FormCalcUtil.java
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/*
* Decompiled with CFR 0_118.
*/
package com.adobe.xfa.formcalc;
import java.text.DecimalFormat;
import java.text.NumberFormat;
import java.util.Locale;
final class FormCalcUtil {
static final int MAX_PRECISION = 15;
static final DecimalFormat gNumberFormat = (DecimalFormat)NumberFormat.getInstance(Locale.US);
static final String hex = "0123456789ABCDEF0123456789abcdef";
private FormCalcUtil() {
}
static String dblToStr(double d, int p) {
int i;
if (p > 15) {
p = 15;
}
StringBuilder f = new StringBuilder();
if (p > 15) {
p = 15;
}
for (i = 0; i < 18 - p - 1; ++i) {
f.append('#');
}
f.append('0');
f.append('.');
for (i = 0; i < p; ++i) {
f.append('0');
}
DecimalFormat oNumberFormat = (DecimalFormat)gNumberFormat.clone();
oNumberFormat.applyPattern(f.toString());
oNumberFormat.setDecimalSeparatorAlwaysShown(true);
return oNumberFormat.format(d);
}
static int trimZeroes(StringBuilder str) {
assert (str != null);
int dot = str.indexOf(".");
int s = 0;
if (dot >= 0) {
s = dot;
}
int e = str.length() - 1;
while (e >= s && str.charAt(e) == '0') {
str.deleteCharAt(e--);
}
return str.length();
}
static int trimRadix(StringBuilder str) {
assert (str != null);
int e = str.length() - 1;
if (e >= 0 && str.charAt(e) == '.') {
str.deleteCharAt(e);
}
return str.length();
}
static int trimSign(StringBuilder str) {
assert (str != null);
String src = str.toString();
if ("+0".equals(src) || "-0".equals(src)) {
str.deleteCharAt(0);
} else if (src.length() >= 1 && src.charAt(0) == '+') {
str.deleteCharAt(0);
}
return str.length();
}
static double strToDbl(String str, boolean bAllowNaN) {
double n;
block3 : {
assert (str != null);
n = 0.0;
try {
n = Double.parseDouble(str);
}
catch (NumberFormatException e) {
if (!bAllowNaN) break block3;
n = Double.NaN;
}
}
return n;
}
static boolean strIsNumeric(String str) {
if (str == null) {
return false;
}
try {
Double.parseDouble(str);
}
catch (NumberFormatException e) {
return false;
}
return true;
}
static String interpolate(String src) {
assert (src != null);
int srcLen = src.length() - 1;
assert (src.charAt(0) == '\"');
assert (src.charAt(srcLen) == '\"');
StringBuilder buf = new StringBuilder(srcLen);
for (int i = 1; i < srcLen; ++i) {
int k;
int ch = src.charAt(i);
if (ch == 34 && src.charAt(i + 1) == '\"') {
buf.append((char)ch);
++i;
continue;
}
if (ch == 92 && src.charAt(i + 1) == 'u' && i + 5 < srcLen && FormCalcUtil.isXDigit(src.charAt(i + 2)) && FormCalcUtil.isXDigit(src.charAt(i + 3)) && FormCalcUtil.isXDigit(src.charAt(i + 4)) && FormCalcUtil.isXDigit(src.charAt(i + 5))) {
ch = 0;
for (k = 0; k < 4; ++k) {
ch <<= 4;
ch += "0123456789ABCDEF0123456789abcdef".indexOf(src.charAt(i + 2 + k)) & 15;
}
buf.append((char)ch);
i += 5;
continue;
}
if (ch == 92 && src.charAt(i + 1) == 'U' && i + 9 < srcLen && FormCalcUtil.isXDigit(src.charAt(i + 2)) && FormCalcUtil.isXDigit(src.charAt(i + 3)) && FormCalcUtil.isXDigit(src.charAt(i + 4)) && FormCalcUtil.isXDigit(src.charAt(i + 5)) && FormCalcUtil.isXDigit(src.charAt(i + 6)) && FormCalcUtil.isXDigit(src.charAt(i + 7)) && FormCalcUtil.isXDigit(src.charAt(i + 8)) && FormCalcUtil.isXDigit(src.charAt(i + 9))) {
ch = 0;
for (k = 0; k < 8; ++k) {
ch <<= 4;
ch += "0123456789ABCDEF0123456789abcdef".indexOf(src.charAt(i + 2 + k)) & 15;
}
buf.append((char)((ch -= 65536) >> 10 | 55296));
buf.append((char)(ch & 1023 | 56320));
i += 9;
continue;
}
buf.append((char)ch);
}
src = buf.toString();
Surrogate seen = Surrogate.Non;
for (int i2 = 0; i2 < src.length(); ++i2) {
char c = src.charAt(i2);
if ('\ud800' <= c && c <= '\udbff') {
if (seen == Surrogate.High) {
return null;
}
seen = Surrogate.High;
continue;
}
if ('\udc00' <= c && c <= '\udfff') {
if (seen != Surrogate.High) {
return null;
}
seen = Surrogate.Low;
continue;
}
if (seen == Surrogate.High) {
return null;
}
seen = Surrogate.Non;
}
return src;
}
static String strToEscStr(String src) {
assert (src != null);
int dbq = 0;
int len = src.length();
for (int s = 0; s < len; ++s) {
if (src.charAt(s) != '\"') continue;
++dbq;
}
if (dbq > 0) {
StringBuilder dst = new StringBuilder(len + dbq);
dst.setLength(len + dbq);
int p = len - 1;
int q = len + dbq - 1;
do {
if (src.charAt(p) == '\"') {
dst.setCharAt(q--, '\"');
}
dst.setCharAt(q--, src.charAt(p--));
} while (p >= 0);
return dst.toString();
}
return src;
}
private static boolean isXDigit(char cChar) {
return Character.isDigit(cChar) || 'a' <= cChar && cChar <= 'f' || 'A' <= cChar && cChar <= 'F';
}
private static enum Surrogate {
Non,
High,
Low;
private Surrogate() {
}
}
}