#include <string.h>
#include <iostream.h>
-#include <Rational.h>
-
+#include "arithmetic-operator.hh"
+#include "fproto.hh"
#include "string-handle.hh"
+/* Libg++ also has a String class. Programming errors can lead to
+ confusion about which String is in use. Uncomment the following if you have
+ unexplained crashes after mucking with String
+ */
+
+// #define String FlowerString
+
/**
Intuitive string class. provides
protected:
String_handle strh_;
- bool null_terminated();
+ bool null_terminated ();
public:
/** init to empty string. This is needed because other
constructors are provided.*/
- String() { }
- String (Rational);
+ String ();
/// String s = "abc";
String (char const* source);
String (Byte const* byte_C, int length_i);
- /// "ccccc"
- String (char c, int n = 1);
+ /// return "new"-ed copy of contents
+ Byte* copy_byte_p () const;
+ char* copy_ch_p() const;
- String (int i , char const *fmt=0);
- String ( double f , char const* fmt =0);
- /// 'true' or 'false'
- String (bool);
+ char const* ch_C () const;
+ Byte const* byte_C () const;
+ char* ch_l ();
+ Byte* byte_l ();
- /// return a "new"-ed copy of contents
- Byte* copy_byte_p() const; // return a "new"-ed copy of contents
-
- char const* ch_C() const;
- Byte const* byte_C() const;
- char* ch_l();
- Byte* byte_l();
-
- /// deprecated; use ch_C()
- operator char const*() const { return ch_C(); }
-
- String &operator =( String const & source);
+ String &operator =(String const & source);
/// concatenate s
void operator += (char const* s) { strh_ += s; }
void operator += (String s);
- operator bool ()
+ bool empty_b () const;
+#if 0
+ /** is the string empty?
+
+ Ugh-ugh-thank-you-cygnus. W32 barfs on this
+ */
+ operator bool () const;
{
- return length_i ();
+ return length_i ();
}
+#endif
void append (String);
void prepend (String);
- char operator []( int n) const { return strh_[n]; }
+ /**
+ Return a char. UNSAFE because it may change strlen () result
+ */
+ char &operator [](int n);
+ char operator [](int n) const;
/// return n leftmost chars
String left_str (int n) const;
String right_str (int n) const;
/// return uppercase of *this
- String upper_str() const;
+ String upper_str () const;
/// return lowercase of *this
- String lower_str() const;
+ String lower_str () const;
/// return the "esrever" of *this
- String reversed_str() const;
-
+ String reversed_str () const;
/// return a piece starting at index_i (first char = index_i 0), length n
- String mid_str (int index_i, int n) const;
+ String cut_str (int index_i, int n) const;
/// cut out a middle piece, return remainder
String nomid_str (int index_i, int n) const;
/// index of rightmost c
int index_last_i (char c) const;
- /// index of rightmost element of string
+ /// index of rightmost element of string (???)
int index_last_i (char const* string) const;
+ /// index of leftmost #c#
int index_i (char c) const;
+
+ /// index of leftmost occurance of STRING
int index_i (String) const;
+
+
int index_any_i (String) const;
- void to_upper();
- void to_lower();
+ void to_upper ();
+ void to_lower ();
+
/// provide Stream output
void print_on (ostream& os) const;
/// the length of the string
- int length_i() const;
-
- // ***** depreciated
- int len() const {
- return length_i();
- }
+ int length_i () const;
/// convert to an integer
- int value_i() const;
+ int value_i () const;
/// convert to a double
- double value_f() const;
+ double value_f () const;
};
-#include "compare.hh"
+/*
+ better to clutter global namespace, than suffer *ugh, ugh, ugh*
+ implicit conversions.
+
+ it might be cool to have no type-checking at all in a language,
+ but once there is, having this silently circumvented is a nightmare.
+ whenever implicit conversions seem necessary (e.g. operator << ()),
+ use Scalar as the generic type iso String.
+ */
+
+/// for completeness (=handy)
+inline String to_str (String s) { return s; }
+/// "cccc"
+String to_str (char c, int n = 1);
+String to_str (int i, char const* format = 0);
+String to_str (double f , char const* format = 0);
+String to_str (bool b);
+String to_str (char const* format, ... );
+
+/*
+ technically incorrect, but lets keep it here: this is a
+ catch all place for this stuff.
+ */
+
+#include "international.hh"
+
+
+#include "compare.hh"
INSTANTIATE_COMPARE(String const &, String::compare_i);
+#ifdef STRING_UTILS_INLINED
+#ifndef INLINE
+#define INLINE inline
+#endif
+#include "string.icc"
+/* we should be resetting INLINE. oh well. */
+#endif
+
+
// because char const* also has an operator ==, this is for safety:
-inline bool operator==(String s1, char const* s2){
+inline bool operator==(String s1, char const* s2)
+{
return s1 == String (s2);
}
inline bool operator==(char const* s1, String s2)
return String (s2) !=s1;
}
-
-inline String
-operator + (String s1, String s2)
-{
- s1 += s2;
- return s1;
-}
+IMPLEMENT_ARITHMETIC_OPERATOR (String, +);
inline ostream &
-operator << ( ostream& os, String d)
+operator << (ostream& os, String d)
{
d.print_on (os);
return os;
}
+
+
#endif