--*/
-
+#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::bin2hex_str (String bin_str)
+String_convert::bool_string (bool b)
+{
+ return String (b ? "true" : "false");
+}
+
+String
+String_convert::bin2hex (String bin_string)
{
String str;
- Byte const* byte_C = bin_str.byte_C();
- for (int i = 0; i < bin_str.length_i(); i++)
+ Byte const* byte = bin_string.to_bytes ();
+ for (int i = 0; i < bin_string.length (); i++)
{
- str += (char)nibble2hex_byte (*byte_C >> 4);
- str += (char)nibble2hex_byte (*byte_C++);
+ str += to_string ((char)nibble2hex_byte (*byte >> 4));
+ str += to_string ((char)nibble2hex_byte (*byte++));
}
return str;
}
int
-String_convert::bin2_i (String bin_str)
+String_convert::bin2int (String bin_string)
{
- return bin2_u (bin_str);
+ return bin2unsigned (bin_string);
}
unsigned
-String_convert::bin2_u (String bin_str)
+String_convert::bin2unsigned (String bin_string)
{
- assert (bin_str.length_i() <= (int)sizeof(unsigned));
+ assert (bin_string.length () <= (int)sizeof (unsigned));
unsigned result_u = 0;
- for (int i = 0; i < bin_str.length_i(); i++)
+ for (int i = 0; i < bin_string.length (); i++)
{
result_u <<= 8;
- result_u += (Byte)bin_str[ i ];
+ result_u += (Byte)bin_string[ i ];
}
return result_u;
}
// breendet imp from String
int
-String_convert::dec2_i (String dec_str)
+String_convert::dec2int (String dec_string)
{
- if (!dec_str.length_i())
+ if (!dec_string.length ())
return 0;
long l = 0;
- int conv = sscanf (dec_str.ch_C(), "%ld", &l);
+ int conv = sscanf (dec_string.to_str0 (), "%ld", &l);
assert (conv);
return (int)l;
}
String
-String_convert::i64_str (I64 i64, char const* fmt)
+String_convert::i64_string (I64 i64, char const* fmt)
{
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);
}
// breendet imp from String
double
-String_convert::dec2_f (String dec_str)
+String_convert::dec2double (String dec_string)
{
- if (!dec_str.length_i())
+ if (!dec_string.length ())
return 0;
double d = 0;
- int conv = sscanf (dec_str.ch_C(), "%lf", &d);
+ int conv = sscanf (dec_string.to_str0 (), "%lf", &d);
assert (conv);
return d;
}
int
-String_convert::hex2bin_i (String hex_str, String& bin_str_r)
+String_convert::hex2bin (String hex_string, String& bin_string_r)
{
- if (hex_str.length_i() % 2)
- hex_str = "0" + hex_str;
+ if (hex_string.length () % 2)
+ hex_string = "0" + hex_string;
- bin_str_r = "";
- Byte const* byte_C= hex_str.byte_C();
+ bin_string_r = "";
+ Byte const* byte= hex_string.to_bytes ();
int i = 0;
- while (i < hex_str.length_i())
+ while (i < hex_string.length ())
{
- int high_i = hex2nibble_i (*byte_C++);
- int low_i = hex2nibble_i (*byte_C++);
+ int high_i = hex2nibble (*byte++);
+ int low_i = hex2nibble (*byte++);
if (high_i < 0 || low_i < 0)
return 1; // illegal char
- bin_str_r += String ((char)(high_i << 4 | low_i), 1 );
+ bin_string_r += to_string ((char) (high_i << 4 | low_i), 1 );
i += 2;
}
return 0;
}
String
-String_convert::hex2bin_str (String hex_str)
+String_convert::hex2bin (String hex_string)
{
String str;
// silly, asserts should alway be "on"!
- // assert (!hex2bin_i (hex_str, str) );
- int error_i = hex2bin_i (hex_str, str);
+ // assert (!hex2bin (hex_string, str) );
+ int error_i = hex2bin (hex_string, str);
assert (!error_i);
return str;
}
int
-String_convert::hex2nibble_i (Byte byte)
+String_convert::hex2nibble (Byte byte)
{
if (byte >= '0' && byte <= '9')
return byte - '0';
return -1;
}
-// stupido. Should use int_str()
+// stupido. Should use int_string ()
String
-String_convert::i2dec_str (int i, int length_i, char ch)
+String_convert::int2dec (int i, int length_i, char ch)
{
- char fill_ch = ch;
- if (fill_ch)
- fill_ch = '0';
+ char fill_char = ch;
+ if (fill_char)
+ fill_char = '0';
// ugh
- String dec_str (i);
+ String dec_string = to_string (i);
// ugh
- return String (fill_ch, length_i - dec_str.length_i()) + dec_str;
+ return to_string (fill_char, length_i - dec_string.length ()) + dec_string;
}
-// stupido. Should use int_str()
+// stupido. Should use int_string ()
String
-String_convert::u2hex_str (unsigned u, int length_i, char fill_ch)
+String_convert::unsigned2hex (unsigned u, int length_i, char fill_char)
{
String str;
if (!u)
#if 1 // both go...
