X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Futil%2FFormat.java;h=7c9b5853ac6b1c6aa1929c892a7ce2cb1d7ecfb9;hb=855f7a4bb3e8d5fcfa9059df64262fc73f0164be;hp=798dc8f093988e0a6ed21c8b9396601d8952739b;hpb=99c58ee0ae2a848f982552e53feaf6d5cb9925e5;p=jalview.git
diff --git a/src/jalview/util/Format.java b/src/jalview/util/Format.java
index 798dc8f..7c9b585 100755
--- a/src/jalview/util/Format.java
+++ b/src/jalview/util/Format.java
@@ -25,68 +25,34 @@
* @version 1.03 25 Oct 1997
* @author Cay Horstmann
*/
-
-
package jalview.util;
-import java.io.*;
-
-public class Format {
- /**
- * Formats the number following printf conventions.
- * Main limitation: Can only handle one format parameter at a time
- * Use multiple Format objects to format more than one number
- * @param s the format string following printf conventions
- * The string has a prefix, a format code and a suffix. The prefix and suffix
- * become part of the formatted output. The format code directs the
- * formatting of the (single) parameter to be formatted. The code has the
- * following structure
- *
- * - a % (required)
- *
- a modifier (optional)
- *
- * - +
- forces display of + for positive numbers
- *
- 0
- show leading zeroes
- *
- -
- align left in the field
- *
- space
- prepend a space in front of positive numbers
- *
- #
- use "alternate" format. Add 0 or 0x for octal or hexadecimal numbers. Don't suppress trailing zeroes in general floating point format.
- *
- * - an integer denoting field width (optional)
- *
- a period followed by an integer denoting precision (optional)
- *
- a format descriptor (required)
- *
- * - f
- floating point number in fixed format
- *
- e, E
- floating point number in exponential notation (scientific format). The E format results in an uppercase E for the exponent (1.14130E+003), the e format in a lowercase e.
- *
- g, G
- floating point number in general format (fixed format for small numbers, exponential format for large numbers). Trailing zeroes are suppressed. The G format results in an uppercase E for the exponent (if any), the g format in a lowercase e.
- *
- d, i
- integer in decimal
- *
- x
- integer in hexadecimal
- *
- o
- integer in octal
- *
- s
- string
- *
- c
- character
- *
- *
- * @exception IllegalArgumentException if bad format
- *
- */
+/**
+ * DOCUMENT ME!
+ *
+ * @author $author$
+ * @version $Revision$
+ */
+public class Format
+{
+ private int width;
+ private int precision;
+ private String pre;
+ private String post;
+ private boolean leading_zeroes;
+ private boolean show_plus;
+ private boolean alternate;
+ private boolean show_space;
+ private boolean left_align;
+ private char fmt; // one of cdeEfgGiosxXos
- public static String getHexString(java.awt.Color color)
+ /**
+ * Creates a new Format object.
+ *
+ * @param s DOCUMENT ME!
+ */
+ public Format(String s)
{
- String r, g, b;
- r = Integer.toHexString(color.getRed());
- if (r.length() < 2)
- r = "0" + r;
- g = Integer.toHexString(color.getGreen());
- if (g.length() < 2)
- g = "0" + g;
- b = Integer.toHexString(color.getBlue());
- if (b.length() < 2)
- b = "0" + b;
-
- return r+g+b;
- }
-
-
- public Format(String s) {
width = 0;
precision = -1;
pre = "";
@@ -98,535 +64,804 @@ public class Format {
left_align = false;
fmt = ' ';
- int state = 0;
int length = s.length();
int parse_state = 0;
+
// 0 = prefix, 1 = flags, 2 = width, 3 = precision,
// 4 = format, 5 = end
int i = 0;
- while (parse_state == 0) {
+ while (parse_state == 0)
+ {
if (i >= length)
+ {
parse_state = 5;
- else if (s.charAt(i) == '%') {
- if (i < length - 1) {
- if (s.charAt(i + 1) == '%') {
+ }
+ else if (s.charAt(i) == '%')
+ {
+ if (i < (length - 1))
+ {
+ if (s.charAt(i + 1) == '%')
+ {
pre = pre + '%';
i++;
- } else
+ }
+ else
+ {
parse_state = 1;
- } else
+ }
+ }
+ else
+ {
throw new java.lang.IllegalArgumentException();
- } else
+ }
+ }
+ else
+ {
pre = pre + s.charAt(i);
+ }
+
i++;
}
- while (parse_state == 1) {
+
+ while (parse_state == 1)
+ {
if (i >= length)
+ {
parse_state = 5;
+ }
else if (s.charAt(i) == ' ')
+ {
show_space = true;
+ }
else if (s.charAt(i) == '-')
+ {
left_align = true;
+ }
else if (s.charAt(i) == '+')
+ {
show_plus = true;
+ }
else if (s.charAt(i) == '0')
+ {
leading_zeroes = true;
+ }
else if (s.charAt(i) == '#')
+ {
alternate = true;
- else {
+ }
+ else
+ {
parse_state = 2;
i--;
}
+
i++;
}
- while (parse_state == 2) {
+
+ while (parse_state == 2)
+ {
if (i >= length)
+ {
parse_state = 5;
- else if ('0' <= s.charAt(i) && s.charAt(i) <= '9') {
- width = width * 10 + s.charAt(i) - '0';
+ }
+ else if ( ('0' <= s.charAt(i)) && (s.charAt(i) <= '9'))
+ {
+ width = ( (width * 10) + s.charAt(i)) - '0';
i++;
- } else if (s.charAt(i) == '.') {
+ }
+ else if (s.charAt(i) == '.')
