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-rw-r--r--core/src/fpdfapi/fpdf_font/fpdf_font.cpp41
-rw-r--r--core/src/fpdfapi/fpdf_font/fpdf_font_cid.cpp32
-rw-r--r--core/src/fpdfapi/fpdf_page/fpdf_page_parser.cpp2
-rw-r--r--core/src/fpdfapi/fpdf_page/fpdf_page_parser_old.cpp31
-rw-r--r--core/src/fpdfapi/fpdf_parser/fpdf_parser_decode.cpp16
-rw-r--r--core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp141
-rw-r--r--core/src/fpdfapi/fpdf_parser/fpdf_parser_utility.cpp16
-rw-r--r--core/src/fpdftext/fpdf_text.cpp4
-rw-r--r--core/src/fpdftext/fpdf_text_int.cpp5
-rw-r--r--core/src/fxcodec/codec/fx_codec.cpp36
-rw-r--r--core/src/fxcrt/fx_basic_bstring.cpp4
-rw-r--r--core/src/fxcrt/fx_basic_gcc.cpp11
-rw-r--r--core/src/fxcrt/fx_basic_util.cpp8
-rw-r--r--core/src/fxcrt/fx_basic_wstring.cpp4
-rw-r--r--core/src/fxcrt/fx_extension.cpp9
-rw-r--r--core/src/fxcrt/fx_extension_unittest.cpp14
16 files changed, 214 insertions, 160 deletions
diff --git a/core/src/fpdfapi/fpdf_font/fpdf_font.cpp b/core/src/fpdfapi/fpdf_font/fpdf_font.cpp
index e5389f8c77..543816b03a 100644
--- a/core/src/fpdfapi/fpdf_font/fpdf_font.cpp
+++ b/core/src/fpdfapi/fpdf_font/fpdf_font.cpp
@@ -8,7 +8,6 @@
#include "../../../include/fpdfapi/fpdf_page.h"
#include "../../../include/fpdfapi/fpdf_pageobj.h"
#include "../../../include/fpdfapi/fpdf_resource.h"
-#include "../../../include/fxcrt/fx_ext.h"
#include "../../../include/fxge/fx_freetype.h"
#include "../fpdf_page/pageint.h"
#include "font_int.h"
@@ -512,25 +511,32 @@ FX_DWORD CPDF_ToUnicodeMap::ReverseLookup(FX_WCHAR unicode) {
static FX_DWORD _StringToCode(const CFX_ByteStringC& str) {
const FX_CHAR* buf = str.GetCStr();
int len = str.GetLength();
- if (len == 0)
+ if (len == 0) {
return 0;
-
+ }
int result = 0;
if (buf[0] == '<') {
for (int i = 1; i < len; i++) {
- if (!std::isxdigit(buf[i]))
+ int digit;
+ if (buf[i] >= '0' && buf[i] <= '9') {
+ digit = buf[i] - '0';
+ } else if (buf[i] >= 'a' && buf[i] <= 'f') {
+ digit = buf[i] - 'a' + 10;
+ } else if (buf[i] >= 'A' && buf[i] <= 'F') {
+ digit = buf[i] - 'A' + 10;
+ } else {
break;
- result = result * 16 + HexCharToDigit(buf[i]);
+ }
+ result = result * 16 + digit;
}
return result;
}
-
for (int i = 0; i < len; i++) {
- if (!std::isdigit(buf[i]))
+ if (buf[i] < '0' || buf[i] > '9') {
break;
+ }
result = result * 10 + buf[i] - '0';
}
-
return result;
}
static CFX_WideString _StringDataAdd(CFX_WideString str) {
@@ -554,18 +560,25 @@ static CFX_WideString _StringDataAdd(CFX_WideString str) {
static CFX_WideString _StringToWideString(const CFX_ByteStringC& str) {
const FX_CHAR* buf = str.GetCStr();
int len = str.GetLength();
- if (len == 0)
+ if (len == 0) {
return CFX_WideString();
-
+ }
CFX_WideString result;
if (buf[0] == '<') {
int byte_pos = 0;
FX_WCHAR ch = 0;
for (int i = 1; i < len; i++) {
- if (!std::isxdigit(buf[i]))
+ int digit;
+ if (buf[i] >= '0' && buf[i] <= '9') {
+ digit = buf[i] - '0';
+ } else if (buf[i] >= 'a' && buf[i] <= 'f') {
+ digit = buf[i] - 'a' + 10;
+ } else if (buf[i] >= 'A' && buf[i] <= 'F') {
