/**
* Serialises out the String. There are special rules about where we can and can't split onto
* Continue records.
*/
public void serialize(ContinuableRecordOutput out) {
int numberOfRichTextRuns = 0;
int extendedDataSize = 0;
if (isRichText() && field_4_format_runs != null) {
numberOfRichTextRuns = field_4_format_runs.size();
}
if (isExtendedText() && field_5_ext_rst != null) {
extendedDataSize = 4 + field_5_ext_rst.getDataSize();
}
// Serialise the bulk of the String
// The writeString handles tricky continue stuff for us
out.writeString(field_3_string, numberOfRichTextRuns, extendedDataSize);
if (numberOfRichTextRuns > 0) {
// This will ensure that a run does not split a continue
for (int i = 0; i < numberOfRichTextRuns; i++) {
if (out.getAvailableSpace() < 4) {
out.writeContinue();
}
FormatRun r = field_4_format_runs.get(i);
r.serialize(out);
}
}
if (extendedDataSize > 0) {
field_5_ext_rst.serialize(out);
}
}
/**
* return a character representation of the fields of this record
*
* @return String of output for biffviewer etc.
*/
public String getDebugInfo() {
StringBuffer buffer = new StringBuffer();
buffer.append("[UNICODESTRING]\n");
buffer
.append(" .charcount = ")
.append(Integer.toHexString(getCharCount()))
.append("\n");
buffer
.append(" .optionflags = ")
.append(Integer.toHexString(getOptionFlags()))
.append("\n");
buffer.append(" .string = ").append(getString()).append("\n");
if (field_4_format_runs != null) {
for (int i = 0; i < field_4_format_runs.size(); i++) {
FormatRun r = field_4_format_runs.get(i);
buffer.append(" .format_run" + i + " = ").append(r.toString()).append("\n");
}
}
if (field_5_ext_rst != null) {
buffer.append(" .field_5_ext_rst = ").append("\n");
buffer.append(field_5_ext_rst.toString()).append("\n");
}
buffer.append("[/UNICODESTRING]\n");
return buffer.toString();
}
/**
* construct a unicode string record and fill its fields, ID is ignored
*
* @param in the RecordInputstream to read the record from
*/
public UnicodeString(RecordInputStream in) {
field_1_charCount = in.readShort();
field_2_optionflags = in.readByte();
int runCount = 0;
int extensionLength = 0;
// Read the number of rich runs if rich text.
if (isRichText()) {
runCount = in.readShort();
}
// Read the size of extended data if present.
if (isExtendedText()) {
extensionLength = in.readInt();
}
boolean isCompressed = ((field_2_optionflags & 1) == 0);
if (isCompressed) {
field_3_string = in.readCompressedUnicode(getCharCount());
} else {
field_3_string = in.readUnicodeLEString(getCharCount());
}
if (isRichText() && (runCount > 0)) {
field_4_format_runs = new ArrayList<FormatRun>(runCount);
for (int i = 0; i < runCount; i++) {
field_4_format_runs.add(new FormatRun(in));
}
}
if (isExtendedText() && (extensionLength > 0)) {
field_5_ext_rst = new ExtRst(new ContinuableRecordInput(in), extensionLength);
if (field_5_ext_rst.getDataSize() + 4 != extensionLength) {
System.err.println(
"ExtRst was supposed to be "
+ extensionLength
+ " bytes long, but seems to actually be "
+ (field_5_ext_rst.getDataSize() + 4));
}
}
}
/**
* Our handling of equals is inconsistent with compareTo. The trouble is because we don't truely
* understand rich text fields yet it's difficult to make a sound comparison.
*
* @param o The object to compare.
* @return true if the object is actually equal.