+ {
parse_state = 3;
precision = 0;
i++;
- } else
+ }
+ else
+ {
parse_state = 4;
+ }
}
- while (parse_state == 3) {
+
+ while (parse_state == 3)
+ {
if (i >= length)
+ {
parse_state = 5;
- else if ('0' <= s.charAt(i) && s.charAt(i) <= '9') {
- precision = precision * 10 + s.charAt(i) - '0';
+ }
+ else if ( ('0' <= s.charAt(i)) && (s.charAt(i) <= '9'))
+ {
+ precision = ( (precision * 10) + s.charAt(i)) - '0';
i++;
- } else
+ }
+ else
+ {
parse_state = 4;
+ }
}
- if (parse_state == 4) {
+
+ if (parse_state == 4)
+ {
if (i >= length)
+ {
parse_state = 5;
+ }
else
+ {
fmt = s.charAt(i);
+ }
+
i++;
}
+
if (i < length)
+ {
post = s.substring(i, length);
+ }
}
/**
- * prints a formatted number following printf conventions
- * @param s a PrintStream
- * @param fmt the format string
- * @param x the double to print
- */
+ * Formats the number following printf conventions.
+ * Main limitation: Can only handle one format parameter at a time
+ * Use multiple Format objects to format more than one number
+ * @param s the format string following printf conventions
+ * The string has a prefix, a format code and a suffix. The prefix and suffix
+ * become part of the formatted output. The format code directs the
+ * formatting of the (single) parameter to be formatted. The code has the
+ * following structure
+ *
+ * - a % (required)
+ *
- a modifier (optional)
+ *
+ * - +
- forces display of + for positive numbers
+ *
- 0
- show leading zeroes
+ *
- -
- align left in the field
+ *
- space
- prepend a space in front of positive numbers
+ *
- #
- use "alternate" format. Add 0 or 0x for octal or hexadecimal numbers. Don't suppress trailing zeroes in general floating point format.
+ *
+ * - an integer denoting field width (optional)
+ *
- a period followed by an integer denoting precision (optional)
+ *
- a format descriptor (required)
+ *
+ * - f
- floating point number in fixed format
+ *
- e, E
- floating point number in exponential notation (scientific format). The E format results in an uppercase E for the exponent (1.14130E+003), the e format in a lowercase e.
+ *
- g, G
- floating point number in general format (fixed format for small numbers, exponential format for large numbers). Trailing zeroes are suppressed. The G format results in an uppercase E for the exponent (if any), the g format in a lowercase e.
