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Add Output Filter option to Magic operation

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This commit is contained in:
j433866 2018-12-18 10:40:18 +00:00
parent 79b9b63982
commit 283d7f2159
2 changed files with 13 additions and 5 deletions
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9
src/core/lib/Magic.mjs
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@ -267,7 +267,7 @@ class Magic {
* @param {boolean} [useful=false] - Whether the current recipe should be scored highly
* @returns {Object[]} - A sorted list of the recipes most likely to result in correct decoding
*/
async speculativeExecution(depth=0, extLang=false, intensive=false, recipeConfig=[], useful=false) {
async speculativeExecution(depth=0, extLang=false, intensive=false, recipeConfig=[], useful=false, filter=null) {
if (depth < 0) return [];
// Find any operations that can be run on this data
@ -305,7 +305,7 @@ class Magic {
const magic = new Magic(output, this.opPatterns),
speculativeResults = await magic.speculativeExecution(
depth-1, extLang, intensive, [...recipeConfig, opConfig], op.useful);
depth-1, extLang, intensive, [...recipeConfig, opConfig], op.useful, filter);
results = results.concat(speculativeResults);
}));
@ -331,7 +331,10 @@ class Magic {
r.fileType || // A file was found
r.isUTF8 || // UTF-8 was found
r.matchingOps.length // A matching op was found
)
) &&
(
filter == null || // Either no filter was passed, or
new RegExp(filter).test(r.data)) // the filter matches the result data
);
// Return a sorted list of possible recipes along with their properties