Java Code Examples for com.sun.org.apache.xerces.internal.util.XMLChar#supplemental()
The following examples show how to use
com.sun.org.apache.xerces.internal.util.XMLChar#supplemental() .
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Example 1
| Source File: XMLScanner.java From Bytecoder with Apache License 2.0 | 5 votes |
|
/**
* Scans surrogates and append them to the specified buffer.
* <p>
* <strong>Note:</strong> This assumes the current char has already been
* identified as a high surrogate.
*
* @param buf The StringBuffer to append the read surrogates to.
* @return True if it succeeded.
*/
protected boolean scanSurrogates(XMLStringBuffer buf)
throws IOException, XNIException {
int high = fEntityScanner.scanChar(null);
int low = fEntityScanner.peekChar();
if (!XMLChar.isLowSurrogate(low)) {
reportFatalError("InvalidCharInContent",
new Object[] {Integer.toString(high, 16)});
return false;
}
fEntityScanner.scanChar(null);
// convert surrogates to supplemental character
int c = XMLChar.supplemental((char)high, (char)low);
// supplemental character must be a valid XML character
if (isInvalid(c)) {
reportFatalError("InvalidCharInContent",
new Object[]{Integer.toString(c, 16)});
return false;
}
// fill in the buffer
buf.append((char)high);
buf.append((char)low);
return true;
}
Example 2
| Source File: BaseMarkupSerializer.java From openjdk-jdk9 with GNU General Public License v2.0 | 5 votes |
|
protected void surrogates(int high, int low, boolean inContent) throws IOException{
if (XMLChar.isHighSurrogate(high)) {
if (!XMLChar.isLowSurrogate(low)) {
//Invalid XML
fatalError("The character '"+(char)low+"' is an invalid XML character");
}
else {
int supplemental = XMLChar.supplemental((char)high, (char)low);
if (!XMLChar.isValid(supplemental)) {
//Invalid XML
fatalError("The character '"+(char)supplemental+"' is an invalid XML character");
}
else {
if (inContent && content().inCData) {
_printer.printText("]]>&#x");
_printer.printText(Integer.toHexString(supplemental));
_printer.printText(";<![CDATA[");
}
else {
printHex(supplemental);
}
}
}
} else {
fatalError("The character '"+(char)high+"' is an invalid XML character");
}
}
Example 3
| Source File: XML11Serializer.java From openjdk-jdk8u with GNU General Public License v2.0 | 5 votes |
|
protected final void surrogates(int high, int low) throws IOException{
if (XMLChar.isHighSurrogate(high)) {
if (!XMLChar.isLowSurrogate(low)) {
//Invalid XML
fatalError("The character '"+(char)low+"' is an invalid XML character");
}
else {
int supplemental = XMLChar.supplemental((char)high, (char)low);
if (!XML11Char.isXML11Valid(supplemental)) {
//Invalid XML
fatalError("The character '"+(char)supplemental+"' is an invalid XML character");
}
else {
if (content().inCData ) {
_printer.printText("]]>&#x");
_printer.printText(Integer.toHexString(supplemental));
_printer.printText(";<![CDATA[");
}
else {
printHex(supplemental);
}
}
}
} else {
fatalError("The character '"+(char)high+"' is an invalid XML character");
}
}
Example 4
| Source File: BaseMarkupSerializer.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 5 votes |
|
protected void surrogates(int high, int low) throws IOException{
if (XMLChar.isHighSurrogate(high)) {
if (!XMLChar.isLowSurrogate(low)) {
//Invalid XML
fatalError("The character '"+(char)low+"' is an invalid XML character");
}
else {