+ *
- d, i
- integer in decimal
+ *
- x
- integer in hexadecimal
+ *
- o
- integer in octal
+ *
- s
- string
+ *
- c
- character
+ *
+ *
+ * @exception IllegalArgumentException if bad format
+ *
+ */
+ public static String getHexString(java.awt.Color color)
+ {
+ String r;
+ String g;
+ String b;
+ r = Integer.toHexString(color.getRed());
- public static void print(java.io.PrintStream s, String fmt, double x) {
- s.print(new Format(fmt).form(x));
+ if (r.length() < 2)
+ {
+ r = "0" + r;
+ }
+
+ g = Integer.toHexString(color.getGreen());
+
+ if (g.length() < 2)
+ {
+ g = "0" + g;
+ }
+
+ b = Integer.toHexString(color.getBlue());
+
+ if (b.length() < 2)
+ {
+ b = "0" + b;
+ }
+
+ return r + g + b;
}
/**
- * prints a formatted number following printf conventions
- * @param s a PrintStream
- * @param fmt the format string
- * @param x the long to print
- */
- public static void print(java.io.PrintStream s, String fmt, long x) {
+ * prints a formatted number following printf conventions
+ * @param s a PrintStream
+ * @param fmt the format string
+ * @param x the double to print
+ */
+ public static void print(java.io.PrintStream s, String fmt, double x)
+ {
s.print(new Format(fmt).form(x));
}
/**
- * prints a formatted number following printf conventions
- * @param s a PrintStream
- * @param fmt the format string
- * @param x the character to
- */
-
- public static void print(java.io.PrintStream s, String fmt, char x) {
+ * prints a formatted number following printf conventions
+ * @param s a PrintStream
+ * @param fmt the format string
+ * @param x the long to print
+ */
+ public static void print(java.io.PrintStream s, String fmt, long x)
+ {
s.print(new Format(fmt).form(x));
}
/**
- * prints a formatted number following printf conventions
- * @param s a PrintStream, fmt the format string
- * @param x a string that represents the digits to print
- */
-
- public static void print(java.io.PrintStream s, String fmt, String x) {
+ * prints a formatted number following printf conventions
+ * @param s a PrintStream
+ * @param fmt the format string
+ * @param x the character to
+ */
+ public static void print(java.io.PrintStream s, String fmt, char x)
+ {
s.print(new Format(fmt).form(x));
}
/**
- * Converts a string of digits (decimal, octal or hex) to an integer
- * @param s a string
- * @return the numeric value of the prefix of s representing a base 10 integer
- */
-
- public static int atoi(String s) {
- return (int)atol(s);
+ * prints a formatted number following printf conventions
+ * @param s a PrintStream, fmt the format string
+ * @param x a string that represents the digits to print
+ */
+ public static void print(java.io.PrintStream s, String fmt, String x)
+ {
+ s.print(new Format(fmt).form(x));
}
/**
- * Converts a string of digits (decimal, octal or hex) to a long integer
- * @param s a string
- * @return the numeric value of the prefix of s representing a base 10 integer
- */
+ * Converts a string of digits (decimal, octal or hex) to an integer
+ * @param s a string
+ * @return the numeric value of the prefix of s representing a base 10 integer
+ */
+ public static int atoi(String s)
+ {
+ return (int) atol(s);
+ }
- public static long atol(String s) {
+ /**
+ * Converts a string of digits (decimal, octal or hex) to a long integer
+ * @param s a string
+ * @return the numeric value of the prefix of s representing a base 10 integer
+ */
+ public static long atol(String s)
+ {
int i = 0;
- while (i < s.length() && Character.isWhitespace(s.charAt(i)))
+ while ( (i < s.length()) && Character.isWhitespace(s.charAt(i)))
+ {
i++;
- if (i < s.length() && s.charAt(i) == '0') {
- if (i + 1 < s.length() && (s.charAt(i + 1) == 'x' || s.charAt(i + 1) == 'X'))
+ }
+
+ if ( (i < s.length()) && (s.charAt(i) == '0'))
+ {
+ if ( ( (i + 1) < s.length()) &&
+ ( (s.charAt(i + 1) == 'x') || (s.charAt(i + 1) == 'X')))
+ {
return parseLong(s.substring(i + 2), 16);
+ }
else
+ {
return parseLong(s, 8);
- } else
+ }
+ }
+ else
+ {
return parseLong(s, 10);
+ }
}
- private static long parseLong(String s, int base) {
+ /**
+ * DOCUMENT ME!
+ *
+ * @param s DOCUMENT ME!
+ * @param base DOCUMENT ME!
+ *
+ * @return DOCUMENT ME!