*/
public boolean equals(Object o) {
if (!(o instanceof UnicodeString)) {
return false;
}
UnicodeString other = (UnicodeString) o;
// OK lets do this in stages to return a quickly, first check the actual string
boolean eq =
((field_1_charCount == other.field_1_charCount)
&& (field_2_optionflags == other.field_2_optionflags)
&& field_3_string.equals(other.field_3_string));
if (!eq) return false;
// OK string appears to be equal but now lets compare formatting runs
if ((field_4_format_runs == null) && (other.field_4_format_runs == null))
// Strings are equal, and there are not formatting runs.
return true;
if (((field_4_format_runs == null) && (other.field_4_format_runs != null))
|| (field_4_format_runs != null) && (other.field_4_format_runs == null))
// Strings are equal, but one or the other has formatting runs
return false;
// Strings are equal, so now compare formatting runs.
int size = field_4_format_runs.size();
if (size != other.field_4_format_runs.size()) return false;
for (int i = 0; i < size; i++) {
FormatRun run1 = field_4_format_runs.get(i);
FormatRun run2 = other.field_4_format_runs.get(i);
if (!run1.equals(run2)) return false;
}
// Well the format runs are equal as well!, better check the ExtRst data
if (field_5_ext_rst == null && other.field_5_ext_rst == null) {
// Good
} else if (field_5_ext_rst != null && other.field_5_ext_rst != null) {
int extCmp = field_5_ext_rst.compareTo(other.field_5_ext_rst);
if (extCmp == 0) {
// Good
} else {
return false;
}
} else {
return false;
}
// Phew!! After all of that we have finally worked out that the strings
// are identical.
return true;
}
public Object clone() {
UnicodeString str = new UnicodeString();
str.field_1_charCount = field_1_charCount;
str.field_2_optionflags = field_2_optionflags;
str.field_3_string = field_3_string;
if (field_4_format_runs != null) {
str.field_4_format_runs = new ArrayList<FormatRun>();
for (FormatRun r : field_4_format_runs) {
str.field_4_format_runs.add(new FormatRun(r._character, r._fontIndex));
}
}
if (field_5_ext_rst != null) {
str.field_5_ext_rst = field_5_ext_rst.clone();
}
return str;
}
protected ExtRst clone() {
ExtRst ext = new ExtRst();
ext.reserved = reserved;
ext.formattingFontIndex = formattingFontIndex;
ext.formattingOptions = formattingOptions;
ext.numberOfRuns = numberOfRuns;
ext.phoneticText = phoneticText;
ext.phRuns = new PhRun[phRuns.length];
for (int i = 0; i < ext.phRuns.length; i++) {
ext.phRuns[i] =
new PhRun(
phRuns[i].phoneticTextFirstCharacterOffset,
phRuns[i].realTextFirstCharacterOffset,
phRuns[i].realTextLength);
}
return ext;
}
public int compareTo(UnicodeString str) {
int result = getString().compareTo(str.getString());
// As per the equals method lets do this in stages
if (result != 0) return result;
// OK string appears to be equal but now lets compare formatting runs
if ((field_4_format_runs == null) && (str.field_4_format_runs == null))
// Strings are equal, and there are no formatting runs.
return 0;
if ((field_4_format_runs == null) && (str.field_4_format_runs != null))
// Strings are equal, but one or the other has formatting runs
return 1;
if ((field_4_format_runs != null) && (str.field_4_format_runs == null))
// Strings are equal, but one or the other has formatting runs
return -1;
// Strings are equal, so now compare formatting runs.
int size = field_4_format_runs.size();
if (size != str.field_4_format_runs.size()) return size - str.field_4_format_runs.size();
for (int i = 0; i < size; i++) {
FormatRun run1 = field_4_format_runs.get(i);
FormatRun run2 = str.field_4_format_runs.get(i);
result = run1.compareTo(run2);
if (result != 0) return result;
}
// Well the format runs are equal as well!, better check the ExtRst data
if ((field_5_ext_rst == null) && (str.field_5_ext_rst == null)) return 0;
if ((field_5_ext_rst == null) && (str.field_5_ext_rst != null)) return 1;
if ((field_5_ext_rst != null) && (str.field_5_ext_rst == null)) return -1;
result = field_5_ext_rst.compareTo(str.field_5_ext_rst);
if (result != 0) return result;
// Phew!! After all of that we have finally worked out that the strings
// are identical.
return 0;
}