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//===- FormatUtil.cpp ----------------------------------------- *- C++ --*-===//
//
// 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 "FormatUtil.h"
#include "llvm/Support/Format.h"
#include "llvm/Support/FormatVariadic.h"

using namespace lldb_private;
using namespace llvm;

LinePrinter::Line::~Line() {
  if (P)
    P->NewLine();
}

LinePrinter::LinePrinter(int Indent, llvm::raw_ostream &Stream)
    : OS(Stream), IndentSpaces(Indent), CurrentIndent(0) {}

void LinePrinter::Indent(uint32_t Amount) {
  if (Amount == 0)
    Amount = IndentSpaces;
  CurrentIndent += Amount;
}

void LinePrinter::Unindent(uint32_t Amount) {
  if (Amount == 0)
    Amount = IndentSpaces;
  CurrentIndent = std::max<int>(0, CurrentIndent - Amount);
}

void LinePrinter::NewLine() {
  OS << "\n";
}

void LinePrinter::formatBinary(StringRef Label, ArrayRef<uint8_t> Data,
                               uint32_t StartOffset) {
  if (Data.empty()) {
    line() << Label << " ()";
    return;
  }
  line() << Label << " (";
  OS << format_bytes_with_ascii(Data, StartOffset, 32, 4,
                                CurrentIndent + IndentSpaces, true);
  NewLine();
  line() << ")";
}

void LinePrinter::formatBinary(StringRef Label, ArrayRef<uint8_t> Data,
                               uint64_t Base, uint32_t StartOffset) {
  if (Data.empty()) {
    line() << Label << " ()";
    return;
  }
  line() << Label << " (";
  Base += StartOffset;
  OS << format_bytes_with_ascii(Data, Base, 32, 4, CurrentIndent + IndentSpaces,
                                true);
  NewLine();
  line() << ")";
}