| Methods Summary |
|---|
| private static com.android.calendarcommon2.ICalendar$Parameter | extractParameter(com.android.calendarcommon2.ICalendar$ParserState state)Extracts the next parameter from the line, if any. If there are no more
parameters, returns null.
String text = state.line;
int len = text.length();
Parameter parameter = null;
int startIndex = -1;
int equalIndex = -1;
while (state.index < len) {
char c = text.charAt(state.index);
if (c == ':") {
if (parameter != null) {
if (equalIndex == -1) {
throw new FormatException("Expected '=' within "
+ "parameter in " + text);
}
parameter.value = text.substring(equalIndex + 1,
state.index);
}
return parameter; // may be null
} else if (c == ';") {
if (parameter != null) {
if (equalIndex == -1) {
throw new FormatException("Expected '=' within "
+ "parameter in " + text);
}
parameter.value = text.substring(equalIndex + 1,
state.index);
return parameter;
} else {
parameter = new Parameter();
startIndex = state.index;
}
} else if (c == '=") {
equalIndex = state.index;
if ((parameter == null) || (startIndex == -1)) {
throw new FormatException("Expected ';' before '=' in "
+ text);
}
parameter.name = text.substring(startIndex + 1, equalIndex);
} else if (c == '"") {
if (parameter == null) {
throw new FormatException("Expected parameter before '\"' in " + text);
}
if (equalIndex == -1) {
throw new FormatException("Expected '=' within parameter in " + text);
}
if (state.index > equalIndex + 1) {
throw new FormatException("Parameter value cannot contain a '\"' in " + text);
}
final int endQuote = text.indexOf('"", state.index + 1);
if (endQuote < 0) {
throw new FormatException("Expected closing '\"' in " + text);
}
parameter.value = text.substring(state.index + 1, endQuote);
state.index = endQuote + 1;
return parameter;
}
++state.index;
}
throw new FormatException("Expected ':' before end of line in " + text);
|
| private static java.lang.String | extractValue(com.android.calendarcommon2.ICalendar$ParserState state)Extracts the value ":..." on the current line. The first character must
be a ':'.
String line = state.line;
if (state.index >= line.length() || line.charAt(state.index) != ':") {
throw new FormatException("Expected ':' before end of line in "
+ line);
}
String value = line.substring(state.index + 1);
state.index = line.length() - 1;
return value;
|
| private static java.lang.String | normalizeText(java.lang.String text)
// it's supposed to be \r\n, but not everyone does that
text = text.replaceAll("\r\n", "\n");
text = text.replaceAll("\r", "\n");
// we deal with line folding, by replacing all "\n " strings
// with nothing. The RFC specifies "\r\n " to be folded, but
// we handle "\n " and "\r " too because we can get those.
text = text.replaceAll("\n ", "");
return text;
|
| public static com.android.calendarcommon2.ICalendar$Component | parseCalendar(java.lang.String text)Parses the provided text into an iCalendar object. The top-level
component must be of type VCALENDAR.
Component calendar = parseComponent(null, text);
if (calendar == null || !Component.VCALENDAR.equals(calendar.getName())) {
throw new FormatException("Expected " + Component.VCALENDAR);
}
return calendar;
|
| public static com.android.calendarcommon2.ICalendar$Component | parseComponent(com.android.calendarcommon2.ICalendar$Component component, java.lang.String text)Parses the provided text, adding to the provided component.
text = normalizeText(text);
return parseComponentImpl(component, text);
|
| public static com.android.calendarcommon2.ICalendar$Component | parseComponent(java.lang.String text)Parses the provided text into an iCalendar component.
return parseComponent(null, text);
|
| private static com.android.calendarcommon2.ICalendar$Component | parseComponentImpl(com.android.calendarcommon2.ICalendar$Component component, java.lang.String text)Parses text into an iCalendar component. Parses into the provided
component, if not null, or parses into a new component. In the latter
case, expects a BEGIN as the first line. Returns the provided or newly
created top-level component.
Component current = component;
ParserState state = new ParserState();
state.index = 0;
// split into lines
String[] lines = text.split("\n");
// each line is of the format:
// name *(";" param) ":" value
for (String line : lines) {
try {
current = parseLine(line, state, current);
// if the provided component was null, we will return the root
// NOTE: in this case, if the first line is not a BEGIN, a
// FormatException will get thrown.
if (component == null) {
component = current;
}
} catch (FormatException fe) {
if (false) {
Log.v(TAG, "Cannot parse " + line, fe);
}
// for now, we ignore the parse error. Google Calendar seems
// to be emitting some misformatted iCalendar objects.
}
continue;
}
return component;
|
| public static com.android.calendarcommon2.ICalendar$Component | parseEvent(java.lang.String text)Parses the provided text into an iCalendar event. The top-level
component must be of type VEVENT.
Component event = parseComponent(null, text);
if (event == null || !Component.VEVENT.equals(event.getName())) {
throw new FormatException("Expected " + Component.VEVENT);
}
return event;
|
| private static com.android.calendarcommon2.ICalendar$Component | parseLine(java.lang.String line, com.android.calendarcommon2.ICalendar$ParserState state, com.android.calendarcommon2.ICalendar$Component component)Parses a line into the provided component. Creates a new component if
the line is a BEGIN, adding the newly created component to the provided
parent. Returns whatever component is the current one (to which new
properties will be added) in the parse.
state.line = line;
int len = state.line.length();
// grab the name
char c = 0;
for (state.index = 0; state.index < len; ++state.index) {
c = line.charAt(state.index);
if (c == ';" || c == ':") {
break;
}
}
String name = line.substring(0, state.index);
if (component == null) {
if (!Component.BEGIN.equals(name)) {
throw new FormatException("Expected BEGIN");
}
}
Property property;
if (Component.BEGIN.equals(name)) {
// start a new component
String componentName = extractValue(state);
Component child = new Component(componentName, component);
if (component != null) {
component.addChild(child);
}
return child;
} else if (Component.END.equals(name)) {
// finish the current component
String componentName = extractValue(state);
if (component == null ||
!componentName.equals(component.getName())) {
throw new FormatException("Unexpected END " + componentName);
}
return component.getParent();
} else {
property = new Property(name);
}
if (c == ';") {
Parameter parameter = null;
while ((parameter = extractParameter(state)) != null) {
property.addParameter(parameter);
}
}
String value = extractValue(state);
property.setValue(value);
component.addProperty(property);
return component;
|
