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authorDan Sinclair <dsinclair@chromium.org>2015-10-21 13:08:24 -0400
committerDan Sinclair <dsinclair@chromium.org>2015-10-21 13:08:24 -0400
commit53d3ab125ef583be8cfac907b308a6551b93067a (patch)
tree7680ace0f99bb5aa2532def62411d7e59360793f /core/src/fpdfapi/fpdf_parser
parent83bf02dfb860a66d756434d194118dae572d04d3 (diff)
downloadpdfium-53d3ab125ef583be8cfac907b308a6551b93067a.tar.xz
Add type cast definitions for CPDF_String.
This Cl adds ToString, CPDF_Object::AsString and CPDF_Object::IsString and updates the src to use them as needed. BUG=pdfium:201 R=thestig@chromium.org Review URL: https://codereview.chromium.org/1417933002 .
Diffstat (limited to 'core/src/fpdfapi/fpdf_parser')
-rw-r--r--core/src/fpdfapi/fpdf_parser/fpdf_parser_fdf.cpp9
-rw-r--r--core/src/fpdfapi/fpdf_parser/fpdf_parser_objects.cpp40
-rw-r--r--core/src/fpdfapi/fpdf_parser/fpdf_parser_utility.cpp2
3 files changed, 30 insertions, 21 deletions
diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_fdf.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_fdf.cpp
index 82bfbb56eb..c766dd397f 100644
--- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_fdf.cpp
+++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_fdf.cpp
@@ -100,12 +100,10 @@ CFX_WideString CFDF_Document::GetWin32Path() const {
CPDF_Dictionary* pDict =
m_pRootDict ? m_pRootDict->GetDict(FX_BSTRC("FDF")) : NULL;
CPDF_Object* pFileSpec = pDict ? pDict->GetElementValue(FX_BSTRC("F")) : NULL;
- if (pFileSpec == NULL) {
+ if (!pFileSpec)
return CFX_WideString();
- }
- if (pFileSpec->GetType() == PDFOBJ_STRING) {
+ if (pFileSpec->IsString())
return FPDF_FileSpec_GetWin32Path(m_pRootDict->GetDict(FX_BSTRC("FDF")));
- }
return FPDF_FileSpec_GetWin32Path(pFileSpec);
}
static CFX_WideString ChangeSlash(const FX_WCHAR* str) {
@@ -138,7 +136,8 @@ void FPDF_FileSpec_SetWin32Path(CPDF_Object* pFileSpec,
} else {
result = ChangeSlash(filepath.c_str());
}
- if (pFileSpec->GetType() == PDFOBJ_STRING) {
+
+ if (pFileSpec->IsString()) {
pFileSpec->SetString(CFX_ByteString::FromUnicode(result));
} else if (CPDF_Dictionary* pFileDict = pFileSpec->AsDictionary()) {
pFileDict->SetAtString(FX_BSTRC("F"), CFX_ByteString::FromUnicode(result));
diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_objects.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_objects.cpp
index 59800dcd93..b2dc924322 100644
--- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_objects.cpp
+++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_objects.cpp
@@ -19,7 +19,7 @@ void CPDF_Object::Release() {
void CPDF_Object::Destroy() {
switch (m_Type) {
case PDFOBJ_STRING:
- delete (CPDF_String*)this;
+ delete AsString();
break;
case PDFOBJ_NAME:
delete (CPDF_Name*)this;
@@ -44,7 +44,7 @@ CFX_ByteString CPDF_Object::GetString() const {
case PDFOBJ_NUMBER:
return AsNumber()->GetString();
case PDFOBJ_STRING:
- return ((CPDF_String*)this)->m_String;
+ return AsString()->m_String;
case PDFOBJ_NAME:
return ((CPDF_Name*)this)->m_Name;
case PDFOBJ_REFERENCE: {
@@ -64,9 +64,10 @@ CFX_ByteString CPDF_Object::GetString() const {
}
CFX_ByteStringC CPDF_Object::GetConstString() const {
switch (m_Type) {
- case PDFOBJ_STRING:
- return CFX_ByteStringC((const uint8_t*)((CPDF_String*)this)->m_String,
- ((CPDF_String*)this)->m_String.GetLength());
+ case PDFOBJ_STRING: {
+ CFX_ByteString str = AsString()->m_String;
