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/*
Original code by Lee Thomason (www.grinninglizard.com)
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any
damages arising from the use of this software.
Permission is granted to anyone to use this software for any
purpose, including commercial applications, and to alter it and
redistribute it freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must
not claim that you wrote the original software. If you use this
software in a product, an acknowledgment in the product documentation
would be appreciated but is not required.
2. Altered source versions must be plainly marked as such, and
must not be misrepresented as being the original software.
3. This notice may not be removed or altered from any source
distribution.
*/
#
include
"
tinyxml2.h
"
#
include
<
new
>
//
yes, this one new style header, is in the Android SDK.
#
if
defined(ANDROID_NDK) || defined(__BORLANDC__) || defined(__QNXNTO__) || defined(__CC_ARM)
#
include
<
stddef.h
>
#
include
<
stdarg.h
>
#
else
#
include
<
cstddef
>
#
include
<
cstdarg
>
#
endif
#
if
defined(_MSC_VER) && (_MSC_VER >= 1400 ) && (!defined WINCE)
//
Microsoft Visual Studio, version 2005 and higher. Not WinCE.
/*
int _snprintf_s(
char *buffer,
size_t sizeOfBuffer,
size_t count,
const char *format [,
argument] ...
);
*/
static
inline
int
TIXML_SNPRINTF
(
char
* buffer,
size_t
size,
const
char
* format, ... )
{
va_list va;
va_start
( va, format );
const
int
result =
vsnprintf_s
( buffer, size, _TRUNCATE, format, va );
va_end
( va );
return
result;
}
static
inline
int
TIXML_VSNPRINTF
(
char
* buffer,
size_t
size,
const
char
* format, va_list va )
{
const
int
result =
vsnprintf_s
( buffer, size, _TRUNCATE, format, va );
return
result;
}
#
define
TIXML_VSCPRINTF
_vscprintf
#
define
TIXML_SSCANF
sscanf_s
#
elif
defined _MSC_VER
//
Microsoft Visual Studio 2003 and earlier or WinCE
#
define
TIXML_SNPRINTF
_snprintf
#
define
TIXML_VSNPRINTF
_vsnprintf
#
define
TIXML_SSCANF
sscanf
#
if
(_MSC_VER < 1400 ) && (!defined WINCE)
//
Microsoft Visual Studio 2003 and not WinCE.
#
define
TIXML_VSCPRINTF
_vscprintf
//
VS2003's C runtime has this, but VC6 C runtime or WinCE SDK doesn't have.
#
else
//
Microsoft Visual Studio 2003 and earlier or WinCE.
static
inline
int
TIXML_VSCPRINTF
(
const
char
* format, va_list va )
{
int
len =
512
;
for
(;;) {
len = len*
2
;
char
* str =
new
char
[len]();
const
int
required =
_vsnprintf
(str, len, format, va);
delete[]
str;
if
( required != -
1
) {
TIXMLASSERT
( required >=
0
);
len = required;
break
;
}
}
TIXMLASSERT
( len >=
0
);
return
len;
}
#
endif
#
else
//
GCC version 3 and higher
//
#warning( "Using sn* functions." )
#
define
TIXML_SNPRINTF
snprintf
#
define
TIXML_VSNPRINTF
vsnprintf
static
inline
int
TIXML_VSCPRINTF
(
const
char
* format, va_list va )
{
int
len =
vsnprintf
(
0
,
0
, format, va );
TIXMLASSERT
( len >=
