417 lines
9.4 KiB
C++
417 lines
9.4 KiB
C++
/**
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* @file string.cpp
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* @brief Some useful functions to handle strings.
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*/
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#include <fctsys.h>
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#include <macros.h>
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#include <kicad_string.h>
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int ReadDelimitedText( wxString* aDest, const char* aSource )
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{
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std::string utf8; // utf8 but without escapes and quotes.
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bool inside = false;
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const char* start = aSource;
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char cc;
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while( (cc = *aSource++) != 0 )
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{
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if( cc == '"' )
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{
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if( inside )
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break; // 2nd double quote is end of delimited text
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inside = true; // first delimiter found, make note, do not copy
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}
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else if( inside )
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{
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if( cc == '\\' )
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{
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cc = *aSource++;
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if( !cc )
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break;
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// do no copy the escape byte if it is followed by \ or "
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if( cc != '"' && cc != '\\' )
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utf8 += '\\';
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utf8 += cc;
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}
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else
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{
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utf8 += cc;
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}
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}
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}
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*aDest = FROM_UTF8( utf8.c_str() );
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return aSource - start;
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}
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int ReadDelimitedText( char* aDest, const char* aSource, int aDestSize )
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{
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if( aDestSize <= 0 )
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return 0;
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bool inside = false;
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const char* start = aSource;
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char* limit = aDest + aDestSize - 1;
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char cc;
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while( (cc = *aSource++) != 0 && aDest < limit )
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{
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if( cc == '"' )
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{
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if( inside )
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break; // 2nd double quote is end of delimited text
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inside = true; // first delimiter found, make note, do not copy
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}
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else if( inside )
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{
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if( cc == '\\' )
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{
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cc = *aSource++;
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if( !cc )
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break;
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// do no copy the escape byte if it is followed by \ or "
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if( cc != '"' && cc != '\\' )
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*aDest++ = '\\';
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if( aDest < limit )
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*aDest++ = cc;
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}
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else
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{
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*aDest++ = cc;
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}
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}
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}
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*aDest = 0;
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return aSource - start;
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}
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std::string EscapedUTF8( const wxString& aString )
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{
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std::string utf8 = TO_UTF8( aString );
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std::string ret;
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ret += '"';
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for( std::string::const_iterator it = utf8.begin(); it!=utf8.end(); ++it )
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{
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// this escaping strategy is designed to be compatible with ReadDelimitedText():
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if( *it == '"' )
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{
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ret += '\\';
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ret += '"';
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}
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else if( *it == '\\' )
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{
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ret += '\\'; // double it up
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ret += '\\';
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}
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else
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{
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ret += *it;
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}
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}
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ret += '"';
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return ret;
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}
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char* StrPurge( char* text )
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{
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static const char whitespace[] = " \t\n\r\f\v";
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if( text )
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{
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while( *text && strchr( whitespace, *text ) )
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++text;
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char* cp = text + strlen( text ) - 1;
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while( cp >= text && strchr( whitespace, *cp ) )
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*cp-- = '\0';
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}
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return text;
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}
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char* GetLine( FILE* File, char* Line, int* LineNum, int SizeLine )
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{
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do {
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if( fgets( Line, SizeLine, File ) == NULL )
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return NULL;
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if( LineNum )
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*LineNum += 1;
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} while( Line[0] == '#' || Line[0] == '\n' || Line[0] == '\r' || Line[0] == 0 );
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strtok( Line, "\n\r" );
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return Line;
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}
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wxString DateAndTime()
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{
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wxDateTime datetime = wxDateTime::Now();
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datetime.SetCountry( wxDateTime::Country_Default );
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return datetime.Format( wxDefaultDateTimeFormat, wxDateTime::Local );
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}
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int StrNumCmp( const wxChar* aString1, const wxChar* aString2, int aLength, bool aIgnoreCase )
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{
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int i;
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int nb1 = 0, nb2 = 0;
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if( ( aString1 == NULL ) || ( aString2 == NULL ) )
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return 0;
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for( i = 0; i < aLength; i++ )
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{
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if( isdigit( *aString1 ) && isdigit( *aString2 ) ) /* digit found */
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{
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nb1 = 0;
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nb2 = 0;
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while( isdigit( *aString1 ) )
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{
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nb1 = nb1 * 10 + *aString1 - '0';
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aString1++;
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}
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while( isdigit( *aString2 ) )
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{
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nb2 = nb2 * 10 + *aString2 - '0';
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aString2++;
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}
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if( nb1 < nb2 )
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return -1;
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if( nb1 > nb2 )
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return 1;
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}
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if( aIgnoreCase )
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{
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if( toupper( *aString1 ) < toupper( *aString2 ) )
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return -1;
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if( toupper( *aString1 ) > toupper( *aString2 ) )
