jdk.nashorn.internal.runtime.regexp.RegExpMatcher Java Examples
The following examples show how to use
jdk.nashorn.internal.runtime.regexp.RegExpMatcher.
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Example #1
| Source File: JdkRegExpTest.java From TencentKona-8 with GNU General Public License v2.0 | 6 votes |
|
/**
* Compile a regular expression using the JDK implementation
*/
@Test
public void testMatcher() {
final RegExp regexp = new RegExpFactory().compile("f(o)o", "");
final RegExpMatcher matcher = regexp.match("foo");
assertNotNull(matcher);
assertTrue(matcher.search(0));
assertEquals(matcher.getInput(), "foo");
assertEquals(matcher.groupCount(), 1);
assertEquals(matcher.group(), "foo");
assertEquals(matcher.start(), 0);
assertEquals(matcher.end(), 3);
assertEquals(matcher.group(1), "o");
assertEquals(matcher.start(1), 1);
assertEquals(matcher.end(1), 2);
}
Example #2
| Source File: JdkRegExpTest.java From jdk8u_nashorn with GNU General Public License v2.0 | 6 votes |
|
/**
* Compile a regular expression using the JDK implementation
*/
@Test
public void testMatcher() {
final RegExp regexp = new RegExpFactory().compile("f(o)o", "");
final RegExpMatcher matcher = regexp.match("foo");
assertNotNull(matcher);
assertTrue(matcher.search(0));
assertEquals(matcher.getInput(), "foo");
assertEquals(matcher.groupCount(), 1);
assertEquals(matcher.group(), "foo");
assertEquals(matcher.start(), 0);
assertEquals(matcher.end(), 3);
assertEquals(matcher.group(1), "o");
assertEquals(matcher.start(1), 1);
assertEquals(matcher.end(1), 2);
}
Example #3
| Source File: JdkRegExpTest.java From jdk8u60 with GNU General Public License v2.0 | 6 votes |
|
/**
* Compile a regular expression using the JDK implementation
*/
@Test
public void testMatcher() {
final RegExp regexp = new RegExpFactory().compile("f(o)o", "");
final RegExpMatcher matcher = regexp.match("foo");
assertNotNull(matcher);
assertTrue(matcher.search(0));
assertEquals(matcher.getInput(), "foo");
assertEquals(matcher.groupCount(), 1);
assertEquals(matcher.group(), "foo");
assertEquals(matcher.start(), 0);
assertEquals(matcher.end(), 3);
assertEquals(matcher.group(1), "o");
assertEquals(matcher.start(1), 1);
assertEquals(matcher.end(1), 2);
}
Example #4
| Source File: JdkRegExpTest.java From openjdk-jdk8u with GNU General Public License v2.0 | 6 votes |
|
/**
* Compile a regular expression using the JDK implementation
*/
@Test
public void testMatcher() {
final RegExp regexp = new RegExpFactory().compile("f(o)o", "");
final RegExpMatcher matcher = regexp.match("foo");
assertNotNull(matcher);
assertTrue(matcher.search(0));
assertEquals(matcher.getInput(), "foo");
assertEquals(matcher.groupCount(), 1);
assertEquals(matcher.group(), "foo");
assertEquals(matcher.start(), 0);
assertEquals(matcher.end(), 3);
assertEquals(matcher.group(1), "o");
assertEquals(matcher.start(1), 1);
assertEquals(matcher.end(1), 2);
}
Example #5
| Source File: JdkRegExpTest.java From hottub with GNU General Public License v2.0 | 6 votes |
|
/**
* Compile a regular expression using the JDK implementation
*/
@Test
public void testMatcher() {
final RegExp regexp = new RegExpFactory().compile("f(o)o", "");
final RegExpMatcher matcher = regexp.match("foo");
assertNotNull(matcher);
assertTrue(matcher.search(0));
assertEquals(matcher.getInput(), "foo");
assertEquals(matcher.groupCount(), 1);
assertEquals(matcher.group(), "foo");
assertEquals(matcher.start(), 0);
assertEquals(matcher.end(), 3);
assertEquals(matcher.group(1), "o");
assertEquals(matcher.start(1), 1);
assertEquals(matcher.end(1), 2);
}
Example #6
| Source File: JdkRegExpTest.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 6 votes |
|
/**
* Compile a regular expression using the JDK implementation
*/
@Test
public void testMatcher() {
final RegExp regexp = new RegExpFactory().compile("f(o)o", "");
final RegExpMatcher matcher = regexp.match("foo");
assertNotNull(matcher);
assertTrue(matcher.search(0));
assertEquals(matcher.getInput(), "foo");
assertEquals(matcher.groupCount(), 1);
assertEquals(matcher.group(), "foo");
assertEquals(matcher.start(), 0);