+ digit = buf[i] - 'A' + 10;
+ } else {
break;
-
- ch = ch * 16 + HexCharToDigit(buf[i]);
+ }
+ ch = ch * 16 + digit;
byte_pos++;
if (byte_pos == 4) {
result += ch;
@@ -575,6 +588,8 @@ static CFX_WideString _StringToWideString(const CFX_ByteStringC& str) {
}
return result;
}
+ if (buf[0] == '(') {
+ }
return result;
}
void CPDF_ToUnicodeMap::Load(CPDF_Stream* pStream) {
diff --git a/core/src/fpdfapi/fpdf_font/fpdf_font_cid.cpp b/core/src/fpdfapi/fpdf_font/fpdf_font_cid.cpp
index 165ef5bad5..02f0933f36 100644
--- a/core/src/fpdfapi/fpdf_font/fpdf_font_cid.cpp
+++ b/core/src/fpdfapi/fpdf_font/fpdf_font_cid.cpp
@@ -7,7 +7,6 @@
#include "../../../include/fpdfapi/fpdf_module.h"
#include "../../../include/fpdfapi/fpdf_page.h"
#include "../../../include/fpdfapi/fpdf_resource.h"
-#include "../../../include/fxcrt/fx_ext.h"
#include "../../../include/fxge/fx_freetype.h"
#include "../../../include/fxge/fx_ge.h"
#include "../fpdf_cmaps/cmap_int.h"
@@ -191,15 +190,22 @@ FX_DWORD CMap_GetCode(const CFX_ByteStringC& word) {
if (word.GetAt(0) == '<') {
for (int i = 1; i < word.GetLength(); i++) {
uint8_t digit = word.GetAt(i);
- if (!std::isxdigit(digit))
+ if (digit >= '0' && digit <= '9') {
+ digit = digit - '0';
+ } else if (digit >= 'a' && digit <= 'f') {
+ digit = digit - 'a' + 10;
+ } else if (digit >= 'A' && digit <= 'F') {
+ digit = digit - 'A' + 10;
+ } else {
return num;
- num = num * 16 + HexCharToDigit(digit);
+ }
+ num = num * 16 + digit;
}
} else {
for (int i = 0; i < word.GetLength(); i++) {
- if (!std::isdigit(word.GetAt(i)))
+ if (word.GetAt(i) < '0' || word.GetAt(i) > '9') {
return num;
-
+ }
num = num * 10 + word.GetAt(i) - '0';
}
}
@@ -225,7 +231,13 @@ bool CMap_GetCodeRange(CMap_CodeRange& range,
for (i = 0; i < range.m_CharSize; ++i) {
uint8_t digit1 = first.GetAt(i * 2 + 1);
uint8_t digit2 = first.GetAt(i * 2 + 2);
- range.m_Lower[i] = HexCharToDigit(digit1) * 16 + HexCharToDigit(digit2);
+ uint8_t byte = (digit1 >= '0' && digit1 <= '9')
+ ? (digit1 - '0')
+ : ((digit1 & 0xdf) - 'A' + 10);
+ byte = byte * 16 + ((digit2 >= '0' && digit2 <= '9')
+ ? (digit2 - '0')
+ : ((digit2 & 0xdf) - 'A' + 10));
+ range.m_Lower[i] = byte;
}
FX_DWORD size = second.GetLength();
@@ -234,7 +246,13 @@ bool CMap_GetCodeRange(CMap_CodeRange& range,
((FX_DWORD)i * 2 + 1 < size) ? second.GetAt((FX_STRSIZE)i * 2 + 1) : 0;
uint8_t digit2 =
((FX_DWORD)i * 2 + 2 < size) ? second.GetAt((FX_STRSIZE)i * 2 + 2) : 0;
- range.m_Upper[i] = HexCharToDigit(digit1) * 16 + HexCharToDigit(digit2);
+ uint8_t byte = (digit1 >= '0' && digit1 <= '9')
+ ? (digit1 - '0')
+ : ((digit1 & 0xdf) - 'A' + 10);
+ byte = byte * 16 + ((digit2 >= '0' && digit2 <= '9')
+ ? (digit2 - '0')
+ : ((digit2 & 0xdf) - 'A' + 10));
+ range.m_Upper[i] = byte;
}
return true;
}
diff --git a/core/src/fpdfapi/fpdf_page/fpdf_page_parser.cpp b/core/src/fpdfapi/fpdf_page/fpdf_page_parser.cpp
index cc9b0fcbe8..3057948959 100644
--- a/core/src/fpdfapi/fpdf_page/fpdf_page_parser.cpp
+++ b/core/src/fpdfapi/fpdf_page/fpdf_page_parser.cpp