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return 1;
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if( ( *aString1 == 0 ) && ( *aString2 == 0 ) )
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return 0;
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}
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else
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{
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if( *aString1 < *aString2 )
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return -1;
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if( *aString1 > *aString2 )
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return 1;
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if( ( *aString1 == 0 ) && ( *aString2 == 0 ) )
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return 0;
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}
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aString1++;
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aString2++;
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}
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return 0;
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}
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bool WildCompareString( const wxString& pattern, const wxString& string_to_tst,
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bool case_sensitive )
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{
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const wxChar* cp = NULL, * mp = NULL;
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const wxChar* wild, * string;
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wxString _pattern, _string_to_tst;
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if( case_sensitive )
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{
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wild = pattern.GetData();
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string = string_to_tst.GetData();
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}
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else
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{
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_pattern = pattern;
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_pattern.MakeUpper();
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_string_to_tst = string_to_tst;
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_string_to_tst.MakeUpper();
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wild = _pattern.GetData();
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string = _string_to_tst.GetData();
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}
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while( ( *string ) && ( *wild != '*' ) )
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{
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if( ( *wild != *string ) && ( *wild != '?' ) )
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return false;
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wild++; string++;
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}
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while( *string )
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{
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if( *wild == '*' )
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{
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if( !*++wild )
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return 1;
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mp = wild;
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cp = string + 1;
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}
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else if( ( *wild == *string ) || ( *wild == '?' ) )
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{
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wild++;
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string++;
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}
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else
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{
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wild = mp;
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string = cp++;
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}
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}
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while( *wild == '*' )
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{
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wild++;
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}
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return !*wild;
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}
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int RefDesStringCompare( const wxString& strFWord, const wxString& strSWord )
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{
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// The different sections of the first string
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wxString strFWordBeg, strFWordMid, strFWordEnd;
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// The different sections of the second string
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wxString strSWordBeg, strSWordMid, strSWordEnd;
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int isEqual = 0; // The numerical results of a string compare
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int iReturn = 0; // The variable that is being returned
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long lFirstDigit = 0; // The converted middle section of the first string
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long lSecondDigit = 0; // The converted middle section of the second string
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// Split the two strings into separate parts
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SplitString( strFWord, &strFWordBeg, &strFWordMid, &strFWordEnd );
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SplitString( strSWord, &strSWordBeg, &strSWordMid, &strSWordEnd );
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// Compare the Beginning section of the strings
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isEqual = strFWordBeg.CmpNoCase( strSWordBeg );
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if( isEqual > 0 )
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iReturn = 1;
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else if( isEqual < 0 )
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iReturn = -1;
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else
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{
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// If the first sections are equal compare their digits
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strFWordMid.ToLong( &lFirstDigit );
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strSWordMid.ToLong( &lSecondDigit );
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if( lFirstDigit > lSecondDigit )
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iReturn = 1;
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else if( lFirstDigit < lSecondDigit )
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iReturn = -1;
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else
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{
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// If the first two sections are equal compare the endings
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isEqual = strFWordEnd.CmpNoCase( strSWordEnd );
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if( isEqual > 0 )
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iReturn = 1;
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else if( isEqual < 0 )
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iReturn = -1;
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else
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iReturn = 0;
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}
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}
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return iReturn;
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}
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int SplitString( wxString strToSplit,
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wxString* strBeginning,
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wxString* strDigits,
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wxString* strEnd )
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{
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// Clear all the return strings
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strBeginning->Empty();
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strDigits->Empty();
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strEnd->Empty();
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// There no need to do anything if the string is empty
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if( strToSplit.length() == 0 )
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return 0;
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// Starting at the end of the string look for the first digit
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int ii;
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for( ii = (strToSplit.length() - 1); ii >= 0; ii-- )
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{
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if( isdigit( strToSplit[ii] ) )
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break;
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}
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// If there were no digits then just set the single string
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if( ii < 0 )
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{
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*strBeginning = strToSplit;
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}
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else
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{
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// Since there is at least one digit this is the trailing string
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*strEnd = strToSplit.substr( ii + 1 );
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// Go to the end of the digits
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int position = ii + 1;
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for( ; ii >= 0; ii-- )
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{
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if( !isdigit( strToSplit[ii] ) )
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break;
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}
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// If all that was left was digits, then just set the digits string
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if( ii < 0 )
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*strDigits = strToSplit.substr( 0, position );
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/* We were only looking for the last set of digits everything else is
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* part of the preamble */
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else
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{
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*strDigits = strToSplit.substr( ii + 1, position - ii - 1 );
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*strBeginning = strToSplit.substr( 0, ii + 1 );
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}
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}
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return 0;
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}
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