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authorTom Sepez <tsepez@chromium.org>2018-04-17 22:23:59 +0000
committerChromium commit bot <commit-bot@chromium.org>2018-04-17 22:23:59 +0000
commitc58b08b8840793af07c78362dce0c7f341de589f (patch)
tree63a55a96e029feba953d65f5c562df0a3b78695a /xfa/fxfa
parent384e6fefb42ab5d3d71dd60f7f8d5f5155228804 (diff)
downloadpdfium-c58b08b8840793af07c78362dce0c7f341de589f.tar.xz
Base64 stuff is all dead code in cxfa_ffdoc.cpp
Change-Id: I6b0d46d913c55de592f10de5bd31a6520b16cd2f Reviewed-on: https://pdfium-review.googlesource.com/30873 Commit-Queue: Tom Sepez <tsepez@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
Diffstat (limited to 'xfa/fxfa')
-rw-r--r--xfa/fxfa/cxfa_ffdoc.cpp162
1 files changed, 0 insertions, 162 deletions
diff --git a/xfa/fxfa/cxfa_ffdoc.cpp b/xfa/fxfa/cxfa_ffdoc.cpp
index 9dc58adb9a..828fb58820 100644
--- a/xfa/fxfa/cxfa_ffdoc.cpp
+++ b/xfa/fxfa/cxfa_ffdoc.cpp
@@ -36,127 +36,6 @@
#include "xfa/fxfa/parser/cxfa_dynamicrender.h"
#include "xfa/fxfa/parser/cxfa_node.h"
-namespace {
-
-struct FX_BASE64DATA {
- uint32_t data1 : 2;
- uint32_t data2 : 6;
- uint32_t data3 : 4;
- uint32_t data4 : 4;
- uint32_t data5 : 6;
- uint32_t data6 : 2;
- uint32_t data7 : 8;
-};
-
-const uint8_t kStartValuesRemoved = 43;
-const uint8_t kDecoderMapSize = 80;
-const uint8_t g_FXBase64DecoderMap[kDecoderMapSize] = {
- 0x3E, 0xFF, 0xFF, 0xFF, 0x3F, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A,
- 0x3B, 0x3C, 0x3D, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x01,
- 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D,
- 0x0E, 0x0F, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19,
- 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F,
- 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B,
- 0x2C, 0x2D, 0x2E, 0x2F, 0x30, 0x31, 0x32, 0x33,
-};
-
-uint8_t base64DecoderValue(uint8_t val) {
- if (val < kStartValuesRemoved || val >= kStartValuesRemoved + kDecoderMapSize)
- return 0xFF;
- return g_FXBase64DecoderMap[val - kStartValuesRemoved];
-}
-
-void Base64DecodePiece(const char src[4],
- int32_t iChars,
- FX_BASE64DATA& dst,
- int32_t& iBytes) {
- ASSERT(iChars > 0 && iChars < 5);
- iBytes = 1;
- dst.data2 = base64DecoderValue(static_cast<uint8_t>(src[0]));
- if (iChars > 1) {
- uint8_t b = base64DecoderValue(static_cast<uint8_t>(src[1]));
- dst.data1 = b >> 4;
- dst.data4 = b;
- if (iChars > 2) {
- iBytes = 2;
- b = base64DecoderValue(static_cast<uint8_t>(src[2]));
- dst.data3 = b >> 2;
- dst.data6 = b;
- if (iChars > 3) {
- iBytes = 3;
- dst.data5 = base64DecoderValue(static_cast<uint8_t>(src[3]));
- } else {
- dst.data5 = 0;
- }
- } else {
- dst.data3 = 0;
- }
- } else {
- dst.data1 = 0;
- }
-}
-
-int32_t Base64DecodeW(const wchar_t* pSrc, int32_t iSrcLen, uint8_t* pDst) {
- ASSERT(pSrc);
- if (iSrcLen < 1) {
- return 0;
- }
- while (iSrcLen > 0 && pSrc[iSrcLen - 1] == '=') {
