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author | dsinclair <dsinclair@chromium.org> | 2016-08-02 15:43:46 -0700 |
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committer | Commit bot <commit-bot@chromium.org> | 2016-08-02 15:43:46 -0700 |
commit | 27053d81ca80a2f9433abf3e9c393d2914c91ad8 (patch) | |
tree | ecf94b4610dfd09d42a83b1ab86ec22223957390 /core/fpdfdoc/doc_form.cpp | |
parent | e21501d9427539828b5d547b9d20a752d06914aa (diff) | |
download | pdfium-27053d81ca80a2f9433abf3e9c393d2914c91ad8.tar.xz |
Splitting fpdfdoc/doc_* part III.
This CL cleans up the remaining doc_* files, splitting into .h and .pp files
as needed.
Review-Url: https://codereview.chromium.org/2190983002
Diffstat (limited to 'core/fpdfdoc/doc_form.cpp')
-rw-r--r-- | core/fpdfdoc/doc_form.cpp | 1203 |
1 files changed, 0 insertions, 1203 deletions
diff --git a/core/fpdfdoc/doc_form.cpp b/core/fpdfdoc/doc_form.cpp deleted file mode 100644 index 3dde448a24..0000000000 --- a/core/fpdfdoc/doc_form.cpp +++ /dev/null @@ -1,1203 +0,0 @@ -// Copyright 2014 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. - -// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com - -#include <vector> - -#include "core/fpdfapi/fpdf_font/include/cpdf_fontencoding.h" -#include "core/fpdfapi/fpdf_page/include/cpdf_page.h" -#include "core/fpdfapi/fpdf_parser/include/cfdf_document.h" -#include "core/fpdfapi/fpdf_parser/include/cpdf_array.h" -#include "core/fpdfapi/fpdf_parser/include/cpdf_document.h" -#include "core/fpdfapi/fpdf_parser/include/cpdf_string.h" -#include "core/fpdfdoc/include/cpdf_filespec.h" -#include "core/fpdfdoc/include/cpdf_formcontrol.h" -#include "core/fpdfdoc/include/cpdf_interform.h" -#include "core/fpdfdoc/doc_utils.h" -#include "third_party/base/stl_util.h" - -namespace { - -const int nMaxRecursion = 32; - -const struct SupportFieldEncoding { - const FX_CHAR* m_name; - uint16_t m_codePage; -} g_fieldEncoding[] = { - {"BigFive", 950}, - {"GBK", 936}, - {"Shift-JIS", 932}, - {"UHC", 949}, -}; - -CFX_WideString FPDFDOC_FDF_GetFieldValue(const CPDF_Dictionary& pFieldDict, - const CFX_ByteString& bsEncoding) { - const CFX_ByteString csBValue = pFieldDict.GetStringBy("V"); - for (const auto& encoding : g_fieldEncoding) { - if (bsEncoding == encoding.m_name) - return CFX_WideString::FromCodePage(csBValue.AsStringC(), - encoding.m_codePage); - } - CFX_ByteString csTemp = csBValue.Left(2); - if (csTemp == "\xFF\xFE" || csTemp == "\xFE\xFF") - return PDF_DecodeText(csBValue); - return CFX_WideString::FromLocal(csBValue.AsStringC()); -} - -} // namespace - -class CFieldNameExtractor { - public: - explicit CFieldNameExtractor(const CFX_WideString& full_name) - : m_FullName(full_name) { - m_pCur = m_FullName.c_str(); - m_pEnd = m_pCur + m_FullName.GetLength(); - } - - void GetNext(const FX_WCHAR*& pSubName, FX_STRSIZE& size) { - pSubName = m_pCur; - while (m_pCur < m_pEnd && m_pCur[0] != L'.') { - m_pCur++; - } - size = (FX_STRSIZE)(m_pCur - pSubName); - if (m_pCur < m_pEnd && m_pCur[0] == L'.') { - m_pCur++; - } - } - - protected: - CFX_WideString m_FullName; - const FX_WCHAR* m_pCur; - const FX_WCHAR* m_pEnd; -}; - -class CFieldTree { - public: - struct _Node { - _Node* parent; - CFX_ArrayTemplate<_Node*> children; - CFX_WideString short_name; - CPDF_FormField* field_ptr; - int CountFields(int nLevel = 0) { - if (nLevel > nMaxRecursion) { - return 0; - } - if (field_ptr) { - return 1; - } - int count = 0; - for (int i = 0; i < children.GetSize(); i++) { - count += children.GetAt(i)->CountFields(nLevel + 1); - } - return count; - } - CPDF_FormField* GetField(int* fields_to_go) { - if (field_ptr) { - if (*fields_to_go == 0) { - return field_ptr; - } - --*fields_to_go; - return nullptr; - } - for (int i = 0; i < children.GetSize(); i++) { - if (CPDF_FormField* pField = children.GetAt(i)->GetField(fields_to_go)) - return pField; - } - return nullptr; - } - CPDF_FormField* GetField(int index) { - int fields_to_go = index; - return GetField(&fields_to_go); - } - }; - CFieldTree(); - ~CFieldTree(); - void SetField(const CFX_WideString& full_name, CPDF_FormField* field_ptr); - CPDF_FormField* GetField(const CFX_WideString& full_name); - CPDF_FormField* RemoveField(const CFX_WideString& full_name); - void