0
);
return
len;
}
#
define
TIXML_SSCANF
sscanf
#
endif
#
if
defined(_WIN64)
#
define
TIXML_FSEEK
_fseeki64
#
define
TIXML_FTELL
_ftelli64
#
elif
defined(__APPLE__) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__DragonFly__) || defined(__CYGWIN__)
#
define
TIXML_FSEEK
fseeko
#
define
TIXML_FTELL
ftello
#
elif
defined(__ANDROID__) && __ANDROID_API__ > 24
#
define
TIXML_FSEEK
fseeko64
#
define
TIXML_FTELL
ftello64
#
else
#
define
TIXML_FSEEK
fseek
#
define
TIXML_FTELL
ftell
#
endif
static
const
char
LINE_FEED
=
static_cast
<
char
>(
0x0a
);
//
all line endings are normalized to LF
static
const
char
LF
=
LINE_FEED
;
static
const
char
CARRIAGE_RETURN
=
static_cast
<
char
>(
0x0d
);
//
CR gets filtered out
static
const
char
CR
=
CARRIAGE_RETURN
;
static
const
char
SINGLE_QUOTE
=
'
\'
'
;
static
const
char
DOUBLE_QUOTE
=
'
\"
'
;
//
Bunch of unicode info at:
//
http://www.unicode.org/faq/utf_bom.html
//
ef bb bf (Microsoft "lead bytes") - designates UTF-8
static
const
unsigned
char
TIXML_UTF_LEAD_0
=
0xefU
;
static
const
unsigned
char
TIXML_UTF_LEAD_1
=
0xbbU
;
static
const
unsigned
char
TIXML_UTF_LEAD_2
=
0xbfU
;
namespace
tinyxml2
{
struct
Entity
{
const
char
* pattern;
int
length;
char
value;
};
static
const
int
NUM_ENTITIES
=
5
;
static
const
Entity entities[
NUM_ENTITIES
] = {
{
"
quot
"
,
4
,
DOUBLE_QUOTE
},
{
"
amp
"
,
3
,
'
&
'
},
{
"
apos
"
,
4
,
SINGLE_QUOTE
},
{
"
lt
"
,
2
,
'
<
'
},
{
"
gt
"
,
2
,
'
>
'
}
};
StrPair::~StrPair
()
{
Reset
();
}
void
StrPair::TransferTo
( StrPair* other )
{
if
(
this
== other ) {
return
;
}
//
This in effect implements the assignment operator by "moving"
//
ownership (as in auto_ptr).
TIXMLASSERT
( other !=
0
);
TIXMLASSERT
( other->
_flags
==
0
);
TIXMLASSERT
( other->
_start
==
0
);
TIXMLASSERT
( other->
_end
==
0
);
other->
Reset
();
other->
_flags
= _flags;
other->
_start
= _start;
other->
_end
= _end;
_flags =
0
;
_start =
0
;
_end =
0
;
}
void
StrPair::Reset
()
{
if
( _flags &
NEEDS_DELETE
) {
delete []
_start;
}
_flags =
0
;
_start =
0
;
_end =
0
;
}
void
StrPair::SetStr
(
const
char
* str,
int
flags )
{
TIXMLASSERT
( str );
Reset
();
size_t
len =
strlen
( str );
TIXMLASSERT
( _start ==
0
);
_start =
new
char
[ len+
1
];
memcpy
( _start, str, len+
1
);
_end = _start + len;
_flags = flags |
NEEDS_DELETE
;
}
char
*
StrPair::ParseText
(
char
* p,
const
char
* endTag,
int
strFlags,
int
* curLineNumPtr )
{
TIXMLASSERT
( p );
TIXMLASSERT
( endTag && *endTag );
TIXMLASSERT
(curLineNumPtr);
char
* start = p;
const
char
endChar = *endTag;
size_t
length =
strlen
( endTag );
//
Inner loop of text parsing.
while
( *p ) {
if
( *p == endChar &&
strncmp
( p, endTag, length ) ==
0
) {
Set
( start, p, strFlags );
return
p + length;
}
else
if
(*p ==
'
\n
'
) {
++(*curLineNumPtr);
}
++p;
TIXMLASSERT
( p );
}
return
0
;
}
char
*
StrPair::ParseName
(
char
* p )
{
if
( !p || !(*p) ) {
return
0
;
}
if
( !