@@ -1540,7 +1540,7 @@ CFX_ByteString _FPDF_ByteStringFromHex(CFX_BinaryBuf& src_buf) {
FX_DWORD size = src_buf.GetSize();
for (FX_DWORD i = 0; i < size; i++) {
uint8_t ch = str[i];
- if (std::isdigit(ch)) {
+ if (ch >= '0' && ch <= '9') {
if (bFirst) {
code = (ch - '0') * 16;
} else {
diff --git a/core/src/fpdfapi/fpdf_page/fpdf_page_parser_old.cpp b/core/src/fpdfapi/fpdf_page/fpdf_page_parser_old.cpp
index 88e2269c7a..1fa27e3805 100644
--- a/core/src/fpdfapi/fpdf_page/fpdf_page_parser_old.cpp
+++ b/core/src/fpdfapi/fpdf_page/fpdf_page_parser_old.cpp
@@ -7,7 +7,6 @@
#include "../../../include/fpdfapi/fpdf_page.h"
#include "../../../include/fpdfapi/fpdf_module.h"
#include "../../../include/fxcodec/fx_codec.h"
-#include "../../../include/fxcrt/fx_ext.h"
#include "pageint.h"
#include <limits.h>
@@ -876,20 +875,34 @@ CFX_ByteString CPDF_StreamParser::ReadHexString() {
FX_BOOL bFirst = TRUE;
int code = 0;
while (1) {
- if (ch == '>')
+ if (ch == '>') {
break;
-
- if (std::isxdigit(ch)) {
- int val = HexCharToDigit(ch);
+ }
+ if (ch >= '0' && ch <= '9') {
+ if (bFirst) {
+ code = (ch - '0') * 16;
+ } else {
+ code += ch - '0';
+ buf.AppendChar((char)code);
+ }
+ bFirst = !bFirst;
+ } else if (ch >= 'A' && ch <= 'F') {
if (bFirst) {
- code = val * 16;
+ code = (ch - 'A' + 10) * 16;
} else {
- code += val;
- buf.AppendByte((uint8_t)code);
+ code += ch - 'A' + 10;
+ buf.AppendChar((char)code);
+ }
+ bFirst = !bFirst;
+ } else if (ch >= 'a' && ch <= 'f') {
+ if (bFirst) {
+ code = (ch - 'a' + 10) * 16;
+ } else {
+ code += ch - 'a' + 10;
+ buf.AppendChar((char)code);
}
bFirst = !bFirst;
}
-
if (!PositionIsInBounds())
break;
diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_decode.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_decode.cpp
index eaff29d812..255d0ce29c 100644
--- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_decode.cpp
+++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_decode.cpp
@@ -8,7 +8,6 @@
#include "../../../include/fpdfapi/fpdf_parser.h"
#include "../../../include/fpdfapi/fpdf_module.h"
#include "../../../include/fxcodec/fx_codec.h"
-#include "../../../include/fxcrt/fx_ext.h"
#define _STREAM_MAX_SIZE_ 20 * 1024 * 1024
@@ -136,20 +135,23 @@ FX_DWORD _HexDecode(const uint8_t* src_buf,
continue;
int digit;
- if (std::isxdigit(ch)) {
- digit = HexCharToDigit(ch);
+ if (ch <= '9' && ch >= '0') {
+ digit = ch - '0';
+ } else if (ch <= 'f' && ch >= 'a') {
+ digit = ch - 'a' + 10;
+ } else if (ch <= 'F' && ch >= 'A') {
+ digit = ch - 'A' + 10;
} else if (ch == '>') {
i++;
break;
} else {
continue;
}
-
- if (bFirstDigit)
+ if (bFirstDigit) {
dest_buf[dest_size] = digit * 16;
- else
+ } else {
dest_buf[dest_size++] += digit;
-
+ }
bFirstDigit = !bFirstDigit;
}
if (!bFirstDigit) {
diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
index fa114f9cfb..4ce196e90d 100644
--- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
+++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
@@ -13,7 +13,6 @@
#include "../../../include/fpdfapi/fpdf_module.h"
#include "../../../include/fpdfapi/fpdf_page.h"