int supplemental = XMLChar.supplemental((char)high, (char)low);
if (!XMLChar.isValid(supplemental)) {
//Invalid XML
fatalError("The character '"+(char)supplemental+"' is an invalid XML character");
}
else {
if (content().inCData ) {
_printer.printText("]]>&#x");
_printer.printText(Integer.toHexString(supplemental));
_printer.printText(";<![CDATA[");
}
else {
printHex(supplemental);
}
}
}
} else {
fatalError("The character '"+(char)high+"' is an invalid XML character");
}
}
Example 5
| Source File: BaseMarkupSerializer.java From openjdk-8 with GNU General Public License v2.0 | 5 votes |
|
protected void surrogates(int high, int low) throws IOException{
if (XMLChar.isHighSurrogate(high)) {
if (!XMLChar.isLowSurrogate(low)) {
//Invalid XML
fatalError("The character '"+(char)low+"' is an invalid XML character");
}
else {
int supplemental = XMLChar.supplemental((char)high, (char)low);
if (!XMLChar.isValid(supplemental)) {
//Invalid XML
fatalError("The character '"+(char)supplemental+"' is an invalid XML character");
}
else {
if (content().inCData ) {
_printer.printText("]]>&#x");
_printer.printText(Integer.toHexString(supplemental));
_printer.printText(";<![CDATA[");
}
else {
printHex(supplemental);
}
}
}
} else {
fatalError("The character '"+(char)high+"' is an invalid XML character");
}
}
Example 6
| Source File: BaseMarkupSerializer.java From hottub with GNU General Public License v2.0 | 5 votes |
|
protected void surrogates(int high, int low) throws IOException{
if (XMLChar.isHighSurrogate(high)) {
if (!XMLChar.isLowSurrogate(low)) {
//Invalid XML
fatalError("The character '"+(char)low+"' is an invalid XML character");
}
else {
int supplemental = XMLChar.supplemental((char)high, (char)low);
if (!XMLChar.isValid(supplemental)) {
//Invalid XML
fatalError("The character '"+(char)supplemental+"' is an invalid XML character");
}
else {
if (content().inCData ) {
_printer.printText("]]>&#x");
_printer.printText(Integer.toHexString(supplemental));
_printer.printText(";<![CDATA[");
}
else {
printHex(supplemental);
}
}
}
} else {
fatalError("The character '"+(char)high+"' is an invalid XML character");
}
}
Example 7
| Source File: XML11Serializer.java From openjdk-jdk9 with GNU General Public License v2.0 | 5 votes |
|
protected final void surrogates(int high, int low, boolean inContent) throws IOException{
if (XMLChar.isHighSurrogate(high)) {
if (!XMLChar.isLowSurrogate(low)) {
//Invalid XML
fatalError("The character '"+(char)low+"' is an invalid XML character");
}
else {
int supplemental = XMLChar.supplemental((char)high, (char)low);
if (!XML11Char.isXML11Valid(supplemental)) {
//Invalid XML
fatalError("The character '"+(char)supplemental+"' is an invalid XML character");
}
else {
if (inContent && content().inCData) {
_printer.printText("]]>&#x");
_printer.printText(Integer.toHexString(supplemental));
_printer.printText(";<![CDATA[");
}
else {
printHex(supplemental);
}
}
}
}
else {
fatalError("The character '"+(char)high+"' is an invalid XML character");
}
}
Example 8
| Source File: XMLScanner.java From JDKSourceCode1.8 with MIT License | 5 votes |
|
/**
* Scans surrogates and append them to the specified buffer.
* <p>
* <strong>Note:</strong> This assumes the current char has already been
* identified as a high surrogate.
*
* @param buf The StringBuffer to append the read surrogates to.
* @return True if it succeeded.
