStr. Can be used like a better va(), or for idStr mystr = idStr::Format( "number of items: %d", myarr.Num() );
1882 lines
35 KiB
C++
1882 lines
35 KiB
C++
/*
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===========================================================================
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Doom 3 GPL Source Code
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Copyright (C) 1999-2011 id Software LLC, a ZeniMax Media company.
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This file is part of the Doom 3 GPL Source Code ("Doom 3 Source Code").
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Doom 3 Source Code is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Doom 3 Source Code is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Doom 3 Source Code. If not, see <http://www.gnu.org/licenses/>.
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In addition, the Doom 3 Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 Source Code. If not, please request a copy in writing from id Software at the address below.
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If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
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===========================================================================
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*/
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#include "sys/platform.h"
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#include "idlib/math/Vector.h"
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#include "idlib/Heap.h"
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#include "framework/Common.h"
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#include <limits.h>
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#include "idlib/Str.h"
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// DG: idDynamicBlockAlloc isn't thread-safe and idStr is used both in the main thread
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// and the async thread! For some reason this seems to cause lots of problems on
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// newer Linux distros if dhewm3 is built with GCC9 or newer (see #391).
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// No idea why it apparently didn't cause that (noticeable) issues before..
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#if 0 // !defined( ID_REDIRECT_NEWDELETE ) && !defined( MACOS_X )
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#define USE_STRING_DATA_ALLOCATOR
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#endif
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#ifdef USE_STRING_DATA_ALLOCATOR
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static idDynamicBlockAlloc<char, 1<<18, 128> stringDataAllocator;
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#endif
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idVec4 g_color_table[16] =
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{
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idVec4(0.0f, 0.0f, 0.0f, 1.0f),
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idVec4(1.0f, 0.0f, 0.0f, 1.0f), // S_COLOR_RED
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idVec4(0.0f, 1.0f, 0.0f, 1.0f), // S_COLOR_GREEN
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idVec4(1.0f, 1.0f, 0.0f, 1.0f), // S_COLOR_YELLOW
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idVec4(0.0f, 0.0f, 1.0f, 1.0f), // S_COLOR_BLUE
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idVec4(0.0f, 1.0f, 1.0f, 1.0f), // S_COLOR_CYAN
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idVec4(1.0f, 0.0f, 1.0f, 1.0f), // S_COLOR_MAGENTA
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idVec4(1.0f, 1.0f, 1.0f, 1.0f), // S_COLOR_WHITE
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idVec4(0.5f, 0.5f, 0.5f, 1.0f), // S_COLOR_GRAY
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idVec4(0.0f, 0.0f, 0.0f, 1.0f), // S_COLOR_BLACK
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idVec4(0.0f, 0.0f, 0.0f, 1.0f),
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idVec4(0.0f, 0.0f, 0.0f, 1.0f),
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idVec4(0.0f, 0.0f, 0.0f, 1.0f),
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idVec4(0.0f, 0.0f, 0.0f, 1.0f),
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idVec4(0.0f, 0.0f, 0.0f, 1.0f),
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idVec4(0.0f, 0.0f, 0.0f, 1.0f),
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};
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const char *units[2][4] =
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{
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{ "B", "KB", "MB", "GB" },
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{ "B/s", "KB/s", "MB/s", "GB/s" }
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};
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/*
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============
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idStr::ColorForIndex
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============
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*/
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idVec4 & idStr::ColorForIndex( int i ) {
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return g_color_table[ i & 15 ];
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}
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/*
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============
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idStr::ReAllocate
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============
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*/
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void idStr::ReAllocate( int amount, bool keepold ) {
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char *newbuffer;
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int newsize;
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int mod;
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//assert( data );
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assert( amount > 0 );
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mod = amount % STR_ALLOC_GRAN;
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if ( !mod ) {
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newsize = amount;
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}
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else {
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newsize = amount + STR_ALLOC_GRAN - mod;
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}
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alloced = newsize;
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#ifdef USE_STRING_DATA_ALLOCATOR
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newbuffer = stringDataAllocator.Alloc( alloced );
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if ( keepold && data ) {
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data[ len ] = '\0';
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strcpy( newbuffer, data );
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}
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if ( data && data != baseBuffer ) {
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stringDataAllocator.Free( data );
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}
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data = newbuffer;
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#else
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if ( data && data != baseBuffer ) {
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data = (char *)realloc( data, newsize );
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} else {
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newbuffer = (char *)malloc( newsize );
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if ( data && keepold ) {
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memcpy( newbuffer, data, len );
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newbuffer[ len ] = '\0';
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} else {
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newbuffer[ 0 ] = '\0';
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}
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data = newbuffer;
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}
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#endif
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}
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/*
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============
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idStr::FreeData
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============
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*/
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void idStr::FreeData( void ) {
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if ( data && data != baseBuffer ) {
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#ifdef USE_STRING_DATA_ALLOCATOR
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stringDataAllocator.Free( data );
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#else
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free( data );
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#endif
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data = baseBuffer;
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}
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}
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/*
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============
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idStr::operator=
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============
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*/
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void idStr::operator=( const char *text ) {
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int l;
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int diff;
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int i;
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if ( !text ) {
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// safe behaviour if NULL
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EnsureAlloced( 1, false );
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data[ 0 ] = '\0';
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len = 0;
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return;
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}
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if ( text == data ) {
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return; // copying same thing
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}
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// check if we're aliasing
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if ( text >= data && text <= data + len ) {
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diff = text - data;
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assert( strlen( text ) < (unsigned)len );
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for ( i = 0; text[ i ]; i++ ) {
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data[ i ] = text[ i ];
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}
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data[ i ] = '\0';
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len -= diff;
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return;
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}
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l = strlen( text );
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EnsureAlloced( l + 1, false );
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strcpy( data, text );
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len = l;
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}
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/*
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============
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idStr::FindChar
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returns -1 if not found otherwise the index of the char
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============
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*/
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int idStr::FindChar( const char *str, const char c, int start, int end ) {
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int i;
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if ( end == -1 ) {
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end = strlen( str ) - 1;
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}
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for ( i = start; i <= end; i++ ) {
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if ( str[i] == c ) {
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return i;
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}
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}
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return -1;
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}
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/*
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============
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idStr::FindText
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returns -1 if not found otherwise the index of the text
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============
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*/
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int idStr::FindText( const char *str, const char *text, bool casesensitive, int start, int end ) {
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int l, i, j;
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if ( end == -1 ) {
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end = strlen( str );
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}
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l = end - strlen( text );
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for ( i = start; i <= l; i++ ) {
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if ( casesensitive ) {
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for ( j = 0; text[j]; j++ ) {
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if ( str[i+j] != text[j] ) {
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break;
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}
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}
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} else {
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for ( j = 0; text[j]; j++ ) {
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if ( ::toupper( str[i+j] ) != ::toupper( text[j] ) ) {
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break;
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}
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}
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}
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if ( !text[j] ) {
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return i;
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}
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}
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return -1;
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}
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/*
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============
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idStr::Filter
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Returns true if the string conforms the given filter.