assertEquals(matcher.end(), 3);
assertEquals(matcher.group(1), "o");
assertEquals(matcher.start(1), 1);
assertEquals(matcher.end(1), 2);
}
Example #7
| Source File: JdkRegExpTest.java From openjdk-jdk9 with GNU General Public License v2.0 | 6 votes |
|
/**
* Compile a regular expression using the JDK implementation
*/
@Test
public void testMatcher() {
final RegExp regexp = new RegExpFactory().compile("f(o)o", "");
final RegExpMatcher matcher = regexp.match("foo");
assertNotNull(matcher);
assertTrue(matcher.search(0));
assertEquals(matcher.getInput(), "foo");
assertEquals(matcher.groupCount(), 1);
assertEquals(matcher.group(), "foo");
assertEquals(matcher.start(), 0);
assertEquals(matcher.end(), 3);
assertEquals(matcher.group(1), "o");
assertEquals(matcher.start(1), 1);
assertEquals(matcher.end(1), 2);
}
Example #8
| Source File: NativeRegExp.java From openjdk-jdk9 with GNU General Public License v2.0 | 5 votes |
|
private String callReplaceValue(final MethodHandle invoker, final Object function, final Object self, final RegExpMatcher matcher, final String string) throws Throwable {
final Object[] groups = groups(matcher);
final Object[] args = Arrays.copyOf(groups, groups.length + 2);
args[groups.length] = matcher.start();
args[groups.length + 1] = string;
return (String)invoker.invokeExact(function, self, args);
}
Example #9
| Source File: NativeRegExp.java From nashorn with GNU General Public License v2.0 | 5 votes |
|
private String callReplaceValue(final ScriptFunction function, final RegExpMatcher matcher, final String string) {
final Object[] groups = groups(matcher);
final Object[] args = Arrays.copyOf(groups, groups.length + 2);
args[groups.length] = matcher.start();
args[groups.length + 1] = string;
final Object self = function.isStrict() ? UNDEFINED : Global.instance();
return JSType.toString(ScriptRuntime.apply(function, self, args));
}
Example #10
| Source File: NativeRegExp.java From jdk8u_nashorn with GNU General Public License v2.0 | 5 votes |
|
private String callReplaceValue(final MethodHandle invoker, final Object function, final Object self, final RegExpMatcher matcher, final String string) throws Throwable {
final Object[] groups = groups(matcher);
final Object[] args = Arrays.copyOf(groups, groups.length + 2);
args[groups.length] = matcher.start();
args[groups.length + 1] = string;
return (String)invoker.invokeExact(function, self, args);
}
Example #11
| Source File: NativeRegExp.java From openjdk-8 with GNU General Public License v2.0 | 5 votes |
|
private String callReplaceValue(final ScriptFunction function, final RegExpMatcher matcher, final String string) {
final Object[] groups = groups(matcher);
final Object[] args = Arrays.copyOf(groups, groups.length + 2);
args[groups.length] = matcher.start();
args[groups.length + 1] = string;
final Object self = function.isStrict() ? UNDEFINED : Global.instance();
return JSType.toString(ScriptRuntime.apply(function, self, args));
}
Example #12
| Source File: NativeRegExp.java From openjdk-8-source with GNU General Public License v2.0 | 5 votes |
|
private String callReplaceValue(final ScriptFunction function, final RegExpMatcher matcher, final String string) {
final Object[] groups = groups(matcher);
final Object[] args = Arrays.copyOf(groups, groups.length + 2);
args[groups.length] = matcher.start();
args[groups.length + 1] = string;
final Object self = function.isStrict() ? UNDEFINED : Global.instance();
return JSType.toString(ScriptRuntime.apply(function, self, args));
}
Example #13
| Source File: NativeRegExp.java From hottub with GNU General Public License v2.0 | 5 votes |
|
private String callReplaceValue(final MethodHandle invoker, final ScriptFunction function, final Object self, final RegExpMatcher matcher, final String string) throws Throwable {
final Object[] groups = groups(matcher);
final Object[] args = Arrays.copyOf(groups, groups.length + 2);
args[groups.length] = matcher.start();
args[groups.length + 1] = string;
return (String)invoker.invokeExact(function, self, args);
}
Example #14
| Source File: NativeRegExp.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 5 votes |