RemoveAll(); - _Node* FindNode(const CFX_WideString& full_name); - _Node* AddChild(_Node* pParent, - const CFX_WideString& short_name, - CPDF_FormField* field_ptr); - void RemoveNode(_Node* pNode, int nLevel = 0); - _Node* _Lookup(_Node* pParent, const CFX_WideString& short_name); - _Node m_Root; -}; -CFieldTree::CFieldTree() { - m_Root.parent = nullptr; - m_Root.field_ptr = nullptr; -} -CFieldTree::~CFieldTree() { - RemoveAll(); -} -CFieldTree::_Node* CFieldTree::AddChild(_Node* pParent, - const CFX_WideString& short_name, - CPDF_FormField* field_ptr) { - if (!pParent) { - return nullptr; - } - _Node* pNode = new _Node; - pNode->parent = pParent; - pNode->short_name = short_name; - pNode->field_ptr = field_ptr; - pParent->children.Add(pNode); - return pNode; -} -void CFieldTree::RemoveNode(_Node* pNode, int nLevel) { - if (!pNode) { - return; - } - if (nLevel <= nMaxRecursion) { - for (int i = 0; i < pNode->children.GetSize(); i++) { - RemoveNode(pNode->children[i], nLevel + 1); - } - } - delete pNode; -} -CFieldTree::_Node* CFieldTree::_Lookup(_Node* pParent, - const CFX_WideString& short_name) { - if (!pParent) { - return nullptr; - } - for (int i = 0; i < pParent->children.GetSize(); i++) { - _Node* pNode = pParent->children[i]; - if (pNode->short_name.GetLength() == short_name.GetLength() && - FXSYS_memcmp(pNode->short_name.c_str(), short_name.c_str(), - short_name.GetLength() * sizeof(FX_WCHAR)) == 0) { - return pNode; - } - } - return nullptr; -} -void CFieldTree::RemoveAll() { - for (int i = 0; i < m_Root.children.GetSize(); i++) { - RemoveNode(m_Root.children[i]); - } -} -void CFieldTree::SetField(const CFX_WideString& full_name, - CPDF_FormField* field_ptr) { - if (full_name == L"") { - return; - } - CFieldNameExtractor name_extractor(full_name); - const FX_WCHAR* pName; - FX_STRSIZE nLength; - name_extractor.GetNext(pName, nLength); - _Node *pNode = &m_Root, *pLast = nullptr; - while (nLength > 0) { - pLast = pNode; - CFX_WideString name = CFX_WideString(pName, nLength); - pNode = _Lookup(pLast, name); - if (!pNode) { - pNode = AddChild(pLast, name, nullptr); - } - name_extractor.GetNext(pName, nLength); - } - if (pNode != &m_Root) { - pNode->field_ptr = field_ptr; - } -} -CPDF_FormField* CFieldTree::GetField(const CFX_WideString& full_name) { - if (full_name == L"") { - return nullptr; - } - CFieldNameExtractor name_extractor(full_name); - const FX_WCHAR* pName; - FX_STRSIZE nLength; - name_extractor.GetNext(pName, nLength); - _Node *pNode = &m_Root, *pLast = nullptr; - while (nLength > 0 && pNode) { - pLast = pNode; - CFX_WideString name = CFX_WideString(pName, nLength); - pNode = _Lookup(pLast, name); - name_extractor.GetNext(pName, nLength); - } - return pNode ? pNode->field_ptr : nullptr; -} -CPDF_FormField* CFieldTree::RemoveField(const CFX_WideString& full_name) { - if (full_name == L"") { - return nullptr; - } - CFieldNameExtractor name_extractor(full_name); - const FX_WCHAR* pName; - FX_STRSIZE nLength; - name_extractor.GetNext(pName, nLength); - _Node* pNode = &m_Root; - _Node* pLast = nullptr; - while (nLength > 0 && pNode) { - pLast = pNode; - CFX_WideString name = CFX_WideString(pName, nLength); - pNode = _Lookup(pLast, name); - name_extractor.GetNext(pName, nLength); - } - if (pNode && pNode != &m_Root) { - for (int i = 0; i < pLast->children.GetSize(); i++) { - if (pNode == pLast->children[i]) { - pLast->children.RemoveAt(i); - break; - } - } - CPDF_FormField* pField = pNode->field_ptr; - RemoveNode(pNode); - return pField; - } - return nullptr; -} -CFieldTree::_Node* CFieldTree::FindNode(const CFX_WideString& full_name) { - if (full_name == L"") { - return nullptr; - } - CFieldNameExtractor name_extractor(full_name); - const FX_WCHAR* pName; - FX_STRSIZE nLength; - name_extractor.GetNext(pName, nLength); - _Node *pNode = &m_Root, *pLast = nullptr; - while (nLength > 0 && pNode) { - pLast = pNode; - CFX_WideString name = CFX_WideString(pName, nLength); - pNode = _Lookup(pLast, name); - name_extractor.GetNext(pName, nLength); - } - return pNode; -} - -CPDF_InterForm::CPDF_InterForm(CPDF_Document* pDocument) - : m_pDocument(pDocument), - m_pFormDict(nullptr), - m_pFieldTree(new CFieldTree), - m_pFormNotify(nullptr) { - CPDF_Dictionary* pRoot = m_pDocument->GetRoot(); - if (!pRoot) - return; - - m_pFormDict = pRoot->GetDictBy("AcroForm"); - if (!m_pFormDict) - return; - - CPDF_Array* pFields = m_pFormDict->GetArrayBy("Fields"); - if (!pFields) - return; - - for (size_t i = 0; i < pFields->GetCount(); i++) - LoadField(pFields->GetDictAt(i)); -} - -CPDF_InterForm::~CPDF_InterForm() { - for (auto it : m_ControlMap) - delete it.second; - - int nCount = m_pFieldTree->m_Root.CountFields(); - for (int i = 0; i < nCount; ++i) { - delete m_pFieldTree->m_Root.GetField(i); - } -} - -FX_BOOL CPDF_InterForm::s_bUpdateAP = TRUE; - -FX_BOOL CPDF_InterForm::IsUpdateAPEnabled() { - return s_bUpdateAP; -} - -void CPDF_InterForm::SetUpdateAP(FX_BOOL bUpdateAP) { - s_bUpdateAP = bUpdateAP; -} - -CFX_ByteString CPDF_InterForm::GenerateNewResourceName( - const CPDF_Dictionary* pResDict, - const FX_CHAR* csType, - int iMinLen, - const FX_CHAR* csPrefix) { - CFX_ByteString csStr = csPrefix; - CFX_ByteString csBType = csType; - if (csStr.IsEmpty()) { - if (csBType == "ExtGState") { - csStr = "GS"; - } else if (csBType == "ColorSpace") { - csStr = "CS"; - } else if (csBType == "Font") { - csStr = "ZiTi"; - } else { - csStr = "Res"; - } - } - CFX_ByteString csTmp = csStr; - int iCount = csStr.GetLength(); - int m = 0; - if (iMinLen > 0) { - csTmp = ""; - while (m < iMinLen && m < iCount) { - csTmp += csStr[m++]; - } - while (m < iMinLen) { - csTmp += '0' + m % 10; - m++; - } - } else { - m = iCount; - } - if (!pResDict) { - return csTmp; - } - CPDF_Dictionary* pDict = pResDict->GetDictBy(csType); - if (!pDict) { - return csTmp; - } - int num = 0; - CFX_ByteString bsNum; - while (TRUE) { - CFX_ByteString csKey = csTmp + bsNum; - if (!pDict->KeyExist(csKey)) { - return csKey; - } - if (m < iCount) { - csTmp += csStr[m++]; - } else { - bsNum.Format("%d", num++); - } - m++; - } - return csTmp; -} -#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ -typedef struct PDF_FONTDATA_ { - FX_BOOL bFind; - LOGFONTA lf; -} PDF_FONTDATA, FAR* LPDF_FONTDATA; -static int CALLBACK EnumFontFamExProc(ENUMLOGFONTEXA* lpelfe, - NEWTEXTMETRICEX* lpntme, - DWORD FontType, - LPARAM lParam) { - if (FontType != 0x004 || strchr(lpelfe->elfLogFont.lfFaceName, '@')) { - return 1; - } - LPDF_FONTDATA pData = (LPDF_FONTDATA)lParam; - memcpy(&pData->lf, &lpelfe->elfLogFont, sizeof(LOGFONTA)); - pData->bFind = TRUE; - return 0; -} -static FX_BOOL RetrieveSpecificFont(LOGFONTA& lf) { - PDF_FONTDATA fd; - memset(&fd, 0, sizeof(PDF_FONTDATA)); - HDC hDC = ::GetDC(nullptr); - EnumFontFamiliesExA(hDC, &lf, (FONTENUMPROCA)EnumFontFamExProc, (LPARAM)&fd, - 0); - ::ReleaseDC(nullptr, hDC); - if (fd.bFind) { - memcpy(&lf, &fd.lf, sizeof(LOGFONTA)); - } - return fd.bFind; -} -static FX_BOOL RetrieveSpecificFont(uint8_t charSet, - uint8_t pitchAndFamily, - LPCSTR pcsFontName, - LOGFONTA& lf) { - memset(&lf, 0, sizeof(LOGFONTA)); - lf.lfCharSet = charSet; - lf.lfPitchAndFamily = pitchAndFamily; - if (pcsFontName) { - // TODO(dsinclair): Should this be strncpy? - strcpy(lf.lfFaceName, pcsFontName); - } - return RetrieveSpecificFont(lf); -} -#endif // _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ - -CPDF_Font* CPDF_InterForm::AddStandardFont(CPDF_Document* pDocument, - CFX_ByteString csFontName) { - if (!pDocument || csFontName.IsEmpty()) - return nullptr; - - if (csFontName == "ZapfDingbats") - return pDocument->AddStandardFont(csFontName.c_str(), nullptr); - - CPDF_FontEncoding encoding(PDFFONT_ENCODING_WINANSI); - return pDocument->AddStandardFont(csFontName.c_str(), &encoding); -} - -CFX_ByteString CPDF_InterForm::GetNativeFont(uint8_t charSet, void* pLogFont) { - CFX_ByteString csFontName; -#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ - LOGFONTA lf = {}; - if (charSet == ANSI_CHARSET) { - csFontName = "Helvetica"; - return csFontName; - } - FX_BOOL bRet = FALSE; - if (charSet == SHIFTJIS_CHARSET) { - bRet = RetrieveSpecificFont(charSet, DEFAULT_PITCH | FF_DONTCARE, - "MS Mincho", lf); - } else if (charSet == GB2312_CHARSET) { - bRet = RetrieveSpecificFont(charSet, DEFAULT_PITCH | FF_DONTCARE, "SimSun", - lf); - } else if (charSet == CHINESEBIG5_CHARSET) { - bRet = RetrieveSpecificFont(charSet, DEFAULT_PITCH | FF_DONTCARE, "MingLiU", - lf); - } - if (!bRet) { - bRet = RetrieveSpecificFont(charSet, DEFAULT_PITCH | FF_DONTCARE, - "Arial Unicode MS", lf); - } - if (!bRet) { - bRet = RetrieveSpecificFont(charSet, DEFAULT_PITCH | FF_DONTCARE, - "Microsoft Sans Serif", lf); - } - if (!bRet) { - bRet = - RetrieveSpecificFont(charSet, DEFAULT_PITCH | FF_DONTCARE, nullptr, lf); - } - if (bRet) { - if (pLogFont) { - memcpy(pLogFont, &lf, sizeof(LOGFONTA)); - } - csFontName = lf.lfFaceName; - return csFontName; - } -#endif - return csFontName; -} - -CFX_ByteString CPDF_InterForm::GetNativeFont(void* pLogFont) { -#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ - return GetNativeFont(GetNativeCharSet(), pLogFont); -#else - return CFX_ByteString(); -#endif -} - -// static -uint8_t CPDF_InterForm::GetNativeCharSet() { -#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ - uint8_t charSet = ANSI_CHARSET; - UINT iCodePage = ::GetACP(); - switch (iCodePage) { - case 932: - charSet = SHIFTJIS_CHARSET; - break; - case 936: - charSet = GB2312_CHARSET; - break; - case 950: - charSet = CHINESEBIG5_CHARSET; - break; - case 1252: - charSet = ANSI_CHARSET; - break; - case 874: - charSet = THAI_CHARSET; - break; - case 949: - charSet = HANGUL_CHARSET; - break; - case 1200: - charSet = ANSI_CHARSET; - break; - case 1250: - charSet = EASTEUROPE_CHARSET; - break; - case 1251: - charSet = RUSSIAN_CHARSET; - break; - case 1253: - charSet = GREEK_CHARSET; - break; - case 1254: - charSet = TURKISH_CHARSET; - break; - case 1255: - charSet = HEBREW_CHARSET; - break; - case 1256: - charSet = ARABIC_CHARSET; - break; - case 1257: - charSet = BALTIC_CHARSET; - break; - case 1258: - charSet = VIETNAMESE_CHARSET; - break; - case 1361: - charSet = JOHAB_CHARSET; - break; - } - return charSet; -#else - return 0; -#endif -} - -CPDF_Font* CPDF_InterForm::AddNativeFont(uint8_t charSet, - CPDF_Document* pDocument) { - if (!pDocument) - return nullptr; - -#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ - LOGFONTA lf; - CFX_ByteString csFontName = GetNativeFont(charSet, &lf); - if (!csFontName.IsEmpty()) { - if (csFontName == "Helvetica") - return AddStandardFont(pDocument, csFontName); - return pDocument->AddWindowsFont(&lf, FALSE, TRUE); - } -#endif - return nullptr; -} - -CPDF_Font* CPDF_InterForm::AddNativeFont(CPDF_Document* pDocument) { - return pDocument ? AddNativeFont(GetNativeCharSet(), pDocument) : nullptr; -} - -FX_BOOL CPDF_InterForm::ValidateFieldName( - CFX_WideString& csNewFieldName, - int iType, - const CPDF_FormField* pExcludedField, - const CPDF_FormControl* pExcludedControl) { - if (csNewFieldName.IsEmpty()) { - return FALSE; - } - int iPos = 0; - int iLength = csNewFieldName.GetLength(); - CFX_WideString csSub; - while (TRUE) { - while (iPos < iLength && - (csNewFieldName[iPos] == L'.' || csNewFieldName[iPos] == L' ')) { - iPos++; - } - if (iPos < iLength && !csSub.IsEmpty()) { - csSub += L'.'; - } - while (iPos < iLength && csNewFieldName[iPos] != L'.') { - csSub += csNewFieldName[iPos++]; - } - for (int i = csSub.GetLength() - 1; i > -1; i--) { - if (csSub[i] == L' ' || csSub[i] == L'.') { - csSub.SetAt(i, L'\0'); - } else { - break; - } - } - uint32_t dwCount = m_pFieldTree->m_Root.CountFields(); - for (uint32_t m = 0; m < dwCount; m++) { - CPDF_FormField* pField = m_pFieldTree->m_Root.GetField(m); - if (!pField) { - continue; - } - if (pField == pExcludedField) { - if (pExcludedControl) { - if (pField->CountControls() < 2) { - continue; - } - } else { - continue; - } - } - CFX_WideString csFullName = pField->GetFullName(); - int iRet = CompareFieldName(csSub, csFullName); - if (iRet == 1) { - if (pField->GetFieldType() != iType) { - return FALSE; - } - } else if (iRet == 2 && csSub == csNewFieldName) { - if (csFullName[iPos] == L'.') { - return FALSE; - } - } else if (iRet == 3 && csSub == csNewFieldName) { - if (csNewFieldName[csFullName.GetLength()] == L'.') { - return FALSE; - } - } - } - if (iPos >= iLength) { - break; - } - } - if (csSub.IsEmpty()) { - return FALSE; - } - csNewFieldName = csSub; - return TRUE; -} -FX_BOOL CPDF_InterForm::ValidateFieldName(CFX_WideString& csNewFieldName, - int iType) { - return ValidateFieldName(csNewFieldName, iType, nullptr, nullptr); -} -FX_BOOL CPDF_InterForm::ValidateFieldName(const