forked from OSchip/llvm-project
80 lines
2.5 KiB
C++
80 lines
2.5 KiB
C++
//===-- MockTildeExpressionResolver.cpp -----------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "MockTildeExpressionResolver.h"
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#include "llvm/Support/Path.h"
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using namespace lldb_private;
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using namespace llvm;
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MockTildeExpressionResolver::MockTildeExpressionResolver(StringRef CurrentUser,
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StringRef HomeDir)
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: CurrentUser(CurrentUser) {
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UserDirectories.insert(std::make_pair(CurrentUser, HomeDir));
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}
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void MockTildeExpressionResolver::AddKnownUser(StringRef User,
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StringRef HomeDir) {
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assert(UserDirectories.find(User) == UserDirectories.end());
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UserDirectories.insert(std::make_pair(User, HomeDir));
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}
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void MockTildeExpressionResolver::Clear() {
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CurrentUser = StringRef();
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UserDirectories.clear();
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}
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void MockTildeExpressionResolver::SetCurrentUser(StringRef User) {
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assert(UserDirectories.find(User) != UserDirectories.end());
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CurrentUser = User;
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}
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bool MockTildeExpressionResolver::ResolveExact(StringRef Expr,
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SmallVectorImpl<char> &Output) {
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Output.clear();
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assert(!llvm::any_of(
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Expr, [](char c) { return llvm::sys::path::is_separator(c); }));
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assert(Expr.empty() || Expr[0] == '~');
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Expr = Expr.drop_front();
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if (Expr.empty()) {
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auto Dir = UserDirectories[CurrentUser];
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Output.append(Dir.begin(), Dir.end());
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return true;
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}
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for (const auto &User : UserDirectories) {
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if (User.getKey() != Expr)
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continue;
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Output.append(User.getValue().begin(), User.getValue().end());
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return true;
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}
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return false;
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}
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bool MockTildeExpressionResolver::ResolvePartial(StringRef Expr,
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StringSet<> &Output) {
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Output.clear();
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assert(!llvm::any_of(
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Expr, [](char c) { return llvm::sys::path::is_separator(c); }));
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assert(Expr.empty() || Expr[0] == '~');
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Expr = Expr.drop_front();
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SmallString<16> QualifiedName("~");
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for (const auto &User : UserDirectories) {
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if (!User.getKey().startswith(Expr))
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continue;
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QualifiedName.resize(1);
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QualifiedName.append(User.getKey().begin(), User.getKey().end());
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Output.insert(QualifiedName);
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}
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return !Output.empty();
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}
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