|
private String callReplaceValue(final MethodHandle invoker, final Object function, final Object self, final RegExpMatcher matcher, final String string) throws Throwable {
final Object[] groups = groups(matcher);
final Object[] args = Arrays.copyOf(groups, groups.length + 2);
args[groups.length] = matcher.start();
args[groups.length + 1] = string;
return (String)invoker.invokeExact(function, self, args);
}
Example #15
| Source File: NativeRegExp.java From openjdk-jdk8u with GNU General Public License v2.0 | 5 votes |
|
private String callReplaceValue(final MethodHandle invoker, final Object function, final Object self, final RegExpMatcher matcher, final String string) throws Throwable {
final Object[] groups = groups(matcher);
final Object[] args = Arrays.copyOf(groups, groups.length + 2);
args[groups.length] = matcher.start();
args[groups.length + 1] = string;
return (String)invoker.invokeExact(function, self, args);
}
Example #16
| Source File: NativeRegExp.java From jdk8u60 with GNU General Public License v2.0 | 5 votes |
|
private String callReplaceValue(final MethodHandle invoker, final ScriptFunction function, final Object self, final RegExpMatcher matcher, final String string) throws Throwable {
final Object[] groups = groups(matcher);
final Object[] args = Arrays.copyOf(groups, groups.length + 2);
args[groups.length] = matcher.start();
args[groups.length + 1] = string;
return (String)invoker.invokeExact(function, self, args);
}
Example #17
| Source File: NativeRegExp.java From TencentKona-8 with GNU General Public License v2.0 | 5 votes |
|
private String callReplaceValue(final MethodHandle invoker, final Object function, final Object self, final RegExpMatcher matcher, final String string) throws Throwable {
final Object[] groups = groups(matcher);
final Object[] args = Arrays.copyOf(groups, groups.length + 2);
args[groups.length] = matcher.start();
args[groups.length + 1] = string;
return (String)invoker.invokeExact(function, self, args);
}
Example #18
| Source File: NativeRegExp.java From TencentKona-8 with GNU General Public License v2.0 | 4 votes |
|
private void appendReplacement(final RegExpMatcher matcher, final String text, final String replacement, final StringBuilder sb) {
/*
* Process substitution patterns:
*
* $$ -> $
* $& -> the matched substring
* $` -> the portion of string that precedes matched substring
* $' -> the portion of string that follows the matched substring
* $n -> the nth capture, where n is [1-9] and $n is NOT followed by a decimal digit
* $nn -> the nnth capture, where nn is a two digit decimal number [01-99].
*/
int cursor = 0;
Object[] groups = null;
while (cursor < replacement.length()) {
char nextChar = replacement.charAt(cursor);
if (nextChar == '$') {
// Skip past $
cursor++;
if (cursor == replacement.length()) {
// nothing after "$"
sb.append('$');
break;
}
nextChar = replacement.charAt(cursor);
final int firstDigit = nextChar - '0';
if (firstDigit >= 0 && firstDigit <= 9 && firstDigit <= matcher.groupCount()) {
// $0 is not supported, but $01 is. implementation-defined: if n>m, ignore second digit.
int refNum = firstDigit;
cursor++;
if (cursor < replacement.length() && firstDigit < matcher.groupCount()) {
final int secondDigit = replacement.charAt(cursor) - '0';
if (secondDigit >= 0 && secondDigit <= 9) {
final int newRefNum = firstDigit * 10 + secondDigit;
if (newRefNum <= matcher.groupCount() && newRefNum > 0) {
// $nn ($01-$99)
refNum = newRefNum;
cursor++;
}
}
}
if (refNum > 0) {
if (groups == null) {
groups = groups(matcher);
}
// Append group if matched.
if (groups[refNum] != UNDEFINED) {
sb.append((String) groups[refNum]);
}
} else { // $0. ignore.
assert refNum == 0;
sb.append("$0");
}
} else if (nextChar == '$') {
sb.append('$');
cursor++;
} else if (nextChar == '&') {
sb.append(matcher.group());
cursor++;
} else if (nextChar == '`') {
sb.append(text, 0, matcher.start());
cursor++;
} else if (nextChar == '\'') {
sb.append(text, matcher.end(), text.length());
cursor++;
} else {
// unknown substitution or $n with n>m. skip.
