Simplify PDFium by removing code that's not used in the open source repo.

core/src/fpdfapi/fpdf_page/fpdf_page_parser.cpp

Index: core/src/fpdfapi/fpdf_page/fpdf_page_parser.cpp
diff --git a/core/src/fpdfapi/fpdf_page/fpdf_page_parser.cpp b/core/src/fpdfapi/fpdf_page/fpdf_page_parser.cpp
index 7d8bd4842aeaadf3a3f9d78f30c59af219ea510f..879c2f3c0e0c02fc2331750fe83bb4415fd521b8 100644
--- a/core/src/fpdfapi/fpdf_page/fpdf_page_parser.cpp
+++ b/core/src/fpdfapi/fpdf_page/fpdf_page_parser.cpp
@@ -29,33 +29,9 @@ CPDF_StreamContentParser::CPDF_StreamContentParser()
     m_pLastImage = NULL;
     m_bReleaseLastDict = TRUE;
     m_pParentResources = NULL;
-#ifdef _FPDFAPI_MINI_
-    m_pObjectState = NULL;
-    m_pObjectStack = NULL;
-    m_pWordBuf = NULL;
-    m_pDictName = NULL;
-    m_pStreamBuf = NULL;
-    m_WordState = 0;
-    m_ObjectSize = 0;
-#endif
 }
 FX_BOOL CPDF_StreamContentParser::Initialize()
 {
-#ifdef _FPDFAPI_MINI_
-    m_pObjectState = FX_Alloc(FX_BOOL, _FPDF_MAX_OBJECT_STACK_SIZE_);
-    FXSYS_memset32(m_pObjectState, 0, _FPDF_MAX_OBJECT_STACK_SIZE_ * sizeof(FX_BOOL));
-    m_pObjectStack = FX_Alloc(CPDF_Object*, _FPDF_MAX_OBJECT_STACK_SIZE_);
-    FXSYS_memset32(m_pObjectStack, 0, _FPDF_MAX_OBJECT_STACK_SIZE_ * sizeof(CPDF_Object*));
-    m_pWordBuf = FX_Alloc(FX_BYTE, 256);
-    FXSYS_memset32(m_pWordBuf, 0, 256 * sizeof(FX_BYTE));
-    m_pDictName = FX_Alloc(FX_BYTE, 256);
-    FXSYS_memset32(m_pDictName, 0, 256 * sizeof(FX_BYTE));
-    m_pStreamBuf = FX_Alloc(FX_BYTE, STREAM_PARSE_BUFSIZE);
-    FXSYS_memset32(m_pStreamBuf, 0, STREAM_PARSE_BUFSIZE * sizeof(FX_BYTE));
-    m_StringBuf.EstimateSize(1024);
-    m_ObjectSize = 0;
-    m_ImageSrcBuf.EstimateSize(STREAM_PARSE_BUFSIZE);
-#endif
     return TRUE;
 }
 CPDF_StreamContentParser::~CPDF_StreamContentParser()
@@ -77,18 +53,6 @@ CPDF_StreamContentParser::~CPDF_StreamContentParser()
     if (m_pLastCloneImageDict) {
         m_pLastCloneImageDict->Release();
     }
-#ifdef _FPDFAPI_MINI_
-    for (i = 0; i < (int)m_ObjectSize; ++i) {
-        if (!m_pObjectState[i]) {
-            m_pObjectStack[i]->Release();
-        }
-    }
-    FX_Free(m_pObjectStack);
-    FX_Free(m_pObjectState);
-    FX_Free(m_pStreamBuf);
-    FX_Free(m_pWordBuf);
-    FX_Free(m_pDictName);
-#endif
 }
 void CPDF_StreamContentParser::PrepareParse(CPDF_Document* pDocument,
         CPDF_Dictionary* pPageResources, CPDF_Dictionary* pParentResources, CFX_AffineMatrix* pmtContentToUser, CPDF_PageObjects* pObjList,
@@ -128,9 +92,6 @@ void CPDF_StreamContentParser::PrepareParse(CPDF_Document* pDocument,
         m_pCurStates->m_TextState.New();
         m_pCurStates->m_ColorState.New();
     }
-#ifdef _FPDFAPI_MINI_
-    FXSYS_memset32(m_pObjectState, 0, _FPDF_MAX_OBJECT_STACK_SIZE_ * sizeof(FX_BOOL));
-#endif
 }
 int CPDF_StreamContentParser::GetNextParamPos()
 {
@@ -676,11 +637,7 @@ void CPDF_StreamContentParser::Handle_ExecuteXObject()
 {
     CFX_ByteString name = GetString(0);
     if (name == m_LastImageName && m_pLastImage && m_pLastImage->GetStream() && m_pLastImage->GetStream()->GetObjNum()) {
-#if defined(_FPDFAPI_MINI_) && !defined(_FXCORE_FEATURE_ALL_)
-        AddDuplicateImage();
-#else
         AddImage(NULL, m_pLastImage, FALSE);
-#endif
         return;
     }
     if (m_Options.m_bTextOnly) {
@@ -744,7 +701,6 @@ void CPDF_StreamContentParser::Handle_ExecuteXObject()
 }
 void CPDF_StreamContentParser::AddForm(CPDF_Stream* pStream)
 {
-#if !defined(_FPDFAPI_MINI_) || defined(_FXCORE_FEATURE_ALL_)
     if (!m_Options.m_bSeparateForm) {
