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kicad/include/fp_lib_table.h

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2010-12 SoftPLC Corporation, Dick Hollenbeck <dick@softplc.com>
* Copyright (C) 2012 Wayne Stambaugh <stambaughw@verizon.net>
* Copyright (C) 2012 KiCad Developers, see change_log.txt for contributors.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifndef FP_LIB_TABLE_H_
#define FP_LIB_TABLE_H_
#include <macros.h>
#include <vector>
#include <map>
#include <io_mgr.h>
#include <project.h>
#define FP_LATE_ENVVAR 1 ///< late=1/early=0 environment variable expansion
class wxFileName;
class OUTPUTFORMATTER;
class MODULE;
class FP_LIB_TABLE_LEXER;
class NETLIST;
class REPORTER;
class SEARCH_STACK;
/**
* Class FP_LIB_TABLE
* holds FP_LIB_TABLE::ROW records (rows), and can be searched based on library nickName.
* <p>
* This class owns the <b>footprint library table</b>, which is like fstab in concept and maps
* logical library name to the library URI, type, and options. It is heavily based on the SWEET
* parser work done by Dick Hollenbeck and can be seen in new/sch_lib_table.h. A footprint
* library table had the following columns:
* <ul>
* <li> Logical Library Name (Nickname)
* <li> Library Type, used to determine which plugin to load to access the library.
* <li> Library URI. The full URI to the library source, form dependent on Type.
* <li> Options, used for as yet to be defined information such as user names or passwords
* </ul>
* <p>
* The Library Type can be one of:
* <ul>
* <li> "file"
* <li> "ftp"
* <li> "http"
* </ul>
* <p>
* For now, the Library URI types needed to support the various types can be one of those
* shown below, which are typical of each type:
* <ul>
* <li> "file://C:/mylibdir"
* <li> "ftp://kicad.org/partlib/trunk"
* <li> "http://kicad.org/partlib"
* </ul>
* <p>
* The footprint library table is built up from several additive entries (table fragments),
* and the final table is a (conceptual) merging of the table fragments. Two
* anticipated sources of the entries are a personal table saved in the KiCad configuration
* and a project resident table that resides in project file. The project footprint table
* entries are considered a higher priority in the final dynamically assembled library table.
* An row in the project file contribution to the library table takes precedence over the
* personal table if there is a collision of logical library names. Otherwise, the entries
* simply combine without issue to make up the applicable library table.
*
* @author Wayne Stambaugh
*/
class FP_LIB_TABLE : public PROJECT::_ELEM
{
friend class DIALOG_FP_LIB_TABLE;
public:
/**
* Class ROW
* holds a record identifying a footprint library accessed by the appropriate #PLUGIN
* object in the #FP_LIB_TABLE.
*/
class ROW
{
friend class FP_LIB_TABLE;
friend class DIALOG_FP_LIB_TABLE;
public:
typedef IO_MGR::PCB_FILE_T LIB_T;
ROW() :
type( IO_MGR::KICAD ),
properties( 0 )
{
}
ROW( const wxString& aNick, const wxString& aURI, const wxString& aType,
const wxString& aOptions, const wxString& aDescr = wxEmptyString ) :
nickName( aNick ),
description( aDescr ),
properties( 0 )
{
SetOptions( aOptions ),
SetFullURI( aURI );
SetType( aType );
}
ROW( const ROW& a );
~ROW()
{
delete properties;
}
ROW& operator=( const ROW& r );
/// Used in DIALOG_FP_LIB_TABLE for detecting an edit.
bool operator==( const ROW& r ) const;
bool operator!=( const ROW& r ) const { return !( *this == r ); }
//-----<accessors>------------------------------------------------------
/**
* Function GetNickName
* returns the short name of this library table row.
*/
const wxString& GetNickName() const { return nickName; }
/**
* Function SetNickName
* changes the logical name of this library, useful for an editor.
*/
void SetNickName( const wxString& aNickName ) { nickName = aNickName; }
/**
* Function GetType
* returns the type of LIB represented by this row.
*/
const wxString GetType() const { return IO_MGR::ShowType( type ); }
/**
* Function SetType
* changes the type represented by this row.
*/
void SetType( const wxString& aType );
/**
* Function GetFullURI
* returns the full location specifying URI for the LIB, either in original
* UI form or in environment variable expanded form.
*
* @param aSubstituted Tells if caller wanted the substituted form, else not.
*/
const wxString GetFullURI( bool aSubstituted = false ) const;
/**
* Function SetFullURI
* changes the full URI for the library.
*/
void SetFullURI( const wxString& aFullURI );
/**
* Function GetOptions
* returns the options string, which may hold a password or anything else needed to
* instantiate the underlying LIB_SOURCE.
