86 lines
2.3 KiB
C++
86 lines
2.3 KiB
C++
// Copyright 2019 PDFium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "xfa/fgas/crt/cfgas_stringformatter.h"
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#include <stdint.h>
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#include "core/fxcrt/fx_memory.h"
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#include "core/fxcrt/fx_string.h"
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#include "third_party/base/ptr_util.h"
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#include "xfa/fxfa/parser/cxfa_localemgr.h"
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namespace {
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const wchar_t* const kLocales[] = {L"en", L"fr", L"jp", L"zh"};
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const FX_DATETIMETYPE kTypes[] = {FX_DATETIMETYPE_Date, FX_DATETIMETYPE_Time,
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FX_DATETIMETYPE_DateTime,
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FX_DATETIMETYPE_TimeDate};
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} // namespace
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
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if (size < 5 || size > 128) // Big strings are unlikely to help.
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return 0;
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// Static for speed.
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static std::vector<std::unique_ptr<CXFA_LocaleMgr>> mgrs;
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if (mgrs.empty()) {
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for (const auto* locale : kLocales)
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mgrs.push_back(pdfium::MakeUnique<CXFA_LocaleMgr>(nullptr, locale));
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}
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uint8_t test_selector = data[0] % 10;
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uint8_t locale_selector = data[1] % FX_ArraySize(kLocales);
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uint8_t type_selector = data[2] % FX_ArraySize(kTypes);
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data += 3;
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size -= 3;
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size_t pattern_len = size / 2;
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size_t value_len = size - pattern_len;
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WideString pattern =
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WideString::FromLatin1(ByteStringView(data, pattern_len));
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WideString value =
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WideString::FromLatin1(ByteStringView(data + pattern_len, value_len));
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auto fmt = pdfium::MakeUnique<CFGAS_StringFormatter>(
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mgrs[locale_selector].get(), pattern);
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WideString result;
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CFX_DateTime dt;
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switch (test_selector) {
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case 0:
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fmt->FormatText(value, &result);
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break;
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case 1:
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fmt->FormatNum(value, &result);
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break;
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case 2:
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fmt->FormatDateTime(value, kTypes[type_selector], &result);
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break;
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case 3:
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fmt->FormatNull(&result);
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break;
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case 4:
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fmt->FormatZero(&result);
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break;
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case 5:
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fmt->ParseText(value, &result);
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break;
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case 6:
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fmt->ParseNum(value, &result);
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break;
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case 7:
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fmt->ParseDateTime(value, kTypes[type_selector], &dt);
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break;
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case 8:
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fmt->ParseNull(value);
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break;
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case 9:
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fmt->ParseZero(value);
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break;
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}
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return 0;
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}
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