diff options
Diffstat (limited to 'core/fpdfapi')
-rw-r--r-- | core/fpdfapi/fpdf_edit/fpdf_edit_create.cpp | 6 | ||||
-rw-r--r-- | core/fpdfapi/fpdf_font/cpdf_cidfont.cpp | 19 | ||||
-rw-r--r-- | core/fpdfapi/fpdf_page/fpdf_page_parser.cpp | 35 | ||||
-rw-r--r-- | core/fpdfapi/fpdf_parser/cpdf_security_handler.cpp | 38 | ||||
-rw-r--r-- | core/fpdfapi/fpdf_parser/cpdf_syntax_parser.cpp | 14 | ||||
-rw-r--r-- | core/fpdfapi/fpdf_parser/fpdf_parser_decode.cpp | 11 | ||||
-rw-r--r-- | core/fpdfapi/fpdf_render/fpdf_render_loadimage.cpp | 6 |
7 files changed, 52 insertions, 77 deletions
diff --git a/core/fpdfapi/fpdf_edit/fpdf_edit_create.cpp b/core/fpdfapi/fpdf_edit/fpdf_edit_create.cpp index 994c1c8a5a..0a833a4835 100644 --- a/core/fpdfapi/fpdf_edit/fpdf_edit_create.cpp +++ b/core/fpdfapi/fpdf_edit/fpdf_edit_create.cpp @@ -779,11 +779,11 @@ FX_BOOL CPDF_XRefStream::GenerateXRefStream(CPDF_Creator* pCreator, FX_CHAR offset_buf[20]; FXSYS_memset(offset_buf, 0, sizeof(offset_buf)); FXSYS_i64toa(m_PrevOffset, offset_buf, 10); - int32_t len = (int32_t)FXSYS_strlen(offset_buf); - if (pFile->AppendBlock(offset_buf, len) < 0) { + int32_t offset_len = (int32_t)FXSYS_strlen(offset_buf); + if (pFile->AppendBlock(offset_buf, offset_len) < 0) { return FALSE; } - offset += len + 6; + offset += offset_len + 6; } FX_BOOL bPredictor = TRUE; CPDF_FlateEncoder encoder(m_Buffer.GetBuffer(), m_Buffer.GetLength(), TRUE, diff --git a/core/fpdfapi/fpdf_font/cpdf_cidfont.cpp b/core/fpdfapi/fpdf_font/cpdf_cidfont.cpp index cde28fd534..194db8b25c 100644 --- a/core/fpdfapi/fpdf_font/cpdf_cidfont.cpp +++ b/core/fpdfapi/fpdf_font/cpdf_cidfont.cpp @@ -682,17 +682,17 @@ int CPDF_CIDFont::GlyphFromCharCode(uint32_t charcode, FX_BOOL* pVertGlyph) { if (!name) { return charcode == 0 ? -1 : (int)charcode; } - uint16_t unicode = PDF_UnicodeFromAdobeName(name); - if (unicode) { + uint16_t name_unicode = PDF_UnicodeFromAdobeName(name); + if (name_unicode) { if (bMSUnicode) { - index = FXFT_Get_Char_Index(face, unicode); + index = FXFT_Get_Char_Index(face, name_unicode); } else if (bMacRoman) { uint32_t maccode = - FT_CharCodeFromUnicode(FXFT_ENCODING_APPLE_ROMAN, unicode); + FT_CharCodeFromUnicode(FXFT_ENCODING_APPLE_ROMAN, name_unicode); index = !maccode ? FXFT_Get_Name_Index(face, (char*)name) : FXFT_Get_Char_Index(face, maccode); } else { - return FXFT_Get_Char_Index(face, unicode); + return FXFT_Get_Char_Index(face, name_unicode); } } else { return charcode == 0 ? -1 : (int)charcode; @@ -815,16 +815,15 @@ void CPDF_CIDFont::LoadMetricsArray(CPDF_Array* pArray, if (!pObj) continue; - if (CPDF_Array* pArray = pObj->AsArray()) { + if (CPDF_Array* pObjArray = pObj->AsArray()) { if (width_status != 1) return; - for (size_t j = 0; j < pArray->GetCount(); j += nElements) { + for (size_t j = 0; j < pObjArray->GetCount(); j += nElements) { result.Add(first_code); result.Add(first_code); - for (int k = 0; k < nElements; k++) { - result.Add(pArray->GetIntegerAt(j + k)); - } + for (int k = 0; k < nElements; k++) + result.Add(pObjArray->GetIntegerAt(j + k)); first_code++; } width_status = 0; diff --git a/core/fpdfapi/fpdf_page/fpdf_page_parser.cpp b/core/fpdfapi/fpdf_page/fpdf_page_parser.cpp index 52576043e3..4bd4a4d529 100644 --- a/core/fpdfapi/fpdf_page/fpdf_page_parser.cpp +++ b/core/fpdfapi/fpdf_page/fpdf_page_parser.cpp @@ -1139,31 +1139,16 @@ void CPDF_StreamContentParser::Handle_SetFont() { CPDF_Object* CPDF_StreamContentParser::FindResourceObj( const CFX_ByteString& type, const CFX_ByteString& name) { - if (!m_pResources) { - return NULL; - } - if (m_pResources == m_pPageResources) { - CPDF_Dictionary* pList = m_pResources->GetDictBy(type); - if (!pList) { - return NULL; - } - CPDF_Object* pRes = pList->GetDirectObjectBy(name); - return pRes; - } - CPDF_Dictionary* pList = m_pResources->GetDictBy(type); - if (!pList) { - if (!m_pPageResources) { - return NULL; - } - CPDF_Dictionary* pList = m_pPageResources->GetDictBy(type); - if (!pList) { - return NULL; - } - CPDF_Object* pRes = pList->GetDirectObjectBy(name); - return pRes; - } - CPDF_Object* pRes = pList->GetDirectObjectBy(name); - return pRes; + if (!m_pResources) + return nullptr; + CPDF_Dictionary* pDict = m_pResources->GetDictBy(type); + if (pDict) + return pDict->GetDirectObjectBy(name); + if (m_pResources == m_pPageResources || !m_pPageResources) + return nullptr; + + CPDF_Dictionary* pPageDict = m_pPageResources->GetDictBy(type); + return pPageDict ? pPageDict->GetDirectObjectBy(name) : nullptr; } CPDF_Font* CPDF_StreamContentParser::FindFont(const CFX_ByteString& name) { diff --git a/core/fpdfapi/fpdf_parser/cpdf_security_handler.cpp b/core/fpdfapi/fpdf_parser/cpdf_security_handler.cpp index 054266765a..a4629dcf6b 100644 --- a/core/fpdfapi/fpdf_parser/cpdf_security_handler.cpp +++ b/core/fpdfapi/fpdf_parser/cpdf_security_handler.cpp @@ -430,10 +430,9 @@ FX_BOOL CPDF_SecurityHandler::CheckUserPassword(const uint8_t* password, FXSYS_memset(test, 0, sizeof(test)); FXSYS_memset(tmpkey, 0, sizeof(tmpkey)); FXSYS_memcpy(test, ukey.c_str(), copy_len); - for (int i = 19; i >= 0; i--) { - for (int j = 0; j < key_len; j++) { - tmpkey[j] = key[j] ^ i; - } + for (int32_t i = 19; i >= 0; i--) { + for (int j = 0; j < key_len; j++) + tmpkey[j] = key[j] ^ static_cast<uint8_t>(i); CRYPT_ArcFourCryptBlock(test, 32, tmpkey, key_len); } uint8_t md5[100]; @@ -457,14 +456,13 @@ CFX_ByteString CPDF_SecurityHandler::GetUserPassword(const uint8_t* owner_pass, int32_t key_len) { CFX_ByteString okey = m_pEncryptDict->GetStringBy("O"); uint8_t passcode[32]; - uint32_t i; - for (i = 0; i < 32; i++) { + for (uint32_t i = 0; i < 32; i++) { passcode[i] = i < pass_size ? owner_pass[i] : defpasscode[i - pass_size]; } uint8_t digest[16]; CRYPT_MD5Generate(passcode, 32, digest); if (m_Revision >= 3) { - for (int i = 0; i < 50; i++) { + for (uint32_t i = 0; i < 50; i++) { CRYPT_MD5Generate(digest, 