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Several metacharacter may be used in the filter.
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* match any string of zero or more characters
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? match any single character
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[abc...] match any of the enclosed characters; a hyphen can
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be used to specify a range (e.g. a-z, A-Z, 0-9)
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============
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*/
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bool idStr::Filter( const char *filter, const char *name, bool casesensitive ) {
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idStr buf;
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int i, found, index;
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while(*filter) {
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if (*filter == '*') {
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filter++;
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buf.Empty();
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for (i = 0; *filter; i++) {
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if ( *filter == '*' || *filter == '?' || (*filter == '[' && *(filter+1) != '[') ) {
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break;
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}
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buf += *filter;
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if ( *filter == '[' ) {
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filter++;
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}
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filter++;
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}
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if ( buf.Length() ) {
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index = idStr(name).Find( buf.c_str(), casesensitive );
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if ( index == -1 ) {
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return false;
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}
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name += index + strlen(buf);
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}
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}
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else if (*filter == '?') {
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filter++;
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name++;
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}
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else if (*filter == '[') {
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if ( *(filter+1) == '[' ) {
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if ( *name != '[' ) {
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return false;
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}
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filter += 2;
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name++;
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}
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else {
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filter++;
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found = false;
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while(*filter && !found) {
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if (*filter == ']' && *(filter+1) != ']') {
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break;
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}
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if (*(filter+1) == '-' && *(filter+2) && (*(filter+2) != ']' || *(filter+3) == ']')) {
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if (casesensitive) {
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if (*name >= *filter && *name <= *(filter+2)) {
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found = true;
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}
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}
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else {
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if ( ::toupper(*name) >= ::toupper(*filter) && ::toupper(*name) <= ::toupper(*(filter+2)) ) {
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found = true;
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}
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}
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filter += 3;
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}
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else {
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if (casesensitive) {
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if (*filter == *name) {
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found = true;
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}
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}
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else {
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if ( ::toupper(*filter) == ::toupper(*name) ) {
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found = true;
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}
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}
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filter++;
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}
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}
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if (!found) {
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return false;
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}
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while(*filter) {
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if ( *filter == ']' && *(filter+1) != ']' ) {
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break;
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}
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filter++;
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}
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filter++;
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name++;
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}
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}
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else {
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if (casesensitive) {
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if (*filter != *name) {
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return false;
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}
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}
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else {
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if ( ::toupper(*filter) != ::toupper(*name) ) {
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return false;
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}
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}
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filter++;
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name++;
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}
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}
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return true;
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}
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/*
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=============
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idStr::StripMediaName
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makes the string lower case, replaces backslashes with forward slashes, and removes extension
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=============
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*/
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void idStr::StripMediaName( const char *name, idStr &mediaName ) {
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char c;
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mediaName.Empty();
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for ( c = *name; c; c = *(++name) ) {
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// truncate at an extension
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if ( c == '.' ) {
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break;
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}
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// convert backslashes to forward slashes
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if ( c == '\\' ) {
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mediaName.Append( '/' );
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} else {
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mediaName.Append( idStr::ToLower( c ) );
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}
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}
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}
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/*
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=============
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idStr::CheckExtension
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=============
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*/
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bool idStr::CheckExtension( const char *name, const char *ext ) {
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const char *s1 = name + Length( name ) - 1;
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const char *s2 = ext + Length( ext ) - 1;
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int c1, c2, d;
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do {
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c1 = *s1--;
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c2 = *s2--;
