Translating numbers and spaces throws error with en-ueb-g2 #50
Comments
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I'm sorry, I can't answer this question. Reiner can. I don't know of any bug like this in the core library. Translating the string "1 2 3" using standard command line tools works fine, so it must be something in the JS bindings. |
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I can reproduce this using The progam crashes while trying to free memory of the output buffer of translateString. The issue does not occur if you use a utf32 build instead of a utf16 build: <!doctype html>
<script src="node_modules/liblouis/easy-api.js"></script>
<script>
louAsync = new LiblouisEasyApiAsync({
easyapi: "node_modules/liblouis/easy-api.js",
capi: "node_modules/liblouis-build/build-no-tables-utf32.js"
});
louAsync.enableOnDemandTableLoading("node_modules/liblouis-build/tables/", function() {});
louAsync.setLogLevel(LiblouisEasyApi.prototype.LOG.ALL, function() {});
louAsync.registerLogCallback(function(logLevel, msg){
console.log(logLevel, msg);
});
louAsync.version(function(version) {
console.info("Liblouis Version:", version);
})
louAsync.translateString(
['unicode.dis', 'en-ueb-g2.ctb'].join(","),
'1 2 3', function(msg) { console.log("RESULT:", msg); }
);
</script>produces: Using the 16bit build we get the correct result, but freeing the C memory of the result after copying it into Javascript fails: |
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I'm having issues translating simple strings that contain numbers and spaces. It is hard to identify a pattern regarding what exactly causes the error. One example is the string "1 2 3".
The above code has this output:
Oddly enough, the string "1 2" does work.
Any idea what could be causing this problem? Is this a known bug or a misuse of the api?
Thanks
Update: we tested the C liblouis library using the docker container referenced in the docs. The string "1 2 3" does indeed work with the C version, so this seems to be a problem specific to the javascript build.
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