16, digest); } } @@ -485,12 +483,11 @@ CFX_ByteString CPDF_SecurityHandler::GetUserPassword(const uint8_t* owner_pass, if (m_Revision == 2) { CRYPT_ArcFourCryptBlock(okeybuf, okeylen, enckey, key_len); } else { - for (int i = 19; i >= 0; i--) { + for (int32_t i = 19; i >= 0; i--) { uint8_t tempkey[32]; FXSYS_memset(tempkey, 0, sizeof(tempkey)); - for (int j = 0; j < m_KeyLen; j++) { - tempkey[j] = enckey[j] ^ i; - } + for (int j = 0; j < m_KeyLen; j++) + tempkey[j] = enckey[j] ^ static_cast<uint8_t>(i); CRYPT_ArcFourCryptBlock(okeybuf, okeylen, tempkey, key_len); } } @@ -553,30 +550,27 @@ void CPDF_SecurityHandler::OnCreate(CPDF_Dictionary* pEncryptDict, } if (bDefault) { uint8_t passcode[32]; - uint32_t i; - for (i = 0; i < 32; i++) { + for (uint32_t i = 0; i < 32; i++) { passcode[i] = i < owner_size ? owner_pass[i] : defpasscode[i - owner_size]; } uint8_t digest[16]; CRYPT_MD5Generate(passcode, 32, digest); if (m_Revision >= 3) { - for (int i = 0; i < 50; i++) { + for (uint32_t i = 0; i < 50; i++) CRYPT_MD5Generate(digest, 16, digest); - } } uint8_t enckey[32]; FXSYS_memcpy(enckey, digest, key_len); - for (i = 0; i < 32; i++) { + for (uint32_t i = 0; i < 32; i++) { passcode[i] = i < user_size ? user_pass[i] : defpasscode[i - user_size]; } CRYPT_ArcFourCryptBlock(passcode, 32, enckey, key_len); uint8_t tempkey[32]; if (m_Revision >= 3) { - for (i = 1; i <= 19; i++) { - for (int j = 0; j < key_len; j++) { - tempkey[j] = enckey[j] ^ (uint8_t)i; - } + for (uint8_t i = 1; i <= 19; i++) { + for (int j = 0; j < key_len; j++) + tempkey[j] = enckey[j] ^ i; CRYPT_ArcFourCryptBlock(passcode, 32, tempkey, key_len); } } @@ -601,9 +595,9 @@ void CPDF_SecurityHandler::OnCreate(CPDF_Dictionary* pEncryptDict, CRYPT_MD5Finish(md5, digest); CRYPT_ArcFourCryptBlock(digest, 16, m_EncryptKey, key_len); uint8_t tempkey[32]; - for (int i = 1; i <= 19; i++) { + for (uint8_t i = 1; i <= 19; i++) { for (int j = 0; j < key_len; j++) { - tempkey[j] = m_EncryptKey[j] ^ (uint8_t)i; + tempkey[j] = m_EncryptKey[j] ^ i; } CRYPT_ArcFourCryptBlock(digest, 16, tempkey, key_len); } diff --git a/core/fpdfapi/fpdf_parser/cpdf_syntax_parser.cpp b/core/fpdfapi/fpdf_parser/cpdf_syntax_parser.cpp index 13a9972425..0eeb4a1afa 100644 --- a/core/fpdfapi/fpdf_parser/cpdf_syntax_parser.cpp +++ b/core/fpdfapi/fpdf_parser/cpdf_syntax_parser.cpp @@ -381,7 +381,7 @@ CPDF_Object* CPDF_SyntaxParser::GetObject(CPDF_IndirectObjectHolder* pObjList, if (++s_CurrentRecursionDepth > kParserMaxRecursionDepth) return nullptr; - FX_FILESIZE SavedPos = m_Pos; + FX_FILESIZE SavedObjPos = m_Pos; bool bIsNumber; CFX_ByteString word = GetNextWord(&bIsNumber); if (word.GetLength() == 0) @@ -392,10 +392,8 @@ CPDF_Object* CPDF_SyntaxParser::GetObject(CPDF_IndirectObjectHolder* pObjList, CFX_ByteString nextword = GetNextWord(&bIsNumber); if (bIsNumber) { CFX_ByteString nextword2 = GetNextWord(nullptr); - if (nextword2 == "R") { - uint32_t