CPDF_FormField* pField, - CFX_WideString& csNewFieldName) { - return pField && !csNewFieldName.IsEmpty() && - ValidateFieldName(csNewFieldName, pField->GetFieldType(), pField, - nullptr); -} -FX_BOOL CPDF_InterForm::ValidateFieldName(const CPDF_FormControl* pControl, - CFX_WideString& csNewFieldName) { - if (!pControl || csNewFieldName.IsEmpty()) { - return FALSE; - } - CPDF_FormField* pField = pControl->GetField(); - return ValidateFieldName(csNewFieldName, pField->GetFieldType(), pField, - pControl); -} -int CPDF_InterForm::CompareFieldName(const CFX_ByteString& name1, - const CFX_ByteString& name2) { - if (name1.GetLength() == name2.GetLength()) { - return name1 == name2 ? 1 : 0; - } - const FX_CHAR* ptr1 = name1.c_str(); - const FX_CHAR* ptr2 = name2.c_str(); - int i = 0; - while (ptr1[i] == ptr2[i]) { - i++; - } - if (i == name1.GetLength()) { - return 2; - } - if (i == name2.GetLength()) { - return 3; - } - return 0; -} -int CPDF_InterForm::CompareFieldName(const CFX_WideString& name1, - const CFX_WideString& name2) { - const FX_WCHAR* ptr1 = name1.c_str(); - const FX_WCHAR* ptr2 = name2.c_str(); - if (name1.GetLength() == name2.GetLength()) { - return name1 == name2 ? 1 : 0; - } - int i = 0; - while (ptr1[i] == ptr2[i]) { - i++; - } - if (i == name1.GetLength()) { - return 2; - } - if (i == name2.GetLength()) { - return 3; - } - return 0; -} -uint32_t CPDF_InterForm::CountFields(const CFX_WideString& csFieldName) { - if (csFieldName.IsEmpty()) { - return (uint32_t)m_pFieldTree->m_Root.CountFields(); - } - CFieldTree::_Node* pNode = m_pFieldTree->FindNode(csFieldName); - return pNode ? pNode->CountFields() : 0; -} -CPDF_FormField* CPDF_InterForm::GetField(uint32_t index, - const CFX_WideString& csFieldName) { - if (csFieldName == L"") { - return m_pFieldTree->m_Root.GetField(index); - } - CFieldTree::_Node* pNode = m_pFieldTree->FindNode(csFieldName); - return pNode ? pNode->GetField(index) : nullptr; -} - -CPDF_FormField* CPDF_InterForm::GetFieldByDict( - CPDF_Dictionary* pFieldDict) const { - if (!pFieldDict) { - return nullptr; - } - CFX_WideString csWName = GetFullName(pFieldDict); - return m_pFieldTree->GetField(csWName); -} - -CPDF_FormControl* CPDF_InterForm::GetControlAtPoint(CPDF_Page* pPage, - FX_FLOAT pdf_x, - FX_FLOAT pdf_y, - int* z_order) const { - CPDF_Array* pAnnotList = pPage->m_pFormDict->GetArrayBy("Annots"); - if (!pAnnotList) - return nullptr; - - for (size_t i = pAnnotList->GetCount(); i > 0; --i) { - size_t annot_index = i - 1; - CPDF_Dictionary* pAnnot = pAnnotList->GetDictAt(annot_index); - if (!pAnnot) - continue; - - const auto it = m_ControlMap.find(pAnnot); - if (it == m_ControlMap.end()) - continue; - - CPDF_FormControl* pControl = it->second; - CFX_FloatRect rect = pControl->GetRect(); - if (!rect.Contains(pdf_x, pdf_y)) - continue; - - if (z_order) - *z_order = static_cast<int>(annot_index); - return pControl; - } - return nullptr; -} - -CPDF_FormControl* CPDF_InterForm::GetControlByDict( - const CPDF_Dictionary* pWidgetDict) const { - const auto it = m_ControlMap.find(pWidgetDict); - return it != m_ControlMap.end() ? it->second : nullptr; -} - -FX_BOOL CPDF_InterForm::NeedConstructAP() const { - return m_pFormDict && m_pFormDict->GetBooleanBy("NeedAppearances"); -} - -int CPDF_InterForm::CountFieldsInCalculationOrder() { - if (!m_pFormDict) - return 0; - - CPDF_Array* pArray = m_pFormDict->GetArrayBy("CO"); - return pArray ? pArray->GetCount() : 0; -} - -CPDF_FormField* CPDF_InterForm::GetFieldInCalculationOrder(int index) { - if (!m_pFormDict || index < 0) - return nullptr; - - CPDF_Array* pArray = m_pFormDict->GetArrayBy("CO"); - if (!pArray) - return nullptr; - - CPDF_Dictionary* pElement = ToDictionary(pArray->GetDirectObjectAt(index)); - return pElement ? GetFieldByDict(pElement) : nullptr; -} - -int CPDF_InterForm::FindFieldInCalculationOrder(const CPDF_FormField* pField) { - if (!m_pFormDict || !pField) - return -1; - - CPDF_Array* pArray = m_pFormDict->GetArrayBy("CO"); - if (!pArray) - return -1; - - for (size_t i = 0; i < pArray->GetCount(); i++) { - CPDF_Object* pElement = pArray->GetDirectObjectAt(i); - if (pElement == pField->m_pDict) { - return i; - } - } - return -1; -} - -uint32_t CPDF_InterForm::CountFormFonts() { - return