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d = c1 - c2;
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while( d ) {
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if ( c1 <= 'Z' && c1 >= 'A' ) {
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d += ('a' - 'A');
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if ( !d ) {
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break;
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}
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}
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if ( c2 <= 'Z' && c2 >= 'A' ) {
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d -= ('a' - 'A');
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if ( !d ) {
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break;
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}
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}
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return false;
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}
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} while( s1 > name && s2 > ext );
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return ( s1 >= name );
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}
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/*
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=============
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idStr::FloatArrayToString
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=============
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*/
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const char *idStr::FloatArrayToString( const float *array, const int length, const int precision ) {
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static int index = 0;
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static char str[4][16384]; // in case called by nested functions
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int i, n;
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char format[16], *s;
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// use an array of string so that multiple calls won't collide
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s = str[ index ];
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index = (index + 1) & 3;
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idStr::snPrintf( format, sizeof( format ), "%%.%df", precision );
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n = idStr::snPrintf( s, sizeof( str[0] ), format, array[0] );
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if ( precision > 0 ) {
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while( n > 0 && s[n-1] == '0' ) s[--n] = '\0';
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while( n > 0 && s[n-1] == '.' ) s[--n] = '\0';
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}
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idStr::snPrintf( format, sizeof( format ), " %%.%df", precision );
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for ( i = 1; i < length; i++ ) {
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n += idStr::snPrintf( s + n, sizeof( str[0] ) - n, format, array[i] );
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if ( precision > 0 ) {
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while( n > 0 && s[n-1] == '0' ) s[--n] = '\0';
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while( n > 0 && s[n-1] == '.' ) s[--n] = '\0';
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}
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}
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return s;
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}
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/*
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============
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idStr::Last
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returns -1 if not found otherwise the index of the char
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============
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*/
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int idStr::Last( const char c ) const {
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int i;
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for( i = Length(); i > 0; i-- ) {
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if ( data[ i - 1 ] == c ) {
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return i - 1;
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}
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}
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return -1;
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}
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/*
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============
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idStr::StripLeading
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============
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*/
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void idStr::StripLeading( const char c ) {
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while( data[ 0 ] == c ) {
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memmove( &data[ 0 ], &data[ 1 ], len );
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len--;
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}
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}
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/*
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============
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idStr::StripLeading
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============
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*/
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void idStr::StripLeading( const char *string ) {
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int l;
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l = strlen( string );
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if ( l > 0 ) {
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while ( !Cmpn( string, l ) ) {
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memmove( data, data + l, len - l + 1 );
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len -= l;
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}
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}
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}
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/*
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============
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idStr::StripLeadingOnce
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============
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*/
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bool idStr::StripLeadingOnce( const char *string ) {
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int l;
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l = strlen( string );
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if ( ( l > 0 ) && !Cmpn( string, l ) ) {
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memmove( data, data + l, len - l + 1 );
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len -= l;
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return true;
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}
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return false;
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}
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/*
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============
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idStr::StripTrailing
|
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============
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*/
|
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void idStr::StripTrailing( const char c ) {
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int i;
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for( i = Length(); i > 0 && data[ i - 1 ] == c; i-- ) {
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data[ i - 1 ] = '\0';
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len--;
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}
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}
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|
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/*
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============
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idStr::StripLeading
|
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============
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*/
|
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void idStr::StripTrailing( const char *string ) {
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int l;
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l = strlen( string );
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if ( l > 0 ) {
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while ( ( len >= l ) && !Cmpn( string, data + len - l, l ) ) {
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len -= l;
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data[len] = '\0';
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}
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}
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}
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|
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/*
|
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============
|
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idStr::StripTrailingOnce
|
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============
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*/
|
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bool idStr::StripTrailingOnce( const char *string ) {
|
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int l;