*/
protected boolean scanSurrogates(XMLStringBuffer buf)
throws IOException, XNIException {
int high = fEntityScanner.scanChar(null);
int low = fEntityScanner.peekChar();
if (!XMLChar.isLowSurrogate(low)) {
reportFatalError("InvalidCharInContent",
new Object[] {Integer.toString(high, 16)});
return false;
}
fEntityScanner.scanChar(null);
// convert surrogates to supplemental character
int c = XMLChar.supplemental((char)high, (char)low);
// supplemental character must be a valid XML character
if (isInvalid(c)) {
reportFatalError("InvalidCharInContent",
new Object[]{Integer.toString(c, 16)});
return false;
}
// fill in the buffer
buf.append((char)high);
buf.append((char)low);
return true;
}
Example 9
| Source File: BaseMarkupSerializer.java From jdk8u60 with GNU General Public License v2.0 | 5 votes |
|
protected void surrogates(int high, int low) throws IOException{
if (XMLChar.isHighSurrogate(high)) {
if (!XMLChar.isLowSurrogate(low)) {
//Invalid XML
fatalError("The character '"+(char)low+"' is an invalid XML character");
}
else {
int supplemental = XMLChar.supplemental((char)high, (char)low);
if (!XMLChar.isValid(supplemental)) {
//Invalid XML
fatalError("The character '"+(char)supplemental+"' is an invalid XML character");
}
else {
if (content().inCData ) {
_printer.printText("]]>&#x");
_printer.printText(Integer.toHexString(supplemental));
_printer.printText(";<![CDATA[");
}
else {
printHex(supplemental);
}
}
}
} else {
fatalError("The character '"+(char)high+"' is an invalid XML character");
}
}
Example 10
| Source File: XMLScanner.java From hottub with GNU General Public License v2.0 | 5 votes |
|
/**
* Scans surrogates and append them to the specified buffer.
* <p>
* <strong>Note:</strong> This assumes the current char has already been
* identified as a high surrogate.
*
* @param buf The StringBuffer to append the read surrogates to.
* @return True if it succeeded.
*/
protected boolean scanSurrogates(XMLStringBuffer buf)
throws IOException, XNIException {
int high = fEntityScanner.scanChar();
int low = fEntityScanner.peekChar();
if (!XMLChar.isLowSurrogate(low)) {
reportFatalError("InvalidCharInContent",
new Object[] {Integer.toString(high, 16)});
return false;
}
fEntityScanner.scanChar();
// convert surrogates to supplemental character
int c = XMLChar.supplemental((char)high, (char)low);
// supplemental character must be a valid XML character
if (isInvalid(c)) {
reportFatalError("InvalidCharInContent",
new Object[]{Integer.toString(c, 16)});
return false;
}
// fill in the buffer
buf.append((char)high);
buf.append((char)low);
return true;
}
Example 11
| Source File: XMLScanner.java From jdk8u60 with GNU General Public License v2.0 | 5 votes |
|
/**
* Scans surrogates and append them to the specified buffer.
* <p>
* <strong>Note:</strong> This assumes the current char has already been
* identified as a high surrogate.
*
* @param buf The StringBuffer to append the read surrogates to.
* @return True if it succeeded.
*/
protected boolean scanSurrogates(XMLStringBuffer buf)
throws IOException, XNIException {
int high = fEntityScanner.scanChar();
int low = fEntityScanner.peekChar();
if (!XMLChar.isLowSurrogate(low)) {
reportFatalError("InvalidCharInContent",
new Object[] {Integer.toString(high, 16)});
return false;
}
fEntityScanner.scanChar();
// convert surrogates to supplemental character
int c = XMLChar.supplemental((char)high, (char)low);
// supplemental character must be a valid XML character
if (isInvalid(c)) {
reportFatalError("InvalidCharInContent",
new Object[]{Integer.toString(c, 16)});
return false;
}
// fill in the buffer
buf.append((char)high);
buf.append((char)low);
return true;
}
Example 12