sb.append('$');
}
} else {
sb.append(nextChar);
cursor++;
}
}
}
Example #19
| Source File: NativeRegExp.java From openjdk-jdk9 with GNU General Public License v2.0 | 4 votes |
|
private void appendReplacement(final RegExpMatcher matcher, final String text, final String replacement, final StringBuilder sb) {
/*
* Process substitution patterns:
*
* $$ -> $
* $& -> the matched substring
* $` -> the portion of string that precedes matched substring
* $' -> the portion of string that follows the matched substring
* $n -> the nth capture, where n is [1-9] and $n is NOT followed by a decimal digit
* $nn -> the nnth capture, where nn is a two digit decimal number [01-99].
*/
int cursor = 0;
Object[] groups = null;
while (cursor < replacement.length()) {
char nextChar = replacement.charAt(cursor);
if (nextChar == '$') {
// Skip past $
cursor++;
if (cursor == replacement.length()) {
// nothing after "$"
sb.append('$');
break;
}
nextChar = replacement.charAt(cursor);
final int firstDigit = nextChar - '0';
if (firstDigit >= 0 && firstDigit <= 9 && firstDigit <= matcher.groupCount()) {
// $0 is not supported, but $01 is. implementation-defined: if n>m, ignore second digit.
int refNum = firstDigit;
cursor++;
if (cursor < replacement.length() && firstDigit < matcher.groupCount()) {
final int secondDigit = replacement.charAt(cursor) - '0';
if (secondDigit >= 0 && secondDigit <= 9) {
final int newRefNum = firstDigit * 10 + secondDigit;
if (newRefNum <= matcher.groupCount() && newRefNum > 0) {
// $nn ($01-$99)
refNum = newRefNum;
cursor++;
}
}
}
if (refNum > 0) {
if (groups == null) {
groups = groups(matcher);
}
// Append group if matched.
if (groups[refNum] != UNDEFINED) {
sb.append((String) groups[refNum]);
}
} else { // $0. ignore.
assert refNum == 0;
sb.append("$0");
}
} else if (nextChar == '$') {
sb.append('$');
cursor++;
} else if (nextChar == '&') {
sb.append(matcher.group());
cursor++;
} else if (nextChar == '`') {
sb.append(text, 0, matcher.start());
cursor++;
} else if (nextChar == '\'') {
sb.append(text, matcher.end(), text.length());
cursor++;
} else {
// unknown substitution or $n with n>m. skip.
sb.append('$');
}
} else {
sb.append(nextChar);
cursor++;
}
}
}
Example #20
| Source File: NativeRegExp.java From hottub with GNU General Public License v2.0 | 4 votes |
|
private void appendReplacement(final RegExpMatcher matcher, final String text, final String replacement, final StringBuilder sb) {
/*
* Process substitution patterns:
*
* $$ -> $
* $& -> the matched substring
* $` -> the portion of string that precedes matched substring
* $' -> the portion of string that follows the matched substring
* $n -> the nth capture, where n is [1-9] and $n is NOT followed by a decimal digit
* $nn -> the nnth capture, where nn is a two digit decimal number [01-99].
*/
int cursor = 0;
Object[] groups = null;
while (cursor < replacement.length()) {
char nextChar = replacement.charAt(cursor);
if (nextChar == '$') {
// Skip past $
cursor++;
if (cursor == replacement.length()) {
// nothing after "$"
sb.append('$');
break;
}
nextChar = replacement.charAt(cursor);
final int firstDigit = nextChar - '0';
if (firstDigit >= 0 && firstDigit <= 9 && firstDigit <= matcher.groupCount()) {
// $0 is not supported, but $01 is. implementation-defined: if n>m, ignore second digit.
int refNum = firstDigit;
cursor++;
if (cursor < replacement.length() && firstDigit < matcher.groupCount()) {
final int secondDigit = replacement.charAt(cursor) - '0';
if (secondDigit >= 0 && secondDigit <= 9) {
final int newRefNum = firstDigit * 10 + secondDigit;
if (newRefNum <= matcher.groupCount() && newRefNum > 0) {
// $nn ($01-$99)
refNum = newRefNum;
cursor++;
}
}
}
if (refNum > 0) {
if (groups == null) {
groups = groups(matcher);
}
// Append group if matched.