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l = strlen( string );
|
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if ( ( l > 0 ) && ( len >= l ) && !Cmpn( string, data + len - l, l ) ) {
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len -= l;
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data[len] = '\0';
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return true;
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}
|
|
return false;
|
|
}
|
|
|
|
/*
|
|
============
|
|
idStr::Replace
|
|
============
|
|
*/
|
|
void idStr::Replace( const char *old, const char *nw ) {
|
|
int oldLen, newLen, i, j, count;
|
|
idStr oldString( data );
|
|
|
|
oldLen = strlen( old );
|
|
newLen = strlen( nw );
|
|
|
|
// Work out how big the new string will be
|
|
count = 0;
|
|
for( i = 0; i < oldString.Length(); i++ ) {
|
|
if( !idStr::Cmpn( &oldString[i], old, oldLen ) ) {
|
|
count++;
|
|
i += oldLen - 1;
|
|
}
|
|
}
|
|
|
|
if( count ) {
|
|
EnsureAlloced( len + ( ( newLen - oldLen ) * count ) + 2, false );
|
|
|
|
// Replace the old data with the new data
|
|
for( i = 0, j = 0; i < oldString.Length(); i++ ) {
|
|
if( !idStr::Cmpn( &oldString[i], old, oldLen ) ) {
|
|
memcpy( data + j, nw, newLen );
|
|
i += oldLen - 1;
|
|
j += newLen;
|
|
} else {
|
|
data[j] = oldString[i];
|
|
j++;
|
|
}
|
|
}
|
|
data[j] = 0;
|
|
len = strlen( data );
|
|
}
|
|
}
|
|
|
|
/*
|
|
============
|
|
idStr::Mid
|
|
============
|
|
*/
|
|
const char *idStr::Mid( int start, int len, idStr &result ) const {
|
|
int i;
|
|
|
|
result.Empty();
|
|
|
|
i = Length();
|
|
if ( i == 0 || len <= 0 || start >= i ) {
|
|
return NULL;
|
|
}
|
|
|
|
if ( start + len >= i ) {
|
|
len = i - start;
|
|
}
|
|
|
|
result.Append( &data[ start ], len );
|
|
return result;
|
|
}
|
|
|
|
/*
|
|
============
|
|
idStr::Mid
|
|
============
|
|
*/
|
|
idStr idStr::Mid( int start, int len ) const {
|
|
int i;
|
|
idStr result;
|
|
|
|
i = Length();
|
|
if ( i == 0 || len <= 0 || start >= i ) {
|
|
return result;
|
|
}
|
|
|
|
if ( start + len >= i ) {
|
|
len = i - start;
|
|
}
|
|
|
|
result.Append( &data[ start ], len );
|
|
return result;
|
|
}
|
|
|
|
/*
|
|
============
|
|
idStr::StripTrailingWhitespace
|
|
============
|
|
*/
|
|
void idStr::StripTrailingWhitespace( void ) {
|
|
int i;
|
|
|
|
// cast to unsigned char to prevent stripping off high-ASCII characters
|
|
for( i = Length(); i > 0 && (unsigned char)(data[ i - 1 ]) <= ' '; i-- ) {
|
|
data[ i - 1 ] = '\0';
|
|
len--;
|
|
}
|
|
}
|
|
|
|
/*
|
|
============
|
|
idStr::StripQuotes
|
|
|
|
Removes the quotes from the beginning and end of the string
|
|
============
|
|
*/
|
|
idStr& idStr::StripQuotes ( void )
|
|
{
|
|
if ( data[0] != '\"' )
|
|
{
|
|
return *this;
|
|
}
|
|
|
|
// Remove the trailing quote first
|
|
if ( data[len-1] == '\"' )
|
|
{
|
|
data[len-1] = '\0';
|
|
len--;
|
|
}
|
|
|
|
// Strip the leading quote now
|
|
len--;
|
|
memmove( &data[ 0 ], &data[ 1 ], len );
|
|
data[len] = '\0';
|
|
|
|
return *this;
|
|
}
|
|
|
|
/*
|
|
=====================================================================
|
|
|
|
filename methods
|
|
|
|
=====================================================================
|
|
*/
|
|
|
|
/*
|
|
============
|
|
idStr::FileNameHash
|
|
============
|
|
*/
|
|
int idStr::FileNameHash( void ) const {
|
|
int i;
|
|
int hash;
|
|
char letter;
|
|
|
|
hash = 0;
|
|
i = 0;
|
|
while( data[i] != '\0' ) {
|
|
letter = idStr::ToLower( data[i] );
|
|
if ( letter == '.' ) {
|
|
break; // don't include extension
|
|
}
|
|
if ( letter =='\\' ) {
|
|
letter = '/';
|
|
}
|
|
hash += (int)(letter)*(i+119);
|
|
i++;
|
|
}
|
|
hash &= (FILE_HASH_SIZE-1);
|
|
return hash;
|
|
}
|
|
|
|
/*
|
|
============
|
|
idStr::BackSlashesToSlashes
|
|
============
|
|
*/
|
|
idStr &idStr::BackSlashesToSlashes( void ) {
|
|
int i;
|
|
|
|
for ( i = 0; i < len; i++ ) {
|
|
if ( data[ i ] == '\\' ) {
|
|
data[ i ] = '/';
|
|
}
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
/*
|
|
============
|
|
idStr::SetFileExtension
|
|
============
|
|
*/
|
|
idStr &idStr::SetFileExtension( const char *extension ) {
|
|
StripFileExtension();
|
|
if ( *extension != '.' ) {
|
|
Append( '.' );
|
|
}
|
|
Append( extension );
|
|
return *this;
|
|
}
|
|
|
|
// DG: helper-function that returns true if the character c is a directory separator
|
|
// on the current platform
|
|
static ID_INLINE bool isDirSeparator( int c )
|
|
{
|
|
if ( c == '/' ) {
|
|
return true;
|
|
}
|
|
#ifdef _WIN32
|
|
if ( c == '\\' ) {
|
|
return true;
|
|
}
|
|
#elif defined(__AROS__)
|
|
if ( c == ':' ) {
|
|
return true;
|
|
}
|
|
#endif
|
|
return false;
|
|
}
|
|
// DG end
|
|
|
|
/*
|
|
============
|
|
idStr::StripFileExtension
|
|
============
|
|
*/
|
|
idStr &idStr::StripFileExtension( void ) {
|
|
int i;
|
|
|
|
for ( i = len-1; i >= 0; i-- ) {
|
|
// DG: we're at a directory separator, nothing to strip at filename
|
|
if ( isDirSeparator( data[i] ) ) {
|
|
break;
|
|
} // DG end
|
|
if ( data[i] == '.' ) {
|
|
data[i] = '\0';
|
|
len = i;
|
|
break;
|
|
}
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
/*
|
|
============
|
|
idStr::StripAbsoluteFileExtension
|
|
============
|
|
*/
|
|
idStr &idStr::StripAbsoluteFileExtension( void ) {
|
|
int i;
|
|
// FIXME DG: seems like this is unused, but it probably doesn't do what's expected
|
|
// (if you wanna strip .tar.gz this will fail with dots in path,
|
|
// if you indeed wanna strip the first dot in *path* (even in some directory) this is right)
|
|
for ( i = 0; i < len; i++ ) {
|
|
if ( data[i] == '.' ) {
|
|
data[i] = '\0';
|
|
len = i;
|
|
break;
|
|
}
|
|
}
|
|
|
|
return *this;
|
|
}
|
|
|
|
/*
|
|
==================
|
|
idStr::DefaultFileExtension
|
|
==================
|
|
*/
|
|
idStr &idStr::DefaultFileExtension( const char *extension ) {
|
|
int i;
|
|
|
|
// do nothing if the string already has an extension
|
|
for ( i = len-1; i >= 0; i-- ) {
|
|
// DG: we're at a directory separator, there was no file extension
|
|
if ( isDirSeparator( data[i] ) ) {
|
|
break;
|
|
} // DG end
|
|
if ( data[i] == '.' ) {
|
|
return *this;
|
|
}
|
|
}
|
|
if ( *extension != '.' ) {
|
|
Append( '.' );
|
|
}
|
|
Append( extension );
|
|
return *this;
|
|
}
|
|
|
|
/*
|
|
==================
|
|
idStr::DefaultPath
|
|
==================
|
|
*/
|
|
idStr &idStr::DefaultPath( const char *basepath ) {
|
|
if ( isDirSeparator( ( *this )[ 0 ] ) ) {
|
|
// absolute path location
|
|
return *this;
|
|
}
|
|
|
|
*this = basepath + *this;
|
|
return *this;
|
|
}
|
|
|
|
/*
|
|
====================
|
|
idStr::AppendPath
|
|
====================
|
|
*/
|
|
void idStr::AppendPath( const char *text ) {
|
|
int pos;
|
|
int i = 0;
|
|
|
|
if ( text && text[i] ) {
|
|
pos = len;
|
|
EnsureAlloced( len + strlen( text ) + 2 );
|
|
|
|
if ( pos ) {
|
|
if ( !isDirSeparator( data[ pos-1 ] ) ) {
|
|
data[ pos++ ] = '/';
|
|
}
|
|
}
|
|
|
|
if ( isDirSeparator( text[ i ] ) ) {
|
|
i++;
|
|
}
|
|
|
|
for ( ; text[ i ]; i++ ) {
|
|
if ( text[ i ] == '\\' ) {
|
|
data[ pos++ ] = '/';
|
|
} else {
|
|
data[ pos++ ] = text[ i ];
|
|
}
|
|
}
|
|
len = pos;
|
|
data[ pos ] = '\0';
|
|
}
|
|
}
|
|
|
|
/*
|
|
==================
|
|
idStr::StripFilename
|
|
==================
|
|
*/
|
|
idStr &idStr::StripFilename( void ) {
|
|
int pos;
|
|
|
|
pos = Length() - 1;
|
|
while( ( pos > 0 ) && !isDirSeparator( ( *this )[ pos ] ) ) {
|
|
pos--;
|
|
}
|
|
|
|
if ( pos < 0 ) {
|
|
pos = 0;
|
|
}
|
|
|
|
CapLength( pos );
|
|
return *this;
|
|
}
|
|
|
|
/*
|
|
==================
|
|
idStr::StripPath
|
|
==================
|
|
*/
|
|
idStr &idStr::StripPath( void ) {
|
|
int pos;
|
|
|
|
pos = Length();
|
|
while( ( pos > 0 ) && !isDirSeparator( ( *this )[ pos - 1 ] ) ) {
|
|
pos--;
|
|
}
|
|
|
|
*this = Right( Length() - pos );
|
|
return *this;
|
|
}
|
|
|
|
/*
|
|
====================
|
|
idStr::ExtractFilePath
|
|
====================
|
|
*/
|
|
void idStr::ExtractFilePath( idStr &dest ) const {
|
|
int pos;
|
|
|
|
//
|
|
// back up until a \ or the start
|
|
//
|
|
pos = Length();
|
|
while( ( pos > 0 ) && !isDirSeparator( ( *this )[ pos - 1 ] ) ) {
|
|
pos--;
|
|
}
|
|
|
|
Left( pos, dest );
|
|
}
|
|
|
|
/*
|
|
====================
|
|
idStr::ExtractFileName
|
|
====================
|
|
*/
|
|
void idStr::ExtractFileName( idStr &dest ) const {
|
|
int pos;
|
|
|
|
//
|
|
// back up until a \ or the start
|
|
//
|
|
pos = Length() - 1;
|
|
while( ( pos > 0 ) && !isDirSeparator( ( *this )[ pos - 1 ] ) ) {
|
|
pos--;
|
|
}
|
|
|
|
Right( Length() - pos, dest );
|
|
}
|
|
|
|
/*
|
|
====================
|
|
idStr::ExtractFileBase
|
|
====================
|
|
*/
|
|
void idStr::ExtractFileBase( idStr &dest ) const {
|
|
int pos;
|
|
int start;
|
|
|
|
//
|
|
// back up until a \ or the start
|
|
//
|
|
pos = Length() - 1;
|
|
while( ( pos > 0 ) && !isDirSeparator( ( *this )[ pos - 1 ] ) ) {
|
|
pos--;
|
|
}
|
|
|
|
start = pos;
|
|
while( ( pos < Length() ) && ( ( *this )[ pos ] != '.' ) ) {
|
|
pos++;
|
|
}
|
|
|
|
Mid( start, pos - start, dest );
|
|
}
|
|
|
|
/*
|
|
====================
|
|
idStr::ExtractFileExtension
|
|
====================
|
|
*/
|
|
void idStr::ExtractFileExtension( idStr &dest ) const {
|
|
int pos;
|
|
|
|
//
|
|
// back up until a . or the start
|
|
//
|
|
pos = Length() - 1;
|
|
while( ( pos > 0 ) && ( ( *this )[ pos - 1 ] != '.' ) ) {
|
|
pos--;
|
|
if( isDirSeparator( ( *this )[ pos ] ) ) { // DG: check for directory separator
|
|
// no extension in the whole filename
|
|
dest.Empty();
|
|
} // DG end
|
|
}
|
|
|
|
if ( !pos ) {
|
|
// no extension
|
|
dest.Empty();
|
|
} else {
|
|
Right( Length() - pos, dest );
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
=====================================================================
|
|
|
|
char * methods to replace library functions
|
|
|
|
=====================================================================
|
|
*/
|
|
|
|
/*
|
|
============
|
|
idStr::IsNumeric
|
|
|
|
Checks a string to see if it contains only numerical values.
