1 // Copyright 2018 The PDFium Authors
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include <cstdint>
6 #include <memory>
7
8 #include "core/fxcrt/fx_codepage.h"
9 #include "core/fxcrt/widestring.h"
10 #include "core/fxge/cfx_font.h"
11 #include "core/fxge/fx_font.h"
12 #include "xfa/fgas/font/cfgas_gefont.h"
13 #include "xfa/fgas/layout/cfgas_char.h"
14 #include "xfa/fgas/layout/cfgas_rtfbreak.h"
15
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)16 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
17 if (size > 8192)
18 return 0;
19
20 auto font = std::make_unique<CFX_Font>();
21 font->LoadSubst("Arial", true, 0, FXFONT_FW_NORMAL, 0, FX_CodePage::kDefANSI,
22 0);
23 assert(font);
24
25 CFGAS_RTFBreak rtf_break(CFGAS_Break::LayoutStyle::kExpandTab);
26 rtf_break.SetLineBreakTolerance(1);
27 rtf_break.SetFont(CFGAS_GEFont::LoadFont(std::move(font)));
28 rtf_break.SetFontSize(12);
29
30 WideString input =
31 WideString::FromUTF16LE(reinterpret_cast<const unsigned short*>(data),
32 size / sizeof(unsigned short));
33 for (wchar_t ch : input)
34 rtf_break.AppendChar(ch);
35
36 std::vector<CFGAS_Char> chars =
37 rtf_break.GetCurrentLineForTesting()->m_LineChars;
38 CFGAS_Char::BidiLine(&chars, chars.size());
39 return 0;
40 }
41