XMLUtil::IsNameStartChar
(
static_cast
<
unsigned
char
>(*p) ) ) {
return
0
;
}
char
*
const
start = p;
++p;
while
( *p &&
XMLUtil::IsNameChar
(
static_cast
<
unsigned
char
>(*p) ) ) {
++p;
}
Set
( start, p,
0
);
return
p;
}
void
StrPair::CollapseWhitespace
()
{
//
Adjusting _start would cause undefined behavior on delete[]
TIXMLASSERT
( ( _flags &
NEEDS_DELETE
) ==
0
);
//
Trim leading space.
_start =
XMLUtil::SkipWhiteSpace
( _start,
0
);
if
( *_start ) {
const
char
* p = _start;
//
the read pointer
char
* q = _start;
//
the write pointer
while
( *p ) {
if
(
XMLUtil::IsWhiteSpace
( *p )) {
p =
XMLUtil::SkipWhiteSpace
( p,
0
);
if
( *p ==
0
) {
break
;
//
don't write to q; this trims the trailing space.
}
*q =
'
'
;
++q;
}
*q = *p;
++q;
++p;
}
*q =
0
;
}
}
const
char
*
StrPair::GetStr
()
{
TIXMLASSERT
( _start );
TIXMLASSERT
( _end );
if
( _flags &
NEEDS_FLUSH
) {
*_end =
0
;
_flags ^=
NEEDS_FLUSH
;
if
( _flags ) {
const
char
* p = _start;
//
the read pointer
char
* q = _start;
//
the write pointer
while
( p < _end ) {
if
( (_flags &
NEEDS_NEWLINE_NORMALIZATION
) && *p ==
CR
) {
//
CR-LF pair becomes LF
//
CR alone becomes LF
//
LF-CR becomes LF
if
( *(p+
1
) ==
LF
) {
p +=
2
;
}
else
{
++p;
}
*q =
LF
;
++q;
}
else
if
( (_flags &
NEEDS_NEWLINE_NORMALIZATION
) && *p ==
LF
) {
if
( *(p+
1
) ==
CR
) {
p +=
2
;
}
else
{
++p;
}
*q =
LF
;
++q;
}
else
if
( (_flags &
NEEDS_ENTITY_PROCESSING
) && *p ==
'
&
'
) {
//
Entities handled by tinyXML2:
//
- special entities in the entity table [in/out]
//
- numeric character reference [in]
//
中 or 中
if
( *(p+
1
) ==
'
#
'
) {
const
int
buflen =
10
;
char
buf[buflen] = {
0
};
int
len =
0
;
const
char
* adjusted =
const_cast
<
char
*>(
XMLUtil::GetCharacterRef
( p, buf, &len ) );
if
( adjusted ==
0
) {
*q = *p;
++p;
++q;
}
else
{
TIXMLASSERT
(
0
<= len && len <= buflen );
TIXMLASSERT
( q + len <= adjusted );
p = adjusted;
memcpy
( q, buf, len );
q += len;
}
}
else
{
bool
entityFound =
false
;
for
(
int
i =
0
; i <
NUM_ENTITIES
; ++i ) {
const
Entity& entity = entities[i];
if
(
strncmp
( p +
1
, entity.
pattern
, entity.
length
) ==
0
&& *( p + entity.
length
+
1
) ==
'
;
'
) {
//
Found an entity - convert.
*q = entity.
value
;
++q;
p += entity.
length
+
2
;
entityFound =
true
;
break
;
}
}
if
( !entityFound ) {
//
fixme: treat as error?
++p;
++q;
}
}
}
else
{
*q = *p;
++p;
++q;
}
}
*q =
0
;
}
//
The loop below has plenty going on, and this
//
is a less useful mode. Break it out.