| Source File: BaseMarkupSerializer.java From openjdk-8-source with GNU General Public License v2.0 | 5 votes |
|
protected void surrogates(int high, int low) throws IOException{
if (XMLChar.isHighSurrogate(high)) {
if (!XMLChar.isLowSurrogate(low)) {
//Invalid XML
fatalError("The character '"+(char)low+"' is an invalid XML character");
}
else {
int supplemental = XMLChar.supplemental((char)high, (char)low);
if (!XMLChar.isValid(supplemental)) {
//Invalid XML
fatalError("The character '"+(char)supplemental+"' is an invalid XML character");
}
else {
if (content().inCData ) {
_printer.printText("]]>&#x");
_printer.printText(Integer.toHexString(supplemental));
_printer.printText(";<![CDATA[");
}
else {
printHex(supplemental);
}
}
}
} else {
fatalError("The character '"+(char)high+"' is an invalid XML character");
}
}
Example 13
| Source File: XML11Serializer.java From hottub with GNU General Public License v2.0 | 5 votes |
|
protected final void surrogates(int high, int low) throws IOException{
if (XMLChar.isHighSurrogate(high)) {
if (!XMLChar.isLowSurrogate(low)) {
//Invalid XML
fatalError("The character '"+(char)low+"' is an invalid XML character");
}
else {
int supplemental = XMLChar.supplemental((char)high, (char)low);
if (!XML11Char.isXML11Valid(supplemental)) {
//Invalid XML
fatalError("The character '"+(char)supplemental+"' is an invalid XML character");
}
else {
if (content().inCData ) {
_printer.printText("]]>&#x");
_printer.printText(Integer.toHexString(supplemental));
_printer.printText(";<![CDATA[");
}
else {
printHex(supplemental);
}
}
}
} else {
fatalError("The character '"+(char)high+"' is an invalid XML character");
}
}
Example 14
| Source File: BaseMarkupSerializer.java From jdk1.8-source-analysis with Apache License 2.0 | 5 votes |
|
protected void surrogates(int high, int low) throws IOException{
if (XMLChar.isHighSurrogate(high)) {
if (!XMLChar.isLowSurrogate(low)) {
//Invalid XML
fatalError("The character '"+(char)low+"' is an invalid XML character");
}
else {
int supplemental = XMLChar.supplemental((char)high, (char)low);
if (!XMLChar.isValid(supplemental)) {
//Invalid XML
fatalError("The character '"+(char)supplemental+"' is an invalid XML character");
}
else {
if (content().inCData ) {
_printer.printText("]]>&#x");
_printer.printText(Integer.toHexString(supplemental));
_printer.printText(";<![CDATA[");
}
else {
printHex(supplemental);
}
}
}
} else {
fatalError("The character '"+(char)high+"' is an invalid XML character");
}
}
Example 15
| Source File: XML11Serializer.java From jdk1.8-source-analysis with Apache License 2.0 | 5 votes |
|
protected final void surrogates(int high, int low) throws IOException{
if (XMLChar.isHighSurrogate(high)) {
if (!XMLChar.isLowSurrogate(low)) {
//Invalid XML
fatalError("The character '"+(char)low+"' is an invalid XML character");
}
else {
int supplemental = XMLChar.supplemental((char)high, (char)low);
if (!XML11Char.isXML11Valid(supplemental)) {
//Invalid XML
fatalError("The character '"+(char)supplemental+"' is an invalid XML character");
}
else {
if (content().inCData ) {
_printer.printText("]]>&#x");
_printer.printText(Integer.toHexString(supplemental));
_printer.printText(";<![CDATA[");
}
else {
printHex(supplemental);
}
}
}
} else {
fatalError("The character '"+(char)high+"' is an invalid XML character");
}
}
Example 16
| Source File: XIncludeHandler.java From jdk8u60 with GNU General Public License v2.0 | 4 votes |
|
private String escapeHref(String href) {
int len = href.length();
int ch;
final StringBuilder buffer = new StringBuilder(len*3);
// for each character in the href
int i = 0;
for (; i < len; i++) {
ch = href.charAt(i);
// if it's not an ASCII character (excluding 0x7F), break here, and use UTF-8 encoding
