kicad/include/kicad_string.h

245 lines
7.9 KiB
C++

/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2004, 2019 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
*/
/**
* @file kicad_string.h
* @see common.h, string.cpp
*/
#ifndef KICAD_STRING_H_
#define KICAD_STRING_H_
#include "config.h"
#include <wx/string.h>
#include <wx/filename.h>
/**
* Escape/Unescape routines to safely encode reserved-characters in various
* contexts.
*/
enum ESCAPE_CONTEXT
{
CTX_NETNAME,
CTX_LIBID,
CTX_QUOTED_STR,
CTX_DELIMITED_STR,
CTX_FILENAME
};
wxString EscapeString( const wxString& aSource, ESCAPE_CONTEXT aContext );
wxString UnescapeString( const wxString& aSource );
/**
* Copy bytes from @a aSource delimited string segment to @a aDest buffer.
*
* The extracted string will be null terminated even if truncation is necessary
* because aDestSize was not large enough.
*
* @param aDest is the destination byte buffer.
* @param aSource is the source bytes as a C string.
* @param aDestSize is the size of the destination byte buffer.
* @return int - the number of bytes read from source, which may be more than
* the number copied, due to escaping of double quotes and the escape byte itself.
* @deprecated should use the one which fetches a wxString, below.
*/
int ReadDelimitedText( char* aDest, const char* aSource, int aDestSize );
/**
* Copy bytes from @a aSource delimited string segment to @a aDest wxString.
*
* @param aDest is the destination wxString
* @param aSource is the source C string holding utf8 encoded bytes.
* @return int - the number of bytes read from source, which may be more than
* the number copied, due to escaping of double quotes and the escape byte itself.
*/
int ReadDelimitedText( wxString* aDest, const char* aSource );
/**
* Function EscapedUTF8
* returns an 8 bit UTF8 string given aString in unicode form.
* Any double quoted or back slashes are prefixed with a '\\' byte and the form
* of this UTF8 byte string is compatible with function ReadDelimitedText().
*
* @param aString is the input string to convert.
* @return std::string - the escaped input text, without the wrapping double quotes.
*/
std::string EscapedUTF8( wxString aString );
/**
* Return a new wxString escaped for embedding in HTML.
*/
wxString EscapedHTML( const wxString& aString );
/**
* Read one line line from \a aFile.
*
* @return a pointer the first useful line read by eliminating blank lines and comments.
*/
char* GetLine( FILE* aFile, char* Line, int* LineNum = NULL, int SizeLine = 255 );
/**
* Remove leading and training spaces, tabs and end of line chars in \a text
*
* @return a pointer on the first n char in text
*/
char* StrPurge( char* text );
/**
* @return a string giving the current date and time.
*/
wxString DateAndTime();
/**
* Compare two strings with alphanumerical content.
*
* This function is equivalent to strncmp() or strncasecmp() if \a aIgnoreCase is true
* except that strings containing numbers are compared by their integer value not
* by their ASCII code. In other words U10 would be greater than U2.
*
* @param aString1 A wxString reference to the reference string.
* @param aString2 A wxString reference to the comparison string.
* @param aIgnoreCase Use true to make the comparison case insensitive.
* @return An integer value of -1 if \a aString1 is less than \a aString2, 0 if
* \a aString1 is equal to \a aString2, or 1 if \a aString1 is greater
* than \a aString2.
*/
int StrNumCmp( const wxString& aString1, const wxString& aString2, bool aIgnoreCase = false );
/**
* Compare a string against wild card (* and ?) pattern using the usual rules.
*
* @return true if pattern matched otherwise false.
*/
bool WildCompareString( const wxString& pattern,
const wxString& string_to_tst,
bool case_sensitive = true );
/**
* Compare strings like the strcmp function but handle numbers and modifiers within the
* string text correctly for sorting. eg. 1mF > 55uF
*
* @return -1 if first string is less than the second, 0 if the strings are equal, or
* 1 if the first string is greater than the second.
*/
int ValueStringCompare( wxString strFWord, wxString strSWord );
/**
* Breaks a string into three parts: he alphabetic preamble, the numeric part, and any
* alphabetic ending.
*
* For example C10A is split to C 10 A
*/
int SplitString( wxString strToSplit,
wxString* strBeginning,
wxString* strDigits,
wxString* strEnd );
/**
* Gets the trailing int, if any, from a string.
*
* @param aStr the string to check
* @return the trailing int or 0 if none found
*/
int GetTrailingInt( const wxString& aStr );
/**
* @return a wxString object containing the illegal file name characters for all platforms.
*/
wxString GetIllegalFileNameWxChars();
/**
* Checks \a aName for illegal file name characters.
*
* The Windows (DOS) file system forbidden characters already include the forbidden file
* name characters for both Posix and OSX systems. The characters \/?*|"\<\> are illegal
* and are replaced with %xx where xx the hexadecimal equivalent of the replaced character.
* This replacement may not be as elegant as using an underscore ('_') or hyphen ('-') but
* it guarantees that there will be no naming conflicts when fixing footprint library names.
* however, if aReplaceChar is given, it will replace the illegal chars
*
* @param aName is a point to a std::string object containing the footprint name to verify.
* @param aReplaceChar (if not 0) is the replacement char.
* @return true if any characters have been replaced in \a aName.
*/
bool ReplaceIllegalFileNameChars( std::string* aName, int aReplaceChar = 0 );
bool ReplaceIllegalFileNameChars( wxString& aName, int aReplaceChar = 0 );
#ifndef HAVE_STRTOKR
// common/strtok_r.c optionally:
extern "C" char* strtok_r( char* str, const char* delim, char** nextp );
#endif
/**
* A helper for sorting strings from the rear. Useful for things like 3d model names
* where they tend to be largely repetitious at the front.
*/
struct rsort_wxString
{
bool operator() (const wxString& strA, const wxString& strB ) const
{
wxString::const_reverse_iterator sA = strA.rbegin();
wxString::const_reverse_iterator eA = strA.rend();
wxString::const_reverse_iterator sB = strB.rbegin();
wxString::const_reverse_iterator eB = strB.rend();
if( strA.empty() )
{
if( strB.empty() )
return false;
// note: this rule implies that a null string is first in the sort order
return true;
}
if( strB.empty() )
return false;
while( sA != eA && sB != eB )
{
if( (*sA) == (*sB) )
{
++sA;
++sB;
continue;
}
if( (*sA) < (*sB) )
return true;
else
return false;
}
if( sB == eB )
return false;
return true;
}
};
#endif // KICAD_STRING_H_