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Fixing bug 277537: implementing isXMLName()

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This commit is contained in:
igor%mir2.org 2005-01-14 14:13:56 +00:00
parent 549953071c
commit b5245d48f0
1 changed files with 76 additions and 4 deletions
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80
js/rhino/xmlimplsrc/org/mozilla/javascript/xmlimpl/XMLLibImpl.java
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@ -508,13 +508,85 @@ public final class XMLLibImpl extends XMLLib
//
/**
* TODO: Implement this method!
* See E4X 13.1.2.1.
*/
public boolean isXMLName(Context cx, Object name)
public boolean isXMLName(Context cx, Object nameObj)
{
// TODO: Check if qname.localName() matches NCName
String name;
try {
name = ScriptRuntime.toString(nameObj);
} catch (EcmaError ee) {
if ("TypeError".equals(ee.getName())) {
return false;
}
throw ee;
}
return true;
// See http://w3.org/TR/xml-names11/#NT-NCName
int length = name.length();
if (length != 0) {
if (isNCNameStartChar(name.charAt(0))) {
for (int i = 1; i != length; ++i) {
if (!isNCNameChar(name.charAt(i))) {
return false;
}
}
return true;
}
}
return false;
}
private static boolean isNCNameStartChar(int c)
{
if ((c & ~0x7F) == 0) {
// Optimize for ASCII and use A..Z < _ < a..z
if (c >= 'a') {
return c <= 'z';
} else if (c >= 'A') {
if (c <= 'Z') {
return true;
}
return c == '_';
}
} else if ((c & ~0x1FFF) == 0) {
return (0xC0 <= c && c <= 0xD6)
|| (0xD8 <= c && c <= 0xF6)
|| (0xF8 <= c && c <= 0x2FF)
|| (0x370 <= c && c <= 0x37D)
|| 0x37F <= c;
}
return (0x200C <= c && c <= 0x200D)
|| (0x2070 <= c && c <= 0x218F)
|| (0x2C00 <= c && c <= 0x2FEF)
|| (0x3001 <= c && c <= 0xD7FF)
|| (0xF900 <= c && c <= 0xFDCF)
|| (0xFDF0 <= c && c <= 0xFFFD)
|| (0x10000 <= c && c <= 0xEFFFF);
}
private static boolean isNCNameChar(int c)
{
if ((c & ~0x7F) == 0) {
// Optimize for ASCII and use - < . < 0..9 < A..Z < _ < a..z
if (c >= 'a') {
return c <= 'z';
} else if (c >= 'A') {
if (c <= 'Z') {
return true;
}
return c == '_';
} else if (c >= '0') {
return c <= '9';
} else {
return c == '-' || c == '.';
}
} else if ((c & ~0x1FFF) == 0) {
return isNCNameStartChar(c) || c == 0xB7
|| (0x300 <= c && c <= 0x36F);
}
return isNCNameStartChar(c) || (0x203F <= c && c <= 0x2040);
}
XMLName toQualifiedName(Context cx, Object namespaceValue,