|
|
============
|
|
*/
|
|
bool idStr::IsNumeric( const char *s ) {
|
|
int i;
|
|
bool dot;
|
|
|
|
if ( *s == '-' ) {
|
|
s++;
|
|
}
|
|
|
|
dot = false;
|
|
for ( i = 0; s[i]; i++ ) {
|
|
if ( !isdigit( s[i] ) ) {
|
|
if ( ( s[ i ] == '.' ) && !dot ) {
|
|
dot = true;
|
|
continue;
|
|
}
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/*
|
|
============
|
|
idStr::HasLower
|
|
|
|
Checks if a string has any lowercase chars
|
|
============
|
|
*/
|
|
bool idStr::HasLower( const char *s ) {
|
|
if ( !s ) {
|
|
return false;
|
|
}
|
|
|
|
while ( *s ) {
|
|
if ( CharIsLower( *s ) ) {
|
|
return true;
|
|
}
|
|
s++;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/*
|
|
============
|
|
idStr::HasUpper
|
|
|
|
Checks if a string has any uppercase chars
|
|
============
|
|
*/
|
|
bool idStr::HasUpper( const char *s ) {
|
|
if ( !s ) {
|
|
return false;
|
|
}
|
|
|
|
while ( *s ) {
|
|
if ( CharIsUpper( *s ) ) {
|
|
return true;
|
|
}
|
|
s++;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/*
|
|
================
|
|
idStr::Cmp
|
|
================
|
|
*/
|
|
int idStr::Cmp( const char *s1, const char *s2 ) {
|
|
int c1, c2, d;
|
|
|
|
do {
|
|
c1 = *s1++;
|
|
c2 = *s2++;
|
|
|
|
d = c1 - c2;
|
|
if ( d ) {
|
|
return ( INTSIGNBITNOTSET( d ) << 1 ) - 1;
|
|
}
|
|
} while( c1 );
|
|
|
|
return 0; // strings are equal
|
|
}
|
|
|
|
/*
|
|
================
|
|
idStr::Cmpn
|
|
================
|
|
*/
|
|
int idStr::Cmpn( const char *s1, const char *s2, int n ) {
|
|
int c1, c2, d;
|
|
|
|
assert( n >= 0 );
|
|
|
|
do {
|
|
c1 = *s1++;
|
|
c2 = *s2++;
|
|
|
|
if ( !n-- ) {
|
|
return 0; // strings are equal until end point
|
|
}
|
|
|
|
d = c1 - c2;
|
|
if ( d ) {
|
|
return ( INTSIGNBITNOTSET( d ) << 1 ) - 1;
|
|
}
|
|
} while( c1 );
|
|
|
|
return 0; // strings are equal
|
|
}
|
|
|
|
/*
|
|
================
|
|
idStr::Icmp
|
|
================
|
|
*/
|
|
int idStr::Icmp( const char *s1, const char *s2 ) {
|
|
int c1, c2, d;
|
|
|
|
do {
|
|
c1 = *s1++;
|
|
c2 = *s2++;
|
|
|
|
d = c1 - c2;
|
|
while( d ) {
|
|
if ( c1 <= 'Z' && c1 >= 'A' ) {
|
|
d += ('a' - 'A');
|
|
if ( !d ) {
|
|
break;
|
|
}
|
|
}
|
|
if ( c2 <= 'Z' && c2 >= 'A' ) {
|
|
d -= ('a' - 'A');
|
|
if ( !d ) {
|
|
break;
|
|
}
|
|
}
|
|
return ( INTSIGNBITNOTSET( d ) << 1 ) - 1;
|
|
}
|
|
} while( c1 );
|
|
|
|
return 0; // strings are equal
|
|
}
|
|
|
|
/*
|
|
================
|
|
idStr::Icmpn
|
|
================
|
|
*/
|
|
int idStr::Icmpn( const char *s1, const char *s2, int n ) {
|
|
int c1, c2, d;
|
|
|
|
assert( n >= 0 );
|
|
|
|
do {
|
|
c1 = *s1++;
|
|
c2 = *s2++;
|
|
|
|
if ( !n-- ) {
|
|
return 0; // strings are equal until end point
|
|
}
|
|
|
|
d = c1 - c2;
|
|
while( d ) {
|
|
if ( c1 <= 'Z' && c1 >= 'A' ) {
|
|
d += ('a' - 'A');
|
|
if ( !d ) {
|
|
break;
|
|
}
|
|
}
|
|
if ( c2 <= 'Z' && c2 >= 'A' ) {
|
|
d -= ('a' - 'A');
|
|
if ( !d ) {
|
|
break;
|
|
}
|
|
}
|
|
return ( INTSIGNBITNOTSET( d ) << 1 ) - 1;
|
|
}
|
|
} while( c1 );
|
|
|
|
return 0; // strings are equal
|
|
}
|
|
|
|
/*
|
|
================
|
|
idStr::Icmp
|
|
================
|
|
*/
|
|
int idStr::IcmpNoColor( const char *s1, const char *s2 ) {
|
|
int c1, c2, d;
|
|
|
|
do {
|
|
while ( idStr::IsColor( s1 ) ) {
|
|
s1 += 2;
|
|
}
|
|
while ( idStr::IsColor( s2 ) ) {
|
|
s2 += 2;
|
|
}
|
|
c1 = *s1++;
|
|
c2 = *s2++;
|
|
|
|
d = c1 - c2;
|
|
while( d ) {
|
|
if ( c1 <= 'Z' && c1 >= 'A' ) {
|
|
d += ('a' - 'A');
|
|
if ( !d ) {
|
|
break;
|
|
}
|
|
}
|
|
if ( c2 <= 'Z' && c2 >= 'A' ) {
|
|
d -= ('a' - 'A');
|
|
if ( !d ) {
|
|
break;
|
|
}
|
|
}
|
|
return ( INTSIGNBITNOTSET( d ) << 1 ) - 1;
|
|
}
|
|
} while( c1 );
|
|
|
|
return 0; // strings are equal
|
|
}
|
|
|
|
/*
|
|
================
|
|
idStr::IcmpPath
|
|
================
|
|
*/
|
|
int idStr::IcmpPath( const char *s1, const char *s2 ) {
|
|
int c1, c2, d;
|
|
|
|
#if 0
|
|
//#if !defined( _WIN32 )
|
|
idLib::common->Printf( "WARNING: IcmpPath used on a case-sensitive filesystem?\n" );
|
|
#endif
|
|
|
|
do {
|
|
c1 = *s1++;
|
|
c2 = *s2++;
|
|
|
|
d = c1 - c2;
|
|
while( d ) {
|
|
if ( c1 <= 'Z' && c1 >= 'A' ) {
|
|
d += ('a' - 'A');
|
|
if ( !d ) {
|
|
break;
|
|
}
|
|
}
|
|
if ( c1 == '\\' ) {