if
( _flags &
NEEDS_WHITESPACE_COLLAPSING
) {
CollapseWhitespace
();
}
_flags = (_flags &
NEEDS_DELETE
);
}
TIXMLASSERT
( _start );
return
_start;
}
//
--------- XMLUtil ----------- //
const
char
* XMLUtil::writeBoolTrue =
"
true
"
;
const
char
* XMLUtil::writeBoolFalse =
"
false
"
;
void
XMLUtil::SetBoolSerialization
(
const
char
* writeTrue,
const
char
* writeFalse)
{
static
const
char
* defTrue =
"
true
"
;
static
const
char
* defFalse =
"
false
"
;
writeBoolTrue = (writeTrue) ? writeTrue : defTrue;
writeBoolFalse = (writeFalse) ? writeFalse : defFalse;
}
const
char
*
XMLUtil::ReadBOM
(
const
char
* p,
bool
* bom )
{
TIXMLASSERT
( p );
TIXMLASSERT
( bom );
*bom =
false
;
const
unsigned
char
* pu =
reinterpret_cast
<
const
unsigned
char
*>(p);
//
Check for BOM:
if
( *(pu+
0
) ==
TIXML_UTF_LEAD_0
&& *(pu+
1
) ==
TIXML_UTF_LEAD_1
&& *(pu+
2
) ==
TIXML_UTF_LEAD_2
) {
*bom =
true
;
p +=
3
;
}
TIXMLASSERT
( p );
return
p;
}
void
XMLUtil::ConvertUTF32ToUTF8
(
unsigned
long
input,
char
* output,
int
* length )
{
const
unsigned
long
BYTE_MASK
=
0xBF
;
const
unsigned
long
BYTE_MARK
=
0x80
;
const
unsigned
long
FIRST_BYTE_MARK
[
7
] = {
0x00
,
0x00
,
0xC0
,
0xE0
,
0xF0
,
0xF8
,
0xFC
};
if
(input <
0x80
) {
*length =
1
;
}
else
if
( input <
0x800
) {
*length =
2
;
}
else
if
( input <
0x10000
) {
*length =
3
;
}
else
if
( input <
0x200000
) {
*length =
4
;
}
else
{
*length =
0
;
//
This code won't convert this correctly anyway.
return
;
}
output += *length;
//
Scary scary fall throughs are annotated with carefully designed comments
//
to suppress compiler warnings such as -Wimplicit-fallthrough in gcc
switch
(*length) {
case
4
:
--output;
*output =
static_cast
<
char
>((input |
BYTE_MARK
) &
BYTE_MASK
);
input >>=
6
;
//
fall through
case
3
:
--output;
*output =
static_cast
<
char
>((input |
BYTE_MARK
) &
BYTE_MASK
);
input >>=
6
;
//
fall through
case
2
:
--output;
*output =
static_cast
<
char
>((input |
BYTE_MARK
) &
BYTE_MASK
);
input >>=
6
;
//
fall through
case
1
:
--output;
*output =
static_cast
<
char
>(input |
FIRST_BYTE_MARK
[*length]);
break
;
default
:
TIXMLASSERT
(
false
);
}
}
const
char
*
XMLUtil::GetCharacterRef
(
const
char
* p,
char
* value,
int
* length)
{
//
Assume an entity, and pull it out.
*length =
0
;
static
const
uint32_t
MAX_CODE_POINT
=
0x10FFFF
;
if
(*(p +
1
) ==
'
#
'
&& *(p +
2
)) {
uint32_t
ucs =
0
;
ptrdiff_t
delta =
0
;
uint32_t
mult =
1
;
static
const
char
SEMICOLON
=
'
;
'
;
bool
hex =
false
;
uint32_t
radix =
10
;
const
char
* q =
0
;
char
terminator =
'
#
'
;
if
(*(p +
2
) ==
'
x
'
) {
//
Hexadecimal.
hex =
true
;
radix =
16
;
terminator =
'
x
'
;
q = p +
3
;
}
else
{
//
Decimal.
q = p +
2
;
}
if
(!(*q)) {
return
0
;
}
q =
strchr
(q,
SEMICOLON
);
if
(!q) {
return
0
;
}
TIXMLASSERT
(*q ==
SEMICOLON
);
delta = q - p;
--q;
while
(*q != terminator) {
uint32_t
digit =
0
;
if
(*q >=
'
0
'
&& *q <=
'
9
'
) {
digit = *q -
'
0
'
;
}
else
if
(hex && (*q >=
'
a
'
&& *q <=
'
f
'
)) {
digit = *q -
'
a
'
+
10
;
}
else
if
(hex && (*q >=
'
A
'
&& *q <=
'
F
'
)) {
digit = *q -
'
A
'
+
10
;
}
else
{
return
0
;
}
TIXMLASSERT
(digit < radix);
const
unsigned
int
digitScaled = mult * digit;
ucs += digitScaled;
mult *= radix;
//
Security check: could a value exist that is out of range?