+ return CFX_ByteStringC((const uint8_t*)str, str.GetLength());
+ }
case PDFOBJ_NAME:
return CFX_ByteStringC((const uint8_t*)((CPDF_Name*)this)->m_Name,
((CPDF_Name*)this)->m_Name.GetLength());
@@ -174,7 +175,7 @@ void CPDF_Object::SetString(const CFX_ByteString& str) {
AsNumber()->SetString(str);
return;
case PDFOBJ_STRING:
- ((CPDF_String*)this)->m_String = str;
+ AsString()->m_String = str;
return;
case PDFOBJ_NAME:
((CPDF_Name*)this)->m_Name = str;
@@ -211,7 +212,7 @@ FX_BOOL CPDF_Object::IsIdentical(CPDF_Object* pOther) const {
case PDFOBJ_NUMBER:
return AsNumber()->Identical(pOther->AsNumber());
case PDFOBJ_STRING:
- return (((CPDF_String*)this)->Identical((CPDF_String*)pOther));
+ return AsString()->Identical(pOther->AsString());
case PDFOBJ_NAME:
return (((CPDF_Name*)this)->Identical((CPDF_Name*)pOther));
case PDFOBJ_ARRAY:
@@ -251,9 +252,10 @@ CPDF_Object* CPDF_Object::CloneInternal(FX_BOOL bDirect,
return new CPDF_Number(pThis->m_bInteger ? pThis->m_Integer
: pThis->m_Float);
}
- case PDFOBJ_STRING:
- return new CPDF_String(((CPDF_String*)this)->m_String,
- ((CPDF_String*)this)->IsHex());
+ case PDFOBJ_STRING: {
+ const CPDF_String* pString = AsString();
+ return new CPDF_String(pString->m_String, pString->IsHex());
+ }
case PDFOBJ_NAME:
return new CPDF_Name(((CPDF_Name*)this)->m_Name);
case PDFOBJ_ARRAY: {
@@ -314,9 +316,9 @@ CPDF_Object* CPDF_Object::CloneRef(CPDF_IndirectObjects* pDoc) const {
return Clone();
}
CFX_WideString CPDF_Object::GetUnicodeText(CFX_CharMap* pCharMap) const {
- if (m_Type == PDFOBJ_STRING) {
- return PDF_DecodeText(((CPDF_String*)this)->m_String, pCharMap);
- }
+ if (const CPDF_String* pString = AsString())
+ return PDF_DecodeText(pString->m_String, pCharMap);
+
if (m_Type == PDFOBJ_STREAM) {
CPDF_StreamAcc stream;
stream.LoadAllData((CPDF_Stream*)this, FALSE);
@@ -330,8 +332,8 @@ CFX_WideString CPDF_Object::GetUnicodeText(CFX_CharMap* pCharMap) const {
return CFX_WideString();
}
void CPDF_Object::SetUnicodeText(const FX_WCHAR* pUnicodes, int len) {
- if (m_Type == PDFOBJ_STRING) {
- ((CPDF_String*)this)->m_String = PDF_EncodeText(pUnicodes, len);
+ if (CPDF_String* pString = AsString()) {
+ pString->m_String = PDF_EncodeText(pUnicodes, len);
} else if (m_Type == PDFOBJ_STREAM) {
CFX_ByteString result = PDF_EncodeText(pUnicodes, len);
((CPDF_Stream*)this)
@@ -363,6 +365,14 @@ const CPDF_Number* CPDF_Object::AsNumber() const {
return IsNumber() ? static_cast<const CPDF_Number*>(this) : nullptr;
}
+CPDF_String* CPDF_Object::AsString() {
+ return IsString() ? static_cast<CPDF_String*>(this) : nullptr;
+}
+
+const CPDF_String* CPDF_Object::AsString() const {
+ return IsString() ? static_cast<const CPDF_String*>(this) : nullptr;
+}
+
CPDF_Number::CPDF_Number(int value)
: CPDF_Object(PDFOBJ_NUMBER), m_bInteger(TRUE), m_Integer(value) {}
diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_utility.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_utility.cpp
index c34d8122f8..84d1301c60 100644
--- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_utility.cpp
+++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_utility.cpp
@@ -374,7 +374,7 @@ CFX_ByteTextBuf& operator<<(CFX_ByteTextBuf& buf, const CPDF_Object* pObj) {
break;
case PDFOBJ_STRING: {
CFX_ByteString str = pObj->GetString();
- FX_BOOL bHex = ((CPDF_String*)pObj)->IsHex();
+ FX_BOOL bHex = pObj->AsString()->IsHex();
buf << PDF_EncodeString(str, bHex);
break;
}