if (ch > 0x7E) {
break;
}
// abort: href does not allow this character
if (ch < 0x20) {
return href;
}
if (gNeedEscaping[ch]) {
buffer.append('%');
buffer.append(gAfterEscaping1[ch]);
buffer.append(gAfterEscaping2[ch]);
}
else {
buffer.append((char)ch);
}
}
// we saw some non-ascii character
if (i < len) {
// check if remainder of href contains any illegal characters before proceeding
for (int j = i; j < len; ++j) {
ch = href.charAt(j);
if ((ch >= 0x20 && ch <= 0x7E) ||
(ch >= 0xA0 && ch <= 0xD7FF) ||
(ch >= 0xF900 && ch <= 0xFDCF) ||
(ch >= 0xFDF0 && ch <= 0xFFEF)) {
continue;
}
if (XMLChar.isHighSurrogate(ch) && ++j < len) {
int ch2 = href.charAt(j);
if (XMLChar.isLowSurrogate(ch2)) {
ch2 = XMLChar.supplemental((char)ch, (char)ch2);
if (ch2 < 0xF0000 && (ch2 & 0xFFFF) <= 0xFFFD) {
continue;
}
}
}
// abort: href does not allow this character
return href;
}
// get UTF-8 bytes for the remaining sub-string
byte[] bytes = null;
byte b;
try {
bytes = href.substring(i).getBytes("UTF-8");
} catch (java.io.UnsupportedEncodingException e) {
// should never happen
return href;
}
len = bytes.length;
// for each byte
for (i = 0; i < len; i++) {
b = bytes[i];
// for non-ascii character: make it positive, then escape
if (b < 0) {
ch = b + 256;
buffer.append('%');
buffer.append(gHexChs[ch >> 4]);
buffer.append(gHexChs[ch & 0xf]);
}
else if (gNeedEscaping[b]) {
buffer.append('%');
buffer.append(gAfterEscaping1[b]);
buffer.append(gAfterEscaping2[b]);
}
else {
buffer.append((char)b);
}
}
}
// If escaping happened, create a new string;
// otherwise, return the orginal one.
if (buffer.length() != len) {
return buffer.toString();
}
else {
return href;
}
}
Example 17
| Source File: XIncludeHandler.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 4 votes |
|
private String escapeHref(String href) {
int len = href.length();
int ch;
final StringBuilder buffer = new StringBuilder(len*3);
// for each character in the href
int i = 0;
for (; i < len; i++) {
ch = href.charAt(i);
// if it's not an ASCII character (excluding 0x7F), break here, and use UTF-8 encoding
if (ch > 0x7E) {
break;
}
// abort: href does not allow this character
if (ch < 0x20) {
return href;
}
if (gNeedEscaping[ch]) {
buffer.append('%');
buffer.append(gAfterEscaping1[ch]);
buffer.append(gAfterEscaping2[ch]);
}
else {
buffer.append((char)ch);
}
}
// we saw some non-ascii character
if (i < len) {
// check if remainder of href contains any illegal characters before proceeding
for (int j = i; j < len; ++j) {
ch = href.charAt(j);
if ((ch >= 0x20 && ch <= 0x7E) ||
(ch >= 0xA0 && ch <= 0xD7FF) ||
(ch >= 0xF900 && ch <= 0xFDCF) ||
(ch >= 0xFDF0 && ch <= 0xFFEF)) {
continue;
}
if (XMLChar.isHighSurrogate(ch) && ++j < len) {
int ch2 = href.charAt(j);
if (XMLChar.isLowSurrogate(ch2)) {
ch2 = XMLChar.supplemental((char)ch, (char)ch2);
if (ch2 < 0xF0000 && (ch2 & 0xFFFF) <= 0xFFFD) {
continue;
}
}
}
// abort: href does not allow this character
return href;
}
// get UTF-8 bytes for the remaining sub-string
byte[] bytes = null;
byte b;
try {
bytes = href.substring(i).getBytes("UTF-8");
} catch (java.io.UnsupportedEncodingException e) {
// should never happen
return href;
}
len = bytes.length;
// for each byte
for (i = 0; i < len; i++) {
b = bytes[i];
// for non-ascii character: make it positive, then escape
if (b < 0) {
ch = b + 256;
buffer.append('%');
buffer.append(gHexChs[ch >> 4]);
buffer.append(gHexChs[ch & 0xf]);
}
else if (gNeedEscaping[b]) {
buffer.append('%');
buffer.append(gAfterEscaping1[b]);
buffer.append(gAfterEscaping2[b]);
}
else {
buffer.append((char)b);
}
}
}
// If escaping happened, create a new string;
// otherwise, return the orginal one.