*/
const wxString& GetOptions() const { return options; }
/**
* Function SetOptions
*/
void SetOptions( const wxString& aOptions )
{
options = aOptions;
// set PROPERTIES* from options
setProperties( ParseOptions( TO_UTF8( aOptions ) ) );
}
/**
* Function GetDescr
* returns the description of the library referenced by this row.
*/
const wxString& GetDescr() const { return description; }
/**
* Function SetDescr
* changes the description of the library referenced by this row.
*/
void SetDescr( const wxString& aDescr ) { description = aDescr; }
/**
* Function GetProperties
* returns the constant PROPERTIES for this library (ROW). These are
* the "options" in a table.
*/
const PROPERTIES* GetProperties() const { return properties; }
//-----</accessors>-----------------------------------------------------
/**
* Function Format
* serializes this object as utf8 text to an OUTPUTFORMATTER, and tries to
* make it look good using multiple lines and indentation.
* @param out is an #OUTPUTFORMATTER
* @param nestLevel is the indentation level to base all lines of the output.
* Actual indentation will be 2 spaces for each nestLevel.
*/
void Format( OUTPUTFORMATTER* out, int nestLevel ) const
throw( IO_ERROR );
private:
/**
* Function setProperties
* sets this ROW's PROPERTIES by taking ownership of @a aProperties.
* @param aProperties ownership is given over to this ROW.
*/
void setProperties( const PROPERTIES* aProperties )
{
delete properties;
properties = aProperties;
}
void setPlugin( PLUGIN* aPlugin )
{
plugin.set( aPlugin );
}
wxString nickName;
wxString uri_user; ///< what user entered from UI or loaded from disk
#if !FP_LATE_ENVVAR
wxString uri_expanded; ///< from ExpandSubstitutions()
#endif
LIB_T type;
wxString options;
wxString description;
const PROPERTIES* properties;
PLUGIN::RELEASER plugin;
};
/**
* Constructor FP_LIB_TABLE
* builds a library table by pre-pending this table fragment in front of
* @a aFallBackTable. Loading of this table fragment is done by using Parse().
*
* @param aFallBackTable is another FP_LIB_TABLE which is searched only when
* a row is not found in this table. No ownership is
* taken of aFallBackTable.
*/
FP_LIB_TABLE( FP_LIB_TABLE* aFallBackTable = NULL );
/// Delete all rows.
void Clear()
{
rows.clear();
nickIndex.clear();
}
bool operator==( const FP_LIB_TABLE& r ) const
{
if( rows.size() == r.rows.size() )
{
unsigned i;
for( i = 0; i < rows.size() && rows[i] == r.rows[i]; ++i )
;
if( i == rows.size() )
return true;
}
return false;
}
bool operator!=( const FP_LIB_TABLE& r ) const { return !( *this == r ); }
int GetCount() { return rows.size(); }
ROW& At( int aIndex ) { return rows[aIndex]; }
/**
* Function Parse
* fills this table fragment from information in the input stream \a aParser, which
* is a DSNLEXER customized for the grammar needed to describe instances of this object.
* The entire textual element spec is <br>
*
* <pre>
* (fp_lib_table
* (lib (name LOGICAL)(descr DESCRIPTION)(uri FULL_URI)(type TYPE)(options OPTIONS))
* (lib (name LOGICAL)(descr DESCRIPTION)(uri FULL_URI)(type TYPE)(options OPTIONS))
* (lib (name LOGICAL)(descr DESCRIPTION)(uri FULL_URI)(type TYPE)(options OPTIONS))
* )
* </pre>
*
* When this function is called, the input token stream given by \a aParser
* is assumed to be positioned at the '^' in the following example, i.e. just
* after the identifying keyword and before the content specifying stuff.
* <br>
* (lib_table ^ (....) )
*
* @param aParser is the input token stream of keywords and symbols.
*/
void Parse( FP_LIB_TABLE_LEXER* aParser ) throw( IO_ERROR, PARSE_ERROR );
/**
* Function ParseOptions
* parses @a aOptionsList and places the result into a PROPERTIES object
* which is returned. If the options field is empty, then the returned PROPERTIES
* will be a NULL pointer.
* <p>
* Typically aOptionsList comes from the "options" field within a ROW and
* the format is simply a comma separated list of name value pairs. e.g.:
* [name1[=value1][|name2[=value2]]] etc. When using the UI to create or edit
* a fp lib table, this formatting is handled for you.
*/
static PROPERTIES* ParseOptions( const std::string& aOptionsList );
/**
* Function FormatOptions
* returns a list of options from the aProperties parameter. The name=value
* pairs will be separted with the '|' character. The =value portion may not
* be present. You might expect something like "name1=value1|name2=value2|flag_me".
