AllSpiceMirrors/kicad
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Support legacy timestamps with stripped leading zeros.

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In old kicad_pcb files, the timestamp can have less than 8 symbols
if leading zeros are stripped.

For example: 0939A342 -> 939A342
This commit is contained in:
Alex Shvartzkop 2024-12-23 17:24:10 +03:00
parent 6920d65af3
commit 472192f4b8
1 changed files with 11 additions and 3 deletions

14
common/kiid.cpp
View File

@ -37,6 +37,8 @@
#include <cctype>
#include <mutex>
#include <utility>
#include <stdlib.h>
#include <wx/log.h>
@ -109,7 +111,7 @@ KIID::KIID( int null ) :
KIID::KIID( const std::string& aString ) :
m_uuid()
{
if( aString.length() == 8
if( !aString.empty() && aString.length() <= 8
&& std::all_of( aString.begin(), aString.end(),
[]( unsigned char c )
{
@ -119,9 +121,15 @@ KIID::KIID( const std::string& aString ) :
// A legacy-timestamp-based UUID has only the last 4 octets filled in.
// Convert them individually to avoid stepping in the little-endian/big-endian
// doo-doo.
for( int i = 0; i < 4; ++i )
for( int i = 0; i < 4; i++ )
{
std::string octet = aString.substr( i * 2, 2 );
int start = static_cast<int>( aString.length() ) - 8 + i * 2;
int end = start + 2;
start = std::max( 0, start );
int len = std::max( 0, end - start );
std::string octet = aString.substr( start, len );
m_uuid.data[i + 12] = strtol( octet.data(), nullptr, 16 );
}
}