objnum = FXSYS_atoui(word.c_str()); - return new CPDF_Reference(pObjList, objnum); - } + if (nextword2 == "R") + return new CPDF_Reference(pObjList, FXSYS_atoui(word.c_str())); } m_Pos = SavedPos; return new CPDF_Number(word.AsStringC()); @@ -492,7 +490,7 @@ CPDF_Object* CPDF_SyntaxParser::GetObject(CPDF_IndirectObjectHolder* pObjList, } if (word == ">>") - m_Pos = SavedPos; + m_Pos = SavedObjPos; return nullptr; } @@ -505,7 +503,7 @@ CPDF_Object* CPDF_SyntaxParser::GetObjectByStrict( if (++s_CurrentRecursionDepth > kParserMaxRecursionDepth) return nullptr; - FX_FILESIZE SavedPos = m_Pos; + FX_FILESIZE SavedObjPos = m_Pos; bool bIsNumber; CFX_ByteString word = GetNextWord(&bIsNumber); if (word.GetLength() == 0) @@ -605,7 +603,7 @@ CPDF_Object* CPDF_SyntaxParser::GetObjectByStrict( } if (word == ">>") - m_Pos = SavedPos; + m_Pos = SavedObjPos; return nullptr; } diff --git a/core/fpdfapi/fpdf_parser/fpdf_parser_decode.cpp b/core/fpdfapi/fpdf_parser/fpdf_parser_decode.cpp index e9f5a6d468..7c489a35dc 100644 --- a/core/fpdfapi/fpdf_parser/fpdf_parser_decode.cpp +++ b/core/fpdfapi/fpdf_parser/fpdf_parser_decode.cpp @@ -447,12 +447,11 @@ CFX_WideString PDF_DecodeText(const uint8_t* src_data, uint32_t src_len) { if (unicode == 0x1b) { i += 2; while (i < max_chars * 2) { - uint16_t unicode = bBE ? (uni_str[i] << 8 | uni_str[i + 1]) - : (uni_str[i + 1] << 8 | uni_str[i]); + uint16_t unicode2 = bBE ? (uni_str[i] << 8 | uni_str[i + 1]) + : (uni_str[i + 1] << 8 | uni_str[i]); i += 2; - if (unicode == 0x1b) { + if (unicode2 == 0x1b) break; - } } } else { dest_buf[dest_pos++] = unicode; @@ -506,9 +505,9 @@ CFX_ByteString PDF_EncodeText(const FX_WCHAR* pString, int len) { dest_buf2[0] = 0xfe; dest_buf2[1] = 0xff; dest_buf2 += 2; - for (int i = 0; i < len; i++) { + for (int j = 0; j < len; j++) { *dest_buf2++ = pString[i] >> 8; - *dest_buf2++ = (uint8_t)pString[i]; + *dest_buf2++ = (uint8_t)pString[j]; } result.ReleaseBuffer(encLen); return result; diff --git a/core/fpdfapi/fpdf_render/fpdf_render_loadimage.cpp b/core/fpdfapi/fpdf_render/fpdf_render_loadimage.cpp index 75f6a231a4..4071a115df 100644 --- a/core/fpdfapi/fpdf_render/fpdf_render_loadimage.cpp +++ b/core/fpdfapi/fpdf_render/fpdf_render_loadimage.cpp @@ -381,7 +381,7 @@ int CPDF_DIBSource::ContinueLoadDIBSource(IFX_Pause* pPause) { } return ret1; } - FXCODEC_STATUS ret = pJbig2Module->ContinueDecode(m_pJbig2Context, pPause); + ret = pJbig2Module->ContinueDecode(m_pJbig2Context, pPause); if (ret < 0) { m_pCachedBitmap.reset(); m_pGlobalStream.reset(); @@ -864,8 +864,8 @@ void CPDF_DIBSource::LoadPalette() { m_pColorSpace->CountComponents() > 1) { int nComponents = m_pColorSpace->CountComponents(); std::vector<FX_FLOAT> temp_buf(nComponents); - for (int i = 0; i < nComponents; i++) { - temp_buf[i] = *color_value; + for (int k = 0; k < nComponents; k++) { + temp_buf[k] = *color_value; } m_pColorSpace->GetRGB(temp_buf.data(), R, G, B); } else { |