while (u)
{
- str = String ((char)((u % 16)["0123456789abcdef"] ) ) + str;
+ str = to_string ((char) ((u % 16)["0123456789abcdef"] ) ) + str;
u /= 16;
}
#else
- str += int_str (u, "%x"); // hmm. %lx vs. %x -> portability?
+ str += int_string (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_string (fill_char, length_i - str.length ()) + str;
+ while ((str.length () > length_i) && (str[ 0 ] == 'f' ) )
+ str = str.cut_string (2, INT_MAX);
return str;
}
String
-String_convert::i2hex_str (int i, int length_i, char fill_ch)
+String_convert::int2hex (int i, int length_i, char fill_char)
{
- return u2hex_str ((unsigned)i, length_i, fill_ch);
+ return unsigned2hex ((unsigned)i, length_i, fill_char);
}
Byte
#fmt# is a printf style format, default assumes "%d" as format.
*/
String
-String_convert::int_str (int i, char const* fmt)
+String_convert::int_string (int i, char const* fmt)
{
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_string (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_string (char const* format, va_list args)
+{
+ char buffer[STRING_BUFFER_LEN];
+ vsnprintf (buffer, STRING_BUFFER_LEN, format, args);
return String (buffer);
}
@param #fmt# is a printf style format, default assumes "%lf" as format
*/
String
-String_convert::double_str (double f, char const* fmt)
+String_convert::double_string (double f, char const* fmt)
{
char buf[STRING_BUFFER_LEN];
}
/**
- Make a string from a single character.
+Make a string from a single character.
@param
#n# is a repetition count, default value is 1
*/
String
-String_convert::char_str (char c, int n)
+String_convert::char_string (char c, int n)
{
n = n >= 0 ? n : 0;
- char* ch_p = new char[ n ];
- memset (ch_p, c, n);
- String s ((Byte*)ch_p, n);
- delete ch_p;
+ char* ch = new char[ n ];
+ memset (ch, c, n);
+ String s ((Byte*)ch, n);
+ delete[] ch;
return s;
}
String
-String_convert::rational_str (Rational r)
+String_convert::rational_string (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.to_string ();
}
String
-String_convert::pointer_str (void const *l)
+String_convert::pointer_string (void const *l)
{
char buffer[STRING_BUFFER_LEN];
snprintf (buffer, STRING_BUFFER_LEN, "%p", l); // assume radix 10
return String (buffer);
}
+
+/**
+ Convert a double to a string.
+
+ @param
+ #n# is the number of nonzero digits
+ */
+String
+String_convert::precision_string (double x, int n)
+{
+ String format = "%." + to_string (0 >? n - 1) + "e";
+ String str = double_string (abs (x), format.to_str0 ());
+
+ int exp = str.right_string (3).to_int ();
+ str = str.left_string (str.length () - 4);
+
+ while (str[str.length () - 1] == '0')
+ str = str.left_string (str.length () - 1);
+ if (str[str.length () - 1] == '.')
+ str = str.left_string (str.length () - 1);
+
+ if (exp == 0)
+ return (sign (x) > 0 ? str : "-" + str);
+
+ str = str.left_string (1) + str.cut_string (2, INT_MAX);
+ int dot = 1 + exp;
+ if (dot <= 0)
+ str = "0." + to_string ('0', -dot) + str;
+ else if (dot >= str.length ())
+ str += to_string ('0', dot - str.length ());
+ else if (( dot > 0) && (dot < str.length ()))
+ str = str.left_string (dot) + "." + str.cut_string (dot, INT_MAX);
+ else
+ assert (0);
+
+ return (sign (x) > 0 ? str : "-" + str);
+}
+
+Array<String>
+String_convert::split (String str, char c)
+{
+ Array<String> a;
+ int i = str.index (c);
+ while (i >=0)
+ {
+ String s = str.left_string (i);
+ a.push (s);
+ while (str[++i] == c)
+ ;
+ str = str.cut_string (i, INT_MAX);
+ i = str.index (c);
+ }
+ if (str.length ())
+ a.push (str);
+ return a;
+}
+
+
+String
+String_convert::long_string (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_string (' ' , (n - s.length ()) >? 0);
+}
projects / lilypond.git / blobdiff