--*/
-
+#include <string.h>
+#include <stdio.h>
#include <assert.h>
#include <limits.h>
#include "libc-extension.hh"
#include "string.hh"
#include "string-convert.hh"
+#include "rational.hh"
+#include "array.hh"
/**
- a safe length for stringconversion buffers
+ A safe length for stringconversion buffers.
worst case would be %f printing HUGE (or 1/HUGE), which is approx
2e318, this number would have approx 318 zero's in its string.
*/
static const int STRING_BUFFER_LEN=1024;
+String
+String_convert::bool_str (bool b)
+{
+ return String (b ? "true" : "false");
+}
+
String
String_convert::bin2hex_str (String bin_str)
{
String str;
- Byte const* byte_C = bin_str.byte_C();
- for (int i = 0; i < bin_str.length_i(); i++)
+ Byte const* byte_C = bin_str.byte_C ();
+ for (int i = 0; i < bin_str.length_i (); i++)
{
- str += (char)nibble2hex_byte (*byte_C >> 4);
- str += (char)nibble2hex_byte (*byte_C++);
+ str += to_str ((char)nibble2hex_byte (*byte_C >> 4));
+ str += to_str ((char)nibble2hex_byte (*byte_C++));
}
return str;
}
unsigned
String_convert::bin2_u (String bin_str)
{
- assert (bin_str.length_i() <= (int)sizeof(unsigned));
+ assert (bin_str.length_i () <= (int)sizeof (unsigned));
unsigned result_u = 0;
- for (int i = 0; i < bin_str.length_i(); i++)
+ for (int i = 0; i < bin_str.length_i (); i++)
{
result_u <<= 8;
result_u += (Byte)bin_str[ i ];
int
String_convert::dec2_i (String dec_str)
{
- if (!dec_str.length_i())
+ if (!dec_str.length_i ())
return 0;
long l = 0;
- int conv = sscanf (dec_str.ch_C(), "%ld", &l);
+ int conv = sscanf (dec_str.ch_C (), "%ld", &l);
assert (conv);
return (int)l;
{
char buffer[STRING_BUFFER_LEN];
snprintf (buffer, STRING_BUFFER_LEN,
- (fmt ? fmt : "%Ld"), i64); // assume radix 10
+ (fmt ? fmt : "%Ld"), i64); // assume radix 10
return String (buffer);
}
double
String_convert::dec2_f (String dec_str)
{
- if (!dec_str.length_i())
+ if (!dec_str.length_i ())
return 0;
double d = 0;
- int conv = sscanf (dec_str.ch_C(), "%lf", &d);
+ int conv = sscanf (dec_str.ch_C (), "%lf", &d);
assert (conv);
return d;
}
int
String_convert::hex2bin_i (String hex_str, String& bin_str_r)
{
- if (hex_str.length_i() % 2)
+ if (hex_str.length_i () % 2)
hex_str = "0" + hex_str;
bin_str_r = "";
- Byte const* byte_C= hex_str.byte_C();
+ Byte const* byte_C= hex_str.byte_C ();
int i = 0;
- while (i < hex_str.length_i())
+ while (i < hex_str.length_i ())
{
int high_i = hex2nibble_i (*byte_C++);
int low_i = hex2nibble_i (*byte_C++);
if (high_i < 0 || low_i < 0)
return 1; // illegal char
- bin_str_r += String ((char)(high_i << 4 | low_i), 1 );
+ bin_str_r += to_str ((char) (high_i << 4 | low_i), 1 );
i += 2;
}
return 0;
return -1;
}
-// stupido. Should use int_str()
+// stupido. Should use int_str ()
String
String_convert::i2dec_str (int i, int length_i, char ch)
{
fill_ch = '0';
// ugh
- String dec_str (i);
+ String dec_str = to_str (i);
// ugh
- return String (fill_ch, length_i - dec_str.length_i()) + dec_str;
+ return to_str (fill_ch, length_i - dec_str.length_i ()) + dec_str;
}
-// stupido. Should use int_str()
+// stupido. Should use int_str ()
String
String_convert::u2hex_str (unsigned u, int length_i, char fill_ch)
{
#if 1 // both go...
while (u)
{
- str = String ((char)((u % 16)["0123456789abcdef"] ) ) + str;
+ str = to_str ((char) ((u % 16)["0123456789abcdef"] ) ) + str;
u /= 16;
}
#else
str += int_str (u, "%x"); // hmm. %lx vs. %x -> portability?