if (groups[refNum] != UNDEFINED) {
sb.append((String) groups[refNum]);
}
} else { // $0. ignore.
assert refNum == 0;
sb.append("$0");
}
} else if (nextChar == '$') {
sb.append('$');
cursor++;
} else if (nextChar == '&') {
sb.append(matcher.group());
cursor++;
} else if (nextChar == '`') {
sb.append(text, 0, matcher.start());
cursor++;
} else if (nextChar == '\'') {
sb.append(text, matcher.end(), text.length());
cursor++;
} else {
// unknown substitution or $n with n>m. skip.
sb.append('$');
}
} else {
sb.append(nextChar);
cursor++;
}
}
}
Example #21
| Source File: NativeRegExp.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 4 votes |
|
private void appendReplacement(final RegExpMatcher matcher, final String text, final String replacement, final StringBuilder sb) {
/*
* Process substitution patterns:
*
* $$ -> $
* $& -> the matched substring
* $` -> the portion of string that precedes matched substring
* $' -> the portion of string that follows the matched substring
* $n -> the nth capture, where n is [1-9] and $n is NOT followed by a decimal digit
* $nn -> the nnth capture, where nn is a two digit decimal number [01-99].
*/
int cursor = 0;
Object[] groups = null;
while (cursor < replacement.length()) {
char nextChar = replacement.charAt(cursor);
if (nextChar == '$') {
// Skip past $
cursor++;
if (cursor == replacement.length()) {
// nothing after "$"
sb.append('$');
break;
}
nextChar = replacement.charAt(cursor);
final int firstDigit = nextChar - '0';
if (firstDigit >= 0 && firstDigit <= 9 && firstDigit <= matcher.groupCount()) {
// $0 is not supported, but $01 is. implementation-defined: if n>m, ignore second digit.
int refNum = firstDigit;
cursor++;
if (cursor < replacement.length() && firstDigit < matcher.groupCount()) {
final int secondDigit = replacement.charAt(cursor) - '0';
if (secondDigit >= 0 && secondDigit <= 9) {
final int newRefNum = firstDigit * 10 + secondDigit;
if (newRefNum <= matcher.groupCount() && newRefNum > 0) {
// $nn ($01-$99)
refNum = newRefNum;
cursor++;
}
}
}
if (refNum > 0) {
if (groups == null) {
groups = groups(matcher);
}
// Append group if matched.
if (groups[refNum] != UNDEFINED) {
sb.append((String) groups[refNum]);
}
} else { // $0. ignore.
assert refNum == 0;
sb.append("$0");
}
} else if (nextChar == '$') {
sb.append('$');
cursor++;
} else if (nextChar == '&') {
sb.append(matcher.group());
cursor++;
} else if (nextChar == '`') {
sb.append(text, 0, matcher.start());
cursor++;
} else if (nextChar == '\'') {
sb.append(text, matcher.end(), text.length());
cursor++;
} else {
// unknown substitution or $n with n>m. skip.
sb.append('$');
}
} else {
sb.append(nextChar);
cursor++;
}
}
}
Example #22
| Source File: NativeRegExp.java From openjdk-8-source with GNU General Public License v2.0 | 4 votes |
|
private void appendReplacement(final RegExpMatcher matcher, final String text, final String replacement, final StringBuilder sb) {
/*
* Process substitution patterns:
*
* $$ -> $
* $& -> the matched substring
* $` -> the portion of string that preceeds matched substring
* $' -> the portion of string that follows the matched substring
* $n -> the nth capture, where n is [1-9] and $n is NOT followed by a decimal digit
* $nn -> the nnth capture, where nn is a two digit decimal number [01-99].