* Notice that flag_me does not have a value. This is ok.
*
* @param aProperties is the PROPERTIES to format or NULL. If NULL the returned
* string will be empty.
*/
static UTF8 FormatOptions( const PROPERTIES* aProperties );
/**
* Function Format
* serializes this object as utf8 text to an #OUTPUTFORMATTER, and tries to
* make it look good using multiple lines and indentation.
*
* @param out is an #OUTPUTFORMATTER
* @param nestLevel is the indentation level to base all lines of the output.
* Actual indentation will be 2 spaces for each nestLevel.
*/
void Format( OUTPUTFORMATTER* out, int nestLevel ) const throw( IO_ERROR );
/**
* Function GetLogicalLibs
* returns the logical library names, all of them that are pertinent to
* a lookup done on this FP_LIB_TABLE.
*/
std::vector<wxString> GetLogicalLibs();
//-----<PLUGIN API SUBSET, REBASED ON aNickname>---------------------------
/**
* Function FootprintEnumerate
* returns a list of footprint names contained within the library given by
* @a aNickname.
*
* @param aNickname is a locator for the "library", it is a "name"
* in FP_LIB_TABLE::ROW
*
* @return wxArrayString - is the array of available footprint names inside
* a library
*
* @throw IO_ERROR if the library cannot be found, or footprint cannot be loaded.
*/
wxArrayString FootprintEnumerate( const wxString& aNickname );
/**
* Function FootprintLoad
* loads a footprint having @a aFootprintName from the library given by @a aNickname.
*
* @param aNickname is a locator for the "library", it is a "name"
* in FP_LIB_TABLE::ROW
*
* @param aFootprintName is the name of the footprint to load.
*
* @return MODULE* - if found caller owns it, else NULL if not found.
*
* @throw IO_ERROR if the library cannot be found or read. No exception
* is thrown in the case where aFootprintName cannot be found.
*/
MODULE* FootprintLoad( const wxString& aNickname, const wxString& aFootprintName );
/**
* Enum SAVE_T
* is the set of return values from FootprintSave() below.
*/
enum SAVE_T
{
SAVE_OK,
SAVE_SKIPPED,
};
/**
* Function FootprintSave
* will write @a aFootprint to an existing library given by @a aNickname.
* If a footprint by the same name already exists, it is replaced.
*
* @param aNickname is a locator for the "library", it is a "name"
* in FP_LIB_TABLE::ROW
*
* @param aFootprint is what to store in the library. The caller continues
* to own the footprint after this call.
*
* @param aOverwrite when true means overwrite any existing footprint by the
* same name, else if false means skip the write and return SAVE_SKIPPED.
*
* @return SAVE_T - SAVE_OK or SAVE_SKIPPED. If error saving, then IO_ERROR is thrown.
*
* @throw IO_ERROR if there is a problem saving.
*/
SAVE_T FootprintSave( const wxString& aNickname, const MODULE* aFootprint, bool aOverwrite = true );
/**
* Function FootprintDelete
* deletes the @a aFootprintName from the library given by @a aNickname.
*
* @param aNickname is a locator for the "library", it is a "name"
* in FP_LIB_TABLE::ROW
*
* @param aFootprintName is the name of a footprint to delete from the specified library.
*
* @throw IO_ERROR if there is a problem finding the footprint or the library, or deleting it.
*/
void FootprintDelete( const wxString& aNickname, const wxString& aFootprintName );
/**
* Function IsFootprintLibWritable
* returns true iff the library given by @a aNickname is writable. (Often
* system libraries are read only because of where they are installed.)
*
* @throw IO_ERROR if no library at aLibraryPath exists.
*/
bool IsFootprintLibWritable( const wxString& aNickname );
void FootprintLibDelete( const wxString& aNickname );
void FootprintLibCreate( const wxString& aNickname );
//-----</PLUGIN API SUBSET, REBASED ON aNickname>---------------------------
/**
* Function GetDescription
* returns the library desicription from @a aNickname, or an empty string
* if aNickname does not exist.
*/
const wxString GetDescription( const wxString& aNickname );
/**
* Function InsertRow
* adds aRow if it does not already exist or if doReplace is true. If doReplace
* is not true and the key for aRow already exists, the function fails and returns false.
* The key for the table is the nickName, and all in this table must be unique.
* @param aRow is the new row to insert, or to forcibly add if doReplace is true.
* @param doReplace if true, means insert regardless of whether aRow's key already
* exists. If false, then fail if the key already exists.
* @return bool - true if the operation succeeded.
*/
bool InsertRow( const ROW& aRow, bool doReplace = false );
/**
* Function FindRow
* returns a ROW if aNickName is found in this table or in any chained
* fallBack table fragment. The PLUGIN is loaded and attached
* to the "plugin" field of the ROW if not already loaded.