//
Easily; limit to the MAX_CODE_POINT, which also allows for a
//
bunch of leading zeroes.
if
(mult >
MAX_CODE_POINT
) {
mult =
MAX_CODE_POINT
;
}
--q;
}
//
Out of range:
if
(ucs >
MAX_CODE_POINT
) {
return
0
;
}
//
convert the UCS to UTF-8
ConvertUTF32ToUTF8
(ucs, value, length);
if
(length ==
0
) {
//
If length is 0, there was an error. (Security? Bad input?)
//
Fail safely.
return
0
;
}
return
p + delta +
1
;
}
return
p +
1
;
}
void
XMLUtil::ToStr
(
int
v,
char
* buffer,
int
bufferSize )
{
TIXML_SNPRINTF
( buffer, bufferSize,
"
%d
"
, v );
}
void
XMLUtil::ToStr
(
unsigned
v,
char
* buffer,
int
bufferSize )
{
TIXML_SNPRINTF
( buffer, bufferSize,
"
%u
"
, v );
}
void
XMLUtil::ToStr
(
bool
v,
char
* buffer,
int
bufferSize )
{
TIXML_SNPRINTF
( buffer, bufferSize,
"
%s
"
, v ? writeBoolTrue : writeBoolFalse);
}
/*
ToStr() of a number is a very tricky topic.
https://github.com/leethomason/tinyxml2/issues/106
*/
void
XMLUtil::ToStr
(
float
v,
char
* buffer,
int
bufferSize )
{
TIXML_SNPRINTF
( buffer, bufferSize,
"
%.8g
"
, v );
}
void
XMLUtil::ToStr
(
double
v,
char
* buffer,
int
bufferSize )
{
TIXML_SNPRINTF
( buffer, bufferSize,
"
%.17g
"
, v );
}
void
XMLUtil::ToStr
(
int64_t
v,
char
* buffer,
int
bufferSize )
{
//
horrible syntax trick to make the compiler happy about %lld
TIXML_SNPRINTF
(buffer, bufferSize,
"
%lld
"
,
static_cast
<
long
long
>(v));
}
void
XMLUtil::ToStr
(
uint64_t
v,
char
* buffer,
int
bufferSize )
{
//
horrible syntax trick to make the compiler happy about %llu
TIXML_SNPRINTF
(buffer, bufferSize,
"
%llu
"
,
static_cast
<
unsigned
long
long
>(v));
}
bool
XMLUtil::ToInt
(
const
char
* str,
int
* value)
{
if
(
IsPrefixHex
(str)) {
unsigned
v;
if
(
TIXML_SSCANF
(str,
"
%x
"
, &v) ==
1
) {
*value =
static_cast
<
int
>(v);
return
true
;
}
}
else
{
if
(
TIXML_SSCANF
(str,
"
%d
"
, value) ==
1
) {
return
true
;
}
}
return
false
;
}
bool
XMLUtil::ToUnsigned
(
const
char
* str,
unsigned
* value)
{
if
(
TIXML_SSCANF
(str,
IsPrefixHex
(str) ?