*/
int cursor = 0;
Object[] groups = null;
while (cursor < replacement.length()) {
char nextChar = replacement.charAt(cursor);
if (nextChar == '$') {
// Skip past $
cursor++;
nextChar = replacement.charAt(cursor);
final int firstDigit = nextChar - '0';
if (firstDigit >= 0 && firstDigit <= 9 && firstDigit <= matcher.groupCount()) {
// $0 is not supported, but $01 is. implementation-defined: if n>m, ignore second digit.
int refNum = firstDigit;
cursor++;
if (cursor < replacement.length() && firstDigit < matcher.groupCount()) {
final int secondDigit = replacement.charAt(cursor) - '0';
if ((secondDigit >= 0) && (secondDigit <= 9)) {
final int newRefNum = (firstDigit * 10) + secondDigit;
if (newRefNum <= matcher.groupCount() && newRefNum > 0) {
// $nn ($01-$99)
refNum = newRefNum;
cursor++;
}
}
}
if (refNum > 0) {
if (groups == null) {
groups = groups(matcher);
}
// Append group if matched.
if (groups[refNum] != UNDEFINED) {
sb.append((String) groups[refNum]);
}
} else { // $0. ignore.
assert refNum == 0;
sb.append("$0");
}
} else if (nextChar == '$') {
sb.append('$');
cursor++;
} else if (nextChar == '&') {
sb.append(matcher.group());
cursor++;
} else if (nextChar == '`') {
sb.append(text, 0, matcher.start());
cursor++;
} else if (nextChar == '\'') {
sb.append(text, matcher.end(), text.length());
cursor++;
} else {
// unknown substitution or $n with n>m. skip.
sb.append('$');
}
} else {
sb.append(nextChar);
cursor++;
}
}
}
Example #23
| Source File: NativeRegExp.java From openjdk-8 with GNU General Public License v2.0 | 4 votes |
|
private void appendReplacement(final RegExpMatcher matcher, final String text, final String replacement, final StringBuilder sb) {
/*
* Process substitution patterns:
*
* $$ -> $
* $& -> the matched substring
* $` -> the portion of string that preceeds matched substring
* $' -> the portion of string that follows the matched substring
* $n -> the nth capture, where n is [1-9] and $n is NOT followed by a decimal digit
* $nn -> the nnth capture, where nn is a two digit decimal number [01-99].
*/
int cursor = 0;
Object[] groups = null;
while (cursor < replacement.length()) {
char nextChar = replacement.charAt(cursor);
if (nextChar == '$') {
// Skip past $
cursor++;
nextChar = replacement.charAt(cursor);
final int firstDigit = nextChar - '0';
if (firstDigit >= 0 && firstDigit <= 9 && firstDigit <= matcher.groupCount()) {
// $0 is not supported, but $01 is. implementation-defined: if n>m, ignore second digit.
int refNum = firstDigit;
cursor++;
if (cursor < replacement.length() && firstDigit < matcher.groupCount()) {
final int secondDigit = replacement.charAt(cursor) - '0';
if ((secondDigit >= 0) && (secondDigit <= 9)) {
final int newRefNum = (firstDigit * 10) + secondDigit;
if (newRefNum <= matcher.groupCount() && newRefNum > 0) {
// $nn ($01-$99)
refNum = newRefNum;
cursor++;
}
}
}
if (refNum > 0) {
if (groups == null) {
groups = groups(matcher);
}
// Append group if matched.
if (groups[refNum] != UNDEFINED) {
sb.append((String) groups[refNum]);
}
} else { // $0. ignore.
assert refNum == 0;
sb.append("$0");
}
} else if (nextChar == '$') {
sb.append('$');
cursor++;
} else if (nextChar == '&') {
sb.append(matcher.group());
cursor++;
} else if (nextChar == '`') {
sb.append(text, 0, matcher.start());
cursor++;
} else if (nextChar == '\'') {
sb.append(text, matcher.end(), text.length());
cursor++;
} else {
// unknown substitution or $n with n>m. skip.
sb.append('$');
}
} else {
sb.append(nextChar);
cursor++;
}
}
}
Example #24
| Source File: NativeRegExp.java From openjdk-jdk8u with GNU General Public License v2.0 | 4 votes |
|
private void appendReplacement(final RegExpMatcher matcher, final String text, final String replacement, final StringBuilder sb) {
/*
* Process substitution patterns:
*
* $$ -> $
* $& -> the matched substring
* $` -> the portion of string that precedes matched substring
* $' -> the portion of string that follows the matched substring
* $n -> the nth capture, where n is [1-9] and $n is NOT followed by a decimal digit
* $nn -> the nnth capture, where nn is a two digit decimal number [01-99].