#include "../../../include/fpdfapi/fpdf_parser.h"
-#include "../../../include/fxcrt/fx_ext.h"
#include "../../../include/fxcrt/fx_safe_types.h"
#include "../fpdf_page/pageint.h"
@@ -163,83 +162,85 @@ FX_DWORD CPDF_Parser::StartParse(IFX_FileRead* pFileAccess,
m_bXRefStream = FALSE;
m_LastXRefOffset = 0;
m_bOwnFileRead = bOwnFileRead;
-
int32_t offset = GetHeaderOffset(pFileAccess);
if (offset == -1) {
- if (bOwnFileRead && pFileAccess)
+ if (bOwnFileRead && pFileAccess) {
pFileAccess->Release();
+ }
return PDFPARSE_ERROR_FORMAT;
}
m_Syntax.InitParser(pFileAccess, offset);
-
uint8_t ch;
- if (!m_Syntax.GetCharAt(5, ch))
+ if (!m_Syntax.GetCharAt(5, ch)) {
return PDFPARSE_ERROR_FORMAT;
- if (std::isdigit(ch))
+ }
+ if (ch >= '0' && ch <= '9') {
m_FileVersion = (ch - '0') * 10;
-
- if (!m_Syntax.GetCharAt(7, ch))
+ }
+ if (!m_Syntax.GetCharAt(7, ch)) {
return PDFPARSE_ERROR_FORMAT;
- if (std::isdigit(ch))
+ }
+ if (ch >= '0' && ch <= '9') {
m_FileVersion += ch - '0';
-
- if (m_Syntax.m_FileLen < m_Syntax.m_HeaderOffset + 9)
+ }
+ if (m_Syntax.m_FileLen < m_Syntax.m_HeaderOffset + 9) {
return PDFPARSE_ERROR_FORMAT;
-
+ }
m_Syntax.RestorePos(m_Syntax.m_FileLen - m_Syntax.m_HeaderOffset - 9);
- if (!bReParse)
+ if (!bReParse) {
m_pDocument = new CPDF_Document(this);
-
+ }
FX_BOOL bXRefRebuilt = FALSE;
if (m_Syntax.SearchWord(FX_BSTRC("startxref"), TRUE, FALSE, 4096)) {
FX_FILESIZE startxref_offset = m_Syntax.SavePos();
void* pResult = FXSYS_bsearch(&startxref_offset, m_SortedOffset.GetData(),
m_SortedOffset.GetSize(), sizeof(FX_FILESIZE),
CompareFileSize);
- if (!pResult)
+ if (pResult == NULL) {
m_SortedOffset.Add(startxref_offset);
-
+ }
m_Syntax.GetKeyword();
FX_BOOL bNumber;
CFX_ByteString xrefpos_str = m_Syntax.GetNextWord(bNumber);
- if (!bNumber)
+ if (!bNumber) {
return PDFPARSE_ERROR_FORMAT;
-
+ }
m_LastXRefOffset = (FX_FILESIZE)FXSYS_atoi64(xrefpos_str);
if (!LoadAllCrossRefV4(m_LastXRefOffset) &&
!LoadAllCrossRefV5(m_LastXRefOffset)) {
- if (!RebuildCrossRef())
+ if (!RebuildCrossRef()) {
return PDFPARSE_ERROR_FORMAT;
-
+ }
bXRefRebuilt = TRUE;
m_LastXRefOffset = 0;
}
} else {
- if (!RebuildCrossRef())
+ if (!RebuildCrossRef()) {
return PDFPARSE_ERROR_FORMAT;
-
+ }
bXRefRebuilt = TRUE;
}
FX_DWORD dwRet = SetEncryptHandler();
- if (dwRet != PDFPARSE_ERROR_SUCCESS)
+ if (dwRet != PDFPARSE_ERROR_SUCCESS) {
return dwRet;
-
+ }
m_pDocument->LoadDoc();
- if (!m_pDocument->GetRoot() || m_pDocument->GetPageCount() == 0) {
- if (bXRefRebuilt)
+ if (m_pDocument->GetRoot() == NULL || m_pDocument->GetPageCount() == 0) {
+ if (bXRefRebuilt) {
return PDFPARSE_ERROR_FORMAT;
-
+ }
ReleaseEncryptHandler();
- if (!RebuildCrossRef())
+ if (!RebuildCrossRef()) {
return PDFPARSE_ERROR_FORMAT;
-
+ }
dwRet = SetEncryptHandler();
- if (dwRet != PDFPARSE_ERROR_SUCCESS)
+ if (dwRet != PDFPARSE_ERROR_SUCCESS) {
return dwRet;
-
+ }
m_pDocument->LoadDoc();
- if (!m_pDocument->GetRoot())
+ if (m_pDocument->GetRoot() == NULL) {
return PDFPARSE_ERROR_FORMAT;
+ }
}
FXSYS_qsort(m_SortedOffset.GetData(), m_SortedOffset.GetSize(),
