62 lines
1.8 KiB
C++
62 lines
1.8 KiB
C++
//===--- tools/extra/clang-tidy/GlobList.cpp ------------------------------===//
|
|
//
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "GlobList.h"
|
|
#include "llvm/ADT/SmallString.h"
|
|
|
|
using namespace clang;
|
|
using namespace tidy;
|
|
|
|
// Returns true if GlobList starts with the negative indicator ('-'), removes it
|
|
// from the GlobList.
|
|
static bool ConsumeNegativeIndicator(StringRef &GlobList) {
|
|
GlobList = GlobList.trim(" \r\n");
|
|
if (GlobList.startswith("-")) {
|
|
GlobList = GlobList.substr(1);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
// Converts first glob from the comma-separated list of globs to Regex and
|
|
// removes it and the trailing comma from the GlobList.
|
|
static llvm::Regex ConsumeGlob(StringRef &GlobList) {
|
|
StringRef UntrimmedGlob = GlobList.substr(0, GlobList.find(','));
|
|
StringRef Glob = UntrimmedGlob.trim(' ');
|
|
GlobList = GlobList.substr(UntrimmedGlob.size() + 1);
|
|
SmallString<128> RegexText("^");
|
|
StringRef MetaChars("()^$|*+?.[]\\{}");
|
|
for (char C : Glob) {
|
|
if (C == '*')
|
|
RegexText.push_back('.');
|
|
else if (MetaChars.find(C) != StringRef::npos)
|
|
RegexText.push_back('\\');
|
|
RegexText.push_back(C);
|
|
}
|
|
RegexText.push_back('$');
|
|
return llvm::Regex(RegexText);
|
|
}
|
|
|
|
GlobList::GlobList(StringRef Globs) {
|
|
do {
|
|
GlobListItem Item;
|
|
Item.IsPositive = !ConsumeNegativeIndicator(Globs);
|
|
Item.Regex = ConsumeGlob(Globs);
|
|
Items.push_back(std::move(Item));
|
|
} while (!Globs.empty());
|
|
}
|
|
|
|
bool GlobList::contains(StringRef S) {
|
|
bool Contains = false;
|
|
for (const GlobListItem &Item : Items) {
|
|
if (Item.Regex.match(S))
|
|
Contains = Item.IsPositive;
|
|
}
|
|
return Contains;
|
|
}
|