"
%x
"
:
"
%u
"
, value) ==
1
) {
return
true
;
}
return
false
;
}
bool
XMLUtil::ToBool
(
const
char
* str,
bool
* value )
{
int
ival =
0
;
if
(
ToInt
( str, &ival )) {
*value = (ival==
0
) ?
false
:
true
;
return
true
;
}
static
const
char
*
TRUE_VALS
[] = {
"
true
"
,
"
True
"
,
"
TRUE
"
,
0
};
static
const
char
*
FALSE_VALS
[] = {
"
false
"
,
"
False
"
,
"
FALSE
"
,
0
};
for
(
int
i =
0
;
TRUE_VALS
[i]; ++i) {
if
(
StringEqual
(str,
TRUE_VALS
[i])) {
*value =
true
;
return
true
;
}
}
for
(
int
i =
0
;
FALSE_VALS
[i]; ++i) {
if
(
StringEqual
(str,
FALSE_VALS
[i])) {
*value =
false
;
return
true
;
}
}
return
false
;
}
bool
XMLUtil::ToFloat
(
const
char
* str,
float
* value )
{
if
(
TIXML_SSCANF
( str,
"
%f
"
, value ) ==
1
) {
return
true
;
}
return
false
;
}
bool
XMLUtil::ToDouble
(
const
char
* str,
double
* value )
{
if
(
TIXML_SSCANF
( str,
"
%lf
"
, value ) ==
1
) {
return
true
;
}
return
false
;
}
bool
XMLUtil::ToInt64
(
const
char
* str,
int64_t
* value)
{
if
(
IsPrefixHex
(str)) {
unsigned
long
long
v =
0
;
//
horrible syntax trick to make the compiler happy about %llx
if
(
TIXML_SSCANF
(str,
"
%llx
"
, &v) ==
1
) {
*value =
static_cast
<
int64_t
>(v);
return
true
;
}
}
else
{
long
long
v =
0
;
//
horrible syntax trick to make the compiler happy about %lld
if
(
TIXML_SSCANF
(str,
"
%lld
"
, &v) ==
1
) {
*value =
static_cast
<
int64_t
>(v);
return
true
;
}
}
return
false
;
}
bool
XMLUtil::ToUnsigned64
(
const
char
* str,
uint64_t
* value) {
unsigned
long
long
v =
0
;
//
horrible syntax trick to make the compiler happy about %llu
if
(
TIXML_SSCANF
(str,
IsPrefixHex
(str) ?
"
%llx
"
:
"
%llu
"
, &v) ==
1
) {
*value =
static_cast
<
uint64_t
>(v);
return
true
;
}
return
false
;
}
char
*
XMLDocument::Identify
(
char
* p, XMLNode** node,
bool
first )
{
TIXMLASSERT
( node );
TIXMLASSERT
( p );
char
*
const
start = p;
int
const
startLine = _parseCurLineNum;
p =
XMLUtil::SkipWhiteSpace
( p, &_parseCurLineNum );
if
( !*p ) {
*node =
0
;
TIXMLASSERT
( p );
return
p;
}
//
These strings define the matching patterns:
static
const
char
* xmlHeader = {
"
<?
"
};
static
const
char
* commentHeader = {
"
<!--
"
};
static
const
char
* cdataHeader = {
"
<![CDATA[
"
};
static
const
char
* dtdHeader = {
"
<!
"
};
static
const
char
* elementHeader = {
"
<
"
};
//
and a header for everything else; check last.