sizeof(FX_FILESIZE), CompareFileSize);
@@ -248,12 +249,13 @@ FX_DWORD CPDF_Parser::StartParse(IFX_FileRead* pFileAccess,
ReleaseEncryptHandler();
RebuildCrossRef();
RootObjNum = GetRootObjNum();
- if (RootObjNum == 0)
+ if (RootObjNum == 0) {
return PDFPARSE_ERROR_FORMAT;
-
+ }
dwRet = SetEncryptHandler();
- if (dwRet != PDFPARSE_ERROR_SUCCESS)
+ if (dwRet != PDFPARSE_ERROR_SUCCESS) {
return dwRet;
+ }
}
if (m_pSecurityHandler && !m_pSecurityHandler->IsMetadataEncrypted()) {
CPDF_Reference* pMetadata =
@@ -457,8 +459,9 @@ FX_BOOL CPDF_Parser::LoadLinearizedCrossRefV4(FX_FILESIZE pos,
int32_t offset = FXSYS_atoi(pEntry);
if (offset == 0) {
for (int32_t c = 0; c < 10; c++) {
- if (!std::isdigit(pEntry[c]))
+ if (pEntry[c] < '0' || pEntry[c] > '9') {
return FALSE;
+ }
}
}
m_CrossRef.SetAtGrow(objnum, offset);
@@ -557,8 +560,9 @@ bool CPDF_Parser::LoadCrossRefV4(FX_FILESIZE pos,
FX_FILESIZE offset = (FX_FILESIZE)FXSYS_atoi64(pEntry);
if (offset == 0) {
for (int32_t c = 0; c < 10; c++) {
- if (!std::isdigit(pEntry[c]))
+ if (pEntry[c] < '0' || pEntry[c] > '9') {
return false;
+ }
}
}
m_CrossRef.SetAtGrow(objnum, offset);
@@ -626,32 +630,28 @@ FX_BOOL CPDF_Parser::RebuildCrossRef() {
uint8_t byte = buffer[i];
switch (status) {
case 0:
- if (PDFCharIsWhitespace(byte))
+ if (PDFCharIsWhitespace(byte)) {
status = 1;
-
- if (std::isdigit(byte)) {
+ }
+ if (byte <= '9' && byte >= '0') {
--i;
status = 1;
}
-
if (byte == '%') {
inside_index = 0;
status = 9;
}
-
if (byte == '(') {
status = 10;
depth = 1;
}
-
if (byte == '<') {
inside_index = 1;
status = 11;
}
-
- if (byte == '\\')
+ if (byte == '\\') {
status = 13;
-
+ }
if (byte == 't') {
status = 7;
inside_index = 1;
@@ -660,7 +660,7 @@ FX_BOOL CPDF_Parser::RebuildCrossRef() {
case 1:
if (PDFCharIsWhitespace(byte)) {
break;
- } else if (std::isdigit(byte)) {
+ } else if (byte <= '9' && byte >= '0') {
start_pos = pos + i;
status = 2;
objnum = byte - '0';
@@ -676,7 +676,7 @@ FX_BOOL CPDF_Parser::RebuildCrossRef() {
}
break;
case 2:
- if (std::isdigit(byte)) {
+ if (byte <= '9' && byte >= '0') {
objnum = objnum * 10 + byte - '0';
break;
} else if (PDFCharIsWhitespace(byte)) {
@@ -688,7 +688,7 @@ FX_BOOL CPDF_Parser::RebuildCrossRef() {
}
break;
case 3:
- if (std::isdigit(byte)) {
+ if (byte <= '9' && byte >= '0') {
start_pos1 = pos + i;
status = 4;
gennum = byte - '0';
@@ -703,7 +703,7 @@ FX_BOOL CPDF_Parser::RebuildCrossRef() {
}
break;
case 4:
- if (std::isdigit(byte)) {
+ if (byte <= '9' && byte >= '0') {
gennum = gennum * 10 + byte - '0';
break;
} else if (PDFCharIsWhitespace(byte)) {
@@ -719,7 +719,7 @@ FX_BOOL CPDF_Parser::RebuildCrossRef() {
inside_index = 1;
} else if (PDFCharIsWhitespace(byte)) {
break;
- } else if (std::isdigit(byte)) {
+ } else if (byte <= '9' && byte >= '0') {
objnum = gennum;
gennum = byte - '0';
start_pos = start_pos1;
@@ -1922,33 +1922,48 @@ CFX_ByteString CPDF_SyntaxParser::ReadString() {
}
CFX_ByteString CPDF_SyntaxParser::ReadHexString() {
uint8_t ch;
- if (!GetNextChar(ch))
+ if (!GetNextChar(ch)) {
return CFX_ByteString();
-
+ }