         CPDF_Dictionary* pResources = pStream->GetDict()->GetDict(FX_BSTRC("Resources"));
         CFX_AffineMatrix form_matrix = pStream->GetDict()->GetMatrix(FX_BSTRC("Matrix"));
@@ -772,15 +728,9 @@ void CPDF_StreamContentParser::AddForm(CPDF_Stream* pStream)
         if (stream.GetSize() == 0) {
             return;
         }
-#ifdef _FPDFAPI_MINI_
-        parser.InputData(stream.GetData(), stream.GetSize());
-        parser.Finish();
-#else
         parser.Parse(stream.GetData(), stream.GetSize(), 0);
-#endif
         return;
     }
-#endif
     CPDF_FormObject* pFormObj = FX_NEW CPDF_FormObject;
     pFormObj->m_pForm = FX_NEW CPDF_Form(m_pDocument, m_pPageResources, pStream, m_pResources);
     pFormObj->m_FormMatrix = m_pCurStates->m_CTM;
@@ -798,44 +748,6 @@ void CPDF_StreamContentParser::AddForm(CPDF_Stream* pStream)
     SetGraphicStates(pFormObj, TRUE, TRUE, TRUE);
     m_pObjectList->m_ObjectList.AddTail(pFormObj);
 }
-#if defined(_FPDFAPI_MINI_) && !defined(_FXCORE_FEATURE_ALL_)
-void CPDF_StreamContentParser::AddDuplicateImage()
-{
-    FX_POSITION tailpos = m_pObjectList->m_ObjectList.GetTailPosition();
-    CPDF_PageObject* pLastObj = (CPDF_PageObject*)m_pObjectList->m_ObjectList.GetAt(tailpos);
-    if (pLastObj == NULL || (pLastObj->m_Type != PDFPAGE_INLINES && pLastObj->m_Type != PDFPAGE_IMAGE)) {
-        AddImage(NULL, m_pLastImage, FALSE);
-        return;
-    }
-    if (pLastObj->m_GeneralState != m_pCurStates->m_GeneralState ||
-            pLastObj->m_ClipPath != m_pCurStates->m_ClipPath ||
-            pLastObj->m_ColorState != m_pCurStates->m_ColorState) {
-        AddImage(NULL, m_pLastImage, FALSE);
-        return;
-    }
-    CFX_AffineMatrix ImageMatrix;
-    ImageMatrix.Copy(m_pCurStates->m_CTM);
-    ImageMatrix.Concat(m_mtContentToUser);
-    if (pLastObj->m_Type == PDFPAGE_INLINES) {
-        CPDF_InlineImages* pInlines = (CPDF_InlineImages*)pLastObj;
-        if (pInlines->m_pStream != m_pLastImage->GetStream()) {
-            AddImage(NULL, m_pLastImage, FALSE);
-            return;
-        }
-        pInlines->AddMatrix(ImageMatrix);
-    } else {
-        CPDF_ImageObject* pImageObj = (CPDF_ImageObject*)pLastObj;
-        CPDF_InlineImages* pInlines = FX_NEW CPDF_InlineImages;
-        pInlines->m_pStream = m_pLastImage->GetStream();
-        SetGraphicStates(pInlines, !pInlines->m_pStream->GetDict()->KeyExist(FX_BSTRC("ColorSpace")), FALSE, FALSE);
-        pInlines->AddMatrix(pImageObj->m_Matrix);
-        pInlines->AddMatrix(ImageMatrix);
-        m_pObjectList->m_ObjectList.RemoveAt(tailpos);
-        m_pObjectList->m_ObjectList.AddTail(pInlines);
-        pLastObj->Release();
-    }
-}
-#endif
 CPDF_ImageObject* CPDF_StreamContentParser::AddImage(CPDF_Stream* pStream, CPDF_Image* pImage, FX_BOOL bInline)
 {
     if (pStream == NULL && pImage == NULL) {
@@ -963,9 +875,7 @@ void CPDF_StreamContentParser::Handle_ClosePath()
 }
 void CPDF_StreamContentParser::Handle_SetFlat()
 {
-#if !defined(_FPDFAPI_MINI_) || defined(_FXCORE_FEATURE_ALL_)
     m_pCurStates->m_GeneralState.GetModify()->m_Flatness = GetNumber(0);
-#endif
 }
 void CPDF_StreamContentParser::Handle_BeginImageData()
 {
@@ -1010,15 +920,11 @@ void CPDF_StreamContentParser::Handle_MoveTo()
 {
     REQUIRE_PARAMS(2);
     if (m_Options.m_bTextOnly) {
-#ifndef _FPDFAPI_MINI_
         m_pSyntax->SkipPathObject();
-#endif
         return;
     }
     AddPathPoint(GetNumber(1), GetNumber(0), FXPT_MOVETO);
-#ifndef _FPDFAPI_MINI_
     ParsePathObject();
-#endif
 }
 void CPDF_StreamContentParser::Handle_SetMiterLimit()
 {