kicad/eeschema/class_drawsheetpath.cpp

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/////////////////////////////////////////////////////////////////////////////
// Name: class_drawsheet.cpp
// Purpose: member functions for SCH_SHEET
// header = class_drawsheet.h
// Author: jean-pierre Charras
// Modified by:
// License: License GNU
/////////////////////////////////////////////////////////////////////////////
#include "fctsys.h"
#include "common.h"
#include "program.h"
#include "general.h"
/**********************************************/
/* class to handle a series of sheets *********/
/* a 'path' so to speak.. *********************/
/**********************************************/
SCH_SHEET_PATH::SCH_SHEET_PATH()
{
for( int i = 0; i<DSLSZ; i++ )
m_sheets[i] = NULL;
m_numSheets = 0;
}
/** Function BuildSheetPathInfoFromSheetPathValue
* Fill this with data to access to the hierarchical sheet known by its path
* aPath
* @param aPath = path of the sheet to reach (in non human readable format)
* @return true if success else false
*/
bool SCH_SHEET_PATH::BuildSheetPathInfoFromSheetPathValue(
const wxString& aPath,
bool aFound )
{
if( aFound )
return true;
if( GetSheetsCount() == 0 )
Push( g_RootSheet );
if( aPath == Path() )
return true;
SCH_ITEM* schitem = LastDrawList();
while( schitem && GetSheetsCount() < NB_MAX_SHEET )
{
if( schitem->Type() == DRAW_SHEET_STRUCT_TYPE )
{
SCH_SHEET* sheet = (SCH_SHEET*) schitem;
Push( sheet );
if( aPath == Path() )
return true;
if( BuildSheetPathInfoFromSheetPathValue( aPath ) )
return true;
Pop();
}
schitem = schitem->Next();
}
return false;
}
/** Function Cmp
* Compare if this is the same sheet path as aSheetPathToTest
* @param aSheetPathToTest = sheet path to compare
* @return -1 if different, 0 if same
*/
int SCH_SHEET_PATH::Cmp( const SCH_SHEET_PATH& aSheetPathToTest ) const
{
if( m_numSheets > aSheetPathToTest.m_numSheets )
return 1;
if( m_numSheets < aSheetPathToTest.m_numSheets )
return -1;
//otherwise, same number of sheets.
for( unsigned i = 0; i<m_numSheets; i++ )
{
if( m_sheets[i]->m_TimeStamp >
aSheetPathToTest.m_sheets[i]->m_TimeStamp )
return 1;
if( m_sheets[i]->m_TimeStamp <
aSheetPathToTest.m_sheets[i]->m_TimeStamp )
return -1;
}
return 0;
}
/** Function Last
* returns a pointer to the last sheet of the list
* One can see the others sheet as the "path" to reach this last sheet
*/
SCH_SHEET* SCH_SHEET_PATH::Last()
{
if( m_numSheets )
return m_sheets[m_numSheets - 1];
return NULL;
}
/** Function LastScreen
* @return the SCH_SCREEN relative to the last sheet in list
*/
SCH_SCREEN* SCH_SHEET_PATH::LastScreen()
{
if( m_numSheets )
return m_sheets[m_numSheets - 1]->m_AssociatedScreen;
return NULL;
}
/** Function LastScreen
* @return a pointer to the first schematic item handled by the
* SCH_SCREEN relative to the last sheet in list
*/
SCH_ITEM* SCH_SHEET_PATH::LastDrawList()
{
if( m_numSheets && m_sheets[m_numSheets - 1]->m_AssociatedScreen )
return m_sheets[m_numSheets - 1]->m_AssociatedScreen->EEDrawList;
return NULL;
}
/** Function Push
* store (push) aSheet in list
* @param aSheet = pointer to the SCH_SHEET to store in list
*/
void SCH_SHEET_PATH::Push( SCH_SHEET* aSheet )
{
if( m_numSheets > DSLSZ )
wxMessageBox( wxT( "SCH_SHEET_PATH::Push() error: no room in buffer \
to store sheet" ) );
if( m_numSheets < DSLSZ )
{
m_sheets[m_numSheets] = aSheet;
m_numSheets++;
}
}
/** Function Pop
* retrieves (pop) the last entered sheet and remove it from list
* @return a SCH_SHEET* pointer to the removed sheet in list
*/
SCH_SHEET* SCH_SHEET_PATH::Pop()
{
if( m_numSheets > 0 )
{
m_numSheets--;
return m_sheets[m_numSheets];
}
return NULL;
}
/** Function Path
* the path uses the time stamps which do not changes even when editing sheet
* parameters
* a path is something like / (root) or /34005677 or /34005677/00AE4523
*/
wxString SCH_SHEET_PATH::Path()
{
wxString s, t;
s = wxT( "/" ); // This is the root path
// start at 1 to avoid the root sheet,
// which does not need to be added to the path
// it's timestamp changes anyway.
for( unsigned i = 1; i < m_numSheets; i++ )
{
t.Printf( _( "%8.8lX/" ), m_sheets[i]->m_TimeStamp );
s = s + t;
}
return s;
}
/** Function PathHumanReadable
* Return the sheet path in a readable form, i.e.