CFX_BinaryBuf buf;
FX_BOOL bFirst = TRUE;
uint8_t code = 0;
while (1) {
- if (ch == '>')
+ if (ch == '>') {
break;
-
- if (std::isxdigit(ch)) {
- int val = HexCharToDigit(ch);
+ }
+ if (ch >= '0' && ch <= '9') {
+ if (bFirst) {
+ code = (ch - '0') * 16;
+ } else {
+ code += ch - '0';
+ buf.AppendByte((uint8_t)code);
+ }
+ bFirst = !bFirst;
+ } else if (ch >= 'A' && ch <= 'F') {
if (bFirst) {
- code = val * 16;
+ code = (ch - 'A' + 10) * 16;
} else {
- code += val;
+ code += ch - 'A' + 10;
+ buf.AppendByte((uint8_t)code);
+ }
+ bFirst = !bFirst;
+ } else if (ch >= 'a' && ch <= 'f') {
+ if (bFirst) {
+ code = (ch - 'a' + 10) * 16;
+ } else {
+ code += ch - 'a' + 10;
buf.AppendByte((uint8_t)code);
}
bFirst = !bFirst;
}
-
- if (!GetNextChar(ch))
+ if (!GetNextChar(ch)) {
break;
+ }
}
- if (!bFirst)
+ if (!bFirst) {
buf.AppendByte((uint8_t)code);
-
+ }
return buf.GetByteString();
}
void CPDF_SyntaxParser::ToNextLine() {
diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_utility.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_utility.cpp
index d7c4136447..335101e85b 100644
--- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_utility.cpp
+++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_utility.cpp
@@ -5,7 +5,6 @@
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
#include "../../../include/fpdfapi/fpdf_parser.h"
-#include "../../../include/fxcrt/fx_ext.h"
// Indexed by 8-bit character code, contains either:
// 'W' - for whitespace: NUL, TAB, CR, LF, FF, 0x80, 0xff
@@ -280,7 +279,18 @@ FX_BOOL CPDF_SimpleParser::FindTagParam(const CFX_ByteStringC& token,
}
return FALSE;
}
-
+static int _hex2dec(char ch) {
+ if (ch >= '0' && ch <= '9') {
+ return ch - '0';
+ }
+ if (ch >= 'a' && ch <= 'f') {
+ return ch - 'a' + 10;
+ }
+ if (ch >= 'A' && ch <= 'F') {
+ return ch - 'A' + 10;
+ }
+ return 0;
+}
CFX_ByteString PDF_NameDecode(const CFX_ByteStringC& bstr) {
int size = bstr.GetLength();
const FX_CHAR* pSrc = bstr.GetCStr();
@@ -292,7 +302,7 @@ CFX_ByteString PDF_NameDecode(const CFX_ByteStringC& bstr) {
FX_CHAR* pDest = pDestStart;
for (int i = 0; i < size; i++) {
if (pSrc[i] == '#' && i < size - 2) {
- *pDest++ = HexCharToDigit(pSrc[i + 1]) * 16 + HexCharToDigit(pSrc[i + 2]);
+ *pDest++ = _hex2dec(pSrc[i + 1]) * 16 + _hex2dec(pSrc[i + 2]);
i += 2;
} else {
*pDest++ = pSrc[i];
diff --git a/core/src/fpdftext/fpdf_text.cpp b/core/src/fpdftext/fpdf_text.cpp
index e9ad338025..9ecbc21bda 100644
--- a/core/src/fpdftext/fpdf_text.cpp
+++ b/core/src/fpdftext/fpdf_text.cpp
@@ -436,8 +436,10 @@ void NormalizeString(CFX_WideString& str) {
static FX_BOOL IsNumber(CFX_WideString& str) {
for (int i = 0; i < str.GetLength(); i++) {
FX_WCHAR ch = str[i];
- if (!std::isdigit(ch) && ch != '-' && ch != '+' && ch != '.' && ch != ' ')
+ if ((ch < '0' || ch > '9') && ch != '-' && ch != '+' && ch != '.' &&
+ ch != ' ') {
return FALSE;
+ }
}
return TRUE;
}
diff --git a/core/src/fpdftext/fpdf_text_int.cpp b/core/src/fpdftext/fpdf_text_int.cpp
index 4459552c84..9ab09e19e4 100644
--- a/core/src/fpdftext/fpdf_text_int.cpp