if (buffer.length() != len) {
return buffer.toString();
}
else {
return href;
}
}
Example 18
| Source File: XIncludeHandler.java From openjdk-8-source with GNU General Public License v2.0 | 4 votes |
|
private String escapeHref(String href) {
int len = href.length();
int ch;
final StringBuilder buffer = new StringBuilder(len*3);
// for each character in the href
int i = 0;
for (; i < len; i++) {
ch = href.charAt(i);
// if it's not an ASCII character (excluding 0x7F), break here, and use UTF-8 encoding
if (ch > 0x7E) {
break;
}
// abort: href does not allow this character
if (ch < 0x20) {
return href;
}
if (gNeedEscaping[ch]) {
buffer.append('%');
buffer.append(gAfterEscaping1[ch]);
buffer.append(gAfterEscaping2[ch]);
}
else {
buffer.append((char)ch);
}
}
// we saw some non-ascii character
if (i < len) {
// check if remainder of href contains any illegal characters before proceeding
for (int j = i; j < len; ++j) {
ch = href.charAt(j);
if ((ch >= 0x20 && ch <= 0x7E) ||
(ch >= 0xA0 && ch <= 0xD7FF) ||
(ch >= 0xF900 && ch <= 0xFDCF) ||
(ch >= 0xFDF0 && ch <= 0xFFEF)) {
continue;
}
if (XMLChar.isHighSurrogate(ch) && ++j < len) {
int ch2 = href.charAt(j);
if (XMLChar.isLowSurrogate(ch2)) {
ch2 = XMLChar.supplemental((char)ch, (char)ch2);
if (ch2 < 0xF0000 && (ch2 & 0xFFFF) <= 0xFFFD) {
continue;
}
}
}
// abort: href does not allow this character
return href;
}
// get UTF-8 bytes for the remaining sub-string
byte[] bytes = null;
byte b;
try {
bytes = href.substring(i).getBytes("UTF-8");
} catch (java.io.UnsupportedEncodingException e) {
// should never happen
return href;
}
len = bytes.length;
// for each byte
for (i = 0; i < len; i++) {
b = bytes[i];
// for non-ascii character: make it positive, then escape
if (b < 0) {
ch = b + 256;
buffer.append('%');
buffer.append(gHexChs[ch >> 4]);
buffer.append(gHexChs[ch & 0xf]);
}
else if (gNeedEscaping[b]) {
buffer.append('%');
buffer.append(gAfterEscaping1[b]);
buffer.append(gAfterEscaping2[b]);
}
else {
buffer.append((char)b);
}
}
}
// If escaping happened, create a new string;
// otherwise, return the orginal one.
if (buffer.length() != len) {
return buffer.toString();
}
else {
return href;
}
}
Example 19
| Source File: XIncludeHandler.java From openjdk-jdk8u with GNU General Public License v2.0 | 4 votes |
|
private String escapeHref(String href) {
int len = href.length();
int ch;
final StringBuilder buffer = new StringBuilder(len*3);
// for each character in the href
int i = 0;
for (; i < len; i++) {
ch = href.charAt(i);
// if it's not an ASCII character (excluding 0x7F), break here, and use UTF-8 encoding
if (ch > 0x7E) {
break;
}
// abort: href does not allow this character
if (ch < 0x20) {
return href;
}
if (gNeedEscaping[ch]) {
buffer.append('%');
buffer.append(gAfterEscaping1[ch]);
buffer.append(gAfterEscaping2[ch]);
}
else {
buffer.append((char)ch);
}
}
// we saw some non-ascii character
if (i < len) {
// check if remainder of href contains any illegal characters before proceeding
for (int j = i; j < len; ++j) {
ch = href.charAt(j);
if ((ch >= 0x20 && ch <= 0x7E) ||
(ch >= 0xA0 && ch <= 0xD7FF) ||
(ch >= 0xF900 && ch <= 0xFDCF) ||
(ch >= 0xFDF0 && ch <= 0xFFEF)) {
