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Unified Diff: core/fpdfdoc/doc_form.cpp

Issue 2190983002: Splitting fpdfdoc/doc_* part III. (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@fpdf_doc_IV
Patch Set: Rebase to master Created 4 years, 5 months ago
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Index: core/fpdfdoc/doc_form.cpp
diff --git a/core/fpdfdoc/doc_form.cpp b/core/fpdfdoc/doc_form.cpp
deleted file mode 100644
index 3dde448a240891f7fdd4899224259306d6e6f1f8..0000000000000000000000000000000000000000
--- 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;
-}
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