public static void encodeVLQ(StringBuffer output, int value)
{
int signBit = 0;
if (value < 0) {
signBit = 1;
value = -value;
}
value = (value << 1) | signBit;
do {
int digit = value & VLQ_BASE_MASK;
value >>= VLQ_BASE_SHIFT;
if (value > 0) {
digit |= VLQ_CONTINUATION_BIT;
}
output.write(BASE64_DIGITS[digit]);
} while (value > 0);
}
public String build()
{
resetPreviousSourceLocation();
StringBuffer mappingsBuffer = new StringBuffer();
entries.ForEach((SourceMapEntry entry) => writeEntry(entry, targetFile, mappingsBuffer));
StringBuffer buffer = new StringBuffer();
buffer.write("{\n");
buffer.write(" \u0022version\u0022: 3,\n");
if (uri != null && fileUri != null) {
buffer.write(string.Format(" \u0022file\u0022: \u0022{0}\u0022,\n",Uri.relativize(uri, fileUri, false)));
}
buffer.write(" \u0022sourceRoot\u0022: \u0022\u0022,\n");
buffer.write(" \u0022sources\u0022: ");
if(uri != null)
{
//sourceUrlList = sourceUrlList.map((url) => relativize(uri, Uri.parse(url), false)).toList();
for(int t=0;t<sourceUrlList.length;t++) sourceUrlList[t] = Uri.relativize(uri, Uri.parse(sourceUrlList[t]), false);
}
printStringListOn(sourceUrlList, buffer);
buffer.write(",\n");
buffer.write(" \u0022names\u0022: ");
printStringListOn(sourceNameList, buffer);
buffer.write(",\n");
buffer.write(" \u0022mappings\u0022: \u0022");
buffer.write(mappingsBuffer);
buffer.write("\u0022\n}\n");
return buffer.toString();
}
public void writeEntry(SourceMapEntry entry, SourceFile targetFile, StringBuffer output)
{
int targetLine = targetFile.getLine(entry.targetOffset);
int targetColumn = targetFile.getColumn(targetLine, entry.targetOffset);
if (targetLine > previousTargetLine) {
for (int i = previousTargetLine; i < targetLine; ++i) {
output.write(";");
}
previousTargetLine = targetLine;
previousTargetColumn = 0;
firstEntryInLine = true;
}
if (!firstEntryInLine) {
output.write(",");
}
firstEntryInLine = false;
encodeVLQ(output, targetColumn - previousTargetColumn);
previousTargetColumn = targetColumn;
if (entry.sourceLocation == null) return;
String sourceUrl = entry.sourceLocation.getSourceUrl();
int sourceLine = entry.sourceLocation.getLine();
int sourceColumn = entry.sourceLocation.getColumn();
String sourceName = entry.sourceLocation.getSourceName();
int sourceUrlIndex = indexOf(sourceUrlList, sourceUrl, sourceUrlMap);
encodeVLQ(output, sourceUrlIndex - previousSourceUrlIndex);
encodeVLQ(output, sourceLine - previousSourceLine);
encodeVLQ(output, sourceColumn - previousSourceColumn);
if (sourceName != null) {
int sourceNameIndex = indexOf(sourceNameList, sourceName, sourceNameMap);
encodeVLQ(output, sourceNameIndex - previousSourceNameIndex);
}
// Update previous source location to ensure the next indices are relative
// to those if [entry.sourceLocation].
updatePreviousSourceLocation(entry.sourceLocation);
}
private void printStringListOn(List<String> strings, StringBuffer buffer)
{
bool first = true;
buffer.write("[");
foreach(String str in strings)
{
if (!first) buffer.write(",");
buffer.write("\u0022");
writeJsonEscapedCharsOn.call(str, buffer);
buffer.write("\u0022");
first = false;
}
buffer.write("]");
}
public void write(StringBuffer s)
{
_sb.Append(s.toString());
}
public void write(StringBuffer s)
{
_sb.Append(s.toString());
}
public static void call(string s, StringBuffer sb)
{
sb.write(s);
}
public static void call(string s, StringBuffer sb)
{
sb.write(s);
}