private static String readSectionName(final StringReader in) throws ConfigInvalidException {
final StringBuilder name = new StringBuilder();
for (; ; ) {
int c = in.read();
if (c < 0) throw new ConfigInvalidException(JGitText.get().unexpectedEndOfConfigFile);
if (']' == c) {
in.reset();
break;
}
if (' ' == c || '\t' == c) {
for (; ; ) {
c = in.read();
if (c < 0) throw new ConfigInvalidException(JGitText.get().unexpectedEndOfConfigFile);
if ('"' == c) {
in.reset();
break;
}
if (' ' == c || '\t' == c) continue; // Skipped...
throw new ConfigInvalidException(
MessageFormat.format(JGitText.get().badSectionEntry, name));
}
break;
}
if (Character.isLetterOrDigit((char) c) || '.' == c || '-' == c) name.append((char) c);
else
throw new ConfigInvalidException(
MessageFormat.format(JGitText.get().badSectionEntry, name));
}
return name.toString();
}
/**
* Clear this configuration and reset to the contents of the parsed string.
*
* @param text Git style text file listing configuration properties.
* @throws ConfigInvalidException the text supplied is not formatted correctly. No changes were
* made to {@code this}.
*/
public void fromText(final String text) throws ConfigInvalidException {
final List<Entry> newEntries = new ArrayList<Entry>();
final StringReader in = new StringReader(text);
Entry last = null;
Entry e = new Entry();
for (; ; ) {
int input = in.read();
if (-1 == input) break;
final char c = (char) input;
if ('\n' == c) {
// End of this entry.
newEntries.add(e);
if (e.section != null) last = e;
e = new Entry();
} else if (e.suffix != null) {
// Everything up until the end-of-line is in the suffix.
e.suffix += c;
} else if (';' == c || '#' == c) {
// The rest of this line is a comment; put into suffix.
e.suffix = String.valueOf(c);
} else if (e.section == null && Character.isWhitespace(c)) {
// Save the leading whitespace (if any).
if (e.prefix == null) e.prefix = "";
e.prefix += c;
} else if ('[' == c) {
// This is a section header.
e.section = readSectionName(in);
input = in.read();
if ('"' == input) {
e.subsection = readValue(in, true, '"');
input = in.read();
}
if (']' != input) throw new ConfigInvalidException(JGitText.get().badGroupHeader);
e.suffix = "";
} else if (last != null) {
// Read a value.
e.section = last.section;
e.subsection = last.subsection;
in.reset();
e.name = readKeyName(in);
if (e.name.endsWith("\n")) {
e.name = e.name.substring(0, e.name.length() - 1);
e.value = MAGIC_EMPTY_VALUE;
} else e.value = readValue(in, false, -1);
} else throw new ConfigInvalidException(JGitText.get().invalidLineInConfigFile);
}
state.set(newState(newEntries));
}
@Override
protected void readSingleChildElement(
XMLStreamReader reader,
ParsingInfo parsingInfo,
RawRoot root,
Map<String, Object> objectMap,
MdmiBusinessElementRule object)
throws XMLStreamException {
// Read rule element
if (s_ruleReader.canRead(reader)) {
object.setRule(s_ruleReader.readAndBuild(reader, parsingInfo, root, objectMap));
}
}
private static String readKeyName(final StringReader in) throws ConfigInvalidException {
final StringBuilder name = new StringBuilder();
for (; ; ) {
int c = in.read();
if (c < 0) throw new ConfigInvalidException(JGitText.get().unexpectedEndOfConfigFile);
if ('=' == c) break;
if (' ' == c || '\t' == c) {
for (; ; ) {
c = in.read();
if (c < 0) throw new ConfigInvalidException(JGitText.get().unexpectedEndOfConfigFile);
if ('=' == c) break;
if (';' == c || '#' == c || '\n' == c) {
in.reset();
break;
}
if (' ' == c || '\t' == c) continue; // Skipped...
throw new ConfigInvalidException(JGitText.get().badEntryDelimiter);
}
break;
}
if (Character.isLetterOrDigit((char) c) || c == '-') {
// From the git-config man page:
// The variable names are case-insensitive and only
// alphanumeric characters and - are allowed.
name.append((char) c);
} else if ('\n' == c) {
in.reset();
name.append((char) c);
break;
} else
throw new ConfigInvalidException(MessageFormat.format(JGitText.get().badEntryName, name));
}
return name.toString();
}
private static String readValue(final StringReader in, boolean quote, final int eol)
throws ConfigInvalidException {
final StringBuilder value = new StringBuilder();
boolean space = false;
for (; ; ) {
int c = in.read();
if (c < 0) {
if (value.length() == 0)
throw new ConfigInvalidException(JGitText.get().unexpectedEndOfConfigFile);
break;
}
if ('\n' == c) {
if (quote) throw new ConfigInvalidException(JGitText.get().newlineInQuotesNotAllowed);
in.reset();
break;
}
if (eol == c) break;
if (!quote) {
if (Character.isWhitespace((char) c)) {
space = true;
continue;
}
if (';' == c || '#' == c) {
in.reset();
break;
}
}
if (space) {
if (value.length() > 0) value.append(' ');
space = false;
}
if ('\\' == c) {
c = in.read();
switch (c) {
case -1:
throw new ConfigInvalidException(JGitText.get().endOfFileInEscape);
case '\n':
continue;
case 't':
value.append('\t');
continue;
case 'b':
value.append('\b');
continue;
case 'n':
value.append('\n');
continue;
case '\\':
value.append('\\');
continue;
case '"':
value.append('"');
continue;
default:
throw new ConfigInvalidException(
MessageFormat.format(JGitText.get().badEscape, ((char) c)));
}
}
if ('"' == c) {
quote = !quote;
continue;
}
value.append((char) c);
}
return value.length() > 0 ? value.toString() : null;
}