static
const
int
xmlHeaderLen =
2
;
static
const
int
commentHeaderLen =
4
;
static
const
int
cdataHeaderLen =
9
;
static
const
int
dtdHeaderLen =
2
;
static
const
int
elementHeaderLen =
1
;
TIXMLASSERT
(
sizeof
( XMLComment ) ==
sizeof
( XMLUnknown ) );
//
use same memory pool
TIXMLASSERT
(
sizeof
( XMLComment ) ==
sizeof
( XMLDeclaration ) );
//
use same memory pool
XMLNode* returnNode =
0
;
if
(
XMLUtil::StringEqual
( p, xmlHeader, xmlHeaderLen ) ) {
returnNode = CreateUnlinkedNode<XMLDeclaration>( _commentPool );
returnNode->
_parseLineNum
= _parseCurLineNum;
p += xmlHeaderLen;
}
else
if
(
XMLUtil::StringEqual
( p, commentHeader, commentHeaderLen ) ) {
returnNode = CreateUnlinkedNode<XMLComment>( _commentPool );
returnNode->
_parseLineNum
= _parseCurLineNum;
p += commentHeaderLen;
}
else
if
(
XMLUtil::StringEqual
( p, cdataHeader, cdataHeaderLen ) ) {
XMLText* text = CreateUnlinkedNode<XMLText>( _textPool );
returnNode = text;
returnNode->
_parseLineNum
= _parseCurLineNum;
p += cdataHeaderLen;
text->
SetCData
(
true
);
}
else
if
(
XMLUtil::StringEqual
( p, dtdHeader, dtdHeaderLen ) ) {
returnNode = CreateUnlinkedNode<XMLUnknown>( _commentPool );
returnNode->
_parseLineNum
= _parseCurLineNum;
p += dtdHeaderLen;
}
else
if
(
XMLUtil::StringEqual
( p, elementHeader, elementHeaderLen ) ) {
//
Preserve whitespace pedantically before closing tag, when it's immediately after opening tag
if
(
WhitespaceMode
() ==
PEDANTIC_WHITESPACE
&& first && p != start && *(p + elementHeaderLen) ==
'
/
'
) {
returnNode = CreateUnlinkedNode<XMLText>(_textPool);
returnNode->
_parseLineNum
= startLine;
p = start;
//
Back it up, all the text counts.
_parseCurLineNum = startLine;
}
else
{
returnNode = CreateUnlinkedNode<XMLElement>(_elementPool);
returnNode->
_parseLineNum
= _parseCurLineNum;
p += elementHeaderLen;
}
}
else
{
returnNode = CreateUnlinkedNode<XMLText>( _textPool );
returnNode->
_parseLineNum
= _parseCurLineNum;
//
Report line of first non-whitespace character
p = start;
//
Back it up, all the text counts.
_parseCurLineNum = startLine;
}
TIXMLASSERT
( returnNode );
TIXMLASSERT
( p );
*node = returnNode;
return
p;
}
bool
XMLDocument::Accept
( XMLVisitor* visitor )
const
{
TIXMLASSERT
( visitor );
if
( visitor->
VisitEnter
( *
this
) ) {
for
(
const
XMLNode* node=
FirstChild
(); node; node=node->
NextSibling
() ) {
if
( !node->
Accept
( visitor ) ) {
break
;
}
}
}
return
visitor->
VisitExit
( *
this
);
}
//
--------- XMLNode ----------- //
XMLNode::XMLNode
( XMLDocument* doc ) :
_document
( doc ),
_parent
(
0
),
_value
(),
_parseLineNum
(
0
),
_firstChild
(
0
), _lastChild(
0
),
_prev
(
0
), _next(
0
),
_userData
(
0
),
_memPool
(
0
)
{
}
XMLNode::~XMLNode
()
{
DeleteChildren
();
if
( _parent ) {
_parent->
Unlink
(
this
);
}
}
//
ChildElementCount was originally suggested by msteiger on the sourceforge page for TinyXML and modified by KB1SPH for TinyXML-2.
int
XMLNode::ChildElementCount
(
const
char
*value)
const
{
int
count =
0
;
const
XMLElement *e =
FirstChildElement
(value);
while
(e) {
e = e->
NextSiblingElement
(value);
count++;
}
return
count;
}
int
XMLNode::ChildElementCount
()
const
{
int
count =
0
;
const
XMLElement *e =
FirstChildElement
();
while
(e) {
e = e->
NextSiblingElement
();
count++;
}
return
count;
}
const
char
*
XMLNode::Value
()
const
{
//
Edge case: XMLDocuments don't have a Value. Return null.
if
(
this
->
ToDocument
() )
return
0
;
return
_value.
GetStr
();
}
void
XMLNode::SetValue
(
const
char
* str,
bool
staticMem )
{
if
( staticMem ) {
_value.