|
|
d += ('/' - '\\');
|
|
if ( !d ) {
|
|
break;
|
|
}
|
|
}
|
|
if ( c2 <= 'Z' && c2 >= 'A' ) {
|
|
d -= ('a' - 'A');
|
|
if ( !d ) {
|
|
break;
|
|
}
|
|
}
|
|
if ( c2 == '\\' ) {
|
|
d -= ('/' - '\\');
|
|
if ( !d ) {
|
|
break;
|
|
}
|
|
}
|
|
// make sure folders come first
|
|
while( c1 ) {
|
|
if ( c1 == '/' || c1 == '\\' ) {
|
|
break;
|
|
}
|
|
c1 = *s1++;
|
|
}
|
|
while( c2 ) {
|
|
if ( c2 == '/' || c2 == '\\' ) {
|
|
break;
|
|
}
|
|
c2 = *s2++;
|
|
}
|
|
if ( c1 && !c2 ) {
|
|
return -1;
|
|
} else if ( !c1 && c2 ) {
|
|
return 1;
|
|
}
|
|
// same folder depth so use the regular compare
|
|
return ( INTSIGNBITNOTSET( d ) << 1 ) - 1;
|
|
}
|
|
} while( c1 );
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
================
|
|
idStr::IcmpnPath
|
|
================
|
|
*/
|
|
int idStr::IcmpnPath( const char *s1, const char *s2, int n ) {
|
|
int c1, c2, d;
|
|
|
|
#if 0
|
|
//#if !defined( _WIN32 )
|
|
idLib::common->Printf( "WARNING: IcmpPath used on a case-sensitive filesystem?\n" );
|
|
#endif
|
|
|
|
assert( n >= 0 );
|
|
|
|
do {
|
|
c1 = *s1++;
|
|
c2 = *s2++;
|
|
|
|
if ( !n-- ) {
|
|
return 0; // strings are equal until end point
|
|
}
|
|
|
|
d = c1 - c2;
|
|
while( d ) {
|
|
if ( c1 <= 'Z' && c1 >= 'A' ) {
|
|
d += ('a' - 'A');
|
|
if ( !d ) {
|
|
break;
|
|
}
|
|
}
|
|
if ( c1 == '\\' ) {
|
|
d += ('/' - '\\');
|
|
if ( !d ) {
|
|
break;
|
|
}
|
|
}
|
|
if ( c2 <= 'Z' && c2 >= 'A' ) {
|
|
d -= ('a' - 'A');
|
|
if ( !d ) {
|
|
break;
|
|
}
|
|
}
|
|
if ( c2 == '\\' ) {
|
|
d -= ('/' - '\\');
|
|
if ( !d ) {
|
|
break;
|
|
}
|
|
}
|
|
// make sure folders come first
|
|
while( c1 ) {
|
|
if ( c1 == '/' || c1 == '\\' ) {
|
|
break;
|
|
}
|
|
c1 = *s1++;
|
|
}
|
|
while( c2 ) {
|
|
if ( c2 == '/' || c2 == '\\' ) {
|
|
break;
|
|
}
|
|
c2 = *s2++;
|
|
}
|
|
if ( c1 && !c2 ) {
|
|
return -1;
|
|
} else if ( !c1 && c2 ) {
|
|
return 1;
|
|
}
|
|
// same folder depth so use the regular compare
|
|
return ( INTSIGNBITNOTSET( d ) << 1 ) - 1;
|
|
}
|
|
} while( c1 );
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
=============
|
|
idStr::Copynz
|
|
|
|
Safe strncpy that ensures a trailing zero
|
|
=============
|
|
*/
|
|
void idStr::Copynz( char *dest, const char *src, int destsize ) {
|
|
if ( !src ) {
|
|
idLib::common->Warning( "idStr::Copynz: NULL src" );
|
|
return;
|
|
}
|
|
if ( destsize < 1 ) {
|
|
idLib::common->Warning( "idStr::Copynz: destsize < 1" );
|
|
return;
|
|
}
|
|
|
|
strncpy( dest, src, destsize-1 );
|
|
dest[destsize-1] = 0;
|
|
}
|
|
|
|
/*
|
|
================
|
|
idStr::Append
|
|
|
|
never goes past bounds or leaves without a terminating 0
|
|
================
|
|
*/
|
|
void idStr::Append( char *dest, int size, const char *src ) {
|
|
int l1;
|
|
|
|
l1 = strlen( dest );
|
|
if ( l1 >= size ) {
|
|
idLib::common->Error( "idStr::Append: already overflowed" );
|
|
}
|
|
idStr::Copynz( dest + l1, src, size - l1 );
|
|
}
|
|
|
|
/*
|
|
================
|
|
idStr::LengthWithoutColors
|
|
================
|
|
*/
|
|
int idStr::LengthWithoutColors( const char *s ) {
|
|
int len;
|
|
const char *p;
|
|
|
|
if ( !s ) {
|
|
return 0;
|
|
}
|
|
|
|
len = 0;
|
|
p = s;
|
|
while( *p ) {
|
|
if ( idStr::IsColor( p ) ) {
|
|
p += 2;
|
|
continue;
|
|
}
|
|
p++;
|
|
len++;
|
|
}
|
|
|
|
return len;
|
|
}
|
|
|
|
/*
|
|
================
|
|
idStr::RemoveColors
|
|
================
|
|
*/
|
|
char *idStr::RemoveColors( char *string ) {
|
|
char *d;
|
|
char *s;
|
|
int c;
|
|
|
|
s = string;
|
|
d = string;
|
|
while( (c = *s) != 0 ) {
|
|
if ( idStr::IsColor( s ) ) {
|
|
s++;
|
|
}
|
|
else {
|
|
*d++ = c;
|
|
}
|
|
s++;
|
|
}
|
|
*d = '\0';
|
|
|
|
return string;
|
|
}
|
|
|
|
/*
|
|
================
|
|
idStr::snPrintf
|
|
================
|
|
*/
|
|
int idStr::snPrintf( char *dest, int size, const char *fmt, ...) {
|
|
va_list argptr;
|
|
int len;
|
|
va_start( argptr, fmt );
|
|
len = D3_vsnprintfC99(dest, size, fmt, argptr);
|
|
va_end( argptr );
|
|
if ( len >= 32000 ) {
|
|
// TODO: Previously this function used a 32000 byte buffer to write into
|
|
// with vsprintf(), and raised this error if that was overflowed
|
|
// (more likely that'd have lead to a crash..).