+++ b/core/src/fpdftext/fpdf_text_int.cpp
@@ -2433,11 +2433,12 @@ FX_BOOL CPDF_TextPageFind::IsMatchWholeWord(const CFX_WideString& csPageText,
}
if ((char_left > 'A' && char_left < 'a') ||
(char_left > 'a' && char_left < 'z') ||
- (char_left > 0xfb00 && char_left < 0xfb06) || std::isdigit(char_left) ||
+ (char_left > 0xfb00 && char_left < 0xfb06) ||
+ (char_left >= '0' && char_left <= '9') ||
(char_right > 'A' && char_right < 'a') ||
(char_right > 'a' && char_right < 'z') ||
(char_right > 0xfb00 && char_right < 0xfb06) ||
- std::isdigit(char_right)) {
+ (char_right >= '0' && char_right <= '9')) {
return FALSE;
}
if (!(('A' > char_left || char_left > 'Z') &&
diff --git a/core/src/fxcodec/codec/fx_codec.cpp b/core/src/fxcodec/codec/fx_codec.cpp
index eca6505d12..46f479e0b1 100644
--- a/core/src/fxcodec/codec/fx_codec.cpp
+++ b/core/src/fxcodec/codec/fx_codec.cpp
@@ -157,13 +157,13 @@ extern "C" double FXstrtod(const char* nptr, char** endptr) {
return 0.0;
}
for (;; ptr++) {
- if (!e_number && !e_point && (*ptr == '\t' || *ptr == ' '))
+ if (!e_number && !e_point && (*ptr == '\t' || *ptr == ' ')) {
continue;
-
- if (std::isdigit(*ptr)) {
- if (!e_number)
+ }
+ if (*ptr >= '0' && *ptr <= '9') {
+ if (!e_number) {
e_number = 1;
-
+ }
if (!e_point) {
ret *= 10;
ret += (*ptr - '0');
@@ -188,29 +188,29 @@ extern "C" double FXstrtod(const char* nptr, char** endptr) {
}
}
if (e_number && (*ptr == 'e' || *ptr == 'E')) {
-#define EXPONENT_DETECT(ptr) \
- for (;; ptr++) { \
- if (!std::isdigit(*ptr)) { \
- if (endptr) \
- *endptr = (char*)ptr; \
- break; \
- } else { \
- exp_ret *= 10; \
- exp_ret += (*ptr - '0'); \
- continue; \
- } \
+#define EXPONENT_DETECT(ptr) \
+ for (;; ptr++) { \
+ if (*ptr < '0' || *ptr > '9') { \
+ if (endptr) \
+ *endptr = (char*)ptr; \
+ break; \
+ } else { \
+ exp_ret *= 10; \
+ exp_ret += (*ptr - '0'); \
+ continue; \
+ } \
}
exp_ptr = ptr++;
if (*ptr == '+' || *ptr == '-') {
exp_sig = (*ptr++ == '+') ? 1 : -1;
- if (!std::isdigit(*ptr)) {
+ if (*ptr < '0' || *ptr > '9') {
if (endptr) {
*endptr = (char*)exp_ptr;
}
break;
}
EXPONENT_DETECT(ptr);
- } else if (std::isdigit(*ptr)) {
+ } else if (*ptr >= '0' && *ptr <= '9') {
EXPONENT_DETECT(ptr);
} else {
if (endptr) {
diff --git a/core/src/fxcrt/fx_basic_bstring.cpp b/core/src/fxcrt/fx_basic_bstring.cpp
index d5ffcddb6d..c706912d9d 100644
--- a/core/src/fxcrt/fx_basic_bstring.cpp
+++ b/core/src/fxcrt/fx_basic_bstring.cpp
@@ -493,7 +493,7 @@ void CFX_ByteString::FormatV(const FX_CHAR* lpszFormat, va_list argList) {
}
if (nWidth == 0) {
nWidth = FXSYS_atoi(lpsz);
- for (; std::isdigit(*lpsz); lpsz++)
+ for (; (*lpsz) >= '0' && (*lpsz) <= '9'; lpsz++)
;
}
if (nWidth < 0 || nWidth > 128 * 1024) {
@@ -509,7 +509,7 @@ void CFX_ByteString::FormatV(const FX_CHAR* lpszFormat, va_list argList) {
lpsz++;
} else {
nPrecision = FXSYS_atoi(lpsz);
- for (; std::isdigit(*lpsz); lpsz++)
+ for (; (*lpsz) >= '0' && (*lpsz) <= '9'; lpsz++)
;
}
}
diff --git a/core/src/fxcrt/fx_basic_gcc.cpp b/core/src/fxcrt/fx_basic_gcc.cpp
index 71f5fe322f..6f17482156 100644