* as a path made from sheet names.
* (the "normal" path uses the time stamps which do not changes even when
* editing sheet parameters)
*/
wxString SCH_SHEET_PATH::PathHumanReadable()
{
wxString s, t;
s = wxT( "/" );
// start at 1 to avoid the root sheet, as above.
for( unsigned i = 1; i< m_numSheets; i++ )
{
s = s + m_sheets[i]->m_SheetName + wxT( "/" );
}
return s;
}
void SCH_SHEET_PATH::UpdateAllScreenReferences()
{
EDA_BaseStruct* t = LastDrawList();
while( t )
{
if( t->Type() == TYPE_SCH_COMPONENT )
{
SCH_COMPONENT* component = (SCH_COMPONENT*) t;
component->GetField( REFERENCE )->m_Text = component->GetRef( this );
component->m_Multi = component->GetUnitSelection( this );
}
t = t->Next();
}
}
bool SCH_SHEET_PATH::operator=( const SCH_SHEET_PATH& d1 )
{
m_numSheets = d1.m_numSheets;
unsigned i;
for( i = 0; i < m_numSheets; i++ )
{
m_sheets[i] = d1.m_sheets[i];
}
for( ; i < DSLSZ; i++ )
{
m_sheets[i] = 0;
}
return true;
}
bool SCH_SHEET_PATH::operator==( const SCH_SHEET_PATH& d1 )
{
if( m_numSheets != d1.m_numSheets )
return false;
for( unsigned i = 0; i < m_numSheets; i++ )
{
if( m_sheets[i] != d1.m_sheets[i] )
return false;
}
return true;
}
bool SCH_SHEET_PATH::operator!=( const SCH_SHEET_PATH& d1 )
{
if( m_numSheets != d1.m_numSheets )
return true;
for( unsigned i = 0; i < m_numSheets; i++ )
{
if( m_sheets[i] != d1.m_sheets[i] )
return true;
}
return false;
}
/*********************************************************************/
/* Class SCH_SHEET_LIST to handle the list of Sheets in a hierarchy */
/*********************************************************************/
/* The constructor: build the list of sheets from aSheet.
* If aSheet == NULL (default) build the whole list of sheets in hierarchy
* So usually call it with no param.
*/
SCH_SHEET_LIST::SCH_SHEET_LIST( SCH_SHEET* aSheet )
{
m_index = 0;
m_count = 0;
m_List = NULL;
if( aSheet == NULL )
aSheet = g_RootSheet;
BuildSheetList( aSheet );
}
/** Function GetFirst
* @return the first item (sheet) in m_List and prepare calls to GetNext()
*/
SCH_SHEET_PATH* SCH_SHEET_LIST::GetFirst()
{
m_index = 0;
if( GetCount() > 0 )
return &( m_List[0] );
return NULL;
}
/** Function GetNext
* @return the next item (sheet) in m_List or NULL if no more item in sheet
* list
*/
SCH_SHEET_PATH* SCH_SHEET_LIST::GetNext()
{
if( m_index < GetCount() )
m_index++;
return GetSheet( m_index );
}
/** Function GetSheet
* @return the item (sheet) in aIndex position in m_List or NULL if less than
* index items
* @param aIndex = index in sheet list to get the sheet
*/
SCH_SHEET_PATH* SCH_SHEET_LIST::GetSheet( int aIndex )
{
if( aIndex < GetCount() )
return &( m_List[aIndex] );
return NULL;
}
/** Function BuildSheetList
* Build the list of sheets and their sheet path from the aSheet sheet
* if aSheet = g_RootSheet, the full sheet path list (and full sheet list) is
* built
* @param aSheet = the starting sheet to build list
*/
void SCH_SHEET_LIST::BuildSheetList( SCH_SHEET* aSheet )
{
if( m_List == NULL )
{
int count = aSheet->CountSheets();
m_count = count;
m_index = 0;
count *= sizeof(SCH_SHEET_PATH);
/* @bug - MyZMalloc() can return a NULL pointer if there is not enough
* memory. This code continues on it's merry way with out
* checking to see if the memory was actually allocated.
*/
m_List = (SCH_SHEET_PATH*) MyZMalloc( count );
m_currList.Clear();
}
m_currList.Push( aSheet );
m_List[m_index] = m_currList;
m_index++;
if( aSheet->m_AssociatedScreen != NULL )
{
EDA_BaseStruct* strct = m_currList.LastDrawList();
while( strct )
{
if( strct->Type() == DRAW_SHEET_STRUCT_TYPE )
{
SCH_SHEET* sheet = (SCH_SHEET*) strct;
BuildSheetList( sheet );
}
strct = strct->Next();
}
}
m_currList.Pop();
}