+ */
+ private static long parseLong(String s, int base)
+ {
int i = 0;
int sign = 1;
long r = 0;
- while (i < s.length() && Character.isWhitespace(s.charAt(i)))
+ while ( (i < s.length()) && Character.isWhitespace(s.charAt(i)))
+ {
i++;
- if (i < s.length() && s.charAt(i) == '-') {
+ }
+
+ if ( (i < s.length()) && (s.charAt(i) == '-'))
+ {
sign = -1;
i++;
- } else if (i < s.length() && s.charAt(i) == '+') {
+ }
+ else if ( (i < s.length()) && (s.charAt(i) == '+'))
+ {
i++;
}
- while (i < s.length()) {
+
+ while (i < s.length())
+ {
char ch = s.charAt(i);
- if ('0' <= ch && ch < '0' + base)
- r = r * base + ch - '0';
- else if ('A' <= ch && ch < 'A' + base - 10)
- r = r * base + ch - 'A' + 10 ;
- else if ('a' <= ch && ch < 'a' + base - 10)
- r = r * base + ch - 'a' + 10 ;
+
+ if ( ('0' <= ch) && (ch < ('0' + base)))
+ {
+ r = ( (r * base) + ch) - '0';
+ }
+ else if ( ('A' <= ch) && (ch < ( ('A' + base) - 10)))
+ {
+ r = ( (r * base) + ch) - 'A' + 10;
+ }
+ else if ( ('a' <= ch) && (ch < ( ('a' + base) - 10)))
+ {
+ r = ( (r * base) + ch) - 'a' + 10;
+ }
else
+ {
return r * sign;
+ }
+
i++;
}
+
return r * sign;
}
/**
- * Converts a string of digits to an double
- * @param s a string
- */
-
- public static double atof(String s) {
+ * Converts a string of digits to an double
+ * @param s a string
+ */
+ public static double atof(String s)
+ {
int i = 0;
int sign = 1;
double r = 0; // integer part
- double f = 0; // fractional part
+ //double f = 0; // fractional part
double p = 1; // exponent of fractional part
int state = 0; // 0 = int part, 1 = frac part
- while (i < s.length() && Character.isWhitespace(s.charAt(i)))
+ while ( (i < s.length()) && Character.isWhitespace(s.charAt(i)))
+ {
i++;
- if (i < s.length() && s.charAt(i) == '-') {
+ }
+
+ if ( (i < s.length()) && (s.charAt(i) == '-'))
+ {
sign = -1;
i++;
- } else if (i < s.length() && s.charAt(i) == '+') {
+ }
+ else if ( (i < s.length()) && (s.charAt(i) == '+'))
+ {
i++;
}
- while (i < s.length()) {
+
+ while (i < s.length())
+ {
char ch = s.charAt(i);
- if ('0' <= ch && ch <= '9') {
+
+ if ( ('0' <= ch) && (ch <= '9'))
+ {
if (state == 0)
- r = r * 10 + ch - '0';
- else if (state == 1) {
+ {
+ r = ( (r * 10) + ch) - '0';
+ }
+ else if (state == 1)
+ {
p = p / 10;
- r = r + p * (ch - '0');
+ r = r + (p * (ch - '0'));
}
- } else if (ch == '.') {
+ }
+ else if (ch == '.')
+ {
if (state == 0)
+ {
state = 1;
+ }
else
+ {
return sign * r;
- } else if (ch == 'e' || ch == 'E') {
- long e = (int)parseLong(s.substring(i + 1), 10);
+ }
+ }
+ else if ( (ch == 'e') || (ch == 'E'))
+ {
+ long e = (int) parseLong(s.substring(i + 1), 10);
+
return sign * r * Math.pow(10, e);
- } else
+ }
+ else
+ {
return sign * r;
+ }
+
i++;
}
+
return sign * r;
}
/**
- * Formats a double into a string (like sprintf in C)
- * @param x the number to format
- * @return the formatted string
- * @exception IllegalArgumentException if bad argument
- */
-
- public String form(double x) {
+ * Formats a double into a string (like sprintf in C)
+ * @param x the number to format
+ * @return the formatted string
+ * @exception IllegalArgumentException if bad argument
+ */
+ public String form(double x)
+ {
String r;
+
if (precision < 0)
+ {
precision = 6;
+ }
+
int s = 1;
- if (x < 0) {
+
+ if (x < 0)
+ {
x = -x;
s = -1;
}
+
if (fmt == 'f')
+ {
r = fixed_format(x);
- else if (fmt == 'e' || fmt == 'E' || fmt == 'g' || fmt == 'G')
+ }
+ else if ( (fmt == 'e') || (fmt == 'E') || (fmt == 'g') || (fmt == 'G'))
+ {
r = exp_format(x);
+ }
else
+ {