|
|
// Technically we don't have that restriction anymore, so I'm unsure
|
|
// if this error should really still be raised to preserve
|
|
// the old intended behavior, maybe for compat with mod DLLs using
|
|
// the old version of the function or something?
|
|
idLib::common->Error( "idStr::snPrintf: overflowed buffer" );
|
|
}
|
|
if ( len >= size ) {
|
|
idLib::common->Warning( "idStr::snPrintf: overflow of %i in %i\n", len, size );
|
|
len = size;
|
|
}
|
|
return len;
|
|
}
|
|
|
|
/*
|
|
============
|
|
idStr::vsnPrintf
|
|
|
|
vsnprintf portability:
|
|
|
|
C99 standard: vsnprintf returns the number of characters (excluding the trailing
|
|
'\0') which would have been written to the final string if enough space had been available
|
|
snprintf and vsnprintf do not write more than size bytes (including the trailing '\0')
|
|
|
|
win32: _vsnprintf returns the number of characters written, not including the terminating null character,
|
|
or a negative value if an output error occurs. If the number of characters to write exceeds count, then count
|
|
characters are written and -1 is returned and no trailing '\0' is added.
|
|
|
|
idStr::vsnPrintf: always appends a trailing '\0', returns number of characters written (not including terminal \0)
|
|
or returns -1 on failure or if the buffer would be overflowed.
|
|
============
|
|
*/
|
|
int idStr::vsnPrintf( char *dest, int size, const char *fmt, va_list argptr ) {
|
|
int ret = D3_vsnprintfC99(dest, size, fmt, argptr);
|
|
if ( ret < 0 || ret >= size ) {
|
|
return -1;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
============
|
|
sprintf
|
|
|
|
Sets the value of the string using a printf interface.
|
|
============
|
|
*/
|
|
int sprintf( idStr &string, const char *fmt, ... ) {
|
|
int l;
|
|
va_list argptr;
|
|
char buffer[32000];
|
|
|
|
va_start( argptr, fmt );
|
|
l = idStr::vsnPrintf( buffer, sizeof(buffer)-1, fmt, argptr );
|
|
va_end( argptr );
|
|
buffer[sizeof(buffer)-1] = '\0';
|
|
|
|
string = buffer;
|
|
return l;
|
|
}
|
|
|
|
/*
|
|
============
|
|
vsprintf
|
|
|
|
Sets the value of the string using a vprintf interface.
|
|
============
|
|
*/
|
|
int vsprintf( idStr &string, const char *fmt, va_list argptr ) {
|
|
int l;
|
|
char buffer[32000];
|
|
|
|
l = idStr::vsnPrintf( buffer, sizeof(buffer)-1, fmt, argptr );
|
|
buffer[sizeof(buffer)-1] = '\0';
|
|
|
|
string = buffer;
|
|
return l;
|
|
}
|
|
|
|
/*
|
|
============
|
|
va
|
|
|
|
does a varargs printf into a temp buffer
|
|
NOTE: not thread safe
|
|
============
|
|
*/
|
|
char *va( const char *fmt, ... ) {
|
|
va_list argptr;
|
|
static int index = 0;
|
|
static char string[4][16384]; // in case called by nested functions
|
|
char *buf;
|
|
|
|
buf = string[index];
|
|
index = (index + 1) & 3;
|
|
|
|
va_start( argptr, fmt );
|
|
vsprintf( buf, fmt, argptr );
|
|
va_end( argptr );
|
|
|
|
return buf;
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
============
|
|
idStr::BestUnit
|
|
============
|
|
*/
|
|
int idStr::BestUnit( const char *format, float value, Measure_t measure ) {
|
|
int unit = 1;
|
|
while ( unit <= 3 && ( 1 << ( unit * 10 ) < value ) ) {
|
|
unit++;
|
|
}
|
|
unit--;
|
|
value /= 1 << ( unit * 10 );
|
|
sprintf( *this, format, value );
|
|
*this += " ";
|
|
*this += units[ measure ][ unit ];
|
|
return unit;
|
|
}
|
|
|
|
/*
|
|
============
|
|
idStr::SetUnit
|
|
============
|
|
*/
|
|
void idStr::SetUnit( const char *format, float value, int unit, Measure_t measure ) {
|
|
value /= 1 << ( unit * 10 );
|
|
sprintf( *this, format, value );
|
|
*this += " ";
|
|
*this += units[ measure ][ unit ];
|
|
}
|
|
|
|
/*
|
|
================
|
|
idStr::InitMemory
|
|
================
|
|
*/
|
|
void idStr::InitMemory( void ) {
|
|
#ifdef USE_STRING_DATA_ALLOCATOR
|
|
stringDataAllocator.Init();
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
================
|
|
idStr::ShutdownMemory
|
|
================
|
|
*/
|
|
void idStr::ShutdownMemory( void ) {
|
|
#ifdef USE_STRING_DATA_ALLOCATOR
|
|
stringDataAllocator.Shutdown();
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
================
|
|
idStr::PurgeMemory
|
|
================
|
|
*/
|
|
void idStr::PurgeMemory( void ) {
|
|
#ifdef USE_STRING_DATA_ALLOCATOR
|
|
stringDataAllocator.FreeEmptyBaseBlocks();
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
================
|
|
idStr::ShowMemoryUsage_f
|
|
================
|
|
*/
|
|
void idStr::ShowMemoryUsage_f( const idCmdArgs &args ) {
|
|
#ifdef USE_STRING_DATA_ALLOCATOR
|
|
idLib::common->Printf( "%6d KB string memory (%d KB free in %d blocks, %d empty base blocks)\n",
|
|
stringDataAllocator.GetBaseBlockMemory() >> 10, stringDataAllocator.GetFreeBlockMemory() >> 10,
|
|
stringDataAllocator.GetNumFreeBlocks(), stringDataAllocator.GetNumEmptyBaseBlocks() );
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
================