--- a/core/src/fxcrt/fx_basic_gcc.cpp
+++ b/core/src/fxcrt/fx_basic_gcc.cpp
@@ -12,20 +12,21 @@
template <class T, class STR_T>
T FXSYS_StrToInt(STR_T str) {
FX_BOOL neg = FALSE;
- if (!str)
+ if (str == NULL) {
return 0;
-
+ }
if (*str == '-') {
neg = TRUE;
str++;
}
T num = 0;
while (*str) {
- if (!std::isdigit(*str))
+ if ((*str) < '0' || (*str) > '9') {
break;
- if (num > (std::numeric_limits<T>::max() - 9) / 10)
+ }
+ if (num > (std::numeric_limits<T>::max() - 9) / 10) {
break;
-
+ }
num = num * 10 + (*str) - '0';
str++;
}
diff --git a/core/src/fxcrt/fx_basic_util.cpp b/core/src/fxcrt/fx_basic_util.cpp
index 71119082a2..46a0dec1e5 100644
--- a/core/src/fxcrt/fx_basic_util.cpp
+++ b/core/src/fxcrt/fx_basic_util.cpp
@@ -101,13 +101,13 @@ void FX_atonum(const CFX_ByteStringC& strc, FX_BOOL& bInteger, void* pData) {
cc++;
}
while (cc < len) {
- if (!std::isdigit(str[cc]))
+ if (str[cc] < '0' || str[cc] > '9') {
break;
-
+ }
integer = integer * 10 + str[cc] - '0';
- if (integer < 0)
+ if (integer < 0) {
break;
-
+ }
cc++;
}
if (bNegative) {
diff --git a/core/src/fxcrt/fx_basic_wstring.cpp b/core/src/fxcrt/fx_basic_wstring.cpp
index 3310df7062..c097e1fc09 100644
--- a/core/src/fxcrt/fx_basic_wstring.cpp
+++ b/core/src/fxcrt/fx_basic_wstring.cpp
@@ -765,7 +765,7 @@ void CFX_WideString::FormatV(const FX_WCHAR* lpszFormat, va_list argList) {
}
if (nWidth == 0) {
nWidth = FXSYS_wtoi(lpsz);
- for (; *lpsz != 0 && std::isdigit(*lpsz); lpsz++)
+ for (; *lpsz != 0 && (*lpsz) <= '9' && (*lpsz) >= '0'; lpsz++)
;
}
if (nWidth < 0 || nWidth > 128 * 1024) {
@@ -781,7 +781,7 @@ void CFX_WideString::FormatV(const FX_WCHAR* lpszFormat, va_list argList) {
lpsz++;
} else {
nPrecision = FXSYS_wtoi(lpsz);
- for (; *lpsz != 0 && std::isdigit(*lpsz); lpsz++)
+ for (; *lpsz != 0 && (*lpsz) >= '0' && (*lpsz) <= '9'; lpsz++)
;
}
}
diff --git a/core/src/fxcrt/fx_extension.cpp b/core/src/fxcrt/fx_extension.cpp
index a75cfb48df..d64a06d08b 100644
--- a/core/src/fxcrt/fx_extension.cpp
+++ b/core/src/fxcrt/fx_extension.cpp
@@ -13,15 +13,6 @@
#include <ctime>
#endif
-#include <cctype>
-
-int HexCharToDigit(char c) {
- if (!std::isxdigit(c))
- return 0;
- char upchar = std::toupper(c);
- return upchar > '9' ? upchar - 'A' + 10 : upchar - '0';
-}
-
IFX_FileStream* FX_CreateFileStream(const FX_CHAR* filename, FX_DWORD dwModes) {
IFXCRT_FileAccess* pFA = FXCRT_FileAccess_Create();
if (!pFA) {
diff --git a/core/src/fxcrt/fx_extension_unittest.cpp b/core/src/fxcrt/fx_extension_unittest.cpp
deleted file mode 100644
index e2017fc3ed..0000000000
--- a/core/src/fxcrt/fx_extension_unittest.cpp
+++ /dev/null
@@ -1,14 +0,0 @@
-// Copyright 2015 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "testing/gtest/include/gtest/gtest.h"
-
-#include "../../include/fxcrt/fx_ext.h"
-
-TEST(fxcrt, HexCharToDigit) {
- EXPECT_EQ(10, HexCharToDigit('a'));
- EXPECT_EQ(10, HexCharToDigit('A'));
- EXPECT_EQ(7, HexCharToDigit('7'));
- EXPECT_EQ(0, HexCharToDigit('i'));
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-20 07:52:30 +0000