*/
int cursor = 0;
Object[] groups = null;
while (cursor < replacement.length()) {
char nextChar = replacement.charAt(cursor);
if (nextChar == '$') {
// Skip past $
cursor++;
if (cursor == replacement.length()) {
// nothing after "$"
sb.append('$');
break;
}
nextChar = replacement.charAt(cursor);
final int firstDigit = nextChar - '0';
if (firstDigit >= 0 && firstDigit <= 9 && firstDigit <= matcher.groupCount()) {
// $0 is not supported, but $01 is. implementation-defined: if n>m, ignore second digit.
int refNum = firstDigit;
cursor++;
if (cursor < replacement.length() && firstDigit < matcher.groupCount()) {
final int secondDigit = replacement.charAt(cursor) - '0';
if (secondDigit >= 0 && secondDigit <= 9) {
final int newRefNum = firstDigit * 10 + secondDigit;
if (newRefNum <= matcher.groupCount() && newRefNum > 0) {
// $nn ($01-$99)
refNum = newRefNum;
cursor++;
}
}
}
if (refNum > 0) {
if (groups == null) {
groups = groups(matcher);
}
// Append group if matched.
if (groups[refNum] != UNDEFINED) {
sb.append((String) groups[refNum]);
}
} else { // $0. ignore.
assert refNum == 0;
sb.append("$0");
}
} else if (nextChar == '$') {
sb.append('$');
cursor++;
} else if (nextChar == '&') {
sb.append(matcher.group());
cursor++;
} else if (nextChar == '`') {
sb.append(text, 0, matcher.start());
cursor++;
} else if (nextChar == '\'') {
sb.append(text, matcher.end(), text.length());
cursor++;
} else {
// unknown substitution or $n with n>m. skip.
sb.append('$');
}
} else {
sb.append(nextChar);
cursor++;
}
}
}
Example #25
| Source File: NativeRegExp.java From jdk8u_nashorn with GNU General Public License v2.0 | 4 votes |
|
private void appendReplacement(final RegExpMatcher matcher, final String text, final String replacement, final StringBuilder sb) {
/*
* Process substitution patterns:
*
* $$ -> $
* $& -> the matched substring
* $` -> the portion of string that precedes matched substring
* $' -> the portion of string that follows the matched substring
* $n -> the nth capture, where n is [1-9] and $n is NOT followed by a decimal digit
* $nn -> the nnth capture, where nn is a two digit decimal number [01-99].
*/
int cursor = 0;
Object[] groups = null;
while (cursor < replacement.length()) {
char nextChar = replacement.charAt(cursor);
if (nextChar == '$') {
// Skip past $
cursor++;
if (cursor == replacement.length()) {
// nothing after "$"
sb.append('$');
break;
}
nextChar = replacement.charAt(cursor);
final int firstDigit = nextChar - '0';
if (firstDigit >= 0 && firstDigit <= 9 && firstDigit <= matcher.groupCount()) {
// $0 is not supported, but $01 is. implementation-defined: if n>m, ignore second digit.
int refNum = firstDigit;
cursor++;
if (cursor < replacement.length() && firstDigit < matcher.groupCount()) {
final int secondDigit = replacement.charAt(cursor) - '0';
if (secondDigit >= 0 && secondDigit <= 9) {
final int newRefNum = firstDigit * 10 + secondDigit;
if (newRefNum <= matcher.groupCount() && newRefNum > 0) {
// $nn ($01-$99)
refNum = newRefNum;
cursor++;
}
}
}
if (refNum > 0) {
if (groups == null) {
groups = groups(matcher);
}
// Append group if matched.
if (groups[refNum] != UNDEFINED) {
sb.append((String) groups[refNum]);
}
} else { // $0. ignore.
assert refNum == 0;
sb.append("$0");
}
} else if (nextChar == '$') {
sb.append('$');
cursor++;
} else if (nextChar == '&') {
sb.append(matcher.group());
cursor++;
} else if (nextChar == '`') {
sb.append(text, 0, matcher.start());
cursor++;
} else if (nextChar == '\'') {
sb.append(text, matcher.end(), text.length());
cursor++;
} else {
// unknown substitution or $n with n>m. skip.
sb.append('$');
}
} else {
sb.append(nextChar);
cursor++;
}
}
}
Example #26
| Source File: NativeRegExp.java From jdk8u60 with GNU General Public License v2.0 | 4 votes |
|
private void appendReplacement(final RegExpMatcher matcher, final String text, final String replacement, final StringBuilder sb) {
/*
* Process substitution patterns:
*
* $$ -> $
* $& -> the matched substring
* $` -> the portion of string that preceeds matched substring
* $' -> the portion of string that follows the matched substring
* $n -> the nth capture, where n is [1-9] and $n is NOT followed by a decimal digit
* $nn -> the nnth capture, where nn is a two digit decimal number [01-99].
