#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.
@see
man 3 snprintf
*/
+
+// hmm, this is shorter even than PATH_MAX
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)
{
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;
}
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;
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;
}
#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;
+ str = to_str (fill_ch, length_i - str.length_i()) + str;
while ((str.length_i() > length_i) && (str[ 0 ] == 'f' ) )
- str = str.cut (2, INT_MAX);
+ str = str.cut_str (2, INT_MAX);
return str;
}
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);
+}
+
/**
Convert a double to a 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 ();
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;
+ str = "0." + to_str ('0', -dot) + str;
else if (dot >= str.length_i ())
- str += String ('0', 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 (dot, INT_MAX);
+ 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;
+}
+