throw new java.lang.IllegalArgumentException();
+ }
return pad(sign(s, r));
}
/**
- * Formats a long integer into a string (like sprintf in C)
- * @param x the number to format
- * @return the formatted string
- */
-
- public String form(long x) {
+ * Formats a long integer into a string (like sprintf in C)
+ * @param x the number to format
+ * @return the formatted string
+ */
+ public String form(long x)
+ {
String r;
int s = 0;
- if (fmt == 'd' || fmt == 'i') {
- if (x < 0) {
+
+ if ( (fmt == 'd') || (fmt == 'i'))
+ {
+ if (x < 0)
+ {
r = ("" + x).substring(1);
s = -1;
- } else {
+ }
+ else
+ {
r = "" + x;
s = 1;
}
- } else if (fmt == 'o')
+ }
+ else if (fmt == 'o')
+ {
r = convert(x, 3, 7, "01234567");
+ }
else if (fmt == 'x')
+ {
r = convert(x, 4, 15, "0123456789abcdef");
+ }
else if (fmt == 'X')
+ {
r = convert(x, 4, 15, "0123456789ABCDEF");
+ }
else
+ {
throw new java.lang.IllegalArgumentException();
+ }
return pad(sign(s, r));
}
/**
- * Formats a character into a string (like sprintf in C)
- * @param x the value to format
- * @return the formatted string
- */
-
- public String form(char c) {
+ * Formats a character into a string (like sprintf in C)
+ * @param x the value to format
+ * @return the formatted string
+ */
+ public String form(char c)
+ {
if (fmt != 'c')
+ {
throw new java.lang.IllegalArgumentException();
+ }
String r = "" + c;
+
return pad(r);
}
/**
- * Formats a string into a larger string (like sprintf in C)
- * @param x the value to format
- * @return the formatted string
- */
-
- public String form(String s) {
+ * Formats a string into a larger string (like sprintf in C)
+ * @param x the value to format
+ * @return the formatted string
+ */
+ public String form(String s)
+ {
if (fmt != 's')
+ {
throw new java.lang.IllegalArgumentException();
+ }
+
if (precision >= 0)
+ {
s = s.substring(0, precision);
+ }
+
return pad(s);
}
-
/**
- * a test stub for the format class
- */
-
- public static void main(String[] a) {
- double x = 1.23456789012;
- double y = 123;
- double z = 1.2345e30;
- double w = 1.02;
- double u = 1.234e-5;
- int d = 0xCAFE;
- Format.print(System.out, "x = |%f|\n", x);
- Format.print(System.out, "u = |%20f|\n", u);
- Format.print(System.out, "x = |% .5f|\n", x);
- Format.print(System.out, "w = |%20.5f|\n", w);
- Format.print(System.out, "x = |%020.5f|\n", x);
- Format.print(System.out, "x = |%+20.5f|\n", x);
- Format.print(System.out, "x = |%+020.5f|\n", x);
- Format.print(System.out, "x = |% 020.5f|\n", x);
- Format.print(System.out, "y = |%#+20.5f|\n", y);
- Format.print(System.out, "y = |%-+20.5f|\n", y);
- Format.print(System.out, "z = |%20.5f|\n", z);
-
- Format.print(System.out, "x = |%e|\n", x);
- Format.print(System.out, "u = |%20e|\n", u);
- Format.print(System.out, "x = |% .5e|\n", x);
- Format.print(System.out, "w = |%20.5e|\n", w);
- Format.print(System.out, "x = |%020.5e|\n", x);
- Format.print(System.out, "x = |%+20.5e|\n", x);
- Format.print(System.out, "x = |%+020.5e|\n", x);
- Format.print(System.out, "x = |% 020.5e|\n", x);
- Format.print(System.out, "y = |%#+20.5e|\n", y);
- Format.print(System.out, "y = |%-+20.5e|\n", y);
-
- Format.print(System.out, "x = |%g|\n", x);
- Format.print(System.out, "z = |%g|\n", z);
- Format.print(System.out, "w = |%g|\n", w);
- Format.print(System.out, "u = |%g|\n", u);
- Format.print(System.out, "y = |%.2g|\n", y);
- Format.print(System.out, "y = |%#.2g|\n", y);
-
- Format.print(System.out, "d = |%d|\n", d);
- Format.print(System.out, "d = |%20d|\n", d);
- Format.print(System.out, "d = |%020d|\n", d);