SetInternedStr
( str );
}
else
{
_value.
SetStr
( str );
}
}
XMLNode*
XMLNode::DeepClone
(XMLDocument* target)
const
{
XMLNode* clone =
this
->
ShallowClone
(target);
if
(!clone)
return
0
;
for
(
const
XMLNode* child =
this
->
FirstChild
(); child; child = child->
NextSibling
()) {
XMLNode* childClone = child->
DeepClone
(target);
TIXMLASSERT
(childClone);
clone->
InsertEndChild
(childClone);
}
return
clone;
}
void
XMLNode::DeleteChildren
()
{
while
( _firstChild ) {
TIXMLASSERT
( _lastChild );
DeleteChild
( _firstChild );
}
_firstChild = _lastChild =
0
;
}
void
XMLNode::Unlink
( XMLNode* child )
{
TIXMLASSERT
( child );
TIXMLASSERT
( child->
_document
== _document );
TIXMLASSERT
( child->
_parent
==
this
);
if
( child == _firstChild ) {
_firstChild = _firstChild->
_next
;
}
if
( child == _lastChild ) {
_lastChild = _lastChild->
_prev
;
}
if
( child->
_prev
) {
child->
_prev
->
_next
= child->
_next
;
}
if
( child->
_next
) {
child->
_next
->
_prev
= child->
_prev
;
}
child->
_next
=
0
;
child->
_prev
=
0
;
child->
_parent
=
0
;
}
void
XMLNode::DeleteChild
( XMLNode* node )
{
TIXMLASSERT
( node );
TIXMLASSERT
( node->
_document
== _document );
TIXMLASSERT
( node->
_parent
==
this
);
Unlink
( node );
TIXMLASSERT
(node->
_prev
==
0
);
TIXMLASSERT
(node->
_next
==
0
);
TIXMLASSERT
(node->
_parent
==
0
);
DeleteNode
( node );
}
XMLNode*
XMLNode::InsertEndChild
( XMLNode* addThis )
{
TIXMLASSERT
( addThis );
if
( addThis->
_document
!= _document ) {
TIXMLASSERT
(
false
);
return
0
;
}
InsertChildPreamble
( addThis );
if
( _lastChild ) {
TIXMLASSERT
( _firstChild );
TIXMLASSERT
( _lastChild->
_next
==
0
);
_lastChild->
_next
= addThis;
addThis->
_prev
= _lastChild;
_lastChild = addThis;
addThis->
_next
=
0
;
}
else
{
TIXMLASSERT
( _firstChild ==
0
);
_firstChild = _lastChild = addThis;
addThis->
_prev
=
0
;
addThis->
_next
=
0
;
}
addThis->
_parent
=
this
;
return
addThis;
}
XMLNode*
XMLNode::InsertFirstChild
( XMLNode* addThis )
{
TIXMLASSERT
( addThis );
if
( addThis->
_document
!= _document ) {
TIXMLASSERT
(
false
);
return
0
;
}
InsertChildPreamble
( addThis );
if
( _firstChild ) {
TIXMLASSERT
( _lastChild );
TIXMLASSERT
( _firstChild->
_prev
==
0
);
_firstChild->
_prev
= addThis;
addThis->
_next
= _firstChild;
_firstChild = addThis;
addThis->
_prev
=
0
;
}
else
{
TIXMLASSERT
( _lastChild ==
0
);
_firstChild = _lastChild = addThis;
addThis->
_prev
=
0
;
addThis->
_next
=
0
;
}
addThis->
_parent
=
this
;
return
addThis;
}
XMLNode*
XMLNode::InsertAfterChild
( XMLNode* afterThis, XMLNode* addThis )
{
TIXMLASSERT
( addThis );
if
( addThis->
_document
!= _document ) {
TIXMLASSERT
(
false
);
return
0
;
}
TIXMLASSERT
( afterThis );
if
( afterThis->
_parent
!=
this
) {
TIXMLASSERT
(
false
);
return
0
;
}
if
( afterThis == addThis ) {
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