*
* @throw IO_ERROR if aNickName cannot be found.
*/
const ROW* FindRow( const wxString& aNickName ) throw( IO_ERROR );
/**
* Function FindRowByURI
* returns a #FP_LIB_TABLE::ROW if aURE is found in this table or in any chained
* fallBack table fragments, else NULL.
*/
const ROW* FindRowByURI( const wxString& aURI );
/**
* Function IsEmpty
* @param aIncludeFallback is used to determine if the fallback table should be
* included in the test.
* @return true if the footprint library table is empty.
*/
bool IsEmpty( bool aIncludeFallback = true );
/**
* Function ConvertFromLegacy
* converts the footprint names in \a aNetList from the legacy format to the #FPID format.
*
* @param aNetList is the #NETLIST object to convert.
* @param aLibNames is the list of legacy footprint library names from the currently loaded
* project.
* @param aReporter is the #REPORTER object to dump messages into.
* @return true if all footprint names were successfully converted to a valid FPID.
*/
bool ConvertFromLegacy( SEARCH_STACK& aSStack, NETLIST& aNetList,
const wxArrayString& aLibNames, REPORTER* aReporter = NULL ) throw( IO_ERROR );
/**
* Function ExpandSubstitutions
* replaces any environment variable references with their values and is
* here to fully embellish the ROW::uri in a platform independent way.
* This enables (fp_lib_table)s to have platform dependent environment
* variables in them, allowing for a uniform table across platforms.
*/
static const wxString ExpandSubstitutions( const wxString& aString );
/**
* Function LoadGlobalTable
* loads the global footprint library table into \a aTable.
*
* This probably should be move into the application object when KiCad is changed
* to a single process application. This is the least painful solution for the
* time being.
*
* @param aTable the #FP_LIB_TABLE object to load.
* @return true if the global library table exists and is loaded properly.
* @throw IO_ERROR if an error occurs attempting to load the footprint library
* table.
*/
static bool LoadGlobalTable( FP_LIB_TABLE& aTable ) throw (IO_ERROR, PARSE_ERROR );
/**
* Function GetGlobalTableFileName
* @return the platform specific global footprint library path and file name.
*/
static wxString GetGlobalTableFileName();
#if 0
/**
* Function GetFileName
* @return the footprint library file name.
*/
static const wxString GetFileName();
#endif
/**
* Function GlobalPathEnvVarVariableName
* returns the name of the environment variable used to hold the directory of
* locally installed "KiCad sponsored" system footprint libraries. These can
* be either legacy or pretty format. The only thing special about this
* particular environment variable is that it is set automatically by
* KiCad on program startup, <b>iff</b> it is not set already in the environment.
*/
static const wxString GlobalPathEnvVariableName();
/**
* Function Load
* loads the footprint library table using the path defined in \a aFileName with
* \a aFallBackTable.
*
* @param aFileName contains the full path to the s-expression file.
*
* @throw IO_ERROR if an error occurs attempting to load the footprint library
* table.
*/
void Load( const wxString& aFileName ) throw( IO_ERROR );
/**
* Function Save
* writes this table to aFileName in s-expression form.
* @param aFileName is the name of the file to write to.
*/
void Save( const wxString& aFileName ) const throw( IO_ERROR );
protected:
/**
* Function findRow
* returns a ROW if aNickname is found in this table or in any chained
* fallBack table fragment, else NULL.
*/
ROW* findRow( const wxString& aNickname ) const;
void reindex()
{
nickIndex.clear();
for( ROWS_CITER it = rows.begin(); it != rows.end(); ++it )
nickIndex.insert( INDEX_VALUE( it->nickName, it - rows.begin() ) );
}
void ensureIndex()
{
// The dialog lib table editor may not maintain the nickIndex.
// Lazy indexing may be required. To handle lazy indexing, we must enforce
// that "nickIndex" is either empty or accurate, but never inaccurate.
if( !nickIndex.size() )
reindex();
}
typedef std::vector<ROW> ROWS;
typedef ROWS::iterator ROWS_ITER;
typedef ROWS::const_iterator ROWS_CITER;
ROWS rows;
/// this is a non-owning index into the ROWS table
typedef std::map<wxString,int> INDEX; // "int" is std::vector array index
typedef INDEX::iterator INDEX_ITER;
typedef INDEX::const_iterator INDEX_CITER;
typedef INDEX::value_type INDEX_VALUE;
/// this particular key is the nickName within each row.
INDEX nickIndex;
FP_LIB_TABLE* fallBack;
};
extern FP_LIB_TABLE GFootprintTable; // KIFACE scope.
#endif // FP_LIB_TABLE_H_
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