- Format.print(System.out, "d = |%+20d|\n", d);
- Format.print(System.out, "d = |% 020d|\n", d);
- Format.print(System.out, "d = |%-20d|\n", d);
- Format.print(System.out, "d = |%20.8d|\n", d);
- Format.print(System.out, "d = |%x|\n", d);
- Format.print(System.out, "d = |%20X|\n", d);
- Format.print(System.out, "d = |%#20x|\n", d);
- Format.print(System.out, "d = |%020X|\n", d);
- Format.print(System.out, "d = |%20.8x|\n", d);
- Format.print(System.out, "d = |%o|\n", d);
- Format.print(System.out, "d = |%020o|\n", d);
- Format.print(System.out, "d = |%#20o|\n", d);
- Format.print(System.out, "d = |%#020o|\n", d);
- Format.print(System.out, "d = |%20.12o|\n", d);
-
- Format.print(System.out, "s = |%-20s|\n", "Hello");
- Format.print(System.out, "s = |%-20c|\n", '!');
-
- // regression test to confirm fix of reported bugs
-
- Format.print(System.out, "|%i|\n", Long.MIN_VALUE);
-
- Format.print(System.out, "|%6.2e|\n", 0.0);
- Format.print(System.out, "|%6.2g|\n", 0.0);
-
- Format.print(System.out, "|%6.2f|\n", 9.99);
- Format.print(System.out, "|%6.2f|\n", 9.999);
-
- Format.print(System.out, "|%6.0f|\n", 9.999);
- }
-
- private static String repeat(char c, int n) {
+ * DOCUMENT ME!
+ *
+ * @param c DOCUMENT ME!
+ * @param n DOCUMENT ME!
+ *
+ * @return DOCUMENT ME!
+ */
+ private static String repeat(char c, int n)
+ {
if (n <= 0)
+ {
return "";
+ }
+
StringBuffer s = new StringBuffer(n);
+
for (int i = 0; i < n; i++)
+ {
s.append(c);
+ }
+
return s.toString();
}
- private static String convert(long x, int n, int m, String d) {
+ /**
+ * DOCUMENT ME!
+ *
+ * @param x DOCUMENT ME!
+ * @param n DOCUMENT ME!
+ * @param m DOCUMENT ME!
+ * @param d DOCUMENT ME!
+ *
+ * @return DOCUMENT ME!
+ */
+ private static String convert(long x, int n, int m, String d)
+ {
if (x == 0)
+ {
return "0";
+ }
+
String r = "";
- while (x != 0) {
- r = d.charAt((int)(x & m)) + r;
+
+ while (x != 0)
+ {
+ r = d.charAt( (int) (x & m)) + r;
x = x >>> n;
}
+
return r;
}
- private String pad(String r) {
+ /**
+ * DOCUMENT ME!
+ *
+ * @param r DOCUMENT ME!
+ *
+ * @return DOCUMENT ME!
+ */
+ private String pad(String r)
+ {
String p = repeat(' ', width - r.length());
+
if (left_align)
+ {
return pre + r + p + post;
+ }
else
+ {
return pre + p + r + post;
+ }
}
- private String sign(int s, String r) {
+ /**
+ * DOCUMENT ME!
+ *
+ * @param s DOCUMENT ME!
+ * @param r DOCUMENT ME!
+ *
+ * @return DOCUMENT ME!
+ */
+ private String sign(int s, String r)
+ {
String p = "";
+
if (s < 0)
+ {
p = "-";
- else if (s > 0) {
+ }
+ else if (s > 0)
+ {
if (show_plus)
+ {
p = "+";
+ }
else if (show_space)
+ {
p = " ";
- } else {
- if (fmt == 'o' && alternate && r.length() > 0 && r.charAt(0) != '0')
+ }
+ }
+ else
+ {
+ if ( (fmt == 'o') && alternate && (r.length() > 0) &&
+ (r.charAt(0) != '0'))
+ {
p = "0";
- else if (fmt == 'x' && alternate)
+ }
+ else if ( (fmt == 'x') && alternate)
+ {
p = "0x";
- else if (fmt == 'X' && alternate)
+ }
+ else if ( (fmt == 'X') && alternate)
+ {
p = "0X";
+ }
}
+
int w = 0;
+
if (leading_zeroes)
+ {
w = width;
- else if ((fmt == 'd' || fmt == 'i' || fmt == 'x' || fmt == 'X' || fmt == 'o')
- && precision > 0)
+ }
+ else if ( ( (fmt == 'd') || (fmt == 'i') || (fmt == 'x') || (fmt == 'X') ||
+ (fmt == 'o')) && (precision > 0))
+ {
w = precision;
+ }
return p + repeat('0', w - p.length() - r.length()) + r;
}
- private String fixed_format(double d) {
- boolean removeTrailing
- = (fmt == 'G' || fmt == 'g') && !alternate;
- // remove trailing zeroes and decimal point
+ /**
+ * DOCUMENT ME!