#endif
- str = String (fill_ch, length_i - str.length_i()) + str;
- while ((str.length_i() > length_i) && (str[ 0 ] == 'f' ) )
- str = str.cut (2, INT_MAX);
+ str = to_str (fill_ch, length_i - str.length_i ()) + str;
+ while ((str.length_i () > length_i) && (str[ 0 ] == 'f' ) )
+ str = str.cut_str (2, INT_MAX);
return str;
}
{
char buffer[STRING_BUFFER_LEN];
snprintf (buffer, STRING_BUFFER_LEN,
- (fmt ? fmt : "%d"), i); // assume radix 10
+ (fmt ? fmt : "%d"), i); // assume radix 10
+ return String (buffer);
+}
+
+String
+String_convert::form_str (char const* format, ...)
+{
+ va_list args;
+ va_start (args, format);
+ char buffer[STRING_BUFFER_LEN];
+ vsnprintf (buffer, STRING_BUFFER_LEN, format, args);
+ va_end (args);
+ return String (buffer);
+}
+
+String
+String_convert::vform_str (char const* format, va_list args)
+{
+ char buffer[STRING_BUFFER_LEN];
+ vsnprintf (buffer, STRING_BUFFER_LEN, format, args);
return String (buffer);
}
char* ch_p = new char[ n ];
memset (ch_p, c, n);
String s ((Byte*)ch_p, n);
- delete ch_p;
+ delete[] ch_p;
return s;
}
String
String_convert::rational_str (Rational r)
{
- char * n = Itoa (r.numerator()); // LEAK????
-
- String s = n;
- if (r.denominator() != 1)
- {
- char * d = Itoa (r.denominator());
- s += String ('/') + String (d);
- //delete d;
- }
- /* delete n;
- */
- return s;
+ return r.str ();
}
String
String
String_convert::precision_str (double x, int n)
{
- String format = "%." + String (0 >? n - 1) + "e";
+ String format = "%." + to_str (0 >? n - 1) + "e";
String str = double_str (abs (x), format.ch_C ());
int exp = str.right_str (3).value_i ();
- str = str.left_str (str.len () - 4);
+ str = str.left_str (str.length_i () - 4);
- while (str[str.len () - 1] == '0')
- str = str.left_str (str.len () - 1);
- if (str[str.len () - 1] == '.')
- str = str.left_str (str.len () - 1);
+ while (str[str.length_i () - 1] == '0')
+ str = str.left_str (str.length_i () - 1);
+ if (str[str.length_i () - 1] == '.')
+ str = str.left_str (str.length_i () - 1);
if (exp == 0)
return (sign (x) > 0 ? str : "-" + str);
- str = str.left_str (1) + str.cut (2, INT_MAX);
+ str = str.left_str (1) + str.cut_str (2, INT_MAX);
int dot = 1 + exp;
if (dot <= 0)
- str = "0." + String ('0', -dot) + str;
- else if (dot >= str.len ())
- str += String ('0', dot - str.len ());
- else if (( dot > 0) && (dot < str.len ()))
- str = str.left_str (dot) + '.' + str.cut (dot, INT_MAX);
+ str = "0." + to_str ('0', -dot) + str;
+ else if (dot >= str.length_i ())
+ str += to_str ('0', dot - str.length_i ());
+ else if (( dot > 0) && (dot < str.length_i ()))
+ str = str.left_str (dot) + "." + str.cut_str (dot, INT_MAX);
else
assert (0);
return (sign (x) > 0 ? str : "-" + str);
}
+Array<String>
+String_convert::split_arr (String str, char c)
+{
+ Array<String> a;
+ int i = str.index_i (c);
+ while (i >=0)
+ {
+ String s = str.left_str (i);
+ a.push (s);
+ while (str[++i] == c)
+ ;
+ str = str.cut_str (i, INT_MAX);
+ i = str.index_i (c);
+ }
+ if (str.length_i ())
+ a.push (str);
+ return a;
+}
+
+
+String
+String_convert::long_str (long l)
+{
+ char s[STRING_BUFFER_LEN];
+ sprintf (s,"%ld", l);
+ return s;
+}
+
+String
+String_convert::pad_to (String s, int n)
+{
+ return s + to_str (' ' , (n - s.length_i ()) >? 0);
+}