1 //===- FormatUtil.cpp ----------------------------------------- *- C++ --*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #include "FormatUtil.h"
11 #include "llvm/Support/Format.h"
12 #include "llvm/Support/FormatVariadic.h"
13 
14 using namespace lldb_private;
15 using namespace llvm;
16 
17 LinePrinter::LinePrinter(int Indent, llvm::raw_ostream &Stream)
18     : OS(Stream), IndentSpaces(Indent), CurrentIndent(0) {}
19 
20 void LinePrinter::Indent(uint32_t Amount) {
21   if (Amount == 0)
22     Amount = IndentSpaces;
23   CurrentIndent += Amount;
24 }
25 
26 void LinePrinter::Unindent(uint32_t Amount) {
27   if (Amount == 0)
28     Amount = IndentSpaces;
29   CurrentIndent = std::max<int>(0, CurrentIndent - Amount);
30 }
31 
32 void LinePrinter::NewLine() {
33   OS << "\n";
34   OS.indent(CurrentIndent);
35 }
36 
37 void LinePrinter::print(const Twine &T) { OS << T; }
38 
39 void LinePrinter::printLine(const Twine &T) {
40   NewLine();
41   OS << T;
42 }
43 
44 void LinePrinter::formatBinary(StringRef Label, ArrayRef<uint8_t> Data,
45                                uint32_t StartOffset) {
46   NewLine();
47   OS << Label << " (";
48   if (!Data.empty()) {
49     OS << "\n";
50     OS << format_bytes_with_ascii(Data, StartOffset, 32, 4,
51                                   CurrentIndent + IndentSpaces, true);
52     NewLine();
53   }
54   OS << ")";
55 }
56 
57 void LinePrinter::formatBinary(StringRef Label, ArrayRef<uint8_t> Data,
58                                uint64_t Base, uint32_t StartOffset) {
59   NewLine();
60   OS << Label << " (";
61   if (!Data.empty()) {
62     OS << "\n";
63     Base += StartOffset;
64     OS << format_bytes_with_ascii(Data, Base, 32, 4,
65                                   CurrentIndent + IndentSpaces, true);
66     NewLine();
67   }
68   OS << ")";
69 }
70