- iSrcLen--;
- }
- if (iSrcLen < 1) {
- return 0;
- }
- if (!pDst) {
- int32_t iDstLen = iSrcLen / 4 * 3;
- iSrcLen %= 4;
- if (iSrcLen == 1) {
- iDstLen += 1;
- } else if (iSrcLen == 2) {
- iDstLen += 1;
- } else if (iSrcLen == 3) {
- iDstLen += 2;
- }
- return iDstLen;
- }
- char srcData[4];
- FX_BASE64DATA dstData;
- int32_t iChars = 4, iBytes;
- uint8_t* pDstEnd = pDst;
- while (iSrcLen > 0) {
- if (iSrcLen > 3) {
- srcData[0] = (char)*pSrc++;
- srcData[1] = (char)*pSrc++;
- srcData[2] = (char)*pSrc++;
- srcData[3] = (char)*pSrc++;
- iSrcLen -= 4;
- } else {
- *((uint32_t*)&dstData) = 0;
- *((uint32_t*)srcData) = 0;
- srcData[0] = (char)*pSrc++;
- if (iSrcLen > 1) {
- srcData[1] = (char)*pSrc++;
- }
- if (iSrcLen > 2) {
- srcData[2] = (char)*pSrc++;
- }
- iChars = iSrcLen;
- iSrcLen = 0;
- }
- Base64DecodePiece(srcData, iChars, dstData, iBytes);
- *pDstEnd++ = ((uint8_t*)&dstData)[0];
- if (iBytes > 1) {
- *pDstEnd++ = ((uint8_t*)&dstData)[1];
- }
- if (iBytes > 2) {
- *pDstEnd++ = ((uint8_t*)&dstData)[2];
- }
- }
- return pDstEnd - pDst;
-}
-
-} // namespace
-
CXFA_FFDoc::CXFA_FFDoc(CXFA_FFApp* pApp, IXFA_DocEnvironment* pDocEnvironment)
: m_pDocEnvironment(pDocEnvironment), m_pApp(pApp) {}
@@ -189,47 +68,6 @@ bool CXFA_FFDoc::ParseDoc(CPDF_Object* pElementXFA) {
return true;
}
-bool XFA_GetPDFContentsFromPDFXML(CFX_XMLNode* pPDFElement,
- uint8_t*& pByteBuffer,
- int32_t& iBufferSize) {
- CFX_XMLElement* pDocumentElement = nullptr;
- for (CFX_XMLNode* pXMLNode = pPDFElement->GetFirstChild(); pXMLNode;
- pXMLNode = pXMLNode->GetNextSibling()) {
- if (pXMLNode->GetType() == FX_XMLNODE_Element) {
- CFX_XMLElement* pXMLElement = static_cast<CFX_XMLElement*>(pXMLNode);
- WideString wsTagName = pXMLElement->GetName();
- if (wsTagName == L"document") {
- pDocumentElement = pXMLElement;
- break;
- }
- }
- }
- if (!pDocumentElement) {
- return false;
- }
- CFX_XMLElement* pChunkElement = nullptr;
- for (CFX_XMLNode* pXMLNode = pDocumentElement->GetFirstChild(); pXMLNode;
- pXMLNode = pXMLNode->GetNextSibling()) {
- if (pXMLNode->GetType() == FX_XMLNODE_Element) {
- CFX_XMLElement* pXMLElement = static_cast<CFX_XMLElement*>(pXMLNode);
- WideString wsTagName = pXMLElement->GetName();
- if (wsTagName == L"chunk") {
- pChunkElement = pXMLElement;
- break;
- }
- }
- }
- if (!pChunkElement) {
- return false;
- }
- WideString wsPDFContent = pChunkElement->GetTextData();
- iBufferSize =
- Base64DecodeW(wsPDFContent.c_str(), wsPDFContent.GetLength(), nullptr);
- pByteBuffer = FX_Alloc(uint8_t, iBufferSize + 1);
- pByteBuffer[iBufferSize] = '0'; // FIXME: I bet this is wrong.
- Base64DecodeW(wsPDFContent.c_str(), wsPDFContent.GetLength(), pByteBuffer);
- return true;
-}
void XFA_XPDPacket_MergeRootNode(CXFA_Node* pOriginRoot, CXFA_Node* pNewRoot) {
CXFA_Node* pChildNode = pNewRoot->GetFirstChild();
while (pChildNode) {