|
|
idStr::FormatNumber
|
|
================
|
|
*/
|
|
struct formatList_t {
|
|
int gran;
|
|
int count;
|
|
};
|
|
|
|
// elements of list need to decend in size
|
|
formatList_t formatList[] = {
|
|
{ 1000000000, 0 },
|
|
{ 1000000, 0 },
|
|
{ 1000, 0 }
|
|
};
|
|
|
|
int numFormatList = sizeof(formatList) / sizeof( formatList[0] );
|
|
|
|
|
|
idStr idStr::FormatNumber( int number ) {
|
|
idStr string;
|
|
bool hit;
|
|
|
|
// reset
|
|
for ( int i = 0; i < numFormatList; i++ ) {
|
|
formatList_t *li = formatList + i;
|
|
li->count = 0;
|
|
}
|
|
|
|
// main loop
|
|
do {
|
|
hit = false;
|
|
|
|
for ( int i = 0; i < numFormatList; i++ ) {
|
|
formatList_t *li = formatList + i;
|
|
|
|
if ( number >= li->gran ) {
|
|
li->count++;
|
|
number -= li->gran;
|
|
hit = true;
|
|
break;
|
|
}
|
|
}
|
|
} while ( hit );
|
|
|
|
// print out
|
|
bool found = false;
|
|
|
|
for ( int i = 0; i < numFormatList; i++ ) {
|
|
formatList_t *li = formatList + i;
|
|
|
|
if ( li->count ) {
|
|
if ( !found ) {
|
|
string += va( "%i,", li->count );
|
|
} else {
|
|
string += va( "%3.3i,", li->count );
|
|
}
|
|
found = true;
|
|
}
|
|
else if ( found ) {
|
|
string += va( "%3.3i,", li->count );
|
|
}
|
|
}
|
|
|
|
if ( found ) {
|
|
string += va( "%3.3i", number );
|
|
}
|
|
else {
|
|
string += va( "%i", number );
|
|
}
|
|
|
|
// pad to proper size
|
|
int count = 11 - string.Length();
|
|
|
|
for ( int i = 0; i < count; i++ ) {
|
|
string.Insert( " ", 0 );
|
|
}
|
|
|
|
return string;
|
|
}
|
|
|
|
idStr idStr::Format( const char* format, ... )
|
|
{
|
|
va_list argptr;
|
|
va_start( argptr, format );
|
|
idStr ret = VFormat( format, argptr );
|
|
va_end( argptr );
|
|
return ret;
|
|
}
|
|
|
|
idStr idStr::VFormat( const char* format, va_list argptr )
|
|
{
|
|
idStr ret;
|
|
int len;
|
|
va_list argptrcopy;
|
|
char buffer[16000];
|
|
|
|
// make a copy of argptr in case we need to call D3_vsnprintf() again after truncation
|
|
#ifdef va_copy // IIRC older VS versions didn't have this?
|
|
va_copy( argptrcopy, argptr );
|
|
#else
|
|
argptrcopy = argptr;
|
|
#endif
|
|
|
|
len = D3_vsnprintfC99( buffer, sizeof(buffer), format, argptr );
|
|
|
|
ret.EnsureAlloced( len + 1 );
|
|
if ( len < sizeof(buffer) ) {
|
|
strcpy( ret.data, buffer );
|
|
ret.len = len;
|
|
} else {
|
|
// string was truncated, because buffer wasn't big enough.
|
|
// ret.EnsureAlloced( len + 1 ) already made sure that ret
|
|
// has a big enough buffer, so print into that directly
|
|
D3_vsnprintfC99( ret.data, len+1, format, argptrcopy );
|
|
ret.len = len;
|
|
}
|
|
va_end( argptrcopy );
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
// behaves like C99's vsnprintf() by returning the amount of bytes that
|
|
// *would* have been written into a big enough buffer, even if that's > size
|
|
// unlike idStr::vsnPrintf() which returns -1 in that case
|
|
int D3_vsnprintfC99(char *dst, size_t size, const char *format, va_list ap)
|
|
{
|
|
// before VS2015, it didn't have a standards-conforming (v)snprintf()-implementation
|
|
// same might be true for other windows compilers if they use old CRT versions, like MinGW does
|
|
#if defined(_WIN32) && (!defined(_MSC_VER) || _MSC_VER < 1900)
|
|
#undef _vsnprintf
|
|
// based on DG_vsnprintf() from https://github.com/DanielGibson/Snippets/blob/master/DG_misc.h
|
|
int ret = -1;
|
|
if(dst != NULL && size > 0)
|
|
{
|
|
#if defined(_MSC_VER) && _MSC_VER >= 1400
|
|
// I think MSVC2005 introduced _vsnprintf_s().
|
|
// this shuts up _vsnprintf() security/deprecation warnings.
|
|
ret = _vsnprintf_s(dst, size, _TRUNCATE, format, ap);
|
|
#else
|
|
ret = _vsnprintf(dst, size, format, ap);
|
|
dst[size-1] = '\0'; // ensure '\0'-termination
|
|
#endif
|
|
}
|
|
|
|
if(ret == -1)
|
|
{
|
|
// _vsnprintf() returns -1 if the output is truncated
|
|
// it's also -1 if dst or size were NULL/0, so the user didn't want to write
|
|
// we want to return the number of characters that would've been
|
|
// needed, though.. fortunately _vscprintf() calculates that.
|
|
ret = _vscprintf(format, ap);
|
|
}
|
|
return ret;
|
|
#define _vsnprintf use_idStr_vsnPrintf
|
|
#else // other operating systems and VisualC++ >= 2015 should have a proper vsnprintf()
|
|
#undef vsnprintf
|
|
return vsnprintf(dst, size, format, ap);
|
|
#define vsnprintf use_idStr_vsnPrintf
|
|
#endif
|
|
}
|
|
|
|
// behaves like C99's snprintf() by returning the amount of bytes that
|
|
// *would* have been written into a big enough buffer, even if that's > size
|
|
// unlike idStr::snPrintf() which returns the written bytes in that case
|
|
// and also calls common->Warning() in case of overflows
|
|
int D3_snprintfC99(char *dst, size_t size, const char *format, ...)
|
|
{
|
|
int ret = 0;
|
|
va_list argptr;
|
|
va_start( argptr, format );
|
|
ret = D3_vsnprintfC99(dst, size, format, argptr);
|
|
va_end( argptr );
|
|
return ret;
|
|
}
|