CountInterFormFonts(m_pFormDict); -} - -CPDF_Font* CPDF_InterForm::GetFormFont(uint32_t index, - CFX_ByteString& csNameTag) { - return GetInterFormFont(m_pFormDict, m_pDocument, index, csNameTag); -} -CPDF_Font* CPDF_InterForm::GetFormFont(CFX_ByteString csNameTag) { - return GetInterFormFont(m_pFormDict, m_pDocument, csNameTag); -} -CPDF_Font* CPDF_InterForm::GetFormFont(CFX_ByteString csFontName, - CFX_ByteString& csNameTag) { - return GetInterFormFont(m_pFormDict, m_pDocument, csFontName, csNameTag); -} -CPDF_Font* CPDF_InterForm::GetNativeFormFont(uint8_t charSet, - CFX_ByteString& csNameTag) { - return GetNativeInterFormFont(m_pFormDict, m_pDocument, charSet, csNameTag); -} -CPDF_Font* CPDF_InterForm::GetNativeFormFont(CFX_ByteString& csNameTag) { - return GetNativeInterFormFont(m_pFormDict, m_pDocument, csNameTag); -} -FX_BOOL CPDF_InterForm::FindFormFont(const CPDF_Font* pFont, - CFX_ByteString& csNameTag) { - return FindInterFormFont(m_pFormDict, pFont, csNameTag); -} -FX_BOOL CPDF_InterForm::FindFormFont(CFX_ByteString csFontName, - CPDF_Font*& pFont, - CFX_ByteString& csNameTag) { - return FindInterFormFont(m_pFormDict, m_pDocument, csFontName, pFont, - csNameTag); -} -void CPDF_InterForm::AddFormFont(const CPDF_Font* pFont, - CFX_ByteString& csNameTag) { - AddInterFormFont(m_pFormDict, m_pDocument, pFont, csNameTag); -} - -CPDF_Font* CPDF_InterForm::AddNativeFormFont(uint8_t charSet, - CFX_ByteString& csNameTag) { - return AddNativeInterFormFont(m_pFormDict, m_pDocument, charSet, csNameTag); -} - -CPDF_Font* CPDF_InterForm::AddNativeFormFont(CFX_ByteString& csNameTag) { - return AddNativeInterFormFont(m_pFormDict, m_pDocument, csNameTag); -} - -void CPDF_InterForm::RemoveFormFont(const CPDF_Font* pFont) { - RemoveInterFormFont(m_pFormDict, pFont); -} - -void CPDF_InterForm::RemoveFormFont(CFX_ByteString csNameTag) { - RemoveInterFormFont(m_pFormDict, csNameTag); -} - -CPDF_DefaultAppearance CPDF_InterForm::GetDefaultAppearance() { - if (!m_pFormDict) - return CPDF_DefaultAppearance(); - return CPDF_DefaultAppearance(m_pFormDict->GetStringBy("DA")); -} - -CPDF_Font* CPDF_InterForm::GetDefaultFormFont() { - return GetDefaultInterFormFont(m_pFormDict, m_pDocument); -} -int CPDF_InterForm::GetFormAlignment() { - return m_pFormDict ? m_pFormDict->GetIntegerBy("Q", 0) : 0; -} - -bool CPDF_InterForm::ResetForm(const std::vector<CPDF_FormField*>& fields, - bool bIncludeOrExclude, - bool bNotify) { - if (bNotify && m_pFormNotify && m_pFormNotify->BeforeFormReset(this) < 0) - return false; - - int nCount = m_pFieldTree->m_Root.CountFields(); - for (int i = 0; i < nCount; ++i) { - CPDF_FormField* pField = m_pFieldTree->m_Root.GetField(i); - if (!pField) - continue; - - if (bIncludeOrExclude == pdfium::ContainsValue(fields, pField)) - pField->ResetField(bNotify); - } - if (bNotify && m_pFormNotify) - m_pFormNotify->AfterFormReset(this); - return true; -} - -bool CPDF_InterForm::ResetForm(bool bNotify) { - if (bNotify && m_pFormNotify && m_pFormNotify->BeforeFormReset(this) < 0) - return false; - - int nCount = m_pFieldTree->m_Root.CountFields(); - for (int i = 0; i < nCount; ++i) { - CPDF_FormField* pField = m_pFieldTree->m_Root.GetField(i); - if (!pField) - continue; - - pField->ResetField(bNotify); - } - if (bNotify && m_pFormNotify) - m_pFormNotify->AfterFormReset(this); - return true; -} - -void CPDF_InterForm::LoadField(CPDF_Dictionary* pFieldDict, int nLevel) { - if (nLevel > nMaxRecursion) { - return; - } - if (!pFieldDict) { - return; - } - uint32_t dwParentObjNum = pFieldDict->GetObjNum(); - CPDF_Array* pKids = pFieldDict->GetArrayBy("Kids"); - if (!pKids) { - AddTerminalField(pFieldDict); - return; - } - CPDF_Dictionary* pFirstKid = pKids->GetDictAt(0); - if (!pFirstKid) { - return; - } - if (pFirstKid->KeyExist("T") || pFirstKid->KeyExist("Kids")) { - for (size_t i = 0; i < pKids->GetCount(); i++) { - CPDF_Dictionary* pChildDict = pKids->GetDictAt(i); - if (pChildDict) { - if (pChildDict->GetObjNum() != dwParentObjNum) { - LoadField(pChildDict, nLevel + 1); - } - } - } - } else { - AddTerminalField(pFieldDict); - } -} -FX_BOOL CPDF_InterForm::HasXFAForm() const { - return m_pFormDict && m_pFormDict->GetArrayBy("XFA"); -} -void CPDF_InterForm::FixPageFields(const