/**
* 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));
}
Entry forValue(final String newValue) {
final Entry e = new Entry();
e.prefix = prefix;
e.section = section;
e.subsection = subsection;
e.name = name;
e.value = newValue;
e.suffix = suffix;
return e;
}
private void add(Entry entry) {
entries.add(entry);
entry.section = this;
// totalYield += entry.Yield;
// size += 1;
// if (entry.MN != null) {
// MNSize += 1;
// totalMN += entry.MN;
// }
}
private State replaceStringList(
final State srcState,
final String section,
final String subsection,
final String name,
final List<String> values) {
final List<Entry> entries = copy(srcState, values);
int entryIndex = 0;
int valueIndex = 0;
int insertPosition = -1;
// Reset the first n Entry objects that match this input name.
//
while (entryIndex < entries.size() && valueIndex < values.size()) {
final Entry e = entries.get(entryIndex);
if (e.match(section, subsection, name)) {
entries.set(entryIndex, e.forValue(values.get(valueIndex++)));
insertPosition = entryIndex + 1;
}
entryIndex++;
}
// Remove any extra Entry objects that we no longer need.
//
if (valueIndex == values.size() && entryIndex < entries.size()) {
while (entryIndex < entries.size()) {
final Entry e = entries.get(entryIndex++);
if (e.match(section, subsection, name)) entries.remove(--entryIndex);
}
}
// Insert new Entry objects for additional/new values.
//
if (valueIndex < values.size() && entryIndex == entries.size()) {
if (insertPosition < 0) {
// We didn't find a matching key above, but maybe there
// is already a section available that matches. Insert
// after the last key of that section.
//
insertPosition = findSectionEnd(entries, section, subsection);
}
if (insertPosition < 0) {
// We didn't find any matching section header for this key,
// so we must create a new section header at the end.
//
final Entry e = new Entry();
e.section = section;
e.subsection = subsection;
entries.add(e);
insertPosition = entries.size();
}
while (valueIndex < values.size()) {
final Entry e = new Entry();
e.section = section;
e.subsection = subsection;
e.name = name;
e.value = values.get(valueIndex++);
entries.add(insertPosition++, e);
}
}
return newState(entries);
}