+ *
+ * @param d DOCUMENT ME!
+ *
+ * @return DOCUMENT ME!
+ */
+ private String fixed_format(double d)
+ {
+ boolean removeTrailing = ( (fmt == 'G') || (fmt == 'g')) && !alternate;
+ // remove trailing zeroes and decimal point
if (d > 0x7FFFFFFFFFFFFFFFL)
+ {
return exp_format(d);
+ }
+
if (precision == 0)
- return (long)(d + 0.5) + (removeTrailing ? "" : ".");
+ {
+ return (long) (d + 0.5) + (removeTrailing ? "" : ".");
+ }
- long whole = (long)d;
+ long whole = (long) d;
double fr = d - whole; // fractional part
- if (fr >= 1 || fr < 0)
+
+ if ( (fr >= 1) || (fr < 0))
+ {
return exp_format(d);
+ }
double factor = 1;
String leading_zeroes = "";
- for (int i = 1; i <= precision && factor <= 0x7FFFFFFFFFFFFFFFL; i++) {
+
+ for (int i = 1; (i <= precision) && (factor <= 0x7FFFFFFFFFFFFFFFL);
+ i++)
+ {
factor *= 10;
leading_zeroes = leading_zeroes + "0";
}
- long l = (long) (factor * fr + 0.5);
- if (l >= factor) {
+
+ long l = (long) ( (factor * fr) + 0.5);
+
+ if (l >= factor)
+ {
l = 0;
whole++;
- } // CSH 10-25-97
+ }
+ // CSH 10-25-97
String z = leading_zeroes + l;
z = "." + z.substring(z.length() - precision, z.length());
- if (removeTrailing) {
+ if (removeTrailing)
+ {
int t = z.length() - 1;
- while (t >= 0 && z.charAt(t) == '0')
+
+ while ( (t >= 0) && (z.charAt(t) == '0'))
+ {
t--;
- if (t >= 0 && z.charAt(t) == '.')
+ }
+
+ if ( (t >= 0) && (z.charAt(t) == '.'))
+ {
t--;
+ }
+
z = z.substring(0, t + 1);
}
return whole + z;
}
- private String exp_format(double d) {
+ /**
+ * DOCUMENT ME!
+ *
+ * @param d DOCUMENT ME!
+ *
+ * @return DOCUMENT ME!
+ */
+ private String exp_format(double d)
+ {
String f = "";
int e = 0;
double dd = d;
double factor = 1;
- if (d != 0) {
- while (dd > 10) {
+
+ if (d != 0)
+ {
+ while (dd > 10)
+ {
e++;
factor /= 10;
dd = dd / 10;
}
- while (dd < 1) {
+
+ while (dd < 1)
+ {
e--;
factor *= 10;
dd = dd * 10;
}
}
- if ((fmt == 'g' || fmt == 'G') && e >= -4 && e < precision)
+
+ if ( ( (fmt == 'g') || (fmt == 'G')) && (e >= -4) && (e < precision))
+ {
return fixed_format(d);
+ }
d = d * factor;
f = f + fixed_format(d);
- if (fmt == 'e' || fmt == 'g')
+ if ( (fmt == 'e') || (fmt == 'g'))
+ {
f = f + "e";
+ }
else
+ {
f = f + "E";
+ }
String p = "000";
- if (e >= 0) {
+
+ if (e >= 0)
+ {
f = f + "+";
p = p + e;
- } else {
+ }
+ else
+ {
f = f + "-";
- p = p + (-e);
+ p = p + ( -e);
}
return f + p.substring(p.length() - 3, p.length());
}
-
- private int width;
- private int precision;
- private String pre;
- private String post;
- private boolean leading_zeroes;
- private boolean show_plus;
- private boolean alternate;
- private boolean show_space;
- private boolean left_align;
- private char fmt; // one of cdeEfgGiosxXos
}
-
-
-
-
-