*/
int cursor = 0;
Object[] groups = null;
while (cursor < replacement.length()) {
char nextChar = replacement.charAt(cursor);
if (nextChar == '$') {
// Skip past $
cursor++;
if (cursor == replacement.length()) {
// nothing after "$"
sb.append('$');
break;
}
nextChar = replacement.charAt(cursor);
final int firstDigit = nextChar - '0';
if (firstDigit >= 0 && firstDigit <= 9 && firstDigit <= matcher.groupCount()) {
// $0 is not supported, but $01 is. implementation-defined: if n>m, ignore second digit.
int refNum = firstDigit;
cursor++;
if (cursor < replacement.length() && firstDigit < matcher.groupCount()) {
final int secondDigit = replacement.charAt(cursor) - '0';
if (secondDigit >= 0 && secondDigit <= 9) {
final int newRefNum = firstDigit * 10 + secondDigit;
if (newRefNum <= matcher.groupCount() && newRefNum > 0) {
// $nn ($01-$99)
refNum = newRefNum;
cursor++;
}
}
}
if (refNum > 0) {
if (groups == null) {
groups = groups(matcher);
}
// Append group if matched.
if (groups[refNum] != UNDEFINED) {
sb.append((String) groups[refNum]);
}
} else { // $0. ignore.
assert refNum == 0;
sb.append("$0");
}
} else if (nextChar == '$') {
sb.append('$');
cursor++;
} else if (nextChar == '&') {
sb.append(matcher.group());
cursor++;
} else if (nextChar == '`') {
sb.append(text, 0, matcher.start());
cursor++;
} else if (nextChar == '\'') {
sb.append(text, matcher.end(), text.length());
cursor++;
} else {
// unknown substitution or $n with n>m. skip.
sb.append('$');
}
} else {
sb.append(nextChar);
cursor++;
}
}
}
Example #27
| Source File: NativeRegExp.java From nashorn with GNU General Public License v2.0 | 4 votes |
|
private void appendReplacement(final RegExpMatcher matcher, final String text, final String replacement, final StringBuilder sb) {
/*
* Process substitution patterns:
*
* $$ -> $
* $& -> the matched substring
* $` -> the portion of string that preceeds matched substring
* $' -> the portion of string that follows the matched substring
* $n -> the nth capture, where n is [1-9] and $n is NOT followed by a decimal digit
* $nn -> the nnth capture, where nn is a two digit decimal number [01-99].
*/
int cursor = 0;
Object[] groups = null;
while (cursor < replacement.length()) {
char nextChar = replacement.charAt(cursor);
if (nextChar == '$') {
// Skip past $
cursor++;
nextChar = replacement.charAt(cursor);
final int firstDigit = nextChar - '0';
if (firstDigit >= 0 && firstDigit <= 9 && firstDigit <= matcher.groupCount()) {
// $0 is not supported, but $01 is. implementation-defined: if n>m, ignore second digit.
int refNum = firstDigit;
cursor++;
if (cursor < replacement.length() && firstDigit < matcher.groupCount()) {
final int secondDigit = replacement.charAt(cursor) - '0';
if ((secondDigit >= 0) && (secondDigit <= 9)) {
final int newRefNum = (firstDigit * 10) + secondDigit;
if (newRefNum <= matcher.groupCount() && newRefNum > 0) {
// $nn ($01-$99)
refNum = newRefNum;
cursor++;
}
}
}
if (refNum > 0) {
if (groups == null) {
groups = groups(matcher);
}
// Append group if matched.
if (groups[refNum] != UNDEFINED) {
sb.append((String) groups[refNum]);
}
} else { // $0. ignore.
assert refNum == 0;
sb.append("$0");
}
} else if (nextChar == '$') {
sb.append('$');
cursor++;
} else if (nextChar == '&') {
sb.append(matcher.group());
cursor++;
} else if (nextChar == '`') {
sb.append(text, 0, matcher.start());
cursor++;
} else if (nextChar == '\'') {
sb.append(text, matcher.end(), text.length());
cursor++;
} else {
// unknown substitution or $n with n>m. skip.
sb.append('$');
}
} else {
sb.append(nextChar);
cursor++;
}
}
}
