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/* Copyright 2013-present Facebook, Inc.
* Licensed under the Apache License, Version 2.0 */
#include "watchman.h"
#include "make_unique.h"
class TypeExpr : public QueryExpr {
char arg;
public:
explicit TypeExpr(char arg) : arg(arg) {}
bool evaluate(struct w_query_ctx*, const FileResult* file) override {
switch (arg) {
#ifndef _WIN32
case 'b':
return S_ISBLK(file->stat().mode);
case 'c':
return S_ISCHR(file->stat().mode);
case 'p':
return S_ISFIFO(file->stat().mode);
case 's':
return S_ISSOCK(file->stat().mode);
#endif
case 'd':
return file->stat().isDir();
case 'f':
return file->stat().isFile();
case 'l':
return file->stat().isSymlink();
#ifdef S_ISDOOR
case 'D':
return S_ISDOOR(file->stat().mode);
#endif
default:
return false;
}
}
static std::unique_ptr<QueryExpr> parse(w_query*, const json_ref& term) {
const char *ignore, *typestr, *found;
char arg;
if (json_unpack(term, "[s,u]", &ignore, &typestr) != 0) {
throw QueryParseError("must use [\"type\", \"typestr\"]");
}
found = strpbrk(typestr, "bcdfplsD");
if (!found || strlen(typestr) > 1) {
throw QueryParseError("invalid type string '", typestr, "'");
}
arg = *found;
return watchman::make_unique<TypeExpr>(arg);
}
};
W_TERM_PARSER("type", TypeExpr::parse)
/* vim:ts=2:sw=2:et:
*/
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