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handle empty strings in string tables

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This commit is contained in:
Robin Appelman 2017-09-30 12:15:28 +02:00
commit 5b2665bdc9
1 changed files with 10 additions and 7 deletions
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9
src/Parser/StringTableParser.ts
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@ -90,7 +90,7 @@ export function guessStringTableEntryLength(table: StringTable, entries: StringT
1 + // new index bit
1 + // misc boolean
1 + // substring bit
entry.text.length + 1 + // +1 for null termination
(entry.text ? entry.text.length + 1 : 1) + // +1 for null termination
(entry.extraData ? Math.ceil(entry.extraData.length / 8) : 0);
}, 1);
}
@ -108,18 +108,21 @@ export function encodeStringTableEntries(stream: BitStream, table: StringTable,
stream.writeBoolean(true);
}
// we always encode a value
if (typeof entry.text !== 'undefined') {
stream.writeBoolean(true);
// we don't encode substring optimizations
stream.writeBoolean(false);
stream.writeASCIIString(entry.text);
} else {
stream.writeBoolean(false);
}
if (entry.extraData) {
stream.writeBoolean(true);
entry.extraData.index = 0;
if (table.fixedUserDataSizeBits) {
if (table.fixedUserDataSize && table.fixedUserDataSizeBits) {
stream.writeBitStream(entry.extraData, table.fixedUserDataSizeBits);
} else {
const byteLength = Math.ceil(entry.extraData.length / 8);