continue;
}
if (XMLChar.isHighSurrogate(ch) && ++j < len) {
int ch2 = href.charAt(j);
if (XMLChar.isLowSurrogate(ch2)) {
ch2 = XMLChar.supplemental((char)ch, (char)ch2);
if (ch2 < 0xF0000 && (ch2 & 0xFFFF) <= 0xFFFD) {
continue;
}
}
}
// abort: href does not allow this character
return href;
}
// get UTF-8 bytes for the remaining sub-string
byte[] bytes = null;
byte b;
try {
bytes = href.substring(i).getBytes("UTF-8");
} catch (java.io.UnsupportedEncodingException e) {
// should never happen
return href;
}
len = bytes.length;
// for each byte
for (i = 0; i < len; i++) {
b = bytes[i];
// for non-ascii character: make it positive, then escape
if (b < 0) {
ch = b + 256;
buffer.append('%');
buffer.append(gHexChs[ch >> 4]);
buffer.append(gHexChs[ch & 0xf]);
}
else if (gNeedEscaping[b]) {
buffer.append('%');
buffer.append(gAfterEscaping1[b]);
buffer.append(gAfterEscaping2[b]);
}
else {
buffer.append((char)b);
}
}
}
// If escaping happened, create a new string;
// otherwise, return the orginal one.
if (buffer.length() != len) {
return buffer.toString();
}
else {
return href;
}
}
Example 20
| Source File: XIncludeHandler.java From jdk1.8-source-analysis with Apache License 2.0 | 4 votes |
|
private String escapeHref(String href) {
int len = href.length();
int ch;
final StringBuilder buffer = new StringBuilder(len*3);
// for each character in the href
int i = 0;
for (; i < len; i++) {
ch = href.charAt(i);
// if it's not an ASCII character (excluding 0x7F), break here, and use UTF-8 encoding
if (ch > 0x7E) {
break;
}
// abort: href does not allow this character
if (ch < 0x20) {
return href;
}
if (gNeedEscaping[ch]) {
buffer.append('%');
buffer.append(gAfterEscaping1[ch]);
buffer.append(gAfterEscaping2[ch]);
}
else {
buffer.append((char)ch);
}
}
// we saw some non-ascii character
if (i < len) {
// check if remainder of href contains any illegal characters before proceeding
for (int j = i; j < len; ++j) {
ch = href.charAt(j);
if ((ch >= 0x20 && ch <= 0x7E) ||
(ch >= 0xA0 && ch <= 0xD7FF) ||
(ch >= 0xF900 && ch <= 0xFDCF) ||
(ch >= 0xFDF0 && ch <= 0xFFEF)) {
continue;
}
if (XMLChar.isHighSurrogate(ch) && ++j < len) {
int ch2 = href.charAt(j);
if (XMLChar.isLowSurrogate(ch2)) {
ch2 = XMLChar.supplemental((char)ch, (char)ch2);
if (ch2 < 0xF0000 && (ch2 & 0xFFFF) <= 0xFFFD) {
continue;
}
}
}
// abort: href does not allow this character
return href;
}
// get UTF-8 bytes for the remaining sub-string
byte[] bytes = null;
byte b;
try {
bytes = href.substring(i).getBytes("UTF-8");
} catch (java.io.UnsupportedEncodingException e) {
// should never happen
return href;
}
len = bytes.length;
// for each byte
for (i = 0; i < len; i++) {
b = bytes[i];
// for non-ascii character: make it positive, then escape
if (b < 0) {
ch = b + 256;
buffer.append('%');
buffer.append(gHexChs[ch >> 4]);
buffer.append(gHexChs[ch & 0xf]);
}
else if (gNeedEscaping[b]) {
buffer.append('%');
buffer.append(gAfterEscaping1[b]);
buffer.append(gAfterEscaping2[b]);
}
else {
buffer.append((char)b);
}
}
}
// If escaping happened, create a new string;
// otherwise, return the orginal one.
if (buffer.length() != len) {
return buffer.toString();
}
else {
return href;
}
}
