77 lines
3.0 KiB
C++
77 lines
3.0 KiB
C++
#ifndef cwText_H
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#define cwText_H
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namespace cw
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{
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// Return 0 if s is null.
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unsigned textLength( const char* s );
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void textToLower( char* s );
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void textToUpper( char* s );
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// Note: if both s0 and s1 are nullptr then a match is indicated
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int textCompare( const char* s0, const char* s1 );
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int textCompare( const char* s0, const char* s1, unsigned n);
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inline bool textIsEqual( const char* s0, const char* s1 ) { return textCompare(s0,s1) == 0; }
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inline bool textIsEqual( const char* s0, const char* s1, unsigned n ) { return textCompare(s0,s1,n) == 0; }
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inline bool textIsNotEqual( const char* s0, const char* s1 ) { return !textIsEqual(s0,s1); }
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inline bool textIsNotEqual( const char* s0, const char* s1, unsigned n ) { return !textIsEqual(s0,s1,n); }
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// Return a pointer to the next white space char
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// or nullptr if 's' is null are there are no whitespace char's.
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const char* nextWhiteChar( const char* s );
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// Return a pointer to the next white space char,
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// a pointer to the EOS if there are no white space char's,
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// or nullptr if 's' is null.
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const char* nextWhiteCharEOS( const char* s );
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// Return a pointer to the next non-white space char
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// or nullptr if 's' is null are there are no non-whitespace char's.
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const char* nextNonWhiteChar( const char* s );
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// Return a pointer to the next non-white space char,
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// a pointer to the EOS if there are no non-white space char's,
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// or nullptr if 's' is null.
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const char* nextNonWhiteCharEOS( const char* s );
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// Return a pointer to the first occurrence of 'c' in s[] or nullptr
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// if 'c' does not occur in s[]
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const char* firstMatchChar( const char* s, char c );
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// Find the last occurrent of 'c' in s[].
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const char* lastMatchChar( const char* s, char c );
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bool isInteger( const char* ); // text contains only [0-9]
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bool isReal( const char* ); // text contains only [0-9] with one decimal place
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bool isIdentifier( const char* ); // text is a legal id [0-9,A-Z,a-z,_] w/o leading number
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// Join s0 and s1 to form one long string. Release the returned string with mem::free()
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char* textJoin( const char* s0, const char* s1 );
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// Realloc s0 and append s1.
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char* textAppend( char* s0, const char* s1 );
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unsigned toText( char* buf, unsigned bufN, bool v );
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unsigned toText( char* buf, unsigned bufN, unsigned char v );
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unsigned toText( char* buf, unsigned bufN, char v );
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unsigned toText( char* buf, unsigned bufN, unsigned short v );
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unsigned toText( char* buf, unsigned bufN, short v );
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unsigned toText( char* buf, unsigned bufN, unsigned int v );
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unsigned toText( char* buf, unsigned bufN, int v );
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unsigned toText( char* buf, unsigned bufN, unsigned long long v );
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unsigned toText( char* buf, unsigned bufN, long long v );
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unsigned toText( char* buf, unsigned bufN, float v );
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unsigned toText( char* buf, unsigned bufN, double v );
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unsigned toText( char* buf, unsigned bufN, const char* v );
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}
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#endif
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