CPDF_Page* pPage) { - CPDF_Dictionary* pPageDict = pPage->m_pFormDict; - if (!pPageDict) { - return; - } - CPDF_Array* pAnnots = pPageDict->GetArrayBy("Annots"); - if (!pAnnots) { - return; - } - for (size_t i = 0; i < pAnnots->GetCount(); i++) { - CPDF_Dictionary* pAnnot = pAnnots->GetDictAt(i); - if (pAnnot && pAnnot->GetStringBy("Subtype") == "Widget") { - LoadField(pAnnot); - } - } -} -CPDF_FormField* CPDF_InterForm::AddTerminalField(CPDF_Dictionary* pFieldDict) { - if (!pFieldDict->KeyExist("T")) { - return nullptr; - } - CPDF_Dictionary* pDict = pFieldDict; - CFX_WideString csWName = GetFullName(pFieldDict); - if (csWName.IsEmpty()) { - return nullptr; - } - CPDF_FormField* pField = nullptr; - pField = m_pFieldTree->GetField(csWName); - if (!pField) { - CPDF_Dictionary* pParent = pFieldDict; - if (!pFieldDict->KeyExist("T") && - pFieldDict->GetStringBy("Subtype") == "Widget") { - pParent = pFieldDict->GetDictBy("Parent"); - if (!pParent) { - pParent = pFieldDict; - } - } - if (pParent && pParent != pFieldDict && !pParent->KeyExist("FT")) { - if (pFieldDict->KeyExist("FT")) { - CPDF_Object* pFTValue = pFieldDict->GetDirectObjectBy("FT"); - if (pFTValue) { - pParent->SetAt("FT", pFTValue->Clone()); - } - } - if (pFieldDict->KeyExist("Ff")) { - CPDF_Object* pFfValue = pFieldDict->GetDirectObjectBy("Ff"); - if (pFfValue) { - pParent->SetAt("Ff", pFfValue->Clone()); - } - } - } - pField = new CPDF_FormField(this, pParent); - CPDF_Object* pTObj = pDict->GetObjectBy("T"); - if (ToReference(pTObj)) { - CPDF_Object* pClone = pTObj->Clone(TRUE); - if (pClone) - pDict->SetAt("T", pClone); - else - pDict->SetAtName("T", ""); - } - m_pFieldTree->SetField(csWName, pField); - } - CPDF_Array* pKids = pFieldDict->GetArrayBy("Kids"); - if (!pKids) { - if (pFieldDict->GetStringBy("Subtype") == "Widget") { - AddControl(pField, pFieldDict); - } - } else { - for (size_t i = 0; i < pKids->GetCount(); i++) { - CPDF_Dictionary* pKid = pKids->GetDictAt(i); - if (!pKid) { - continue; - } - if (pKid->GetStringBy("Subtype") != "Widget") { - continue; - } - AddControl(pField, pKid); - } - } - return pField; -} -CPDF_FormControl* CPDF_InterForm::AddControl(CPDF_FormField* pField, - CPDF_Dictionary* pWidgetDict) { - const auto it = m_ControlMap.find(pWidgetDict); - if (it != m_ControlMap.end()) - return it->second; - - CPDF_FormControl* pControl = new CPDF_FormControl(pField, pWidgetDict); - m_ControlMap[pWidgetDict] = pControl; - pField->m_ControlList.Add(pControl); - return pControl; -} - -CPDF_FormField* CPDF_InterForm::CheckRequiredFields( - const std::vector<CPDF_FormField*>* fields, - bool bIncludeOrExclude) const { - int nCount = m_pFieldTree->m_Root.CountFields(); - for (int i = 0; i < nCount; ++i) { - CPDF_FormField* pField = m_pFieldTree->m_Root.GetField(i); - if (!pField) - continue; - - int32_t iType = pField->GetType(); - if (iType == CPDF_FormField::PushButton || - iType == CPDF_FormField::CheckBox || iType == CPDF_FormField::ListBox) { - continue; - } - uint32_t dwFlags = pField->GetFieldFlags(); - // TODO(thestig): Look up these magic numbers and add constants for them. - if (dwFlags & 0x04) - continue; - - bool bFind = true; - if (fields) - bFind = pdfium::ContainsValue(*fields, pField); - if (bIncludeOrExclude == bFind) { - CPDF_Dictionary* pFieldDict = pField->m_pDict; - if ((dwFlags & 0x02) != 0 && pFieldDict->GetStringBy("V").IsEmpty()) { - return pField; - } - } - } - return nullptr; -} - -CFDF_Document* CPDF_InterForm::ExportToFDF(const CFX_WideStringC& pdf_path, - bool bSimpleFileSpec) const { - std::vector<CPDF_FormField*> fields; - int nCount = m_pFieldTree->m_Root.CountFields(); - for (int i = 0; i < nCount; ++i) - fields.push_back(m_pFieldTree->m_Root.GetField(i)); - return ExportToFDF(pdf_path, fields, true, bSimpleFileSpec); -} - -CFDF_Document* CPDF_InterForm::ExportToFDF( - const CFX_WideStringC& pdf_path, - const std::vector<CPDF_FormField*>& fields, - bool bIncludeOrExclude, - bool bSimpleFileSpec) const { - CFDF_Document* pDoc = CFDF_Document::CreateNewDoc(); - if (!pDoc) { - return nullptr; - } - CPDF_Dictionary* pMainDict = pDoc->GetRoot()->GetDictBy("FDF"); - if (!pdf_path.IsEmpty()) { - if (bSimpleFileSpec) { - CFX_WideString wsFilePath = CPDF_FileSpec::EncodeFileName(pdf_path); - pMainDict->SetAtString("F", CFX_ByteString::FromUnicode(wsFilePath)); - pMainDict->SetAtString("UF", PDF_EncodeText(wsFilePath)); - } else { - CPDF_FileSpec filespec; - filespec.SetFileName(pdf_path); - pMainDict->SetAt("F", filespec.GetObj()); - } - } - CPDF_Array* pFields = new CPDF_Array; - pMainDict->SetAt("Fields", pFields); - int nCount = m_pFieldTree->m_Root.CountFields(); - for (int i = 0; i < nCount; i++) { - CPDF_FormField* pField = m_pFieldTree->m_Root.GetField(i); - if (!pField || pField->GetType() == CPDF_FormField::PushButton) { - continue; - } - uint32_t dwFlags = pField->GetFieldFlags(); - if (dwFlags & 0x04) - continue; - - if (bIncludeOrExclude == pdfium::ContainsValue(fields, pField)) { - if ((dwFlags & 0x02) != 0 && pField->m_pDict->GetStringBy("V").IsEmpty()) - continue; - - CFX_WideString fullname = GetFullName(pField->GetFieldDict()); - CPDF_Dictionary* pFieldDict = new CPDF_Dictionary; - pFieldDict->SetAt("T", new CPDF_String(fullname)); - if (pField->GetType() == CPDF_FormField::CheckBox || - pField->GetType() == CPDF_FormField::RadioButton) { - CFX_WideString csExport = pField->GetCheckValue(FALSE); - CFX_ByteString csBExport = PDF_EncodeText(csExport); - CPDF_Object* pOpt = FPDF_GetFieldAttr(pField->m_pDict, "Opt"); - if (pOpt) - pFieldDict->SetAtString("V", csBExport); - else - pFieldDict->SetAtName("V", csBExport); - } else { - CPDF_Object* pV = FPDF_GetFieldAttr(pField->m_pDict, "V"); - if (pV) - pFieldDict->SetAt("V", pV->Clone(TRUE)); - } - pFields->Add(pFieldDict); - } - } - return pDoc; -} - -void CPDF_InterForm::FDF_ImportField(CPDF_Dictionary* pFieldDict, - const CFX_WideString& parent_name, - FX_BOOL bNotify, - int nLevel) { - CFX_WideString name; - if (!parent_name.IsEmpty()) { - name = parent_name + L"."; - } - name += pFieldDict->GetUnicodeTextBy("T"); - CPDF_Array* pKids = pFieldDict->GetArrayBy("Kids"); - if (pKids) { - for (size_t i = 0; i < pKids->GetCount(); i++) { - CPDF_Dictionary* pKid = pKids->GetDictAt(i); - if (!pKid) { - continue; - } - if (nLevel <= nMaxRecursion) { - FDF_ImportField(pKid, name, bNotify, nLevel + 1); - } - } - return; - } - if (!pFieldDict->KeyExist("V")) { - return; - } - CPDF_FormField* pField = m_pFieldTree->GetField(name); - if (!pField) { - return; - } - CFX_WideString csWValue = - FPDFDOC_FDF_GetFieldValue(*pFieldDict, m_bsEncoding); - int iType = pField->GetFieldType(); - if (bNotify && m_pFormNotify) { - int iRet = 0; - if (iType == FIELDTYPE_LISTBOX) { - iRet = m_pFormNotify->BeforeSelectionChange(pField, csWValue); - } else if (iType == FIELDTYPE_COMBOBOX || iType == FIELDTYPE_TEXTFIELD) { - iRet = m_pFormNotify->BeforeValueChange(pField, csWValue); - } - if (iRet < 0) { - return; - } - } - pField->SetValue(csWValue); - CPDF_FormField::Type eType = pField->GetType(); - if ((eType == CPDF_FormField::ListBox || eType == CPDF_FormField::ComboBox) && - pFieldDict->KeyExist("Opt")) { - pField->m_pDict->SetAt("Opt", - pFieldDict->GetDirectObjectBy("Opt")->Clone(TRUE)); - } - if (bNotify && m_pFormNotify) { - if (iType == FIELDTYPE_CHECKBOX || iType == FIELDTYPE_RADIOBUTTON) { - m_pFormNotify->AfterCheckedStatusChange(pField); - } else if (iType == FIELDTYPE_LISTBOX) { - m_pFormNotify->AfterSelectionChange(pField); - } else if (iType == FIELDTYPE_COMBOBOX || iType == FIELDTYPE_TEXTFIELD) { - m_pFormNotify->AfterValueChange(pField); - } - } -} - -FX_BOOL CPDF_InterForm::ImportFromFDF(const CFDF_Document* pFDF, - FX_BOOL bNotify) { - if (!pFDF) - return FALSE; - - CPDF_Dictionary* pMainDict = pFDF->GetRoot()->GetDictBy("FDF"); - if (!pMainDict) - return FALSE; - - CPDF_Array* pFields = pMainDict->GetArrayBy("Fields"); - if (!pFields) - return FALSE; - - m_bsEncoding = pMainDict->GetStringBy("Encoding"); - if (bNotify && m_pFormNotify && m_pFormNotify->BeforeFormImportData(this) < 0) - return FALSE; - - for (size_t i = 0; i < pFields->GetCount(); i++) { - CPDF_Dictionary* pField = pFields->GetDictAt(i); - if (!pField) - continue; - - FDF_ImportField(pField, L"", bNotify); - } - if (bNotify && m_pFormNotify) - m_pFormNotify->AfterFormImportData(this); - return TRUE; -} - -void CPDF_InterForm::SetFormNotify(IPDF_FormNotify* pNotify) { - m_pFormNotify = pNotify; -} |